1
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Lee GR, Lee EJ, Shin HS, Kim J, Kim I, Hong SC. Preparation of Non-Isocyanate Polyurethanes from Mixed Cyclic-Carbonated Compounds: Soybean Oil and CO 2-Based Poly(ether carbonate). Polymers (Basel) 2024; 16:1171. [PMID: 38675090 PMCID: PMC11053720 DOI: 10.3390/polym16081171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/09/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
This study presents the synthesis and characterization of non-isocyanate polyurethanes (NIPU) derived from the copolymerization of cyclic-carbonated soybean oil (CSBO) and cyclic carbonate (CC)-terminated poly(ether carbonate) (RCC). Using a double-metal cyanide catalyst, poly(ether carbonate) polyol was first synthesized through the copolymerization of carbon dioxide and propylene oxide. The terminal hydroxyl group was then subjected to a substitution reaction with a five-membered CC group using glycerol-1,2-carbonate and oxalyl chloride, yielding RCC. Attempts to prepare NIPU solely using RCC and diamine were unsuccessful, possibly due to the low CC functionality and the aminolysis of RCC's linear carbonate repeating units. However, when combined with CSBO, solid NIPUs were successfully obtained, exhibiting good thermal stability along with enhanced mechanical properties compared to conventional CSBO-based NIPU formulations. Overall, this study underscores the potential of leveraging renewable resources and carbon capture technologies to develop sustainable NIPUs with tailored properties, thereby expanding their range of applications.
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Affiliation(s)
- Ga Ram Lee
- HMC, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209 Neungdong-ro, Seoul 05006, Republic of Korea; (G.R.L.); (E.J.L.)
| | - Eun Jong Lee
- HMC, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209 Neungdong-ro, Seoul 05006, Republic of Korea; (G.R.L.); (E.J.L.)
| | - Hye Sun Shin
- Industrial Gas Research TF Team, Particulate Matter Research Center, Research Institute of Industrial Science & Technology (RIST), 187-12 Geumho-ro, Gwangyang-si 57801, Republic of Korea; (H.S.S.); (J.K.)
| | - Joonwoo Kim
- Industrial Gas Research TF Team, Particulate Matter Research Center, Research Institute of Industrial Science & Technology (RIST), 187-12 Geumho-ro, Gwangyang-si 57801, Republic of Korea; (H.S.S.); (J.K.)
| | - Il Kim
- Department of Polymer Science and Engineering, Pusan National University, Busan 46241, Republic of Korea;
| | - Sung Chul Hong
- HMC, Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209 Neungdong-ro, Seoul 05006, Republic of Korea; (G.R.L.); (E.J.L.)
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2
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Ahmadi M, Ehrmann K, Koch T, Liska R, Stampfl J. From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing. Chem Rev 2024; 124:3978-4020. [PMID: 38546847 PMCID: PMC11009961 DOI: 10.1021/acs.chemrev.3c00570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 01/10/2024] [Accepted: 01/23/2024] [Indexed: 04/11/2024]
Abstract
Photopolymers have been optimized as protective and decorative coating materials for decades. However, with the rise of additive manufacturing technologies, vat photopolymerization has unlocked the use of photopolymers for three-dimensional objects with new material requirements. Thus, the originally highly cross-linked, amorphous architecture of photopolymers cannot match the expectations for modern materials anymore, revealing the largely unanswered question of how diverse properties can be achieved in photopolymers. Herein, we review how microstructural features in soft matter materials should be designed and implemented to obtain high performance materials. We then translate these findings into chemical design suggestions for enhanced printable photopolymers. Based on this analysis, we have found microstructural heterogenization to be the most powerful tool to tune photopolymer performance. By combining the chemical toolbox for photopolymerization and the analytical toolbox for microstructural characterization, we examine current strategies for physical heterogenization (fillers, inkjet printing) and chemical heterogenization (semicrystalline polymers, block copolymers, interpenetrating networks, photopolymerization induced phase separation) of photopolymers and put them into a material scientific context to develop a roadmap for improving and diversifying photopolymers' performance.
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Affiliation(s)
- Mojtaba Ahmadi
- Institute
of Materials Science and Technology, Technische
Universität Wien, Getreidemarkt 9BE, 1060 Vienna, Austria
| | - Katharina Ehrmann
- Institute
of Applied Synthetic Chemistry, Technische
Universität Wien, Getreidemarkt 9/163, 1060 Vienna, Austria
| | - Thomas Koch
- Institute
of Materials Science and Technology, Technische
Universität Wien, Getreidemarkt 9BE, 1060 Vienna, Austria
| | - Robert Liska
- Institute
of Applied Synthetic Chemistry, Technische
Universität Wien, Getreidemarkt 9/163, 1060 Vienna, Austria
| | - Jürgen Stampfl
- Institute
of Materials Science and Technology, Technische
Universität Wien, Getreidemarkt 9BE, 1060 Vienna, Austria
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3
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Paez-Amieva Y, Martín-Martínez JM. Dynamic Non-Covalent Exchange Intrinsic Self-Healing at 20 °C Mechanism of Polyurethane Induced by Interactions among Polycarbonate Soft Segments. Polymers (Basel) 2024; 16:924. [PMID: 38611182 PMCID: PMC11013852 DOI: 10.3390/polym16070924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/13/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Two polyurethanes (PUs) were similarly synthesized by reacting a cycloaliphatic isocyanate with 1,4-butanediol and two polyols of different nature (polyester, polycarbonate diol) with molecular weights of 1000 Da. Only the PU synthesized with polycarbonate diol polyol (YCD) showed intrinsic self-healing at 20 °C. For assessing the mechanism of intrinsic self-healing of YCD, a structural characterization by molecular weights determination, infrared and X-ray photoelectronic spectroscopies, differential scanning calorimetry, X-ray diffraction, thermal gravimetric analysis, and dynamic mechanical thermal analysis was carried out. The experimental evidence concluded that the self-healing at 20 °C of YCD was due to dynamic non-covalent exchange interactions among the polycarbonate soft segments. Therefore, the chemical nature of the polyol played a key role in developing PUs with intrinsic self-healing at 20 °C.
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4
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Sintas JI, Bean RH, Zhang R, Long TE. Nonisocyanate Polyurethane Segmented Copolymers from Bis-Carbonylimidazolides. Macromol Rapid Commun 2024:e2400057. [PMID: 38471478 DOI: 10.1002/marc.202400057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/22/2024] [Indexed: 03/14/2024]
Abstract
Bis-carbonylimidazolide (BCI) functionalization enables an efficient synthetic strategy to generate high molecular weight segmented nonisocyanate polyurethanes (NIPUs). Melt phase polymerization of ED-2003 Jeffamine, 4,4'-methylenebis(cyclohexylamine), and a BCI monomer that mimics a 1,4-butanediol chain extender enables polyether NIPUs that contain varying concentrations of hard segments ranging from 40 to 80 wt. %. Dynamic mechanical analysis and differential scanning calorimetry reveal thermal transitions for soft, hard, and mixed phases. Hard segment incorporations between 40 and 60 wt. % display up to three distinct phases pertaining to the poly(ethylene glycol) (PEG) soft segment Tg , melting transition, and hard segment Tg , while higher hard segment concentrations prohibit soft segment crystallization, presumably due to restricted molecular mobility from the hard segment. Atomic force microscopy allows for visualization and size determination of nanophase-separated regimes, revealing a nanoscale rod-like assembly of HS. Small-angle X-ray scattering confirms nanophase separation within the NIPU, characterizing both nanoscale amorphous domains and varying degrees of crystallinity. These NIPUs, which are synthesized with BCI monomers, display expected phase separation that is comparable to isocyanate-derived analogues. This work demonstrates nanophase separation in BCI-derived NIPUs and the feasibility of this nonisocyanate synthetic pathway for the preparation of segmented PU copolymers.
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Affiliation(s)
- Jose I Sintas
- School of Molecular Sciences & Biodesign Center for Sustainable Macromolecular Materials and Manufacturing (SM3), Arizona State University, Tempe, AZ, 85287, USA
| | - Ren H Bean
- School of Molecular Sciences & Biodesign Center for Sustainable Macromolecular Materials and Manufacturing (SM3), Arizona State University, Tempe, AZ, 85287, USA
| | - Rui Zhang
- Eyring Materials Center, Arizona State University, Tempe, AZ, 85287, USA
| | - Timothy E Long
- School of Molecular Sciences & Biodesign Center for Sustainable Macromolecular Materials and Manufacturing (SM3), Arizona State University, Tempe, AZ, 85287, USA
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5
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Liu B, Li H, Meng F, Xu Z, Hao L, Yao Y, Zhu H, Wang C, Wu J, Bian S, Lu WW, Liu W, Pan H, Zhao X. 4D printed hydrogel scaffold with swelling-stiffening properties and programmable deformation for minimally invasive implantation. Nat Commun 2024; 15:1587. [PMID: 38383668 PMCID: PMC10881973 DOI: 10.1038/s41467-024-45938-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 02/08/2024] [Indexed: 02/23/2024] Open
Abstract
The power of three-dimensional printing in designing personalized scaffolds with precise dimensions and properties is well-known. However, minimally invasive implantation of complex scaffolds is still challenging. Here, we develop amphiphilic dynamic thermoset polyurethanes catering for multi-material four-dimensional printing to fabricate supportive scaffolds with body temperature-triggered shape memory and water-triggered programmable deformation. Shape memory effect enables the two-dimensional printed pattern to be fixed into temporary one-dimensional shape, facilitating transcatheter delivery. Upon implantation, the body temperature triggers shape recovery of the one-dimensional shape to its original two-dimensional pattern. After swelling, the hydrated pattern undergoes programmable morphing into the desired three-dimensional structure because of swelling mismatch. The structure exhibits unusual soft-to-stiff transition due to the water-driven microphase separation formed between hydrophilic and hydrophobic chain segments. The integration of shape memory, programmable deformability, and swelling-stiffening properties makes the developed dynamic thermoset polyurethanes promising supportive void-filling scaffold materials for minimally invasive implantation.
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Affiliation(s)
- Bo Liu
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Center for Health Science and Engineering, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin, 300131, China
| | - Hui Li
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Fengzhen Meng
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Ziyang Xu
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin, 300350, China
| | - Liuzhi Hao
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuan Yao
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin, 300350, China
| | - Hao Zhu
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Chenmin Wang
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Jun Wu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 518048, China
| | - Shaoquan Bian
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Willima W Lu
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, 999077, China
| | - Wenguang Liu
- School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin, 300350, China.
| | - Haobo Pan
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
| | - Xiaoli Zhao
- Research Center for Human Tissue and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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6
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Ramezani M, Getya D, Gitsov I, Monroe MBB. Solvent-free synthesis of biostable segmented polyurethane shape memory polymers for biomedical applications. J Mater Chem B 2024; 12:1217-1231. [PMID: 38168979 DOI: 10.1039/d3tb02472e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Biostable shape memory polymers that remain stable in physiological conditions are beneficial for user-defined shape recovery in response to a specific stimulus. For potential commercialization and biocompatibility considerations, biomaterial synthesis must be simple and scalable. Hence, a library of biostable and cytocompatible shape memory polymers with tunable thermomechanical properties based on hard segment content was synthesized using a solvent-free method. Polymer surface chemistry, thermomechanical and shape memory properties, and biostability were assessed. We also investigated the effects of processing methods on thermomechanical and shape memory properties. All polymers showed high glass transition temperatures (>50 °C), which indicates that their temporary shape could be preserved after implantation. Polymers also demonstrate high shape fixity (73-80%) and shape recovery (93-95%). Minimal mass loss (<5%) was observed in accelerated oxidative (20% H2O2) and hydrolytic (0.1 M NaOH) media. Additionally, minimal shape recovery (∼0%) occurred in programmed samples with higher hard segment content that were stored in degradation media. After 40 days of storage in media, programmed samples recovered their primary shapes upon heating to temperatures above their transition temperature. Annealing to above the polymer melting point and solvent casting of polymers improved shape memory and thermal properties. To enable their potential use as biomaterial scaffolds, fiber formation of synthesized polyurethanes was compared with those of samples synthesized using a previously reported solvent-based method. The new method provided polymers that can form fibrous scaffolds with improved mechanical and shape memory properties, which is attributed to the higher molecular weight and crystalline content of polymers synthesized using the new, solvent-free approach. These biostable segmented polyurethanes could be coupled with a range of components that respond to specific stimuli, such as enzymes, magnetic field, pH, or light, to enable a specific shape change response, which could be coupled with drug and/or bioactive material delivery in future work.
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Affiliation(s)
- Maryam Ramezani
- Department of Biomedical and Chemical Engineering, BioInspired Syracuse, Syracuse University, Syracuse, NY, USA.
| | - Dariya Getya
- Department of Chemistry, State University of New York ESF, Syracuse, NY, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY, USA
| | - Ivan Gitsov
- Department of Biomedical and Chemical Engineering, BioInspired Syracuse, Syracuse University, Syracuse, NY, USA.
- Department of Chemistry, State University of New York ESF, Syracuse, NY, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY, USA
| | - Mary Beth Browning Monroe
- Department of Biomedical and Chemical Engineering, BioInspired Syracuse, Syracuse University, Syracuse, NY, USA.
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7
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Omisol CM, Aguinid BJM, Abilay GY, Asequia DM, Tomon TR, Sabulbero KX, Erjeno DJ, Osorio CK, Usop S, Malaluan R, Dumancas G, Resurreccion EP, Lubguban A, Apostol G, Siy H, Alguno AC, Lubguban A. Flexible Polyurethane Foams Modified with Novel Coconut Monoglycerides-Based Polyester Polyols. ACS OMEGA 2024; 9:4497-4512. [PMID: 38313545 PMCID: PMC10831968 DOI: 10.1021/acsomega.3c07312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/01/2023] [Accepted: 12/14/2023] [Indexed: 02/06/2024]
Abstract
Coconut oil, a low-molecular-weight vegetable oil, is virtually unutilized as a polyol material for flexible polyurethane foam (FPUF) production due to the high-molecular-weight polyol requirement of FPUFs. The saturated chemistry of coconut oil also limits its compatibility with widely used polyol-forming processes, which mostly rely on the unsaturation of vegetable oil for functionalization. Existing studies have only exploited this resource in producing low-molecular-weight polyols for rigid foam synthesis. In this present work, high-molecular-weight polyester polyols were synthesized from coconut monoglycerides (CMG), a coproduct of fatty acid production from coconut oil, via polycondensation at different mass ratios of CMG with 1:5 glycerol:phthalic anhydride. Characterization of the CMG-based polyol (CMGPOL) products showed number-average molecular weights between 1997 and 4275 g/mol, OH numbers between 77 and 142 mg KOH/g, average functionality between 4.8 and 5.8, acid numbers between 4.49 and 23.56 mg KOH/g, and viscosities between 1.27 and 89.57 Pa·s. The polyols were used to synthesize the CMGPOL-modified PU foams (CPFs) at 20 wt % loading. The modification of the foam formulation increased the monodentate and bidentate urea groups, shown using Fourier transform infrared (FTIR) spectroscopy, that promoted microphase separation in the foam matrix, confirmed using atomic force microscopy (AFM) and differential scanning calorimetry (DSC). The implications of the structural change to foam morphology and open cell content were investigated using a scanning electron microscope (SEM) and gas pycnometer. The density of the CPFs decreased, while a significant improvement in their tensile and compressive properties was observed. Also, the CPFs exhibited different resiliency with a correlation to microphase separation. These findings offer a new sustainable polyol raw material that can be used to modify petroleum-based foam and produce flexible foams with varying properties that can be tailored to meet specific requirements.
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Affiliation(s)
- Christine
Joy M. Omisol
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Blessy Joy M. Aguinid
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Gerson Y. Abilay
- Graduate
Program of Materials Science and Engineering, Department of Material
Resources Engineering and Technology, MSU-Iligan
Institute of Technology, Iligan
City 9200, Philippines
| | - Dan Michael Asequia
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Tomas Ralph Tomon
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Karyl Xyrra Sabulbero
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Daisy Jane Erjeno
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Carlo Kurt Osorio
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Shashwa Usop
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
| | - Roberto Malaluan
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
- Department
of Chemical Engineering and Technology, MSU-Iligan Institute of Technology, Iligan City 9200, Philippines
| | - Gerard Dumancas
- Department
of Chemistry, The University of Scranton, Scranton, Pennsylvania 18510, United States
| | | | - Alona Lubguban
- Department
of Mathematics, Statistics, and Computer Studies, University of the Philippines Rural High School, Paciano Rizal, Bay, Laguna 4033, Philippines
| | - Glenn Apostol
- Chemrez
Technologies, Inc., Quezon City 1110, Philippines
| | - Henry Siy
- Chemrez
Technologies, Inc., Quezon City 1110, Philippines
| | - Arnold C. Alguno
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
- Department
of Physics, MSU-Iligan Institute of Technology, Iligan City 9200, Philippines
| | - Arnold Lubguban
- Center
for Sustainable Polymers, MSU-Iligan Institute
of Technology, Iligan
City 9200, Philippines
- Graduate
Program of Materials Science and Engineering, Department of Material
Resources Engineering and Technology, MSU-Iligan
Institute of Technology, Iligan
City 9200, Philippines
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8
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Paez-Amieva Y, Martín-Martínez JM. Understanding the Interactions between Soft Segments in Polyurethanes: Structural Synergies in Blends of Polyester and Polycarbonate Diol Polyols. Polymers (Basel) 2023; 15:4494. [PMID: 38231940 PMCID: PMC10708524 DOI: 10.3390/polym15234494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 01/19/2024] Open
Abstract
There are no previous studies on the interactions between polyols of different nature as a model for understanding the interactions between soft segments in PUs. In this study, different blends of two polyols of different natures (polyester-PE, and polycarbonate diol-CD) and similar molecular weights were prepared and their structural, thermal, surface, viscoelastic, and self-adhesion properties were assessed. Different experimental techniques were used: infrared spectroscopy (ATR-IR), differential scanning calorimetry (DSC), X-ray diffraction, thermal gravimetric analysis (TGA), and plate-plate rheology. PE showed a larger number of structural repeating units and a higher number of polar groups than CD, but the carbonate-carbonate interactions in CD were stronger than the ester-ester interactions in PE. The blending of CD and PE imparted synergic structural properties, particularly in the blends containing less than 50 wt.% PE, they were associated with the disrupt of the carbonate-carbonate interactions in CD and the formation of new ester-carbonate and hydroxyl-carbonate interactions. CD + PE blends with less than 50 wt.% PE exhibited higher glass transition temperatures, a new diffraction peak at 2θ = 24°, one additional thermal degradation at 426-436 °C, and a less-steep decline of the storage moduli. Furthermore, the different interactions between the polyol chains in the blends were also evidenced on their surface properties, and all CD + PE blends showed self-adhesion properties which seemed related to the existence of ester-carbonate and carbonate-carbonate interactions.
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9
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Raman RK, Ganesan S, Alagumalai A, Sudhakaran Menon V, Gurusamy Thangavelu SA, Krishnamoorthy A. Rational Design, Synthesis, and Structure-Property Relationship Studies of a Library of Thermoplastic Polyurethane Films as an Effective and Scalable Encapsulation Material for Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:53935-53950. [PMID: 37935023 DOI: 10.1021/acsami.3c12607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Hybrid organic-inorganic metal halide perovskite solar cell (PSC) technology is experiencing rapid growth due to its simple solution chemistry, high power conversion efficiency (PCE), and potential for low-cost mass production. Nevertheless, the primary obstacle preventing the upscaling and widespread outdoor deployment of PSC technology is the poor long-term device stability, which stems from the inherent instability of perovskite materials in the presence of oxygen and moisture. To address this issue, in this work, we have synthesized a series of thermoplastic polyurethanes (TPUs) through a rational design by utilizing polyols having different molecular weights and diverse isocyanates (aromatic and aliphatic). Thorough characterization of these TPUs (ASTM and ISO standards) along with structure-property relationship studies were carried out for the first time and were then used as the encapsulation material for PSCs. The prepared TPUs were robust and adhered well with the glass substrate, and the use of low temperature during the encapsulation process avoided the degradation of the perovskite absorber and other organic layers in the device stack. The encapsulated devices retained more than 93% of their initial power conversion efficiency (PCE) for over 1000 h after exposure to harsh environmental conditions such as high relative humidity (80 ± 5% RH). Furthermore, the encapsulated perovskite absorbers showed remarkable stability when they were soaked in water. This article demonstrates the potential of TPU as a suitable and easily scalable encapsulant for PSCs and pave the way for extending the lifetime and commercialization of PSCs.
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Affiliation(s)
- Rohith Kumar Raman
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Saraswathi Ganesan
- Organic and Perovskite Photovoltaics Laboratory (OPPV), Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Ananthan Alagumalai
- Organic and Perovskite Photovoltaics Laboratory (OPPV), Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Vidya Sudhakaran Menon
- Organic and Perovskite Photovoltaics Laboratory (OPPV), Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Senthil A Gurusamy Thangavelu
- Organic and Perovskite Photovoltaics Laboratory (OPPV), Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
| | - Ananthanarayanan Krishnamoorthy
- Organic and Perovskite Photovoltaics Laboratory (OPPV), Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603203, India
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10
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Ernzen JR, Covas JA, Marcos-Fernández A, Fiorio R, Bianchi O. Soybean-Based Polyol as a Substitute of Fossil-Based Polyol on the Synthesis of Thermoplastic Polyurethanes: The Effect of Its Content on Morphological and Physicochemical Properties. Polymers (Basel) 2023; 15:4010. [PMID: 37836059 PMCID: PMC10574837 DOI: 10.3390/polym15194010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
Thermoplastic polyurethanes (TPUs) are remarkably versatile polymers due to the wide range of raw materials available for their synthesis, resulting in physicochemical characteristics that can be tailored according to the specific requirements of their final applications. In this study, a renewable bio-based polyol obtained from soybean oil is used for the synthesis of TPU via reactive extrusion, and the influence of the bio-based polyol on the multi-phase structure and properties of the TPU is studied. As raw materials, 4,4'-diphenylmethane (MDI), 1,4-butanediol, a fossil-based polyester polyol, and a bio-based polyol are used. The fossil-based to soybean-based polyol ratios studied are 100/0, 99/1, 95/5, 90/10, 80/20, and 50/50% by weight, respectively. The TPUs were characterized by size exclusion chromatography (SEC), gel content analysis, Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), small-angle X-ray scattering (SAXS), dynamic mechanical analysis (DMA), and contact angle measurements. The results reveal that incorporating the renewable polyol enhances the compatibility between the rigid and flexible segments of the TPU. However, due to its high functionality, the addition of soybean-based polyol can promote cross-linking. This phenomenon reduces the density of hydrogen bonds within the material, also reducing polarity and restricting macromolecular mobility, as corroborated by higher glass transition temperature (Tg) values. Remarkably, the addition of small amounts of the bio-based polyol (up to 5 wt.% of the total polyol content) results in high-molecular-weight TPUs with lower polarity, combined with suitable processability and mechanical properties, thus broadening the range of applications and improving their sustainability.
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Affiliation(s)
- Juliano R. Ernzen
- Mantoflex Poliuretanos, Caxias do Sul 95045175, Brazil;
- PGMAT, Universidade de Caxias do Sul (UCS), Caxias do Sul 95070560, Brazil
| | - José A. Covas
- Department of Polymer Engineering, University of Minho, 4800-058 Guimarães, Portugal;
| | - Angel Marcos-Fernández
- Elastomers Group, Institute of Polymer Science and Technology (ICTP-CSIC), 28006 Madrid, Spain
- Interdisciplinary Platform for “Sustainable Plastics towards a Circular Economy” (SUSPLAST-CSIC), 28006 Madrid, Spain
| | - Rudinei Fiorio
- Department of Circular Chemical Engineering, Maastricht University, 6200 MD Geleen, The Netherlands;
| | - Otávio Bianchi
- PGMAT, Universidade de Caxias do Sul (UCS), Caxias do Sul 95070560, Brazil
- Department of Materials Engineering, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040040, Brazil
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11
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Chen P, Li F, Wang G, Ying B, Chen C, Tian Y, Chen M, Lee KJ, Ying WB, Zhu J. Toward Highly Matching the Dura Mater: A Polyurethane Integrating Biocompatible, Leak-Proof, and Self-Healing Properties. Macromol Biosci 2023; 23:e2300111. [PMID: 37222304 DOI: 10.1002/mabi.202300111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/05/2023] [Indexed: 05/25/2023]
Abstract
The dura mater is the final barrier against cerebrospinal fluid leakage and plays a crucial role in protecting and supporting the brain and spinal cord. Head trauma, tumor resection and other traumas damage it, requiring artificial dura mater for repair. However, surgical tears are often unavoidable. To address these issues, the ideal artificial dura mater should have biocompatibility, anti-leakage, and self-healing properties. Herein, this work has used biocompatible polycaprolactone diol as the soft segment and introduced dynamic disulfide bonds into the hard segment, achieving a multifunctional polyurethane (LSPU-2), which integrated the above mentioned properties required in surgery. In particular, LSPU-2 matches the mechanical properties of the dura mater and the biocompatibility tests with neuronal cells demonstrate extremely low cytotoxicity and do not cause any negative skin lesions. In addition, the anti-leakage properties of the LSPU-2 are confirmed by the water permeability tester and the 900 mm H2 O static pressure test with artificial cerebrospinal fluid. Due to the disulfide bond exchange and molecular chain mobility, LSPU-2 could be completely self-healed within 115 min at human body temperature. Thus, LSPU-2 comprises one of the most promising potential artificial dura materials, which is essential for the advancement of artificial dura mater and brain surgery.
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Affiliation(s)
- Pandi Chen
- Department of Neurosurgery, the Affiliated Lihuili Hospital of Ningbo University, Ningbo, 315040, P. R. China
| | - Fenglong Li
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Guyue Wang
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- Beijing Advanced Innovation Center for Materials Genome Engineering, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, P. R. China
| | - Binbin Ying
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139-4307, USA
| | - Chao Chen
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ying Tian
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Maosong Chen
- Department of Neurosurgery, the Affiliated Lihuili Hospital of Ningbo University, Ningbo, 315040, P. R. China
| | - Kyung Jin Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Yoo-Seong, 34134, Republic of Korea
| | - Wu Bin Ying
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Jin Zhu
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
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12
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Wang J, Wang M, Zhang X, Han Y, Wu Y, Wang D, Qin X, Lu Y, Zhang L. Quantification Characterization of Hierarchical Structure of Polyurethane by Advanced AFM and X-ray Techniques. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45388-45398. [PMID: 37705159 DOI: 10.1021/acsami.3c07860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Polyurethane (PU) with microphase separation has garnered significant attention due to its highly designable molecular structure and a wide range of adjustable properties. However, there is currently a lack of systematic approaches for quantifying PU's microphase separation. To address this research gap, we utilized an atomic force microscopy (AFM) nanomechanical mapping technique along with Gaussian fitting to recolor and quantitatively analyze the evolution of PU's microphase separation. By varying the ratios of the chain extender to cross-linking agent, we observed the changes in the hydrogen bonding between the soft and hard segments. As the ratio of the chain extender to cross-linking agent decreases, the strength of the hydrogen bonding weakens, resulting in a reduction in the quantity and phase percentage of hard segment (HS) domains. Consequently, the degree of microphase separation between the soft and hard segments decreases, leading to specific alterations in the material's mechanical properties and dynamic viscoelasticity. To further investigate the hierarchical structure of PU, we employed various techniques, such as X-ray analysis, transmission electron microscopy (TEM), and AFM-based infrared spectroscopy (AFM-IR). Our findings reveal a spherulite pattern composed of lamellae within the HS domains, with the cross-linking density gradually increasing from the center to the periphery. Overall, our comprehensive characterization of PU provides valuable insights into its hierarchical structure and establishes a quantitative framework to explore the intricate relationship between the structure and properties.
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Affiliation(s)
- Jiadong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Min Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Xi Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Yang Han
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Yingxue Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Dong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Xuan Qin
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Yonglai Lu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Liqun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
- Institute of Emergent Elastomers, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
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13
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Fei J, Rong Y, Zhu L, Li H, Zhang X, Lu Y, An J, Bao Q, Huang X. Progress in Photocurable 3D Printing of Photosensitive Polyurethane: A Review. Macromol Rapid Commun 2023; 44:e2300211. [PMID: 37294875 DOI: 10.1002/marc.202300211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/15/2023] [Indexed: 06/11/2023]
Abstract
In recent years, as a class of advanced additive manufacturing (AM) technology, photocurable 3D printing has gained increasing attention. Based on its outstanding printing efficiency and molding accuracy, it is employed in various fields, such as industrial manufacturing, biomedical, soft robotics, electronic sensors. Photocurable 3D printing is a molding technology based on the principle of area-selective curing of photopolymerization reaction. At present, the main printing material suitable for this technology is the photosensitive resin, a composite mixture consisting of a photosensitive prepolymer, reactive monomer, photoinitiator, and other additives. As the technique research deepens and its application gets more developed, the design of printing materials suitable for different applications is becoming the hotspot. Specifically, these materials not only can be photocured but also have excellent properties, such as elasticity, tear resistance, fatigue resistance. Photosensitive polyurethanes can endow photocured resin with desirable performance due to their unique molecular structure including the inherent alternating soft and hard segments, and microphase separation. For this reason, this review summarizes and comments on the research and application progress of photocurable 3D printing of photosensitive polyurethanes, analyzing the advantages and shortcomings of this technology, also offering an outlook on this rapid development direction.
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Affiliation(s)
- Jianhua Fei
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Youjie Rong
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Lisheng Zhu
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Huijie Li
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Xiaomin Zhang
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
| | - Ying Lu
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
- Shanxi Bethune Hospital, Shanxi Academy of Medical Science, Taiyuan, 030032, P. R. China
| | - Jian An
- Shanxi Coal Center Hospital, Taiyuan, 030006, P. R. China
- Department of Cardiology, Cardiovascular Hospital Affiliated to Shanxi Medical University, Taiyuan, 030001, P. R. China
| | - Qingbo Bao
- Shanxi Coal Center Hospital, Taiyuan, 030006, P. R. China
- Department of Cardiology, Cardiovascular Hospital Affiliated to Shanxi Medical University, Taiyuan, 030001, P. R. China
| | - Xiaobo Huang
- Key Laboratory of Medical Metal Materials of Shanxi Province, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, P. R. China
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14
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YILGÖR E, YILGÖR İ. Influence of soft segment structure, hydrogen bonding, and diisocyanate symmetry on morphology and properties of segmented thermoplastic polyurethanes and polyureas. Turk J Chem 2023; 47:1007-1017. [PMID: 38173740 PMCID: PMC10760815 DOI: 10.55730/1300-0527.3591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/31/2023] [Accepted: 06/22/2023] [Indexed: 01/05/2024] Open
Abstract
A comprehensive review of the structure-morphology-property relations in segmented thermoplastic polyurethanes and polyureas (TPU) is provided. Special emphasis is given to the influence of the soft segment structure, polarity, and molecular weight, diisocyanate symmetry and the nature, extent, and strength of hydrogen bonding on the morphology and thermal and mechanical properties of TPUs. Experimental results obtained on composition-dependent TPU morphology and properties by various techniques were also compared by the morphology profiles generated by computational methods such as quantum mechanical calculations and molecular dynamics simulations.
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Affiliation(s)
- Emel YILGÖR
- Chemistry Department, Koç University, İstanbul,
Turkiye
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15
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Grzęda D, Węgrzyk G, Nowak A, Idaszek J, Szczepkowski L, Ryszkowska J. Cytotoxic Properties of Polyurethane Foams for Biomedical Applications as a Function of Isocyanate Index. Polymers (Basel) 2023; 15:2754. [PMID: 37376400 DOI: 10.3390/polym15122754] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/04/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Polyurethane foams are widely used in biomedical applications due to their desirable mechanical properties and biocompatibility. However, the cytotoxicity of its raw materials can limit their use in certain applications. In this study, a group of open-cell polyurethane foams were investigated for their cytotoxic properties as a function of the isocyanate index, a critical parameter in the synthesis of polyurethanes. The foams were synthesized using a variety of isocyanate indices and characterized for their chemical structure and cytotoxicity. This study indicates that the isocyanate index highly influences the chemical structure of polyurethane foams, also causing changes in cytotoxicity. These findings have important implications for designing and using polyurethane foams as composite matrices in biomedical applications, as careful consideration of the isocyanate index is necessary to ensure biocompatibility.
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Affiliation(s)
- Dominik Grzęda
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland
| | - Grzegorz Węgrzyk
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland
| | - Adriana Nowak
- Department of Environmental Biotechnology, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland
| | - Joanna Idaszek
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland
| | | | - Joanna Ryszkowska
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warsaw, Poland
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16
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Yu L, Yu Z, Yang L, Wen S, Zhang ZX. Development of thermoplastic polyether ester elastomer microcellular foam with high resilience: Effect of chain extension on foaming behavior and mechanical properties. J Appl Polym Sci 2023. [DOI: 10.1002/app.53912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Leilei Yu
- Key Laboratory of Rubber–Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber–Plastics Qingdao University of Science and Technology 266042 Qingdao China
- State Key Laboratory of Marine Coatings Marine Chemical Research Institute Co. Ltd. 266100 Qingdao China
| | - Zhen Yu
- Key Laboratory of Rubber–Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber–Plastics Qingdao University of Science and Technology 266042 Qingdao China
| | - Lijuan Yang
- Key Laboratory of Rubber–Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber–Plastics Qingdao University of Science and Technology 266042 Qingdao China
| | - Shibao Wen
- Key Laboratory of Rubber–Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber–Plastics Qingdao University of Science and Technology 266042 Qingdao China
| | - Zhen Xiu Zhang
- Key Laboratory of Rubber–Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber–Plastics Qingdao University of Science and Technology 266042 Qingdao China
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17
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Palle I, Lodin V, Mohd Yunus AA, Lee SH, Md Tahir P, Hori N, Antov P, Takemura A. Effects of NCO/OH Ratios on Bio-Based Polyurethane Film Properties Made from Acacia mangium Liquefied Wood. Polymers (Basel) 2023; 15:polym15051154. [PMID: 36904395 PMCID: PMC10007325 DOI: 10.3390/polym15051154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023] Open
Abstract
The compatibility between isocyanate and polyol plays an important role in determining a polyurethane product's performance. This study aims to evaluate the effect of varying the ratios between polymeric methylene diphenyl diisocyanate (pMDI) and Acacia mangium liquefied wood polyol on the polyurethane film properties. A. mangium wood sawdust was liquefied in polyethylene glycol/glycerol co-solvent with H2SO4 as a catalyst at 150 °C for 150 min. The A. mangium liquefied wood was mixed with pMDI with difference NCO/OH ratios to produce film through the casting method. The effects of the NCO/OH ratios on the molecular structure of the PU film were examined. The formation of urethane, which was located at 1730 cm-1, was confirmed via FTIR spectroscopy. The TGA and DMA results indicated that high NCO/OH ratios increased the degradation temperature and glass transition from 275 °C to 286 °C and 50 °C to 84 °C, respectively. The prolonged heat appeared to boost the crosslinking density of the A. mangium polyurethane films, which finally resulted in a low sol fraction. From the 2D-COS analysis, the hydrogen-bonded carbonyl (1710 cm-1) had the most significant intensity changes with the increasing NCO/OH ratios. The occurrence of the peak after 1730 cm-1 revealed that there was substantial formation of urethane hydrogen bonding between the hard (PMDI) and soft (polyol) segments as the NCO/OH ratios increased, which gave higher rigidity to the film.
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Affiliation(s)
- Ismawati Palle
- Faculty of Tropical Forestry, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
- Correspondence: (I.P.); (A.T.)
| | - Valeritta Lodin
- Faculty of Tropical Forestry, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
| | - Ag Ahmad Mohd Yunus
- Faculty of Tropical Forestry, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu 88400, Sabah, Malaysia
| | - Seng Hua Lee
- Department of Wood Industry, Faculty of Applied Sciences, University Teknologi MARA (UiTM) Cawangan Pahang Kampus Jengka, Bandar Tun Razak 26400, Pahang, Malaysia
- Institute of Tropical Forestry and Forest Products, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Paridah Md Tahir
- Institute of Tropical Forestry and Forest Products, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Faculty of Forestry and Environment, University Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Naruhito Hori
- Laboratory of Adhesive Sciences and Bio-Composites, Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo 113-8657, Japan
| | - Petar Antov
- Faculty of Forest Industry, University of Forestry, 1797 Sofia, Bulgaria
| | - Akio Takemura
- Laboratory of Adhesive Sciences and Bio-Composites, Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo 113-8657, Japan
- Correspondence: (I.P.); (A.T.)
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18
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Cen L, Du B, Lv G. Improved covulcanization and dynamic properties of millable polyurethane elastomer/natural rubber blends: Thermal pretreatment. J Appl Polym Sci 2023. [DOI: 10.1002/app.53725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Affiliation(s)
- Lan Cen
- School of Materials and Energy Guangdong University of Technology Guangzhou China
| | - Binghua Du
- School of Materials and Energy Guangdong University of Technology Guangzhou China
| | - Guozheng Lv
- School of Materials and Energy Guangdong University of Technology Guangzhou China
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19
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Study on the Mechanical Properties and Energy Absorbing Capability of Polyurethane Microcellular Elastomers under Different Compressive Strain Rates. Polymers (Basel) 2023; 15:polym15030778. [PMID: 36772079 PMCID: PMC9920046 DOI: 10.3390/polym15030778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Polyurethane microcellular elastomers (PUME) are good at impact protection and energy absorption, and belong to rate sensitive- and strain history-dependent materials. In this study, PUME with different densities of 800 kg/m3, 600 kg/m3 and 400 kg/m3 were prepared, then the compressive responses of PUME in the strain rate range of 0.001 s-1 to 3400 s-1 were systemically investigated. By studying the energy absorption and efficiency diagram of PUME, the compressive properties of materials with different densities under compressive impact load were described, which showed that PUME with a density of 600 kg/m3 had better performance. A visco-hyperelasticity-air constitutive model was established to describe the large deformation response of PUME at high strain rates. The model included three components: hyperelastic part, viscoelastic part and gas pressure part. Quasi-static and dynamic compression tests were used to determine the constitutive relations of seven parameters. The samples with a density of 600 kg/m3 at different strain rates were fitted by MATLAB software, and the constitutive model parameters were obtained. The comparison between the constitutive equation and the experimental results showed that there was a good consistency. The constitutive model can provide data support for simulation analysis and application of PUME as energy absorbing protective facilities.
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20
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Tzelepis DA, Suzuki J, Su YF, Wang Y, Lim YC, Zayernouri M, Ginzburg VV. Experimental and modeling studies of
IPDI
‐based polyurea elastomers – The role of hard segment fraction. J Appl Polym Sci 2023. [DOI: 10.1002/app.53592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Demetrios A. Tzelepis
- Chemical Engineering and Materials Science Department Michigan State University East Lansing Michigan USA
- Materials Division US‐Army, Ground Vehicle System Center Warren Michigan USA
| | - Jorge Suzuki
- Department of Mechanical Engineering Michigan State University East Lansing Michigan USA
- Department of Simulation, Technology Center Division Microvast Power Solutions, Inc. Lake Mary Florida USA
| | - Yi Feng Su
- Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee USA
| | - Yiyu Wang
- Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee USA
| | - Yong Chae Lim
- Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee USA
| | - Mohsen Zayernouri
- Department of Mechanical Engineering Michigan State University East Lansing Michigan USA
- Department of Statistics and Probability Michigan State University East Lansing Michigan USA
| | - Valeriy V. Ginzburg
- Chemical Engineering and Materials Science Department Michigan State University East Lansing Michigan USA
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21
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Pu M, Zhou X, Liu X, Fang C, Wang D. A facile, alternative and sustainable feedstock for transparent polyurethane elastomers from chemical recycling waste PET in high-efficient way. WASTE MANAGEMENT (NEW YORK, N.Y.) 2023; 155:137-145. [PMID: 36370623 DOI: 10.1016/j.wasman.2022.10.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 10/14/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Polymers with excellent optical and mechanical performance fabricated from renewable resources, have been paid an increasing attention in recent years. Here, high-performing polyurethane elastomers with significant mechanical properties, crystallinity, excellent stretchability and good transparency are prepared by a synergistic molecular design in the soft and hard segments. Using the liquid glycolysis degradation product (LGOP) as a chain extender, polyurethane elastomer is synthesized from polyethylene terephthalate (PET) waste bottles. The results suggest that the degradation products from waste PET can be directly used as feedstock for preparing polyurethane elastomers with significant performance. The polyurethanes exhibited excellent optical transparency of near 90%, and can be stretched up to 670% without any treatment to return to original size. It is assumed that the symmetrical hard domain composed of aromatic rings and ester groups in LGOP creates sufficient chain fluidity for the dynamic exchange of hydrogen bonds and urethane. This paper has devoted to achieve a complete and mature system from waste PET to polyurethane products, to create a closed loop of waste PET plastic recycling and regeneration, and to realize the polyurethane industrial chain of raw material self-supply.
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Affiliation(s)
- Mengyuan Pu
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Xing Zhou
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, PR China; Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China.
| | - Xiaohui Liu
- Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi'an University of Technology, Xi'an 710048, PR China
| | - Changqing Fang
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Dong Wang
- School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, PR China
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22
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Xu Y, Hickey RJ. Templating Polymer/Chromophore Crystallization in a Gyroid Matrix. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yifan Xu
- Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States
| | - Robert J. Hickey
- Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania16802, United States
- Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania16802, United States
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23
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Structure-property relationship of thermoplastic polyurethane cationomers carrying quaternary ammonium groups. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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24
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Enhancing the Mechanical Properties of 3D-Printed Waterborne Polyurethane-Urea and Cellulose Nanocrystal Scaffolds through Crosslinking. Polymers (Basel) 2022; 14:polym14224999. [PMID: 36433126 PMCID: PMC9698531 DOI: 10.3390/polym14224999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022] Open
Abstract
In this work, shape-customized scaffolds based on waterborne polyurethane-urea (WBPUU) were prepared via the combination of direct ink writing 3D-printing and freeze-drying techniques. To improve the printing performance of the ink and guarantee a good shape fidelity of the scaffold, cellulose nanocrystals (CNC) were added during the synthesis of the WBPUU and some of the printed constructs were immersed in CaCl2 prior to the freeze-drying process to promote ionic crosslinking between calcium ions and the polyurethane. The results showed that apart from allowing the ink to be successfully printed, obtaining scaffolds with good shape fidelity, the addition of the CNC resulted in a greater homogeneity of the porous structure as well as an increase of the swelling capacity of the scaffolds. Additionally, the CNC has a reinforcement effect in the printed systems, presenting a higher compression modulus as the CNC content increases. In the case of samples crosslinked by calcium ions, a rigid shell was observed by scanning electron microscopy, which resulted in stiffer scaffolds that presented a lower water absorption capacity as well as an enhancement of the thermal stability. These results showed the potential of this type of post-printing process to tune the mechanical properties of the scaffold, thus widening the potential of this type of material.
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Kurapati R, Natarajan U. Role of Chemical Linkage in Solvation of Polyurethanes in Organic Solvents Studied by Explicit Molecular Dynamics Simulations. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Raviteja Kurapati
- Macromolecular Modeling and Simulation Laboratory, Department of Chemical Engineering, Indian Institute of Technology (IIT) Madras, Chennai600036, India
| | - Upendra Natarajan
- Macromolecular Modeling and Simulation Laboratory, Department of Chemical Engineering, Indian Institute of Technology (IIT) Madras, Chennai600036, India
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Lu RQ, Concellón A, Wang P, Swager TM, Hsieh AJ. Supramolecular hierarchical polyurethane elastomers for thermal and mechanical property optimization. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Wu H, Dai T, Ao W, Shao S, Li Z, Luo F, Li J, Zhao D, Lan W, Zhang H, Tan H. The role of segmental mixing on the mechanical properties and oxidative stability of polydimethylsiloxane-based polyetherurethane. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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TRANSFORMATION OF TPU ELASTOMERS INTO TPU FOAMS USING SUPERCRITICAL CO2. A NEW REPROCESSING APPROACH. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Stal S, Huitorel B, Coustham T, Stephant N, Massuyeau F, Gacoin T, Bouteiller L, Perruchas S. Photoactive CuI-Cross-Linked Polyurethane Materials. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47931-47940. [PMID: 36222192 DOI: 10.1021/acsami.2c14749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Using multinuclear copper iodide complexes as cross-linking agents in a polyurethane matrix, original photoluminescent stimuli-responsive materials were synthesized. The intrinsic photoluminescence properties of the covalently incorporated copper iodide complexes are thus transferred to the materials while retaining the beneficial characteristics of the polymer host. The transparent materials exhibit room-temperature phosphorescence with emission switching properties by displaying luminescence thermochromism and solvatochromism. The luminescence thermochromism is characterized by a change in the wavelength and intensity of the emission with temperature, and the vapochromic effect presents a contrasted response of extinction or exaltation according to the nature of the solvent of exposure. By combining the luminescence characteristics of photoactive copper iodide complexes with the ease of polymer processing, the application of these luminescent materials as phosphors in LED (light-emitting diode) devices was also demonstrated. The present study shows that the use of copper iodide complexes as cross-linkers in polymeric materials is a relevant strategy to design materials with enhanced functionalities in addition to their low cost and sustainable characteristics.
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Affiliation(s)
- Sandro Stal
- Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, F-44000 Nantes, France
| | - Brendan Huitorel
- Laboratoire de Physique de La Matière Condensée (PMC), CNRS - Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Thomas Coustham
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 75005 Paris, France
| | - Nicolas Stephant
- Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, F-44000 Nantes, France
| | - Florian Massuyeau
- Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, F-44000 Nantes, France
| | - Thierry Gacoin
- Laboratoire de Physique de La Matière Condensée (PMC), CNRS - Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau Cedex, France
| | - Laurent Bouteiller
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 75005 Paris, France
| | - Sandrine Perruchas
- Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, F-44000 Nantes, France
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Rangappa R, Yeh SK. Effect of N2 plasticization on the crystallization of different hardnesses of thermoplastic polyurethanes. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Zhu P, Brückner A, Neumeyer T, Standau T, Ruckdäschel H, Altstädt V, Dong X, Wang D. Fatigue Characteristics of Poly(ether- b-amide) Elastomers during Cyclic Dynamic Tests and the Underlying Microstructural Evolution. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ping Zhu
- CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Alexander Brückner
- Neue Materialien Bayreuth GmbH, Gottlieb-Keim-Straße 60, 95448 Bayreuth, Germany
| | - Thomas Neumeyer
- Neue Materialien Bayreuth GmbH, Gottlieb-Keim-Straße 60, 95448 Bayreuth, Germany
| | - Tobias Standau
- Department of Polymer Engineering, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Bavarian Polymer Institute and Bayreuth Institute of Macromolecular Research, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Holger Ruckdäschel
- Neue Materialien Bayreuth GmbH, Gottlieb-Keim-Straße 60, 95448 Bayreuth, Germany
- Department of Polymer Engineering, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Bavarian Polymer Institute and Bayreuth Institute of Macromolecular Research, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Volker Altstädt
- Neue Materialien Bayreuth GmbH, Gottlieb-Keim-Straße 60, 95448 Bayreuth, Germany
- Department of Polymer Engineering, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Bavarian Polymer Institute and Bayreuth Institute of Macromolecular Research, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Xia Dong
- CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dujin Wang
- CAS Key Laboratory of Engineering Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Wang H, Zhang L, Peh KWE, Yu Q, Lu Y, Hua W, Men Y. Effect of Phase Separation and Crystallization on Enthalpy Relaxation in Thermoplastic Polyurethane. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hongru Wang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Li Zhang
- BASF Polyurethane Specialties (China) Co. Ltd., 300 Jiang Xin Sha Road, Pudong
District, Shanghai 200137, P. R. China
| | - Kar Wee Eddie Peh
- BASF Polyurethane Specialties (China) Co. Ltd., 300 Jiang Xin Sha Road, Pudong
District, Shanghai 200137, P. R. China
| | - Qianli Yu
- BASF Polyurethane Specialties (China) Co. Ltd., 300 Jiang Xin Sha Road, Pudong
District, Shanghai 200137, P. R. China
| | - Ying Lu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
| | - Wenqiang Hua
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, P. R. China
| | - Yongfeng Men
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
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Guo S, Zhu Y, Mei Q, Wang G. Preparation of bio‐degradable polyurethane based on poly(1,3‐propylene 3,6,9‐trioxaundecanedioate) glycol. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shengtong Guo
- Shanghai Key Laboratory of Advanced Polymeric Materials School of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Yun Zhu
- Shanghai Key Laboratory of Advanced Polymeric Materials School of Materials Science and Engineering, East China University of Science and Technology Shanghai China
| | - Qiyong Mei
- Department of Neurosurgery Changzheng Hospital, Naval Medical University (Second Military Medical University) Shanghai China
| | - Guiyou Wang
- Shanghai Key Laboratory of Advanced Polymeric Materials School of Materials Science and Engineering, East China University of Science and Technology Shanghai China
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Nabeel M, Varga M, Kuzsella L, Fiser B, Vanyorek L, Viskolcz B. The Effect of Pore Volume on the Behavior of Polyurethane-Foam-Based Pressure Sensors. Polymers (Basel) 2022; 14:polym14173652. [PMID: 36080726 PMCID: PMC9459917 DOI: 10.3390/polym14173652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/28/2022] [Accepted: 08/29/2022] [Indexed: 01/30/2023] Open
Abstract
In this work, three different polyurethane (PU) foams were prepared by mixing commonly used isocyanate and polyol with different isocyanate indices (1.0:0.8, 1.0:1.0, 1.0:1.1). Then, the prepared polyurethane foam samples were coated by dip-coating with a fixed ratio of nitrogen-doped, bamboo-shaped carbon nanotubes (N-BCNTs) to obtain pressure sensor systems. The effect of the isocyanate index on the initial resistance, pressure sensitivity, gauge factor (GF), and repeatability of the N-BCNT/PU pressure sensor systems was studied. The pore volume was crucial in finetuning the PU-foam-based sensors ability to detect large strain. Furthermore, large pore volume provides suitable spatial pores for elastic deformation. Sensors with large pore volume can detect pressure of less than 3 kPa, which could be related to their sensitivity in the high range. Moreover, by increasing the pore volume, the electrical percolation threshold can be achieved with a minimal addition of nanofillers. On the other hand, PU with a smaller pore volume is more suitable to detect pressure above 3 kPa. The developed sensors have been successfully applied in many applications, such as motion monitoring and vibration detection.
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Affiliation(s)
- Mohammed Nabeel
- Institute of Chemistry, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
- Ministry of Science and Technology—Materials Research Directorate, Baghdad 10011, Iraq
| | - Miklós Varga
- Higher Education and Industrial Cooperation Centre, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
| | - László Kuzsella
- Institute of Materials Science and Technology, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
| | - Béla Fiser
- Institute of Chemistry, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
- Higher Education and Industrial Cooperation Centre, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
- Ferenc Rakoczi II Transcarpathian Hungarian College of Higher Education, 90200 Beregszász, Transcarpathia, Ukraine
| | - László Vanyorek
- Institute of Chemistry, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
| | - Béla Viskolcz
- Institute of Chemistry, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
- Higher Education and Industrial Cooperation Centre, University of Miskolc, 3515 Miskolc-Egyetemváros, Hungary
- Correspondence:
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35
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Gao Z, Wang Z, Liu Z, Fu L, Li X, Eling B, Pöselt E, Schander E, Wang Z. Hard block length distribution of thermoplastic polyurethane determined by polymerization-induced phase separation. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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36
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Wang Y, Shao J, Zhu P, Wang L, Wang D, Dong X. Brill Transition in Polyamide 1012 Multiblock Poly(tetramethylene oxide) Copolymers: The Effect of Composition on Hydrogen-Bonding Organization. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yu Wang
- CAS Key Laboratory of Engineer Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jianming Shao
- CAS Key Laboratory of Engineer Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ping Zhu
- CAS Key Laboratory of Engineer Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
| | - Dujin Wang
- CAS Key Laboratory of Engineer Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xia Dong
- CAS Key Laboratory of Engineer Plastics, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Ernzen JR, Romoaldo CH, Gommes C, Covas JA, Marcos-Fernández A, Fiorio R, Bianchi O. Tuning Thermal, Morphological, and Physicochemical Properties of Thermoplastic Polyurethanes (TPUs) by the 1,4-Butanediol (BDO)/Dipropylene Glycol (DPG) Ratio. Polymers (Basel) 2022; 14:polym14153164. [PMID: 35956679 PMCID: PMC9371192 DOI: 10.3390/polym14153164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/27/2022] [Accepted: 07/30/2022] [Indexed: 11/16/2022] Open
Abstract
Thermoplastic polyurethanes (TPUs) are versatile polymers presenting a broad range of properties as a result of their countless combination of raw materials—in essence, isocyanates, polyols, and chain extenders. This study highlights the effect of two different chain extenders and their combination on the structure−property relationships of TPUs synthesized by reactive extrusion. The TPUs were obtained from 4,4-diphenylmethane diisocyanate (MDI), polyester diols, and the chain extenders 1,4-butanediol (BDO) and dipropylene glycol (DPG). The BDO/DPG ratios studied were 100/0, 75/25, 50/50, 25/75, and 0/100 wt.%. The TPUs were characterized by size exclusion chromatography (SEC), Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), small-angle X-ray scattering (SAXS), UV−vis spectroscopy, and physical-mechanical properties. The results indicate that DPG promotes compatibility between rigid (HS) and flexible (SS) segments of TPUs. Consequently, increasing DPG content (>75 wt.%) reduced the organization of the rigid segments and the degree of phase separation, increasing the polydispersity of the interdomain distance and the transparency in the UV−visible spectrum of the TPUs. Furthermore, increasing DPG content also reduced the amount of hydrogen bonds present in the rigid phase, reducing or extinguishing its glass transition temperature (TgHS) and melting temperature (Tm), and increasing the glass transition temperature of the flexible phase (TgSS). Therefore, increasing DPG content leads to a deterioration in mechanical properties and hydrolysis resistance.
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Affiliation(s)
- Juliano R. Ernzen
- Mantoflex Poliuretanos, Caxias do Sul 95045175, Brazil;
- Chemical Engineering Department, University of Caxias do Sul, Caxias do Sul 95070560, Brazil;
| | - Carlos H. Romoaldo
- Chemical Engineering Department, University of Caxias do Sul, Caxias do Sul 95070560, Brazil;
| | - Cedric Gommes
- Department of Chemical Engineering, University of Liège, B6C, Allée du Six Août 3, B-4000 Liège, Belgium;
| | - José A. Covas
- Institute for Polymers and Composites (IPC), University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal;
| | - Angel Marcos-Fernández
- Elastomers Group, Institute of Polymer Science and Technology (ICTP-CSIC), Juan de la Cierva, 3, 28006 Madrid, Spain
- Correspondence: (A.M.-F.); (O.B.)
| | - Rudinei Fiorio
- Faculty of Science and Engineering, Maastricht University, 6200 MD Geleen, The Netherlands;
| | - Otávio Bianchi
- Chemical Engineering Department, University of Caxias do Sul, Caxias do Sul 95070560, Brazil;
- Department of Materials Engineering (DEMAT), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 90040040, Brazil
- Correspondence: (A.M.-F.); (O.B.)
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Jin C, Park J, Shirakawa H, Osaki M, Ikemoto Y, Yamaguchi H, Takahashi H, Ohashi Y, Harada A, Matsuba G, Takashima Y. Synergetic improvement in the mechanical properties of polyurethanes with movable crosslinking and hydrogen bonds. SOFT MATTER 2022; 18:5027-5036. [PMID: 35695164 DOI: 10.1039/d2sm00408a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Polyurethane (PU) materials with movable crosslinking were prepared by a typical two-step synthetic process using an acetylated γ-cyclodextrin (TAcγCD) diol compound. The soft segment of PU is polytetrahydrofuran (PTHF), and the hard segment consists of hexamethylene diisocyanate (HDI) and 1,3-propylene glycol (POD). The synthesized PU materials exhibited the typical mechanical characteristics of a movable crosslinking network, and the presence of hydrogen bonds from the urethane bonds resulted in a synergistic effect. Two kinds of noncovalent bond crosslinking increased the Young's modulus of the material without affecting its toughness. Fourier transform infrared spectroscopy and X-ray scattering measurements were performed to analyze the effect of introducing movable crosslinking on the internal hydrogen bond and the microphase separation structure of PU, and the results showed that the carbonyl groups on TAcγCD could form hydrogen bonds with the PU chains and that the introduction of movable crosslinking weakened the hydrogen bonds between the hard segments of PU. When stretched, the movable crosslinking of the PU materials suppressed the orientation of polymer chains (shish-kebab orientation) in the tensile direction. The mechanical properties of the movable crosslinked PU materials show promise for future application in the industrial field.
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Affiliation(s)
- Changming Jin
- Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
| | - Junsu Park
- Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
- Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan
| | - Hidenori Shirakawa
- Kanagawa Technical Center, Yushiro Chemical Industry Co., Ltd., 1580 Tabata, Samukawa, Koza, Kanagawa, 253-0193, Japan
| | - Motofumi Osaki
- Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
- Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan
| | - Yuka Ikemoto
- Japan Synchrotron Radiation Research Institute (SPring-8) Kouto, Sayo, Hyogo, 679-5198, Japan
| | - Hiroyasu Yamaguchi
- Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
- Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 1-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Hiroaki Takahashi
- Kanagawa Technical Center, Yushiro Chemical Industry Co., Ltd., 1580 Tabata, Samukawa, Koza, Kanagawa, 253-0193, Japan
| | - Yasumasa Ohashi
- Kanagawa Technical Center, Yushiro Chemical Industry Co., Ltd., 1580 Tabata, Samukawa, Koza, Kanagawa, 253-0193, Japan
| | - Akira Harada
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Go Matsuba
- Graduate School of Organic Material Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata, 992-8510, Japan.
| | - Yoshinori Takashima
- Department of Macromolecular Science, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
- Forefront Research Center, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 1-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, 1-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Cao Y, Wan Y, Chen C, Luo J. Preparation of acid-resistant nanofiltration membrane with dually charged separation layer for enhanced salts removal. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120974] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Rolińska K, Mazurek-Budzyńska M, Parzuchowski PG, Wołosz D, Balk M, Gorący K, El Fray M, Polanowski P, Sikorski A. Synthesis of Shape-Memory Polyurethanes: Combined Experimental and Simulation Studies. Int J Mol Sci 2022; 23:ijms23137064. [PMID: 35806067 PMCID: PMC9266580 DOI: 10.3390/ijms23137064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 01/27/2023] Open
Abstract
The presented research focuses on the synthesis and structure–properties relationship of poly(carbonate-urea-urethane) (PCUU) systems including investigations on shape-memory effect capability. Furthermore, we approached the topic from a broader perspective by conducting extensive analysis of the relationship between the synthesized compounds and the results of computer simulations by means of the Monte Carlo method. For the first time, by using a unique simulation tool, the dynamic lattice liquid model (DLL), all steps of multi-step synthesis of these materials were covered by the simulations. Furthermore, broad thermal, mechanical, and thermomechanical characterization of synthesized PCUUs was performed, as well as determining the shape-memory properties. PCUUs exhibited good mechanical properties with a tensile strength above 20 MPa, elongation at break around 800%, and an exhibited shape-memory effect with shape fixity and shape recovery ratios above 94% and 99%, respectively. The dynamic lattice liquid model was employed to show the products and their molar mass distribution, as well as monomer conversion or the dispersity index for individual reaction steps. The results obtained in the following manuscript allow the planning of syntheses for the PCUUs of various structures, including crosslinked and soluble systems, which can provide a broad variety of applications of these materials, as well as a better understanding of the composition–properties relationship.
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Affiliation(s)
- Karolina Rolińska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland; (M.M.-B.); (P.G.P.); (D.W.)
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland;
- Correspondence: ; Tel.: +48-22-234-7317
| | - Magdalena Mazurek-Budzyńska
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland; (M.M.-B.); (P.G.P.); (D.W.)
| | - Paweł G. Parzuchowski
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland; (M.M.-B.); (P.G.P.); (D.W.)
| | - Dominik Wołosz
- Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland; (M.M.-B.); (P.G.P.); (D.W.)
| | - Maria Balk
- Institute of Active Polymers, Helmholtz-Zentrum Hereon, Kantstraße 55, 14513 Teltow, Germany;
| | - Krzysztof Gorący
- Department of Polymer and Biomaterials Science, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów Avenue 42, 71-065 Szczecin, Poland; (K.G.); (M.E.F.)
| | - Miroslawa El Fray
- Department of Polymer and Biomaterials Science, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów Avenue 42, 71-065 Szczecin, Poland; (K.G.); (M.E.F.)
| | - Piotr Polanowski
- Faculty of Chemistry, Technical University of Lodz, Zeromskiego 116, 90-924 Lodz, Poland;
| | - Andrzej Sikorski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland;
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41
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Kang K, Iyer KA, Pyun J. On the Fundamental Polymer Chemistry of Inverse Vulcanization for Statistical and Segmented Copolymers from Elemental Sulfur. Chemistry 2022; 28:e202200115. [DOI: 10.1002/chem.202200115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Kyung‐Seok Kang
- Department of Chemistry and Biochemistry University of Arizona 1306 E. University Blvd. Tucson AZ 85721 USA
| | - Krishnan A. Iyer
- ExxonMobil Chemical Company 5200 Bayway Drive Baytown TX 77520 USA
| | - Jeffrey Pyun
- Department of Chemistry and Biochemistry University of Arizona 1306 E. University Blvd. Tucson AZ 85721 USA
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42
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Investigation on the crystallization behavior and detail spherulitic morphology of two crystal forms of thermoplastic polyurethanes. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03112-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Cui Y, Pan H, Zhang J, Cao L, Zong C. Influence of polydimethylsiloxane on the microstructure and properties of polyester thermoplastic polyurethane. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03079-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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44
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Meena M, Kerketta A, Tripathi M, Roy P, Jacob J. Thermally stable poly(urethane‐imide)s with enhanced hydrophilicity for waterproof‐breathable textile coatings. J Appl Polym Sci 2022. [DOI: 10.1002/app.52508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mahipal Meena
- Centre for Fire, Explosive and Environment Safety DRDO Delhi India
- Department of Materials Science and Engineering Indian Institute of Technology Delhi India
| | - Anjlina Kerketta
- Centre for Fire, Explosive and Environment Safety DRDO Delhi India
| | | | - Prasun Roy
- Centre for Fire, Explosive and Environment Safety DRDO Delhi India
| | - Josemon Jacob
- Department of Materials Science and Engineering Indian Institute of Technology Delhi India
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45
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Liu W, Wang A, Yang R, Wu H, Shao S, Chen J, Ma Y, Li Z, Wang Y, He X, Li J, Tan H, Fu Q. Water-Triggered Stiffening of Shape-Memory Polyurethanes Composed of Hard Backbone Dangling PEG Soft Segments. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201914. [PMID: 35502474 DOI: 10.1002/adma.202201914] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/19/2022] [Indexed: 02/05/2023]
Abstract
Shape-memory polymers (SMPs) induced by heat or water are commonly used candidates for biomedical applications. Shape recovery inevitably leads to a dramatic decrease of Young's modulus due to the enhanced flexibility of polymer chains at the transition temperature. Herein, the principle of phase-transition-induced stiffening of shape-memory metallic alloys (SMAs) is introduced to the design of molecular structures for shape-memory polyurethane (SMPUs), featuring all-hard segments composed of main chains that are attached with poly(ethylene glycol) (PEG) dangling side chains. Different from conventional SMPs, they achieve a soft-to-stiff transition when shape recovers. The stiffening process is driven by water-triggered segmental rearrangement due to the incompatibility between the hard segments and the soft PEG segments. Upon hydration, the extent of microphase separation is enhanced and the hard domains are transformed to a more continuous morphology to realize more effective stress transfer. Meanwhile, such segmental rearrangement facilitates the shape-recovery process in the hydrated state despite the final increased glass transition temperature (Tg ). This work represents a novel paradigm of simultaneously integrating balanced mechanics, shape-memory property, and biocompatibility for SMPUs as materials for minimally invasive surgery such as endoluminal stents.
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Affiliation(s)
- Wenkai Liu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Ao Wang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Ruibo Yang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Hecheng Wu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Shuren Shao
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Jinlin Chen
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Yan Ma
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Zhen Li
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Yanchao Wang
- Department of Neurosurgery West China Hospital Sichuan University Chengdu Sichuan 610000 China
| | - Xueling He
- Laboratory Animal Center of Sichuan University Chengdu 610041 China
| | - Jiehua Li
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Hong Tan
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
| | - Qiang Fu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Med‐X Center of Materials Sichuan University Chengdu 610065 China
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46
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Zhao H, Gao WC, Li Q, Khan MR, Hu GH, Liu Y, Wu W, Huang CX, Li RK. Recent advances in superhydrophobic polyurethane: preparations and applications. Adv Colloid Interface Sci 2022; 303:102644. [PMID: 35313189 DOI: 10.1016/j.cis.2022.102644] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/19/2022] [Accepted: 03/14/2022] [Indexed: 01/24/2023]
Abstract
Even though polyurethane (PU) has been widely applied, its superhydrophobicity is inadequate for certain applications. As such, the development of superhydrophobic polyurethane (SHPU) has recently attracted significant attention, with numerous motivating reports in recent years. However, a comprehensive review that summarizes these state-of-the-art developments remains lacking. Thus, this review aims to fill up this gap by reviewing the recent preparation methods for SHPU based on superhydrophobic theories and principles. Three main types of methods used in promoting the hydrophobicity of PU are emphasized in this review; (1) incorporation of silicide or fluoride to lower the surface energy, (2) creation of micro/nano-scale rough surfaces by electrospinning or grafting of nanoparticles, and (3) integrating the earlier two methods to develop a synergistic approach. Furthermore, this review also discussed the various applications of SHPU in oil spill treatment, protective coating, self-healing materials and sensors.
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47
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Pugar JA, Gang C, Huang C, Haider KW, Washburn NR. Predicting Young's Modulus of Linear Polyurethane and Polyurethane-Polyurea Elastomers: Bridging Length Scales with Physicochemical Modeling and Machine Learning. ACS APPLIED MATERIALS & INTERFACES 2022; 14:16568-16581. [PMID: 35353501 DOI: 10.1021/acsami.1c24715] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Predicting the properties of complex polymeric materials based on monomer chemistry requires modeling physical interactions that bridge molecular, interchain, microstructure, and bulk length scales. For polyurethanes, a polymer class with global commercial and industrial significance, these multiscale challenges are intrinsic due to the thermodynamic incompatibility of the urethane and polyol-rich domains, resulting in heterogeneities from molecular to microstructural length scales. Machine learning can model patterns in data to establish a relationship between the monomer chemistry and bulk material properties, but this is made difficult by small data sets and a diverse set of monomers. Using a data set of 63 industrially relevant and complex elastomers, we demonstrate that accurate machine learning predictions are possible when monomer chemistry is used to estimate interactions at interchain length scales. Here, these features were used to accurately (r2 = 0.91) predict the Young's modulus of polyurethane and polyurethane-urea elastomers. Furthermore, by a query of the trained model for compositions that yield a target modulus within the range of accessible values, the capabilities of using this methodology as a design tool are demonstrated. The presented methodology could become increasingly useful in building models for materials with small data sets and may guide the interpretation of the underlying physicochemical forces.
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Affiliation(s)
- Joseph A Pugar
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Calvin Gang
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Christine Huang
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Karl W Haider
- Covestro LLC, 1 Covestro Circle, Pittsburgh, Pennsylvania 15205, United States
| | - Newell R Washburn
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
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48
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Arnould P, Simon F, Fouquay S, Pardal F, Michaud G, Gajan D, Raynaud J, Monteil V. Harnessing Catalysis Selectivity and Isophorone Diisocyanate Asymmetry for Tailored Polyurethane Prepolymers and Networks. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Priscilla Arnould
- Université de Lyon, Université Lyon 1, Chimie Physique Électronique Lyon, UMR 5128, Laboratoire CP2M, Equipe PCM, Centre National de la Recherche Scientifique, Villeurbanne 69616, France
- Bostik Smart Technology Center, ZAC du bois de Plaisance, Venette 60280, France
| | - Frédéric Simon
- Bostik Smart Technology Center, ZAC du bois de Plaisance, Venette 60280, France
| | - Stéphane Fouquay
- Bostik Smart Technology Center, ZAC du bois de Plaisance, Venette 60280, France
| | - Francis Pardal
- Bostik Smart Technology Center, ZAC du bois de Plaisance, Venette 60280, France
| | - Guillaume Michaud
- Bostik Smart Technology Center, ZAC du bois de Plaisance, Venette 60280, France
| | - David Gajan
- Université de Lyon, Centre de RMN à Très Hauts Champs de Lyon, UMR5082, Centre National de la Recherche Scientifique/École Normale Supérieure de Lyon/Claude Bernard University Lyon, Villeurbanne 69100, France
| | - Jean Raynaud
- Université de Lyon, Université Lyon 1, Chimie Physique Électronique Lyon, UMR 5128, Laboratoire CP2M, Equipe PCM, Centre National de la Recherche Scientifique, Villeurbanne 69616, France
| | - Vincent Monteil
- Université de Lyon, Université Lyon 1, Chimie Physique Électronique Lyon, UMR 5128, Laboratoire CP2M, Equipe PCM, Centre National de la Recherche Scientifique, Villeurbanne 69616, France
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49
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Zhang C, He H, Li Q, Liang X. Synthesis and characterization of flame retardant polyurethane based on new chain extenders. POLYM INT 2022. [DOI: 10.1002/pi.6399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Cheng Zhang
- School of Materials Science and Engineering South China University of Technology Wushan Road, Tianhe District Guangzhou Guangdong 510640 China
| | - Hui He
- School of Materials Science and Engineering South China University of Technology Wushan Road, Tianhe District Guangzhou Guangdong 510640 China
| | - Qunyang Li
- School of Materials Science and Engineering South China University of Technology Wushan Road, Tianhe District Guangzhou Guangdong 510640 China
| | - Xutong Liang
- School of Materials Science and Engineering South China University of Technology Wushan Road, Tianhe District Guangzhou Guangdong 510640 China
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50
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Lucio B, Fuente JL. Rheological kinetics of ferrocenylsilane functionalized polyurethanes based on 4,4'‐methylenediphenyl diisocyanate for advanced energetic materials. J Appl Polym Sci 2022. [DOI: 10.1002/app.51765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Beatriz Lucio
- Department of Chemical and Environmental Engineering University of the Basque Country EHU/UPV Bilbao Spain
| | - José Luis Fuente
- Dpto. de Propulsión Instituto Nacional de Técnica Aeroespacial “Esteban Terradas”, INTA Torrejón de Ardoz Madrid Spain
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