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Davletbaeva IM, Sazonov OO, Zakirov IN, Arkhipov AV, Davletbaev RS. Self-Organization of Polyurethane Ionomers Based on Organophosphorus-Branched Polyols. Polymers (Basel) 2024; 16:1773. [PMID: 39000629 PMCID: PMC11243855 DOI: 10.3390/polym16131773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/13/2024] [Accepted: 06/20/2024] [Indexed: 07/17/2024] Open
Abstract
Based on organophosphorus branched polyols (AEPAs) synthesized using triethanolamine (TEOA), ortho-phosphoric acid (OPA), and polyoxyethylene glycol with MW = 400 (PEG), vapor-permeable polyurethane ionomers (AEPA-PEG-PUs) were obtained. During the synthesis of AEPAs, the reaction of the OPA etherification with polyoxyethylene glycol was studied in a wide temperature range and at different molar ratios of the starting components. It turned out that OPA simultaneously undergoes a catalytically activated etherification reaction with triethanolamine and PEG. After TEOA is fully involved in the etherification reaction, excess OPA does not react with the terminal hydroxyl groups of AEPA-PEG or the remaining amount of PEG. The ortho-phosphoric acid remaining in an unreacted state is involved in associative interactions with the phosphate ions of the AEPA. Increasing the synthesis temperature from 40 °C to 110 °C leads to an increase in OPA conversion. However, for the AEPA-PEG-PU based on AEPA-PEG obtained at 100 °C and 110 °C, ortho-phosphoric acid no longer enters into associative interactions with the phosphate ions of the AEPA. Due to the hydrophilicity of polyoxyethylene glycol, the presence of phosphate ions in the polyurethane structure, and their associative binding with the unreacted ortho-phosphoric acid, the diffusion of water molecules in polyurethanes is enhanced, and high values of vapor permeability and tensile strength were achieved.
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Affiliation(s)
- Ilsiya M. Davletbaeva
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Oleg O. Sazonov
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Ilyas N. Zakirov
- Technology of Synthetic Rubber Department, Kazan National Research Technological University, 68 Karl Marx str., Kazan 420015, Russia; (O.O.S.); (I.N.Z.)
| | - Alexander V. Arkhipov
- Institute of Electronics and Telecommunications, Peter the Great St. Petersburg Polytechnic University, 29 Polytechnicheskaya str., St. Petersburg 195251, Russia;
| | - Ruslan S. Davletbaev
- Material Science and Technology of Materials Department, Kazan State Power Engineering University, 51 Krasnoselskaya str., Kazan 420066, Russia;
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da Silva MM, Proença MP, Covas JA, Paiva MC. Shape-Memory Polymers Based on Carbon Nanotube Composites. MICROMACHINES 2024; 15:748. [PMID: 38930718 PMCID: PMC11205355 DOI: 10.3390/mi15060748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024]
Abstract
For the past two decades, researchers have been exploring the potential benefits of combining shape-memory polymers (SMP) with carbon nanotubes (CNT). By incorporating CNT as reinforcement in SMP, they have aimed to enhance the mechanical properties and improve shape fixity. However, the remarkable intrinsic properties of CNT have also opened up new paths for actuation mechanisms, including electro- and photo-thermal responses. This opens up possibilities for developing soft actuators that could lead to technological advancements in areas such as tissue engineering and soft robotics. SMP/CNT composites offer numerous advantages, including fast actuation, remote control, performance in challenging environments, complex shape deformations, and multifunctionality. This review provides an in-depth overview of the research conducted over the past few years on the production of SMP/CNT composites with both thermoset and thermoplastic matrices, with a focus on the unique contributions of CNT to the nanocomposite's response to external stimuli.
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Affiliation(s)
- Mariana Martins da Silva
- Institute for Polymers and Composites, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal; (M.M.d.S.); (J.A.C.)
| | - Mariana Paiva Proença
- ISOM and Departamento de Electrónica Física, Universidad Politécnica de Madrid, Ava. Complutense 30, E-28040 Madrid, Spain;
| | - José António Covas
- Institute for Polymers and Composites, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal; (M.M.d.S.); (J.A.C.)
| | - Maria C. Paiva
- Institute for Polymers and Composites, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal; (M.M.d.S.); (J.A.C.)
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3
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Bahrami S, Mirzadeh H, Solouk A, Duprez D. Bioinspired scaffolds based on aligned polyurethane nanofibers mimic tendon and ligament fascicles. Biotechnol J 2023; 18:e2300117. [PMID: 37440460 DOI: 10.1002/biot.202300117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 07/02/2023] [Accepted: 07/11/2023] [Indexed: 07/15/2023]
Abstract
Topographical factors of scaffolds play an important role in regulating cell functions. Although the effects of alignment topography and three-dimensional (3D) configuration of nanofibers as well as surface stiffness on cell behavior have been investigated, there are relatively few reports that attempt to understand the relationship between synergistic effects of these parameters and cell responses. Herein, the influence of biophysical and biomechanical cues of electrospun polyurethane (PU) scaffolds on mesenchymal stem cells (MSCs) activities was evaluated. To this aim, multiscale bundles were developed by rolling up the aligned electrospun mats mimicking the fascicles of tendons/ligaments and other similar tissues. Compared to mats, the 3D bundles not only maintained the desirable topographical features (i.e., fiber diameter, fiber orientation, and pore size), but also boosted tensile strength (∼40 MPa), tensile strain (∼260%), and surface stiffness (∼1.75 MPa). Alignment topography of nanofibers noticeably dictated cell elongation and a uniaxial orientation, resulting in tenogenic commitment of MSCs. MSCs seeded on the bundles expressed higher levels of tenogenic markers compared to mats. Moreover, the biomimetic bundle scaffolds improved synthesis of extracellular matrix components compared to mats. These results suggest that biophysical and biomechanical cues modulate cell-scaffold interactions, providing new insights into hierarchical scaffold design for further studies.
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Affiliation(s)
- Saeid Bahrami
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
- Institut Biologie Paris Seine-Laboratoire de Biologie du Développement, Centre National de la Recherche Scientifique (CNRS) UMR 7622, Institut National de la Santé Et de la Recherche Médicale (Inserm) U1156, Université Pierre et Marie Curie, Sorbonne Université, Paris, France
| | - Hamid Mirzadeh
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Atefeh Solouk
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Delphine Duprez
- Institut Biologie Paris Seine-Laboratoire de Biologie du Développement, Centre National de la Recherche Scientifique (CNRS) UMR 7622, Institut National de la Santé Et de la Recherche Médicale (Inserm) U1156, Université Pierre et Marie Curie, Sorbonne Université, Paris, France
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4
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Nayak VV, Slavin BV, Bergamo ET, Torroni A, Runyan CM, Flores RL, Kasper FK, Young S, Coelho PG, Witek L. Three-Dimensional Printing Bioceramic Scaffolds Using Direct-Ink-Writing for Craniomaxillofacial Bone Regeneration. Tissue Eng Part C Methods 2023; 29:332-345. [PMID: 37463403 PMCID: PMC10495199 DOI: 10.1089/ten.tec.2023.0082] [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: 04/18/2023] [Accepted: 06/20/2023] [Indexed: 07/20/2023] Open
Abstract
Defects characterized as large osseous voids in bone, in certain circumstances, are difficult to treat, requiring extensive treatments which lead to an increased financial burden, pain, and prolonged hospital stays. Grafts exist to aid in bone tissue regeneration (BTR), among which ceramic-based grafts have become increasingly popular due to their biocompatibility and resorbability. BTR using bioceramic materials such as β-tricalcium phosphate has seen tremendous progress and has been extensively used in the fabrication of biomimetic scaffolds through the three-dimensional printing (3DP) workflow. 3DP has hence revolutionized BTR by offering unparalleled potential for the creation of complex, patient, and anatomic location-specific structures. More importantly, it has enabled the production of biomimetic scaffolds with porous structures that mimic the natural extracellular matrix while allowing for cell growth-a critical factor in determining the overall success of the BTR modality. While the concept of 3DP bioceramic bone tissue scaffolds for human applications is nascent, numerous studies have highlighted its potential in restoring both form and function of critically sized defects in a wide variety of translational models. In this review, we summarize these recent advancements and present a review of the engineering principles and methodologies that are vital for using 3DP technology for craniomaxillofacial reconstructive applications. Moreover, we highlight future advances in the field of dynamic 3D printed constructs via shape-memory effect, and comment on pharmacological manipulation and bioactive molecules required to treat a wider range of boney defects.
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Affiliation(s)
- Vasudev Vivekanand Nayak
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Blaire V. Slavin
- University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Edmara T.P. Bergamo
- Biomaterials Division, New York University College of Dentistry, New York, New York, USA
- Department of Prosthodontics and Periodontology, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Andrea Torroni
- Hansjörg Wyss Department of Plastic Surgery, NYU Grossman School of Medicine, New York University, New York, New York, USA
| | - Christopher M. Runyan
- Department of Plastic and Reconstructive Surgery, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Roberto L. Flores
- Hansjörg Wyss Department of Plastic Surgery, NYU Grossman School of Medicine, New York University, New York, New York, USA
| | - F. Kurtis Kasper
- Department of Orthodontics, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Simon Young
- Bernard and Gloria Pepper Katz Department of Oral and Maxillofacial Surgery, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Paulo G. Coelho
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, Florida, USA
- DeWitt Daughtry Family Department of Surgery, Division of Plastic Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Lukasz Witek
- Biomaterials Division, New York University College of Dentistry, New York, New York, USA
- Hansjörg Wyss Department of Plastic Surgery, NYU Grossman School of Medicine, New York University, New York, New York, USA
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, Brooklyn, New York, USA
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5
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Arash S, Akbari B, Ghaleb S, Kaffashi B, Marouf BT. Preparation of PLA-TPU-Nanoclay composites and characterization of their morphological, mechanical, and shape memory properties. J Mech Behav Biomed Mater 2023; 139:105642. [PMID: 36706650 DOI: 10.1016/j.jmbbm.2022.105642] [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: 06/20/2022] [Revised: 12/17/2022] [Accepted: 12/20/2022] [Indexed: 01/06/2023]
Abstract
In this study, a combination of polylactic acid polymer and thermoplastic polyurethane with the addition of nano-clay particles was used. The reason for using clay nanoparticles and their strength is the low price and availability of this material. Adding nano-clay particles to the polymer composition improves the mechanical properties of the composite as they will interact with functional groups of the polymer. The results of the FTIR spectroscopy confirmed the presence of three components in the compound indicating that no chemical reactions occurred among the three components during the compounding process. The FE-SEM images taken from the compounds showed that TPU and nano-clay particles were evenly distributed in the PLA matrix. The DMTA results were utilized to determine the transfer temperature of the compounds as well as the storage and loss modulus and the shape memory properties. The XRD spectroscopy was used to determine the crystallinity and exfoliation of the nanoparticles. The mechanical properties of the fabricated polymer compounds were determined. It was found that the sample with 3% by weight of clay nanoparticles had the highest strength, and the sample with 5 wt% of clay nanoparticles had the highest toughness among nanocomposites. According to the hardness measurement, the sample with 5% by weight of clay nanoparticles has the highest hardness amongst all prepared composites. The memory properties of the prepared nanocomposites showed a significant improvement with increasing the amount of nanoparticles. This study showed the suitability and efficiency of PLA, TPU, and clay nanoparticle melt mixing methods in achieving a relatively tough shape memory composite. At the same time, this method is also inexpensive and scalable.
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Affiliation(s)
- S Arash
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - B Akbari
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran.
| | - S Ghaleb
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - B Kaffashi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - B T Marouf
- Department of Materials Science and Engineering, Faculty of Engineering, Urmia University, Urmai, Iran
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6
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Pineda-Castillo SA, Stiles AM, Bohnstedt BN, Lee H, Liu Y, Lee CH. Shape Memory Polymer-Based Endovascular Devices: Design Criteria and Future Perspective. Polymers (Basel) 2022; 14:polym14132526. [PMID: 35808573 PMCID: PMC9269599 DOI: 10.3390/polym14132526] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/13/2022] [Accepted: 06/17/2022] [Indexed: 12/12/2022] Open
Abstract
Devices for the endovascular embolization of intracranial aneurysms (ICAs) face limitations related to suboptimal rates of lasting complete occlusion. Incomplete occlusion frequently leads to residual flow within the aneurysm sac, which subsequently causes aneurysm recurrence needing surgical re-operation. An emerging method for improving the rates of complete occlusion both immediately after implant and in the longer run can be the fabrication of patient-specific materials for ICA embolization. Shape memory polymers (SMPs) are materials with great potential for this application, owing to their versatile and tunable shape memory properties that can be tailored to a patient’s aneurysm geometry and flow condition. In this review, we first present the state-of-the-art endovascular devices and their limitations in providing long-term complete occlusion. Then, we present methods for the fabrication of SMPs, the most prominent actuation methods for their shape recovery, and the potential of SMPs as endovascular devices for ICA embolization. Although SMPs are a promising alternative for the patient-specific treatment of ICAs, there are still limitations that need to be addressed for their application as an effective coil-free endovascular therapy.
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Affiliation(s)
- Sergio A. Pineda-Castillo
- Biomechanics and Biomaterials Design Laboratory (BBDL), The University of Oklahoma, Norman, OK 73019, USA; (S.A.P.-C.); (A.M.S.)
- Stephenson School of Biomedical Engineering, The University of Oklahoma, Norman, OK 73019, USA
| | - Aryn M. Stiles
- Biomechanics and Biomaterials Design Laboratory (BBDL), The University of Oklahoma, Norman, OK 73019, USA; (S.A.P.-C.); (A.M.S.)
- School of Aerospace and Mechanical Engineering, The University of Oklahoma, Norman, OK 73019, USA;
| | - Bradley N. Bohnstedt
- Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Hyowon Lee
- Laboratory of Implantable Microsystems Research (LIMR), Weldon School of Biomedical Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;
| | - Yingtao Liu
- School of Aerospace and Mechanical Engineering, The University of Oklahoma, Norman, OK 73019, USA;
| | - Chung-Hao Lee
- Biomechanics and Biomaterials Design Laboratory (BBDL), The University of Oklahoma, Norman, OK 73019, USA; (S.A.P.-C.); (A.M.S.)
- School of Aerospace and Mechanical Engineering, The University of Oklahoma, Norman, OK 73019, USA;
- Correspondence:
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7
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Jafari Horastani S, Karevan M, Ghane M. Structural, thermal, and viscoelastic response of nanoclay reinforced polylactic acid/thermoplastic polyurethane shape‐memory nanocomposites of low transition temperature. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
| | - Mehdi Karevan
- Department of Mechanical Engineering Isfahan University of Technology Isfahan Iran
| | - Mohammad Ghane
- Department of Textile Engineering Isfahan University of Technology Isfahan Iran
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8
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Bhinder J, Agnihotri PK. Understanding the effect of processing temperature and carbon nanotube addition on the viscoelastic response of polyurethane foams. J Appl Polym Sci 2022. [DOI: 10.1002/app.51644] [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)
- Jasdeep Bhinder
- Mechanics of Advanced Material Laboratory, Department of Mechanical Engineering Indian Institute of Technology, Ropar Rupnagar India
| | - Prabhat K. Agnihotri
- Mechanics of Advanced Material Laboratory, Department of Mechanical Engineering Indian Institute of Technology, Ropar Rupnagar India
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9
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Cortés A, Pérez-Chao N, Jiménez-Suárez A, Campo M, Prolongo S. Sequential and selective shape memory by remote electrical control. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Moghim MH, Zebarjad SM, Eqra R. Effect of Fe3O4 nanoparticles on magneto-responsive shape memory behavior of polyurethane-carbon nanotube nanocomposites. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02880-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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11
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Ahmed N, Dilbraiz MA, Niaz B, Ahmed N, Farooq U, Ahmed S. A facile approach towards fabrication of multi-walled nanotubes embedded polyurethane high performance nanocomposite with efficient shape recovery. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02631-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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12
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Recent Developments in Lignin- and Tannin-Based Non-Isocyanate Polyurethane Resins for Wood Adhesives—A Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11094242] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
This review article aims to summarize the potential of using renewable natural resources, such as lignin and tannin, in the preparation of NIPUs for wood adhesives. Polyurethanes (PUs) are extremely versatile polymeric materials, which have been widely used in numerous applications, e.g., packaging, footwear, construction, the automotive industry, the lighting industry, insulation panels, bedding, furniture, metallurgy, sealants, coatings, foams, and wood adhesives. The isocyanate-based PUs exhibit strong adhesion properties, excellent flexibility, and durability, but they lack renewability. Therefore, this study focused on the development of non-isocyanate polyurethane lignin and tannin resins for wood adhesives. PUs are commercially synthesized using polyols and polyisocyanates. Isocyanates are toxic, costly, and not renewable; thus, a search of suitable alternatives in the synthesis of polyurethane resins is needed. The reaction with diamine compounds could result in NIPUs based on lignin and tannin. The research on bio-based components for PU synthesis confirmed that they have good characteristics as an alternative for the petroleum-based adhesives. The advantages of improved strength, low curing temperatures, shorter pressing times, and isocyanate-free properties were demonstrated by lignin- and tannin-based NIPUs. The elimination of isocyanate, associated with environmental and human health hazards, NIPU synthesis, and its properties and applications, including wood adhesives, are reported comprehensively in this paper. The future perspectives of NIPUs’ production and application were also outlined.
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Affiliation(s)
- Subrata Mondal
- Department of Mechanical Engineering, National Institute of Technical Teachers’ Training and Research (NITTTR) Kolkata, Kolkata, India
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14
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Ehteramian M, Ghasemi I, Azizi H, Karrabi M. Functionalization of multi-walled carbon nanotube and its effect on shape memory behavior of nanocomposite based on thermoplastic polyurethane/polyvinyl chloride/multi-walled carbon nanotube (TPU/PVC/MWCNT). IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00900-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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15
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Carbon nanotube enhanced shape memory epoxy for improved mechanical properties and electroactive shape recovery. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123158] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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16
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Programing polyurethane with rational surface-modified graphene platelets for shape memory actuators and dielectric elastomer generators. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109745] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Deng J, Saleem M, Jia Q, Ding Y, Liu Y, Chen Y. Synthesis, surface wettability, and thermal property of poly(ε-caprolactone)-based polyurethane bearing triethylene glycol monomethyl as side chain. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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18
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Kang H, Xu M, Wang H, Li L, Li J, Fang Q, Zhang J. Heat‐responsive shape memory
Eucommia ulmoides
gum composites reinforced by zinc dimethacrylate. J Appl Polym Sci 2020. [DOI: 10.1002/app.49133] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hailan Kang
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
- Key Laboratory for Rubber Elastomer of Liaoning ProvinceShenyang University of Chemical Technology Shenyang China
| | - Mingze Xu
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
- Key Laboratory for Rubber Elastomer of Liaoning ProvinceShenyang University of Chemical Technology Shenyang China
| | - Haoyu Wang
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
- Key Laboratory for Rubber Elastomer of Liaoning ProvinceShenyang University of Chemical Technology Shenyang China
| | - Long Li
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
- Key Laboratory for Rubber Elastomer of Liaoning ProvinceShenyang University of Chemical Technology Shenyang China
| | - Jiaxi Li
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
| | - Qinghong Fang
- College of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang China
- Key Laboratory for Rubber Elastomer of Liaoning ProvinceShenyang University of Chemical Technology Shenyang China
| | - Jichuan Zhang
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing University of Chemical Technology Beijing China
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19
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Light-induced shape-memory polyurethane composite film containing copper sulfide nanoparticles and modified cellulose nanocrystals. Carbohydr Polym 2020; 230:115676. [DOI: 10.1016/j.carbpol.2019.115676] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 11/24/2019] [Accepted: 11/25/2019] [Indexed: 01/22/2023]
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20
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Panahi-Sarmad M, Abrisham M, Noroozi M, Amirkiai A, Dehghan P, Goodarzi V, Zahiri B. Deep focusing on the role of microstructures in shape memory properties of polymer composites: A critical review. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.05.013] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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21
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Prasomsin W, Parnklang T, Sapcharoenkun C, Tiptipakorn S, Rimdusit S. Multiwalled Carbon Nanotube Reinforced Bio-Based Benzoxazine/Epoxy Composites with NIR-Laser Stimulated Shape Memory Effects. NANOMATERIALS 2019; 9:nano9060881. [PMID: 31197110 PMCID: PMC6631418 DOI: 10.3390/nano9060881] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/05/2019] [Accepted: 06/10/2019] [Indexed: 11/29/2022]
Abstract
Smart materials with light-actuated shape memory effects are developed from renewable resources in this work. Bio-based benzoxazine resin is prepared from vanillin, furfurylamine, and paraformaldehyde by utilizing the Mannich-like condensation. Vanillin-furfurylamine-containing benzoxazine resin (V-fa) is subsequently copolymerized with epoxidized castor oil (ECO). When the copolymer is reinforced with multiwalled carbon nanotubes (MWCNTs), the resulting composite exhibits shape memory effects. Molecular characteristics of V-fa resin, ECO, and V-fa/ECO copolymers are obtained from Fourier transform infrared (FT-IR) spectroscopy. Curing behavior of V-fa/ECO copolymers is investigated by differential scanning calorimetry. Dynamic mechanical properties of MWCNT reinforced V-fa/ECO composites are determined by dynamic mechanical analysis. Morphological details and distribution of MWCNTs within the copolymer matrix are characterized by transmission electron microscopy. Shape memory performances of MWCNT reinforced V-fa/ECO composites are studied by shape memory tests performed with a universal testing machine. After a significant deformation to a temporary shape, the composites can be recovered to the original shape by near-infrared (NIR) laser actuation. The shape recovery process can be stimulated at a specific site of the composite simply by focusing NIR laser to that site. The shape recovery time of the composites under NIR actuation is four times faster than the shape recovery process under conventional thermal activation. Furthermore, the composites possess good shape fixity and good shape recovery under NIR actuation.
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Affiliation(s)
- Wassika Prasomsin
- Polymer Engineering Laboratory, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
| | - Tewarak Parnklang
- Polymer Engineering Laboratory, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
| | - Chaweewan Sapcharoenkun
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Phatum Thani 12120, Thailand.
| | - Sunan Tiptipakorn
- Department of Chemistry, Faculty of Liberal Arts & Science, Kasetsart University, Nakhon Pathom 73140, Thailand.
| | - Sarawut Rimdusit
- Polymer Engineering Laboratory, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand.
- Research Network NANOTEC-CU on Advanced Structural and Functional Nanomaterials, Chulalongkorn University, Bangkok 10330, Thailand.
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22
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Kazemi F, Mir Mohamad Sadeghi G, Kazemi HR. Synthesis and evaluation of the effect of structural parameters on recovery rate of shape memory polyurethane-POSS nanocomposites. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.12.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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23
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Moghim MH, Zebarjad SM, Eqra R. Experimental and modeling investigation of shape memory behavior of polyurethane/carbon nanotube nanocomposite. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4361] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Mohammad Hadi Moghim
- Department of Materials Science and Engineering, Engineering School; Shiraz University; Shiraz Iran
- Institute of Mechanics, ISRC; Shiraz Iran
| | - Seyed Mojtaba Zebarjad
- Department of Materials Science and Engineering, Engineering School; Shiraz University; Shiraz Iran
| | - Rahim Eqra
- Department of Materials Science and Engineering, Engineering School; Shiraz University; Shiraz Iran
- Institute of Mechanics, ISRC; Shiraz Iran
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24
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Kasemsiri P, Lorwanishpaisarn N, Pongsa U, Ando S. Reconfigurable Shape Memory and Self-Welding Properties of Epoxy Phenolic Novolac/Cashew Nut Shell Liquid Composites Reinforced with Carbon Nanotubes. Polymers (Basel) 2018; 10:E482. [PMID: 30966516 PMCID: PMC6415440 DOI: 10.3390/polym10050482] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Revised: 04/08/2018] [Accepted: 04/25/2018] [Indexed: 12/03/2022] Open
Abstract
Conventional shape memory polymers (SMPs) can memorize their permanent shapes. However, these SMPs cannot reconfigure their original shape to obtain a desirable geometry owing to permanent chemically or physically crosslinked networks. To overcome this limitation, novel SMPs that can be reconfigured via bond exchange reactions (BERs) have been developed. In this study, polymer composites consisting of epoxy phenolic novolac (EPN) and bio-based cashew nut shell liquid (CNSL) reinforced by multi-walled carbon nanotubes (CNTs) were prepared. The obtained composites exhibited shape memory and self-welding properties, and their shapes could be reconfigured via BERs. Their shape memory mechanisms were investigated using variable-temperature Fourier transform infrared spectroscopy and dynamic mechanical analysis. The EPN/CNSL composite containing 0.3 wt % CNTs showed the highest shape fixity and shape recovery ratio. Furthermore, shape memory behavior induced by irradiation of near-infrared (NIR) light was also observed. All samples showed high shape recovery ratios of nearly 100% over five cycles, and increasing the CNT content shortened the recovery time remarkably. The ability of shape reconfiguration and stress relaxation affected the photo-induced shape memory properties of reshaped samples. Additionally, the self-welding properties were also influenced by stress relaxation. The hindrance of stress relaxation caused by the CNTs resulted in a decrease in adhesive fracture energy (Gc). However, the Gc values of EPN/CNSL composites were comparable to those of epoxy vitrimers. These results revealed that the material design concepts of thermal- and photo-induced shape memory, shape reconfiguration, and self-welding were combined in the EPN/CNSL composites, which could be feasible method for advanced smart material applications.
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Affiliation(s)
- Pornnapa Kasemsiri
- Department of Chemical Engineering, Khon Kaen University, Khon Kaen 40002, Thailand.
| | | | - Uraiwan Pongsa
- Division of Industrial Engineering Technology, Rajamangala University of Technology Rattanakosin, Wang Klai Kang, Won Campus, Prachuap Khiri Khan 77110, Thailand.
| | - Shinji Ando
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Ookayama 2-12-1-E4-5, Meguro-ku, Tokyo 152-8552, Japan.
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25
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Zhou X, Hu B, Xiao WQ, Yan L, Wang ZJ, Zhang JJ, Lin HL, Bian J, Lu Y. Morphology and properties of shape memory thermoplastic polyurethane composites incorporating graphene-montmorillonite hybrids. J Appl Polym Sci 2017. [DOI: 10.1002/app.46149] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Xing Zhou
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Bin Hu
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Wen Qiang Xiao
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Lei Yan
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Zheng Jun Wang
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Jian Jun Zhang
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Hai Lan Lin
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Jun Bian
- College of Materials Science and Engineering; Xi-hua University; Chengdu Sichuan 610039 China
| | - Yun Lu
- Department of Mechanical Engineering, Graduate School of Science and Engineering; Chiba University, 1-33, Yayoi-cho; Inage-ku 262-8522 Japan
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26
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Multiple-shape memory behavior of nanocomposite based on polymethylmethacrylate/poly (lactic acid)/graphene nanoplatelets (PMMA/PLA/GNP). Polym Bull (Berl) 2017. [DOI: 10.1007/s00289-017-2252-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Abbasi A, Mir Mohamad Sadeghi G, Ghasemi I. Synthesis and characterization of novel environmentally friendly shape memory polyurethanes based on poly(epsilon-caprolactone) diol/castor oil mixtures. POLYMER SCIENCE SERIES B 2017. [DOI: 10.1134/s1560090417050013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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28
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Yoo HJ, Lee BH, Mahapatra SS, Yang CM, Cho JW. Polyurethane nanocomposites with click-coupled nanodiamonds exhibiting enhanced mechanical and shape memory effects. J Appl Polym Sci 2017. [DOI: 10.1002/app.45465] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hye Jin Yoo
- Department of Organic and Nano System Engineering; Konkuk University; Seoul 05029 Republic of Korea
| | - Byung Hak Lee
- Department of Organic and Nano System Engineering; Konkuk University; Seoul 05029 Republic of Korea
| | - Sibdas Singha Mahapatra
- Department of Organic and Nano System Engineering; Konkuk University; Seoul 05029 Republic of Korea
| | - Cheol-Min Yang
- Institute of Advanced Composite Materials; Korea Institute of Science and Technology; Jeollabuk-do 55324 Republic of Korea
| | - Jae Whan Cho
- Department of Organic and Nano System Engineering; Konkuk University; Seoul 05029 Republic of Korea
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29
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Kausar A. Fabrication of short glass fiber reinforced phenol-formaldehyde-lignin and polyurethane-based composite foam: mechanical, friability, and shape memory studies. JOURNAL OF POLYMER ENGINEERING 2017. [DOI: 10.1515/polyeng-2016-0289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In this research effort, phenol-formaldehyde-lignin (PFL) resin was prepared using phenol, formaldehyde, and lignin via a simple approach. The PFL-polyurethane (PFL-PU) was prepared using PU prepolymer and PFL resin. The blend components were then foamed via addition of Tween 80 surfactant and n-pentane as the blowing agent. Short glass fiber was reinforced in the blend sample to attain high performance composite foams. The composite foams were characterized for structure, morphology, stress-strain behavior, friability tests, and shape memory characteristics. Scanning electron microscopy showed a layered, porous, and distorted hexagonal shaped foam structure. The cell size ranges from 10 to 20 μm for PFL-PU-short glass fiber (SGF) Foam with 10–20 wt.% fiber loading. PFL-PU Foam had compression strength and strain of 48.3 MPa and 48.2%. The PFL-PU-SGF 1–20 Foam showed increase in strength from 55.1 to 101.7 MPa and decrease in strain from 57.8% to 35.8% due to filler addition. At temperature above Tg (130°C), the strain was increased up to 45.11%. The shape fixity was improved up to the addition of 10 wt.% filler where the value of 92.1% was achieved with shape recovery of 95%.
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Affiliation(s)
- Ayesha Kausar
- Nanoscience and Technology Department , National Centre For Physics , Quaid-i-Azam University Campus , Islamabad 44000 , Pakistan
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30
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Lian H, Chang W, Liang Q, Hu C, Wang R, Zu L, Liu Y. A shape memory polyurethane based ionic polymer–carbon nanotube composite. RSC Adv 2017. [DOI: 10.1039/c7ra07476j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The blocking force of 25% GO–IPU is 5 times that of neat IPU.
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Affiliation(s)
- Huiqin Lian
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Wei Chang
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Qian Liang
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Chufeng Hu
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Rui Wang
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Lei Zu
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
| | - Yang Liu
- Beijing Key Lab of Special Elastomer Composite Materials
- College of Materials Science and Engineering
- Beijing Institute of Petrochemical Technology
- Beijing 102617
- China
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31
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Park GG, Park YK, Park JK, Lee JW. Flexible and wrinkle-free electrode fabricated with polyurethane binder for lithium-ion batteries. RSC Adv 2017. [DOI: 10.1039/c7ra00800g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Flexible and wrinkle-free electrodes for lithium-ion batteries (LIBs) have been developed by using polyurethane as a binder. The electrodes provide LIBs with robust mechanical properties and good electrochemical performances along with MWNT.
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Affiliation(s)
- Geun-gyung Park
- Department of Energy Engineering
- Dankook University
- Cheonan 31116
- Republic of Korea
| | - Yang-kyu Park
- Department of Energy Engineering
- Dankook University
- Cheonan 31116
- Republic of Korea
| | - Joon-ki Park
- Department of Energy Engineering
- Dankook University
- Cheonan 31116
- Republic of Korea
| | - Jae-won Lee
- Department of Energy Engineering
- Dankook University
- Cheonan 31116
- Republic of Korea
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32
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Prasad HC, Hashmi SAR, Naik A, Bhargaw HN. Improved shape memory effects in multiwalled-carbon-nano-tube reinforced thermosetting polyurethane composites. J Appl Polym Sci 2016. [DOI: 10.1002/app.44389] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Harish Chandra Prasad
- Polymer Composite Group, CSIR-Advanced Materials and Processes Research Institute (CSIR-AMPRI); Hoshangabad Road Bhopal 462026 India
| | - S. A. R Hashmi
- Polymer Composite Group, CSIR-Advanced Materials and Processes Research Institute (CSIR-AMPRI); Hoshangabad Road Bhopal 462026 India
| | - Ajay Naik
- Polymer Composite Group, CSIR-Advanced Materials and Processes Research Institute (CSIR-AMPRI); Hoshangabad Road Bhopal 462026 India
| | - Hari Narayan Bhargaw
- Polymer Composite Group, CSIR-Advanced Materials and Processes Research Institute (CSIR-AMPRI); Hoshangabad Road Bhopal 462026 India
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33
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Askari F, Barikani M, Barmar M, Shokrollahi P. Polyurethane/amino-grafted multiwalled carbon nanotube nanocomposites: Microstructure, thermal, mechanical, and rheological properties. J Appl Polym Sci 2016. [DOI: 10.1002/app.44411] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Fahimeh Askari
- Department of Polyurethane, Faculty of Science; Iran Polymer and Petrochemical Institute (IPPI); Tehran P.O. Box: 14965-115 Iran
| | - Mehdi Barikani
- Department of Polyurethane, Faculty of Science; Iran Polymer and Petrochemical Institute (IPPI); Tehran P.O. Box: 14965-115 Iran
| | - Mohammad Barmar
- Department of Polyurethane, Faculty of Science; Iran Polymer and Petrochemical Institute (IPPI); Tehran P.O. Box: 14965-115 Iran
| | - Parvin Shokrollahi
- Department of Biomaterials, Faculty of Science; Iran Polymer and Petrochemical Institute (IPPI); Tehran P.O. Box: 14965-115 Iran
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34
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Enhancement in Mechanical and Shape Memory Properties for Liquid Crystalline Polyurethane Strengthened by Graphene Oxide. Polymers (Basel) 2016; 8:polym8070236. [PMID: 30974543 PMCID: PMC6432439 DOI: 10.3390/polym8070236] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/06/2016] [Accepted: 06/09/2016] [Indexed: 11/20/2022] Open
Abstract
Conventional shape memory polymers suffer the drawbacks of low thermal stability, low strength, and low shape recovery speed. In this study, main-chain liquid crystalline polyurethane (LCPU) that contains polar groups was synthesized. Graphene oxide (GO)/LCPU composite was fabricated using the solution casting method. The tensile strength of GO/LCPU was 1.78 times that of neat LCPU. In addition, shape recovery speed was extensively improved. The average recovery rate of sample with 20 wt % GO loading was 9.2°/s, much faster than that of LCPU of 2.6°/s. The enhancement in mechanical property and shape memory behavior could be attributed to the structure of LCPU and GO, which enhanced the interfacial interactions between GO and LCPU.
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35
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Xie H, He MJ, Deng XY, Du L, Fan CJ, Yang KK, Wang YZ. Design of Poly(L-lactide)-Poly(ethylene glycol) Copolymer with Light-Induced Shape-Memory Effect Triggered by Pendant Anthracene Groups. ACS APPLIED MATERIALS & INTERFACES 2016; 8:9431-9439. [PMID: 27031590 DOI: 10.1021/acsami.6b00704] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A novel light-induced shape-memory material based on poly(l-lactide)-poly(ethylene glycol) copolymer is developed successfully by dangling the photoresponsive anthracene group on the PEG soft segment selectively. For synthesis strategy, the preprepared photoresponsive monomer N,N-bis(2-hydroxyethyl)-9-anthracene-methanamine (BHEAA) is first embedded into PEG chains; then, we couple this anthracene-functionalized PEG precursor with PLA precursor to result in PLA-PEG-A copolymer. The composition of target product can be well-defined by simply adjusting the feed ratio. The chemical structures of intermediate and final products are confirmed by (1)H NMR. Differential scanning calorimetry analysis of material reveals that the PEG soft segment became noncrystallizable when 4% or more BHEAA is introduced, and this feature is beneficial to the mobility of anthracene groups in polymer matrix. The static tensile tests show that the samples exhibit rubberlike mechanical properties except for the PLA-dominant one. The reversibility of [4 + 4] cycloaddition reaction between pendant anthracene groups in PLA-PEG-A film is demonstrated by UV-vis. Eventually, the light-induced shape-memory effect (LSME) is successfully realized in PLA-PEG-A. The results of cyclic photomechanical tests also reveal that the content of PLA hard segment as well as photosensitive anthracene moieties plays a crucial role in LSME.
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Affiliation(s)
- Hui Xie
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Man-jie He
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Xiao-Ying Deng
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Lan Du
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Cheng-Jie Fan
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Ke-Ke Yang
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
| | - Yu-Zhong Wang
- Center for Degradable and Flame-Retardant Polymeric Materials, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), College of Chemistry, Sichuan University , Chengdu 610064, China
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36
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Akindoyo JO, Beg MDH, Ghazali S, Islam MR, Jeyaratnam N, Yuvaraj AR. Polyurethane types, synthesis and applications – a review. RSC Adv 2016. [DOI: 10.1039/c6ra14525f] [Citation(s) in RCA: 655] [Impact Index Per Article: 81.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Polyurethanes (PUs) are a class of versatile materials with great potential for use in different applications, especially based on their structure–property relationships.
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Affiliation(s)
- John O. Akindoyo
- Faculty of Chemical and Natural Resources Engineering
- Universiti Malaysia Pahang Lebuhraya Tun Razak
- Kuantan
- Malaysia
| | - M. D. H. Beg
- Faculty of Chemical and Natural Resources Engineering
- Universiti Malaysia Pahang Lebuhraya Tun Razak
- Kuantan
- Malaysia
| | - Suriati Ghazali
- Faculty of Chemical and Natural Resources Engineering
- Universiti Malaysia Pahang Lebuhraya Tun Razak
- Kuantan
- Malaysia
| | - M. R. Islam
- Malaysian Institute of Chemical and Bioengineering Technology
- University of Kuala Lumpur
- Melaka
- Malaysia
| | - Nitthiyah Jeyaratnam
- Faculty of Chemical and Natural Resources Engineering
- Universiti Malaysia Pahang Lebuhraya Tun Razak
- Kuantan
- Malaysia
| | - A. R. Yuvaraj
- Faculty of Industrial Sciences and Technology
- Universiti Malaysia Pahang Lebuhraya Tun Razak
- Kuantan
- Malaysia
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37
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Kim H, Lee JA, Sim HJ, Lima MD, Baughman RH, Kim SJ. Temperature-Responsive Tensile Actuator Based on Multi-walled Carbon Nanotube Yarn. NANO-MICRO LETTERS 2016; 8:254-259. [PMID: 30460285 PMCID: PMC6223678 DOI: 10.1007/s40820-016-0084-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 01/25/2016] [Indexed: 05/06/2023]
Abstract
Many temperature indicators or sensors show color changes for materials used in food and medical fields. However, they are not helpful for a color-blind person or children who lack judgment. In this paper, we introduce simply fabricated and more useful low-temperature indicator (~30 °C) for devices that actuates using paraffin-infiltrated multi-walled carbon nanotube (MWCNT) coiled yarn. The density difference of MWCNT yarn provides large strain (~330 %) when heat causes the melted polymer to move. Furthermore, the MWCNT yarn decreases the melting point of paraffin. These properties allow control of the actuating temperature. In addition, mechanical strength was enhanced by MWCNT than previously reported temperature-responsive actuators based on shape memory polymers. This simply fabricated temperature indicator can be applied in latching devices for medical and biological fields.
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Affiliation(s)
- Hyunsoo Kim
- Center for Self-powered Actuation and Department of Biomedical Engineering, Hanyang University, Seoul, 04763 South Korea
| | - Jae Ah Lee
- Center for Self-powered Actuation and Department of Biomedical Engineering, Hanyang University, Seoul, 04763 South Korea
- The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083 USA
| | - Hyeon Jun Sim
- Center for Self-powered Actuation and Department of Biomedical Engineering, Hanyang University, Seoul, 04763 South Korea
| | - Márcio D. Lima
- The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083 USA
| | - Ray H. Baughman
- The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083 USA
| | - Seon Jeong Kim
- Center for Self-powered Actuation and Department of Biomedical Engineering, Hanyang University, Seoul, 04763 South Korea
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38
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Gu SY, Jin SP, Liu LL. Polyurethane/polyhedral oligomeric silsesquioxane shape memory nanocomposites with low trigger temperature and quick response. JOURNAL OF POLYMER RESEARCH 2015. [DOI: 10.1007/s10965-015-0779-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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39
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Gu SY, Liu LL, Gao XF. Triple-shape memory properties of polyurethane/polylactide-polytetramethylene ether blends. POLYM INT 2015. [DOI: 10.1002/pi.4886] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Shu-Ying Gu
- School of Materials Science and Engineering; Tongji University; Shanghai 201804 PR China
- Key Laboratory of Advanced Civil Engineering Materials, Ministry of Education, School of Materials Science and Engineering; Tongji University; Shanghai 201804 PR China
| | - Ling-Ling Liu
- School of Materials Science and Engineering; Tongji University; Shanghai 201804 PR China
| | - Xie-Feng Gao
- School of Materials Science and Engineering; Tongji University; Shanghai 201804 PR China
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40
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Ariraman M, Sasikumar R, Alagar M. Shape memory effect on the formation of oxazoline and triazine rings of BCC/DGEBA copolymer. RSC Adv 2015. [DOI: 10.1039/c5ra10373h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The development of shape memory polymer by the copolymerization of 1,3-bis(4-cyanatophenyl) cyclohexane cyanate ester and DGEBA through the formation of oxazoline and triazine ring without using any external flexibilizer/plasticizer.
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Affiliation(s)
- Mathivathanan Ariraman
- Polymer Composites Lab
- Department of Chemical Engineering
- A.C.Tech
- Anna University
- Chennai-600 025
| | - Ramachandran Sasikumar
- Polymer Composites Lab
- Department of Chemical Engineering
- A.C.Tech
- Anna University
- Chennai-600 025
| | - Muthukaruppan Alagar
- Polymer Composites Lab
- Department of Chemical Engineering
- A.C.Tech
- Anna University
- Chennai-600 025
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41
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Gu SY, Gao XF. Improved shape memory performance of star-shaped POSS-polylactide based polyurethanes (POSS-PLAUs). RSC Adv 2015. [DOI: 10.1039/c5ra14742e] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Star-shaped POSS-polylactide based polyurethanes with improved shape fixity ratios (above 99%) and shape recovery ratios (around 84%) are presented.
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Affiliation(s)
- S. Y. Gu
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
- PR China
- Key Laboratory of Advanced Civil Engineering Materials
| | - X. F. Gao
- School of Materials Science and Engineering
- Tongji University
- Shanghai 201804
- PR China
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42
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Shao LN, Dai J, Zhang ZX, Yang JH, Zhang N, Huang T, Wang Y. Thermal and electroactive shape memory behaviors of poly(l-lactide)/thermoplastic polyurethane blend induced by carbon nanotubes. RSC Adv 2015. [DOI: 10.1039/c5ra20632d] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Selectively located CNTs endowed the PLLA/TPU/CNT blend composites with good shape memory behaviors.
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Affiliation(s)
- Li-na Shao
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Jian Dai
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Zhi-xing Zhang
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Jing-hui Yang
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Nan Zhang
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Ting Huang
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
| | - Yong Wang
- School of Materials Science & Engineering
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education)
- Southwest Jiaotong University
- Chengdu
- China
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Ma L, Zhao J, Wang X, Chen M, Liang Y, Wang Z, Yu Z, Hedden RC. Effects of carbon black nanoparticles on two-way reversible shape memory in crosslinked polyethylene. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.11.036] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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