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Ji G, Sang M, Zhang X, Huang J, Li T, Wang Y, Wang S, Dong W. Soft-hard dual nanophases: a facile strategy for polymer strengthening and toughening. MATERIALS HORIZONS 2024; 11:1426-1434. [PMID: 38264855 DOI: 10.1039/d3mh01763j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Polymers often face a trade-off between stiffness and extensibility-for example, toughening rigid polymers by incorporating plasticizers or flexible polymers leads to strikingly decreased stiffness. Herein, we circumvent this long-standing tricky dilemma in materials science via constructing soft-hard dual nanophases in polymers. As-fabricated dual-nanophase PLA shows a high yield strength of 69.1 ± 4.4 MPa, a large extensibility of 279.1 ± 25.5%, and a super toughness of 115.2 ± 10.3 MJ m-3, which are 1.2, 48 and 82 times, respectively, those of neat PLA. Combined high stiffness, large ductility, and super toughness are unprecedented for PLA and enable bio-sourced PLA to replace petroleum-based resins such as PP, PET and PC. Besides, soft-hard dual nanophases in polymers are rarely reported due to significant constraints in terms of modifier dispersion/aggregation, interfacial regulation, and processing difficulties. The construction strategy described herein, combining controlled annealing and a well-designed plasticizer, can efficiently construct soft-hard dual nanophases in polymers, which will greatly advance the nanostructure design of polymers. More importantly, the proposed strategy for materials design will be widely applicable to industrial manufacturing in terms of nanophase construction and interfacial optimization due to the simplicity and availability at a large scale. We envision that this work offers an innovative and facile strategy to circumvent the trade-off between stiffness and extensibility and to advance the nanostructure design of high-performance polymers in a manner applicable to industrial manufacturing.
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Affiliation(s)
- Guangyao Ji
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Mingyu Sang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Xuhui Zhang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Jing Huang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Ting Li
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Yang Wang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Shibo Wang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
| | - Weifu Dong
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China.
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Electrospun Cyclodextrin/Poly(L-lactic acid) Nanofibers for Efficient Air Filter: Their PM and VOC Removal Efficiency and Triboelectric Outputs. Polymers (Basel) 2023; 15:polym15030722. [PMID: 36772022 PMCID: PMC9921114 DOI: 10.3390/polym15030722] [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: 01/09/2023] [Revised: 01/28/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
In this work, PLLA and CD/PLLA nanofibers were fabricated using electrospinning and utilized as a particulate matter (PM) and volatile organic compounds (VOCs) filter. The electrospun PLLA and CD/PLLA were characterized with various techniques, including SEM, BET, FTIR, XRD, XPS, WCA, DSC, tensile strength testing, PM and VOCs removal efficiency, and triboelectric performance. The results demonstrated that the best air filter was 2.5 wt%CD/PLLA, which performed the highest filtration efficiencies of 96.84 ± 1.51% and 99.38 ± 0.43% for capturing PM2.5 and PM10, respectively. Its PM2.5 removal efficiency was 16% higher than that of pure PLLA, which were contributed by their higher surface area and porosity. These 2.5 wt%CD/PLLA nanofibers also exhibited the highest and the fastest VOC entrapment. For triboelectric outputs, the 2.5 wt%CD/PLLA-based triboelectric nanogenerator provided the highest electrical outputs as 245 V and 84.70 μA. These give rise to a three-fold enhancement of electrical outputs. These results indicated that the 2.5 wt%CD/PLLA can improve surface charge density that could capture more PM via electrostatic interaction under surrounding vibration. Therefore, this study suggested that 2.5 wt%CD/PLLA is a good candidate for a multifunction nanofibrous air filter that offers efficient PM and VOC removal.
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Cyclodextrins Initiated Ring-Opening Polymerization of Lactide Using 4-dimethylaminopyridine (DMAP) as Catalyst: Study of DMAP/β-CD Inclusion Complex and Access to New Structures. Molecules 2022; 27:molecules27031083. [PMID: 35164347 PMCID: PMC8838909 DOI: 10.3390/molecules27031083] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 01/28/2022] [Accepted: 02/03/2022] [Indexed: 01/30/2023] Open
Abstract
Cyclodextrins (CDs) are cyclic oligosaccharides used in many fields. Grafting polymers onto CDs enables new structures and applications to be obtained. Polylactide (PLA) is a biobased, biocompatible aliphatic polyester that can be grafted onto CDs by -OH-initiated ring-opening polymerization. Using 4-dimethylaminopyridine (DMAP) as an organocatalyst, a quantitative functionalization is reached on native α-, β-, γ- and 2,3-dimethyl- β-cyclodextrins. Narrow molecular weight distributions are obtained with the native CDs (dispersity < 1.1). The DMAP/β-CD combination is used as a case study, and the formation of an inclusion complex (1/1) is shown for the first time in the literature, which is fully characterized by NMR. The inclusion of DMAP into the cavity occurs via the secondary rim of the β-CD and the association constant (Ka) is estimated to be 88.2 M−1. Its use as an initiator for ring-opening polymerization leads to a partial functionalization efficiency, and thus a more hydrophilic β-CD-PLA conjugate than that obtained starting from native β-CD. Polymerization results including also the use of the adamantane/β-CD inclusion complex as an initiator suggest that inclusion of the DMAP catalyst into the CD may not occur during polymerization reactions. Rac-lactide does not form an inclusion complex with β-CD.
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Bolskis E, Adomavičiūtė E, Griškonis E. Formation and Investigation of Mechanical, Thermal, Optical and Wetting Properties of Melt-Spun Multifilament Poly(lactic acid) Yarns with Added Rosins. Polymers (Basel) 2022; 14:polym14030379. [PMID: 35160368 PMCID: PMC8839943 DOI: 10.3390/polym14030379] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/07/2022] [Accepted: 01/12/2022] [Indexed: 12/18/2022] Open
Abstract
One method for adding enhancing properties to textile materials is the insertion of natural ingredients into the textile products during the manufacturing or finishing process. The aim of this research is to investigate the formation of biodegradable melt-spun multifilament Poly(lactic acid) (PLA) yarns with different contents (i.e., 5%, 10%, and 15%) of natural material–rosin, also known as colophony. In this study, multifilament yarns were successfully formed from PLA and a natural substance–pine rosin by melt-spinning them at two different draw ratios (i.e., 1.75 and 2.75). The results indicated that a 1.75 draw ratio caused the formation of PLA and PLA/rosin yarns that were brittle. The presence of rosin (i.e., 5% and 10%) in multifilament yarns decreased the mechanical properties of the PLA/rosin melt-spun multifilament yarns’ tenacity (cN/tex), breaking tenacity (cN/tex), and tensile strain (%) and elongation at break (%) and increased absorbance in the entire UV region spectra. In addition, the melting point and degree of crystallinity decreased and there was an increase in the wetting angle compared with pure PLA multifilament. The investigation of melt-spun yarns with Raman spectroscopy proved the presence of rosin in PLA melt-spun yarns.
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Affiliation(s)
- Evaldas Bolskis
- Faculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Str. 56, 51424 Kaunas, Lithuania;
- Correspondence:
| | - Erika Adomavičiūtė
- Faculty of Mechanical Engineering and Design, Kaunas University of Technology, Studentu Str. 56, 51424 Kaunas, Lithuania;
| | - Egidijus Griškonis
- Faculty of Chemical Technology, Kaunas University of Technology, Radvilenu pl. 19, 50254 Kaunas, Lithuania;
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Zhao X, Li J, Liu J, Zhou W, Peng S. Recent progress of preparation of branched poly(lactic acid) and its application in the modification of polylactic acid materials. Int J Biol Macromol 2021; 193:874-892. [PMID: 34728305 DOI: 10.1016/j.ijbiomac.2021.10.154] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/30/2021] [Accepted: 10/20/2021] [Indexed: 01/01/2023]
Abstract
Poly (lactic acid) (PLA) with branched structure has abundant terminal groups, high melt strength, good rheological properties, and excellent processability; it is a new research and application direction of PLA materials. This study mainly summarizes the molecular structure design, preparation methods, basic properties of branched PLA, and its application in modified PLA materials. The structure and properties of branched PLA prepared by ring-opening polymerization of monomer, functional group polycondensation, and chain extender in the processing process were introduced. The research progress of in situ formation of branched PLA by initiators, multifunctional monomers/additives through dynamic vulcanization, and irradiation induction was described. The effect of branched PLA on the structure and properties of linear PLA materials was analyzed. The role of branched PLA in improving the crystallization behavior, phase morphology, foaming properties, and mechanical properties of linear PLA materials was discussed. At the same time, its research progress in biomedicine and tissue engineering was analyzed. Branched PLA has excellent compatibility with PLA, which has important research value in regulating the structure and properties of PLA materials.
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Affiliation(s)
- Xipo Zhao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light-weight Materials and Processing, Hubei University of Technology, Wuhan 430068, China.
| | - Juncheng Li
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light-weight Materials and Processing, Hubei University of Technology, Wuhan 430068, China
| | - Jinchao Liu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light-weight Materials and Processing, Hubei University of Technology, Wuhan 430068, China
| | - Weiyi Zhou
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light-weight Materials and Processing, Hubei University of Technology, Wuhan 430068, China
| | - Shaoxian Peng
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light-weight Materials and Processing, Hubei University of Technology, Wuhan 430068, China.
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Dai J, Tan X, Liang M, Wei D, Tao Y, Ren P, Zhang T. Fabrication of Porous Crystalline PLGA-PEG Induced by Swelling during the Recrystallization Annealing Process. ACS Biomater Sci Eng 2021; 7:5524-5531. [PMID: 34817982 DOI: 10.1021/acsbiomaterials.1c01187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Poly(lactide-co-glycolide) (PLGA) has been widely used as a scaffold material for tissue engineering owing to its biocompatibility, biodegradability, and biosafety. However, lactic acid (LA) produced during PLGA degradation is prone to inflammation, which is a shortcoming that must be avoided. To this end, crystalline PLGA-PEG was synthesized here for the first time. To make the crystalline PLGA-PEG more suitable for tissue engineering, porous crystalline PLGA-PEG was prepared via the swelling behavior during recrystallization annealing. The structure and properties of the porous crystalline PLGA-PEG were confirmed by SEM, POM, and XRD. Furthermore, the swelling behavior of different PEG molecular weights was studied, and the cell viability test and alkaline phosphatase activity test showed that PLGA-PEG has good biocompatibility. Such a porous crystalline PLGA-PEG will make PLGA have a broader application prospect in bone repair.
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Affiliation(s)
- Jidong Dai
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xin Tan
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
| | - Min Liang
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Dandan Wei
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yinhua Tao
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Pengfei Ren
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Tianzhu Zhang
- State Key Lab of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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Lee D, Sun Y, Youe W, Gwon J, Cheng HN, Wu Q. 3D‐printed wood‐polylactic acid‐thermoplastic
starch composites: Performance features in relation to biodegradation treatment. J Appl Polym Sci 2021. [DOI: 10.1002/app.50914] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Danbee Lee
- School of Renewable Natural Resources Louisiana State University AgCenter Baton Rouge Louisiana USA
| | - Yufeng Sun
- School of Renewable Natural Resources Louisiana State University AgCenter Baton Rouge Louisiana USA
- Collaborative Innovation Center of Biomass Energy, College of Mechanical and Electrical Engineering Henan Agricultural University Zhengzhou China
| | - Won‐Jae Youe
- Forest Products Department National Institute of Forest Science Seoul South Korea
| | - Jaegyoung Gwon
- Forest Products Department National Institute of Forest Science Seoul South Korea
| | - Huai N. Cheng
- Southern Regional Research Center USDA Agriculture Research Service New Orleans Louisiana USA
| | - Qinglin Wu
- School of Renewable Natural Resources Louisiana State University AgCenter Baton Rouge Louisiana USA
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Coltelli MB, Bertolini A, Aliotta L, Gigante V, Vannozzi A, Lazzeri A. Chain Extension of Poly(Lactic Acid) (PLA)-Based Blends and Composites Containing Bran with Biobased Compounds for Controlling Their Processability and Recyclability. Polymers (Basel) 2021; 13:3050. [PMID: 34577949 PMCID: PMC8472942 DOI: 10.3390/polym13183050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/18/2021] [Accepted: 08/28/2021] [Indexed: 11/16/2022] Open
Abstract
The present work focused on the research, design, and study of innovative chain extender systems of renewable origin for PLA-based biocomposites, reinforced with wheat bran as filler. The majority of employed chain extender compounds belongs to fossil world, affecting the biodegradability property which characterizes biopolymers. The aim of this work was thus to find promising biobased and sustainable alternatives to provide the same enhancements. According to this objective, epoxidized soybean oil (ESO) was chosen as principal component of the chain extender systems, together with a dicarboxylic acid, malic acid (MA), or succinic acid (SA). The reactivity of the modifier systems was previously studied through thermogravimetric analysis (TGA) and IR spectroscopy, to hypothesize the reaction mechanism in bran-filled blends. Hence, small-scale extrusion was carried out to investigate the effects of ESO/MA and ESO/SA on formulations of different composition (both pure PLA blends and composites). The variation of melt fluidity parameters was analyzed to define the optimized concentration of modifier systems. A comparison between the effects on blends of designed biobased systems and the action of fossil-based Joncryl was performed, to understand if the developed green solutions could represent competitive and efficient substitutes. The modified composites were characterized in terms of mechanical tests, degradation and thermal studies (TGA and DSC), and morphological analysis (SEM), to figure out their main features and to understand their potential in possible industrial applications.
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Affiliation(s)
- Maria-Beatrice Coltelli
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.B.); (L.A.); (V.G.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy;
| | - Alice Bertolini
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.B.); (L.A.); (V.G.); (A.L.)
| | - Laura Aliotta
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.B.); (L.A.); (V.G.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy;
| | - Vito Gigante
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.B.); (L.A.); (V.G.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy;
| | - Alessandro Vannozzi
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy;
| | - Andrea Lazzeri
- Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy; (A.B.); (L.A.); (V.G.); (A.L.)
- National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy;
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Chanthaset N, Ajiro H. Synthetic Biodegradable Polymers with Chain End Modification: Polylactide, Poly(butylene succinate), and Poly(hydroxyalkanoate). CHEM LETT 2021. [DOI: 10.1246/cl.200859] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nalinthip Chanthaset
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Hiroharu Ajiro
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
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Qi L, Zhu Q, Cao D, Liu T, Zhu KR, Chang K, Gao Q. Preparation and Properties of Stereocomplex of Poly(lactic acid) and Its Amphiphilic Copolymers Containing Glucose Groups. Polymers (Basel) 2020; 12:E760. [PMID: 32244536 PMCID: PMC7240496 DOI: 10.3390/polym12040760] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/22/2020] [Accepted: 03/26/2020] [Indexed: 12/24/2022] Open
Abstract
The stereocomplex of poly(lactic acid) containing glucose groups (sc-PLAG) was prepared by solution blending from equal amounts of poly(l-lactic acid) (PLLA) and poly(d-lactic acid-co-glucose) (PDLAG), which were synthesized from l- and d-lactic acid and glucose by melt polycondensation. The methods, including 1H nuclear magnetic resonance spectroscopy (1H NMR), gel permeation chromatography (GPC), differential scanning calorimetry (DSC), X-ray diffraction (XRD), fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), polarizing microscope (POM), scanning electron microscope (SEM), transmission electron microscope (TEM), and contact angle were used to determine the effects of the stereocomplexation of enantiomeric poly(lactic acid) (PLA) units, the amphiphilicity due to glucose residues and lactic acid units, and the interaction of glucose residues with lactic units on the crystallization performance, hydrophilicity, thermal stability, and morphology of samples. The results showed PDLAG was multi-armed, and partial OH groups of glucose residues in PDLAG might remain unreacted. The molecular weight (Mw), dispersity (Ɖ), and glucose proportion in the chain of PDLAG thereby had significant effects on sc-PLAG. There were the stereocomplexation of enantiomeric lactic units and the amphiphilic self-assembly of PDLAG in sc-PLAG, which resulted in glucose groups mainly in the surface phase and lactic units in the bulk phase. The sc-PLAG only possessed the stereocomplex crystal owing to the interaction between nearly equimolar of l-lactic units of PLLA and d-lactic units of PDLAG, and had no homo-crystallites of l- or d-lactic units, which improved the melting temperature (Tm) of sc-PLAG about 50 °C higher than that of PLLA. Glucose groups in sc-PLAG played an important role by forming heterogeneous nucleation, promoting amphiphilic self-assembly, and affecting the ordered arrangement of lactic units. The glass transition temperature (Tg), the melting temperature (Tm), crystallinity, crystallization rate, and water absorption of sc-PLAG showed similar changes with the increased glucose content in feeding. All these parameters increased at first, and the maximum appeared as glucose content in feeding about 2%, such as the maximum crystallinity of 48.8% and the maximum water absorption ratio being 11.7%. When glucose content in feeding continued increasing, all these performances showed a downward trend due to the decrease of arrangement regularity of lactic acid chains caused by glucose groups. Moreover, the contact angle of sc-PLAG decreased gradually with the increased glucose content in feeding to obtain the minimum 77.5° as the glucose content in feeding being 5%, while that of PLLA was 85.0°. The sc-PLAG possessed a regular microsphere structure, and its microspheres with a diameter of about 200 nm could be observed. In conclusion, sc-PLAG containing proper glucose amount could effectively enhance the crystallinity, hydrophilicity, and thermal stability of PLA material, which is useful for drug delivery, a scaffold for tissue engineering, and other applications of biomedicine.
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Affiliation(s)
| | | | | | | | | | | | - Qinwei Gao
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; (L.Q.); (Q.Z.); (D.C.); (T.L.); (K.R.Z.); (K.C.)
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11
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Preparation of High-Elongation and High-Toughness Poly(l-lactide) Using Multi-Arm Methyl-β-Cyclodextrin-Poly(l-lactide). Macromol Res 2019. [DOI: 10.1007/s13233-020-8041-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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He J, Chen J, Lin S, Niu D, Hao J, Jia X, Li N, Gu J, Li Y, Shi J. Synthesis of a Pillar[5]arene-Based Polyrotaxane for Enhancing the Drug Loading Capacity of PCL-Based Supramolecular Amphiphile as an Excellent Drug Delivery Platform. Biomacromolecules 2018; 19:2923-2930. [DOI: 10.1021/acs.biomac.8b00488] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianping He
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jianzhuang Chen
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shaoliang Lin
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Dechao Niu
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jina Hao
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaobo Jia
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Nan Li
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jinlou Gu
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yongsheng Li
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jianlin Shi
- Lab of Low-Dimensional Materials Chemistry, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
- State Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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Preparation of plasticized poly (lactic acid) and its influence on the properties of composite materials. PLoS One 2018; 13:e0193520. [PMID: 29494654 PMCID: PMC5832258 DOI: 10.1371/journal.pone.0193520] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 02/13/2018] [Indexed: 12/02/2022] Open
Abstract
Plasticized poly (lactic acid) (PPLA) was prepared by melt blending poly (lactic acid) (PLA) with 10 wt% of poly (ethylene glycol) (PEG), with varied molecular weights range from 400 to 4000. The structure, thermal property, morphology, and surface free energy of the PPLA were investigated by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimeter (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and contact angles (CA). The resulting PPLA results indicated that the introduction of PEG to the blend systems resulted in a ductile fracture, a decrease in the melt temperature (Tm) and glass transfer temperature (Tg), and an increase in the degree of crystallization (χc), which indicated an improved flexibility. In addition, the polarity of the PPLA increased and the surface free energy decreased. The resulting PPLA was subsequently used as matrix to blend with wood flour to prepare composites. The mechanical strength, melting behavior, thermal stability, and microscopy of the PPLA/wood flour composites were also evaluated. These results illustrated that the plasticized PPLA matrix was beneficial to the interfacial compatibility between the polar filler and the substrate.
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14
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Piperidine-conjugated polyfunctional star-shaped PLLA as a novel bio-based antioxidant additive for bioplastics. Polym Degrad Stab 2017. [DOI: 10.1016/j.polymdegradstab.2017.07.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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15
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Supthanyakul R, Kaabbuathong N, Chirachanchai S. Poly( l -lactide- b -butylene succinate- b - l -lactide) triblock copolymer: A multi-functional additive for PLA/PBS blend with a key performance on film clarity. Polym Degrad Stab 2017. [DOI: 10.1016/j.polymdegradstab.2017.05.029] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Demina TS, Gilman AB, Zelenetskii AN. Application of high-energy chemistry methods to the modification of the structure and properties of polylactide (a review). HIGH ENERGY CHEMISTRY 2017. [DOI: 10.1134/s0018143917040038] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Khamsarn T, Supthanyakul R, Matsumoto M, Chirachanchai S. PLA with high elongation induced by multi-branched poly(ethylene imine) (mPEI) containing poly(l-lactic acid) (PLLA) terminals. POLYMER 2017. [DOI: 10.1016/j.polymer.2016.08.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Greatly enhanced hydrolytic degradation ability of poly(L-lactide) achieved by adding poly(ethylene glycol). CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-017-1904-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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19
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Supthanyakul R, Kaabbuathong N, Chirachanchai S. Random poly(butylene succinate-co-lactic acid) as a multi-functional additive for miscibility, toughness, and clarity of PLA/PBS blends. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.10.006] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Lizundia E, Gómez-Galván F, Pérez-Álvarez L, León L, Vilas J. Poly(L-lactide)/branched β-cyclodextrin blends: Thermal, morphological and mechanical properties. Carbohydr Polym 2016; 144:25-32. [DOI: 10.1016/j.carbpol.2016.02.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 01/26/2016] [Accepted: 02/13/2016] [Indexed: 01/11/2023]
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21
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Mauck SC, Wang S, Ding W, Rohde BJ, Fortune CK, Yang G, Ahn SK, Robertson ML. Biorenewable Tough Blends of Polylactide and Acrylated Epoxidized Soybean Oil Compatibilized by a Polylactide Star Polymer. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02613] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sheli C. Mauck
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - Shu Wang
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - Wenyue Ding
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - Brian J. Rohde
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - C. Karen Fortune
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - Guozhen Yang
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
| | - Suk-Kyun Ahn
- Center
for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
- Department
of Polymer Science and Engineering, Pusan National University, Pusan 609-735, Korea
| | - Megan L. Robertson
- Department
of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-4004, United States
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22
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Nogueira G, Favrelle A, Bria M, Prates Ramalho JP, Mendes PJ, Valente A, Zinck P. Adenine as an organocatalyst for the ring-opening polymerization of lactide: scope, mechanism and access to adenine-functionalized polylactide. REACT CHEM ENG 2016. [DOI: 10.1039/c6re00061d] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Straightforward access to a bioconjugate is reported via adenine initiated ring-opening polymerization without a co-catalyst. The mechanism is elucidated by DFT.
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Affiliation(s)
- Guilherme Nogueira
- Unité de Catalyse et Chimie du Solide (UCCS)
- UMR CNRS 8181, ENSCL
- Université de Lille
- F-59000 Lille
- France
| | - Audrey Favrelle
- Unité de Catalyse et Chimie du Solide (UCCS)
- UMR CNRS 8181, ENSCL
- Université de Lille
- F-59000 Lille
- France
| | - Marc Bria
- Centre Commun de Mesure RMN
- Université de Lille
- F-59000 Lille
- France
| | - João P. Prates Ramalho
- Departamento de Química and Centro de Química de Évora
- Escola de Ciências e Tecnologia
- Universidade de Évora
- 7000-671 Évora
- Portugal
| | - Paulo J. Mendes
- Departamento de Química and Centro de Química de Évora
- Escola de Ciências e Tecnologia
- Universidade de Évora
- 7000-671 Évora
- Portugal
| | - Andreia Valente
- Centro de Química Estrutural
- Faculdade de Ciências da Universidade de Lisboa
- 1749-016 Lisboa
- Portugal
| | - Philippe Zinck
- Unité de Catalyse et Chimie du Solide (UCCS)
- UMR CNRS 8181, ENSCL
- Université de Lille
- F-59000 Lille
- France
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23
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Darie-Niţă RN, Vasile C, Irimia A, Lipşa R, Râpă M. Evaluation of some eco-friendly plasticizers for PLA films processing. J Appl Polym Sci 2015. [DOI: 10.1002/app.43223] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
| | - Cornelia Vasile
- “Petru Poni” Institute of Macromolecular Chemistry; Iasi 700487 Romania
| | - Anamaria Irimia
- “Petru Poni” Institute of Macromolecular Chemistry; Iasi 700487 Romania
| | - Rodica Lipşa
- “Petru Poni” Institute of Macromolecular Chemistry; Iasi 700487 Romania
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24
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Wang Y, Cheng Y, Chen J, Wu D, Qiu Y, Yao X, Zhou Y, Chen C. Percolation networks and transient rheology of polylactide composites containing graphite nanosheets with various thicknesses. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.04.076] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Gardella L, Basso A, Prato M, Monticelli O. On stereocomplexed polylactide materials as support for PAMAM dendrimers: synthesis and properties. RSC Adv 2015. [DOI: 10.1039/c5ra05295e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Synthesis of a PLA-based system capable of supporting dendritic/star-like molecules, combining the properties of the stereocomplex PLA matrix with those of PAMAM dendrimers.
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Affiliation(s)
- Lorenza Gardella
- Dipartimento di Chimica e Chimica Industriale
- Università di Genova
- 16146 Genova
- Italy
| | - Andrea Basso
- Dipartimento di Chimica e Chimica Industriale
- Università di Genova
- 16146 Genova
- Italy
| | - Mirko Prato
- Nanochemistry Department
- Istituto Italiano di Tecnologia
- 16163 Genova
- Italy
| | - Orietta Monticelli
- Dipartimento di Chimica e Chimica Industriale
- Università di Genova
- 16146 Genova
- Italy
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26
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Zou GX, Jiao QW, Zhang X, Zhao CX, Li JC. Crystallization behavior and morphology of poly(lactic acid) with a novel nucleating agent. J Appl Polym Sci 2014. [DOI: 10.1002/app.41367] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Guo-Xiang Zou
- School of Materials Science and Engineering, ChangZhou University; ChangZhou 213164 JiangSu China
| | - Qing-Wei Jiao
- School of Materials Science and Engineering, ChangZhou University; ChangZhou 213164 JiangSu China
| | - Xin Zhang
- School of Materials Science and Engineering, ChangZhou University; ChangZhou 213164 JiangSu China
| | - Cai-Xia Zhao
- School of Materials Science and Engineering, ChangZhou University; ChangZhou 213164 JiangSu China
| | - Jin-Chun Li
- School of Materials Science and Engineering, ChangZhou University; ChangZhou 213164 JiangSu China
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27
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Stanley N, Bucataru G, Miao Y, Favrelle A, Bria M, Stoffelbach F, Woisel P, Zinck P. Brønsted acid-catalyzed polymerization of ε-caprolactone in water: A mild and straightforward route to poly(ε-caprolactone)-graft
-water-soluble polysaccharides. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/pola.27250] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nicholas Stanley
- Unity of Catalysis and Solid State Chemistry, UMR CNRS 8181; University Lille 1, Science and Technology; Bât C7, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
| | - Georgiana Bucataru
- Unity of Catalysis and Solid State Chemistry, UMR CNRS 8181; University Lille 1, Science and Technology; Bât C7, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
| | - Yong Miao
- Unity of Catalysis and Solid State Chemistry, UMR CNRS 8181; University Lille 1, Science and Technology; Bât C7, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
| | - Audrey Favrelle
- Unity of Catalysis and Solid State Chemistry, UMR CNRS 8181; University Lille 1, Science and Technology; Bât C7, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
| | - Marc Bria
- Centre Commun de mesure RMN; Université Lille 1, Science and Technology; Bât C4, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
| | - Francois Stoffelbach
- Sorbonne Universités, UPMC Univ Paris 06, UMR CNRS 8232, IPCM, Chimie des Polymères; F-75005 Paris France
| | - Patrice Woisel
- Unite des Materiaux Et Transformations, UMET, UMR CNRS 8207, Equipe Ingenierie des Systemes Polymeres, Université Lille 1, Science and Technology; 59655 Villeneuve d'Ascq Cédex France
| | - Philippe Zinck
- Unity of Catalysis and Solid State Chemistry, UMR CNRS 8181; University Lille 1, Science and Technology; Bât C7, Cité Scientifique, 59655 Villeneuve d'Ascq Cédex France
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