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Yao Q, Song Z, Li J, Zhang L. Micromorphology, mechanical, crystallization and permeability properties analysis of HA/PBAT/PLA (HA, hydroxyapatite; PBAT, poly(butylene adipate‐
co
‐butylene terephthalate); PLA, polylactide) degradability packaging films. POLYM INT 2019. [DOI: 10.1002/pi.5953] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Qianru Yao
- College of Light Industry Science and EngineeringTianjin University of Science and Technology Tianjin China
- COFCO Nutrition and Health Research Institute Co. Ltd Beijing China
| | - Zhiyong Song
- College of Light Industry Science and EngineeringTianjin University of Science and Technology Tianjin China
| | - Jie Li
- College of Light Industry Science and EngineeringTianjin University of Science and Technology Tianjin China
| | - Lei Zhang
- College of Light Industry Science and EngineeringTianjin University of Science and Technology Tianjin China
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2
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Phetsuk S, Molloy R, Nalampang K, Meepowpan P, Topham PD, Tighe BJ, Punyodom W. Physical and thermal properties of
l‐
lactide/ϵ‐caprolactone copolymers: the role of microstructural design. POLYM INT 2019. [DOI: 10.1002/pi.5940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Sawarot Phetsuk
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
| | - Robert Molloy
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Kanarat Nalampang
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
| | - Paul D Topham
- Aston Institute of Materials Research, Aston University Birmingham UK
| | - Brian J Tighe
- Chemical Engineering and Applied ChemistryAston University Birmingham UK
| | - Winita Punyodom
- Department of Chemistry, Faculty of ScienceChiang Mai University Chiang Mai Thailand
- Center of Excellence in Materials Science and Technology, Chiang Mai University Chiang Mai Thailand
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3
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Vacaras S, Baciut M, Lucaciu O, Dinu C, Baciut G, Crisan L, Hedesiu M, Crisan B, Onisor F, Armencea G, Mitre I, Barbur I, Kretschmer W, Bran S. Understanding the basis of medical use of poly-lactide-based resorbable polymers and composites – a review of the clinical and metabolic impact. Drug Metab Rev 2019; 51:570-588. [DOI: 10.1080/03602532.2019.1642911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Sergiu Vacaras
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Mihaela Baciut
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Ondine Lucaciu
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Cristian Dinu
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Grigore Baciut
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Liana Crisan
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Mihaela Hedesiu
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Bogdan Crisan
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Florin Onisor
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Gabriel Armencea
- Department of Cranio-Maxillofacial Surgery, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Ileana Mitre
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Ioan Barbur
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Winfried Kretschmer
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Simion Bran
- Department of Oral Rehabilitation, Maxillofacial Surgery and Implantology, “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
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Kong D, Zhang D, Guo H, Zhao J, Wang Z, Hu H, Xu J, Fu C. Functionalized Boron Nitride Nanosheets/Poly(l-lactide) Nanocomposites and Their Crystallization Behavior. Polymers (Basel) 2019; 11:polym11030440. [PMID: 30960424 PMCID: PMC6473543 DOI: 10.3390/polym11030440] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/04/2018] [Accepted: 12/04/2018] [Indexed: 12/02/2022] Open
Abstract
In this work, hydroxyl-functionalized boron nitride nanosheet (OH-BNNS) was prepared and was blended with poly(l-lactide) (PLLA) to yield PLLA/OH-BNNS nanocomposites with excellent dispersion of OH-BNNS via the interaction of carbonyl in PLLA and hydroxyl in OH-BNNS. The effects of OH-BNNS on the crystallization and melting behaviors, isothermal crystallization kinetics, macroscopic crystal morphology and crystal structure of PLLA were studied by means of various techniques. The addition of OH-BNNS nanofillers can effectively accelerate the crystallization of PLLA and enhance the nucleation density, leading to a smaller spherulite size, increased crystallinity, a more obvious crystallization peak upon cooling but weakened cold crystallization behavior upon heating. Low OH-BNNS loading can increase the relative content of α-crystal, but the relative content of less perfect α′-crystal is increased at high OH-BNNS loading due to the strong interaction between PLLA and OH-BNNS.
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Affiliation(s)
- Deyu Kong
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
| | - Deli Zhang
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
| | - Hongge Guo
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
| | - Jian Zhao
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China.
- Key Laboratory of Polymer Processing Engineering (South China University of Technology), Ministry of Education, Guangzhou 510640, China.
| | - Zhaobo Wang
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
| | - Haiqing Hu
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
| | - Junting Xu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
| | - Cuiliu Fu
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China; and School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China.
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China.
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5
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Tsuji H, Tamura KI, Arakawa Y. A versatile strategy for the synthesis and mechanical property manipulation of networked biodegradable polymeric materials composed of well-defined alternating hard and soft domains. RSC Adv 2019; 9:7094-7106. [PMID: 35519995 PMCID: PMC9062625 DOI: 10.1039/c9ra00255c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 02/15/2019] [Indexed: 12/29/2022] Open
Abstract
Networked materials composed of well-defined alternating domains of two types of biodegradable polymers, hard poly(l-lactide) and soft poly(ε-caprolactone), were successfully synthesized.
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Affiliation(s)
- Hideto Tsuji
- Department of Environmental and Life Sciences
- Graduate School of Engineering
- Toyohashi University of Technology
- Toyohashi
- Japan
| | - Ken-ichi Tamura
- Department of Environmental and Life Sciences
- Graduate School of Engineering
- Toyohashi University of Technology
- Toyohashi
- Japan
| | - Yuki Arakawa
- Department of Environmental and Life Sciences
- Graduate School of Engineering
- Toyohashi University of Technology
- Toyohashi
- Japan
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6
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Thermo-responsive alternating conetworks by the Diels-Alder reaction of furan-terminated 4-armed star-shaped ɛ-caprolactone oligomers and maleimide-terminated 4-armed star-shaped l-lactide oligomers. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.07.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Osorio Meléndez D, Castro-Osma JA, Lara-Sánchez A, Rojas RS, Otero A. Ring-opening polymerization and copolymerization of cyclic esters catalyzed by amidinate aluminum complexes. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28629] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Danay Osorio Meléndez
- Nucleus Millennium Chemical Processes and Catalysis (CPC); Laboratorio de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica de Chile; Santiago Chile
| | - José A. Castro-Osma
- Universidad de Castilla-La Mancha; Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Farmacia; Albacete 02071 Spain
| | - Agustín Lara-Sánchez
- Universidad de Castilla-La Mancha; Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Ciencias y Tecnologías Químicas; Ciudad Real 13071 Spain
| | - René S. Rojas
- Nucleus Millennium Chemical Processes and Catalysis (CPC); Laboratorio de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica de Chile; Santiago Chile
| | - Antonio Otero
- Universidad de Castilla-La Mancha; Departamento de Química Inorgánica, Orgánica y Bioquímica-Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Ciencias y Tecnologías Químicas; Ciudad Real 13071 Spain
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8
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Han L, Xu H, Sui X, Zhang L, Zhong Y, Mao Z. Preparation and properties of poly(ε-caprolactone) self-reinforced composites based on fibers/matrix structure. J Appl Polym Sci 2017. [DOI: 10.1002/app.44673] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lei Han
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
| | - Hong Xu
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
| | - Xiaofeng Sui
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
| | - Linping Zhang
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
| | - Yi Zhong
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
| | - Zhiping Mao
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 People's Republic of China
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9
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Shi D, Shen J, Zhao Z, Shi C, Chen M. Studies on Preparation of Poly(3,4-Dihydroxyphenylalanine)-Polylactide Copolymers and the Effect of the Structure of the Copolymers on Their Properties. Polymers (Basel) 2016; 8:polym8030092. [PMID: 30979185 PMCID: PMC6432557 DOI: 10.3390/polym8030092] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/09/2016] [Accepted: 03/10/2016] [Indexed: 11/25/2022] Open
Abstract
Properties of copolymers are generally influenced by the structure of the monomers and polymers. For the purpose of understanding the effect of polymer structure on the properties, two kinds of copolymers, poly(3,4-dihydroxyphenylalanine)-g-polylactide and poly(3,4-dihydroxyphenylalanine)-b-polylactide (PDOPA-g-PLA and PDOPA-b-PLA) were designed and prepared by ring-opening polymerization of lactide with pre-prepared PDOPA as the initiator and the amidation of the functional PLA and PDOPA oligomer, respectively. The molecular weight and composition of the copolymers could be adjusted by changing the molar ratio of LA and DOPA and were confirmed by gel permeation chromatography (GPC) and proton nuclear magnetic resonance (1H NMR) spectra. The obtained copolymers with graft and block structures showed high solubility even in common organic solvents. The effects of the graft and block structures on the thermal and degradation properties were also detected. The PDOPA-g-PLA copolymers showed higher thermal stability than the PDOPA-b-PLA copolymers, due to the PDOPA-g-PLA copolymers with regular structure and strong π-π stacking interactions among the intermolecular and intramolecular chains. In addition, the degradation results showed that the PDOPA-g-PLA copolymers and the copolymers with higher DOPA composition had quicker degradation speeds. Interestingly, both two kinds of copolymers, after degradation, became undissolved in the organic solvents because of the oxidation and crosslinking formation of the catechol groups in the DOPA units during degradation in alkaline solution. Moreover, fluorescent microscopy results showed good biocompatibility of the PDOPA-g-PLA and PDOPA-b-PLA copolymers. The PDOPA and PLA copolymers have the potential applications to the biomedical and industrial fields.
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Affiliation(s)
- Dongjian Shi
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
| | - Jiali Shen
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
| | - Zenghui Zhao
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
| | - Chang Shi
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
| | - Mingqing Chen
- The Key Laboratory of Food Colloids and Biotechnology Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China.
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Conetworks composed of 4-armed star-shaped l-lactide oligomer and 4-armed star-shaped ɛ-caprolactone oligomer. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.07.052] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Synthesis of Bio-Based Poly(lactic acid-co-10-hydroxy decanoate) Copolymers with High Thermal Stability and Ductility. Polymers (Basel) 2015. [DOI: 10.3390/polym7030468] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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12
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13
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Jiao M, Yang K, Cao J, Liu H, Pan W, Gao P. Designing and Characterization of Poly(L-Lactide)/Poly(ϵ-Caprolactone) Multiblock Copolymers. J MACROMOL SCI B 2013. [DOI: 10.1080/00222348.2013.810058] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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14
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Liu M, Cheng Z, Jin Y, Ru X, Ding D, Li J. Optimization and investigation of the governing parameters in electrospinning the home-made poly(l-lactide-co-ε-caprolactone-diOH). J Appl Polym Sci 2013. [DOI: 10.1002/app.39592] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mengzhu Liu
- College of Chemistry; Jilin University; Changchun; 130012; People's Republic of China
| | | | - Yi Jin
- China Criminal Police University; Shenyang; 110035; People's Republic of China
| | - Xin Ru
- College of Chemistry; Jilin University; Changchun; 130012; People's Republic of China
| | - Dawei Ding
- College of Chemistry; Jilin University; Changchun; 130012; People's Republic of China
| | - Junfeng Li
- College of Chemistry; Jilin University; Changchun; 130012; People's Republic of China
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Synthesis, structure and properties of poly(L-lactide-co-ε-caprolactone) statistical copolymers. J Mech Behav Biomed Mater 2012; 9:100-12. [PMID: 22498288 DOI: 10.1016/j.jmbbm.2012.01.003] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Accepted: 01/08/2012] [Indexed: 11/22/2022]
Abstract
Four poly(L-lactide-co-ε-caprolactone) (PLCL) copolymers were synthesized at 120, 130, 140 and 150 °C by ring opening polymerization using stannous octoate catalyst at a 2000:1 comonomer:catalyst ratio. Gel permeation chromatography (GPC) and (1)H NMR measurements were performed to determine the molecular weight, composition and chain microstructure of copolymers of L-lactide(LA):ε-caprolactone(CL) synthesized using 90:10, 80:20, 75:25 and 70:30 feed ratios. The overall conversion of these PLCL copolymers was in the range of 80%-90% leading to weight average molecular weights (M(w)) between 98,500 and 226,000 g mol(-1) depending on feed composition and polymerization temperature. At temperatures lower than 140 °C, the incorporation of CL units into polymer chains was incomplete because of the low reactivity of CL, thus at 120 °C the copolymer composition was difficult to control obtaining more LA in the copolymer than the desired, hence the blocky character of PLCL copolymers also increased. At 150 °C the catalyst was less effective and the molecular weights of the copolymers took lower values. A temperature of 140 °C was established as optimal to obtain highest yields and molecular weight. The number average crystallizable lactide sequence lengths (l(LA)) shifted from 6.5 to 16.7 LA repeat units for PLCL polymerized at 140 °C while the randomness character (R) value shifted from 0.4 for polymerization at 130 °C to 0.6, at 150 °C. Increasing the LA content in the copolymers the glass transition temperature and the crystallizability and melting temperature of PLCLs approached to that of PLLA homopolymer. The aging sensitivity of PLCLs increased with CL content. A double T(g) behavior due to phase separation associated to crystallizing LA blocks was observed during aging. The mechanical properties, however, evolved toward the PLLA character when the molar content of LA in PLCL was increased from 66% to 90%, observing a shift from an elastomeric thermoplastic behavior to that of a glassy plastic, reflected by an increase in tensile modulus (from 12.0 to 1343.1 MPa) and a decrease in strain recovery after break (from 93.5% to 25.0%). Small amounts of CL content in the copolymers produced large improvements in their deformability with regard to PLLA. In addition, thermogravimetric analysis demonstrated that PLCLs are more stable to thermal degradation than PLLA and they undergo a more complex degradation mechanism than those of the corresponding homopolymers.
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Wanamaker CL, Bluemle MJ, Pitet LM, O'Leary LE, Tolman WB, Hillmyer MA. Consequences of polylactide stereochemistry on the properties of polylactide-polymenthide-polylactide thermoplastic elastomers. Biomacromolecules 2010; 10:2904-11. [PMID: 19775147 DOI: 10.1021/bm900721p] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A series of polylactide-polymenthide-polylactide triblock copolymers containing either amorphous poly(D,L-lactide) or semicrystalline, enantiopure poly(L-lactide) or poly(D-lactide) end segments were synthesized. Small-angle X-ray scattering and differential scanning calorimetry data were consistent with microphase separation of these materials. The Young's moduli and ultimate tensile strengths of the semicrystalline triblock copolymers were 2- and 3-fold greater, respectively, than their amorphous analogs. Symmetric (50:50) and asymmetric (95:5) blends of the triblock copolymers containing two different enantomeric forms of the polylactide segments formed stereocomplex crystallites, as revealed by wide-angle X-ray scattering and differential scanning calorimetry. Compared to the enantiopure analogs, these blends exhibited similar ultimate elongations and tensile strengths, but significantly increased Young's moduli. Collectively, these results demonstrate that the properties of these new biorenewable thermoplastic elastomers can be systematically modulated by changing the stereochemistry of the polylactide end blocks.
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Affiliation(s)
- Carolyn L Wanamaker
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, USA
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Synthesis, characterization and thermal properties of a novel star polymer consisting of poly(ε-caprolactone) arms emanating from an octa-functional porphyrazine core. REACT FUNCT POLYM 2009. [DOI: 10.1016/j.reactfunctpolym.2009.05.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Zhang J, Xu J, Wang H, Jin W, Li J. Synthesis of multiblock thermoplastic elastomers based on biodegradable poly (lactic acid) and polycaprolactone. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2009. [DOI: 10.1016/j.msec.2008.08.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Yu T, Ren J, Gu S, Yang M. Preparation and characterization of biodegradable poly(lactic acid)- block-poly( ε-caprolactone) multiblock copolymer. POLYM ADVAN TECHNOL 2009. [DOI: 10.1002/pat.1414] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Xu H, Wang L, Teng C, Yu M. Biodegradable Composites: Ramie Fibre Reinforced PLLA-PCL Composite Prepared by in Situ Polymerization Process. Polym Bull (Berl) 2008. [DOI: 10.1007/s00289-008-0986-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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21
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Yamamoto N, Nakayama A, Oshima M, Kawasaki N, Aiba SI. Enzymatic hydrolysis of lysine diisocyanate based polyurethanes and segmented polyurethane ureas by various proteases. REACT FUNCT POLYM 2007. [DOI: 10.1016/j.reactfunctpolym.2007.08.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Zhao Z, Yang L, Hu Y, He Y, Wei J, Li S. Enzymatic degradation of block copolymers obtained by sequential ring opening polymerization of l-lactide and ɛ-caprolactone. Polym Degrad Stab 2007. [DOI: 10.1016/j.polymdegradstab.2007.07.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Florczak M, Libiszowski J, Mosnacek J, Duda A, Penczek S. L,L-Lactide andɛ-Caprolactone Block Copolymers by a ‘Poly(L,L-lactide) Block First’ Route. Macromol Rapid Commun 2007. [DOI: 10.1002/marc.200700160] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Garkhal K, Verma S, Jonnalagadda S, Kumar N. Fast degradable poly(L-lactide-co-ɛ-caprolactone) microspheres for tissue engineering: Synthesis, characterization, and degradation behavior. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/pola.22031] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Jia Z, Liu C, Huang J. Synthesis of (ABCB)n type ternary amphiphilic multiblock copolymer via poly(ethylene oxide) macro-chain transfer agent. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.09.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Wang W, Ping P, Yu H, Chen X, Jing X. Synthesis and characterization of a novel biodegradable, thermoplastic polyurethane elastomer. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/pola.21643] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Xu H, Luo M, Yu M, Teng C, Xie S. The Effect of Crystallization on the Solid State Polycondensation of Poly(L‐lactic Acid). J MACROMOL SCI B 2006. [DOI: 10.1080/00222340600770400] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Hong Xu
- a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering , Donghua University , Shanghai , P. R. China
| | - Minghua Luo
- a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering , Donghua University , Shanghai , P. R. China
| | - Muhuo Yu
- a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering , Donghua University , Shanghai , P. R. China
| | - Cuiqing Teng
- a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering , Donghua University , Shanghai , P. R. China
| | - Si Xie
- a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering , Donghua University , Shanghai , P. R. China
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Xu H, Teng C, Yu M. Improvements of thermal property and crystallization behavior of PLLA based multiblock copolymer by forming stereocomplex with PDLA oligomer. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.03.090] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Venkataramani S, Kannan T, Radhakrishnan G. Novel AB crosslinked polymer networks based on 1-vinylimidazole- terminated polyurethane and poly(methyl methacrylate). POLYM INT 2006. [DOI: 10.1002/pi.2042] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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