1
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Alfano S, Doineau E, Perdrier C, Preziosi-Belloy L, Gontard N, Martinelli A, Grousseau E, Angellier-Coussy H. Influence of the 3-Hydroxyvalerate Content on the Processability, Nucleating and Blending Ability of Poly(3-Hydroxybutyrate- co-3-hydroxyvalerate)-Based Materials. ACS OMEGA 2024; 9:29360-29371. [PMID: 39005805 PMCID: PMC11238206 DOI: 10.1021/acsomega.4c01282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/14/2024] [Accepted: 04/23/2024] [Indexed: 07/16/2024]
Abstract
Poly(3-hydroxybutyrate-co-3-hydroxyvalerate (P(3HB-co-3HV) copolymers are an attractive class of biopolymers whose properties can be tailored by changing the 3-hydroxyvalerate monomer (3HV) concentration, offering the possibility of counteracting problems related to high crystallinity, brittleness, and processability. However, there are few studies about the effects of 3HV content on the processability of copolymers. The present study aims to provide new insights into the effect of 3HV content on the processing step including common practices like compounding, addition of nucleation agents and/or amorphous polymers as plasticizers. P(3HB-co-3HV)-based films containing 3, 18, and 28 mol % 3HV were processed into films by extrusion and subsequent molding. The characterization results confirmed that increasing the 3HV content from 3 to 28 mol % resulted in a decrease in the melting point (from 175 to 100 °C) and an improvement in mechanical properties (i.e., elongation at break from 7 ± 1% to 120 ± 3%). The behavior of P(3HB-co-3HV) in the presence of additives was also investigated. It was shown that an increase in the 3HV content leads to better miscibility with amorphous polymers.
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Affiliation(s)
- Sara Alfano
- Department
of Chemistry, University of Rome La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Estelle Doineau
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
| | - Coline Perdrier
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
| | - Laurence Preziosi-Belloy
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
| | - Nathalie Gontard
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
| | - Andrea Martinelli
- Department
of Chemistry, University of Rome La Sapienza, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Estelle Grousseau
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
| | - Hélène Angellier-Coussy
- JRU
IATE 1208, INRAE, Montpellier SupAgro, University
of Montpellier, CEDEX 02, 34060 Montpellier, France
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2
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Zhou W, Bergsma S, Colpa DI, Euverink GJW, Krooneman J. Polyhydroxyalkanoates (PHAs) synthesis and degradation by microbes and applications towards a circular economy. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 341:118033. [PMID: 37156023 DOI: 10.1016/j.jenvman.2023.118033] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/15/2023] [Accepted: 04/25/2023] [Indexed: 05/10/2023]
Abstract
Overusing non-degradable plastics causes a series of environmental issues, inferring a switch to biodegradable plastics. Polyhydroxyalkanoates (PHAs) are promising biodegradable plastics that can be produced by many microbes using various substrates from waste feedstock. However, the cost of PHAs production is higher compared to fossil-based plastics, impeding further industrial production and applications. To provide a guideline for reducing costs, the potential cheap waste feedstock for PHAs production have been summarized in this work. Besides, to increase the competitiveness of PHAs in the mainstream plastics economy, the influencing parameters of PHAs production have been discussed. The PHAs degradation has been reviewed related to the type of bacteria, their metabolic pathways/enzymes, and environmental conditions. Finally, the applications of PHAs in different fields have been presented and discussed to induce comprehension on the practical potentials of PHAs.
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Affiliation(s)
- Wen Zhou
- Products and Processes for Biotechnology, Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Groningen, the Netherlands
| | - Simon Bergsma
- Products and Processes for Biotechnology, Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Groningen, the Netherlands
| | - Dana Irene Colpa
- Products and Processes for Biotechnology, Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Groningen, the Netherlands
| | - Gert-Jan Willem Euverink
- Products and Processes for Biotechnology, Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Groningen, the Netherlands
| | - Janneke Krooneman
- Products and Processes for Biotechnology, Engineering and Technology Institute Groningen, Faculty of Science and Engineering, University of Groningen, Groningen, the Netherlands; Bioconversion and Fermentation Technology, Research Centre Biobased Economy, Hanze University of Applied Sciences, Groningen, the Netherlands.
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3
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Valorization of starch nanoparticles on microstructural and physical properties of
PLA
‐starch nanocomposites. J Appl Polym Sci 2022. [DOI: 10.1002/app.51757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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4
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Jeepery IF, Sudesh K, Abe H. Miscibility and enzymatic degradability of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)-based polyester blends by PHB depolymerase and lipase. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2021.109692] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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5
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Nikolaivits E, Pantelic B, Azeem M, Taxeidis G, Babu R, Topakas E, Brennan Fournet M, Nikodinovic-Runic J. Progressing Plastics Circularity: A Review of Mechano-Biocatalytic Approaches for Waste Plastic (Re)valorization. Front Bioeng Biotechnol 2021; 9:696040. [PMID: 34239864 PMCID: PMC8260098 DOI: 10.3389/fbioe.2021.696040] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 05/28/2021] [Indexed: 01/10/2023] Open
Abstract
Inspirational concepts, and the transfer of analogs from natural biology to science and engineering, has produced many excellent technologies to date, spanning vaccines to modern architectural feats. This review highlights that answers to the pressing global petroleum-based plastic waste challenges, can be found within the mechanics and mechanisms natural ecosystems. Here, a suite of technological and engineering approaches, which can be implemented to operate in tandem with nature's prescription for regenerative material circularity, is presented as a route to plastics sustainability. A number of mechanical/green chemical (pre)treatment methodologies, which simulate natural weathering and arthropodal dismantling activities are reviewed, including: mechanical milling, reactive extrusion, ultrasonic-, UV- and degradation using supercritical CO2. Akin to natural mechanical degradation, the purpose of the pretreatments is to render the plastic materials more amenable to microbial and biocatalytic activities, to yield effective depolymerization and (re)valorization. While biotechnological based degradation and depolymerization of both recalcitrant and bioplastics are at a relatively early stage of development, the potential for acceleration and expedition of valuable output monomers and oligomers yields is considerable. To date a limited number of independent mechano-green chemical approaches and a considerable and growing number of standalone enzymatic and microbial degradation studies have been reported. A convergent strategy, one which forges mechano-green chemical treatments together with the enzymatic and microbial actions, is largely lacking at this time. An overview of the reported microbial and enzymatic degradations of petroleum-based synthetic polymer plastics, specifically: low-density polyethylene (LDPE), high-density polyethylene (HDPE), polystyrene (PS), polyethylene terephthalate (PET), polyurethanes (PU) and polycaprolactone (PCL) and selected prevalent bio-based or bio-polymers [polylactic acid (PLA), polyhydroxyalkanoates (PHAs) and polybutylene succinate (PBS)], is detailed. The harvesting of depolymerization products to produce new materials and higher-value products is also a key endeavor in effectively completing the circle for plastics. Our challenge is now to effectively combine and conjugate the requisite cross disciplinary approaches and progress the essential science and engineering technologies to categorically complete the life-cycle for plastics.
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Affiliation(s)
- Efstratios Nikolaivits
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | - Brana Pantelic
- Eco-Biotechnology & Drug Development Group, Laboratory for Microbial Molecular Genetics and Ecology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | | | - George Taxeidis
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | - Ramesh Babu
- AMBER Centre, CRANN Institute, School of Chemistry, Trinity College Dublin, Dublin, Ireland
| | - Evangelos Topakas
- Industrial Biotechnology & Biocatalysis Group, Biotechnology Laboratory, School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | | | - Jasmina Nikodinovic-Runic
- Eco-Biotechnology & Drug Development Group, Laboratory for Microbial Molecular Genetics and Ecology, Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
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6
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Nagarajan S, Woo EM. Three-dimensional periodic architecture in Poly(ε-caprolactone) crystallized in bulk aggregates. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.123059] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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7
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Wang G, Liang Y, Jiang M, Zhang Q, Wang R, Wang H, Zhou G. Synthesis and characterization of bio-based polyesters from 2,5-thiophenedicarboxylic acid. Polym Degrad Stab 2019. [DOI: 10.1016/j.polymdegradstab.2019.108942] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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8
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Enhancement of the properties of biosourced poly(3-hydroxybutyrate-co-4-hydroxybutyrate) by the incorporation of natural orotic acid. Int J Biol Macromol 2019; 136:764-773. [PMID: 31226382 DOI: 10.1016/j.ijbiomac.2019.06.056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/03/2019] [Accepted: 06/09/2019] [Indexed: 02/06/2023]
Abstract
The aim of this study is to use natural orotic acid (OA) as a sustainable, environmentally friendly additive to improve the crystallization, rheological, thermal, mechanical, and biodegradation properties of bacterially synthesized poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P34HB). OA was found to be an efficient nucleating agent for P34HB, and dramatically enhanced both non-isothermal and isothermal crystallization rates. The incorporation of OA increased nucleation density and decreased spherulite size, but had little effect on the crystalline structure. The rheological properties of the P34HB were greatly improved by the solid filler OA, particularly when a percolation network structure was formed in the blends. The thermal stability of P34HB was strongly enhanced, as exemplified by the ~23 °C increase in the onset thermal decomposition temperature (To) for the blend loaded with 5 wt% OA compared to that of pure P34HB. Moreover, the yield strength and elongation at break of P34HB containing 0.5 wt% OA increased by 25% and 119%, respectively. The most intriguing result was the clear enhancement in the enzymatic hydrolysis rates of the P34HB/OA blends compared to that of neat P34HB. The synergetic improvement in these properties may be of significant importance for the wider practical application of biosourced P34HB.
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9
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Hu H, Zhang R, Wang J, Ying WB, Zhu J. Fully bio-based poly(propylene succinate-co-propylene furandicarboxylate) copolyesters with proper mechanical, degradation and barrier properties for green packaging applications. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.03.009] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Anbukarasu P, Sauvageau D, Elias AL. Enzymatic degradation of dimensionally constrained polyhydroxybutyrate films. Phys Chem Chem Phys 2018; 19:30021-30030. [PMID: 29094122 DOI: 10.1039/c7cp05133f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The effect of dimensional constraint, imparted by a variation in film thickness, on the enzymatic degradation of polyhydroxybutyrate (PHB) is reported. The characterization of the crystalline structure and the surface topography of solvent-cast PHB thin films revealed strong correlations between film thickness and both crystallinity and crystal anisotropy, with the polymer film becoming more amorphous with decreasing thickness. The enzymatic degradation of the PHB films was characterized using a high precision diffraction metrology, which enabled the visualization of small variations in the degradation behavior. The results show that the degradation rate increases with decreasing thickness due to the corresponding decrease in crystallinity. However, in a nanoscopic ultra-thin PHB specimen, produced by μ-transfer molding, enzymatic degradation was impeded. The enzymatic degradation rate of the PHB films therefore was found to exhibit a discontinuous trend with respect to film thickness: initially increasing as film thickness was reduced, and then decreasing dramatically once the thickness was reduced to tens of nanometers. In this regime, enzymatic degradation was hindered by the absence of crystalline regions in the films. These results show that a nano-dimensional constraint on PHB films can result in specimens with a tunable response to extracellular enzymes.
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Affiliation(s)
- Preetam Anbukarasu
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta, Canada.
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11
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Glova AD, Falkovich SG, Dmitrienko DI, Lyulin AV, Larin SV, Nazarychev VM, Karttunen M, Lyulin SV. Scale-Dependent Miscibility of Polylactide and Polyhydroxybutyrate: Molecular Dynamics Simulations. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b01640] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Artyom D. Glova
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
| | - Stanislav G. Falkovich
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
| | - Daniil I. Dmitrienko
- Faculty
of Physics, Saint-Petersburg University, Ulyanovskaya str. 1, Petrodvorets, 198504 St. Petersburg, Russia
| | - Alexey V. Lyulin
- Theory
of Polymers and Soft Matter Group, Technische Universiteit Eindhoven, PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Sergey V. Larin
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
| | - Victor M. Nazarychev
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
| | - Mikko Karttunen
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
- Department
of Chemistry and Department of Applied Mathematics, Western University, 1151 Richmond St., London, Ontario, Canada N6A 5B7
| | - Sergey V. Lyulin
- Institute
of Macromolecular Compounds, Russian Academy of Sciences, Bolshoj
pr. V.O., 31, 199004 St. Petersburg, Russia
- Faculty
of Physics, Saint-Petersburg University, Ulyanovskaya str. 1, Petrodvorets, 198504 St. Petersburg, Russia
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12
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Koh JJ, Zhang X, He C. Fully biodegradable Poly(lactic acid)/Starch blends: A review of toughening strategies. Int J Biol Macromol 2017; 109:99-113. [PMID: 29248552 DOI: 10.1016/j.ijbiomac.2017.12.048] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 11/27/2017] [Accepted: 12/07/2017] [Indexed: 01/24/2023]
Abstract
Polylactic acid (PLA) and Starch are both bio-based biodegradable polymers that have properties that are complementary to each other. PLA/starch blend exploits the good mechanical property of PLA and the low cost of Starch. However, PLA/Starch blend is intrinsically brittle. This paper reviews the current state of arts in toughening of PLA/Starch blend, which are categorized as: Additive Plasticization, Mixture Softening, Elastomer Toughening and Interphase Compatibilization. These strategies are not mutually exclusive and can be applied jointly in a single blend, opening up a wide range of toughening techniques that can be employed in PLA/Starch blend. Even though significant progress has been made in this area, there is still much room for research, in order to achieve easy to process, fully bio-based and completely biodegradable PLA/Starch blends that have mechanical properties suitable for a wide range of applications.
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Affiliation(s)
- J Justin Koh
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, 117576, Singapore; Singapore Institute of Manufacturing Technology, Agency for Science, Technology and Research (A*STAR), 73 Nanyang Drive, 637662, Singapore
| | - Xiwen Zhang
- Singapore Institute of Manufacturing Technology, Agency for Science, Technology and Research (A*STAR), 73 Nanyang Drive, 637662, Singapore
| | - Chaobin He
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, 117576, Singapore; Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, 138634, Singapore.
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13
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Hou C, Sun X, Ren Z, Li H, Yan S. Polymorphism and Enzymatic Degradation of Poly(1,4-butylene adipate) and Its Binary Blends with Atactic Poly(3-hydroxybutyrate) and Poly(vinyl phenol). Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03706] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chunyue Hou
- State Key Laboratory of Chemical Resource
Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaoli Sun
- State Key Laboratory of Chemical Resource
Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhongjie Ren
- State Key Laboratory of Chemical Resource
Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Huihui Li
- State Key Laboratory of Chemical Resource
Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shouke Yan
- State Key Laboratory of Chemical Resource
Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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14
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Miscibility and toughness improvement of poly(lactic acid)/poly(3-Hydroxybutyrate) blends using a melt-induced degradation approach. JOURNAL OF POLYMER RESEARCH 2017. [DOI: 10.1007/s10965-017-1253-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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16
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Yang X, Clénet J, Xu H, Odelius K, Hakkarainen M. Two Step Extrusion Process: From Thermal Recycling of PHB to Plasticized PLA by Reactive Extrusion Grafting of PHB Degradation Products onto PLA Chains. Macromolecules 2015. [DOI: 10.1021/acs.macromol.5b00235] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Xi Yang
- Department of Fibre and Polymer
Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - Jocelyn Clénet
- Department of Fibre and Polymer
Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - Huan Xu
- Department of Fibre and Polymer
Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - Karin Odelius
- Department of Fibre and Polymer
Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
| | - Minna Hakkarainen
- Department of Fibre and Polymer
Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden
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17
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Miscibility and isothermal crystallization of poly(L-lactide) and poly(trimethylene carbonate) blends. CHINESE JOURNAL OF POLYMER SCIENCE 2015. [DOI: 10.1007/s10118-015-1604-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Rydz J, Sikorska W, Kyulavska M, Christova D. Polyester-based (bio)degradable polymers as environmentally friendly materials for sustainable development. Int J Mol Sci 2014; 16:564-96. [PMID: 25551604 PMCID: PMC4307263 DOI: 10.3390/ijms16010564] [Citation(s) in RCA: 116] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 12/11/2014] [Indexed: 11/16/2022] Open
Abstract
This review focuses on the polyesters such as polylactide and polyhydroxyalkonoates, as well as polyamides produced from renewable resources, which are currently among the most promising (bio)degradable polymers. Synthetic pathways, favourable properties and utilisation (most important applications) of these attractive polymer families are outlined. Environmental impact and in particular (bio)degradation of aliphatic polyesters, polyamides and related copolymer structures are described in view of the potential applications in various fields.
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Affiliation(s)
- Joanna Rydz
- Bulgarian Academy of Sciences, Institute of Polymers, Acad. Georgi Bonchev St., Bl. 103A, Sofia 1113, Bulgaria.
| | - Wanda Sikorska
- Polish Academy of Sciences, Centre of Polymer and Carbon Materials, 34 M. Curie-Sklodowska St., Zabrze 41-800, Poland.
| | - Mariya Kyulavska
- Bulgarian Academy of Sciences, Institute of Polymers, Acad. Georgi Bonchev St., Bl. 103A, Sofia 1113, Bulgaria.
| | - Darinka Christova
- Bulgarian Academy of Sciences, Institute of Polymers, Acad. Georgi Bonchev St., Bl. 103A, Sofia 1113, Bulgaria.
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19
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20
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Ghaffari Mosanenzadeh S, Naguib HE, Park CB, Atalla N. Effect of biopolymer blends on physical and Acoustical properties of biocomposite foams. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/polb.23522] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | - Hani E. Naguib
- Department of Mechanical and Industrial Engineering; University of Toronto; Toronto Canada M5S3G8
| | - Chul B. Park
- Department of Mechanical and Industrial Engineering; University of Toronto; Toronto Canada M5S3G8
| | - Noureddine Atalla
- Groupe d'Acoustique de Vibrations de l'Universite´ de Sherbrooke; Sherbrooke Quebec Canada J1K2R1
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21
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Zhao L, Kong J, Tian X, Zhang J, Qin S. Isothermal crystallization of poly(L-lactide) and poly(butylene adipate) crystalline/crystalline blends. Polym J 2014. [DOI: 10.1038/pj.2014.8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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22
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Jouannin C, Tourné-Péteilh C, Darcos V, Sharkawi T, Devoisselle JM, Gaveau P, Dieudonné P, Vioux A, Viau L. Drug delivery systems based on pharmaceutically active ionic liquids and biocompatible poly(lactic acid). J Mater Chem B 2014; 2:3133-3141. [DOI: 10.1039/c4tb00264d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
API-ILs were encapsulated into biocompatible PLLA. The morphology and crystallinity of the resulting membranes can be tuned by varying the IL nature and content leading to controlled release.
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Affiliation(s)
- Claire Jouannin
- Institut Charles Gerhardt Montpellier
- UMR 5253
- 34095 Montpellier, France
| | | | - Vincent Darcos
- Max Mousseron Institute of Biomolecules
- UMR 5247 CNRS-UM1-UM2
- Faculty of Pharmacy
- 34093 Montpellier, France
| | - Tahmer Sharkawi
- Institut Charles Gerhardt Montpellier
- UMR 5253
- 34095 Montpellier, France
| | | | - Philippe Gaveau
- Institut Charles Gerhardt Montpellier
- UMR 5253
- 34095 Montpellier, France
| | - Philippe Dieudonné
- Laboratoire Charles Coulomb
- UMR CNRS 5521
- Université Montpellier 2
- 34095 Montpellier, France
| | - André Vioux
- Institut Charles Gerhardt Montpellier
- UMR 5253
- 34095 Montpellier, France
| | - Lydie Viau
- Institut Charles Gerhardt Montpellier
- UMR 5253
- 34095 Montpellier, France
- Institut UTINAM
- UMR CNRS 6213, UFR des Sciences et Techniques
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23
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Arias V, Höglund A, Odelius K, Albertsson AC. Tuning the degradation profiles of poly(L-lactide)-based materials through miscibility. Biomacromolecules 2013; 15:391-402. [PMID: 24279455 PMCID: PMC3892759 DOI: 10.1021/bm401667b] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The effective use of biodegradable polymers relies on the ability to control the onset of and time needed for degradation. Preferably, the material properties should be retained throughout the intended time frame, and the material should degrade in a rapid and controlled manner afterward. The degradation profiles of polyester materials were controlled through their miscibility. Systems composed of PLLA blended with poly[(R,S)-3-hydroxybutyrate] (a-PHB) and polypropylene adipate (PPA) with various molar masses were prepared through extrusion. Three different systems were used: miscible (PLLA/a-PHB5 and PLLA/a-PHB20), partially miscible (PLLA/PPA5/comp and PLLA/PPA20/comp), and immiscible (PLLA/PPA5 and PLLA/PPA20) blends. These blends and their respective homopolymers were hydrolytically degraded in water at 37 °C for up to 1 year. The blends exhibited entirely different degradation profiles but showed no diversity between the total degradation times of the materials. PLLA presented a two-stage degradation profile with a rapid decrease in molar mass during the early stages of degradation, similar to the profile of PLLA/a-PHB5. PLLA/a-PHB20 presented a single, constant linear degradation profile. PLLA/PPA5 and PLLA/PPA20 showed completely opposing degradation profiles relative to PLLA, exhibiting a slow initial phase and a rapid decrease after a prolonged degradation time. PLLA/PPA5/comp and PLLA/PPA20/comp had degradation profiles between those of the miscible and the immiscible blends. The molar masses of the materials were approximately the same after 1 year of degradation despite their different profiles. The blend composition and topographical images captured at the last degradation time point demonstrate that the blending component was not leached out during the period of study. The hydrolytic stability of degradable polyester materials can be tailored to obtain different and predetermined degradation profiles for future applications.
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Affiliation(s)
- Veluska Arias
- Department of Fiber and Polymer Technology, KTH Royal Institute of Technology , SE-100 44 Stockholm, Sweden
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Bartczak Z, Galeski A, Kowalczuk M, Sobota M, Malinowski R. Tough blends of poly(lactide) and amorphous poly([R,S]-3-hydroxy butyrate) – morphology and properties. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.07.033] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Zhao L, Peng X, Liu X, Wang Y, Qin S, Zhang J. Miscibility and morphology of binary crystalline blends of poly(L-lactide) and poly(butylene adipate). Polym J 2013. [DOI: 10.1038/pj.2013.10] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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The effects of the low-molecular-weight component on banded spherulites of poly(l-lactic acid). Colloid Polym Sci 2013. [DOI: 10.1007/s00396-012-2886-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abdelwahab MA, Martinelli E, Alderighi M, Grillo Fernandes E, Imam S, Morelli A, Chiellini E. Poly[(R
)-3-hydroxybutyrate)]/poly(styrene) blends compatibilized with the relevant block copolymer. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26358] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Tsuji H, Tashiro K, Bouapao L, Hanesaka M. Separate Crystallization and Cocrystallization of Poly(L
-lactide) in the Presence of L
-Lactide-Based Copolymers With Low Crystallizability, Poly(L
-lactide-co
-glycolide) and Poly(L
-lactide-co
-D
-lactide). MACROMOL CHEM PHYS 2012. [DOI: 10.1002/macp.201200208] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Abdelwahab MA, Flynn A, Chiou BS, Imam S, Orts W, Chiellini E. Thermal, mechanical and morphological characterization of plasticized PLA–PHB blends. Polym Degrad Stab 2012. [DOI: 10.1016/j.polymdegradstab.2012.05.036] [Citation(s) in RCA: 189] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lu X, Zeng JB, Huang CL, Wang YZ. Isothermal Crystallization Behavior of Biodegradable P(BS-b-PEGS) Multiblock Copolymers. Ind Eng Chem Res 2012. [DOI: 10.1021/ie300289b] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xi Lu
- Center for Degradable and Flame-Retardant
Polymeric
Materials (ERCPM-MoE), College of Chemistry, State Key Laboratory
of Polymer Materials Engineering, National Engineering Laboratory
of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Jian-Bing Zeng
- Center for Degradable and Flame-Retardant
Polymeric
Materials (ERCPM-MoE), College of Chemistry, State Key Laboratory
of Polymer Materials Engineering, National Engineering Laboratory
of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Cai-Li Huang
- Center for Degradable and Flame-Retardant
Polymeric
Materials (ERCPM-MoE), College of Chemistry, State Key Laboratory
of Polymer Materials Engineering, National Engineering Laboratory
of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- Center for Degradable and Flame-Retardant
Polymeric
Materials (ERCPM-MoE), College of Chemistry, State Key Laboratory
of Polymer Materials Engineering, National Engineering Laboratory
of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
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Odelius K, Ohlson M, Höglund A, Albertsson A. Polyesters with small structural variations improve the mechanical properties of polylactide. J Appl Polym Sci 2012. [DOI: 10.1002/app.36842] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Karin Odelius
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE‐10044 Stockholm, Sweden
| | - Madelen Ohlson
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE‐10044 Stockholm, Sweden
| | - Anders Höglund
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE‐10044 Stockholm, Sweden
| | - Ann‐Christine Albertsson
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE‐10044 Stockholm, Sweden
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33
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Toda A, Taguchi K, Kajioka H. Growth of banded spherulites of poly(∈-caprolactone) from the blends: An examination of the modeling of spherulitic growth. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.02.030] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Synchronous and separate homo-crystallization of enantiomeric poly(l-lactic acid)/poly(d-lactic acid) blends. POLYMER 2012. [DOI: 10.1016/j.polymer.2011.12.023] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Nurkhamidah S, Woo EM. Cracks and Ring Bands of Poly(3-hydroxybutyrate) on Precrystallized Poly(l-lactic acid) Template. Ind Eng Chem Res 2011. [DOI: 10.1021/ie1024547] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Siti Nurkhamidah
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - E. M. Woo
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
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36
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Kowalczuk MM. Anionic ring-opening polymerization for synthetic analogues of aliphatic biopolyesters. POLYMER SCIENCE SERIES A 2009. [DOI: 10.1134/s0965545x09110078] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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37
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Okamoto K, Ichikawa T, Yokohara T, Yamaguchi M. Miscibility, mechanical and thermal properties of poly(lactic acid)/polyester-diol blends. Eur Polym J 2009. [DOI: 10.1016/j.eurpolymj.2009.05.011] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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38
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Xiao H, Lu W, Yeh JT. Crystallization behavior of fully biodegradable poly(lactic acid)/poly(butylene adipate-co-terephthalate) blends. J Appl Polym Sci 2009. [DOI: 10.1002/app.29800] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Pan P, Liang Z, Zhu B, Dong T, Inoue Y. Blending Effects on Polymorphic Crystallization of Poly(l-lactide). Macromolecules 2009. [DOI: 10.1021/ma8024943] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pengju Pan
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Zhichao Liang
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Bo Zhu
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Tungalag Dong
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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40
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Kikkawa Y, Suzuki T, Kanesato M, Doi Y, Abe H. Effect of Phase Structure on Enzymatic Degradation in Poly(l-lactide)/Atactic Poly(3-hydroxybutyrate) Blends with Different Miscibility. Biomacromolecules 2009; 10:1013-8. [DOI: 10.1021/bm900117j] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yoshihiro Kikkawa
- Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562 Japan, Chemical Analysis Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198 Japan, and Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
| | - Takayuki Suzuki
- Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562 Japan, Chemical Analysis Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198 Japan, and Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
| | - Masatoshi Kanesato
- Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562 Japan, Chemical Analysis Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198 Japan, and Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
| | - Yoshiharu Doi
- Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562 Japan, Chemical Analysis Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198 Japan, and Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
| | - Hideki Abe
- Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562 Japan, Chemical Analysis Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako-shi, Saitama 351-0198 Japan, and Department of Innovative and Engineered Materials, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan
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41
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Ni C, Luo R, Xu K, Chen GQ. Thermal and crystallinity property studies of poly (L-lactic acid) blended with oligomers of 3-hydroxybutyrate or dendrimers of hydroxyalkanoic acids. J Appl Polym Sci 2009. [DOI: 10.1002/app.29182] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Li Y, Liu X, Chao D, Cui L, Zhang W. Morphology and Structure of Ring-banded Spherulites Obtained by Solvent Evaporation in PLLA/PAAC Blend Films. Polym J 2008. [DOI: 10.1295/polymj.pj2008146] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Zhu B, He Y, Nishida H, Yazawa K, Ishii N, Kasuya KI, Inoue Y. Crystalline-Structure-Dependent Enzymatic Degradation of Polymorphic Poly(3-hydroxypropionate). Biomacromolecules 2008; 9:1221-8. [DOI: 10.1021/bm701220x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bo Zhu
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Yong He
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Haruo Nishida
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Koji Yazawa
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Nariaki Ishii
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Ken-ichi Kasuya
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259−B-55, Midori-ku, Yokohama 226-8501, Japan, Eco-Town Collaborative R&D Center for the Environment and Recycling, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatu-ku, Kitakyushu-shi, Fukuoka 808-0196, Japan, and Department of Biological and Chemical Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan
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44
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Luo C, Huang W, Wang H, Han Y. Formation of nonextinct ring-banded textures and multistacked lamella of tetra-aniline-block-poly(L-lactide) rod-coil diblock oligomer films induced by solvent vapor treatment. J Chem Phys 2007; 127:244903. [DOI: 10.1063/1.2812958] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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45
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Lu J, Qiu Z, Yang W. Fully biodegradable blends of poly(l-lactide) and poly(ethylene succinate): Miscibility, crystallization, and mechanical properties. POLYMER 2007. [DOI: 10.1016/j.polymer.2007.05.035] [Citation(s) in RCA: 151] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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46
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Ohtani Y, Okumura K, Kawaguchi A. Crystallization Behavior of Amorphous Poly(l-Lactide). J MACROMOL SCI B 2007. [DOI: 10.1081/mb-120021612] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Yoshitsugu Ohtani
- a Faculty of Science and Engineering , Ritsumeikan University , Shiga, Japan
| | - Kenji Okumura
- a Faculty of Science and Engineering , Ritsumeikan University , Shiga, Japan
| | - Akiyoshi Kawaguchi
- a Faculty of Science and Engineering , Ritsumeikan University , Shiga, Japan
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47
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Kozlowski M, Masirek R, Piorkowska E, Gazicki-Lipman M. Biodegradable blends of poly(L-lactide) and starch. J Appl Polym Sci 2007. [DOI: 10.1002/app.26088] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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48
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Adamus G. Structural analysis of poly[(R,S)-3-hydroxybutyrate-co-L-lactide] copolyesters by electrospray ionization ion trap mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2007; 21:2477-90. [PMID: 17610241 DOI: 10.1002/rcm.3111] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Two random copolyesters of poly[(R,S)-3-hydroxybutyrate-co-L-lactide] (P[(R,S)-3HB-co-LA]), prepared by equimolar reaction of (R,S)-beta-butyrolactone with L-lactic acid and (R,S)-3-hydroxybutyric acid with L-lactide, respectively, were characterized by electrospray ionization ion trap mass spectrometry (ESI-ITMS). Detailed studies of these copolyesters were performed by means of collision-induced dissociation (CID). The molecular architecture of individual copolyester macromolecules, including chemical structures of their end groups (hydroxyl and carboxylate), were established on the basis of their ESI mass spectra. The influence of an intermolecular transesterification reaction on the microstructure of the copolyester synthesized by equimolar reaction of (R,S)-3-hydroxybutyric acid with L-lactide was observed. The mass spectra provided information on sequence distribution and indicated that, despite the synthetic pathway applied, random P[(R,S)-3HB-co-LA] copolyesters were formed predominantly. The arrangements of comonomer structural units along the copolyester chains were evaluated by the respective ESI-MS/MS fragmentation pathways.
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Affiliation(s)
- Grazyna Adamus
- Polish Academy of Sciences, Centre of Polymer and Carbon Materials, 34. M. Curie-Sklodowska St., 41-819 Zabrze, Poland.
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49
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Wang Y, Mano JF. Biodegradable poly(L-lactic acid)/poly(butylene succinate-co-adipate) blends: Miscibility, morphology, and thermal behavior. J Appl Polym Sci 2007. [DOI: 10.1002/app.25049] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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50
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Kikkawa Y, Suzuki T, Tsuge T, Kanesato M, Doi Y, Abe H. Phase structure and enzymatic degradation of poly(L-lactide)/atactic poly(3-hydroxybutyrate) blends: an atomic force microscopy study. Biomacromolecules 2006; 7:1921-8. [PMID: 16768415 DOI: 10.1021/bm0600163] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Phase structures and enzymatic degradation of poly(l-lactide) (PLLA)/atactic poly(3-hydroxybutyrate) (ata-PHB) blends with different compositions were characterized by using atomic force microscopy (AFM). Differential scanning calorimetry (DSC) thermograms of PLLA/ata-PHB blends with different compositions showed two glass transition temperatures, indicating that the PLLA/ata-PHB blends are immiscible in the melt. Surface morphologies of the thin films for PLLA/ata-PHB blends were determined by AFM. Phase separated morphology was recognized from the AFM topography and phase images. The domain size of the components was dependent on the blend ratio. Enzymatic degradation of the PLLA/ata-PHB blends was performed by using both PHB depolymerase and proteinase K. Either PLLA or ata-PHB domains were eroded depending on the kinds of enzyme. Surface morphologies after enzymatic degradation have revealed the phase structure along the depth direction. Enzymatic adsorption of PHB depolymerase was examined on the surface of PLLA/ata-PHB blends. The enzyme molecules were found on both domains of the binary blends. The larger number of enzyme molecules was found on the PLLA domains relative to those on the ata-PHB domains, suggesting the higher affinity of the enzyme against PLLA domain.
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Affiliation(s)
- Yoshihiro Kikkawa
- Nanoarchitectonics Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 4, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan.
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