51
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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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52
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Kai W, Hua L, Dong T, Pan P, Zhu B, Inoue Y. Fullerene End-Capped Biodegradable Poly(ɛ-caprolactone). MACROMOL CHEM PHYS 2008. [DOI: 10.1002/macp.200700375] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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53
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Shin KM, Dong T, Yazawa K, Im SS, Inoue Y. Solvent-dependent formation of inclusion complexes between methylated cyclodextrins and biodegradable polymers. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/polb.21422] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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54
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Oliveira FC, Dias ML, Castilho LR, Freire DMG. Characterization of poly(3-hydroxybutyrate) produced by Cupriavidus necator in solid-state fermentation. BIORESOURCE TECHNOLOGY 2007; 98:633-8. [PMID: 16580194 DOI: 10.1016/j.biortech.2006.02.022] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2005] [Revised: 01/09/2006] [Accepted: 02/03/2006] [Indexed: 05/08/2023]
Abstract
Solid-state fermentation (SSF) has recently been proposed as an alternative to submerged fermentation for the production of poly(hydroxyalkanoates). In the present work, X-ray diffraction, differential scanning calorimetry, nuclear magnetic resonance and infrared spectroscopy were employed to investigate the chemical structure, as well as the thermal properties and the crystalline morphology of poly(3-hydroxybutyrate) samples produced by SSF, using as raw material either soy cake or soy cake supplemented with 2.5% (m/m) sugarcane molasses. The results obtained showed that the biopolymer obtained by SSF presented the same properties as commercial PHB, except for the higher molar mass and the lower degree of crystallinity that were observed. Thus, the present data indicate that solid-state fermentation is an interesting alternative for the production of PHB, allowing the production of biopolymers with adequate properties from low-cost, renewable resources.
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Affiliation(s)
- Fabiane C Oliveira
- Federal University of Rio de Janeiro (UFRJ), COPPE/Programa de Engenharia Química, Caixa Postal 68502, 21941-972 Rio de Janeiro, RJ, Brazil
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55
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Alata H, Zhu B, Inoue Y. Miscibility and intermolecular hydrogen-bonding interactions in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)/poly(4-vinyl phenol) binary blends. J Appl Polym Sci 2007. [DOI: 10.1002/app.26884] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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56
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Kai W, Hirota Y, Hua L, Inoue Y. Thermal and mechanical properties of a poly(ε-caprolactone)/graphite oxide composite. J Appl Polym Sci 2007. [DOI: 10.1002/app.27210] [Citation(s) in RCA: 124] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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57
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Pan P, Zhu B, Dong T, Serizawa S, Iji M, Inoue Y. Kenaf fiber/poly(ɛ-caprolactone) biocomposite with enhanced crystallization rate and mechanical properties. J Appl Polym Sci 2007. [DOI: 10.1002/app.27470] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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58
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Luo R, Xu K, Chen GQ. Study of miscibility, crystallization, mechanical properties, and thermal stability of blends of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-4-hydroxybutyrate). J Appl Polym Sci 2007. [DOI: 10.1002/app.26369] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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59
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Li R, Nie K, Pang W, Zhu Q. Morphology and properties of organic–inorganic hybrid materials involving TiO2 and poly(ε-caprolactone), a biodegradable aliphatic polyester. J Biomed Mater Res A 2007; 83:114-22. [PMID: 17385234 DOI: 10.1002/jbm.a.31224] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The novel biodegradable poly(epsilon-caprolactone)/titanium dioxide hybrid materials were prepared via in situ sol-gel process of tetrabutyl titanate (TBT) as inorganic precursor in the presence of PCL. The relationships between morphology, microphase separation, crystalline structure, and properties were investigated by means of XPS, SEM, XRD, DSC, and in vitro degradation test. The microstructures of the bulk hybrids display two-phase microscopic separation on the nanometer scale, which domain is 20-80 nm. The surface morphology and intermolecular bonding interaction are significantly dependent on inorganic component. The relative crystalline degrees of PCL/TiO(2) hybrid nanocomposite materials were controlled by both inorganic component and hydrogen bonding special interaction. The hybrid nanocomposite materials with TiO(2) showed faster biodegradation rate than that of pure PCL itself, and the transparency corresponding to microstructure increase with increase of inorganic component content.
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Affiliation(s)
- Rui Li
- Department of biological and environmental engineering, Hefei University, Hefei 230022, Anhui, People's Republic of China
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60
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Kai W, Hua L, Dong T, Pan P, Zhu B, Inoue Y. Synthesis and characterization of fullerene grafted poly(ɛ-caprolactone). J Appl Polym Sci 2007. [DOI: 10.1002/app.27621] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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61
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Harrane A, Meghabar R, Belbachir M. Kinetics of the ring opening polymerization of ε-caprolactone catalysed by a proton exchanged montmorillonite clay. REACT FUNCT POLYM 2006. [DOI: 10.1016/j.reactfunctpolym.2006.07.006] [Citation(s) in RCA: 21] [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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62
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Isemori Y, Tajima K, Tanaka S, Yu F, Ishida K, Inoue Y. Effects of pH of Fermentation Medium on Biosynthesis of Poly[(3-hydroxybutyrate)-co-(3-mercaptopropionate)] byWautersia eutropha. Macromol Biosci 2006; 6:818-26. [PMID: 17022093 DOI: 10.1002/mabi.200600133] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A series of P(3HB-co-3MP)s with different 3MP unit content was biosynthesized by the fermentation of W. eutropha in a medium containing sodium gluconate and DTDP as carbon sources at different pH conditions ranging from pH 6.0 to 8.0. The P(3HB-co-3MP) samples were fractioned using the solvent/nonsolvent mixed solvent chloroform/heptane and the comonomer unit composition was investigated. It was found that W. eutropha produces P(3HB-co-3MP)s with extremely different 3MP unit content ranging from 3.6 to 70.0 mol-%, depending on the pH value of the fermentation medium. The copolyester samples produced in mild basic medium have a considerably narrower compositional distribution than the samples from acidic medium. The highest polymer yield was obtained at pH 8.0.DSC diagram for P(3HB-co-3MP)s biosynthesized in different pH medium. [graph: see text] DSC diagram for P(3HB-co-3MP)s biosynthesized in different pH medium.
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Affiliation(s)
- Yuichi Isemori
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Yokohama 226-8501, Japan
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63
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Kai W, Hua L, Zhao L, Inoue Y. Synthesis of Novel Star Shaped Poly(ɛ-caprolactone) Utilizing Fullerene as the Molecular Core. Macromol Rapid Commun 2006. [DOI: 10.1002/marc.200600395] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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64
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Rychter P, Biczak R, Herman B, Smyłła A, Kurcok P, Adamus G, Kowalczuk M. Environmental Degradation of Polyester Blends Containing Atactic Poly(3-hydroxybutyrate). Biodegradation in Soil and Ecotoxicological Impact. Biomacromolecules 2006; 7:3125-31. [PMID: 17096541 DOI: 10.1021/bm060708r] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The degradation of poly[(R,S)-3-hydroxybutyrate], a-PHB, binary blends with natural PHB (n-PHB) and poly(L-lactic acid), PLLA, respectively, has been investigated in soil. In such a natural environment, a-PHB blend component was found to biodegrade. The degradation of a-PHB-containing blends proceeded faster than that of respective plain n-PHB and PLLA. The molecular weight decrease of the n-PHB component was higher, while the same rate of bioerosion of both components was observed for the a-PHB/n-PHB binary blend. For the a-PHB blend with PLLA, the weight loss was accompanied by blend composition changes and the decrease of a-PHB content. However, the PLLA molecular weight decrease was lower in the blend in comparison with the plain PLLA sample. The increase of the number of microorganisms particularly observed for the soil where binary blends were incubated indicates that microbial degradation of a-PHB takes place. The terrestrial plant growth test (cress and barley) demonstrates no environmental toxicity of the materials studied.
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Affiliation(s)
- Piotr Rychter
- Institute of Chemistry and Environment Protection, Jan Długosz University, 13/15 Armii Krajowej Avenue, 42-200 Czestochowa, Poland
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65
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Li F, Xu X, Li Q, Li Y, Zhang H, Yu J, Cao A. Thermal degradation and their kinetics of biodegradable poly(butylene succinate-co-butylene terephthate)s under nitrogen and air atmospheres. Polym Degrad Stab 2006. [DOI: 10.1016/j.polymdegradstab.2005.12.005] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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66
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Zagar E, Krzan A, Adamus G, Kowalczuk M. Sequence Distribution in Microbial Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Co-polyesters Determined by NMR and MS. Biomacromolecules 2006; 7:2210-6. [PMID: 16827589 DOI: 10.1021/bm060201g] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The microstructure of bacterial poly(3-hydroxybutyrate-co-3-hydroxyvalerate) copolyesters (PHBV) as well as a mixture of two PHBV copolyesters of different comonomer composition and sequence distribution was studied by 13C NMR based on dyad and triad analysis and multistage electrospray ionization mass spectrometry (ESI-MSn). Both techniques gave results that were in good agreement for all investigated samples. The effect of microstructure on PHBV thermal properties was investigated from the melting behavior of samples. A PHBV copolyester with randomly distributed hydroxyvalerate units (12.0 mol % HV) showed a single melting peak, whereas samples with nonrandom composition distribution showed multiple melting peaks in their thermograms. Such complex melting behavior suggested that the 12.9 and 27.1 mol % PHBV copolyesters were actually blends of several copolymers with widely different comonomer-unit composition.
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Affiliation(s)
- Ema Zagar
- National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia.
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67
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Kai W, Zhao L, Zhu B, Inoue Y. Mechanical Properties of Blends of Double-Fullerene End-Capped Poly(ethylene oxide) and Poly(L-lactic acid). MACROMOL CHEM PHYS 2006. [DOI: 10.1002/macp.200600027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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68
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Shin KM, Dong T, He Y, Inoue Y. Effect of Methylated Cyclodextrins on the Crystallization of Poly(3-hydroxybutyrate). MACROMOL CHEM PHYS 2006. [DOI: 10.1002/macp.200500587] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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69
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Shin KM, Dong T, He Y, Inoue Y. Effect ofβ-Cyclodextrins on the Morphological Change of Poly(3-hydroxybutyrate). MACROMOL CHEM PHYS 2006. [DOI: 10.1002/macp.200500464] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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70
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Alata H, Hexig B, Inoue Y. Effect of poly(vinyl alcohol) fine particles as a novel biodegradable nucleating agent on the crystallization of poly(3-hydroxybutyrate). ACTA ACUST UNITED AC 2006. [DOI: 10.1002/polb.20846] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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71
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Zhou ZX, Wang XL, Wang YZ, Yang KK, Chen SC, Wu G, Li J. Thermal properties and non-isothermal crystallization behavior of biodegradable poly(p-dioxanone)/poly(vinyl alcohol) blends. POLYM INT 2006. [DOI: 10.1002/pi.1904] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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72
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Chen SC, Zhou ZX, Wang YZ, Wang XL, Yang KK. A novel biodegradable poly(p-dioxanone)-grafted poly(vinyl alcohol) copolymer with a controllable in vitro degradation. POLYMER 2006. [DOI: 10.1016/j.polymer.2005.10.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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73
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Zhu B, He Y, Asakawa N, Nishida H, Inoue Y. A New Crystal Form Favored in Low Molecular Weight Biodegradable Poly(3-hydroxypropionate). Macromolecules 2005. [DOI: 10.1021/ma051922v] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [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, and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka, 820-8555, Japan
| | - Yong He
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan, and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka, 820-8555, Japan
| | - Naoki Asakawa
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan, and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka, 820-8555, Japan
| | - Haruo Nishida
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan, and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka, 820-8555, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan, and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka, 820-8555, Japan
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74
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Synthesis and properties of biodegradable elastomeric epoxy modified polyurethanes based on poly(ε-caprolactone) and poly(ethylene glycol). Eur Polym J 2005. [DOI: 10.1016/j.eurpolymj.2005.05.004] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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75
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Amine H, Karima O, El Amine BM, Belbachir M, Meghabar R. Cationic Ring Opening Polymerization of Glycolide Catalysed by a Montmorillonite Clay Catalyst. JOURNAL OF POLYMER RESEARCH 2005. [DOI: 10.1007/s10965-004-0004-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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76
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Zhu B, Tanaka S, Feng L, Ishii N, Kasuya K, Doi Y, Inoue Y. Enzymatic Hydrolysis of Thioester Linkages in Bacterial Poly(3-hydroxybutyrate-co-3-mercaptopropionate)s by Poly(3-hydroxybutyrate) Depolymerase Isolated from Ralstonia pickettii T1. Polym J 2005. [DOI: 10.1295/polymj.37.711] [Citation(s) in RCA: 6] [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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77
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Dong T, He Y, Zhu B, Shin KM, Inoue Y. Nucleation Mechanism of α-Cyclodextrin-Enhanced Crystallization of Some Semicrystalline Aliphatic Polymers. Macromolecules 2005. [DOI: 10.1021/ma050826r] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tungalag Dong
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan
| | - Yong He
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan
| | - Bo Zhu
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan
| | - Kyung-Moo Shin
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan
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78
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Zhu B, He Y, Asakawa N, Yoshie N, Nishida H, Inoue Y. Polymorphic Crystallization and Melting−Recrystallization Behavior of Poly(3-hydroxypropionate). Macromolecules 2005. [DOI: 10.1021/ma050534q] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [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; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Yong He
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Naoki Asakawa
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Naoko Yoshie
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Haruo Nishida
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Midori-ku, Yokohama 226-8501, Japan; Institute of Industrial Science, The University of Tokyo, Komaba 4-6-1, Meguro-Ku, Tokyo 153-8505, Japan; and Molecular Engineering Institute, Kinki University, 11-6, Kayanomori, Iizuka, Fukuoka 820-8555, Japan
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79
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Zhu B, He Y, Asakawa N, Yoshie N, Nishida H, Inoue Y. A New Crystal Form, Polymorphism, and Multi-Morphology in Biodegradable Poly(3-hydroxypropionate). Macromol Rapid Commun 2005. [DOI: 10.1002/marc.200400634] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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80
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Shin KM, Dong T, He Y, Taguchi Y, Oishi A, Nishida H, Inoue Y. Inclusion complex formation between alpha-cyclodextrin and biodegradable aliphatic polyesters. Macromol Biosci 2005; 4:1075-83. [PMID: 15586392 DOI: 10.1002/mabi.200400118] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Inclusion complexes (ICs) between alpha-cyclodextrin (alpha-CD) and three kinds of biodegradable aliphatic polyesters with different sequence lengths of the monomeric repeating units poly(3-hydroxypropionate) [P(3HP)], poly(4-hydroxybutyrate) [P(4HB)] and poly(epsilon-caprolactone)(PCL) were prepared by mixing a solution of alpha-CD with that of the polymer, followed by stirring. The ICs were obtained as insoluble precipitates and characterized by FT-IR, WAXD and DSC. All measurements showed that the polymer chains of all three kinds of polyester were included into the alpha-CD cavity and formed ICs with different stoichiometries. WAXD patterns and thermal analysis indicated that these ICs possessed a channel structure and the crystallization of the polyester chains was suppressed upon inclusion into the alpha-CD cavity.
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Affiliation(s)
- Kyung-Moo Shin
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
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81
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82
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Characteristics and biodegradation properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/organophilic montmorillonite (PHBV/OMMT) nanocomposite. Polym Degrad Stab 2005. [DOI: 10.1016/j.polymdegradstab.2004.07.008] [Citation(s) in RCA: 156] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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83
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Kai W, He Y, Inoue Y. Fast crystallization of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) with talc and boron nitride as nucleating agents. POLYM INT 2005. [DOI: 10.1002/pi.1758] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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84
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Shin KM, Dong T, He Y, Inoue Y. Morphological change of poly (ɛ-caprolactone) with a wide range of molecular weight via formation of inclusion complex with α-cyclodextrin. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/polb.20449] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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85
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Tanaka S, Feng L, Inoue Y. Comparative Study of Effects of Thio/Oxo Ester Linkages on Thermal Properties of Bacterial Poly[3-hydroxybutyrate-co-3-(mercapto/hydroxy)propionate]s. Polym J 2004. [DOI: 10.1295/polymj.36.570] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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86
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Lozano M, Franco L, Rodrı́guez-Galán A, Puiggalı́ J. Poly(ester amide)s derived from 1,4-butanediol, adipic acid and 6-aminohexanoic acid. Polym Degrad Stab 2004. [DOI: 10.1016/j.polymdegradstab.2003.11.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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87
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Ishida K, Inoue Y. Modal Difference in Comonomer-Unit Compositional Distributions of Poly(3-hydroxybutyrate-co-4-hydroxybutyrate)s Biosynthesized by Two Strains, Ralstonia eutropha and Alcaligenes latus. Biomacromolecules 2004; 5:1135-40. [PMID: 15132709 DOI: 10.1021/bm049908y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kazuki Ishida
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
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88
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Feng L, Wang Y, Inagawa Y, Kasuya K, Saito T, Doi Y, Inoue Y. Enzymatic degradation behavior of comonomer compositionally fractionated bacterial poly(3-hydroxybutyrate-co-3-hydroxyvalerate)s by poly(3-hydroxyalkanoate) depolymerases isolated from Ralstonia pickettii T1 and Acidovorax sp. TP4. Polym Degrad Stab 2004. [DOI: 10.1016/j.polymdegradstab.2003.09.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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89
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Zhu B, Li J, He Y, Yamane H, Kimura Y, Nishida H, Inoue Y. Effect of steric hindrance on hydrogen-bonding interaction between polyesters and natural polyphenol catechin. J Appl Polym Sci 2004. [DOI: 10.1002/app.13581] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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90
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Weihua K, He Y, Asakawa N, Inoue Y. Effect of lignin particles as a nucleating agent on crystallization of poly(3-hydroxybutyrate). J Appl Polym Sci 2004. [DOI: 10.1002/app.21204] [Citation(s) in RCA: 97] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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91
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Hexig B, He Y, Asakawa N, Inoue Y. Diphenol miscibility effect on the immiscible polyester/polyether binary blends through intermolecular hydrogen-bonding interaction. ACTA ACUST UNITED AC 2004. [DOI: 10.1002/polb.20162] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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92
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93
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He Y, Inoue Y. α-Cyclodextrin-Enhanced Crystallization of Poly(3-hydroxybutyrate). Biomacromolecules 2003; 4:1865-7. [PMID: 14606920 DOI: 10.1021/bm034260v] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yong He
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan
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94
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Zhou J, Kaga A, Takasu A, Inai Y, Hirabayashi T. Coupling Reaction of Two Kinds of Molecular-Weight Controlled Biodegradable Polymers. Polym J 2003. [DOI: 10.1295/polymj.35.757] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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95
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Ishida K, Wang Y, Inoue Y. Comonomer unit composition and thermal properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate)s biosynthesized by Ralstonia eutropha. Biomacromolecules 2003; 2:1285-93. [PMID: 11777405 DOI: 10.1021/bm010115a] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of poly(3-hydroxybutyrate-co-4-hydroxybutyrate)s [P(3HB-co-4HB)s] with different 4HB content, biosynthesized by Ralstonia eutropha H16 with mixed carbon sources of 4-hydroxybutyric acid (4HBA) and butyric acid, were fractionated by solvent/nonsolvent fractionation into copolyester fractions with different 4HB content and narrower compositional distribution. The fractions obtained were classified into two groups, 3HB- and 4HB-rich P(3HB-co-4HB)s. The thermal properties were investigated for these fractionated copolyesters. With increasing 4HB content, the melting temperature at first decreased while 3HB content was rich, and then increased while 4HB content was rich. The glass transition temperature decreased linearly with increasing 4HB content. The 4HB-rich P(3HB-co-4HB) was found to be immiscible with the 3HB-rich P(3HB-co-4HB), as two glass transitions corresponding to those of respective P(3HB-co-4HB)s were observed by DSC. It was concluded that as-produced bacterial P(3HB-co-4HB) samples used in this study should be considered as immiscible polymer blends.
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Affiliation(s)
- K Ishida
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan
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96
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Li J, Zhu B, He Y, Inoue Y. Thermal and Infrared Spectroscopic Studies on Hydrogen-Bonding Interaction between Poly(3-hydroxybutyrate) and Catechin. Polym J 2003. [DOI: 10.1295/polymj.35.384] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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97
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Na YH, He Y, Shuai X, Kikkawa Y, Doi Y, Inoue Y. Compatibilization effect of poly(epsilon-caprolactone)-b-poly(ethylene glycol) block copolymers and phase morphology analysis in immiscible poly(lactide)/poly(epsilon-caprolactone) blends. Biomacromolecules 2002; 3:1179-86. [PMID: 12425654 DOI: 10.1021/bm020050r] [Citation(s) in RCA: 190] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The miscibility and phase behavior of two stereoisomer forms of poly(lactide) (PLA: poly (L-lactide) (PLLA) and poly(DL-lactide) (PDLLA)) blends with poly(epsilon-caprolactone)-b-poly(ethylene glycol) (PCL-b-PEG) and PCL-b-monomethoxy-PEG (PCL-b-MPEG) block copolymers have been investigated by differential scanning calorimetry (DSC). The DSC thermal behavior of both the blend systems revealed that PLA is miscible with the PEG segment phase of PCL-b-(M)PEG but is still immiscible with its PCL segment phase although PCL was block-copolymerized with PEG. On the basis of these results, PCL-b-PEG was added as a compatibilizer to PLA/PCL binary blends. The improvement in mechanical properties of PLA/PCL blends was achieved as anticipated upon the addition of PCL-b-PEG. In addition, atomic force microscopy (AFM) measurements have been performed in order to study the compositional synergism to be observed in mechanical tests. AFM observations of the morphological dependency on blend composition indicate that PLA/PCL blends are immiscible but compatible to some extent and that synergism of compatibilizing may be maximized in the compositional blend ratio before apparent phase separation and coarsening.
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Affiliation(s)
- Yang-Ho Na
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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98
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Abou-Aiad TH, El-Sabee MZ, Abd-El-Nour KN, Saad GR, El-Sayed ESA, Gaafar EA. Miscibility and the specific interaction of polyhydroxybutyrate blended with polyvinylacetate and poly(vinyl acetate-co-vinyl alcohol) with some biological applications. J Appl Polym Sci 2002. [DOI: 10.1002/app.11137] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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99
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Wang Y, Inagawa Y, Osanai Y, Kasuya KI, Saito T, Matsumura S, Doi Y, Inoue Y. Enzymatic hydrolysis of chemosynthesized atactic poly(3-hydroxybutyrate) by poly(3-hydroxyalkanoate) depolymerase from Acidovorax Sp. TP4 and Ralstonia pickettii T1. Biomacromolecules 2002; 3:894-8. [PMID: 12217032 DOI: 10.1021/bm020052b] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The enzymatic degradability of chemosynthesized atactic poly([R,S]-3-hydroxybutyrate) [a-P(3HB)] by two types of extracellular poly(3-hydroxyalkanoate) (PHA) depolymerases purified from Ralstonia pickettii T1 (PhaZ(ral)) and Acidovorax Sp. TP4 (PhaZ(aci)), defined respectively as PHA depolymerase types I and II according to the position of the lipase box in the catalytic domain, were studied. The enzymatic degradation of a-P(3HB) by PhaZ(aci) depolymerase was confirmed from the results of weight loss and the scanning electron micrographs. The degradation products were characterized by one- and two-dimension (1)H NMR spectroscopy. It was found that a-P(3HB) could be degraded into monomer, dimer, and trimer by PhaZ(aci) depolymerase at temperatures ranging from 4 to 20 degrees C, while a-P(3HB) could hardly be hydrolyzed by PhaZ(ral) depolymerase in the same temperature range. These results suggested that the chemosynthesized a-P(3HB) could be degraded in the pure state by natural PHA depolymerase.
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Affiliation(s)
- Yi Wang
- Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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100
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Wang Y, Inagawa Y, Saito T, Kasuya KI, Doi Y, Inoue Y. Enzymatic hydrolysis of bacterial poly(3-hydroxybutyrate-co-3-hydroxypropionate)s by poly(3-hydroxyalkanoate) depolymerase from Acidovorax Sp. TP4. Biomacromolecules 2002; 3:828-34. [PMID: 12099829 DOI: 10.1021/bm020019p] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Enzymatic degradability has been investigated for a series of bacterial poly(3-hydroxybutyrate-co-3-hydroxypropionate)s (P(3HB-co-3HP)s) with 3-hydroxypropionate (3HP) unit contents from 11 to 86 mol % as well as poly(3-hydroxybutyrate) (P(3HB)) and chemosynthesized poly(3-hydroxypropionate) (P(3HP)). The behavior of degradation by two types of extracellular poly(3-hydroxyalkanoate) (PHA) depolymerases purified from Ralstonia pikettii T1 and Acidovorax Sp. TP4, defined respectively as PHA depolymerase types I and II according to the position of the lipase box in the catalytic domain, were compared in relation to the thermal properties and crystalline structures of the PHA samples elucidated by differential scanning calorimetry and wide-angle X-ray diffraction. The degradation products were characterized by high-performance liquid chromatography and one- (1D) and two-dimension (2D) (1)H NMR spectroscopy. It was found that the PHA depolymerase of Acidovorax Sp. TP4 showed degradation behavior different from that shown by depolymerase of R. pikettii T1. PHA depolymerase from Acidovorax Sp. TP4 degraded the P(3HB-co-3HP) films with lower crystallinity in higher rates than those with higher crystallinity, no matter what kinds of crystalline structures they formed. In contrast, PHA depolymerase from R. pikettii T1 degraded P(3HB-co-3HP) films forming P(3HB) crystalline structure in higher rates than those forming P(3HP)s. The increase in amorphous nature of the P(3HB-co-3HP) films with P(3HB)-homopolymer-like crystalline structure increases and then decreases the rate of degradation by depolymerase from R. pikettii T1. The 3-hydroxybutyrate (3HB) monomer was produced as a major product by the hydrolysis of P(3HB) film by PHA depolymerase from Acidovorax Sp. TP4. The P(3HB-co-3HP) films could be degraded into 3HB and 3-hydroxypropionate (3HP) monomer at last, indicating that the catalytic domain of the enzyme recognized at least two monomeric units as substrates. While the PHA depolymerase from R. pikettii T1 hydrolyzed P(3HB) film into 3HB dimer as a major product, and the catalytic domain recognized at least three monomeric units. The degradation behavior of P(3HB-co-3HP) films by the PHA depolymerase of Acidovorax Sp. TP4 could be distinguished from that by the depolymerase of R. pikettii T1.
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Affiliation(s)
- Yi Wang
- Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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