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Feijoo P, Samaniego-Aguilar K, Sánchez-Safont E, Torres-Giner S, Lagaron JM, Gamez-Perez J, Cabedo L. Development and Characterization of Fully Renewable and Biodegradable Polyhydroxyalkanoate Blends with Improved Thermoformability. Polymers (Basel) 2022; 14:polym14132527. [PMID: 35808571 PMCID: PMC9269288 DOI: 10.3390/polym14132527] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/08/2022] [Accepted: 06/17/2022] [Indexed: 02/01/2023] Open
Abstract
Poly(3-hydroxybutyrate-co-3-valerate) (PHBV), being one of the most studied and commercially available polyhydroxyalkanoates (PHAs), presents an intrinsic brittleness and narrow processing window that currently hinders its use in several plastic applications. The aim of this study was to develop a biodegradable PHA-based blend by combining PHBV with poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH), another copolyester of the PHA family that shows a more ductile behavior. Blends of PHBV with 20% wt., 30% wt., and 40% wt. of PHBH were obtained by melt mixing, processed by cast extrusion in the form of films, and characterized in terms of their morphology, crystallization behavior, thermal stability, mechanical properties, and thermoformability. Full miscibility of both biopolymers was observed in the amorphous phase due to the presence of a single delta peak, ranging from 4.5 °C to 13.7 °C. Moreover, the incorporation of PHBH hindered the crystallization process of PHBV by decreasing the spherulite growth rate from 1.0 µm/min to 0.3 µm/min. However, for the entire composition range studied, the high brittleness of the resulting materials remained since the presence of PHBH did not prevent the PHBV crystalline phase from governing the mechanical behavior of the blend. Interestingly, the addition of PHBH greatly improved the thermoformability by widening the processing window of PHBV by 7 s, as a result of the increase in the melt strength of the blends even for the lowest PHBH content.
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Affiliation(s)
- Patricia Feijoo
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat s/n, 12071 Castelló, Spain; (P.F.); (K.S.-A.); (E.S.-S.); (J.G.-P.)
| | - Kerly Samaniego-Aguilar
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat s/n, 12071 Castelló, Spain; (P.F.); (K.S.-A.); (E.S.-S.); (J.G.-P.)
| | - Estefanía Sánchez-Safont
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat s/n, 12071 Castelló, Spain; (P.F.); (K.S.-A.); (E.S.-S.); (J.G.-P.)
| | - Sergio Torres-Giner
- Novel Materials and Nanotechnology Group, Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC), Calle Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Spain; (S.T.-G.); (J.M.L.)
| | - Jose M. Lagaron
- Novel Materials and Nanotechnology Group, Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC), Calle Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Spain; (S.T.-G.); (J.M.L.)
| | - Jose Gamez-Perez
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat s/n, 12071 Castelló, Spain; (P.F.); (K.S.-A.); (E.S.-S.); (J.G.-P.)
| | - Luis Cabedo
- Polymers and Advanced Materials Group (PIMA), Universitat Jaume I (UJI), Avenida de Vicent Sos Baynat s/n, 12071 Castelló, Spain; (P.F.); (K.S.-A.); (E.S.-S.); (J.G.-P.)
- Correspondence: ; Tel.: +34-964-72-8193
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Kang J, Choi J, Yun SI. Nonsolvent-induced phase separation of poly(3-hydroxybutyrate) and poly(hydroxybutyrate-co-hydroxyvalerate) blend as a facile platform to fabricate versatile nanofiber gels: Aero-, hydro-, and oleogels. Int J Biol Macromol 2021; 173:44-55. [PMID: 33482207 DOI: 10.1016/j.ijbiomac.2021.01.106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/12/2021] [Accepted: 01/16/2021] [Indexed: 10/22/2022]
Abstract
We demonstrated a strategy to prepare different types of 3-D nanofibrous polymeric gels, including hydro-, aero-, and oleogels by nonsolvent-induced phase separation (NIPS). NIPS-derived gel monoliths of poly(3-hydroxybutyrate) (PHB) and poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) blends were converted into hydrogels and aerogels by solvent exchange and freeze-drying, respectively. The high hydrophobicity and porosity of the nanofibrous PHB/PHBV aerogels enabled them to absorb various oils and swell to 20-30 times their own weight. The pseudo-second-order model was successfully used to describe the oil absorption behavior, and the obtained absorption rate constant increased with increasing PHBV content. The oil-swollen aerogels were highly elastic, thereby indicating that NIPS-derived aerogels are an excellent template for the fabrication of oleogels. With an increase in the PHBV ratio, the gels exhibited reduced modulus and collapse strength but increased collapse strain, thereby revealing higher ductility by compression. The rapid separation and re-binding of the liquid phase entrapped in the nanofiber network resulted in the unique thixotropic properties of the hydro- and oleogels. Indomethacin, a hydrophobic model drug, was successfully incorporated into injectable self-healing oleogels containing soybean oil and aerogels. These gels exhibited excellent cytocompatibility, and a better sustained drug release was observed for the oleogels compared to the aerogels.
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Affiliation(s)
- Jiseon Kang
- Department of Chemical Engineering and Materials Science, Sangmyung University, Seoul 03016, Republic of Korea
| | - Jiwon Choi
- Department of Chemical Engineering and Materials Science, Sangmyung University, Seoul 03016, Republic of Korea
| | - Seok Il Yun
- Department of Chemical Engineering and Materials Science, Sangmyung University, Seoul 03016, Republic of Korea.
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Aramvash A, Moazzeni Zavareh F, Gholami Banadkuki N. Comparison of different solvents for extraction of polyhydroxybutyrate from Cupriavidus necator. Eng Life Sci 2017; 18:20-28. [PMID: 32624857 DOI: 10.1002/elsc.201700102] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 08/20/2017] [Accepted: 09/05/2017] [Indexed: 11/10/2022] Open
Abstract
Polyhydroxybutyrate (PHBs) have attracted much attention due to their biodegradability and biocompatibility properties. The main drawback to the commercial production of them is their high cost. The recovery of PHB from bacterial cytoplasm significantly increases total processing costs. Efficient, economical, and environment-friendly extraction of PHB from cells is required for its industrial production. In the present study, several nonhalogenated organic solvents (ethylene carbonate, dimethyl sulfoxide, dimethyl formamide, hexane, propanol, methanol, and acetic acid) were examined for their efficacy regarding recovery at different temperatures from culture broth containing Cupriavidus necator cells. The highest recovery percentage (98.6%) and product purity (up to 98%) were seen to be those of ethylene carbonate-assisted extraction at 150°C within 60 min of incubation time. Average molecular weight of the recovered PHB (1.3 × 106) was not significantly affected by the extraction solvent and conditions. The melting point of PHB extracted using ethylene carbonate was measured to be 176.2°C with an enthalpy of fusion of 16.8% and the corresponding degree of crystallinity of 59.2%. NMR and GC analyses confirmed that the extracted biopolymer was PHB. The presented strategy can help researchers to reduce the cost to obtain the final product.
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Affiliation(s)
- Asieh Aramvash
- Department of Bioscience and Biotechnology Malek-Ashtar University of Technology Tehran Iran
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4
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Moraczewski K. Influence of multiple processing on selected properties of poly(3-hydroxybutyrate-co
-4-hydroxybutyrate). POLYM ADVAN TECHNOL 2015. [DOI: 10.1002/pat.3706] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Krzysztof Moraczewski
- Department of Materials Engineering; Kazimierz Wielki University; Chodkiewicza Str. 30 85-064 Bydgoszcz Poland
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5
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Laycock B, Arcos-Hernandez MV, Langford A, Pratt S, Werker A, Halley PJ, Lant PA. Crystallisation and fractionation of selected polyhydroxyalkanoates produced from mixed cultures. N Biotechnol 2014; 31:345-56. [DOI: 10.1016/j.nbt.2013.05.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 05/07/2013] [Accepted: 05/10/2013] [Indexed: 11/26/2022]
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6
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Yu F, Zhu B, Dong T, Inoue Y. Effect of Comonomer-Unit Compositional Distribution on Thermal and Crystallization Behavior of Bacterial Poly[(3-hydroxybutyrate)-co-(3-mercaptopropionate)]. Macromol Biosci 2009; 9:702-12. [DOI: 10.1002/mabi.200800305] [Citation(s) in RCA: 6] [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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7
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8
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Investigation of water diffusion in poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) by generalized two-dimensional correlation ATR–FTIR spectroscopy. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.01.038] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Yu F, Dong T, Zhu B, Tajima K, Yazawa K, Inoue Y. Mechanical Properties of Comonomer-Compositionally Fractionated Poly[(3-hydroxybutyrate)-co-(3-mercaptopropionate)] with Low 3-Mercaptopropionate Unit Content. Macromol Biosci 2007; 7:810-9. [PMID: 17541927 DOI: 10.1002/mabi.200600295] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The mechanical properties, such as Young's modulus, yield strength, and the elongation at breakage, were investigated for several sulfur-containing biopolymers P(3HB-co-3MP). A series of P(3HB-co-3MP) samples with 3MP unit content ranging from 6.6 to 39.1 mol-% was biosynthesized by fermentation using the PHA-synthesizing bacteria Cupriavidus necator. For comparison, the bacterially synthesized P(3HB) and P(3HB-co-3HP) with the 3HP unit content ranging from 13.1 to 21.1 mol-% were also investigated. It was found that the sulfur-containing P(3HB-co-3MP) is much more durable to stretching. Notably, P(3HB-co-3MP) with the 3MP unit content of only 6.6 mol-% was found to show excellent mechanical properties.
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Affiliation(s)
- Fang Yu
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Nagatsuta 4259-B-55, Yokohama 226-8501, Japan
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10
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Di Lorenzo ML, Raimo M, Cascone E, Martuscelli E. POLY(3-HYDROXYBUTYRATE)-BASED COPOLYMERS AND BLENDS: INFLUENCE OF A SECOND COMPONENT ON CRYSTALLIZATION AND THERMAL BEHAVIOR*. J MACROMOL SCI B 2007. [DOI: 10.1081/mb-100107554] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- M. L. Di Lorenzo
- a Istituto di Ricerca e Tecnologia delle Materie Plastiche (CNR) , Via Toiano, Arco Felice (NA), 6-80072, Italy
| | - M. Raimo
- a Istituto di Ricerca e Tecnologia delle Materie Plastiche (CNR) , Via Toiano, Arco Felice (NA), 6-80072, Italy
| | - E. Cascone
- a Istituto di Ricerca e Tecnologia delle Materie Plastiche (CNR) , Via Toiano, Arco Felice (NA), 6-80072, Italy
| | - E. Martuscelli
- b Istituto di Ricerca e Tecnologia delle Materie Plastiche (CNR) , Via Toiano, Arco Felice (NA), 6-80072, Italy
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11
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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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12
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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: 57] [Impact Index Per Article: 3.2] [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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Hirota Y, Yoshie N, Ishii N, Kasuya KI, Inoue Y. Correlation between Solid-State Structures and Enzymatic Degradability of Cocrystallized Blends. Macromol Biosci 2005; 5:1094-100. [PMID: 16245274 DOI: 10.1002/mabi.200500133] [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: 11/11/2022]
Abstract
Solid-state structures and enzymatic degradability have been investigated for cocrystallized blends between poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [PHBV] and poly(3-hydroxybutyrate-co-3-hydroxypropionate) [PHBP]. From wide-angle X-ray diffraction patterns, small-angle X-ray scattering data, and the comparison of the enzymatic degradability of these blends, the solid-state structures of PHBV/PHBP blend samples, in which the PHBV component has higher isothermal crystal growth rate (G) value than the PHBP one, might be similar to those of the component PHBVs; while those of the PHBP/PHBV blend samples, in which PHBP component has higher G value, were similar to the component PHBPs. Normalized one-dimensional correlation functions gamma(x) of PHBV/PHBP binary blends crystallized at 90 degrees C.
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Affiliation(s)
- Yuuki Hirota
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259-B-55 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
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14
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Yoshie N, Asaka A, Inoue Y. Cocrystallization and Phase Segregation in Crystalline/Crystalline Polymer Blends of Bacterial Copolyesters. Macromolecules 2004. [DOI: 10.1021/ma049858p] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Naoko Yoshie
- Institute of Industrial Science, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan, and Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Akeshi Asaka
- Institute of Industrial Science, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan, and Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Yoshio Inoue
- Institute of Industrial Science, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8505, Japan, and Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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15
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Effect of chemical compositional distribution on solid-state structures and properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate). POLYMER 2004. [DOI: 10.1016/j.polymer.2004.01.025] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Zhang J, McCarthy S, Whitehouse R. Reverse temperature injection molding of Biopol? and effect on its properties. J Appl Polym Sci 2004. [DOI: 10.1002/app.20906] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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In situ FTIR microscope study on crystallization of crystalline/crystalline polymer blends of bacterial copolyesters. POLYMER 2003. [DOI: 10.1016/j.polymer.2003.09.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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18
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Feng L, Watanabe T, He Y, Wang Y, Kichise T, Fukuchi T, Chen GQ, Doi Y, Inoue Y. Phase Behavior and Thermal Properties for Binary Blends of Bacterial Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)s with Narrow-Comonomer-Unit Compositional Distribution. Macromol Biosci 2003. [DOI: 10.1002/mabi.200390040] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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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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20
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Temperature dependence of cocrystallization and phase segregation in blends of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate). POLYMER 2001. [DOI: 10.1016/s0032-3861(01)00408-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Kawai T, Teramachi S, Yokoyama T. Chemical Composition Distribution of Biosynthesized Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Determined by Temperature Rising Elution Fractionation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2001. [DOI: 10.1246/bcsj.74.1751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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22
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Na YH, Arai Y, Asakawa N, Yoshie N, Inoue Y. Phase Behavior and Thermal Properties for Binary Blends of Compositionally Fractionated Poly(3-hydroxybutyrate-co-3-hydroxypropionate)s with Different Comonomer Composition. Macromolecules 2001. [DOI: 10.1021/ma010270h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yang-Ho Na
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Yousuke Arai
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Naoki Asakawa
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Naoko Yoshie
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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23
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Cocrystallization and phase segregation of blends of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate). POLYMER 2001. [DOI: 10.1016/s0032-3861(01)00011-8] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Yamada S, Wang Y, Asakawa N, Yoshie N, Inoue Y. Crystalline Structural Change of Bacterial Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) with Narrow Compositional Distribution. Macromolecules 2001. [DOI: 10.1021/ma002120x] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shino Yamada
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Yi Wang
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Naoki Asakawa
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Naoko Yoshie
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
| | - Yoshio Inoue
- Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan
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25
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Shuai X, He Y, Asakawa N, Inoue Y. Miscibility and phase structure of binary blends of poly(L-lactide) and poly(vinyl alcohol). J Appl Polym Sci 2001. [DOI: 10.1002/app.1493] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Arai Y, Cao A, Yoshie N, Inoue Y. Studies on comonomer compositional distribution and its effect on some physical properties of bacterial poly(3-hydroxybutyric acid-co-3-hydroxypropionic acid). POLYM INT 1999. [DOI: 10.1002/(sici)1097-0126(199912)48:12<1219::aid-pi290>3.0.co;2-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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27
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Abstract
Poly(3-hydroxybutyrate) [P(3HB)] and its copolymers with hydroxyalkanoates are naturally occurring thermoplastic materials produced by bacteria. There are many potential uses for these copolyesters owing to their biodegradability and biocompatibility. The physical properties of the copolyesters vary depending on the chemical structure as well as the composition of the comonomers. Usually, we expect, copolymers to have a narrow chemical composition distribution (CCD). Several reports, however, have pointed out that some bacterial copolyesters have broad and/or multimodal CCD. Fractionation based on the chemical composition has also been reported for several bacterial copolyester samples. In this review, the literature concerning CCD and fractionation based on chemical composition is summarized. The width of CCD is approximated based on the data of diad sequence distribution. Generality of the complex CCD in bacterial copolyesters is also discussed.
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Affiliation(s)
- N Yoshie
- Department of Biomolecular Engineering, Tokyo Institute of Technology, Yokohama, Japan.
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28
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Ikejima T, Cao A, Yoshie N, Inoue Y. Surface composition and biodegradability of poly(3-hydroxybutyric acid)/poly(vinyl alcohol) blend films. Polym Degrad Stab 1998. [DOI: 10.1016/s0141-3910(98)00029-9] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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29
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Madden LA, Anderson AJ, Asrar J. Synthesis and Characterization of Poly(3-hydroxybutyrate) and Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Polymer Mixtures Produced in High-Density Fed-Batch Cultures of Ralstonia eutropha (Alcaligenes eutrophus). Macromolecules 1998. [DOI: 10.1021/ma980606w] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Leigh A. Madden
- Department of Biological Sciences, University of Hull, Hull HU6 7RX, U.K
| | | | - Jawed Asrar
- Monsanto Company, 800 N. Lindbergh Boulevard, St. Louis, Missouri 63167
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30
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31
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Inoue Y. Biodegradable polymers. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s0167-6881(98)80029-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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32
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Cao A, Ichikawa M, Kasuya KI, Yoshie N, Asakawa N, Inoue Y, Doi Y, Abe H. Composition Fractionation and Thermal Characterization of Poly(3-hydroxybutyrate-co-3-hydroxypropionate). Polym J 1996. [DOI: 10.1295/polymj.28.1096] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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