Miscibility, crystallization, and mechanical properties of poly(3‐hydroxybutyrate‐<i>co</i>‐4‐hydroxybutyrate)/ poly(butylene succinate) blends

Zhu, Wenfu; Wang, Xiaojuan; Chen, Xianyu; Xu, Kan

doi:10.1002/app.30965

Cited by 29 publications

(16 citation statements)

References 25 publications

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“…Nevertheless, after blending with PBS, the thermal stability of PHBV was slightly improved, whereas the thermal stability of PBS was reduced. This was in agreement with the observations reported by Zhu et al ., who also found that the blending of PBS with PHBV led to an enhancement in the thermal stability of the PHBV phase. We believe that the interactions of the PBS and PHBV molecular chains retarded the degradation of PHBV to a certain degree.…”

Section: Resultssupporting

confidence: 93%

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Mechanical and thermal properties of poly(butylene succinate)/poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) biodegradable blends

Phua

Pegoretti

Araujo

et al. 2015

J of Applied Polymer Sci

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Biodegradable polymer blends of poly(butylene succinate) (PBS) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) were prepared with different compositions. The mechanical properties of the blends were studied through tensile testing and dynamic mechanical thermal analysis. The dependence of the elastic modulus and strength data on the blend composition was modeled on the basis of the equivalent box model. The fitting parameters indicated complete immiscibility between PBS and PHBV and a moderate adhesion level between them. The immiscibility of the parent phases was also evidenced by scanning electron observation of the prepared blends. The thermal properties of the blends were studied through differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The DSC results showed an enhancement of the crystallization behavior of PBS after it was blended with PHBV, whereas the thermal stability of PBS was reduced in the blends, as shown by the TGA thermograms. V C 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42815.

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Section: Resultssupporting

confidence: 93%

“…To the best of our knowledge, research on biodegradable blends based on PBS and PHBV has not been extensively reported in the open scientific literature . The miscibility and crystallization behavior of PBS/PHBV blends at different compositions in the range from 80 : 20 to 20 : 80 was investigated by Qiu et al .…”

Section: Introductionmentioning

confidence: 99%

Mechanical and thermal properties of poly(butylene succinate)/poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) biodegradable blends

Phua

Pegoretti

Araujo

et al. 2015

J of Applied Polymer Sci

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“…PHB is a highly biocompatible polymer that is limited in biomedical applications on account of its chemical and physical weaknesses. Some researchers discovered that PHB that mixed with PBS might significantly improve its own thermal stability with better miscibility, and their crystallization trend might be realized when the content of PBS was under 30% . These good physical mixing results have spurred a strong interest in chemically synthesizing PBS‐PHB copolymers.…”

Section: Synthesis Of Polyhydroxyalkanoatesmentioning

confidence: 99%

“…Some researchers discovered that PHB that mixed with PBS might significantly improve its own thermal stability with better miscibility, and their crystallization trend might be realized when the content of PBS was under 30%. [62] These good physical mixing results have spurred a strong interest in chemically synthesizing PBS-PHB copolymers. For example, Candida antarctica lipase B was utilized to facilitate the synthesis of poly(3-hydroxybutyrate-co-succinate) (poly(HB-co-BS)) as enzyme catalysis.…”

Section: Pha/polyester-based Biodegradable Copolymermentioning

confidence: 99%

Recent Progress in Polyhydroxyalkanoates‐Based Copolymers for Biomedical Applications

Luo

Liu

et al. 2019

Biotechnology Journal

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In recent years, naturally biodegradable polyhydroxyalkanoate (PHA) monopolymers have become focus of public attentions due to their good biocompatibility. However, due to its poor mechanical properties, high production costs, and limited functionality, its applications in materials, energy, and biomedical applications are greatly limited. In recent years, researchers have found that PHA copolymers have better thermal properties, mechanical processability, and physicochemical properties relative to their homopolymers. This review summarizes the synthesis of PHA copolymers by the latest biosynthetic and chemical modification methods. The modified PHA copolymer could greatly reduce the production cost with elevated mechanical or physicochemical properties, which can further meet the practical needs of various fields. This review further summarizes the broad applications of modified PHA copolymers in biomedical applications, which might shred lights on their commercial applications.

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“…As plastics, P3/4HB possesses fairly good processing property, but it's high cost and limited mechanical properties hinder its applications. Several modifications have been proposed to improve its mechanical properties, such as chemical modification and physical blending,5 in which physical blending is preferred because of the low‐cost, easy, and fast working techniques 6–9. In recent years, organic–inorganic composites, have received much attention because these materials exhibit unexpected properties.…”

Section: Introductionmentioning

confidence: 99%

Study on short glass fiber‐reinforced poly(3‐hydroxybutyrate‐co‐4‐hydroxybutyrate) composites

Zhang

Yang

Zhang

et al. 2012

J of Applied Polymer Sci

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Biobased non-fossil polyester poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P3/4HB) containing 4.0 mol % 4-hydroxybutyrate (4HB) was melt-mixed with short glass fibers (SGF) via a co-rotating twin-screw extruder. The compositing conditions, average glass fiber length and distribution, thermal, crystallization, and mechanical properties of the P3/4HB/SGF composites were investigated. Calcium stearate, two kinds of paraffin wax and modified ethylene bis-stearamide (TAF) were investigated as lubricants for the P3/4HB/SGF composites. It revealed that TAF is the most efficient lubricant of the P3/4HB/SGF composites. Coupling agents 2,2 0 -(1,3-phenylene)bis-2-oxazoline (1,3-PBO) and pyromellitic dianhydride (PMDA) were used as end-group crosslinkers to reduce the degradation of P3/4HB and increase the mechanical properties of the P3/4HB/SGF composites. It showed that 1,3-PBO is the efficient coupling agent. The optimum condition of the P3/4HB/SGF composites is 1.5 phr TAF, 1.0 phr 1,3-PBO, and 30 wt % glass fiber content. And the maximum of tensile strength, tensile modulus, and impact strength of the composites is 3.7, 6.6, 1.8 times of the neat P3/4HB polymer, respectively. V C 2012 Wiley Periodicals, Inc. J Appl Polym Sci 126: 822-829, 2012

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Miscibility, crystallization, and mechanical properties of poly(3‐hydroxybutyrate‐co‐4‐hydroxybutyrate)/ poly(butylene succinate) blends

Cited by 29 publications

References 25 publications

Mechanical and thermal properties of poly(butylene succinate)/poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) biodegradable blends

Mechanical and thermal properties of poly(butylene succinate)/poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) biodegradable blends

Recent Progress in Polyhydroxyalkanoates‐Based Copolymers for Biomedical Applications

Study on short glass fiber‐reinforced poly(3‐hydroxybutyrate‐co‐4‐hydroxybutyrate) composites

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