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

Wenfu Zhu, Xiaojuan Wang, Xianyu Chen, Kaitian Xu

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Naturally amorphous biopolyester poly (3-hydroxybutyrate-co-4- hydroxybutyrate) (P3/4HB) containing 21 mol % of 4HB was blended with semi-crystal poly(butylene succinate) (PBS) with an aim to improve the properties of aliphatic polyesters. The effect of PBS contents on miscibility, thermal properties, crystallization kinetics, and mechanical property of the blends was evaluated by DSC, TGA, FTIR, wide-angle X-ray diffractometer (WAXD), Scanning Electron Microscope (SEM), and universal material testing machine. The thermal stability of P3/4HB was enhanced by blending with PBS. When PBS content is less than 30 wt %, the two polymers show better miscibility and their crystallization trend was enhanced by each other. The optimum mechanical properties were observed at the 5-10 wt % PBS blends. However, when the PBS content is more than 30 wt %, phase inversion happened. And the two polymers give lower miscibility and poor mechanical properties.

Original languageEnglish (US)
Pages (from-to)3923-3932
Number of pages10
JournalJournal of Applied Polymer Science
Volume114
Issue number6
DOIs
StatePublished - Dec 15 2009

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Crystallization
Solubility
Mechanical properties
Polymers
Polyesters
Materials testing
Crystallization kinetics
Diffractometers
Thermodynamic stability
Electron microscopes
Thermodynamic properties
Scanning
X rays
Crystals
bionole
poly(3-hydroxybutyrate-co-4-hydroxybutyrate)

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

Cite this

@article{9610314831e14142935a9646143d9276,
title = "Miscibility, crystallization, and mechanical properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/ poly(butylene succinate) blends",
abstract = "Naturally amorphous biopolyester poly (3-hydroxybutyrate-co-4- hydroxybutyrate) (P3/4HB) containing 21 mol {\%} of 4HB was blended with semi-crystal poly(butylene succinate) (PBS) with an aim to improve the properties of aliphatic polyesters. The effect of PBS contents on miscibility, thermal properties, crystallization kinetics, and mechanical property of the blends was evaluated by DSC, TGA, FTIR, wide-angle X-ray diffractometer (WAXD), Scanning Electron Microscope (SEM), and universal material testing machine. The thermal stability of P3/4HB was enhanced by blending with PBS. When PBS content is less than 30 wt {\%}, the two polymers show better miscibility and their crystallization trend was enhanced by each other. The optimum mechanical properties were observed at the 5-10 wt {\%} PBS blends. However, when the PBS content is more than 30 wt {\%}, phase inversion happened. And the two polymers give lower miscibility and poor mechanical properties.",
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Miscibility, crystallization, and mechanical properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/ poly(butylene succinate) blends. / Zhu, Wenfu; Wang, Xiaojuan; Chen, Xianyu; Xu, Kaitian.

In: Journal of Applied Polymer Science, Vol. 114, No. 6, 15.12.2009, p. 3923-3932.

Research output: Contribution to journalArticle

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T1 - Miscibility, crystallization, and mechanical properties of poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/ poly(butylene succinate) blends

AU - Zhu, Wenfu

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AU - Xu, Kaitian

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AB - Naturally amorphous biopolyester poly (3-hydroxybutyrate-co-4- hydroxybutyrate) (P3/4HB) containing 21 mol % of 4HB was blended with semi-crystal poly(butylene succinate) (PBS) with an aim to improve the properties of aliphatic polyesters. The effect of PBS contents on miscibility, thermal properties, crystallization kinetics, and mechanical property of the blends was evaluated by DSC, TGA, FTIR, wide-angle X-ray diffractometer (WAXD), Scanning Electron Microscope (SEM), and universal material testing machine. The thermal stability of P3/4HB was enhanced by blending with PBS. When PBS content is less than 30 wt %, the two polymers show better miscibility and their crystallization trend was enhanced by each other. The optimum mechanical properties were observed at the 5-10 wt % PBS blends. However, when the PBS content is more than 30 wt %, phase inversion happened. And the two polymers give lower miscibility and poor mechanical properties.

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