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

Zhifang Yu, Yaya Yang, Linlin Zhang, Yongchao Ding, Xiangming Chen, Kaitian Xu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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'-(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.

Original languageEnglish (US)
Pages (from-to)822-829
Number of pages8
JournalJournal of Applied Polymer Science
Volume126
Issue number3
DOIs
StatePublished - Nov 5 2012

Fingerprint

Hydroxybutyrates
Glass fibers
Composite materials
Coupling agents
Lubricants
Calcium stearate
Paraffin waxes
Mechanical properties
fiberglass
poly(3-hydroxybutyrate-co-4-hydroxybutyrate)
Polyesters
Impact strength
Extruders
Crystallization
Ethylene
Tensile strength
Elastic moduli
Polymers
Degradation

All Science Journal Classification (ASJC) codes

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

Cite this

Yu, Zhifang ; Yang, Yaya ; Zhang, Linlin ; Ding, Yongchao ; Chen, Xiangming ; Xu, Kaitian. / Study on short glass fiber-reinforced poly(3-hydroxybutyrate-co-4- hydroxybutyrate) composites. In: Journal of Applied Polymer Science. 2012 ; Vol. 126, No. 3. pp. 822-829.
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Study on short glass fiber-reinforced poly(3-hydroxybutyrate-co-4- hydroxybutyrate) composites. / Yu, Zhifang; Yang, Yaya; Zhang, Linlin; Ding, Yongchao; Chen, Xiangming; Xu, Kaitian.

In: Journal of Applied Polymer Science, Vol. 126, No. 3, 05.11.2012, p. 822-829.

Research output: Contribution to journalArticle

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