Compatibility and characteristics of poly(butylene succinate) and propylene-co-ethylene copolymer blend

Hung Yi Tsi, Wen Chin Tsen, Yao Chi Shu, Fu Sheng Chuang, Chien Chung Chen

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Propylene-co-ethylene elastomer resin (PER) has been blended into biodegradable poly(butylene succinate) copolymer (PBS) by a melt-blending process to develop a novel semi-biodegradable thermoplastic elastomer. The PBS/PER blends displayed good compatibility in the range 70/30 > PBS/PER > 30/70 according to analyses by DSC, DMA and the Couchman method. Although the PBS/PER blends displayed compatibility, SEM analyses of most of the PBS/PER blends revealed two-phase structures including sea-island and irregular fiber-shaped morphologies, except for PBS/PER (70/30). PBS/PER (60/40) and PBS/PER (50/50) display low tensile strength due to large sea-phase and irregular fiber-shaped morphologies, even though they have good compatibility. PBS/PER (70/30) apparently exhibited a single phase by SEM and showed the best compatibility by DSC and DMA. Furthermore, the tan δ, elongation and initial moduli of the PBS/PER blends were seen to increase with increasing PER content, indicating that the toughness and shock resistance of PBS are improved by incorporating PER into the composition.

Original languageEnglish
Pages (from-to)875-885
Number of pages11
JournalPolymer Testing
Volume28
Issue number8
DOIs
Publication statusPublished - Dec 2009

Fingerprint

Elastomers
Propylene
Ethylene
Copolymers
Resins
Dynamic mechanical analysis
ethylene
poly(butylene-co-propylene succinate)
propylene
Thermoplastic elastomers
Scanning electron microscopy
Fibers
Polymer blends
Phase structure
Toughness
Elongation

Keywords

  • Blends
  • Compatibility
  • Poly(butylene succinate) copolymer
  • Propylene-co-ethylene elastomer

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Compatibility and characteristics of poly(butylene succinate) and propylene-co-ethylene copolymer blend. / Tsi, Hung Yi; Tsen, Wen Chin; Shu, Yao Chi; Chuang, Fu Sheng; Chen, Chien Chung.

In: Polymer Testing, Vol. 28, No. 8, 12.2009, p. 875-885.

Research output: Contribution to journalArticle

Tsi, Hung Yi ; Tsen, Wen Chin ; Shu, Yao Chi ; Chuang, Fu Sheng ; Chen, Chien Chung. / Compatibility and characteristics of poly(butylene succinate) and propylene-co-ethylene copolymer blend. In: Polymer Testing. 2009 ; Vol. 28, No. 8. pp. 875-885.
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AU - Chen, Chien Chung

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AB - Propylene-co-ethylene elastomer resin (PER) has been blended into biodegradable poly(butylene succinate) copolymer (PBS) by a melt-blending process to develop a novel semi-biodegradable thermoplastic elastomer. The PBS/PER blends displayed good compatibility in the range 70/30 > PBS/PER > 30/70 according to analyses by DSC, DMA and the Couchman method. Although the PBS/PER blends displayed compatibility, SEM analyses of most of the PBS/PER blends revealed two-phase structures including sea-island and irregular fiber-shaped morphologies, except for PBS/PER (70/30). PBS/PER (60/40) and PBS/PER (50/50) display low tensile strength due to large sea-phase and irregular fiber-shaped morphologies, even though they have good compatibility. PBS/PER (70/30) apparently exhibited a single phase by SEM and showed the best compatibility by DSC and DMA. Furthermore, the tan δ, elongation and initial moduli of the PBS/PER blends were seen to increase with increasing PER content, indicating that the toughness and shock resistance of PBS are improved by incorporating PER into the composition.

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