Phase transitions and compatibility for biodegradable PLA/PBS blends

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Biodegradable Poly(latic acid)(PLA)/Poly(butylene succinate)(PBS) polyblend herein were blended by a melt-blending process to develop a biodegradable thermal plastic elastomer. The phase transitions and compatibility for PLA/PBS polyblend were tested by DMA and DSC. The PLA/PBS blends on the DSC present three transition regions, PBS glass transition region at -31∼-37° C, PLA glass transition region at 52∼58°C, and PBS melt-crystal region at 108∼110°, which indicating that the PLA/PBS blends occur phase separation resulted from nucleation and growth. The glass transition regions for PLA/PBS blends have no obvious change in the DMA. Thus, the PLA/PBS blends possess two-phase separation morphology due to low compatibility. Furthermore, the Tan δ values were increase with the increase of PBS content, indicating that the toughness and impact resistance for PLA/PBS have obvious improvement.

Original languageEnglish
Title of host publication7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010
PublisherACCM-7 Organizing Committee
Pages1364-1367
Number of pages4
Volume2
ISBN (Print)9781632660756
Publication statusPublished - 2010
Event7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010 - Taipei, Taiwan
Duration: Nov 15 2010Nov 18 2010

Other

Other7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010
CountryTaiwan
CityTaipei
Period11/15/1011/18/10

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Keywords

  • Blends
  • Compatibility
  • Phase separation
  • Poly(butylene succinate)
  • Poly(latic acid)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Tsi, H. Y., Tsen, W. C., Shu, Y. C., Chen, C. C., & Chuang, F. S. (2010). Phase transitions and compatibility for biodegradable PLA/PBS blends. In 7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010 (Vol. 2, pp. 1364-1367). ACCM-7 Organizing Committee.