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Study on compatibility of cellulose ester/poly(ethylene-co-isosorbide terephthalate) solution blends

셀룰로오스 에스터와 Poly(ethylene-co-isosorbide terephthalate) 용액 블렌드의 상용성에 관한 연구

  • Received : 2014.01.28
  • Accepted : 2014.05.08
  • Published : 2014.05.31

Abstract

Recently, Importance of studying based on biomass materials have increased due to the concern about plastic waste problems. Cellulose acetate butyrate (CAB) is a potential alternative to petroleum-based plastics because of its biodegradable property. Poly(ethylene-co-isosorbide terephthalate) (PEIT) is bio-based plastic, produced by isosorbide monomer. In this study, CAB/PEIT blends were prepared by solution blending to improve thermal stability of CAB. CAB and PEIT were dissolved in chloroform, and then precipitated in ethanol. To evaluate the compatibility of CAB/PEIT blends, the morphology and glass transition behaviors were analyzed by FE-SEM and DMA, respectively. TGA results revealed the improved thermal stabilities of the PEIT-rich and 50:50 compositions. No new or changed crystal structures were observed in the XRD result. Finally, CAB/PEIT solution blends showed good compatibility in overall compositions.

Keywords

Bio-based plastic;Cellulose ester;Compatibility;Poly(ethylene-co-isosorbide terephthalate);Solution blend

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