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

  • Kim, Yeon-Hee (Department of Applied Chemical Engineering, School of Energy.Materials.Chemical Engineering, Korea University of Technology and Education) ;
  • Nam, Byeong-Uk (Department of Applied Chemical Engineering, School of Energy.Materials.Chemical Engineering, Korea University of Technology and Education)
  • 김연희 (한국기술교육대학교 에너지.신소재.화학공학부 응용화학공학과) ;
  • 남병욱 (한국기술교육대학교 에너지.신소재.화학공학부 응용화학공학과)
  • Received : 2014.01.28
  • Accepted : 2014.05.08
  • Published : 2014.05.31


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.


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