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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

  • 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

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.

최근, 플라스틱 남용으로 인해 바이오매스 기반 물질에 대한 연구의 중요성이 증가하고 있는 추세이다. Cellulose acetate butyrate (CAB)는 생분해성의 성질 때문에 재생이 가능하여 잠재성을 가지고 있는 고분자이다. Poly(ethylene-co-isosorbide terephthalate) (PEIT)는 아이소소바이드 모노머로부터 유래된 바이오매스 기반의 고분자이다. 본 연구에서는 다양한 분야에 적용되고 있지만 열안정성이 낮은 CAB에 내열성이 높은 PEIT를 도입하여 용액 블렌딩 방법을 통해 CAB/PEIT 블렌드를 제조하였다. 블렌드의 상용성을 판단하기 위해 모폴로지와 유리전이온도의 거동을 FE-SEM, DMA를 사용하여 분석하였다. TGA 결과는 CAB/PEIT 75/50, 50/50 조성에서 향상된 열적 안정성을 나타내었으며 XRD에서 새로운 결정 구조는 관찰되지 않았다. 결과적으로 CAB/PEIT solution blends는 모든 조성에서 좋은 상용성을 가짐을 확인하였다.

Keywords

References

  1. D. Wang, G. Sun, "Novel Polymer Blends from Polyester and Bio-Based Cellulose Ester", Journal of Applied Polymer Science, Vol.119, pp.2302-3209, 2011 DOI: http://dx.doi.org/10.1002/app.32903
  2. R. Hawk, "What is Cellulose Acetate Butyrate?", wiseGEEK, 2013, Available From : http://www.wisegeek. com/what-is-cellulose-acetate-butyrate.htm, (accessed Oct, 31, 2013)
  3. G. Ceccorulli, M. Pizzoli, M. Scandola, "Effect of a Low Molecular Weight Plasticizer on the Thermal and Viscoelastic Properties of Miscible Blends of Bacterial Poly(3-hydroxybutyrate) with Cellulose Acetate Butyrate", Macromolecules, 26, pp.6722-6726, 1993 DOI: http://dx.doi.org/10.1021/ma00077a005
  4. W. Gindl, J. Keckes, "Tensile Properties of Cellulose Acetate Butyrate Composites Reinforced with Bacterial Cellulose", Composites Science and Technology, vol.64, pp.2407-2413, 2004 DOI: http://dx.doi.org/10.1016/j.compscitech.2004.05.001
  5. J. Laskar, F. Vidal, O. Fichet, C. Gauthier, D. Teyssie, "Synthesis and Characterization of Interpenetrating Networks from Polycarbonate and Cellulose Acetate Butyrate", Polymer, vol.45, pp.5047-5055, 2004 DOI: http://dx.doi.org/10.1016/j.polymer.2004.05.020
  6. J. A. douglas, F. C. Larry, U. Sophie, "Process for Making Poly(ethylene-co-isosorbide terephthalate Polymer", US Patent 6,646,577 BI, 2003
  7. R. M. Gohil, "Properties and Strain Hardneing Character of Polyethylene Terephthalate containing Isosorbide", Polymer Engineering & Science, vol.49, pp.544-553, 2009. DOI: http://dx.doi.org/10.1002/pen.20840
  8. J. C. Bersot, N. Jacquel, R. S. Loup, P. Fuertes, A. Rousseau, J. P. Pascault, R. Spitz, F. Fenouillot, V. Monteil, "Efficiency Increase of Poly(ethylene terephthalate-co-isosorbide terephthalate) Synthesis using Bimetallic Catalytic Systems", Macromolecular Chemistry and Physics, Vol.212, pp.2114-2120, October, 2011. DOI: http://dx.doi.org/10.1002/macp.201100146
  9. J. S. Park, B. U. Nam, "Study on Morphology, Thermal Properties and Miscibility of Isosorbide Based PET/polycarbonate Blends", Applied Chemistry, Vol.17, No.1, pp.5-8, May, 2013.
  10. S. W. Kim, "Preparation and Properties of Solution blended PC/ABS/MMT Nanocomposites", master's dissertation, Hoseo graduate school of venture, 2006
  11. S. K. Kim, I. K. Hong, S. M. Lee, "Compatibilization of Linear PPS/PET Blends with SEBS Copolymers", Polymer(Korea), Vol.37, No.3, pp.405-410, 2013 https://doi.org/10.7317/pk.2013.37.3.405
  12. L. Wang, G. Li, Y. Chen, S. Li, "Structure, Nonisothermal Crystallization Behavior, and Thermal Property Study of Poly(trmethylene terephthalate)/Cellulose Acetate Butyrate Blends", Polymer engineering and science, vol.52, pp.1621-1628, August, 2012 DOI: http://dx.doi.org/10.1002/pen.23105
  13. H. M. Jeong, S. W. Moon, J. Y. Jho, T. O. Ahn, "Miscibility and Crystallization Behavior of Polyesteramide Elastomer/Nylon 6 Blends", Polymer (Korea), Vol.20, No.5, pp.823-831, 1996