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Effect of Nanocellulose and Aminated Starch on Tensile and Thermal Properties of Plasticized Starch Film

가소화 전분필름의 강도 및 열적 성질에 미치는 나노셀룰로오스 및 아민화전분의 첨가영향

  • Kim, Bo-Yeon (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Han, Song-Yi (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Lee, Sung-Yong (Department of Forest Products, Korea Forest Reserch Institute) ;
  • Kim, Young-Kyoon (Department of Forest Products and Life Science, College of Forest Science, Kookmin University) ;
  • Kim, Nam-Hun (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University) ;
  • Lee, Seung-Hwan (Department of Forest Biomaterials Engineering, College of Forest and Environmental Sciences, Kangwon National University)
  • 김보연 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 한송이 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 이선영 (국립산림과학원 임산공학부) ;
  • 김영균 (국민대학교 삼림과학대학 임산생명공학과) ;
  • 김남훈 (강원대학교 산림환경과학대학 산림바이오소재공학과) ;
  • 이승환 (강원대학교 산림환경과학대학 산림바이오소재공학과)
  • Received : 2014.02.20
  • Accepted : 2014.03.12
  • Published : 2014.07.25

Abstract

This study investigated the effect of nanocellulose, such as microfibrillated cellulose (MFC) and cellulose nanocrystal (CNC), and aminated starch on tensile property and thermal stability of plasticized starch film. Glycerol (23 wt%) was used as a plasticizer and nanocelluloses of 1-30 parts per hundred parts of resin (phr) in the basis of plasticized starch were added. Tensile strength and elastic modulus increased with increasing nanocellulose addition amount, whereas elongation at break decreased. Tensile properties of MFC-reinforced starch film were higher than those of CNC-reinforced film. Optimum addition amount of aminated starch, which is commonly used for paper sizing, to improve tensile property of film, was found to be 5%. And 1% addition of aminated starch showed the best effect in the improvement of tensile property of the film. Thermal stability was improved with the addition of MFC to plasticized starch film with and without aminated starch.

Acknowledgement

Supported by : 강원대학교

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