Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Biodegradation Characteristics of Starch-Filled Waterborne Acrylate Film

전분을 충전한 수성 아크릴레이트 필름의 생분해 특성

  • Kim Jung-Du (Division of Applied Chem. Eng., Pukyong National University) ;
  • Kam Sang-Kyu (Division of Civil and Environmental Engineering, Cheju National University) ;
  • Ju Chang-Sik (Division of Applied Chem. Eng., Pukyong National University) ;
  • Lee Min-Gyu (Division of Applied Chem. Eng., Pukyong National University)
  • 김정두 (부경대학교 응용화학공학부) ;
  • 감상규 (제주대학교 토목환경공학부) ;
  • 주창식 (부경대학교 응용화학공학부) ;
  • 이민규 (부경대학교 응용화학공학부)
  • Published : 2004.12.01
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Abstract

The starch-filled waterborne acrylate (SWAC) films were prepared. The structures and properties of SWAC films were investigated by infrared spectroscopy, thermogravimetric analysis, and strength test. The biode­gradability of SWAC film was also studied by determination of reduced sugar products after enzymatic hydrolysis. The surface morphology of the SWAC film was investigated by scanning electron microscopy (SEM). The results showed that the tensile strength and elongation of SWAC film decreased with the increase of starch content. The SWAC film showed significantly higher water absorbed content than waterbonre acrylate film. The biodegradability of SWAC film increased as the content of starch increased. The biodegradation of starch in SWAC film by ${\alpha}-amylase\;was\;about\;77{\%}$ of that of pure starch.

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References

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