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http://dx.doi.org/10.5322/JES.2004.13.12.1131

Biodegradation Characteristics of Starch-Filled Waterborne Acrylate Film  

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)
Publication Information
Journal of Environmental Science International / v.13, no.12, 2004 , pp. 1131-1138 More about this Journal
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.
Keywords
Biodegradation; Starch; Waterborne Acrylate Copolymer; Enzyme;
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Times Cited By KSCI : 2  (Citation Analysis)
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