Journal
JOURNAL OF POLYMERS AND THE ENVIRONMENT
Volume 14, Issue 1, Pages 65-70Publisher
SPRINGER
DOI: 10.1007/s10924-005-8708-9
Keywords
starch; polyethylene; degradation; film
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The degradability of the compatible thermoplastic starch/polyethylene film was investigated by weight loss percent (WLP), Fourier Transform Infrared (FT-IR) Spectroscopy, and Scanning Electron Microscope (SEM). The compatible film was prepared by using the particles of thermoplastic starch/polyethylene blends that were produced by one-step reactive extrusion. The weight of the film after degradation reduced more than 3% for 30 days and 4% for 60 days. The FTIR results revealed that both starch and polyethylene in the film exhibited varying degrees of degradation. SEM photographs of the films after degradation showed that starch particles in the film disintegrated into smaller particles or separated out of the film surface. Degradation studies demonstrated that the compatible thermoplastic starch/polyethylene film had increased degradability at the given degradable environment. The information implies that this film could be utilized as a degradable plastic.
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