Preparation and Characterization of Compatible and Degradable Thermoplastic Starch/Polyethylene Film |
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Authors: | Wang Shujun Yu Jiugao Yu Jinglin |
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Institution: | (1) Department of chemistry, School of Science, Tianjin University, Tianjin, 300072, China |
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Abstract: | 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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Keywords: | Starch polyethylene degradation film |
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