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Application of Micronized Starch in Thermoplastic Biodegradable Plastics

Bijun Xie

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Abstract

By IR and experiments,effects of fine crosselinked starch on the properties of thermoplastic biodegradable plastics were studied. The results showed that the average diameter of crosselinked starch reached 3 μm.Treated by coupling agent,water resistance of the fine crosslinked starch was enhanced.The content of starch in the plastics was up to 40%.The tensile strength of the plastics was 62.3 MPa,and the breaking elongation was 289%.The absorption of water was 0.31% after 48 h.The rate of biodegradation exceeded 50% in the soil after 120 days.

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What this paper is about

By IR and experiments,effects of fine crosselinked starch on the properties of thermoplastic biodegradable plastics were studied. The results showed that the average diameter of crosselinked starch reached 3 μm.Treated by coupling agent,water resistance of the fine crosslinked starch was enhanced.The content of starch in the plastics was up to 40%.The tensile strength of the plastics was 62.3 MPa,and the breaking elongation was 289%.The absorption of water was 0.31% after 48 h.The rate of biodegradation exceeded 50% in the soil after 120 days.

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Available abstract

By IR and experiments,effects of fine crosselinked starch on the properties of thermoplastic biodegradable plastics were studied. The results showed that the average diameter of crosselinked starch reached 3 μm.Treated by coupling agent,water resistance of the fine crosslinked starch was enhanced.The content of starch in the plastics was up to 40%.The tensile strength of the plastics was 62.3 MPa,and the breaking elongation was 289%.The absorption of water was 0.31% after 48 h.The rate of biodegradation exceeded 50% in the soil after 120 days.

Key concepts: Starch, Thermoplastic, Absorption of water, Biodegradation, Ultimate tensile strength, Elongation, Materials science, Composite material

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