高粱双色树脂制备生物降解塑料薄膜的研究玉米淀粉

Atere Juliet, Ogunmodede Oluwafemi, Adewumi Funmilayo, Kolawole Sunday
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引用次数: 0

摘要

今天的挑战是生产一种可生物降解的包装材料,可以部分取代传统的塑料材料。淀粉基可生物降解塑料对环境的危害较小,而且比普通塑料分解得更快。本研究以高粱双色淀粉和甘油增塑剂为原料,制备并表征了一种生物可降解膜。所制备的薄膜含有两份高粱双色淀粉(5克和10克)和三份甘油(25%、30%和40%)。高粱双色膜和可生物降解甘油基塑料膜的密度、吸水率和厚度膨胀率最低,分别为0.99 g cm-3、55.72%和10.72%。拉伸强度在9.97 MPa时达到最大值,伸长率为23.84%。经过一周的可生物降解性试验,高粱淀粉甘油基生物降解膜的降解率为69.23%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preparation of Biodegradable Plastic Film from Sorghum bicolor (L.) Corn Starch
Today's challenge is to produce a biodegradable materials for packing which can partially replace traditional plastic materials. Starch-based biodegradable plastics are less harmful to the environment and breakdown faster than regular plastics. The goal of this research was to produce and characterize a biodegradable film(BF) made from Sorghum bicolor (L.) starch and glycerol plasticizer. The produced film contained two amounts of Sorghum bicolor (L.) starch (5 g and 10 g) and three percentages of glycerol (25%, 30%, and 40%). The Sorghum bicolor (L.) and biodegradable glycerol-based plastic film had the lowest density, water absorption, and thickness swelling of 0.99 g cm-3, 55.72%, and 10.72%, respectively. The tensile strength is maximum at 9.97 MPa and and elongation obtained is 23.84%. The Sorghum bicolor (L.) starch and glycerol-based biodegradable film decomposed by 69.23% after biodegradability testing of one week.
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