热塑性淀粉(TPS)基复合材料因具有原材料绿色化、废弃后全降解的特点,成为国内外学者研究的热点.以甲酰胺、尿素、丙三醇、乙二醇作为塑化剂,制备热塑性淀粉基复合材料,通过静态压缩试验得到淀粉基复合材料的静态压缩缓冲曲线,分别研究了不同比例的单一塑化剂和复合塑化剂制备的热塑性淀粉对淀粉基复合材料静态压缩性能的影响.实验结果表明,塑化剂含量为15％时,4种单一塑化剂制备的淀粉基复合材料承压能力大小分别为：FPTPS基复合材料＞UPTPS基复合材料＞EGPTPS基复合材料＞GPTPS基复合材料.复合塑化剂的含量为15％时,不同质量的比甲酰胺和尿素制备的淀粉基复合材料(FUPTPS),其承压能力大小为2∶1＞1∶1＞1∶2；不同质量比的丙三醇和乙二醇制备的淀粉基复合材料(GGPTPS),其承压能力大小为1∶2＞2∶1＞1∶1.
Thermoplastic starch-based composite which has the characteristics of using green raw materials and full degradation of composite materials after being abandoned has become a hot research topic at home and a-broad.By analyzing the static compres-sion curves of composites obtained by static compression tests using for-mamide,urea,glycerol and ethylene glycol as plasticizer,the effect of thermoplastic starch (TPS)made by dif-ferent proportions of single plasticizer and compound plasticizer on the cushioning properties of composites were studied.The experiment results shown that when the content of single plasticizer was 15%,the bearing capacity of four kinds of composites made by single plasticizer was:FPTPS composite>UPTPS composite>EGPTPS composite>GPTPS composite.When the content of compound plasticizer was 1 5%,the bearing capacity of four kinds of FUPTPS composites made by different mass ratios of formamide and urea was:2∶1>1∶1>1∶2, and the bearing capacity of four kinds of GGPTPS composites made by different mass ratios of glycerol and eth-ylene glycol was:1∶2>2∶1>1∶1 .
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