Thermoplastic starch prepared with different plasticizers: Relation between degree of plasticization and properties

被引：0
|
作者：
Yingfeng Zuo
Jiyou Gu
Haiyan Tan
Yanhua Zhang
机构：
[1] Northeast Forestry University,Key Laboratory of Bio
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2015年 / 30卷
关键词：
corn starch; plasticizer; thermoplastics; degree of plasticization; properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ethylene glycol, glycerol, sorbitol, formamide, and urea were used as plasticizers for the preparation of thermoplastic starch (TPS) from corn starch. The properties of TPS were tested by analysis method. The results showed that TPSs were more highly plasticized with amines than alcohols. For the same type of plasticizer, the degree of plasticization decreased as the molecular weight of plasticizer increased. The relationship between plasticization degree and TPS properties was characterized and described by mechanical properties and water absorption. The experimental results showed that when the degree of plasticization increased, the tensile strength decreased and the elongation at breakage and water absorption increased.
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页码：423 / 428
页数：5
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