Thermoplastic Starch Prepared with Different Plasticizers: Relation between Degree of Plasticization and Properties
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2015年第2期
论文作者：左迎峰 GU Jiyou TAN Haiyan 张彦华
文章页码：423 - 428
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.
左迎峰，GU Jiyou，TAN Haiyan，张彦华
Key Laboratory of Bio-based Material Science and Technology (Ministry of Education),Northeast Forestry University
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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