表面疏水化热塑性淀粉材料的性能  

Properties of the Surface Hydrophobicated Thermoplastic Starch

作　　者：于九皋[1] 刘泽华[1] 

机构地区：[1]天津大学理学院,天津300072

出　　处：《中国塑料》2002年第4期35-38,共4页China Plastics

摘　　要：用含有异氰酸酯基的预聚体对热塑性淀粉材料 (TPS)表面进行了疏水化处理。研究了涂层与TPS表面的反应性、涂层的疏水性能以及力学性能。红外光谱 (IR)分析结果表明 ,预聚体与基体TPS之间进行了反应 ,为反应性涂层 ;TDI/蓖麻油体系涂层样品表面的疏水性能与TPS相比有了很大的改善 ,而TDI/PEG涂层样品表面的疏水性差 ;另外 ,涂层对材料起到一定的增强作用。The surface of thermoplastic starch(TRS) is hydrophobicated with prepolymers having —NCO groups.The reactivity of the interfaces between coating and TPS,hydrophobicity and mechanical properties are studied.The IR analysis shows that the reaction is carried between the reactive agent and TPS,which is called reaction coating.The surface hydrophobicity of the samples coated with TDI/castor oil is improved greatly compared with the pure TPS,while the samples coated with TDI/PEG have poor hydrophobicity.Furthermore, coating can strengthen the TPS material.

关 键 词：增强作用 疏水性 表面疏水化 热塑性淀粉材料 性能 

分 类 号：TQ321.2[化学工程—合成树脂塑料工业]