聚氨酯基AB交联聚合物的动态力学性质  

DYNAMIC MECHANICAL PROPERTIES OF AB CROSSLINKED POLYMERS BASED ON POLYURETHANE AND MMA

作　　者：刘文忠[1] 林合 刘景江[1] 韩孝族[1] 

机构地区：[1]中国科学院长春应用化学研究所,长春130022

出　　处：《应用化学》1990年第2期40-44,共5页Chinese Journal of Applied Chemistry

基　　金：国家自然科学基金

摘　　要：用紫外光聚合方法制备出一系列不同组成的聚己二酸己二醇酯聚氨酯(PHAPU)和甲基丙烯酸甲醇(MMA)AB交联聚合物(ABCP)。用溶胀法和橡胶平台模量法测定了它们的交联密度,两种方法所得结果具有非常好的一致性。本文研究的ABCP半高宽大于60℃,属于半相容体系。改变PHAPU和MMA的组成可以得到阻尼性能以及其他力学性能比PHAPU和PMMA更好的ABCP。A series of AB crosslinked polymers (ABCPs) based on poly(hexamethylene adipate)-polyurethane(PHAPU) and methyl methacrylate(MMA) with various compositions were pre-pared by means of ultra-violet initiation polymerization. The values of crosslink density weredetermined by swelling equilibrum approach and rubberlike elasticity. The both results werein good agreement. The width of tangent δ peak at the half height was more than 60℃,andthe system was considered to be mechanically compatible.By simply varing the concentrationof the constituents, a series of damping materials, With a unique set of properties, could beobtained.

关 键 词：聚氨酯 AB交联聚合物 力学性质 

分 类 号：TQ323.8[化学工程—合成树脂塑料工业]