Abstract
缔合高分子是指链间具有吸引作用(如离子键、氢键作用)的高分子。理解缔合高分子的熔体拉伸性能对于缔合高分子材料的开发和加工成型具有重要的指导意义。本综述聚焦课题组在非缠结缔合高分子熔体拉伸行为研究中的最新进展,对熔体拉伸行为进行分类(如脆性行为、韧性行为和超韧性行为),并进一步总结了熔体拉伸行为对于缔合程度、缔合强度和缔合种类的依赖性。研究表明:脆韧行为不仅取决于拉伸流场下缔合网络结构的破坏,而且取决于网络结构破坏后的重整行为。
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