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树脂是什么材料
更新时间: 2020-10-12 17:23:24  

树脂通常指的是受热后有软化或熔融范围,在常温下是固态、半固态的状态,也可以理解为可以作为塑料制品的原材料都称为树脂。按合成反应划分的话,树脂分为加聚物和缩聚物,加聚物指由聚合反应制得的聚合物,缩聚物是指由缩合聚合反应制得的聚合物。

关键词: 树脂 什么 材料

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