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需要注意两点在耐热ABS注塑成型中

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发布时间:2021-12-26 17:36:13  点击:263
 

耐热ABS塑料的热变形温度一般在90~105℃,具有良好的耐热性、韧性和流动性。由于耐热ABS的分子结构中含有高刚性的苯环和N-苯基基团,提高耐热性同时,也增加了分子链的空间位阻效应,使分子链的松弛速度降低,易使制品存在较大的内应力,导致制品应力开裂、应力发白、产品发脆等缺陷。关于耐热ABS注塑成型,该注意什么呢?

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