以偶氮二甲酰胺为发泡剂、硫磺为交联剂,采用模压发泡制备三元乙丙橡胶(EPDM)发泡材料,并对其进行一定温度和时间的处理.对发泡材料的各项物理性能进行测试,并采用扫描电子显微镜观察材料泡孔的微观结构,系统研究了处理条件对发泡材料物理性能、收缩以及热老化的影响.结果表明:后处理在一定程度上提高了EP-DM发泡材料的物理性能,降低了发泡材料的收缩性.
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