注塑工艺对微发泡PP/云母粉发泡行为影响Effect of Injection Processing on PP/Mica Powder Foaming Behavior
龚维,高家诚,何力,朱建华,何颖,郑环
摘要(Abstract)：
用正交试验研究了注射温度、注射压力、注射速度和冷却时间对化学发泡法制备聚丙烯(PP)/云母粉发泡材料的泡孔平均直径和泡孔密度的影响。结果表明,在PP中添加云母粉后,注射压力对发泡PP/云母粉材料的结构参数影响最大,其次为注射温度;较理想的工艺参数为注射温度170℃、注射压力50 MPa、注射速度95%、冷却时间30 s。
关键词(KeyWords)： 聚丙烯;云母;微发泡材料;注塑工艺参数;发泡行为
基金项目(Foundation): 贵州省自然基金项目{黔科合J字[2009](2020号)};; 国家973前期项目(200722s700812);; 贵州省教育厅自然科学基金项目(50101050222007)
作者(Author): 龚维,高家诚,何力,朱建华,何颖,郑环
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