楼: Originally posted by chen.1fan at 2011-12-12 10:20:19:
本人主要是做注塑的,但是对挤出也略知一二.
问题点和解决方式:
1 发泡温度高,190就OK,PP熔点为160-175
2 DCP存在下的自由基交联会导致PP降解,解决办法-加入二乙烯基苯和DMS-01

9楼: Originally posted by gasai at 2011-12-12 10:42:36:
dcp对PP是降解的。要加些电子给予体才行。