摘要:采用差示扫描量热仪(DSC)研究了YS-688对乙烯-辛烯共聚物(POE)/等规聚丙烯(iPP)合金的非等温结晶行为的影响,并通过偏光显微镜(PLM)观察了iPP的结晶形态。研究结果表明:加入POE后,iPP的结晶峰值温度变化不明显,但相对结晶度(Xt)提高6.6%;加入YS-688后,iPP的结晶峰值温度从115.3℃提高到132.4℃,且Xt提高了7.4%;当同时加入YS-688和POE,Xt提高了8.2%,可见YS-688对iPP/POE合金结晶具有明显的促进作用。
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