摘要
对聚丙烯 (PP)在不同条件下的熔融结晶进行了研究 ,利用偏光显微镜 ,对聚丙烯球晶进行观察 .结果表明 :温度、应力及杂质对球晶形态、大小、多少、分布均有影响 .文章还对试验结果进行了理论分析 .
In this paper,the melting and crystalization of the polypropylene(PP) were studied under different conditions,and the polypropylene spherulites were observed with polarizeing microscope.The result indicated that temperature,stress and impurity can give definitive effect on shape,size,quantity and distribution of spherulites.Then the results were analyzed in theory.
关键词
聚丙烯
过冷
结晶
球晶
熔融
树脂
Polypropylene
Supercooling
Crystallize
/Spherulite
