There was more c axis orientation crystallization when the melt was treated under high stress. The formation mechanism of such unique structures was also discussed.

例如 ，对于半结晶聚合物 ，为何只有聚丙烯才有此独特结构 ?此外有关聚丙烯熔体在应?。

youdao

There was more c axis orientation crystallization when the melt was treated under high stress. The formation mechanism of such unique structures was also discussed.

例如 ，对于半结晶聚合物 ，为何只有聚丙烯才有此独特结构 ?此外有关聚丙烯熔体在应?。

youdao