比较了聚乙烯薄膜的三种加工方法:吹塑法、传统的流延法和新兴的双向拉伸平膜法,其中着重介绍了新兴的双拉法及其产品——双向拉伸聚乙烯薄膜。
This article introduced three processes (blow molding, the conventional casting method, and emerging biaxially stretched flat membrane) of polyethylene film and contrasted each other. Also, it focused on the process of biaxially oriented method and biaxially oriented polyethylene film.