前几年,人们对使用多层共挤薄膜的兴趣日益高涨,尤其对易氧化食品的包装。这种发展取决于某些因素。首先是对提供更经济和有更好的包装功能,以及能按特殊用途裁剪的薄膜日益增长;同时现有新型高性能聚酯扩大了共挤薄膜包装产品的能力;另外,新设备的发展使得产品质量和加 A few years ago, people are increasingly interested in using multi-layer coextruded films, especially for the packaging of easily oxidized foods. This development depends on certain factors. The first is the growing availability of more economical and better packaging functions as well as the ability to cut films tailored to specific applications while existing new high performance polyesters expand the capacity of coextruded film packaging products. In addition, new equipment has evolved Product quality and plus