探讨塑料薄膜在今后食品上的方向,大部份包装管理和设计人员都认为,它日趋向复合的势头发展。根据不同商品的防护要求,选择由不同性能的基材与其它材料组成复合薄膜,从而达到阻氧、防潮、防虫蛀、防褐变或防紫外线等目的。目前,在国外的自助市场上,复合薄膜已占食品包装的绝大比重。而在我国,复合 Exploring the future of plastic film in the direction of food, packaging management and most designers believe that it increasingly tends to compound the momentum of development. According to the protection requirements of different commodities, the composite film with the different properties of the substrate and other materials is selected to achieve the purpose of preventing oxygen, moisture, insects, browning or UV protection. At present, self-service markets in foreign countries, the composite film has accounted for the vast majority of food packaging. And in our country, compound