1.序近年来,随着食品生活的多样化和流通的广泛化,食品包装的形态变化和增加也很显著。为了适应从快餐到蒸煮食品包装、软包装材料的基础材料种类也多起来了,二层,三层等多层复合材料也不断发展,与此同时干法复合用粘合剂的性也有所提高。但是厉来 1. Order In recent years, with the diversification of food life and extensive circulation, food packaging morphological changes and increases are also significant. In order to adapt from fast food to cooking food packaging, flexible packaging materials are more types of basic materials, two, three and other multi-layer composite materials are also growing, at the same time, the dry composite adhesive also increased. But Li Li