近年来乳制品变制质、变味的投诉和报道常常发生,变质、变味的乳制品的食用不仅是对了广大消费者的身体健康的一个很大威胁,而且损害了广大消费者的利益。造成这种情况的原因很多,从包装装上看,很重要的一个原因仍是用于乳制品包装的塑料复合膜、袋,其阻氧性能远远不符合要求。 In recent years, variable quality of dairy products, odor-related complaints and reports often occur, deterioration, odor-eating dairy products is not only a great threat to the general health of consumers, but also damage the interests of consumers. There are many reasons for this situation. One of the most important reasons for the packaging of packaging materials is still the plastic composite film and bag for packaging dairy products. The oxygen barrier performance is far from satisfactory.