塑料包装材料阻隔性的研讨

A Discussion of the Barrier Characteristics of Plastics Packaging Materials

简介了包装物品食品、药品变质的原因;研讨塑料包装材料透湿、透气性的机理;提出了根据各种被包物品的性能要求,合理选用塑料包装材料,防止物品变质的措施。

This paper briefly analyzed the deteriorative reasons of the packaged food, medicine, etc., discussed the mechanism of the Water vapour transmission and gas transmission through plastic packaging materials. Suggestions are mad to select suitable plastic packaging materials according so the item characteristecsSo as to prevent item deterioration.