【摘要】 塑料制品因其具有质量轻、外观美、加工方便、经济实用等特点而颇受人们青睐,广泛用于各行各业和日常生活用品中,但塑料制品的大量使用也给环境造成了严重污染,消除塑料污染的最积极的办法是对废旧塑料进行回收再利用。塑料种类繁多,不同类别的塑料性质和用途都不相同。介绍几种塑料分类的简易方法,以利于废旧塑料的回收利用。更多还原

【Abstract】 The plastic products are widely used in every walk of life and daily necessities,because of their characteristics in light weight,beautiful appearance,easy to process,economical use. But the extensive use of plastics caused serious environment pollution. The most positive way to eliminate plastic pollution is recycling of the waste plastics. There are different kinds of plastics,and their characteristics and usage are also different. The first step of recycling waste plastics is to identify categories. Several simple methods for classification of plastic were describes.更多还原