展望废旧塑料的再生利用刘家聚一、废旧塑料的现状号称第二大包装材料—塑料包装制品，因吹塑、注射、管材、电缆料等聚烯烃类的回收不能重新吹塑成为薄膜，或定向拉伸复丝等，导致全球性的白色污染源的膨胀（年约两千万吨，我国年约近四百万吨）扩散，难以处理而被丢弃几... Looking forward to the recycling of used plastics Liu Jiaju First, the status of waste plastics Known as the second largest packaging materials - plastic packaging products, due to blow molding, injection, pipe, cable and other polyolefin materials can not be re-blow into the film or stretch Stretching silk, etc., resulting in the expansion of a global source of white pollution (about 20 million tons a year, our country about 4 million tons) proliferation, difficult to deal with and was discarded a few ...