可降解塑料顺应环保要求全球塑料的年产量达１亿吨以上。其中很大部分应用于分装行业。由于塑料来源丰富，价格低廉，在作为包装材料和其他制品的回收和回用方面至今仍为一薄弱环节，这不仅是一种资源浪费，而且严重污染环境，影响人类的生存和发展。目前一些国家视降解塑料为 Degradable plastics comply with environmental requirements The global annual output of plastic up to 100 million tons. Most of them are used in the dispensing industry. Due to its abundant plastic source and low price, it is still a weak link in the recycling and reuse of packaging materials and other products. It is not only a waste of resources, but also a serious pollution of the environment, affecting human survival and development. At present, some countries regard plastic as degradation