降解塑料是近十多年来发展起来的一类新型高分子材料.除用于农用地膜、医疗卫生和旅游等方面外.在包装行业的应用尤为广泛。目前国外已广泛使用降解塑料制造杂货袋,食品包装袋。机械、电子产品内包装袋和各种产品外包装箱等.国外对降解塑料的开发很广,现已问世的产品有生物降解塑料、光降解塑料,自然降解塑料、水溶解塑 Degradable plastics is a new type of polymer material developed in recent ten years, except for agricultural film, medical and health and tourism, etc. It is widely used in the packaging industry. At present, foreign countries have widely used degradable plastics to make grocery bags and food bags. Machinery, electronic products, packaging bags and a variety of products outside the box, etc. abroad, the development of biodegradable plastics is very wide, now available products are biodegradable plastics, photodegradable plastics, natural degradation of plastics, water-soluble plastic