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生物降解塑料是指在自然环境下通过微生物的生命活动能很快降解的高分子材料。按其降解特性可分为完全生物降解塑料和生物破坏性塑料。按其来源则可分为天然高分子材料、微生物合成材料、化学合成材料、掺混型材料等。从上
Biodegradable plastic refers to the natural environment through the life activities of microorganisms can quickly degrade polymer materials. According to their degradation characteristics can be divided into completely biodegradable plastic and biological destructive plastic. According to their sources can be divided into natural polymer materials, microbial composites, synthetic materials, blended materials. from up