Biodegradable materials include biodegradable polymer materials such as carboxymethyl methyl cellulose, cassava starch, paper, etc. environmental protection degradable plastics also involve biodegradable plastics converted by microorganisms or obtained by analytical chemistry.
Biodegradable plastics refer to those that are degraded and degraded into carbon dioxide or / and methane gas vapor due to the ubiquitous microbial effects in nature under conditions such as soil layers and / or stones, and / or different conditions such as composting, anaerobic digestion or water-soluble cell culture medium Deashing sulfate of water and its elements and its new biomass natural materials.
Special attention should be paid to the fact that each biodegradable material includes paper, etc. the degradation of biodegradable plastics should be carried out as far as possible under the geographical and environmental conditions. If there are no degradation conditions, especially the daily living conditions of microorganisms, the degradation of degradable materials will be slow; In addition, not every biodegradable material can degrade rapidly under geographical conditions. Therefore, for biodegradable materials, we should fully consider their geographical environment conditions and integrate the structural characteristics of the materials to realize analysis, so as to distinguish whether they are biodegradable materials or not. How to judge whether a material can be biodegradable? A series of test methods and specifications have been implemented in the world and in China, which is a response to the regulatory problem.
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