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Polylactic acid (Polylactic acid,PLA), also known as polylactide, is a polyester polymerized from lactic acid. Polylactic acid has excellent biodegradability, compatibility and absorbability. Polylactic acid is a non-toxic, non-stimulating synthetic polymer material, its raw material is lactic acid, mainly from starch (such as corn, rice) and other fermentation, can also be obtained from cellulose, kitchen waste or fish waste as raw materials.
Degradable plastics refers to a class of plastics whose products can meet the requirements of use and whose performance remains unchanged during the storage period, but can degrade to environmentally harmless substances under natural environmental conditions after use. Therefore, it is also called environmentally degradable plastic.