Introduction to biodegradable bottles
PLA, polylactic acid, also known as poly(propylene glycol), is a polyester polymer obtained by polymerizing lactic acid as the main raw material.
It is a new type of biodegradable material.
PLA is a new type of biodegradable material made from starch raw materials derived from renewable plant resources (e.g. corn). Glucose is obtained by saccharification of starch raw material, then high purity lactic acid is made by fermentation of glucose and certain strains of bacteria, and then polylactic acid of certain molecular weight is synthesized by chemical synthesis method.
It has good biodegradability and can be completely degraded by microorganisms in nature after use, eventually generating carbon dioxide and water, without polluting the environment. This is very beneficial to the protection of the environment, is recognized as environmentally friendly materials.
The disposal method for ordinary plastics is still burning and cremation, causing a large amount of greenhouse gases to be emitted into the air, while PLA plastics are buried in the soil and degrade. The carbon dioxide produced goes directly into the organic matter of the soil or is absorbed by plants, and is not emitted into the air and does not cause the greenhouse effect.
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biodegradable plastic bottles Photos
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