What is the PLA material in 3D printing?
Date of release:2018-11-12 Author: Click:
PLA is polylactic acid, which is changed from plants such as corn and cassava. The plants extract starch through multiple processes, ferment it into lactic acid by microorganisms, and then polymerize into polylactic acid.
Compared with traditional petroleum-based plastics, PLA is safer, lower in carbon and greener.
Traditional plastic monomers are either toxic or carcinogenic, while PLA's monomeric lactic acid is a widely used food additive that eventually becomes glucose after glycolysis in the body. PLA products do not add or produce any toxic or hazardous substances during production and use.
The biggest benefit of PLA materials is that they “coexist harmoniously” with the environment.
Unlike the environmental damage caused by the abandonment of traditional plastics, the discarded PLA products can be “buried” and naturally degraded into water and carbon dioxide by natural microbes, and this process takes only 6 to 12 months to be truly environmental. Friendly materials.
This kind of raw material is a renewable biological resource, which is unanimously recognized by the industry as the most promising new “ecological material” in the new century.
Although the PLA material is very powerful, it also has weaknesses: poor heat resistance and hydrolysis resistance, which imposes many restrictions on the use of PLA products.
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