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[Chemical Knowledge]：What are the upstream raw materials for PLA and what are the downstream products?

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In the field of raw materials for chemical production, polylactic acid (PLA) is a biodegradable material with a wide range of upstream and downstream related products. This article will detail the upstream and downstream related products of PLA.

1. upstream associated products

1. lactic acid

lactic acid is the direct raw material of PLA, usually by microbial fermentation. In the production process of lactic acid, renewable resources such as corn and sugar cane are mainly used as raw materials, and they are converted into lactic acid through microbial action.

2. Corn

Corn is one of the main raw materials in the production of PLA, through microbial fermentation, the starch in corn is converted into lactic acid, and then further polymerization to generate PLA. Therefore, the yield and price of corn have an important influence on the production cost of PLA.

2. downstream related products

1. Fiber

PLA can be processed into fibers for the production of clothing, non-woven fabrics and other products. PLA fiber has the advantages of biodegradability, antibacterial and anti-mite, and is widely used in textiles, medical and health fields.

2. Film

PLA can be processed into film for packaging, agricultural cover and other fields. Compared with traditional plastic films, PLA films are biodegradable and environmentally friendly.

3. 3D printing material

PLA is one of the commonly used materials in the field of 3D printing, because of its good processing performance, biodegradability and other advantages, is widely used in 3D printing manufacturing.

4. Injection molding

PLA can be processed into various injection molding products, such as tableware, containers, etc. These products have good biodegradability and are environmentally friendly.

In short, PLA, as a biodegradable material, has a wide range of upstream and downstream related products, involving many fields, such as textiles, packaging, 3D printing, etc. With the improvement of people's awareness of environmental protection, the application prospect of PLA will be more and more broad.

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