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Wanhua Chemical launches bio-based TPU products

 Last Update: 2022-10-15
 Source: Internet
 Author: User

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　　Recently, Wanhua Chemical launched thermoplastic polyurethane elastomer (TPU) products made of 100% bio-based raw materials
.

　　The 100% bio-based TPU product uses bio-based pentamethylene diisocyanate (PDI) made from corn stover, and additives such as rice bran wax are also derived from non-food chain corn, castor and other renewable resources
.
The product has excellent properties such as high strength, high toughness, oil resistance, and anti-yellowing, and can be used in footwear, film, consumer electronics, food contact and other fields
.

　　Bio-based TPU has the advantages of low carbon, environmental protection, recyclability, light weight, sturdiness and durability
.
At present, Wanhua Chemical has carried out in-depth research based on the bio-based integrated platform, and has developed TPU products with 10%~100% bio-based ratio, covering polyester, polyether and other types of products
.

　　TPU is a block copolymer composed of isocyanate, polyol and chain extender, which is widely used as a new polyurethane material
.
The common synthesis method of bio-based TPU is to introduce bio-based monomers or intermediates during the polymerization process, such as bio-based isocyanates, bio-based polyols, bio-based 1,4-butanediol or propylene glycol,
etc.
Among them, bio-based isocyanate is the key point that needs to be broken through to produce 100% bio-based TPU
.

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