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US 2023/0323010 A1Published application
Polyurethane resin, non-natural leather, and ink
AssigneeMitsui Chemicals, Inc.
InventorsTatsuya YAMASHITA, Toru YAGI, Kazuyuki FUKUDA
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Abstract
A polyurethane resin includes a reaction product of a raw material component containing a polyisocyanate, a macropolyol, a hydrophilic group-containing polyol, and a chain extender. The polyisocyanate is an alicyclic polyisocyanate. The macropolyol contains a plant-derived macropolyol. A biomass degree of the reaction product is 30% or more.
Claims7
A polyurethane resin comprising:
- a reaction product of a raw material component containing a polyisocyanate, a macropolyol, a hydrophilic group-containing polyol, and a chain extender, wherein
- the polyisocyanate is an alicyclic polyisocyanate,
- the macropolyol contains a plant-derived macropolyol, and
- a biomass degree of the reaction product is 30% or more.
1 more element
Dependencies are inferred from the claim text.