Title:
POLYURETHANE RESIN, SYNTHETIC LEATHER, AND INK
Document Type and Number:
WIPO Patent Application WO/2022/045245
Kind Code:
A1
Abstract:
A polyurethane resin includes a polyisocyanate, a macropolyol, a hydrophilic-group-containing polyol, and a reaction product of a raw material component containing a chain extender. The polyisocyanate is an alicyclic polyisocyanate. The macropolyol includes a plant-derived macropolyol. The biomass content in the reaction product is at least 30%.
Inventors:
YAMASHITA TATSUYA (JP)
YAGI TORU (JP)
FUKUDA KAZUYUKI (JP)
YAGI TORU (JP)
FUKUDA KAZUYUKI (JP)
Application Number:
PCT/JP2021/031346
Publication Date:
March 03, 2022
Filing Date:
August 26, 2021
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08G18/00; D06N3/14; C08G18/32; C08G18/44; C08G18/75
Domestic Patent References:
| WO2019221087A1 | 2019-11-21 | |||
| WO2019230541A1 | 2019-12-05 | |||
| WO2020105569A1 | 2020-05-28 | |||
| WO2019221087A1 | 2019-11-21 |
Foreign References:
| JP2012001654A | 2012-01-05 |
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
Download PDF: