Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2019/058692
Kind Code:
A1
Abstract:
A synthetic leather having a base fabric (i), an intermediate layer (ii), and a skin layer (iii). The intermediate layer (ii): is a reactant of a polyol (a1) and an aromatic polyisocyanate (a2), said polyol (a1) including a polyol (a1–1) having an anionic group ; and is formed from an aqueous urethane resin composition (C) containing a urethane resin (A) having an anionic group concentration of no more than 0.35 mmol/g and an aqueous medium (B). The skin layer (iii) is formed from an aqueous urethane resin composition (Z) containing: a urethane resin (X) being a reactant having as essential ingredients thereof a polyol (b1), a reactive silicone (b2) having a functional group that reacts with isocyanate groups, and a polyisocyanate (b3); and an aqueous medium (Y).
Inventors:
MAEDA RYO (JP)
Application Number:
PCT/JP2018/024563
Publication Date:
March 28, 2019
Filing Date:
June 28, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
D06N3/14; B32B5/02; B32B27/40; C08G18/00; C08G18/44; C08G18/48; C08G18/61
Foreign References:
| JP2002088662A | 2002-03-27 | |||
| JP2009275173A | 2009-11-26 | |||
| JP2005076157A | 2005-03-24 | |||
| JP6179697B1 | 2017-08-16 | |||
| CN101580577A | 2009-11-18 | |||
| JP2007119749A | 2007-05-17 |
Other References:
See also references of EP 3666970A4
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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