Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2014/192283
Kind Code:
A1
Abstract:
Provided is synthetic leather which is lightweight while having an excellent appearance, texture (feel), wear resistance, and peeling strength in comparison to conventional synthetic leather, has high durability enabling use in car seats, furniture seats, and the like, and moreover can be produced in an extremely short period of time and can reduce production costs. This synthetic leather is formed by layering a polyurethane resin layer on a greige fabric via an adhesive layer, and is characterized in that the mass per unit area of the greige fabric is less than 200 g/m2, and the adhesive layer comprises a polyurethane resin including foamed thermally expandable microparticles which is formed by heating a urethane adhesive comprising a urethane polymer having a terminal isocyanate group blocked with a blocking agent, an amine cross-linking agent, and thermally expandable microparticles to foam the thermally expandable microparticles while causing the urethane polymer and the amine cross-linking agent to undergo a cross-linking reaction.
Inventors:
IKEDA SHOUTAROU (JP)
MORI TOSHIYUKI (JP)
SATOU MASAKI (JP)
MORI TOSHIYUKI (JP)
SATOU MASAKI (JP)
Application Number:
PCT/JP2014/002769
Publication Date:
December 04, 2014
Filing Date:
May 26, 2014
Export Citation:
Assignee:
ACHILLES CORP (JP)
International Classes:
D06N3/14; B32B5/24
Foreign References:
| JP2005171392A | 2005-06-30 | |||
| JPS6182993U | 1986-06-02 | |||
| JPS63249787A | 1988-10-17 | |||
| JPS6128079A | 1986-02-07 | |||
| JP2005248415A | 2005-09-15 |
Attorney, Agent or Firm:
HOSOI, Isamu et al. (JP)
Isamu Hosoi (JP)
Isamu Hosoi (JP)
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