Synthetic leather

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11466402
APP PUB NO 20210230799A1
SERIAL NO

15734671

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention provides a synthetic leather including at least a base (i), an adhesive layer (ii), and a skin layer (iii). The adhesive layer (ii) and the skin layer (iii) are both formed of a urethane resin composition including a urethane resin and water, the urethane resin being produced using an aromatic polyisocyanate as a raw material. The urethane resin composition forming the adhesive layer (ii) preferably includes a urethane resin (A) and water (B), the urethane resin (A) being produced using an aromatic polyisocyanate (a1) as a raw material. The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. It is preferable that the urethane resin (A) include an anionic group and the concentration of the anionic group in the urethane resin (A) be 0.35 mmol/g or less.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DIC CORPORATION35-58 SAKASHITA 3-CHOME ITABASHI-KU TOKYO 174-8520

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeda, Ryo Takaishi, JP 47 96
Tetsui, Tomohiro Takaishi, JP 14 19

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