Synthetic leather

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United States of America Patent

PATENT NO 11479911
APP PUB NO 20210230800A1
SERIAL NO

15734613

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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) is formed of a urethane resin composition including a urethane resin (A) produced using an aromatic polyisocyanate (a1) as a raw material and water (B). The skin layer (iii) is formed of a urethane resin composition including an anionic urethane resin (X) having an anionic group concentration of 0.25 mmol/g or less, water (Y), and an anionic surfactant (Z). The aromatic polyisocyanate (a1) preferably includes toluene diisocyanate. The urethane resin (A) has an aromatic ring concentration of 0.1 to 2.5 mol/kg.

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Patent Owner(s)

  • DIC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeda, Ryo Takaishi, JP 42 86

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