Kunstleder und Verfahren zur Herstellung von Kunstleder

Details

Veröffentlichungs-Nr.

EP4711519

Anmeldetag

25. April 2024

Veröffentlichung

14. November 2024

Rechtsraum

EP

Abstract

The present invention provides a synthetic leather including at least a base fabric, an adhesive layer, and a skin layer, wherein the adhesive layer is formed of a mixture containing an aqueous urethane resin composition (A) and an aqueous urethane resin composition (B) other than the aqueous resin composition (A), the aqueous urethane resin composition (A) contains a urethane resin (a1), an aqueous medium (a2), and an emulsifier (a3), the urethane resin (a1) contains a polyol compound (a1-1) containing a nonionic polyol and an aromatic polyisocyanate compound (a1-2) as essential raw materials, a urea bond concentration in the urethane resin (a1) is 100 mmol/kg or less, and the aqueous urethane resin composition (B) has a weight average molecular weight of 100000 or more. The synthetic leather has a long pot life and excellent peel strength and light resistance.

Anmelder

Firma

DIC Corporation

Land

🇯🇵 Japan