Patent ID: 6677025
Filing Date: 2004-01-13
Classification: B32B,Y10S,Y10T

Abstract:
A mold releasable composite material for wet production of a polyurethane resin synthetic leather comprising a polymer base, an intermediate layer comprising a polyester urethane polyol/aromatic polyisocyanate-based polyurethane and a composition layer laminated on the surface of the intermediate layer, the composition layer comprising 50 to 95% by weight of a styrenic polymer having a syndiotactic structure and 5 to 50% by weight of a polyolefin, wherein the mold releasable composite material has a peeling strength of 300 g/15 mm or more between the composition layer and the polymer base, wherein the polymer base is a sheet, a woven fabric, a non-woven fabric or a knitted fabric comprising at least one member selected from the group consisting of a polyester, polyethylene, a nylon, and an acrylic resin.