METHOD FOR MANUFACTURE OF BREATHABLE SPLIT LEATHER USING WATER BASE POLYURETHANE

摘要

A method for manufacturing breathable split leather is provided to prepare porous leather similar to grain leather by imparting air permeability to low quality of breathable split leather. A method for manufacturing breathable split leather comprises the steps of: (100) applying a water soluble polyurethane resin compound on a release paper to form a skin film layer; (200) drying the skin film layer; (300) coating water soluble polyurethane adhesive on the skin film layer to form an adhesive layer; (400) putting together the upper part of the adhesive layer and split leather; (500) drying the put skin film and split leather; (600) successively surrounding nonwoven fabric and general synthetic resin vinyl on the dried split leather to age the laminated skin film and split leather; (700) separating a releasing paper from a skin film layer adhered to the aged release paper; and physically treating the laminated skin film and split leather to form patterns.