METHOD OF SYNTHETIC LEATHER

摘要

The method for smooth type synthetic leather comprises (i) wet finishing a leather-like sheet with the mixt. of polyurethane resin 50-95 wt.% and polyamino acid resin 50-5 wt.% to form a fine porous layer of 20-200 micron thickness, and (ii) dry finishing the above sheet to form a nonporous layer of 5-50 micron thickness over the first layer.