| abstract |
PCT No. PCT/JP94/00388 Sec. 371 Date Aug. 18, 1994 Sec. 102(e) Date Aug. 18, 1994 PCT Filed Mar. 10, 1994 PCT Pub. No. WO94/20665 PCT Pub. Date Sep. 15, 1994.A grained artificial leather comprised of a sheet-form fibrous base, a porous polyurethane layer having interconnected open cells, formed on at least one surface of the base, and a non-porous polyurethane film formed on the porous polyurethane layer. A multiplicity of open cells are interspersed in the porous polyurethane layer, part of which are closed by the non-porous polyurethane film and the remainder of which are not closed and at least 70% in number of the non-closed opening cells have a diameter of 1-25 mu m. The artificial leather is made by adhering the porous polyurethane layer to the sheet-form fibrous base, applying a polyurethane/solvent mixed liquid as dots interspersed on the surface of the polyurethane layer to develop a multiplicity of open cells on the surface, and then applying a finishing polyurethane on the open cell-developed surface. |