| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet material for machining a mold which keeps a difference in elongation and in stress with respect to the meridian direction and the latitude direction of a synthetic leather or an artificial leather with woven fabric, textile fabric and nonwoven fabric as a relieved base material and moldability is improved. SOLUTION: The sheet material for molding is obtained by piling a porous membrane obtained by mixing a polyvinyl chloride resin with a polyurethane resin and a non-porous membrane obtained by mixing a polyvinyl chloride resin with a polyurethane resin. COPYRIGHT: (C)2011,JPO&INPIT |
