| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet which is manufacturable with a simple process without using a solvent and has excellent features in texture, tactile impression, wear resistance, aesthetic appearance and the like and finds applications in synthetic leathers or artificial leathers. SOLUTION: The sheet has a single foam layer of an expanded polyurethane resin, and the surface of the expanded single foam layer is composed of an unexpanded layer. COPYRIGHT: (C)2008,JPO&INPIT |
