| 摘要 |
PROBLEM TO BE SOLVED: To obtain a thin foamed urethane sheet with a thickness of not greater than 0.1 mm having rich flexibility, and a fine uniform cell structure.SOLUTION: The foamed urethane sheet composed of open cell-structured fine cells is obtained by: coating a substrate with a composition comprising a urethane resin, a mixed diluent solvents of toluene and MEK, water, a nonionic foam stabilizer of a block copolymer of EO and PO, and the like; and heating by two steps. |
