| 摘要 |
A suction cup, includes: a suction cup body made of a synthetic resin material having elasticity; and a gel layer bonded to the suction cup body and having a surface serving as a suction face; the suction cup body being made of thermoplastic polyurethane elastomer, the gel layer being made of two-pack thermosetting polyurethane gel, the suction cup body and the gel layer being bonded to each other by bonding of an isocyanate group which the thermoplastic polyurethane elastomer has and a hydroxyl group which the two-pack thermosetting polyurethane gel has.
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