| abstract |
A surface material for a keypad excellent in soft touch, which does not cause yellowing, has high water resistance and heat resistance, and has little deterioration in physical properties. A keypad surface material comprising a thermoplastic polyurethane resin synthesized using at least an isocyanate selected from hexamethylene diisocyanate or hydrogenated diphenylmethane diisocyanate and a polyol as a synthesis component. [Selection figure] None |