| 摘要 |
PROBLEM TO BE SOLVED: To provide a key pad having transparency or translucency, excellent in keying resistance or printing property, and free from blooming or discoloration. SOLUTION: A polyester elastomer resin composition is formed by mixing 0.2 pts.wt. or more and less than 20 pts.wt. of an ethylenic copolymer (B) having a carboxylic alkaline metal base in side chain to 100 pts.wt. of a polyester block copolymer (A) having 90-50 pts.wt. of a low melting point polymer segment. The haze value (degree of hazing) measured in a sheet about 2 mm thick is set to 85% or less impart translucency or transparency. This polyester elastomer resin composition is injection molded to form a key pad. |
