| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a high-quality card especially with high heat resistance and impact resistance and an outstanding fitness of working, in the development of an embossed card, a magnetic card and an IC card, each of which consists of a core and an oversheet laminated together, used as a credit card, a cash card and various ID cards. SOLUTION: This card is composed of a resin obtained by mixing acrylonitrile-butadiene-styrene copolymer resin and polycarbonate resin as a core material, and transparent acrylonitrile-butadiene-styrene copolymer resin, polycarbonate resin, polyvinyl chloride resin or methylpolymethacrylate resin, each of which is used alone as an oversheet material. |
