| 摘要 |
PROBLEM TO BE SOLVED: To provide a card, which is made of a resin other than a polyvinyl chloride resin, stable in quality at lower cost, enabling to hold a curl after embossing within the standard of 2.5 mm. SOLUTION: This card is obtained by adhering a core sheet and an oversheet. The core sheet comprises a resin composition formed by compounding inorganic filler of 5-25 pts.wt., rubber elastomer of 5-30 pts.wt. and titanium oxide of 5-20 pts.wt. to resin of 100 pts.wt. formed by substituting ethylene glycol component of 10-70 mol.% of polyethylene terephthalate resin with cyclohexane dimethanol. The curl (warpage of the card) after embossing is held within 2.5 mm. |
