| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a card having excellent printability, performances not different from those of general purpose resin also in physical properties, biodegradable when dumped after use. SOLUTION: This card is obtained by compounding 100 pts.wt. of cellulose acetate with 20-200 pts.wt. of a plasticizer such as trisethoxycarbonylmethyl citrate, trisethoxycarbonylmethyl acetylcitrate, etc., to give a resin composition and forming the resin composition into a card.</p> |
