| 摘要 |
PROBLEM TO BE SOLVED: To provide a plastic eraser with increased safety advantages such as significant migration resistance; no adverse effect to impair an erasing ability; and an extremely limited loading to the environment and a human body. SOLUTION: In the plastic eraser composed of at least a base material resin, a plasticizer and the like, a phenyl ester alkylsulfonate is added as the plasticizer. COPYRIGHT: (C)2005,JPO&NCIPI
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