| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an eraser which does not deteriorate or soil neighboring products due to a compound such as a plasticizer, can be molded to various shapes such as a very thin shape which can be used in a pen type holder and an irregular shape, produces very small amount of erasing dregs and can display outstanding erasing performance, and to provide a method for producing the eraser. <P>SOLUTION: The eraser is composed of a compound composition and includes at least a thermoplastic polyester elastomer as a base material. The eraser preferably contains 0.1 to 15 mass% of fatty acid to total amount of the eraser and further desirably contains oil and fats such as triglyceride, higher alcohol or its alkyl ester with fatty acid, a nonionic surfactant such as polyoxyethylene alkyl ether, polyethylene glycol fatty acid ester, monoglyceride, diglyceride or at least one chosen from saturated or unsaturated hydrocarbon oil, as the compound composition. <P>COPYRIGHT: (C)2012,JPO&INPIT |
