| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an energy ray curing type thermal colorable composition, which has favorable stability and no ground fogging, which can be partially and wholly printable with a printing machine or the like, develops high coloring density, is favorable in head matching, water resistance and wear resistance in a thermal printer and also can prevent forgery and alteration from developing. <P>SOLUTION: This energy ray curing type resin composition includes a compound with at least ≥3 (meth)acryloyl groups in one molecule, 3-dialkylamino-7-(3-anillino)fluoran with a substituent as a colorable compound, a 2, 2'-bis[4-(4-hydroxyphenyl sulphonyl)phenoxy]diethylether base compound as a developable compound and N-(4'-hydroxyphenyl thio)acetyl-2-hydroxyaniline or N-(4'hydroxyphenyl thio)acetyl-4-hydroxyaniline further as a colorable compound. <P>COPYRIGHT: (C)2009,JPO&INPIT |
