| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide lithographic ink excellent in lithographic printing aptitude, also constituted by a resin without using formaldehydes which are not preferable for environmental hygiene maintenance and further capable of applying for a VOC (volatile organic compound) free type. <P>SOLUTION: This resin composition for printing ink binder is characterized by reacting (c) a compound having≥2 isocyanate groups in its molecule with (A) a resin composition consisting of (a) 20-80 wt.% an ester-modified hydrocarbon resin obtained by modifying the hydrocarbon resin with an unsaturated carboxylic acid or its anhydride and an aliphatic alcohol, and (b) 20-80 wt.% naphthenic hydrocarbon solvent and/or paraffinic hydrocarbon solvent. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
