| abstract |
A resin for printing inks, prepared by the reaction of (A) a conjugated double bond-containing five-membered cyclic compound such as dicyclopentadiene, (B) a phenolic compound such as phenol, (C) an unsaturated carboxylic acid such as maleic anhydride and (D) a resol-type phenol resin obtained from phenol or an alkyl-substituted phenol and formaldehyde. In one embodiment, this invention relates to a process for the preparation of said resin for printing inks. |