An improved fluid printing ink composition suitable for use in laminating inks is provided which comprises a resin, alcohol solvent, and a pigment. In accordance with the present invention the improvement is provided wherein the resin comprises an alcohol soluble polyamide resin having recurring units of the formula:
wherein R₁ is either hydrogen or methyl, R₂ is either a carbocyclic, aralkyl or linear or branched aliphatic group, X is an alkylene group, and Z and Z′ each represent an alkyl group which may be the same or different or taken together to represent an alkylene group. The fluid ink compositions of the invention have superior qualities when used as laminating inks, are less expensive than previous laminating inks, and can be used successfully on a wide variety of packaging films.
本发明提供了一种适用于层压油墨的改进型流体印刷油墨组合物,该组合物由
树脂、醇溶剂和
颜料组成。根据本发明提供的改进,其中
树脂包括具有式中重复单元的醇溶性聚酰胺
树脂:
其中 R₁ 是氢或甲基,R₂ 是碳环基、芳烷基或直链或支链脂肪族基团,X 是亚烷基,Z 和 Z′ 各代表一个烷基,它们可以相同或不同,或共同代表一个亚烷基。本发明的流体油墨组合物用作层压油墨时具有优异的品质,比以前的层压油墨成本低,可成功地用于各种包装膜。