Rapidly absorbed printing inks and their use

Details Rapidly absorbed printing inks and their use Rapidly absorbed printing inks and their use

C - Chemistry, Metallurgy

09

D

400/1804

C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 1260172

ABSTRACT RAPIDLY ABSORBED PRINTING INKS AND THEIR USE The invention relates to a printing ink which con- sists of pigments, an alkyd resin binder modified with fatty acids having an iodine number from 120 to 280 (g of I2/100 g), a phenolic resin-modified rosin binder and, if appropriate, further binders and further conventional constituents, such as lubricants, solvents, thickeners and thixotropic agents. The alkyd resin binder and the pheno- lic resin-modified rosin binder are present in proportions from 10 to 40% by weight and 60 to 90% by weight respec- tively, their sum giving 100% by weight. The alkyd resin has an acid number of less than 11 and a hydroxyl number from 40 to 260 and has been prepared by reacting a) an unsaturated fatty acid having 6 to 20 carbon atoms or a mixture of such acids or their triglycerides with b) a polyol and c) a dicarboxylic acid.

492298

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