Rapidly absorbed printing inks and their use
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United States of America Patent
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Jul 24, 2001
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Sep 1, 1984
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Expired
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Abstract
The invention relates to a printing ink which consists of pigments, an alkyd resin binder modified with fatty acids having an iodine number from 120 to 280 (g of I.sub.2 /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 phenolic resin-modified rosin binder are present in proportions from 10 to 40% by weight and 60 to 90% by weight respectively, 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.
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