Ink compositions and preparation

Details Ink compositions and preparation Ink compositions and preparation

C - Chemistry, Metallurgy

09

D

117/65, 400/7610

C09D 11/10 (2006.01) C08L 67/00 (2006.01) C08L 77/00 (2006.01)

Patent

CA 1322805

AQUEOUS ALCOHOL INKS Abstract of the Disclosure A composition useful in printing inks exemplified as comprising: (A) from about 0.1 to about 60 weight % of one or more polyester materials having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodio- sulfoisiophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof; (B) from about 1.0 to about 60 weight % of pigment material blended with said polyester material; and (C) from about 10 to about 90 weight % of water admixed with alcohol selected from methanol, ethanol, n-propanol, isopropanol or mixtures thereof, preferably n-propanol by itself, in a weight ratio of water to alcohol of from about 99/1 to about 1/1. LE0359F

537342

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