Ink compositions and preparation

摘要

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-sulfoisophthalic 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.