LOW-MIGRATION, LOW-ODOR AND LOW-SWELLING SHEET-FED OFFSET PRINTING INK

摘要

Disclosed is an offset printing ink composition comprising at least one component selected from the group consisting of (A) a colophony-modified phenolic resin, (B) a maleic resin, (C) a modified hydrocarbon resin, (D) a colophony resin ester, and mixtures thereof, the composition further comprising at least one component selected from the group consisting of a water-insoluble fatty acid ester of a multivalent alcohol having a high steric spatial requirement, a water-insoluble fatty acid ester of an ethinol, and a mixture thereof, wherein the ester has steric dimensions of the diameter 1max of from about 2.0 to about 7.0 nm, and of the volume V means of from about 1.0 to about 21 nm3.