Printing inks based on mineral oil and their use for sheet offset printing

摘要

A printing ink based on mineral oil contains, as a binder, a mixture of A) from 10 to 50% by weight of an alkyd resin having a hydroxyl number of from 40 to 260 and an acid number of from 10 to 70 and B) from 50 to 90% by weight of a reaction product of rosin and a phenol/formaldehyde condensate. The printing inks are used in the sheet offset printing process.