EMULSION INK FOR PERFORATED PLATE PRINTING

摘要

PURPOSE:To obtain the subject ink having an arbitrarily adjustable color tone free from color separation, comprising a specific water-in-oil emulsion, by adding a water-soluble colorant to the water phase. CONSTITUTION:The objective ink comprising a water-in-oil emulsion composed of 10-50wt.% oil phase such as liquid paraffin and 90-50 wt.% aqueous phase and a water-soluble colorant (e.g. C. I. Direct-Yellowl) in the aqueous phase. Pigment (e.g. furnace carbon black) is preferably contained in the oil phase.