CAPSULATED INK FOR LETTERPRESS AND PRINTING SHEET FOR IT

摘要

PURPOSE:To obtain the title ink useful for obtaining a pressure-sensitive copying sheet with excellent coloring characteristics by incorporating a microcapsule and a plurality of specified vehicles as basic ingredients. CONSTITUTION:A microcapsule (e.g. a product obtd. by encapsulating an inner- phase oil obtd. by dissolving a red dye in benzyltoluene with a melamine-HCHO resin film) and an alcohol (e.g. ethylene glycol) and a resin (e.g. a maleic acid resin) as vehicle ingredients are incorporated as basic ingredients.