Solvent for chromogenic dye-precursor material for pressure- sensitive recording paper sheet and pressure-sensitive recording paper sheet prepared by using the solvent

摘要

A solvent for chromogenic dye-precursor material for pressure- sensitive recording paper sheet, comprising 50 to 80% by weight of p- monoisopropylbiphenyl and 50 to 20% by weight of hydrogenated terphenyl, and a pressure-sensitive recording paper sheet prepared by using the solvent.