Recording liquid, ink jet recording method and recording equipment using the same

摘要

A recording liquid comprising a coloring material, an organic solvent to disperse or to dissolve said coloring material, water, and a calixÄnÜarene-p-4-sulfonic acid(wherein n=4-8) in the form of free acid or its metal salt. The recording liquid is very suitable for inkjet recording using plain paper as recording medium, The recording liquid shows high storage stability, excellent color reproducibility with hard blurring property of mutual colors at superimposed area thereof, and high resistivity for light fading, for the sake of buffering nature based by both ion capturing and releasing, and hydrophobic material capturing and releasing bestowed by above-mentioned calix compound.