Solvent for the dye of pressure-sensitive recording paper

Details Solvent for the dye of pressure-sensitive recording paper Solvent for the dye of pressure-sensitive recording paper

B - Operations, Transporting

41

M

42/15

B41M 5/165 (2006.01)

Patent

CA 1238187

ABSTRACT OF THE DISCLOSURE A solvent for the dye of pressure-sensitive recording paper which solvent has no offensive odor and both the color developing rate and developed color density are excellent. The solvent is is characterized in that it comprises a fraction mainly containing triaryldialkanes having boiling points above 350°C but not higher than 450°C that is prepared by disproportionating diarylalkane or a hydrocarbon mixture comprising the same at temperatures in the range of 20 to 500°C in the presence of a disproportio- nation catalyst, said diarylalkane having boiling points in the range of 260 to 320°C.

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