Color-developing sheet for pressure-sensitive recording sheets

Details Color-developing sheet for pressure-sensitive recording sheets Color-developing sheet for pressure-sensitive recording sheets

1987-12-18

1989-05-30

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Heavy metal reactant

427150, 428342, 428914, 503211, 503212, 503217, 503225, B41M 516

Patent

active

048351350

ABSTRACT:
The color-developing sheet for pressure-sensitive recording sheet contains a color-developing agent comprising an inorganic solid acid in combination with a polyvalent metal salt of carboxylated terpenephenol resin and/or a reaction product of carboxylated terpenephenol resin, aromatic carboxylic acid and polyvalent metal compound.
This color-developing sheet is superior in both sunlight fading resistance and water resistance.

REFERENCES:
patent: 4749680 (1988-06-01), Umeda et al.

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