Process for producing a sheet of color-developer for pressure-se

Details Process for producing a sheet of color-developer for pressure-se Process for producing a sheet of color-developer for pressure-se

1987-10-06

1989-04-11

Hess, Bruce H.

Coating processes

Transfer or copy sheet making

Reactive components

427151, 428914, 503209, 503213, 503214, 503225, B41M 516

Patent

active

048205508

ABSTRACT:
Disclosed herein is a process for producing a sheet of a color-developer for a pressure-sensitive recording paper, which process comprises the steps of dissolving an organic color-developer in an organic solvent, dispersing the formed solution into water, thereby forming minute liquid droplets with a diameter of 0.01 to 2 .mu.m, removing the solvent in the liquid droplets by heating while taking care not to cause any coalescence of the droplets and also any unstabilization of the emulsion, thereby forming a slurry comprising the minute granules of the color-developer and applying the slurry on a supporting sheet.

REFERENCES:
patent: 4069353 (1978-01-01), Matsukawa et al.
patent: 4562116 (1985-12-01), Okada et al.
patent: 4601920 (1986-07-01), Mitsuo et al.
patent: 4670344 (1987-06-01), Okada et al.

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