Production of a color developing record sheet containing metal-m

Details Production of a color developing record sheet containing metal-m Production of a color developing record sheet containing metal-m

1975-05-05

1977-07-05

Herbert, Jr., Thomas J.

Coating processes

Transfer or copy sheet making

Reactive components

260 293, 282 275, 427145, 427146, 427261, 428454, 428530, 428537, 428539, 428914, B41M 512, B41M 516

Patent

active

040341283

ABSTRACT:
Rheologically stable aqueous dispersions of metal-modified novolak resin particles are prepared by grinding an aqueous mixture of the metal-modified novolak resin and anionic polymeric dispersing agent in the presence of a small amount of an organo-phosphorus compound containing two or more phosphonic acid or alkali metal phosphonate groups per molecule. Dispersions of the metal-modified resin particles so produced may be incorporated in color developing coating compositions containing a binder which may be applied and dried on a carrier paper to produce a pressure-sensitive record sheet.

REFERENCES:
patent: 2800457 (1957-07-01), Green et al.
patent: 3455721 (1969-07-01), Phillips et al.
patent: 3516845 (1970-06-01), Brockett
patent: 3672935 (1972-06-01), Miller et al.
patent: 3732120 (1973-05-01), Brockett et al.

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