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

1977-03-21

1978-04-04

Herbert, Jr., Thomas J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

282 275, 427145, 427146, 427150, 427261, 428454, 428530, 428537, 428539, 428914, C08L 6106, B41M 512, B41M 516

Patent

active

040827135

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: 3455721 (1969-07-01), Phillips et al.
patent: 3516845 (1970-06-01), Brockett
patent: 3732120 (1973-05-01), Brockett et al.
patent: 3970769 (1976-07-01), Kato et al.

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