Electroconductive coatings having excellent coating holdout prop

Details Electroconductive coatings having excellent coating holdout prop Electroconductive coatings having excellent coating holdout prop

1974-12-19

1977-02-08

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 17R, 260 297W, 428511, C08L 4700

Patent

active

040071480

ABSTRACT:
An electroconductive composition useful for coating raw paper stock is provided by combining (1) an electroconductive resin, e.g., poly(vinyl/benzyl trimethyl ammonium chloride) and (2) a water-swellable, cross-linked polymer, e.g., crosslinked polyacrylamide, in the form of discrete particles having swollen diameters in the range from about 1 to about 100 micrometers. Application of this electroconductive coating composition to paper or to some other nonconductive substrate yields an article having decreased surface electrical resistivity and increased organic solvent resistance or holdout. Solvent resistance and other coating properties are further enhanced by including in the electroconductive composition a water-dispersible, film-forming amide polymer and a low viscosity binder such as a latex of styrene/butadiene copolymer.

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patent: 2923692 (1960-02-01), Ackerman et al.
patent: 3479215 (1969-11-01), Cavagna et al.
patent: 3607989 (1971-09-01), Sonnabend
patent: 3674711 (1972-07-01), Growald et al.
patent: 3699112 (1972-10-01), Konishi et al.
patent: 3714104 (1973-01-01), Bergomi, Jr.
patent: 3932564 (1976-01-01), Markhart et al.
Chem. Tech., May, 1971, pp. 304-309, Dolinski et al.

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