Electrostatic recording material

Details Electrostatic recording material Electrostatic recording material

1986-04-03

1988-06-21

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428323, 428511, 428512, 428513, 428514, 427121, 427261, 3461351, 162138, B32B 300, B32B 516, D21F 1100

Patent

active

047525223

ABSTRACT:
An electrostatic recording material comprising a substrate treated for low electric resistance and a dielectric layer formed on the substrate and composed of a composition comprising an insulating resin having a volume specific resistance of at least 10.sup.12 .OMEGA.cm and a powder of an acrylonitrile-type polymer having a copolymerized acrylonitrile content of at least 95% by weight and containing substantially no ionic groups, said powder having a volume average particle size of from 1.5 to 4 .mu.m and a content of particles having a size exceeding 8 .mu.m as measured by a particle size distribution measuring apparatus, being at most 0.02% by number.

REFERENCES:
patent: 3097964 (1963-07-01), Stowell
patent: 4542059 (1985-09-01), Toganoh et al.

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