Conductive barrier coat for electrostatic masters

Details Conductive barrier coat for electrostatic masters Conductive barrier coat for electrostatic masters

1981-02-18

1983-04-12

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 64, 252500, 101462, 101460, 101461, G03G 514, G03G 504

Patent

active

043798225

ABSTRACT:
An electrostatic master for lithographic printing characterized by a base, a barrier coat thereon, and a photo-conductive layer. The barrier coat includes a hydrophobic thermoplastic film-forming resin having labile hydrogen-containing functional groups and a conductive agent. The conductive agent is a quaternary ammonium salt. The salts have only a minimal effect on water resistance and result in excellent reduction in the dielectric characteristics of the barrier coat.

REFERENCES:
patent: 3652268 (1972-03-01), Rowe
patent: 3798032 (1974-03-01), Miller
patent: 3928695 (1975-12-01), Philip et al.
patent: 4293629 (1981-10-01), Shaw et al.

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