Viscosity stabilized photoconductive coating material and sheet

Details Viscosity stabilized photoconductive coating material and sheet Viscosity stabilized photoconductive coating material and sheet

1975-09-19

1981-02-17

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430135, G03G 5022, G03G 508

Patent

active

042516153

ABSTRACT:
Electrophotographic members prepared by coating a paper or film with a slurry of photoconductive metal-compound particles, e.g., zinc oxide particles, dispersed in a liquid vehicle containing a solution of resinous binder having carboxyl groups. Viscosity of the coating slurry is controlled and/or stabilized by incorporating into the slurry a viscosity stabilizing agent comprising a chelate precursor which forms with the binder a chelating agent having the property of complexing metal ions, e.g., zinc ions, by formation of a ring structure incorporating the metal ion. Suitable viscosity stabilizing agents include: ethylenediamine, diethylenetriamine, and ethylenediaminetetraacetic acid and its salts.

REFERENCES:
patent: 3404979 (1968-10-01), Bonjour
patent: 3649263 (1972-03-01), Tubuko et al.
patent: 3672885 (1972-06-01), Ort
patent: 3725061 (1973-04-01), Verhille et al.
patent: 3756843 (1973-09-01), Honjo et al.
patent: 3778264 (1973-12-01), Arai et al.

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