Method of providing an electrophotographic coating and compositi

Details Method of providing an electrophotographic coating and compositi Method of providing an electrophotographic coating and compositi

1973-11-14

1976-03-16

Weiffenbach, Cameron K.

Coating processes

Electrical product produced

Photoelectric

427126, 427121, 427385, 427372, 427391, 96 1R, B05D 512

Patent

active

039446824

ABSTRACT:
A method of forming an electrophotographic coating which includes preparing a mixture which comprises finely divided photoconductive material dispersed in an organic resin binder. The resin, which exhibits an acid value of at least 3, or a hydroxyl value of at least 15, is heat-treated for a time and temperature enclosed within the area ABCDEFGH of the temperature-treating diagram shown in the accompanying drawing. Following this treatment, the mixture is dissolved in a volatile solvent for the binder resin, and the dispersion is coated onto a conductive backing to form a substantially uniform layer.

REFERENCES:
patent: 3121006 (1957-06-01), Middleton et al.
patent: 3595650 (1971-07-01), Holyinger et al.
patent: 3598643 (1971-08-01), Hodes et al.

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