Anodized electrostatic imaging surface

Details Anodized electrostatic imaging surface Anodized electrostatic imaging surface

1982-02-05

1983-11-01

Douglas, Winston A.

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

204 37R, 204 38A, 204 38E, G03G 1322

Patent

active

044130490

ABSTRACT:
Dielectric sealing of porous anodized aluminum, in which moisture in the pores of the coating formed by hardcoat anodizing is removed, and the porous anodized surface then impregnated with a water insoluble metallic salt. The impregnant material is a compound of a Group II or III metal with a long chain fatty acid containing between 8 and 32 carbon atoms, saturated or unsaturated. The impregnant material may be applied as a hot melt or in solution; in the former case, any excess material is removed from the surface. The resulting product has excellent resistivity and dielectric properties, and maintains these properties at elevated humidities. As a final step the surface may be polished to provide favorable toner release characteristics during pressure transfer.

REFERENCES:
patent: 1978112 (1934-10-01), Malby
patent: 1996392 (1935-04-01), Torrence et al.
patent: 3615405 (1971-10-01), Shebanow
patent: 3662395 (1972-05-01), Doi
patent: 3715211 (1973-02-01), Quaintance
patent: 3782997 (1974-01-01), Daly
patent: 4130466 (1978-12-01), Kramer

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