Electrophotographic recording material with cellulose acyl ester

Details Electrophotographic recording material with cellulose acyl ester Electrophotographic recording material with cellulose acyl ester

1978-07-27

1980-09-23

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 56, 430 58, G03G 506, G03G 5087, G03G 514

Patent

active

042243955

ABSTRACT:
This invention relates to an improvement in an electrophotographic recording material comprising an electrically conductive support, optionally an insulating intermediate layer, and a photoconductive layer composed of at least one layer comprising charge carrier-producing and charge transporting compounds, a binder, and conventional additives, the improvement that the recording material comprises a 75 to 250 .mu.m thick support and, in the form of a photoconductor web, is sufficiently flexible that it is not prone to the formation of hairline cracks when repeatedly conducted over rollers of at least 18 mm diameter, said binder being a cellulose acyl ester with an acetyl content of not more than 30 percent and a viscosity of more than 15 poises, measured by the ASTM methods D 817-65, Formula A, and D 1343-56.

REFERENCES:
patent: 2327808 (1943-08-01), Lowe et al.
patent: 2748022 (1956-05-01), Hilborn
patent: 3155503 (1964-11-01), Cassiers et al.
patent: 3331687 (1967-07-01), Kosche
patent: 4072520 (1978-02-01), Rochlitz et al.

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