Process for the production of photoconductive zinc oxide of impr

Details Process for the production of photoconductive zinc oxide of impr Process for the production of photoconductive zinc oxide of impr

1979-05-03

1981-02-03

Kimlin, Edward C.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430127, G03G 508

Patent

active

042489539

ABSTRACT:
Photoconductive zinc oxide characterized by having improved electrophotographic properties and particularly increased discharge speed, and produced by a process involving mixing the photoconductive zinc oxide powder to be improved with 0.01% by weight or more tellurium calculated as Te, and contacting the thus-obtained mixture with a free oxygen-containing gas while heating the mixture at elevated temperature sufficiently high and for a time sufficient to result in the zinc oxide having the improved electrophotographic properties. The heating temperature and/or heating time is held below that temperature or time at which sintering of the thus-treated product occurs.

REFERENCES:
patent: 3801316 (1974-04-01), Bowman
patent: 4098609 (1978-07-01), Logue et al.

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