Photoconductive toner comprising a sensitizer dye

Details Photoconductive toner comprising a sensitizer dye Photoconductive toner comprising a sensitizer dye

1991-06-18

1993-11-09

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

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

430109, 430901, G03G 909

Patent

active

052601587

ABSTRACT:
A photoconductive toner of the present invention contains a resin binder, zinc oxide, and a dye for sensitization of the zinc oxide, the sensitizer dye being represented by the following formula (1): ##STR1## wherein, X.sup.1 to X.sup.8 represent hydrogen or methoxy groups with a proviso that at least one of X.sup.1 to X.sup.8 represents a methoxy group, R.sup.1 and R.sup.2 are independently alkyl groups or derivatives thereof, and n is an integer. A photoconductive toner of the present invention satisfies requirements for both sensitivity and coloration, and, moreover, possesses high photosensitivity in the laser wavelength region as compared with conventional toners.

REFERENCES:
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patent: 4301227 (1981-11-01), Hotta et al.
patent: 4539284 (1985-09-01), Barbetta et al.
patent: 4587195 (1986-05-01), Ishikawa et al.
patent: 4921768 (1990-05-01), Kunugi et al.
patent: 5053821 (1991-10-01), Kunugi et al.
Patent Abstracts of Japan, vol. 14, No. 191 (P-1038) (4134), Apr. 18, 1990 of JP-A-2 37364, Feb. 7, 1990.
Patent Abstracts of Japan, vol. 07, No. 206 (P-222) (1351), Sep. 10, 1983 of JP-A-58 102247, Jun. 17, 1983.

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