Laser-sensitive electrophotographic lithograph printing plate ma

Details Laser-sensitive electrophotographic lithograph printing plate ma Laser-sensitive electrophotographic lithograph printing plate ma

1992-08-13

1994-11-08

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 93, G03G 509

Patent

active

053625900

ABSTRACT:
A laser-sensitive electrophotographic lithograph printing plate material having excellent sensitivity to light having a long wavelength of from 700 to 1000 nm, a high thermal resistance and persistency, and high resistance to a change of sensitivity with time, provided with a laser-sensitive photoconductive layer formed on a substrate and comprising a photoconductive pigment; a sensitizing dye comprising at least one compound of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are respectively --CH.sub.3, --C.sub.2 H.sub.5, or --CH.sub.2 --CH.dbd.CH.sub.2 and X is a halogen atom, an antioxidant comprising at least one member selected from radical chain terminators, peroxide-decomposing agents, and heavy metal-deactivating agents, and an electrically insulating binder.

REFERENCES:
patent: 4362800 (1982-12-01), Takimoto et al.
patent: 4418135 (1983-11-01), Beeson et al.
patent: 4563408 (1986-01-01), Lin et al.
patent: 4681827 (1987-07-01), Franke et al.
patent: 4879195 (1989-11-01), Toyofuku et al.
patent: 4929527 (1990-05-01), Kato et al.
patent: 5096793 (1992-03-01), Osawa et al.
Patent Abstracts of Japan, vol. 006, No. 005, Jan. 13, 1982 & JP-A-56 130 759.
Patent Abstracts of Japan, vol. 13, No. 540, Dec. 5, 1989 & JP-A-12 22 266.

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