Photoconductive polyimide coating upon a substrate

Details Photoconductive polyimide coating upon a substrate Photoconductive polyimide coating upon a substrate

1981-06-08

1982-12-14

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430103, 430137, 430903, G03G 507

Patent

active

043638600

ABSTRACT:
A photoconductive layer is produced upon a substrate by coating the substrate with a solution in an organic solvent of a polyamic acid and of 2,4,7-trinitro-9-fluorenone (TNF) and/or 2,4,5,7-tetranitro-9-fluorenone and heating the coated substrate at a temperature not exceeding 150.degree. C. to form on the substrate a polyimide coating containing the said fluorenone compound as a photosensitizer.

REFERENCES:
patent: 3533785 (1970-10-01), Fox et al.
patent: 3554744 (1971-11-01), Maas
patent: 3787207 (1974-01-01), Hasegawa et al.

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