Process for producing a photoconductive polyimide coating upon a

Details Process for producing a photoconductive polyimide coating upon a Process for producing a photoconductive polyimide coating upon a

1978-08-08

1982-10-19

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Process of making radiation-sensitive product

430 83, 430136, 528274, 528289, 528292, C08G 6304

Patent

active

043550894

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 2,3,4,7-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 (1971-01-01), Maas
patent: 3787207 (1974-01-01), Hasegawa et al.

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