Claims
- 1. A photosensitive article comprising:
- (1) a conductive substrate; and,
- (2) an uppermost photosensitive layer which is a heat-dried coating of a photosensitive composition comprising an aqueous solution of a water-soluble prepolymer capable of forming a network structure by cross-linking, and a photoconductive compound selected from the group consisting of cadmium sulfide, cadmium selenide, cadmium sulfoselenide, zinc sulfide and zinc selenide.
- 2. The article of claim 1 wheren said water-soluble prepolymer is at least one condensation-type prepolymer selected from the group consisting of an alkyd resin prepolymer, a phenolic resin prepolymer, an amino resin prepolymer, an epoxy resin prepolymer, an urethane resin prepolymer and a cellulose derivative.
- 3. The article of claim 1 wherein said water-soluble prepolymer is at least one polymerization-type prepolymer selected from the group consisting of a polyacrylic acid prepolymer, a derivative of a polyacrylic acid prepolymer, a polyacrylamide prepolymer, a polyvinylprrolidone prepolymer, a polyvinylether prepolymer, a polyvinylalcohol prepolymer and a copolymer thereof.
- 4. The article of claim 1 wherein said water-soluble prepolymer is in the form of ammonium salt.
- 5. The article of claim 1 wherein said water-soluble prepolymer is contained in an amount of from 10 to 100 parts by weight per 100 parts by weight of said photoconductive compound.
- 6. The article of claim 1 wherein said water is contained in an amount of from 20 to 300 parts by weight per 100 parts by weight of said photoconductive compound.
- 7. The article of claim 1 wherein said photosensitive composition further comprises a hardener selected from the group consisting of an aldehyde, an urea resin prepolymer, a melamine resin prepolymer, a phenolic resin prepolymer an epoxy, ester resin prepolymer and a polybasic acid, in an amount of from 0 to 100 parts by weight per 100 parts by weight of said photoconductive compound.
- 8. The article of claim 1 wherein said photosensitive composition further comprises a polymerization accelerator selected from the group consisting of cobalt naphthenate, calcium naphthenate and lead naphthenate in an amount of from 0 to 10 parts by weight per 100 parts by weight of said photoconductive compound.
- 9. The article of claim 1 wherein said photosensitive composition further comprises an amphipathic solvent selected from the group consisting of methyl alcohol, ethyl alcohol, isopropyl alcohol, n-propyl alcohol, secondary or tertiary butyl alcohol, methyl cellosolve, butyl cellosolve, ethoxybutyl alcohol and ether in an amount of from 0 to 300 parts by weight per 100 parts by weight of said photoconductive compound.
- 10. The article of claim 1 wherein said photosensitive composition further comprises a neutralizing agent selected from the group consisting of ammonia, triethylamine, mono-, di-, triethanol amine, dimethylamine ethanol and diethylaminoethanol.
- 11. The article of claim 1 wherein said photosensitive composition further comprises a fluorine-containing surface active agent.
- 12. A process for producing an electrophotographic element, said process comprising:
- (1) coating a conductive substrate with the aqueous solution defined in claim 1; and,
- (2) heating the coated substrate to dry the coating, thereby producing the electrophotographic article.
- 13. The process of claim 12 wherein said conductive substrate is a metal plate.
- 14. The process of claim 12 wherein said conductive substrate is a thin metal film and plastic laminate.
- 15. The process of claim 12 wherein said drying is at a temperature of 60.degree. to 250.degree. C. and is conducted over a period of time of fifteen minutes to three hours.
Parent Case Info
This application is a continuation, of application Ser. No. 6,104, filed Jan. 24, 1979 which is a continuation of Ser. No. 746,084, filed Nov. 30, 1976 both now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (4)
Number |
Date |
Country |
204093 |
|
AUX |
560435 |
Jul 1958 |
CAX |
1188330 |
|
GBX |
893491 |
Jan 1962 |
GBX |
Continuations (2)
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Number |
Date |
Country |
Parent |
6104 |
Jan 1979 |
|
Parent |
746084 |
Nov 1976 |
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