Claims
- 1. A charge transporting material, comprising one or more compounds having the formula (I): ##STR247## wherein R.sup.1 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; an aralkyl group; a nitro group; an unsubstituted or substituted aryl group; a halogen; an amino group; an unsubstituted or substituted dialkylamino group; R.sup.2 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; or a halogen; R.sup.3 represents hydrogen; an alkyl group having 1 to 4 carbon atoms; an alkoxyl group having 1 to 4 carbon atoms; a halogen; a dialkylamino group; an amino group; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; a methylenedioxy group; an aralkyl group; or an unsubstituted or substituted aryl group; R.sup.4 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group; or a halogen; Ar represents an unsubstituted or substituted monocyclic hydrocarbon group, non-condensed polycyclic hydrocarbon group or heterocyclic group; k is an integer of 0 to 5, l is an integer of 0 to 4, and (p+m) is 0 to 5, provided that when Ar is an unsubstituted phenyl group, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 cannot be hydrogen at the same time.
- 2. The charge transporting material as claimed in claim 1, wherein said alkyl group represented by R.sup.1 in formula (I) is an alkyl group having 1 to 4 carbon atoms.
- 3. The charge transporting material as claimed in claim 1, wherein said aryloxy group represented by R.sup.1 is selected from the group consisting of a phenoxy group and a naphthoxy group.
- 4. The charge transporting material as claimed in claim 1, wherein said aralkyl group represented by R.sup.1 is C.sub.6 H.sub.5 (CH.sub.2).sub.n --, where n is 1 to 4.
- 5. The charge transporting material as claimed in claim 1, wherein said unsubstituted or substituted aryl group represented by R.sup.1 is selected from the group consisting of a phenyl group and a naphthyl group which may have a substituent selected from the group consisting of an alkyl group having 1 to 4 carbon atoms and an alkoxyl group having 1 to 4 carbon atoms.
- 6. The charge transporting material as claimed in claim 1, wherein said alkyl group represented by R.sup.2 is an alkyl group having 1 to 4 carbon atoms.
- 7. The charge transporting material as claimed in claim 1, wherein said aryloxy group represented by R.sup.3 is selected from the group consisting of a phenoxy group and a naphthoxy group.
- 8. The charge transporting material as claimed in claim 1, wherein said aralkyl group represented by R.sup.3 is C.sub.6 H.sub.5 (CH.sub.2).sub.n --, where n is 1 to 4.
- 9. The charge transporting material as claimed in claim 1, wherein said unsubstituted or substituted aryl group represented by R.sup.3 is selected from the group consisting of a phenyl group and a naphthyl group which may have a substituent selected from the group consisting of an amino group, an unsubstituted or substituted dialkylamino group, an alkoxyl group, a thioalkyl group, an aryloxy group, an unsubstituted or substituted alkyl group, an alkoxyl group having 1 to 4 carbon atoms, and a halogen.
- 10. The charge transporting material as claimed in claim I, wherein said alkoxyl group represented by R.sup.4 is an alkoxyl group having 1 to 4 carbon atoms.
- 11. The charge transporting material as claimed in claim 1, wherein said alkyl group represented by R.sup.4 is an alkyl group having 1 to 4 carbon atoms.
- 12. The charge transporting material as claimed in claim 1, wherein Ar in formula (I) is ##STR248## wherein R.sup.5 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; a methylenedioxy group; an aralkyl group; a nitro group; an unsubstituted or substituted aryl group; a halogen; or an amino group; or an unsubstituted or substituted dialkylamino group.
- 13. The charge transporting material as claimed in claim 12, wherein said alkyl group represented by R.sup.5 is an alkyl group having 1 to 4 carbon atoms.
- 14. The charge transporting material as claimed in claim 12, wherein said aryloxy group represented by R.sup.5 is selected from the group consisting of a phenoxy group and a naphthoxy group.
- 15. The charge transporting material as claimed in claim 12, wherein said aralkyl group represented by R.sup.5 is C.sub.6 H.sub.5 (CH.sub.2).sub.n -- where n is 1 to 4.
- 16. The charge transporting material as claimed in claim 12, wherein said unsubstituted or substituted aryl group is selected from the group consisting of a phenyl group and a naphthyl group, which may have as a substituent an alkyl group having 1 to 4 carbon atoms or an alkoxyl group having 1 to 4 carbon atoms.
- 17. A charge transporting material, comprising one or more compounds having the formula (I-1): ##STR249## wherein R.sup.1 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a thioalkoxyl group, an aryloxy group, a methylenedioxy group, an aralkyl group, a nitro group, or an unsubstituted or substituted aryl group; R.sup.2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a halogen; and R.sup.3 and R.sup.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a halogen, a dialkylamino group, an amino group, a thioalkoxyl group, an aryloxy group, a methylenedioxy group, an aralkyl group, or an unsubstituted or substituted aryl group, k, m and n are each independently an integer of 0 to 5, and l is an integer of 0 to 4, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.5 cannot be hydrogen at the same time.
- 18. The charge transporting material as claimed in claim 17, having the formula (I-1): ##STR250## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or an alkoxyl group having 1 to 4 carbon atoms, k, m and n are each independently an integer of 0 to 5, and l is an integer of 0 to 4, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.5 cannot be hydrogen at the same time.
- 19. An electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon comprising at least one aminobiphenyl compound having formula: ##STR251## wherein R.sup.1 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; an aralkyl group; a nitro group; an unsubstituted or substituted aryl group; a halogen; an amino group; an unsubstituted or substituted dialkylamino group; R.sup.2 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group having 1 to 4 carbon atoms; or a halogen; R.sup.3 represents hydrogen; an alkyl group having 1 to 4 carbon atoms; an alkoxyl group having 1 to 4 carbon atoms; a halogen; a dialkylamino group; an amino group; a thioalkoxyl group having 1 to 4 carbon atoms; an aryloxy group; a methylenedioxy group; an aralkyl group; or an unsubstituted or substituted aryl group; R.sup.4 represents hydrogen; an unsubstituted or substituted alkyl group; an alkoxyl group; or a halogen; Ar represents an unsubstituted or substituted monocyclic hydrocarbon group, non-condensed polycyclic hydrocarbon group or heterocyclic group; k is an integer of 0 to 5, l is an integer of 0 to 4, and (p+m) is 0 to 5, provided that when Ar is an unsubstituted phenyl group, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 cannot be hydrogen at the same time.
- 20. The electrophotographic photoconductor as claimed in claim 19, wherein said photoconductive layer further comprises a binder agent which constitutes a charge transporting medium in combination with said aminobiphenyl compound; and a charge generating material dispersed within said charge transporting medium.
- 21. The electrophotographic photoconductor as claimed in claim 19, wherein said photoconductive layer comprises a charge generating layer containing a charge generating material and a charge transporting layer containing said aminobiphenyl compound as a charge transporting material.
- 22. The electrophotographic photoconductor as claimed in claim 19, wherein the amount of said aminobiphenyl compound is in the range of 30 wt. % to 70 wt. % of the entire weight of said photoconductive layer.
- 23. The electrophotographic photoconductor as claimed in claim 20, wherein the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer, and the amount of said charge generating material is in the range of 0.1 wt. % to 50 wt. % of the entire weight of said photoconductive layer.
- 24. The electrophotographic photoconductor as claimed in claim 21, wherein the amount of said charge generating material is in the range of 10 wt. % to 95 wt. % of the entire weight of said charge generating layer, and the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer.
- 25. An electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon comprising at least one aminobiphenyl compound having formula: ##STR252## wherein R.sup.1 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a thioalkoxyl group, an aryloxy group, a methylenedioxy group, an aralkyl group, a nitro group, or an unsubstituted or substituted aryl group; R.sup.2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a halogen; and R.sup.3 and R.sup.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a halogen, a dialkylamino group, an amino group, a thioalkoxyl group, an aryloxy group, a methylenedioxy group, an aralkyl group, or an unsubstituted or substituted aryl group, k, m and n are each independently an integer of 0 to 5, and l is an integer of 0 to 4, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.5 cannot be hydrogen at the same time.
- 26. The electrophotographic photoconductor as claimed in claim 25, wherein said aminobiphenyl compound has the formula ##STR253## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.5 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or an alkoxyl group having 1 to 4 carbon atoms, k, m and n are each independently an integer of 0 to 5, and l is an integer of 0 to 4, provided that R.sup.1, R.sup.2, R.sup.3 and R.sup.5 cannot be hydrogen at the same time.
- 27. The electrophotographic photoconductor as claimed in claim 25, wherein said photoconductive layer further comprises a binder agent which constitutes a charge transporting medium in combination with said aminibiphenyl compound; and a charge generating material dispersed within said charge transporting medium.
- 28. The electrophotographic photoconductor as claimed in claim 25, wherein said photoconductive layer comprises a charge generating layer containing a charge generating material and a charge transporting layer containing said aminobiphenyl compound as a charge transporting material.
- 29. The electrophotographic photoconductor as claimed in claim 25, wherein the amount of said aminibiphenyl compound is in the range of 30 wt. % to 70 wt. % of the entire weight of said photoconductive layer.
- 30. The electrophotographic photoconductor as claimed in claim 27, wherein the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer, and the amount of said charge generating material is in the range of 0.1 wt. % to 50 wt. % of the entire weight of said photoconductive layer.
- 31. The electrophotographic photoconductor as claimed in claim 28, wherein the amount of said charge generating material is in the range of 10 wt. % to 95 wt. % of the entire weight of said charge generating layer, and the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer.
- 32. The electrophotographic photoconductor as claimed in claim 26, wherein said photoconductive layer further comprises a binder agent which constitutes a charge transporting medium in combination with said aminibiphenyl compound; and a charge generating material dispersed within said charge transporting medium.
- 33. The electrophotographic photoconductor as claimed in claim 26, wherein said photoconductive layer comprises a charge generating layer containing a charge generating material and a charge transporting layer containing said aminobiphenyl compound as a charge transporting material.
- 34. The electrophotographic photoconductor as claimed in claim 26, wherein the amount of said aminibiphenyl compound is in the range of 30 wt. % to 70 wt. % of the entire weight of said photoconductive layer.
- 35. The electrophotographic photoconductor as claimed in claim 32, wherein the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer, and the amount of said charge generating material is in the range of 0.1 wt. % to 50 wt. % of the entire weight of said photoconductive layer.
- 36. The electrophotographic photoconductor as claimed in claim 33, wherein the amount of said charge generating material is in the range of 10 wt. % to 95 wt. % of the entire weight of said charge generating layer, and the amount of said aminobiphenyl compound is in the range of 10 wt. % to 95 wt. % of the entire weight of said photoconductive layer.
- 37. The electrophotographic photoconductor as claimed in claim 25, wherein said photoconductive layer has a thickness in the range of 3-50 .mu.m.
- 38. The electrophotographic photoconductor as claimed in claim 37, wherein said photoconductive layer has a thickness in the range of 5-10 .mu.m.
- 39. The electrophotographic photoconductor as claimed in claim 25, wherein said photoconductive layer contains a sensitizer dye in the amount of 0.1 to 5 wt. % of the total weight.
- 40. The electrophotographic photoconductor as claimed in claim 28, wherein said charge generating layer has a thickness of 5 .mu.m or less, and said charge transporting layer has a thickness of about 3-50 .mu.m.
- 41. The electrophotographic photoconductor as claimed in claim 25, which further comprises an adhesive or barrier layer between said electroconductive layer and said photoconductive layer, said adhesive or barrier layer having a thickness of 1 .mu.m or less.
Priority Claims (2)
Number |
Date |
Country |
Kind |
1-18698 |
Jan 1989 |
JPX |
|
1-18699 |
Jan 1989 |
JPX |
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Parent Case Info
This is a division of application Ser. No. 08/077,968, filed on Jun. 18, 1993, now U.S. Pat. No. 5,298,661 which is a continuation of application Ser. No. 07/817,975, filed on Jan. 8, 1992 now abandoned, which is a continuation of application Ser. No. 07/442,533, filed on Nov. 28, 1989 now abandoned, which is a Continuation-in-Part of application Ser. No. 07/260,063, filed on Oct. 20, 1988, now U.S. Pat. No. 4,898,800.
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4898800 |
Shimada et al. |
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4937165 |
Ong et al. |
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5202207 |
Kanemaru et al. |
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Divisions (1)
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Number |
Date |
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Parent |
77968 |
Jun 1993 |
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Continuations (2)
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Number |
Date |
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Parent |
817975 |
Jan 1992 |
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Parent |
442533 |
Nov 1989 |
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Continuation in Parts (1)
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Number |
Date |
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Parent |
260063 |
Oct 1988 |
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