US4728592A
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Electrophotoconductor with light-sensitive layer containing alpha-type titanyl phthalocyanine
Assignee: DIC Corp
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Filing: 1986-07-17
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Granted: 1988-03-01
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Expires: 2006-07-17
Abstract
Abstract An electrophotoconductor having a light-sensitive layer characterized in that a titanyl phthalocyanine is dispersed in a binder, said titanyl phthalocyanine having the structure represented by the general formula: <IMAGE> (wherein X1, X2, X3 and X4 each and independently represent Cl or Br; and k, l, m and n each and independently represent 0 or an integer of 1 to 4) and an alpha-type crystallographic form.
Inventors
- 👤 Kenichi Ohaku
- 👤 Hiroshi Nakano
- 👤 Masao Aizawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:55
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0696
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
76 words
An electrophotoconductor for use in electrophotography, which comprises an electrically conductive support and a light-sensitive layer comprising a titanyl phthalocyanine dispersed in a binder and having the structure represented by the formula: ##STR183## wherein X 1 , X 2 , X 3 and X 4 each and independently represent c or Br; and k, l, m and n each and independently represent zero or an integer of 1 to 4 and having the alpha-type crystallographic form.
Claim 2
Dependent Claim
76 words
An electrophotoconductor for use in electrophotography, which comprises an electrically conductive support and a light-sensitive layer comprising a titanyl phthalocyanine dispersed in a binder and having the structure represented by the formula: ##STR183## wherein X 1 , X 2 , X 3 and X 4 each and independently represent c or Br; and k, l, m and n each and independently represent zero or an integer of 1 to 4 and having the alpha-type crystallographic form.
Claim 3
Dependent Claim
40 words
An electrophotoconductor according to claim 1, wherein said alpha-type titanyl phthalocyanine, upon X-ray diffraction with Cu-Kα radiation, provides characteristic peaks at Bragg angles (2θ) of 7.6, 10.2, 12.6, 13.2, 15.1, 16.2, 17.2, 18.3, 22.5, 24.2, 25.3, 28.6, 29.3 and 31.5.
Claim 4
Dependent Claim
14 words
An electrophotoconductor according to claim 1, wherein said light-sensitive layer is a single layer.
Claim 5
Dependent Claim
15 words
An electrophotoconductor according to claim 3, wherein said light-sensitive layer contains a charge transport material.
Claim 6
Dependent Claim
15 words
An electrophotoconductor according to claim 3, wherein said light-sensitive layer contains a charge generation material.
Claim 7
Dependent Claim
21 words
An electrophotoconductor according to claim 3, wherein said light-sensitive layer contains both a charge transport material and a charge generation material.
Claim 8
Dependent Claim
29 words
An electrophotoconductor according to claim 4, wherein said charge transport material is at least one compound selected from the group consisting of indoline compounds, quinoline compounds and triphenylamine compounds.
Claim 9
Dependent Claim
23 words
An electrophotoconductor according to claim 5, wherein said charge generation material is selected from the group consisting of perylene compounds and bisazo compounds.
Claim 10
Dependent Claim
112 words
An electrophotoconductor according to claim 7, wherein said indoline compound is represented by the formula: ##STR184## wherein R 1 is selected from the group consisting of alkyl, aralkyl, substituted araklyl, aryl and substituted aryl; R 2 and R 3 are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl; R 4 is selected from the group consisting of hydrogen, halogen, alkyl, aralkyl and substituted aralkyl; R 5 and R 6 are each independently selected from the group consisting of alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl and R 5 and R 6 may be bonded to each other to form a ring.
Claim 11
Dependent Claim
63 words
An electrophotoconductor according to claim 7, wherein said indoline compound is represented by the formula: ##STR185## wherein A is selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic; and R 1 ' and R 2 ' are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl aryl and substituted aryl.
Claim 12
Dependent Claim
64 words
An electrophotoconductor according to claim 7, wherein said quinoline compound is represented by the formula: ##STR186## wherein B is selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic; R 1 ", R 2 " and R 3 are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl.
Claim 13
Dependent Claim
45 words
An electrophotoconductor according to claim 7, wherein said triphenylamine compound is represented by the formula: ##STR187## wherein Ar 1 , Ar 2 and Ar 3 are each independently selected from the group consisting of aromatic hydrocarbon, selected aromatic hydrocarbon aromatic heterocyclic and substituted aromatic heterocyclic.
Claim 14
Dependent Claim
40 words
An electrophotoconductor according to claim 8, wherein said perylene compound is represented by the formula: ##STR188## wherein R 1 "' and R 2 "' are each independently selected from the group consisting of hydrogen alkyl, aryl, substituted aryl and amino.
Claim 15
Dependent Claim
16 words
An electrophotoconductor according to claim 8, wherein said perylene compound is represented by the formula: ##STR189##
Claim 16
Dependent Claim
34 words
An electrophotoconductor according to claim 8, wherein said bisazo compound is represented by the formula: ##STR190## (wherein -- ○A" -- is a divalent conjugate organic group; and -- ○B" is a monovalent organic group).
Claim 17
Dependent Claim
26 words
An electrophotoconductor according to claim 8, wherein said bisazo compound is represented by the formula: ##STR191## (wherein -- ○A" -- is a divalent conjugate organic group).
Claim 18
Dependent Claim
34 words
An electrophotoconductor according to claim 8, wherein said bisazo compound is represented by the formula: ##STR192## (wherein -- ○A" -- is a divalent conjugate organic group; and -- ○B" is a monovalent organic group).
Claim 19
Dependent Claim
24 words
An electrophotoconductor according to claim 1, wherein said light-sensitive layer is a multi-layer which comprises a charge generation layer and a charge transport layer.
Claim 20
Dependent Claim
16 words
An electrophotoconductor according to claim 18, wherein said charge transport layer contains a charge transport material.
Claim 21
Dependent Claim
16 words
An electrophotoconductor according to claidm 18, wherein said charge generation layer contains a charge generation material.
Claim 22
Dependent Claim
16 words
An electrophotoconductor according to claidm 18, wherein said charge generation layer contains a charge generation material.
Claim 23
Dependent Claim
29 words
An electrophotoconductor according to claim 19, wherein said charge transport material is at least one compound selected from the group consisting of indoline compounds, quinoline compounds and triphenylamine compounds.
Claim 24
Dependent Claim
23 words
An electrophotoconductor according to claim 20, wherein said charge generation material is selected from the group consisting of perylene compounds and bisazo compounds.
Claim 25
Dependent Claim
114 words
An electrophotoconductor according to claim 21, wherein said indoline compound is represented by the formula ##STR193## wherein R 1 is selected from the group consisting of hydrogen, alkyl, aralkyl is substituted aralkyl, aryl and substituted aryl; R 2 and R 3 are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl; R 4 is selected from the group consisting of hydrogen, halogen, alkyl, aralkyl and substituted aralkyl; R 5 and R 6 are each independently selected from the group consisting of alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl, and R 5 and R 6 may be bonded to each other to form a ring.
Claim 26
Dependent Claim
63 words
An electrophotoconductor according to claim 21, wherein said indoline compound is represented by the formula: ##STR194## wherein A is selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic; and R 1 ' and R 2 ' are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl.
Claim 27
Dependent Claim
65 words
An electrophotoconductor according to claim 21, wherein said quinoline compound is represented by the formula: ##STR195## wherein B is selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic; R 1 ", R 2 " and R 3 " are each independently selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, substituted aralkyl, aryl and substituted aryl.
Claim 28
Dependent Claim
45 words
An electrophotoconductor according to claidm 21, wherein said triphenalamine compound is represented by the formula: ##STR196## wherein Ar 1 , Ar 2 and Ar 3 are each independently selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic.
Claim 29
Dependent Claim
45 words
An electrophotoconductor according to claidm 21, wherein said triphenalamine compound is represented by the formula: ##STR196## wherein Ar 1 , Ar 2 and Ar 3 are each independently selected from the group consisting of aromatic hydrocarbon, substituted aromatic hydrocarbon, aromatic heterocyclic and substituted aromatic heterocyclic.
Claim 30
Dependent Claim
40 words
An electrophotoconductor according to claim 22, wherein said perylene compound is represented by the formula: ##STR197## wherein R 1 "' and R 2 "' is each independently selected from the group consisting of hydrogen, alkyl, aryl, substituted aryl, and amino.
Claim 31
Dependent Claim
16 words
An electrophotoconductor according to claim 22, wherein said perylene compound is represented by the formula: ##STR198##
Claim 32
Dependent Claim
34 words
An electrophotoconductor according to claim 22, wherein said bisazo compound is represented by the formula: ##STR199## wherein -- ○A" -- is a divalent conjugated organic group; and -- ○B" is a monovalent organic group.
Claim 33
Dependent Claim
26 words
An electrophotoconductor according to claim 22, wherein said bisazo compound is represented by the formula: ##STR200## wherein -- ○A" -- is a divalent conjugate organic group.
Claim 34
Dependent Claim
33 words
An electrophotoconductor according to claim 22, wherein said bisazo compound is represented by the formula: ##STR201## -- ○A" -- is a divalent conjugate organic group; and -- ○B" is a monovalent organic group.
References Cited (Backward Citations)
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