JPH01100558A - Electrophotographic sensitive body - Google Patents
Electrophotographic sensitive bodyInfo
- Publication number
- JPH01100558A JPH01100558A JP25737587A JP25737587A JPH01100558A JP H01100558 A JPH01100558 A JP H01100558A JP 25737587 A JP25737587 A JP 25737587A JP 25737587 A JP25737587 A JP 25737587A JP H01100558 A JPH01100558 A JP H01100558A
- Authority
- JP
- Japan
- Prior art keywords
- general formula
- formula
- group
- electrophotographic photoreceptor
- phenolic hydroxyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000049 pigment Substances 0.000 claims abstract description 131
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims abstract description 29
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 17
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 9
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 6
- 108091008695 photoreceptors Proteins 0.000 claims description 51
- 239000000126 substance Substances 0.000 claims description 30
- 125000001424 substituent group Chemical group 0.000 claims description 27
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 125000003118 aryl group Chemical group 0.000 claims description 17
- 125000000623 heterocyclic group Chemical group 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 13
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 11
- 125000005843 halogen group Chemical group 0.000 claims description 11
- 125000003277 amino group Chemical group 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 125000004434 sulfur atom Chemical group 0.000 claims description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 125000003367 polycyclic group Chemical group 0.000 claims description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims 1
- 125000000547 substituted alkyl group Chemical group 0.000 claims 1
- 239000002800 charge carrier Substances 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 210000003127 knee Anatomy 0.000 description 51
- 230000032258 transport Effects 0.000 description 35
- -1 S-butyl Chemical group 0.000 description 29
- 238000000576 coating method Methods 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 239000005018 casein Substances 0.000 description 8
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 8
- 235000021240 caseins Nutrition 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 description 6
- 125000004076 pyridyl group Chemical group 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 125000001309 chloro group Chemical group Cl* 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 3
- 125000001246 bromo group Chemical group Br* 0.000 description 3
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 3
- 229920001230 polyarylate Polymers 0.000 description 3
- 125000002112 pyrrolidino group Chemical group [*]N1C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000005577 anthracene group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 239000004305 biphenyl Chemical group 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 125000006267 biphenyl group Chemical group 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002541 furyl group Chemical group 0.000 description 2
- 230000005525 hole transport Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 229920002382 photo conductive polymer Polymers 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- IHKAGESSVVOIIU-UHFFFAOYSA-N (3-ethoxy-3-methoxypropyl) hypofluorite Chemical group CCOC(OC)CCOF IHKAGESSVVOIIU-UHFFFAOYSA-N 0.000 description 1
- ZXBSSAFKXWFUMF-UHFFFAOYSA-N 1,2,3-trinitrofluoren-9-one Chemical compound C12=CC=CC=C2C(=O)C2=C1C=C([N+](=O)[O-])C([N+]([O-])=O)=C2[N+]([O-])=O ZXBSSAFKXWFUMF-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- WQGWMEKAPOBYFV-UHFFFAOYSA-N 1,5,7-trinitrothioxanthen-9-one Chemical compound C1=CC([N+]([O-])=O)=C2C(=O)C3=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C3SC2=C1 WQGWMEKAPOBYFV-UHFFFAOYSA-N 0.000 description 1
- VDESPCTYYGQYKU-UHFFFAOYSA-N 18-oxapentacyclo[12.7.0.02,7.08,13.015,19]henicosa-1(14),2,4,6,8,10,12,15(19),16,20-decaene Chemical group C1=CC=CC2=C3C(C=CO4)=C4C=CC3=C(C=CC=C3)C3=C21 VDESPCTYYGQYKU-UHFFFAOYSA-N 0.000 description 1
- BNEIZVAKXQXPAZ-UHFFFAOYSA-N 2-(1-oxo-2h-fluoren-9-ylidene)propanedinitrile Chemical compound N#CC(C#N)=C1C2=CC=CC=C2C2=C1C(=O)CC=C2 BNEIZVAKXQXPAZ-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- WGRSVHBSCVGKDP-UHFFFAOYSA-N 2-ethyl-9h-carbazole-1-carbaldehyde Chemical compound C1=CC=C2C3=CC=C(CC)C(C=O)=C3NC2=C1 WGRSVHBSCVGKDP-UHFFFAOYSA-N 0.000 description 1
- PGDARWFJWJKPLY-UHFFFAOYSA-N 4-[2-[3-[4-(diethylamino)phenyl]-2-phenyl-1,3-dihydropyrazol-5-yl]ethenyl]-n,n-diethylaniline Chemical compound C1=CC(N(CC)CC)=CC=C1C=CC1=CC(C=2C=CC(=CC=2)N(CC)CC)N(C=2C=CC=CC=2)N1 PGDARWFJWJKPLY-UHFFFAOYSA-N 0.000 description 1
- XCKUSNNVDLVJQJ-UHFFFAOYSA-N 4-[2-[3-[4-(diethylamino)phenyl]-4-methyl-2-phenyl-1,3-dihydropyrazol-5-yl]ethenyl]-n,n-diethylaniline Chemical compound C1=CC(N(CC)CC)=CC=C1C=CC1=C(C)C(C=2C=CC(=CC=2)N(CC)CC)N(C=2C=CC=CC=2)N1 XCKUSNNVDLVJQJ-UHFFFAOYSA-N 0.000 description 1
- UZGVMZRBRRYLIP-UHFFFAOYSA-N 4-[5-[4-(diethylamino)phenyl]-1,3,4-oxadiazol-2-yl]-n,n-diethylaniline Chemical compound C1=CC(N(CC)CC)=CC=C1C1=NN=C(C=2C=CC(=CC=2)N(CC)CC)O1 UZGVMZRBRRYLIP-UHFFFAOYSA-N 0.000 description 1
- PLAZXGNBGZYJSA-UHFFFAOYSA-N 9-ethylcarbazole Chemical compound C1=CC=C2N(CC)C3=CC=CC=C3C2=C1 PLAZXGNBGZYJSA-UHFFFAOYSA-N 0.000 description 1
- LSZJZNNASZFXKN-UHFFFAOYSA-N 9-propan-2-ylcarbazole Chemical compound C1=CC=C2N(C(C)C)C3=CC=CC=C3C2=C1 LSZJZNNASZFXKN-UHFFFAOYSA-N 0.000 description 1
- QTADRORPFKINAU-UHFFFAOYSA-N CCN(CC)C1=CC=C(C=C(CC2=CC=CC=C2)C2=CCN(C3=CC=CC=C3)N2)C=C1 Chemical class CCN(CC)C1=CC=C(C=C(CC2=CC=CC=C2)C2=CCN(C3=CC=CC=C3)N2)C=C1 QTADRORPFKINAU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- AZWHFTKIBIQKCA-UHFFFAOYSA-N [Sn+2]=O.[O-2].[In+3] Chemical compound [Sn+2]=O.[O-2].[In+3] AZWHFTKIBIQKCA-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- MGIAHHJRDZCTHG-UHFFFAOYSA-N benzene-1,3-dicarboxylic acid;terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1.OC(=O)C1=CC=CC(C(O)=O)=C1 MGIAHHJRDZCTHG-UHFFFAOYSA-N 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical group C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- YLQWCDOCJODRMT-UHFFFAOYSA-N fluoren-9-one Chemical group C1=CC=C2C(=O)C3=CC=CC=C3C2=C1 YLQWCDOCJODRMT-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007760 metering rod coating Methods 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- RCYFOPUXRMOLQM-UHFFFAOYSA-N pyrene-1-carbaldehyde Chemical compound C1=C2C(C=O)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 RCYFOPUXRMOLQM-UHFFFAOYSA-N 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- PWEBUXCTKOWPCW-UHFFFAOYSA-N squaric acid Chemical compound OC1=C(O)C(=O)C1=O PWEBUXCTKOWPCW-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- NLDYACGHTUPAQU-UHFFFAOYSA-N tetracyanoethylene Chemical group N#CC(C#N)=C(C#N)C#N NLDYACGHTUPAQU-UHFFFAOYSA-N 0.000 description 1
- PCCVSPMFGIFTHU-UHFFFAOYSA-N tetracyanoquinodimethane Chemical compound N#CC(C#N)=C1C=CC(=C(C#N)C#N)C=C1 PCCVSPMFGIFTHU-UHFFFAOYSA-N 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0664—Dyes
- G03G5/0675—Azo dyes
- G03G5/0679—Disazo dyes
- G03G5/0681—Disazo dyes containing hetero rings in the part of the molecule between the azo-groups
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
- G03G5/02—Charge-receiving layers
- G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
- G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
- G03G5/0664—Dyes
- G03G5/0675—Azo dyes
- G03G5/0679—Disazo dyes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photoreceptors In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野コ
本発明は、新規な電子写真感光体に関し、詳しくは特定
の分子構造を有するジスアゾ顔料を光導電層中に含有す
る電子写真感光体に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a novel electrophotographic photoreceptor, and more particularly to an electrophotographic photoreceptor containing a disazo pigment having a specific molecular structure in a photoconductive layer.
[従来の技術]
従来より、光導電性を示す顔料や染料については数多く
の文献などで発表されている。[Prior Art] Pigments and dyes exhibiting photoconductivity have been published in numerous publications.
例えば、 ” RCA Review”Vol、23
、 P、413〜P、419 (1962,9)では、
フタロシアニン顔料の光導電性についての発表がされて
おり、また、このフタロシアニン顔料を用いた電子写真
感光体が米国特許第3397086号明細書や米国特許
第3第16118号明細書などに記載されている。その
他に、電子写真感光体に用いる有機半導体としては、例
えば米国特許第4315983号明細書、米国特許第4
327169号明細書や”Re5each Discl
osure” 20517 (19第1。For example, “RCA Review” Vol. 23
, P, 413-P, 419 (1962, 9),
The photoconductivity of phthalocyanine pigments has been published, and electrophotographic photoreceptors using these phthalocyanine pigments have been described in U.S. Pat. No. 3,397,086 and U.S. Pat. No. 3,16118. . In addition, examples of organic semiconductors used in electrophotographic photoreceptors include US Pat. No. 4,315,983 and US Pat.
327169 specification and “Re5each Discl.
osure” 20517 (19th 1st.
5)に記載されているビリリウム系染料、米国特許第3
824099号明細書に記載されているスクエアリック
酸メチン染料、米国特許第3898084号明細書、米
国特許第4251613号明細書などに記載されたジス
アゾ顔料などが挙げられる。5), the biryllium dye described in U.S. Patent No. 3
Examples include methine squaric acid dyes described in US Pat. No. 824,099, and disazo pigments described in US Pat. No. 3,898,084 and US Pat. No. 4,251,613.
このような有機半導体は、無機半導体に比べて合成が容
易で、しかも要求する波長域の光に対して光導電性をも
つような化合物として合成することができ、このような
有機半導体の被膜を導電性基板上に形成した電子写真感
光体は、感色性がよくなるという利点を有するが、感度
および耐久性において実用できるものは、ごく僅かであ
る。Such organic semiconductors are easier to synthesize than inorganic semiconductors and can be synthesized as compounds that have photoconductivity for light in the required wavelength range. Although electrophotographic photoreceptors formed on conductive substrates have the advantage of improved color sensitivity, only a few of them have practical sensitivity and durability.
[発明が解決しようとする問題点]
本発明の目的は新規な光導電性材料を提供すること、現
在するすべての電子写真プロセスにおいても使用可能で
あり、実用的な高感度特性と繰り返し使用における安定
な電位特性を有する電子写真感光体を提供することにあ
る。[Problems to be Solved by the Invention] The purpose of the present invention is to provide a novel photoconductive material that can be used in all current electrophotographic processes, has practical high-sensitivity characteristics, and is suitable for repeated use. An object of the present invention is to provide an electrophotographic photoreceptor having stable potential characteristics.
[問題点を解決する手段、作用]
本発明は、導電性基板上に光導電層を有する電子写真感
光体において、光導電層に下記一般式(1)で示す非対
称ジスアゾ顔料を含有することを特徴とする電子写真感
光体から4I成される。[Means and effects for solving the problems] The present invention provides an electrophotographic photoreceptor having a photoconductive layer on a conductive substrate, in which the photoconductive layer contains an asymmetric disazo pigment represented by the following general formula (1). 4I is made from a characteristic electrophotographic photoreceptor.
一般式
を示し、ここで上記一般式(1)は、下記一般式(2)
、(3)、(4)で示すことができ、一般式
式中、Xは酸素原子または硫黄原子を示し、R,および
R2は同一または異なって水素原子、置換基を有しても
よいアルキル基、アルコキシ基またはハロゲン原子を示
し、具体的にはメチル、エチル、プロピル、イソプロピ
ル、ブチル、S−ブチル、t−ブチル、メトキシ、エト
キシ、プロポキシ、フッ素原子、塩素原子、臭素原子、
ヨウ素原子などの基が挙げられ、さらに、上記アルキル
基、アルコキシ基の有してもよい置換基としてはフッ素
原子、塩素原子、臭素原子、ヨウ素原子などハロゲン原
子、メチル、エチル、プロピル、イソプロピル、ブチル
などのアルキル基、メトキシ、エトキシ、プロポキシな
どのアルコキシ基、ニトロ基、シアノ基、ジメチルアミ
ノ、ジベンジルアミノ、ジフェニルアミノ、モルホリノ
、ピペリジノ、ピロリジノなどの置換アミノ基などが挙
げられる。The general formula (1) is represented by the general formula (2) below.
, (3), and (4), where X represents an oxygen atom or a sulfur atom, and R and R2 are the same or different and represent a hydrogen atom or an alkyl group which may have a substituent. group, alkoxy group or halogen atom, specifically methyl, ethyl, propyl, isopropyl, butyl, S-butyl, t-butyl, methoxy, ethoxy, propoxy, fluorine atom, chlorine atom, bromine atom,
Examples include groups such as an iodine atom, and further examples of substituents that the alkyl group and alkoxy group may have include halogen atoms such as a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, methyl, ethyl, propyl, isopropyl, Examples include alkyl groups such as butyl, alkoxy groups such as methoxy, ethoxy, and propoxy, nitro groups, cyano groups, and substituted amino groups such as dimethylamino, dibenzylamino, diphenylamino, morpholino, piperidino, and pyrrolidino.
A1およびA2は相異なるフェノール性水酸基を有する
カプラー残基を示し、好ましくは、下記一般式(5)〜
(11)に示すカプラー残基から選択される。A1 and A2 represent coupler residues having different phenolic hydroxyl groups, preferably represented by the following general formulas (5) to
(11) is selected from the coupler residues shown in (11).
一般式
式中、Yはベンゼン環と縮合してナフタレン環、アント
ラセン環、カルバゾール環、ベンズカルバゾール環、ジ
ベンズカルバゾール環、ジベンゾフラン環、ジベンゾナ
フトフラン環、ジフェニレンサルファイド環、フルオレ
ノン環などの多環芳香環あるいはへテロ環を形成するに
必要な残基を示す。In the general formula, Y is fused with a benzene ring to form a polycyclic ring such as a naphthalene ring, anthracene ring, carbazole ring, benzcarbazole ring, dibenzcarbazole ring, dibenzofuran ring, dibenzonaphthofuran ring, diphenylene sulfide ring, or fluorenone ring. Indicates the residues necessary to form an aromatic ring or a heterocycle.
Yの結合した環はナフタレン環、アントラセン環、カル
バゾール環、ベンズカルバゾール環とすることがより好
ましい。The ring to which Y is bonded is more preferably a naphthalene ring, an anthracene ring, a carbazole ring, or a benzcarbazole ring.
R3およびR4は水素原子、置換基を有してもよいアル
キル基、アリール、アラルキル基、ヘテロ環基ないしは
R3、R4の結合する窒素原子とともに環状アミノ基を
示す。R3 and R4 represent a hydrogen atom, an alkyl group which may have a substituent, an aryl, an aralkyl group, a heterocyclic group, or a cyclic amino group together with the nitrogen atom to which R3 and R4 are bonded.
アルキル基の具体例としてはメチル、エチル、プロピル
、ブチルなど、アラルキル基の具体例としてはベンジル
、フェネチル、ナフチルメチルなど、アリール基の具体
例としてはフェニル、ジフェニル、ナフチル、アンスリ
ルなど、ヘテロ環基の具体例としてはカルバゾール、ジ
ベンゾフラン、ベンズイミダシロン、ベンズチアゾール
、チアゾール、ピリジンなどが挙げられる。Specific examples of alkyl groups include methyl, ethyl, propyl, and butyl; specific examples of aralkyl groups include benzyl, phenethyl, and naphthylmethyl; specific examples of aryl groups include phenyl, diphenyl, naphthyl, anthryl, and heterocyclic groups. Specific examples include carbazole, dibenzofuran, benzimidacylone, benzthiazole, thiazole, pyridine and the like.
式中、R5、R,は水素原子、置換基を有してもよいア
ルキル基、アリール基あるいはアラルキル基を示す。R
5、Reの具体例は前記のR3、R4と同じ例によって
示される。In the formula, R5 and R represent a hydrogen atom, an alkyl group which may have a substituent, an aryl group or an aralkyl group. R
Specific examples of 5 and Re are shown by the same examples as R3 and R4 above.
一般式(5)〜(7)中の置換基R3〜R6の示すアル
キル基、アリール基、アラルキル基、アルコキシ基、ヘ
テロ環基は、さらに他の置換基、例えばフッ素原子、塩
素原子、ヨウ素原子、臭素原子などのハロゲン原子、メ
チル、エチル、プロピル、イソプロピル、ブチルなどの
アルキル基、メトキシ、エトキシ、プロポキシ、フェノ
キシなどのアルコキシ基、ニトロ基、シアノ基、ジメチ
ルアミノ、ジベンジルアミノ、ジフェニルアミノ、モル
ホリノ、ピペリジノ、ピロリジノなど置換アミノ基など
により置換されていてもよい。The alkyl group, aryl group, aralkyl group, alkoxy group, and heterocyclic group represented by the substituents R3 to R6 in general formulas (5) to (7) may further include other substituents, such as fluorine atom, chlorine atom, and iodine atom. , halogen atoms such as bromine atoms, alkyl groups such as methyl, ethyl, propyl, isopropyl, butyl, alkoxy groups such as methoxy, ethoxy, propoxy, phenoxy, nitro groups, cyano groups, dimethylamino, dibenzylamino, diphenylamino, It may be substituted with a substituted amino group such as morpholino, piperidino, pyrrolidino, etc.
一般式 1・Z−1
H
一般式 /Z1
式中、Zは芳香族炭化水素の2価の基または窒素原子を
環内に含むヘテロ環の2価の基を示し、芳香族炭化水素
の2価の基としてはO−フェニレンなどの単環芳香族炭
化水素の2価の基、O−ナフチレン、ペリナフチレン、
1,2−アンスリレン、9.10−フェナンスリレンな
どの縮合多環芳香族炭化水素の2価の基が挙げられ、窒
素原子を環内に含むペテロ環の2価の基としては、3゜
4−ピラゾールジイル基、2,3−ピリジンジイルi、
4.5−ピリミジンジイル基、6 、7−インダゾール
ジイル基、6,7−キラリンジイル基などの2価の基が
挙げられる。General formula 1・Z-1 H General formula /Z1 In the formula, Z represents a divalent group of an aromatic hydrocarbon or a divalent group of a heterocycle containing a nitrogen atom in the ring; Examples of valent groups include divalent groups of monocyclic aromatic hydrocarbons such as O-phenylene, O-naphthylene, perinaphthylene,
Examples include divalent groups of condensed polycyclic aromatic hydrocarbons such as 1,2-antrylene and 9.10-phenanthrylene, and examples of the divalent group of a petro ring containing a nitrogen atom in the ring include 3゜4- pyrazolediyl group, 2,3-pyridinediyl i,
Divalent groups such as 4,5-pyrimidinediyl group, 6,7-indazolediyl group, and 6,7-chiralindiyl group are mentioned.
一般式
式中、R7は置換基を有してもよいアリール基またはへ
テロ環基を示し、具体的にはアリール基としてはフェニ
ル、ナフチル、アンスリル、ピレニル、ヘテロ環基とし
てはピリジル、チエニル、フリル、カルバゾリル基を示
す。さらにアリール基、ヘテロ環基の置換基としては、
フッ素原子、塩素原子、ヨウ素原子、臭素原子などのハ
ロゲン原子、メチル、エチル、プロピル、イソプロピル
、ブチルなどのアルキル基、メトキシ、エトキシ、プロ
ポキシ、フェノキシなどのアルコキシ基、ニトロ基、シ
アノ基、ジメチルアミノ、ジベンジルアミノ、ジフェニ
ルアミノ、モルホリノ、ピペリジノ、ピロリジノなど置
換アミノ基が挙げられる。In the general formula, R7 represents an aryl group or a heterocyclic group which may have a substituent. Specifically, the aryl group is phenyl, naphthyl, anthryl, pyrenyl, and the heterocyclic group is pyridyl, thienyl, Indicates furyl and carbazolyl groups. Furthermore, as substituents for aryl groups and heterocyclic groups,
Halogen atoms such as fluorine, chlorine, iodine, and bromine atoms; alkyl groups such as methyl, ethyl, propyl, isopropyl, and butyl; alkoxy groups such as methoxy, ethoxy, propoxy, and phenoxy; nitro groups, cyano groups, and dimethylamino , dibenzylamino, diphenylamino, morpholino, piperidino, pyrrolidino, and other substituted amino groups.
Yは前記一般式(5)中のYと同義である。Y has the same meaning as Y in the general formula (5).
′°Y゛
式中、R8およびR9は置換基を有してもよいアルキル
基、アラルキル基、アリール基、またはへテロ環基を示
し、具体的にはアルキル基としてはメチル、エチル、プ
ロピル、ブチル、アラルキル基としてはベンジル、フェ
ネチル、ナフチルメチル、アリール基としてはフェニル
、ジフェニル、ナフチル、アンスリル、ヘテロ環基とし
てはカルバゾリル、チエニル、ピリジル、フリルなどが
挙げられ、さらに、アルキル基、アラルキル基、アリー
ル基、ヘテロ環基の置換基としては、フッ素原子、塩素
原子、ヨウ素原子、臭素原子などのハロゲン原子、メチ
ル、エチル、プロピル、イソプロピル、ブチルなどのア
ルキル基、メトキシ、エトキシ、プロポキシ、フェノキ
シなどのアルコキシ基、ニトロ基、シアノ基、ジメチル
アミノ、ジベンジルアミノ、ジフェニルアミノ、モルホ
リノ、ピペリジノ、ピロリジノなど置換アミノ基が挙げ
られる。'°Y' In the formula, R8 and R9 represent an alkyl group, an aralkyl group, an aryl group, or a heterocyclic group which may have a substituent, and specifically, the alkyl group includes methyl, ethyl, propyl, Examples of butyl and aralkyl groups include benzyl, phenethyl, and naphthylmethyl; aryl groups include phenyl, diphenyl, naphthyl, and anthryl; examples of heterocyclic groups include carbazolyl, thienyl, pyridyl, and furyl; furthermore, alkyl groups, aralkyl groups, Substituents for aryl groups and heterocyclic groups include halogen atoms such as fluorine atom, chlorine atom, iodine atom, and bromine atom, alkyl groups such as methyl, ethyl, propyl, isopropyl, butyl, methoxy, ethoxy, propoxy, phenoxy, etc. Examples include substituted amino groups such as alkoxy groups, nitro groups, cyano groups, dimethylamino, dibenzylamino, diphenylamino, morpholino, piperidino, and pyrrolidino.
Yは前記一般式(5)中のYと同義である。Y has the same meaning as Y in the general formula (5).
一般式(1)中のA1およびA2が一般式(5)〜(1
1)中から選択される構造であって、一方がドナー性置
換基を有するフェノール性水酸基を有するカプラー残基
であり、他方がアクセプター性置換基を有するフェノー
ル性水酸基を有するカプラー残基であることがより好ま
しい。A1 and A2 in general formula (1) are represented by general formulas (5) to (1)
1) A structure selected from among the above, one of which is a coupler residue having a phenolic hydroxyl group having a donor substituent, and the other being a coupler residue having a phenolic hydroxyl group having an acceptor substituent. is more preferable.
ここでドナー性置換基としてはメチル、エチル、プロピ
ル、ブチルなどのアルキル基、メトキシ、エトキシ、プ
ロポキシ、フェノキシなどのアルコキシ基、ジメチルア
ミノ、ジベンジルアミノ、ジフェニルアミノ、モルホリ
ノ、ピペリジノ、ピロリジノなどの置換アミノ基などが
挙げられ、アクセプター性置換基としてはフッ素原子、
塩素原子、臭素原子、ヨウ素原子などのハロゲン原子、
ニトロ基、シアノ基、アセチル、ベンゾイルなどのアシ
ル基などが挙げられる。Examples of donor substituents include alkyl groups such as methyl, ethyl, propyl, and butyl, alkoxy groups such as methoxy, ethoxy, propoxy, and phenoxy, and substituents such as dimethylamino, dibenzylamino, diphenylamino, morpholino, piperidino, and pyrrolidino. Examples include amino groups, and acceptor substituents include fluorine atoms,
Halogen atoms such as chlorine atoms, bromine atoms, iodine atoms,
Examples include nitro group, cyano group, and acyl group such as acetyl and benzoyl.
以下に本発明の一般式(1)で示すジスアゾ顔料の代表
的な具体例を列挙する。Typical specific examples of the disazo pigment represented by the general formula (1) of the present invention are listed below.
例示は下記基本型(1)、(2)、(3)におR+ A1 、A2を記載する。Examples are R+ for basic types (1), (2), and (3) below. A1 and A2 will be described.
基本型(1)
基本型(2)
基本型(3)
例示顔料(1)
基本型(1) X : −〇−
A1 : A2 :
例示顔料(2)
基本型(i ) x : −o−
A1: A2:
例示顔料(3)
基本型(1) X : −0−
A1 : A2 :
例示顔料(4)
基本型(i ) x : −o−
A1 : A2 :
例示顔料(5)
基本型(1) X : −0−
A1 : A2 :例示
顔料(6)
基本型(1) X : −0−
A1 : A2 :
例示顔料(7)
基本型(1) X : −0−
例示顔料(8)
基本型(1) X : −0−
例示顔料(9)
基本y!1(1) Xニー0−
例示顔料(10)
基本型(1) X : −0−
例示顔料(11)
基本型(1) X : −0−
例示顔料(12)
基本型(1) X : −0−
例示顔料(13)
基本型(1) X : −0−
例示顔料(14)
基本型(1) X : −0−
A1 : A2 :
例示顔料(15)
基本型(1) X : −〇−
例示顔料(16)
基本型(1) X : −9−
Al : A2 :
例示顔料(17)
基本型(i ) x : −5−
A> : A2 :例
示顔料(18)
基本型(1) X : −5−
A1 : A2 :
例示顔料(19)
基本型(1) X : −9−
AL : A2 :
例示顔料(20)
基本型(1) X : −5−
AS : A2 :
例示顔料(21)
基本型(1) X : −3−
基本型(1”) X : −S−
例示顔料(23)
基本型(1)X : −9−
例示顔料(24)
基本型(1) X : −9−
例示顔料(25)
基本型(1) X : −8−
例示顔料(26)
基本型(1) X : −8−
例示顔料(27)
基本型(1) X : −5−
例示顔料(28)
基本型(1) X : −3−
A1 : A2 。Basic type (1) Basic type (2) Basic type (3) Exemplary pigment (1) Basic type (1) X: -〇- A1: A2: Exemplary pigment (2) Basic type (i) x: -o- A1 : A2: Exemplary pigment (3) Basic type (1) X: -0- A1: A2: Exemplary pigment (4) Basic type (i) x: -o- A1: A2: Exemplary pigment (5) Basic type (1 ) X: -0- A1: A2: Exemplary pigment (6) Basic type (1) X: -0- A1: A2: Exemplary pigment (7) Basic type (1) X: -0- Exemplary pigment (8) Basic Type (1) X: -0- Exemplary pigment (9) Basic y! 1 (1) X knee 0- Exemplary pigment (10) Basic type (1) -0- Exemplary pigment (13) Basic type (1) X: -0- Exemplary pigment (14) Basic type (1) X: -0- A1: A2: Exemplary pigment (15) Basic type (1) X: - 〇- Exemplary pigment (16) Basic type (1) X: -9- Al: A2: Exemplary pigment (17) Basic type (i) ) X: -5- A1: A2: Exemplary pigment (19) Basic type (1) X: -9- AL: A2: Exemplary pigment (20) Basic type (1) X: -5- AS: A2: Exemplary pigment (21) Basic type (1) X : -3- Basic type (1") X : -S- Exemplary pigment (23) Basic type (1) : -9- Exemplary pigment (25) Basic type (1) X: -8- Exemplary pigment (26) Basic type (1) X: -8- Exemplary pigment (27) Basic type (1) X: -5- Pigment (28) Basic type (1) X: -3- A1: A2.
例示顔料(29)
基本型(1) x : −5−
A+ : A2 ’
例示顔料(30)
基本型(1) X : −9−
例示顔料(31)
基本型(2) Xニー0−
A1. A2 :
例示顔料(32)
基本型(2) Xニー0−
A1 、 A2 :
例示顔料(33)
基本型(2) Xニー0−
A1 、 A2 :例示顔料(
34)
基本を(2) X : −0−
A1 、 A2 :
例示顔料(35)
基本型(2) Xニー0−
例示顔料(36)
基本型(2) Xニー0−
A1 : A2 :
例示顔料(37)
基本型(2) Xニー0−
A1 : A2 :
例示顔料(38)
基本型(2) Xニー0−
例示顔料(39)
基本型(2) Xニー0−
例示顔料(40)
基本型(2) Xニー0−
例示顔料(41)
基本型(2) Xニー0−
例示顔料(42)
基本型(2) Xニー0−
例示顔料(43)
基本型(2) Xニー0−
例示顔料(44)
基本型(2) Xニー0−
A1 、 A2 :
例示顔料(45)
基本型(2) Xニー0−
例示顔料(46)
基本型(2) Xニー5−
A1 : A2 :
例示顔料(47)
基本型(2) Xニー5−
A1 、 A2 :
例示顔料(48)
基本型(2) Xニー5−
Al : A2 :
例示顔料(49)
基本ff1(2) Xニー5−
A1 : A2 :
例示顔料(50)
基本型(2) XニーS−
Al : A2 :例示
顔料(51)
基本型(2) XニーS−
例示顔料(52)
基本型(2) Xニー5−
Al : A2 :
例示顔料(53)
基本型(2) XニーS−
例示顔料(54)
基本型(2) XニーS−
H
例示顔料(55)
基本型(2) XニーS−
例示顔料(56)
基本型(2) XニーS−
例示顔料(57)
基本型(2) XニーS−
例示顔料(58)
基本2!!(2) XニーS−
例示顔料(59)
基本型(2) Xニー5−
A1 、 A2 :
例示顔料(60)
基本型(2) XニーS−
例示顔料(61)
基本型(3) Xニー0−
Al : A2 :
例示顔料(62)
基本型(3) Xニー0−
AI HA2 :
例示顔料(63)
基本型(3) Xニー0−
A1 : A2 :
例示顔料(64)
基本型(3) Xニー0−
A1 : A2 :
例示顔料(65)
基本型(3) Xニー0−
A、: A2 :
例示顔料(66)
基本型(3) Xニー0−
例示顔料(67)
基本型(3) Xニー0−
A1 、 A2 :例示顔料
(68)
基本型(3) Xニー0−
例示顔料(69)
基本型(3) Xニー0−
例示顔料(70)
基本型(3) Xニー0−
例示顔料(71)
基本型(3) Xニー0−
例示顔料(72)
基本型(3) Xニー0−
H
例示顔料(73)
基本型(3) Xニー0−
例示顔料(74)
基本型(3) Xニー0−
A1 : A2 :例示
顔料(75)
基本型(3) Xニー0−
例示顔料(76)
基本型(3) Xニー5−
Al : A2 :
例示顔料(77)
基本型(3) Xニー5−
A1 、 A2 :
例示顔料(78)
基本型(3) Xニー5−
Al : A2 :
基本型(3) Xニー5−
A1 : A2 :例示
顔料(80)
基本yJ!1(3) Xニー5−
Al : A2 :
例示顔料(第1)
基本型(3) XニーS−
例示顔料(82)
基本型(3) Xニー5−
Al : A2 :
例示顔料(83)
基本型(3) XニーS−
H
例示顔料(84)
基本型(3) XニーS−
例示顔料(85)
基本型(3) XニーS−
例示顔料(86)
基本型(3) XニーS−
例示顔料(87)
基本型(3) XニーS−
例示顔料(88)
基本型(3) XニーS−
例示顔料(89)
基本型(3) Xニー5−
A1 : A2 :
例示顔料(90)
基本型(3) XニーS−
例示顔料(91)
基本型(1) X : −0−
A1 : A2 :
例示顔料(92)
基本型(1) X : −0−
例示顔料(93)
基本型(1) X : −5−
AX : A2 :
1例示顔料(94)
基本型(2) Xニー0−
A1 : A2 :
例示顔料(95)
基本型(2) Xニー0−
例示顔料(96)
基本型(2) Xニー5−
Al : A2 :
例示顔料(97)
基本型(2) Xニー5−
Al : A2 :
例示顔料(98)
基本型(3) Xニー0−
例示顔料(99)
基本型(3) Xニー0−
例示顔料(100)
基本型(3) XニーS−
H
合成例
例示顔料(1)の合成
300m文ビーカーに水200m文、濃塩酸29m文(
0,32第1モル)を入れ、氷水浴でを12.54g
(0,0497モル)加え、攪拌しつり液温を3℃とし
た。次に亜硝酸ソーダ7゜2g (0,1044モル)
を水150m1に溶かした液を液温を5℃以下にコント
ロールしながら10分間で滴下し、滴下終了後同温度で
さらに30分間攪拌した0反応液にカーボンを加え、濾
過した後にホウフッ化ソーダ16.5g (0,149
1モル)を水30mAに溶かした液を滴下し、析出した
ホウフッ化塩を濾取し、水洗後真空乾燥した。収量14
.34g、収率64.35%次に、300 m fl、
ビーカーにDMF70mJljを(0,005モル)溶
解し、液温を5℃に冷却し、先に得たホウフッ化塩2.
24g (0,005モル)を溶解させた後、トリエチ
ルアミノ0.505g(0,005モル)を滴下し、そ
の後、別(0,005モル)とトリエチルアミノ0.5
05g(0,005モル)をDMF70m文に溶解した
液を加え、2時間攪拌した。Exemplary pigment (29) Basic type (1) x: -5- A+: A2' Exemplary pigment (30) Basic type (1) X: -9- Exemplary pigment (31) Basic type (2) X knee 0- A1. A2: Exemplary pigment (32) Basic type (2) X knee 0- A1, A2: Exemplary pigment (33) Basic type (2)
34) Basics (2) X: -0- A1, A2: Exemplary pigment (35) Basic type (2) X knee 0- Exemplary pigment (36) Basic type (2) (37) Basic type (2) X knee 0- A1 : A2 : Exemplary pigment (38) Basic type (2) X knee 0- Exemplary pigment (39) Basic type (2) X knee 0- Exemplary pigment (40) Basic Type (2) X knee 0 - Exemplary pigment (41) Basic type (2) X knee 0 - Exemplary pigment (42) Basic type (2) X knee 0 - Exemplary pigment (43) Basic type (2) X knee 0 - Exemplary pigment (44) Basic type (2) X knee 0- A1, A2: Exemplary pigment (45) Basic type (2) X knee 0- Exemplary pigment (46) Basic type (2) X knee 5- A1: A2: Exemplary pigment (47) Basic type (2) X knee 5- A1, A2: Exemplary pigment (48) Basic type (2) X knee 5- Al: A2: Exemplary pigment (49) Basic ff1 (2) X knee 5- A1: A2: Exemplary pigment (50) Basic type (2) X knee S- Al: A2: Exemplary pigment (51) Basic type (2) X knee S- Exemplary pigment (52) Basic type (2) X knee 5- Al: A2: Exemplary pigment (53) Basic type (2) Xnee S- Exemplary pigment (54) Basic type (2) 56) Basic type (2) X Knee S- Exemplary pigment (57) Basic type (2) X Knee S- Exemplary pigment (58) Basic 2! ! (2) X-nee S- Exemplary pigment (59) Basic type (2) X-nee 5- A1, A2: Exemplary pigment (60) Basic type (2) X-nee S- Exemplary pigment (61) Basic type (3) Knee 0- Al : A2 : Exemplary pigment (62) Basic type (3) X Knee 0- AI HA2 : Exemplary pigment (63) Basic type (3) 3) X knee 0- A1: A2: Exemplary pigment (65) Basic type (3) X knee 0- A,: A2: Exemplary pigment (66) Basic type (3) X knee 0- Exemplary pigment (67) Basic type (3) X knee 0- A1, A2: Exemplary pigment (68) Basic type (3) X knee 0- Exemplary pigment (69) Basic type (3) X knee 0- Exemplary pigment (70) Basic type (3) Knee 0- Exemplary pigment (71) Basic type (3) X Knee 0- Exemplary pigment (72) Basic type (3) X Knee 0- H Exemplary pigment (73) Basic type (3) ) Basic type (3) X knee 0- A1 : A2 : Exemplary pigment (75) Basic type (3) X knee 0- Exemplary pigment (76) Basic type (3) ) Basic type (3) X knee 5- A1, A2: Exemplary pigment (78) Basic type (3) X knee 5- Al: A2: Basic type (3) X knee 5- A1: A2: Exemplary pigment (80) Basic yJ! 1 (3) X knee 5- Al: A2: Exemplary pigment (1st) Basic type (3) X knee S- Exemplary pigment (82) Basic type (3) X knee 5- Al: A2: Exemplary pigment (83) Basic type (3) X-nee S- H Exemplary pigment (84) Basic type (3) X-nee S- Exemplary pigment (85) Basic type (3) S- Exemplary pigment (87) Basic type (3) X-nee S- Exemplary pigment (88) Basic type (3) X-nee S- Exemplary pigment (89) Basic type (3) (90) Basic type (3) X knee S- Exemplary pigment (91) Basic type (1) ) Basic type (1) X: -5- AX: A2:
1 Exemplary pigment (94) Basic type (2) X knee 0- A1: A2: Exemplary pigment (95) Basic type (2) X knee 0- Exemplary pigment (96) Basic type (2) X knee 5- Al: A2 : Exemplary pigment (97) Basic type (2) X knee 5- Al: A2: Exemplary pigment (98) Basic type (3) 100) Basic type (3)
0.32 1st mole) and 12.54g of it in an ice water bath.
(0,0497 mol) was added and stirred, and the temperature of the solution was adjusted to 3°C. Next, 7°2 g (0,1044 mol) of sodium nitrite
was dissolved in 150 ml of water and added dropwise over 10 minutes while controlling the temperature to below 5°C. After the dropwise addition, the solution was stirred at the same temperature for an additional 30 minutes. Carbon was added to the reaction solution, and after filtration, 16 ml of sodium borofluoride was added. .5g (0,149
A solution prepared by dissolving 1 mole of fluoride in water at 30 mA was added dropwise, and the precipitated borofluoride salt was collected by filtration, washed with water, and then dried in vacuum. Yield 14
.. 34 g, yield 64.35%, then 300 m fl,
Dissolve 70 mJlj (0,005 mol) of DMF in a beaker, cool the liquid temperature to 5°C, and dissolve the previously obtained borofluoride salt 2.
After dissolving 24 g (0,005 mol), 0.505 g (0,005 mol) of triethylamino was added dropwise, followed by another (0,005 mol) and 0.5 g (0,005 mol) of triethylamino.
A solution of 0.05 g (0.005 mol) dissolved in 70 m of DMF was added and stirred for 2 hours.
反応液を濾過した後、N、N−ジメチルホルムアミド1
70mJlで5回洗浄し、アセトンで置換し、真空乾燥
により目的の顔料を合成した。After filtering the reaction solution, N,N-dimethylformamide 1
The target pigment was synthesized by washing with 70 mJl five times, replacing with acetone, and vacuum drying.
収量3.44g、収率84.66%(ホウフッ化塩ベー
ス)であった。The yield was 3.44 g, and the yield was 84.66% (based on borofluoride salt).
元素分析
計算値(%) 実測値(%)
C68,0168,05
H3,843,83
N 12.95 12.92
0 11.09 1L、10
C14,104,10
他の例示顔料も同様の方法によって一般的に合成される
。Elemental analysis calculated value (%) Actual value (%) C68,0168,05 H3,843,83 N 12.95 12.92 0 11.09 1L, 10 C14,104,10 Other exemplary pigments were also measured in the same manner. Generally synthesized.
前述のジスアゾ顔料を有する被Hりは光導電性を示し、
従って下達する電子写真感光体の光導電層に用いること
ができる。The coating with the aforementioned disazo pigment exhibits photoconductivity;
Therefore, it can be used in the photoconductive layer of an electrophotographic photoreceptor.
即ち1本発明の具体例では導電性基板の上に前述のジス
アゾ顔料を真空蒸着法により被膜形成するか、あるいは
適当なバインダー中に分散含有させて被膜形成すること
により電子写真感光体を作成することができる。That is, in a specific example of the present invention, an electrophotographic photoreceptor is prepared by forming a film of the above-mentioned disazo pigment on a conductive substrate by vacuum evaporation, or by dispersing it in a suitable binder and forming a film. be able to.
本発明の好ましい具体例では、電子写真感光体の感光層
を電荷発生層と電荷輸送層に機能分離した電子写真感光
体における電荷発生層として、前述の光導電性被膜を適
用することができる。In a preferred embodiment of the present invention, the photoconductive coating described above can be applied as a charge generation layer in an electrophotographic photoreceptor in which the photosensitive layer is functionally separated into a charge generation layer and a charge transport layer.
電荷発生層は、十分な吸光度を得るために、できる限り
多くの前述の光導電性を示すジスアゾ顔料を含有し、か
つ発生した電荷キャリアの飛程を短くするために薄膜層
、例えば5μ以下、好ましくは0.01〜1用の膜厚を
もつ薄膜層とすることが好ましい。The charge generation layer contains as much of the above-mentioned photoconductive disazo pigment as possible in order to obtain sufficient absorbance, and a thin film layer, for example, 5μ or less, in order to shorten the range of the generated charge carriers. Preferably, it is a thin film layer having a thickness of 0.01 to 1.
このことは入射光線の大部′分が電荷発生層で吸収され
て多く電荷キャリアを生成すること、さらに発生したキ
ャリアを再結合や捕獲(トラップ)により失活すること
なく電荷輸送層に注入する必要があることに起因してい
る。This means that most of the incident light is absorbed by the charge generation layer, generating a large number of charge carriers, and that the generated carriers are injected into the charge transport layer without being deactivated by recombination or trapping. This is due to necessity.
電荷発生層は、前記ジスアゾ顔料を適当なバインダーに
分散させ、これを導電性基板の上に塗工することによっ
て形成でき、また真空蒸着装置により蒸着H臭を形成す
ることによって得ることができる。電荷発生層を塗工に
よって形成する際に用い得るバインダーとしては広範な
絶縁性樹脂から選択でき、またポリ−N−ビニルカルバ
ゾール、ポリビニルアントラセンやポリビニルピレンな
どの有機光導電性ポリマーから選択できる。The charge generation layer can be formed by dispersing the disazo pigment in a suitable binder and coating it on a conductive substrate, or by forming a vapor deposition H odor using a vacuum vapor deposition apparatus. The binder that can be used to form the charge generating layer by coating can be selected from a wide variety of insulating resins, and can also be selected from organic photoconductive polymers such as poly-N-vinylcarbazole, polyvinylanthracene, and polyvinylpyrene.
好ましくはポリビニルブチラール、ボリアリレート(ビ
スフェノールAとフタル酸の縮重合体など)、ポリカー
ボネート、ポリエステル、フェノキシ樹脂、ポリ酢酸ビ
ニル、アクリル樹脂、ポリアクリルアミド、ポリアミド
、ポリビニルピリジン、−1! Jl/ CI −スa
Jjd 脂、ポリウレタン、エホキシ樹脂、カゼイン
、ポリビニルアルコール、ポリビニルピロリドンなどの
絶縁性樹脂を挙げることができる。Preferably polyvinyl butyral, polyarylate (condensation polymer of bisphenol A and phthalic acid, etc.), polycarbonate, polyester, phenoxy resin, polyvinyl acetate, acrylic resin, polyacrylamide, polyamide, polyvinylpyridine, -1! Jl/CI-S a
Examples include insulating resins such as Jjd resin, polyurethane, epoxy resin, casein, polyvinyl alcohol, and polyvinylpyrrolidone.
電荷発生層中に含有する樹脂は、80重量%以下、好ま
しくは40重量%以下が適している。The resin contained in the charge generation layer is suitably 80% by weight or less, preferably 40% by weight or less.
これらの樹脂を溶解する溶剤は、樹脂の種類によって異
なり、また後述の電荷輸送層や下引層を溶解しないもの
から選択することが好ましい。The solvent that dissolves these resins varies depending on the type of resin, and is preferably selected from those that do not dissolve the charge transport layer and undercoat layer described below.
具体的な有機溶剤としては、メタノール、エタノール、
イソプロパツールなどのアルコール類、アセトン、メチ
ルエチルケトン、シクロヘキサノンなどのケトン類、N
、N−ジメチルホルムアミド、N、N−ジメチルアセト
アミドなどのアミド類、ジメチルスルホキシドなどのス
ルホキシド類、テトラヒドロフラン、ジオキサン、エチ
レングリコールモノメチルエーテルなどのエーテル類、
酢酸メチル、酢酸エチルなどのエステル類、クロロホル
ム、塩化メチレン、ジクロルエチレン、四塩化炭素、ト
リクロルエチレンなどの脂肪族ハロゲン化炭化水素類あ
るいはベンゼン、トルエン、キシレン、リグロイン、モ
ノクロルベンゼン、ジクロルベンゼンなどの芳香族炭化
水素類などを用いることができる。Specific organic solvents include methanol, ethanol,
Alcohols such as isopropanol, ketones such as acetone, methyl ethyl ketone, cyclohexanone, N
, amides such as N-dimethylformamide and N,N-dimethylacetamide, sulfoxides such as dimethyl sulfoxide, ethers such as tetrahydrofuran, dioxane, and ethylene glycol monomethyl ether;
Esters such as methyl acetate and ethyl acetate, aliphatic halogenated hydrocarbons such as chloroform, methylene chloride, dichloroethylene, carbon tetrachloride, and trichloroethylene, or benzene, toluene, xylene, ligroin, monochlorobenzene, dichlorobenzene, etc. aromatic hydrocarbons and the like can be used.
塗工は、浸漬コーティング法、スプレーコーティング法
スピンナーコーティング法、ビードコーティング法、マ
イヤーバーコーティング法、ブレードコーティング法、
ローラーコーティング法、カーテンコールコーティング
法などのコーティング法を用いて行なうことができる。Coating methods include dip coating, spray coating, spinner coating, bead coating, Meyer bar coating, blade coating,
This can be carried out using a coating method such as a roller coating method or a curtain call coating method.
乾燥は、室温における指触乾燥後、加熱乾燥する方法が
好ましい。加熱乾燥は、30〜200℃の温度で5分〜
2時間の範囲の時間で、静止または送風下で行なうこと
ができる。For drying, it is preferable to dry to the touch at room temperature and then heat dry. Heat drying at a temperature of 30 to 200°C for 5 minutes or more
It can be carried out stationary or under blown air for a time in the range of 2 hours.
電荷輸送層は、前述の電荷発生層と電気的に接続されて
おり、電界の存在下で電荷発生層から注入された電荷キ
ャリアを受は取るとともに、これらの電荷キャリアを表
面まで輸送できる機能を有している。この際、この電荷
輸送層は電荷発生層の上に積層されていてもよく、また
その下に積層されていてもよい。The charge transport layer is electrically connected to the charge generation layer described above, and has the function of receiving and taking charge carriers injected from the charge generation layer in the presence of an electric field, and transporting these charge carriers to the surface. have. At this time, this charge transport layer may be laminated on or under the charge generation layer.
電荷輸送層が電荷発生層の上に形成される場合電荷輸送
層における電荷キャリアを輸送する物質(以下、電荷輸
送物質という)は、前述の電荷発生層が感応する電磁波
の波長域に実質的に非感応性であることが好ましい。こ
こでいう電磁波とは、γ線、X線、紫外線、可視光線、
近赤外線。When a charge transport layer is formed on a charge generation layer, the substance that transports charge carriers in the charge transport layer (hereinafter referred to as charge transport material) is substantially in the wavelength range of electromagnetic waves to which the charge generation layer is sensitive. Preferably, it is insensitive. The electromagnetic waves referred to here include gamma rays, X-rays, ultraviolet rays, visible light,
Near infrared.
赤外線、遠赤外線などを包含する広義の光線の定義を包
含する。Includes a broad definition of light that includes infrared rays, far infrared rays, etc.
電荷輸送層の光感応性波長域が電荷発生層のそれと一致
またはオーバーラツプする時には、両者で発生した電荷
キャリアが相互に捕獲し合い、結果的には感度の低下の
原因となる。When the photosensitive wavelength range of the charge transport layer coincides with or overlaps that of the charge generation layer, charge carriers generated in both layers trap each other, resulting in a decrease in sensitivity.
電荷輸送物質としては電子輸送性物質と正孔輸送性物質
があり、電子輸送性物質としてはクロルアニル、ブロモ
アニル、テトラシアノエチレン、テトラシアノキノジメ
タン、2,4.7−)ジニトロ−9−フルオレノン、2
,4,5.7−チトラニトロキサントン、2,4.7−
ドリニトロー9−ジシアノメチレンフルオレノン、2,
4,5.7−チトラニトロキサントン、2,4.8−ト
リニトロチオキサントンなどの電子吸引性物質やこれら
電子吸引性物質を高分子化したものなどがある。Charge-transporting substances include electron-transporting substances and hole-transporting substances, and electron-transporting substances include chloranil, bromoanil, tetracyanoethylene, tetracyanoquinodimethane, and 2,4.7-)dinitro-9-fluorenone. ,2
, 4,5.7-titranitroxanthone, 2,4.7-
Drinitro 9-dicyanomethylenefluorenone, 2,
Examples include electron-withdrawing substances such as 4,5,7-titranitroxanthone and 2,4,8-trinitrothioxanthone, and polymerized versions of these electron-withdrawing substances.
正孔輸送性物質としてはピレン、N−エチルカルバゾー
ル、N−イソプロピルカルバゾール、N−メチルーN−
フェニルヒドラジノ−3−メチリデン−9−エチルカル
バゾール、N、N−ジフェニルヒドラジノ−3−メチリ
デン−9−エチルカルバゾール、N、N−ジフェニルヒ
ドラジノ−3−メチリデン−10−二チルフェノチアジ
ン、N、N−ジフェニルヒドラジノ−3−メチリデン−
10−エチルフェノキサジン、p−ジエチルアミノベン
ズアルデヒド−N、N−ジフェニルヒドラジノ、P−ジ
エチルアミノベンズアルデヒド−N−α−ナフチル−N
−フェニルヒドラゾン、P−ピロリジノベンズアルデヒ
ド−N、N−ジフェニルヒドラゾン、1,3.3−)リ
エチルインドレニンーω−アルデヒド−N、N−ジフェ
ニルヒドラゾン、p−ジエチルベンズアルデヒド−3−
メチルベンズチアゾリノン−2−ヒドラゾン2−ヒドラ
ゾンなどのヒドラゾン類、2,5−ビス(p−ジエチル
アミノフェニル)−1,3,4−オキサジアゾール、1
−フェニル−3−(p−ジエチルアミノスチリル)−5
−(p−ジエチルアミノフェニル)ピラゾリン、1−[
キノリル(2)]−3−(p−ジエチルアミノスチリル
)−5−(p−ジエチルアミノフェニル)ピラゾリン、
1−[ピリジル(2)]−3−(p−ジエチルアミノス
チリル)−5−(p−ジエチルアミノフェニル)ピラゾ
リン、1−[6−メドキシーピリジル(2)]−3−(
p−ジエチルアミノスチリル)−5−(p−ジエチルア
ミノフェニル)ピラゾリン、1−[ピリジル(3)]−
3−(p−ジエチルアミノスチリル)−5−(p−ジエ
チルアミノフェニル)ピラゾリン、1−[レピジル(2
)]−3−(p−ジエチルアミノスチリル)−5−(p
−ジエチルアミノフェニル)ピラゾリン、■−[ピリジ
ル(2)] −3−((p−ジエチルアミノスチリル)
−4−メチル−5−(p−ジエチルアミノフェニル)ピ
ラゾリン、1−[ピリジル(2)] −3−(α−メチ
ル−p−ジエチルアミノスチリル)−5−(p−ジエチ
ルアミノフェニル)ピラゾリン、1−フェニル−3−(
p−ジエチルアミノスチリル)−4−メチル−5−(p
−ジエチルアミノフェニル)ピラゾリン、1−フェニル
−3−(α−ベンジル−p−ジエチルアミノスチリル)
−5−(p−ジエチルアミノフェニル)ピラゾリン、ス
ピロピラゾリンなどのピラゾリン類、2−(P−ジエチ
ルアミノスチリル)−6−ジニチルアミノベンズオキサ
ゾール、2−(p−ジエチルアミノフェニル)−4−(
p−ジエチルアミノフェニル)−5−(2−クロロフェ
ニル)オキサゾールなどのオキサゾール系化合物、2−
(p−ジエチルアミノスチリル)−6−ジニチルアミノ
ベンゾチアゾールなどのチアゾール系化合物、ビス(4
−ジエチルアミノ−2−メチルフェニル)−フェニルメ
タンなどのトリアリールメタン系化合物、1,1ビス(
4−N、N−ジエチルアミノ−2−メチルフェニル)へ
ブタン、1゜1.2.2−テトラキス(4−N、N−ジ
メチルアミノ−2−メチルフェニル)エタンなどのボリ
アリールアルカン類、トリフェニルアミノ、ポリ−N−
ビニルカルバゾール、ポリビニルピレン、ポリビニルア
ントラセン、ポリビニルアクリジン、ポリ−9−ビニル
フェニルアントラセン、ピレン−ホルムアルデヒド樹脂
、エチルカルバゾール−ホルムアルデヒド樹脂などが挙
げられる。Examples of hole-transporting substances include pyrene, N-ethylcarbazole, N-isopropylcarbazole, and N-methyl-N-
Phenylhydrazino-3-methylidene-9-ethylcarbazole, N,N-diphenylhydrazino-3-methylidene-9-ethylcarbazole, N,N-diphenylhydrazino-3-methylidene-10-ditylphenothiazine, N, N-diphenylhydrazino-3-methylidene-
10-Ethylphenoxazine, p-diethylaminobenzaldehyde-N, N-diphenylhydrazino, P-diethylaminobenzaldehyde-N-α-naphthyl-N
-Phenylhydrazone, P-pyrrolidinobenzaldehyde-N,N-diphenylhydrazone, 1,3.3-)liethylindolenine-ω-aldehyde-N,N-diphenylhydrazone, p-diethylbenzaldehyde-3-
Hydrazones such as methylbenzthiazolinone-2-hydrazone 2-hydrazone, 2,5-bis(p-diethylaminophenyl)-1,3,4-oxadiazole, 1
-phenyl-3-(p-diethylaminostyryl)-5
-(p-diethylaminophenyl)pyrazoline, 1-[
quinolyl (2)]-3-(p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline,
1-[pyridyl(2)]-3-(p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[6-medoxypyridyl(2)]-3-(
p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[pyridyl(3)]-
3-(p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[lepidyl (2
)]-3-(p-diethylaminostyryl)-5-(p
-diethylaminophenyl)pyrazoline, -[pyridyl (2)] -3-((p-diethylaminostyryl)
-4-Methyl-5-(p-diethylaminophenyl)pyrazoline, 1-[pyridyl(2)] -3-(α-methyl-p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-phenyl -3-(
p-diethylaminostyryl)-4-methyl-5-(p
-diethylaminophenyl)pyrazoline, 1-phenyl-3-(α-benzyl-p-diethylaminostyryl)
Pyrazolines such as -5-(p-diethylaminophenyl)pyrazoline and spiropyrazoline, 2-(P-diethylaminostyryl)-6-dinithylaminobenzoxazole, 2-(p-diethylaminophenyl)-4-(
Oxazole compounds such as p-diethylaminophenyl)-5-(2-chlorophenyl)oxazole, 2-
Thiazole compounds such as (p-diethylaminostyryl)-6-dinithylaminobenzothiazole, bis(4
Triarylmethane compounds such as -diethylamino-2-methylphenyl)-phenylmethane, 1,1bis(
Polyarylalkanes such as 4-N,N-diethylamino-2-methylphenyl)hebutane, 1゜1.2.2-tetrakis(4-N,N-dimethylamino-2-methylphenyl)ethane, triphenyl Amino, poly-N-
Examples include vinylcarbazole, polyvinylpyrene, polyvinylanthracene, polyvinylacridine, poly-9-vinylphenylanthracene, pyrene-formaldehyde resin, ethylcarbazole-formaldehyde resin, and the like.
これらの有機電荷輸送物質の他にセレン、セレン−テル
ル、アモルファスシリコン、硫化カドミウムなどの無機
材料も用いることができる。In addition to these organic charge transport materials, inorganic materials such as selenium, selenium-tellurium, amorphous silicon, and cadmium sulfide can also be used.
また、これらの電荷輸送物質は1種または2種以上組合
せて用いることができる。Further, these charge transport materials can be used alone or in combination of two or more.
電荷輸送物質が成膜性を有していないときには適当なバ
インダーを選択することによって被膜形成できる。バイ
ンダーとして使用できる樹脂は、例えばアクリル樹脂、
ボリアリレート、ポリエステル、ポリカーボネート、ポ
リスチレン、アクリロニトリル−スチレンコポリマー、
アクリロニトリル−ブタジェンコポリマー、ポリビニル
ブチラール、ポリビニルホルマール、ポリスルホン、ポ
リアクリルアミド、ポリアミド、塩素化ゴムなどの絶縁
性樹脂あるいはポリ−N−ビニルカルバゾールポリビニ
ルアントラセン、ポリビニルピレンなどの有機光導電性
ポリマーが挙げられる。When the charge transport material does not have film-forming properties, a film can be formed by selecting an appropriate binder. Examples of resins that can be used as binders include acrylic resin,
polyarylate, polyester, polycarbonate, polystyrene, acrylonitrile-styrene copolymer,
Examples include insulating resins such as acrylonitrile-butadiene copolymer, polyvinyl butyral, polyvinyl formal, polysulfone, polyacrylamide, polyamide, chlorinated rubber, and organic photoconductive polymers such as poly-N-vinylcarbazole polyvinylanthracene and polyvinylpyrene.
電荷輸送層は、電荷キャリアを輸送できる限界があるの
で、必要以上に膜厚を厚くすることができない。−船釣
には5〜30#Lであるが、好ましい範囲は8〜20川
である。塗工によって電荷輸送層を形成する際には、前
述したような適当なコーティング法を用いることができ
る。Since the charge transport layer has a limit in its ability to transport charge carriers, it cannot be made thicker than necessary. - For boat fishing, it is 5-30 #L, but the preferred range is 8-20 #L. When forming the charge transport layer by coating, an appropriate coating method as described above can be used.
このような電荷発生層と電荷輸送層の積層構造からなる
感光層は、導電層を有する基板の上に設けられる。導電
層を有する基板としては、基板自体が導電性をもつもの
、例えばアルミニウム、アルミニウム合金、銅、亜鉛、
ステンレス、バナジウム、モリブデン、クロム、チタン
、ニッケル、インジウム、金や白金などを用いることが
でき、その他にアルミニウム、アルミニウム合金、酸化
インジウム、酸化錫、酸化インジウム−酸化錫合金など
を真空蒸着法によって被膜形成された層を有するプラス
チック(例えばポリエチレン、ポリプロピレン、ポリ塩
化ビニル、ポリエチレンテレフタレート、アクリル樹脂
、ポリフッ化エチレンなど)、導電性粒子(例えばカー
ボンブラック。A photosensitive layer having such a laminated structure of a charge generation layer and a charge transport layer is provided on a substrate having a conductive layer. As the substrate having a conductive layer, the substrate itself is conductive, such as aluminum, aluminum alloy, copper, zinc,
Stainless steel, vanadium, molybdenum, chromium, titanium, nickel, indium, gold, platinum, etc. can be used, and in addition, aluminum, aluminum alloy, indium oxide, tin oxide, indium oxide-tin oxide alloy, etc. can be coated by vacuum evaporation method. Plastics (e.g. polyethylene, polypropylene, polyvinyl chloride, polyethylene terephthalate, acrylic resins, polyfluoroethylene, etc.) with formed layers, conductive particles (e.g. carbon black).
銀粒子など)を適当なバインダーとともにプラスチック
上に被覆した基板、導電性粒子をプラスチックや紙に含
浸した基板や導電性ポリマーを有するプラスチックなど
を用いることができる。A substrate in which plastic is coated with silver particles (silver particles, etc.) together with a suitable binder, a substrate in which plastic or paper is impregnated with conductive particles, a plastic containing a conductive polymer, etc. can be used.
導電性基板と感光層の中間に、バリヤー機能と接着機能
をもつ下引層を設けることもできる。An undercoat layer having barrier and adhesive functions can also be provided between the conductive substrate and the photosensitive layer.
下引層はカゼイン、ポリビニルアルコール、ニトロセル
ロース、エチレン−アクリル酸コポリマー、ポリアミド
(ナイロン6、ナイロン66、ナイロン610、共重合
ナイロン、アルコキシメチル化ナイロンなど)、ポリウ
レタン、ゼラチン、酸化アルミニウムなどによって形成
できる。下引層の膜厚は0.1〜51L、好ましくは0
.5〜3pが適当である。The subbing layer can be formed from casein, polyvinyl alcohol, nitrocellulose, ethylene-acrylic acid copolymer, polyamide (nylon 6, nylon 66, nylon 610, copolymerized nylon, alkoxymethylated nylon, etc.), polyurethane, gelatin, aluminum oxide, etc. . The thickness of the undercoat layer is 0.1 to 51L, preferably 0.
.. 5-3p is appropriate.
導電性基板、電荷発生層、電荷輸送層の順に積層した感
光体を使用する場合において電荷輸送物質が電子輸送性
物質からなるときは、電荷輸送層表面を正に帯電する必
要があり、帯電後露光すると露光部では電荷発生層にお
いて生成した電子が電荷輸送層に注入され、その後、表
面に到達して正電荷を中和し、表面電位の減衰が生じ、
未露光部との間に静電コントラストが生じる。When using a photoreceptor in which a conductive substrate, a charge generation layer, and a charge transport layer are laminated in this order, and the charge transport material is an electron transport material, the surface of the charge transport layer must be positively charged, and after charging, When exposed to light, electrons generated in the charge generation layer are injected into the charge transport layer in the exposed area, and then reach the surface and neutralize the positive charges, resulting in attenuation of the surface potential.
Electrostatic contrast occurs between the exposed area and the unexposed area.
このようにしてできた静電潜像を負荷電性のトナーで現
像すれば、可視像が得られる。A visible image is obtained by developing the electrostatic latent image thus formed with a negatively charged toner.
これを直接定着するか、あるいはトナー像を紙やプラス
チックフィルムなどに転写後、現像し定着することがで
きる。This can be directly fixed, or the toner image can be transferred to paper or plastic film and then developed and fixed.
また感光体上の静電潜像を転写紙の絶縁層上に転写後現
像し、定着する方法もとれる。現像剤の種類や現像方法
、定着方法は公知のものや公知の方法のいずれを採用し
てもよく、特定のものに限定されるものではない。Alternatively, a method may be used in which the electrostatic latent image on the photoreceptor is transferred onto an insulating layer of transfer paper, then developed and fixed. The type of developer, the developing method, and the fixing method may be any known ones or methods, and are not limited to specific ones.
一方、電荷輸送物質が正孔輸送性物質からなる場合、電
荷輸送層表面を負に帯電する必要があり、帯電後、露光
すると露光部では電荷発生層において生成した正孔が電
荷輸送層に注入され、その後表面に到達して負電荷を中
和し、表面電位の減衰が生じ未露光部との間に静電コン
トラストが生じる。現像時には電子輸送性物質を用いた
ときとは逆に正荷電性トナーを用いる必要がある。On the other hand, when the charge transport material is a hole transport material, the surface of the charge transport layer must be negatively charged, and when exposed to light after charging, holes generated in the charge generation layer are injected into the charge transport layer in the exposed area. After that, it reaches the surface and neutralizes the negative charge, resulting in attenuation of the surface potential and an electrostatic contrast between it and the unexposed area. During development, it is necessary to use a positively charged toner, contrary to when an electron transporting substance is used.
導電性基板、電荷輸送層、電荷発生層の順に積層した電
子写真感光体を使用する場合において、電荷輸送物質が
電子輸送性物質からなるときは、電荷発生層表面を負に
帯電する必要があり、帯電後露光すると、露光部では電
荷発生層において生成した電子は電荷輸送層に注入され
、その後基板に達する。一方電荷発生層において生成し
た正孔は表面に到達し、表面電位の減衰が生じ、未露光
部との間に静電コントラストが生じる。このようにして
できた静電潜像を正荷電性のトナーで現像すれば可視像
が得られる。これを直接定着するかあるいはトナー像を
紙やプラスチックフィルムなどに転写後現像し定着する
ことができる。When using an electrophotographic photoreceptor in which a conductive substrate, a charge transport layer, and a charge generation layer are laminated in this order, if the charge transport substance is an electron transport substance, the surface of the charge generation layer must be negatively charged. When exposed to light after charging, electrons generated in the charge generation layer are injected into the charge transport layer in the exposed area, and then reach the substrate. On the other hand, holes generated in the charge generation layer reach the surface, attenuation of the surface potential occurs, and electrostatic contrast occurs between the layer and the unexposed area. A visible image is obtained by developing the electrostatic latent image thus formed with a positively charged toner. This can be directly fixed, or the toner image can be transferred to paper or plastic film and then developed and fixed.
また感光体上の静電潜像を転写紙の絶縁層上に転写後現
像し、定着する方法もとれる。現像剤の種類や現像方法
、定着方法は公知のものや公知の方法のいずれを採用し
てもよく、特定のものに限定されるものではない。Alternatively, a method may be used in which the electrostatic latent image on the photoreceptor is transferred onto an insulating layer of transfer paper, then developed and fixed. The type of developer, the developing method, and the fixing method may be any known ones or methods, and are not limited to specific ones.
一方電荷発生層が正孔輸送物質からなるときは、電荷発
生層表面を正に帯電する必要があり、帯電後露光すると
、露光部では電荷発生層において生成した正孔は電荷輸
送層に注入され、その後基板に達する。一方電荷発生層
において生成した電子は表面に到達し、表面電位の減衰
が生じ、未露光部との間に静電コントラストが生じる。On the other hand, when the charge generation layer is made of a hole transport material, the surface of the charge generation layer must be positively charged, and when exposed to light after charging, the holes generated in the charge generation layer are injected into the charge transport layer in the exposed area. , then reaches the substrate. On the other hand, electrons generated in the charge generation layer reach the surface, attenuation of the surface potential occurs, and electrostatic contrast occurs between the layer and the unexposed area.
現像時には電子輸送性物質を用いた場合とは逆に負荷電
性トナーを用いる必要がある。During development, it is necessary to use a negatively charged toner, contrary to the case where an electron transporting substance is used.
また、本発明の別の具体例では前述のヒドラゾン類、ピ
ラゾリン類、オキサゾール類、チアゾール類、トリアリ
ールメタン類、ボリアリールアルカン類、トリフェニル
アミノ、ポリ−N−ビニルカルバゾール類など有機光導
電性物質や酸化亜鉛、硫化カドミウム、セレンなどの無
機光導電性物質の増感剤として前記一般式(1)で示す
ジスアゾ顔料を含有させた感光被膜とすることができ、
この感光被膜は、これらの光導電性物質と前記ジスアゾ
顔料をバインダーと共に塗工によって被膜形成される。Further, in another specific example of the present invention, organic photoconductive materials such as the aforementioned hydrazones, pyrazolines, oxazoles, thiazoles, triarylmethanes, polyarylalkanes, triphenylamino, poly-N-vinylcarbazoles, etc. The photosensitive film may contain a disazo pigment represented by the general formula (1) as a sensitizer for inorganic photoconductive substances such as zinc oxide, cadmium sulfide, and selenium.
This photosensitive film is formed by coating these photoconductive substances and the disazo pigment together with a binder.
さらに本発明の別の具体例として、前述の一般式(1)
で示すジスアゾ顔料を電荷輸送物質とともに同一層に含
有させた電子写真感光体を挙げることができる。この際
、前述の電荷輸送物質の他にポリ−N−ビニルカルバゾ
ールとトリニトロフルオレノンからなる電荷移動錯化合
物を用いることができる。Furthermore, as another specific example of the present invention, the above general formula (1)
Examples include an electrophotographic photoreceptor containing a disazo pigment represented by the following in the same layer together with a charge transporting substance. At this time, a charge transfer complex compound consisting of poly-N-vinylcarbazole and trinitrofluorenone can be used in addition to the above-mentioned charge transport substance.
この例の電子写真感光体は、前記ジスアゾ顔料と電荷移
動錯化合物をテトラヒドロフランに溶解されたポリエス
テル溶液中に分散させた後、被膜形成させて作成できる
。The electrophotographic photoreceptor of this example can be prepared by dispersing the disazo pigment and charge transfer complex compound in a polyester solution dissolved in tetrahydrofuran, and then forming a film thereon.
いずれの電子写真感光体においても用いる顔料は一般式
(1)で示すジスアゾ顔料から選ばれる少なくとも1種
類の顔料を含有し、その結晶形は非晶質であっても結晶
質であってもよい。The pigment used in any electrophotographic photoreceptor contains at least one type of pigment selected from disazo pigments represented by general formula (1), and its crystal form may be amorphous or crystalline. .
また必要に応じて光吸収の異なる顔料を組合せて使用し
感光体の感度を高めたり、パンクロマチックな感光体を
得るなどの目的で一般式(1)で示すジスアゾ顔料を2
種類以上組合せたり、または公知の染料、顔料から選ば
れた電荷発生物質と組合せて使用することも可能である
。In addition, if necessary, the disazo pigment represented by the general formula (1) may be used in combination to increase the sensitivity of the photoreceptor or to obtain a panchromatic photoreceptor.
It is also possible to use a combination of more than one kind, or a combination with a charge generating substance selected from known dyes and pigments.
本発明の電子写真感光体は電子写真複写機に利用するの
みならず、レーザープリンター、CRTプリンター、L
EDプリンター、液晶プリンター、レーザー製版などの
電子写真応用分野にも広く用いることができる。The electrophotographic photoreceptor of the present invention can be used not only for electrophotographic copying machines, but also for laser printers, CRT printers, L
It can also be widely used in electrophotographic applications such as ED printers, liquid crystal printers, and laser engraving.
[実施例]
実施例1〜25
アルミ板上にカゼインのアンモニア水溶液(カゼイン1
i、2g、アンモニア水1g、水222mA)をマイヤ
ーバーで乾燥後の膜厚が 1.0用となるように塗布し
乾燥した。[Example] Examples 1 to 25 Ammonia aqueous solution of casein (casein 1
2 g of aqueous ammonia, 222 mA of water) was applied with a Mayer bar so that the film thickness after drying was 1.0, and dried.
次に、前記例示顔料(1)の5gをエタノール95 m
lにブチラール樹脂(ブチラール化度63モル%)2
gを溶解した液に加え、サンドミルで2時間分散した。Next, 5 g of the exemplary pigment (1) was added to 95 m of ethanol.
Butyral resin (degree of butyralization 63 mol%) 2
g was added to the dissolved liquid and dispersed in a sand mill for 2 hours.
この分散液を先に形成したカゼイン層の上に乾燥後の膜
厚が0.51Lとなるようにマイヤーバーで塗布し乾燥
して電荷発生層を形成した。This dispersion was applied onto the previously formed casein layer using a Mayer bar so that the film thickness after drying would be 0.51 L, and dried to form a charge generation layer.
のヒドラゾン化合物5gとポリメチルメタクリレート(
数平均分子量10万)5gをベンゼン70m文に溶解し
、これを電荷発生層の上に乾燥後の膜厚が12JLとな
るようにマイヤーバーで塗布し乾燥して電荷輸送層を形
成し、実施例1の電子写真感光体を作成した。5g of hydrazone compound and polymethyl methacrylate (
Dissolve 5 g of (number average molecular weight: 100,000) in 70 m of benzene, apply this onto the charge generation layer using a Mayer bar so that the film thickness after drying is 12 JL, and dry to form a charge transport layer. An electrophotographic photoreceptor of Example 1 was prepared.
例示顔料(1)に代えて他の例示顔料を用い、実施例2
〜25に対応する電子写真感光体を全く同様にして作成
した。Example 2 using other exemplary pigments in place of exemplary pigment (1)
Electrophotographic photoreceptors corresponding to Examples 1 to 25 were prepared in exactly the same manner.
このようにして作成した電子写真感光体を静電複写紙試
験装置(Model 5r−428、川口電機■製)
を用い、スタ)−/り方式で一5KVでコロナ帯電し、
暗所で1秒間保持した後、照度2ルツクスの光で露光し
、帯電特性を調べた。The electrophotographic photoreceptor thus prepared was tested using an electrostatic copying paper tester (Model 5r-428, manufactured by Kawaguchi Denki ■).
Corona charging was carried out at -5 KV using the star)-/ri method.
After being held in a dark place for 1 second, it was exposed to light at an illuminance of 2 lux to examine its charging characteristics.
帯電特性としては表面電位(Vo )と1秒間暗減衰さ
せた時の電位をl/2に減衰するに必要な露光量(El
/2)を測定した。結果を示す。The charging characteristics include the surface potential (Vo) and the amount of light exposure (El) required to attenuate the potential to 1/2 when the dark decay occurs for 1 second.
/2) was measured. Show the results.
実施例 例示顔料 vo El/2−V
lux 5ea
1 (1) 700 3.92
(2) 750 2.03 (9)
690 3.54 (15) 710
2.55 (18) 710 3.0
6 (23) 690 3.57 (
27) 690 3.8g (29)
700 2.59 (33) 690
3.410 (37) 700 3.
011 (41) 690 3.012
(48) 710 2.第13 (5
2) 710 2.014 (53)
690 3.515 (59) 71
0 2.516 (62) 700 2
.217 (E)7) 700 2.71
8 (70) 690 3.219
(74) 710 2.620
(78) 760 3.02
1 (82) 700 3
.522 (86) 690
4.023 (89) 700
4.024 (93) 69
0 3.625 (Zoo) 8
90 3.8比較例1〜6
比較のため、下記対称型ジスアゾ顔料を用い、他は実施
例1と同様の方法で電子写真感光体を作成し、同様に帯
電特性を調べた。結果を示す。Examples Illustrative pigments vo El/2-V
lux 5ea 1 (1) 700 3.92
(2) 750 2.03 (9)
690 3.54 (15) 710
2.55 (18) 710 3.0
6 (23) 690 3.57 (
27) 690 3.8g (29)
700 2.59 (33) 690
3.410 (37) 700 3.
011 (41) 690 3.012
(48) 710 2. 13th (5
2) 710 2.014 (53)
690 3.515 (59) 71
0 2.516 (62) 700 2
.. 217 (E)7) 700 2.71
8 (70) 690 3.219
(74) 710 2.620
(78) 760 3.02
1 (82) 700 3
.. 522 (86) 690
4.023 (89) 700
4.024 (93) 69
0 3.625 (Zoo) 8
90 3.8 Comparative Examples 1 to 6 For comparison, electrophotographic photoreceptors were prepared in the same manner as in Example 1 except for using the following symmetrical disazo pigments, and the charging characteristics were examined in the same manner. Show the results.
比較顔料(1)
比較顔料(2)
比較顔料(3)
比較顔料(4)
比較顔料(5)
比較顔料(6)
比較例 比較顔料 vo El/2 対応する一V
lux 5ec
1 1) 6707.0 8
2 (2) 6805.5 83 (
3) 6805.8 94 (4)
6805.3 95 (5) 6807.
5 186 (6) 670 5.7 .1
8実施例1〜25と比較例の結果から、対称型ジスアゾ
顔料を用いた比較例の感光体より非対称型ジスアゾ顔料
を用いた本発明の感光体が帯電特性が良好であることが
認められ、これは構造的な電荷の偏りまたは微妙なバラ
ンスが電荷キャリアの発生および注入に寄与するためと
考えられる。Comparative pigment (1) Comparative pigment (2) Comparative pigment (3) Comparative pigment (4) Comparative pigment (5) Comparative pigment (6) Comparative example Comparative pigment vo El/2 Corresponding one V
lux 5ec 1 1) 6707.0 8 2 (2) 6805.5 83 (
3) 6805.8 94 (4)
6805.3 95 (5) 6807.
5 186 (6) 670 5.7. 1
8 From the results of Examples 1 to 25 and Comparative Examples, it is recognized that the photoreceptor of the present invention using an asymmetric disazo pigment has better charging characteristics than the photoreceptor of the comparative example using a symmetric disazo pigment. This is thought to be because structural charge bias or delicate balance contributes to the generation and injection of charge carriers.
実施例26〜30
実施例1.10,12.16.22で作成した電子写真
感光体を用い、繰り返し使用時の明部電位と暗部電位の
変動を測定した。Examples 26 to 30 Using the electrophotographic photoreceptors prepared in Examples 1.10, 12.16.22, variations in bright area potential and dark area potential during repeated use were measured.
方法としては、−5,6KVのコロナ帯電器、露光光学
系、現像器、転写帯電器、除電露光光学系およびクリー
ナーを備えた電子写真複写機のシリンダーに感光体を貼
り付けた。この複写機はシリンダーの駆動に伴ない、転
写紙上に画像が得られる構成になっている。この複写機
を用い、初期の明部電位(VL )と暗部電位(v′D
)を、それぞれ−170v、−700V付近に設定し、
5゜000回使用した後の明部電位(V L)と暗部電
位(V))を測定した。結果を示す。As a method, the photoreceptor was attached to the cylinder of an electrophotographic copying machine equipped with a -5.6 KV corona charger, an exposure optical system, a developer, a transfer charger, a static elimination exposure optical system, and a cleaner. This copying machine is configured to produce an image on transfer paper as the cylinder is driven. Using this copying machine, the initial bright area potential (VL) and dark area potential (v'D
) are set around -170v and -700V, respectively.
The light area potential (VL) and dark area potential (V) were measured after 5°,000 uses. Show the results.
実施例 感光体 初 期
VD −V VL −V
3o (22) 690 165実施例
感光体 5千枚耐久後Vo −V VL
−V
29 (IS) 875 192実施例31
実施何重と同様の方法で形成した電荷発生層の上に、2
,4.7−ドリニトロー9−フルオレノン5gとポリ−
4,4°−ジオキシジフェニル−2,2−プロパンカー
ボネート(分子量3o万)5gをテトラヒドロフラン7
0mJlに溶解して調製した塗布液を乾燥後の塗工量が
10g/cm2となるように塗布し、乾燥した。Example Photoreceptor Initial VD -V VL -V 3o (22) 690 165 Example
Photoconductor Vo -V VL after 5,000 sheets durability
-V 29 (IS) 875 192 Example 31 On top of the charge generation layer formed in the same manner as in the number of implementations, two
, 5 g of 4.7-dolinitro-9-fluorenone and poly-
5 g of 4,4°-dioxydiphenyl-2,2-propane carbonate (molecular weight 30,000) was added to 7 g of tetrahydrofuran.
A coating solution prepared by dissolving in 0 mJl was applied so that the coating amount after drying was 10 g/cm 2 and dried.
こうして作成した電子写真感光体を実施例1と同様の方
法で帯電特性を測定した。但し、帯電極性は十とした。The charging characteristics of the electrophotographic photoreceptor thus prepared were measured in the same manner as in Example 1. However, the charging polarity was set to 10.
結果を示す。Show the results.
vo :+700V
El/2:3.8uux、sec
実施例32
アルミ蒸着ポリエチレンテレフタレートフィルムのアル
ミ面上に膜厚0.5pのポリビニルアルコールの被膜を
形成した。vo: +700V El/2: 3.8 uux, sec Example 32 A polyvinyl alcohol film with a film thickness of 0.5p was formed on the aluminum surface of an aluminum vapor-deposited polyethylene terephthalate film.
次に、実施例1で用いた例示顔料(1)の分散液を先に
形成したポリビニルアルコール層の上に乾燥後の膜厚が
0.51Lとなるようにマイヤーバーで塗布、乾燥して
電荷発生層を形成した。Next, the dispersion of the exemplary pigment (1) used in Example 1 was applied onto the polyvinyl alcohol layer formed earlier using a Mayer bar so that the film thickness after drying was 0.51 L, dried, and charged. A generation layer was formed.
のピラゾリン化合物5gとボリアリレート(ビスフェノ
ールAとテレフタル酸−イソフタル酸の縮重合体)5g
をテトラヒドロフラン70m1に溶かした液を電荷発生
層上に乾燥後の膜厚が10川となるように塗布、乾燥し
て電荷輸送層を形成した。5 g of pyrazoline compound and 5 g of polyarylate (condensation polymer of bisphenol A and terephthalic acid-isophthalic acid)
A solution obtained by dissolving the above in 70 ml of tetrahydrofuran was applied onto the charge generation layer so that the film thickness after drying was 10 mm, and dried to form a charge transport layer.
こうして作成した電子写真感光体の帯電特性および耐久
特性を実施例1および実施例26と同様の方法により測
定した。結果を示す。The charging characteristics and durability characteristics of the electrophotographic photoreceptor thus prepared were measured in the same manner as in Examples 1 and 26. Show the results.
Vo ニー700V
El/2:3.9文uX、SeC
耐久特性
初期 VDニー700V
VLニー170V
5千枚耐久後
Vo ニー685V
VLニー190V
上記の結果は、感度、耐久使用時の電位安定性共に良好
であることを示している。Vo knee 700V El/2: 3.9 sentences uX, SeC Durability characteristics initial VD knee 700V VL knee 170V After 5,000 sheets durability Vo knee 685V VL knee 190V The above results show good sensitivity and potential stability during durable use. It shows that.
実施例33
厚さ100pLのアルミ板上にカゼインのアンモニア水
溶液を塗布、乾燥して膜厚0.5#Lの下引層を形成し
た。Example 33 An ammonia aqueous solution of casein was coated on an aluminum plate with a thickness of 100 pL and dried to form a subbing layer with a thickness of 0.5 #L.
次に、2,4.7−ドリニトロー9−フルオレノン5g
とポリ−N−ビニルカルバゾール(数平均分子量30万
)5gをテトラヒドロフラン70m1に溶かして電荷移
動錯化合物を調製した。Next, 5 g of 2,4.7-dolinitro-9-fluorenone
A charge transfer complex compound was prepared by dissolving 5 g of poly-N-vinylcarbazole (number average molecular weight: 300,000) in 70 ml of tetrahydrofuran.
この電荷移動錯化合物と例示顔料(3)の1gをポリエ
ステル(商品名バイロン、東洋紡輛製)5gをテトラヒ
ドロフラン70+nQに溶かした液に加え、分散した。This charge transfer complex compound and 1 g of Exemplary Pigment (3) were added to a solution in which 5 g of polyester (trade name: Vylon, manufactured by Toyobo Co., Ltd.) was dissolved in 70+nQ of tetrahydrofuran, and dispersed.
この分散液を下引層の上に塗布、乾燥して12ルの層を
形成し、電子写真感光体を作成した。This dispersion was applied onto the undercoat layer and dried to form a 12-layer layer to prepare an electrophotographic photoreceptor.
この電子写真感光体の帯電特性を実施例1と同様の方法
により測定した。The charging characteristics of this electrophotographic photoreceptor were measured in the same manner as in Example 1.
但し、帯電は十とした。結果を示す。However, the electrical charge was set to 10. Show the results.
VO:+710V
El/2:3.2Jlux、see
実施例34
実施例33で用いたカゼイン層を形成したアルミ基板の
カゼイン層上に、実施例1と同様の電荷輸送層、電荷発
生層を順次aNし、層構成を異にする他は実施例1と全
く同様にして電子写真感光体を作成し、実施例1と同様
の方法により帯電特性を測定した。但し、帯電極性は十
とした。VO: +710V El/2: 3.2Jlux, see Example 34 On the casein layer of the aluminum substrate on which the casein layer used in Example 33 was formed, a charge transport layer and a charge generation layer similar to Example 1 were sequentially formed using aN. However, an electrophotographic photoreceptor was prepared in exactly the same manner as in Example 1 except that the layer structure was different, and the charging characteristics were measured in the same manner as in Example 1. However, the charging polarity was set to 10.
結果を示す。Show the results.
V□:+700V
El/2:4.0Jljux、see
[発明の効果]
本発明の電子写真感光体は、特定の非対称ジスアゾ顔料
を光導電層に含有することにより、構造的な電荷の偏り
または微妙なバランスが寄与するためか、当該ジスアゾ
顔料を含む光導電層内部における電荷キャリア発生効率
ないしは電荷キャリア輸送効率のいずれかの一方または
双方が良くなることが推定され、高感度で耐久使用時に
おける電位安定性の優れた電子写真感光体である。V□: +700V El/2: 4.0Jljux, see [Effects of the Invention] The electrophotographic photoreceptor of the present invention contains a specific asymmetric disazo pigment in the photoconductive layer, thereby eliminating structural charge bias or subtle charge bias. It is estimated that either or both of the charge carrier generation efficiency and the charge carrier transport efficiency within the photoconductive layer containing the disazo pigment will be improved, possibly due to the contribution of this balance, and the potential during high sensitivity and long-term use will be improved. It is an electrophotographic photoreceptor with excellent stability.
Claims (14)
において、光導電層に下記一般式(1)で示す非対称ジ
スアゾ顔料を含有することを特徴とする電子写真感光体
。 一般式 ▲数式、化学式、表等があります▼(1) 式中、R_1およびR_2は同一または異なって水素原
子、置換基を有してもよいアルキル基、アルコキシ基ま
たはハロゲン原子を示し、 Arは▲数式、化学式、表等があります▼または▲数式
、化学式、表等があります▼ (Xは酸素原子または硫黄原子を示す)を示し、A_1
およびA_2は相異なるフェノール性水酸基を有するカ
プラー残基を示す。(1) An electrophotographic photoreceptor having a photoconductive layer on a conductive substrate, characterized in that the photoconductive layer contains an asymmetric disazo pigment represented by the following general formula (1). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (1) In the formula, R_1 and R_2 are the same or different and represent a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom that may have a substituent, and Ar is ▲There are mathematical formulas, chemical formulas, tables, etc.▼ or ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (X represents an oxygen atom or a sulfur atom), A_1
and A_2 represent coupler residues having different phenolic hydroxyl groups.
般式(2)で示す非対称ジスアゾ顔料である特許請求の
範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(2) 式中、R_1およびR_2は同一または異なって水素原
子、置換基を有してもよいアルキル基、アルコキシ基ま
たはハロゲン原子を示し、A_1およびA_2は相異な
るフェノール性水酸基を有するカプラー残基を示し、X
は酸素原子または硫黄原子を示す。(2) The electrophotographic photoreceptor according to claim 1, wherein the asymmetric disazo pigment represented by the general formula (1) is an asymmetric disazo pigment represented by the following general formula (2). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (2) In the formula, R_1 and R_2 are the same or different and represent a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom that may have a substituent, and A_1 and A_2 represents coupler residues having different phenolic hydroxyl groups;
represents an oxygen atom or a sulfur atom.
般式(3)で示す非対称ジスアゾ顔料である特許請求の
範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(3) 式中、R_1およびR_2は同一または異なって水素原
子、置換基を有してもよいアルキル基、アルコキシ基ま
たはハロゲン原子を示し、A_1およびA_2は相異な
るフェノール性水酸基を有するカプラー残基を示し、X
は酸素原子または硫黄原子を示す。(3) The electrophotographic photoreceptor according to claim 1, wherein the asymmetric disazo pigment represented by the general formula (1) is an asymmetric disazo pigment represented by the following general formula (3). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (3) In the formula, R_1 and R_2 are the same or different and represent a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom that may have a substituent, and A_1 and A_2 represents coupler residues having different phenolic hydroxyl groups;
represents an oxygen atom or a sulfur atom.
般式(4)で示す非対称ジスアゾ顔料である特許請求の
範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(4) 式中、R_1およびR_2は同一または異なって水素原
子、置換基を有してもよいアルキル基、アルコキシ基ま
たはハロゲン原子を示し、A_1およびA_2は相異な
るフェノール性水酸基を有するカプラー残基を示し、X
は酸素原子または硫黄原子を示す。(4) The electrophotographic photoreceptor according to claim 1, wherein the asymmetric disazo pigment represented by the general formula (1) is an asymmetric disazo pigment represented by the following general formula (4). General formula▲There are mathematical formulas, chemical formulas, tables, etc.▼(4) In the formula, R_1 and R_2 are the same or different and represent a hydrogen atom, an alkyl group, an alkoxy group, or a halogen atom that may have a substituent, and A_1 and A_2 represents coupler residues having different phenolic hydroxyl groups;
represents an oxygen atom or a sulfur atom.
式(5)で示すフェノール性水酸基を有するカプラー残
基である特許請求の範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(5) 式中、Yはベンゼン環と縮合して多環芳香環あるいはヘ
テロ環を形成するに必要な残基、R_3およびR_4は
水素原子、置換基を有してもよいアルキル基、アリール
基、アラルキル基、ヘテロ環基あるいはR_3、R_4
の結合する窒素原子とともに環状アミノ基を示す。(5) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (5). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (5) In the formula, Y is a residue necessary to form a polycyclic aromatic ring or a heterocycle by condensing with a benzene ring, R_3 and R_4 are hydrogen atoms, substituted Alkyl group, aryl group, aralkyl group, heterocyclic group or R_3, R_4 which may have a group
indicates a cyclic amino group together with the nitrogen atom to which it is bonded.
式(6)で示すフェノール性水酸基を有するカプラー残
基である特許請求の範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(6) 式中、R_5は置換基を有してもよいアルキル基、アリ
ール基あるいはアラルキル基を示す。(6) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (6). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (6) In the formula, R_5 represents an alkyl group, an aryl group, or an aralkyl group that may have a substituent.
式(7)で示すフェノール性水酸基を有するカプラー残
基である特許請求の範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(7) 式中、R_6は置換基を有してもよいアルキル基、アリ
ール基またはアラルキル基を示す。(7) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (7). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (7) In the formula, R_6 represents an alkyl group, an aryl group, or an aralkyl group that may have a substituent.
式(8)で示すフェノール性水酸基を有するカプラー残
基である特許請求の範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(8) 式中、Zは芳香族炭化水素の2価の基または窒素原子を
環内に含むヘテロ環の2価の基を示す。(8) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (8). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (8) In the formula, Z represents a divalent group of aromatic hydrocarbon or a divalent group of heterocycle containing a nitrogen atom in the ring.
式(9)で示すフェノール性水酸基を有するカプラー残
基である特許請求の範囲第1項記載の電子写真感光体。 一般式 ▲数式、化学式、表等があります▼(9) 式中、Zは芳香族炭化水素の2価の基または窒素原子を
環内に含むヘテロ環の2価の基を示す。(9) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (9). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (9) In the formula, Z represents a divalent group of aromatic hydrocarbon or a divalent group of heterocycle containing a nitrogen atom in the ring.
般式(10)で示すフェノール性水酸基を有するカプラ
ー残基である特許請求の範囲第1項記載の電子写真感光
体。 一般式 ▲数式、化学式、表等があります▼(10) 式中、R_7は置換基を有してもよいアリール基または
ヘテロ環基を示し、Yは前記一般式(5)中のYと同義
である。(10) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (10). General formula ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (10) In the formula, R_7 represents an aryl group or a heterocyclic group that may have a substituent, and Y has the same meaning as Y in the general formula (5) above. It is.
般式(11)で示すフェノール性水酸基を有するカプラ
ー残基である特許請求の範囲第1項記載の電子写真感光
体。 一般式 ▲数式、化学式、表等があります▼(11) 式中、R_8およびR_9は置換基を有してもよいアル
キル基、アリール基、アラルキル基またはヘテロ環基を
示し、Yは前記一般式(2)中のYと同義である。(11) The electrophotographic photoreceptor according to claim 1, wherein A_1 or A_2 in general formula (1) is a coupler residue having a phenolic hydroxyl group represented by the following general formula (11). General formula ▲ Numerical formula, chemical formula, table, etc. ▼ (11) In the formula, R_8 and R_9 represent an alkyl group, an aryl group, an aralkyl group, or a heterocyclic group that may have a substituent, and Y is the general formula shown above. It has the same meaning as Y in (2).
(5)〜(11)で示す構造から選択される特許請求の
範囲第1項記載の電子写真感光体。(12) The electrophotographic photoreceptor according to claim 1, wherein A_1 and A_2 in general formula (1) are selected from structures represented by general formulas (5) to (11).
(5)〜(11)中から選択される構造であって、一方
がドナー性置換基を有するフェノール性水酸基を有する
カプラー残基であり、他方がアクセプター性置換基を有
するフェノール性水酸基を有するカプラー残基である特
許請求の範囲第1項記載の電子写真感光体。(13) A_1 and A_2 in general formula (1) have a structure selected from general formulas (5) to (11), one of which is a coupler residue having a phenolic hydroxyl group having a donor substituent; 2. The electrophotographic photoreceptor according to claim 1, wherein the other is a coupler residue having a phenolic hydroxyl group having an acceptor substituent.
よび置換アミノ基より選ばれる基であり、アクセプター
性置換基がハロゲン原子、ニトロ基、シアノ基およびア
シル基より選ばれる基である特許請求の範囲第13項記
載の電子写真感光体。(14) Claims in which the donor substituent is a group selected from an alkyl group, an alkoxy group, and a substituted amino group, and the acceptor substituent is a group selected from a halogen atom, a nitro group, a cyano group, and an acyl group. 14. The electrophotographic photoreceptor according to item 13.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25737587A JPH01100558A (en) | 1987-10-14 | 1987-10-14 | Electrophotographic sensitive body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25737587A JPH01100558A (en) | 1987-10-14 | 1987-10-14 | Electrophotographic sensitive body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01100558A true JPH01100558A (en) | 1989-04-18 |
Family
ID=17305516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25737587A Pending JPH01100558A (en) | 1987-10-14 | 1987-10-14 | Electrophotographic sensitive body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01100558A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5158848A (en) * | 1990-01-17 | 1992-10-27 | Fuji Electric Co., Ltd. | Photoconductor for electrophotography |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5412742A (en) * | 1977-06-30 | 1979-01-30 | Ricoh Co Ltd | Electrophotographic photoreceptor |
JPS5763540A (en) * | 1980-10-06 | 1982-04-17 | Copyer Co Ltd | Electrophotographic receptor |
JPS5766438A (en) * | 1980-10-14 | 1982-04-22 | Copyer Co Ltd | Electrophotographic receptor |
JPS5774746A (en) * | 1980-10-28 | 1982-05-11 | Copyer Co Ltd | Electrophotographic receptor |
JPS58147746A (en) * | 1982-02-26 | 1983-09-02 | Canon Inc | Organic photoconductor |
JPS59204840A (en) * | 1983-05-07 | 1984-11-20 | Konishiroku Photo Ind Co Ltd | Electrophotographic sensitive body |
JPS6113255A (en) * | 1984-06-29 | 1986-01-21 | Canon Inc | Preparation of organic photoconductor and charge generating material made of it |
JPS6184653A (en) * | 1984-10-01 | 1986-04-30 | Mitsubishi Paper Mills Ltd | Electrophotographic sensitive body |
-
1987
- 1987-10-14 JP JP25737587A patent/JPH01100558A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5412742A (en) * | 1977-06-30 | 1979-01-30 | Ricoh Co Ltd | Electrophotographic photoreceptor |
JPS5763540A (en) * | 1980-10-06 | 1982-04-17 | Copyer Co Ltd | Electrophotographic receptor |
JPS5766438A (en) * | 1980-10-14 | 1982-04-22 | Copyer Co Ltd | Electrophotographic receptor |
JPS5774746A (en) * | 1980-10-28 | 1982-05-11 | Copyer Co Ltd | Electrophotographic receptor |
JPS58147746A (en) * | 1982-02-26 | 1983-09-02 | Canon Inc | Organic photoconductor |
JPS59204840A (en) * | 1983-05-07 | 1984-11-20 | Konishiroku Photo Ind Co Ltd | Electrophotographic sensitive body |
JPS6113255A (en) * | 1984-06-29 | 1986-01-21 | Canon Inc | Preparation of organic photoconductor and charge generating material made of it |
JPS6184653A (en) * | 1984-10-01 | 1986-04-30 | Mitsubishi Paper Mills Ltd | Electrophotographic sensitive body |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5158848A (en) * | 1990-01-17 | 1992-10-27 | Fuji Electric Co., Ltd. | Photoconductor for electrophotography |
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