JPS6373267A - Electrophotographic sensitive body - Google Patents
Electrophotographic sensitive bodyInfo
- Publication number
- JPS6373267A JPS6373267A JP21703886A JP21703886A JPS6373267A JP S6373267 A JPS6373267 A JP S6373267A JP 21703886 A JP21703886 A JP 21703886A JP 21703886 A JP21703886 A JP 21703886A JP S6373267 A JPS6373267 A JP S6373267A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- fluorine
- electrophotographic photoreceptor
- powder
- fluoride
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000006185 dispersion Substances 0.000 claims abstract description 17
- ZQBFAOFFOQMSGJ-UHFFFAOYSA-N hexafluorobenzene Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1F ZQBFAOFFOQMSGJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- MBXXQYJBFRRFCK-UHFFFAOYSA-N benzyl fluoride Chemical compound FCC1=CC=CC=C1 MBXXQYJBFRRFCK-UHFFFAOYSA-N 0.000 claims abstract description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims abstract description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 4
- CLDYDTBRUJPBGU-UHFFFAOYSA-N butyl 2,2,2-trifluoroacetate Chemical compound CCCCOC(=O)C(F)(F)F CLDYDTBRUJPBGU-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 45
- 108091008695 photoreceptors Proteins 0.000 claims description 23
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 18
- 229910052731 fluorine Inorganic materials 0.000 claims description 18
- 239000011737 fluorine Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 7
- WRWPPGUCZBJXKX-UHFFFAOYSA-N 1-fluoro-4-methylbenzene Chemical compound CC1=CC=C(F)C=C1 WRWPPGUCZBJXKX-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- PJNAUZOZOXDVBL-UHFFFAOYSA-N C=C.F.F.Cl.Cl Chemical compound C=C.F.F.Cl.Cl PJNAUZOZOXDVBL-UHFFFAOYSA-N 0.000 claims description 2
- 229920006026 co-polymeric resin Polymers 0.000 claims description 2
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- XXZOEDQFGXTEAD-UHFFFAOYSA-N 1,2-bis(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1C(F)(F)F XXZOEDQFGXTEAD-UHFFFAOYSA-N 0.000 claims 1
- CHDVXKLFZBWKEN-UHFFFAOYSA-N C=C.F.F.F.Cl Chemical compound C=C.F.F.F.Cl CHDVXKLFZBWKEN-UHFFFAOYSA-N 0.000 claims 1
- YDPPMRSASQZREP-UHFFFAOYSA-N CC=C.C=C.F.F.F.F.F.F Chemical group CC=C.C=C.F.F.F.F.F.F YDPPMRSASQZREP-UHFFFAOYSA-N 0.000 claims 1
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims 1
- QULYNCCPRWKEMF-UHFFFAOYSA-N parachlorobenzotrifluoride Chemical compound FC(F)(F)C1=CC=C(Cl)C=C1 QULYNCCPRWKEMF-UHFFFAOYSA-N 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 239000011230 binding agent Substances 0.000 abstract description 8
- 230000006866 deterioration Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 5
- HPMLGNIUXVXALD-UHFFFAOYSA-N benzoyl fluoride Chemical compound FC(=O)C1=CC=CC=C1 HPMLGNIUXVXALD-UHFFFAOYSA-N 0.000 abstract description 2
- GETTZEONDQJALK-UHFFFAOYSA-N (trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC=C1 GETTZEONDQJALK-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000006748 scratching Methods 0.000 abstract 1
- 230000002393 scratching effect Effects 0.000 abstract 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 18
- 239000000243 solution Substances 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000049 pigment Substances 0.000 description 11
- -1 N,N-dimethylamino-2-methylphenyl Chemical group 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 9
- 239000000123 paper Substances 0.000 description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000012046 mixed solvent Substances 0.000 description 8
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 description 8
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 229920000515 polycarbonate Polymers 0.000 description 7
- 239000004417 polycarbonate Substances 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 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 6
- 238000011161 development Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 5
- 125000004076 pyridyl group Chemical group 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 229920006311 Urethane elastomer Polymers 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920006122 polyamide resin Polymers 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- SJBBXFLOLUTGCW-UHFFFAOYSA-N 1,3-bis(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=CC(C(F)(F)F)=C1 SJBBXFLOLUTGCW-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- SDDLEVPIDBLVHC-UHFFFAOYSA-N Bisphenol Z Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)CCCCC1 SDDLEVPIDBLVHC-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000000203 mixture Substances 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
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 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
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- AEDTZTOWJLGTIY-UHFFFAOYSA-N 1,6-difluoro-3-methylhex-1-ene Chemical compound FC=CC(C)CCCF AEDTZTOWJLGTIY-UHFFFAOYSA-N 0.000 description 1
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 description 1
- YGBCLRRWZQSURU-UHFFFAOYSA-N 4-[(diphenylhydrazinylidene)methyl]-n,n-diethylaniline Chemical compound C1=CC(N(CC)CC)=CC=C1C=NN(C=1C=CC=CC=1)C1=CC=CC=C1 YGBCLRRWZQSURU-UHFFFAOYSA-N 0.000 description 1
- NXJVZGPHZKWEAK-UHFFFAOYSA-N 4-[2-[3-[4-(diethylamino)phenyl]-2,3-dihydro-1h-pyrazol-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)NN1 NXJVZGPHZKWEAK-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
- 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
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- ZTWQZJLUUZHJGS-UHFFFAOYSA-N Vat Yellow 4 Chemical compound C12=CC=CC=C2C(=O)C2=CC=C3C4=CC=CC=C4C(=O)C4=C3C2=C1C=C4 ZTWQZJLUUZHJGS-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- 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 1
- 235000021240 caseins Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- OHABWQNEJUUFAV-UHFFFAOYSA-N dichloro-methyl-(3,3,3-trifluoropropyl)silane Chemical compound C[Si](Cl)(Cl)CCC(F)(F)F OHABWQNEJUUFAV-UHFFFAOYSA-N 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 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
- 230000004927 fusion Effects 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- JGOAZQAXRONCCI-SDNWHVSQSA-N n-[(e)-benzylideneamino]aniline Chemical compound C=1C=CC=CC=1N\N=C\C1=CC=CC=C1 JGOAZQAXRONCCI-SDNWHVSQSA-N 0.000 description 1
- SUJMFQYAKKPLSH-UHFFFAOYSA-N n-[[4-(diethylamino)phenyl]methylideneamino]-n-phenylnaphthalen-1-amine Chemical compound C1=CC(N(CC)CC)=CC=C1C=NN(C=1C2=CC=CC=C2C=CC=1)C1=CC=CC=C1 SUJMFQYAKKPLSH-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical compound C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OKYDCMQQLGECPI-UHFFFAOYSA-N thiopyrylium Chemical compound C1=CC=[S+]C=C1 OKYDCMQQLGECPI-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene 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
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
- G03G5/0528—Macromolecular bonding materials
- G03G5/0532—Macromolecular bonding materials obtained by reactions only involving carbon-to-carbon unsatured bonds
-
- 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
- G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
- G03G5/0525—Coating methods
-
- 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
- G03G5/14—Inert intermediate or cover layers for charge-receiving layers
- G03G5/147—Cover layers
-
- 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
- G03G5/14—Inert intermediate or cover layers for charge-receiving layers
- G03G5/147—Cover layers
- G03G5/14708—Cover layers comprising organic material
-
- 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
- G03G5/14—Inert intermediate or cover layers for charge-receiving layers
- G03G5/147—Cover layers
- G03G5/14708—Cover layers comprising organic material
- G03G5/14713—Macromolecular material
- G03G5/14717—Macromolecular material obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G5/14726—Halogenated polymers
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は電子写真感光体に関し、特に機械的強度、表面
用滑性、耐温性、画像性に優れた高耐久電子写真感光体
に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an electrophotographic photoreceptor, and particularly to a highly durable electrophotographic photoreceptor having excellent mechanical strength, surface lubricity, temperature resistance, and imageability.
［従来の技術１
電子写真感光体には、適用される電子写真プロセスに応
じた所定の感度、電気特性、光学特性を備えていること
が要求されるが、更に繰り返し使用される感光体におい
てはその感光体の表面層、即ち、基体より最も離隔する
層にはコロナ帯電。[Prior Art 1 Electrophotographic photoreceptors are required to have predetermined sensitivity, electrical properties, and optical properties depending on the electrophotographic process to which they are applied, but in addition, in photoreceptors that are used repeatedly, The surface layer of the photoreceptor, that is, the layer furthest from the substrate, is charged with corona.
トナー現像、紙への転写、クリーニング処理などの電気
的、機械的外力が直接に加えられるため、それらに対す
る耐久性が要求される。Since electrical and mechanical external forces such as toner development, transfer to paper, and cleaning processing are directly applied, durability against these forces is required.
具体的には摺擦による表面の摩耗や傷の発生、また高湿
下においてコロナ帯電時に発生するオゾンによる表面の
劣化などに対する耐久性が要求されている。Specifically, durability is required against surface abrasion and scratches due to rubbing, and surface deterioration due to ozone generated during corona charging under high humidity.
一方、トナーの現像、クリーニングの縁り返しによる表
面層へのトナー付着という問題もあり、これに対しては
表面層のクリーニング性を向上することが求められてい
る。On the other hand, there is also the problem of toner adhesion to the surface layer due to toner development and edge turning during cleaning, and to solve this problem, it is required to improve the cleaning performance of the surface layer.
上記のような表面層に要求される特性を満たすために種
々の方法が検討されているが、その中でも含フッ素樹脂
粉体を分散させた表面層を設けることが特に効果的であ
る。Various methods have been studied to satisfy the above-mentioned characteristics required for the surface layer, but among them, providing a surface layer in which fluororesin powder is dispersed is particularly effective.
含フッ素樹脂粉体を分散した表面層を設けることは、傷
、表面クリーニング性、摩耗などにおける耐久性を向上
させ、また感光体表面の撥水性、離型性を向上させるた
め高湿下での表面劣イヒの防止に対しても有効である。Providing a surface layer in which fluorine-containing resin powder is dispersed improves durability against scratches, surface cleaning, and abrasion, and also improves the water repellency and mold release properties of the photoconductor surface, making it suitable for use under high humidity conditions. It is also effective in preventing surface deterioration.
また表面に保護層として設けた場合、オゾンにより劣化
を受けやすい電荷輸送材や電荷発生材が表面より隔離さ
れ、更に耐久性が向上する。Furthermore, when a protective layer is provided on the surface, charge transporting materials and charge generating materials that are susceptible to deterioration by ozone are isolated from the surface, further improving durability.
しかしながら、含フッ素樹脂粉体分散においては、その
分散性、凝集性に問題があり、均一で平滑な膜を形成す
ることが困難であるため、得られた表面層は画像ムラや
ピンホールなどの画像欠陥を有することが避けられなか
った。However, when dispersing fluororesin powder, there are problems with its dispersibility and cohesiveness, making it difficult to form a uniform and smooth film. It was inevitable that the image would have defects.
また分散性の良好なバイングー樹脂あるいは分散助材な
どは殆どの場合電子写真特性の劣化を引き起こすことが
多く、効果的なものは見出せないのが現状であった。In addition, bindu resins or dispersion aids that have good dispersibility often cause deterioration of electrophotographic properties in most cases, and it is currently impossible to find anything effective.
［発明が解決しようとする問題点］
本発明の目的は摺擦による表面の摩耗や傷の発生に対し
て耐久性を有し、前述した欠点を満足するような電子写
真感光体を提供することである。[Problems to be Solved by the Invention] An object of the present invention is to provide an electrophotographic photoreceptor that has durability against surface abrasion and scratches caused by rubbing and satisfies the above-mentioned drawbacks. It is.
別の目的は表面の塗膜ムラやピンホールがなく且つ繰り
返し電子写真プロセスにおいて残留電位の８積がなく常
に高品位の画像が得られる電子写真感光体を提供するこ
とである。Another object of the present invention is to provide an electrophotographic photoreceptor that is free from coating unevenness and pinholes on its surface, and free from residual potential in repeated electrophotographic processes, allowing high-quality images to be obtained at all times.
［問題点を解決する手段１作用］
本発明においては、前記問題点を解決するための検討を
重ねた結果、含フッ素有機溶剤を用いてバインダー中に
含フッ素樹脂粉体を分散させた樹脂層を基体より最も離
隔する層に採用することにより前記要求に答える電子写
真感光体を供給することが可能になった。[Means for Solving Problems 1 Effect] In the present invention, as a result of repeated studies to solve the above problems, a resin layer in which fluorine-containing resin powder is dispersed in a binder using a fluorine-containing organic solvent is provided. By employing this in the layer furthest away from the substrate, it has become possible to provide an electrophotographic photoreceptor that meets the above requirements.
即ち、本発明は導電性基体上に感光層を有する電子写真
感光体において、少なくとも基体より最も離隔する層が
、少なくとも含フッ素樹脂粉体と含フッ素有機溶剤を含
有する分散液を使用して形成されたものであることを特
徴とする電子写真特性１に病、ｃ＋に檎命七めス
本発明に用いられる含フッ素樹脂粉体としては四フッ化
エチレン、三フッ化塩化エチレン、六フッ化エチレンプ
ロピレン、フッ化ヒニル、フッ化ビニリデン、二フッ化
二塩化エチレン、トリフルオロプロピルメチルジクロル
シランなどの重合体またはこれらの共重合体あるいは塩
化ビニルとの共重合体樹脂の粉体が適宜用いられるが、
特に四フッ化エチレン樹脂、フッ化ビニリデン樹脂が好
ましい。That is, the present invention provides an electrophotographic photoreceptor having a photosensitive layer on a conductive substrate, in which at least the layer furthest from the substrate is formed using a dispersion containing at least a fluorine-containing resin powder and a fluorine-containing organic solvent. The fluorine-containing resin powder used in the present invention includes tetrafluoroethylene, trifluorochloroethylene, and hexafluoroethylene. Polymers such as ethylene propylene, vinyl fluoride, vinylidene fluoride, ethylene difluoride dichloride, trifluoropropylmethyldichlorosilane, or their copolymers or copolymer resin powders with vinyl chloride are used as appropriate. However,
Particularly preferred are tetrafluoroethylene resin and vinylidene fluoride resin.
樹脂の分子量や粉体の粒度は適宜選択することができる
。The molecular weight of the resin and the particle size of the powder can be selected as appropriate.
また本発明においては更に分散効果を増すために分散助
剤として各種界面活性剤、カップリング剤、シリコンオ
イル、レベリング剤などの添加剤を少量添加することも
有効である。Furthermore, in the present invention, it is also effective to add small amounts of additives such as various surfactants, coupling agents, silicone oils, and leveling agents as dispersion aids in order to further increase the dispersion effect.
この場合添加剤単体で電子写真特性に影響を及ぼすもの
であっても、含フッ素有機溶剤と併用することにより、
その添加量を極＜微量におさえることができ、電子写真
特性への影響は実用上問題のない程度にすることができ
る。In this case, even if the additive itself affects the electrophotographic properties, by using it together with the fluorine-containing organic solvent,
The amount added can be kept to an extremely small amount, and the influence on electrophotographic properties can be kept to a level that causes no practical problems.
本発明に使用する含フッ素有機溶剤としてはペンシトリ
フルオライド、ベンゾイルフルオライド、ベンジルフル
オライド、ｎ−ブチルトリフルオロアセテート、Ｐ−ク
ロロベンシトリフルオライド、１．３−ジ（トリフルオ
ロメチル）ベンゼン、３，５−ジ（トリフルオロメチル
）ベンゾナイトライド、フルオロベンゼン、Ｐ−フルオ
ロトルエン、ヘキサフルオロベンゼンなどが挙げられ、
また、これらを他の有機溶剤、例えばモノクロルベンゼ
ン、ジクロルメタン、２−ブタノン、ジオキサン、トル
エン、キシレン、テトラヒドロフランなどの樹脂溶解性
のある溶剤と混合して用いてもよい。Examples of the fluorine-containing organic solvent used in the present invention include pensitrifluoride, benzoyl fluoride, benzyl fluoride, n-butyl trifluoroacetate, P-chlorobensitrifluoride, 1,3-di(trifluoromethyl)benzene, , 5-di(trifluoromethyl)benzonitride, fluorobenzene, P-fluorotoluene, hexafluorobenzene, etc.
Further, these may be used in combination with other organic solvents, such as monochlorobenzene, dichloromethane, 2-butanone, dioxane, toluene, xylene, tetrahydrofuran, and other resin-soluble solvents.
上記溶剤を用いて含フッ素樹脂粉体をバインダー中に分
散した場合、含フッ素樹脂粉体の分散性、分散安定性が
向上し、また塗膜形成時の含フッ素樹脂粉体の凝集が防
止されるために極めて均一で平滑な含フッ素樹脂分散層
が形成される。When the fluororesin powder is dispersed in the binder using the above solvent, the dispersibility and dispersion stability of the fluororesin powder are improved, and agglomeration of the fluororesin powder is prevented during coating film formation. As a result, an extremely uniform and smooth fluororesin dispersion layer is formed.
分散される含フッ素樹脂粉体の含有量は導電性基体から
最も離隔する層に含まれる全固形分の重量に基いて重量
分率で１〜５０％特に５〜４０％が適当である。The content of the dispersed fluorine-containing resin powder is suitably 1 to 50%, particularly 5 to 40% by weight, based on the weight of the total solid content contained in the layer furthest from the conductive substrate.
分散に用いるバインダー樹脂は成膜性のある高分子であ
ればよいが、単独でもある程度の硬さを有すること、キ
ャリア輸送を妨害しないことなどの点からポリメタクリ
ル酸エステル、ポリカーボネート、ボリアリレート、ポ
リエステル、ポリサルホンなどが好ましい。The binder resin used for dispersion may be any polymer with film-forming properties, but polymethacrylate, polycarbonate, polyarylate, and polyester are recommended because they have a certain degree of hardness even when used alone and do not interfere with carrier transport. , polysulfone, etc. are preferred.
本発明の電子写真感光体を製造する場合、基体としては
、アルミニウム、ステンレスなどの金属、紙、プラスチ
ックなどの円筒状のシリンダーまたはフィルムが用いら
れる。これらの基体の上にはバリアー機能と下引機能を
有する下引層（接着層）を設けることができる。When manufacturing the electrophotographic photoreceptor of the present invention, a cylindrical cylinder or film made of metal such as aluminum or stainless steel, paper, or plastic is used as the substrate. A subbing layer (adhesive layer) having a barrier function and a subbing function can be provided on these substrates.
下引層は感光層の接着性改良、塗工性改良、基体の保護
、基体上の欠陥の被覆、基体からの電荷注入性改良、感
光層の電気的破壊に対する保護などのために形成される
。下引層の材料としてはポリビニルアルコール、ポリ−
Ｎ−ビニルイミダゾール、ポリエチレンオキシド、エチ
ルセルロース、メチルセルロース、エチレン−アクリル
酸コポリマー、カゼイン、ポリアミド、共重合ナイロン
、ニカワ、ゼラチンなどが知られている。The undercoat layer is formed to improve adhesion of the photosensitive layer, improve coating properties, protect the substrate, cover defects on the substrate, improve charge injection from the substrate, protect the photosensitive layer from electrical breakdown, etc. . Materials for the undercoat layer include polyvinyl alcohol and polyvinyl alcohol.
N-vinylimidazole, polyethylene oxide, ethyl cellulose, methyl cellulose, ethylene-acrylic acid copolymer, casein, polyamide, copolymerized nylon, glue, gelatin, and the like are known.
これらはそれぞれに適した溶剤に溶解されて基体上に塗
布される。その膜厚は０．２〜２ｐ程度である。These are each dissolved in a suitable solvent and applied onto the substrate. The film thickness is about 0.2 to 2p.
電荷発生物質としてはピリリウム系染料、チオピリリウ
ム系染料、フタロシアニン系顔料、アントアントロン顔
料、ジベンズピレンキノン顔料、ビラントロン顔料、ト
リスアゾ顔料、ジスアゾ顔料、アゾ顔料、インジゴ顔料
、キナクリドン系顔料、非対称キノシアニン、キノシア
ニンなどを用いることができる。Charge-generating substances include pyrylium dyes, thiopyrylium dyes, phthalocyanine pigments, anthoanthrone pigments, dibenzpyrenequinone pigments, vilanthrone pigments, trisazo pigments, disazo pigments, azo pigments, indigo pigments, quinacridone pigments, asymmetric quinocyanine, and quinocyanine. etc. can be used.
電荷輸送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−９−二チルカルへ
ソール、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−メ壬１】チン−１０−工壬ＩＩ／ １−ノ
壬７パンン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−ジフェニルヒドラゾン、
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−ビロリジノベンズア
ルデヒドーＮ、Ｎ−ジフェニルヒドラゾン、１，３．３
−）リメチルインドレニンー〇−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−オギサジアゾール、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）コー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−メドキシービリジル（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／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
）ニー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）
−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２エニル）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−ジエチルアミンスチリル）
−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−ジエチルアミノフエこル）−４−（
ｐ−ジメ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
ベンズ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、ｌ 、 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
などのポリアリールアルカン類などを用いることができ
る。As charge transport substances, pyrene, N-ethylcarbazole, N-isopropylcarbazole, N-methyl-N-phenylhydrazino-3-methylidene-9-ditylcarhesol, N,N-diphenylhydrazino-3-methylidene-9 -Ethylcarbazole, N,N-diphenylhydrazino-3-methylidene-1]tin-10-technical II/1-no-mi7panN,N-diphenylhydrazino-3-methylidene-10-ditylphenoxazine , p-diethylaminobenzaldehyde-N,N-diphenylhydrazone,
p-diethylaminobenzaldehyde-N-α-naphthyl-N-phenylhydrazone, P-virolidinobenzaldehyde N, N-diphenylhydrazone, 1,3.3
-) Limethylindolenine-〇-aldehyde-N,N-
Hydrazones such as diphenylhydrazone, p-diethylbenzaldehyde-3-methylbenzthiazolinone-2-hydrazone, 2,5-bis(p-diethylaminophenyl)-1,3,4-ogisadiazole, 1-phenyl-3- (P-diethylaminostyryl)-5-(p-
diethylaminophenyl)pyrazoline, 1-[quinolyl(2)co-3-(p-diethylaminostyryl)-5-
(p-diethylaminophenyl)pyrazoline, 1-
[pyridyl(2)]-3-(p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[6-medoxybilidyl(2)]-3-(
p-diethylaminostyryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[pyridyl(3)]-
3-(p-diethylamino/styryl)-5-(p-diethylaminophenyl)pyrazoline, 1-[lepidyl (2
) nee 3-(p-diethylaminostyryl)-5-(p
-diethylaminophenyl)pyrazoline, 1-[pyridyl(2)]-3-(p-diethylaminostyryl)
-4-Methyl-5-(p-diethylaminophenyl)pyrazoline, 1-[pyridyl(2)] -3-(α-methyl-p-diethylaminostyryl)-5-(p-diethylamino 2enyl)pyrazoline, 1- Phenyl-3-(
p-diethylaminostyryl)-4-methyl-5-(p
-diethylaminophenyl)pyrazoline, 1-phenyl-3-(α-benzyl-P-diethylaminestyryl)
-5-(p-diethylaminophenyl)pyrazoline, spiropyrazoline and other pyrazolines, 2-(p-diethylaminostyryl)-6-dinithylaminobenzoxazole, 2-(p-diethylaminophecol)-4-(
Oxazole compounds such as p-dimethylaminophenyl)-5-(2-chlorophenyl)oxazole, 2-
Thiazole compounds such as (P-diethylaminostyryl)-6-dinithylaminobenzthiazole, bis(4
Triarylmethane compounds such as -diethylamino-2-methylphenyl)-phenylmethane, 1,1-bis(4-N,N-diethylamino-2-methylphenyl)
Hebutane, l, 1, 2, 2-tetrakis (4-
Polyarylalkanes such as N,N-dimethylamino-2-methylphenyl)ethane and the like can be used.
本発明の電子写真感光体の作成例を電荷発生層の上に電
荷輸送層と積層する機能分離過多の場合を例として説明
する。An example of producing an electrophotographic photoreceptor according to the present invention will be described by taking as an example a case in which a charge transport layer is laminated on a charge generation layer with excessive functional separation.
前記の電荷発生物質を０．３〜１０倍量の結着剤樹脂お
よび溶剤とともにホモジナイザー、超音波、ボールミル
、振動ボールミル、サンドミル、アトライター、ロール
ミルなどの方法でよく分散する。この分散液を前記下引
層を塗布した基体上に塗布、乾燥し０．１〜Ｉｇ程度の
塗膜を形成させる。The above charge generating material is well dispersed with a binder resin and a solvent in an amount of 0.3 to 10 times using a homogenizer, an ultrasonic wave, a ball mill, a vibrating ball mill, a sand mill, an attritor, a roll mill, or the like. This dispersion is applied onto the substrate coated with the undercoat layer and dried to form a coating film of about 0.1 to Ig.
電荷輸送層は前記の電荷輸送物質と結着剤樹脂を溶剤に
溶解し、含フッ素樹脂粉体を分散した後電荷発生層上に
塗布される。The charge transport layer is formed by dissolving the charge transport material and binder resin in a solvent, dispersing the fluororesin powder, and then coating the charge transport layer on the charge generation layer.
電荷輸送物質と結着剤樹脂との混合割合は２：１〜１：
２程度である。The mixing ratio of the charge transport material and the binder resin is 2:1 to 1:
It is about 2.
含フッ素樹脂粉体を分散する際には、前出の含フッ素有
機溶剤とバインダーを溶解する有機溶剤を適当な比率で
混合したものと共にホモジナイザー、ボールミル、サン
ドミル、アトライター、ロールミルなどの方法で分散を
行なえば容易に均一な分散液を得ることができる。When dispersing the fluorine-containing resin powder, use a method such as a homogenizer, ball mill, sand mill, attritor, or roll mill to disperse the fluorine-containing organic solvent and an organic solvent that dissolves the binder in an appropriate ratio. By doing so, a uniform dispersion can be easily obtained.
この溶液を塗布する際には、例えば浸漬コーティング法
、スプレーコーティング法、スピンナーコーチインク法
、ヒートコーチインク法、ブレードニーティング法、カ
ーテンコーティング法などのコーティング法を用いるこ
とができ、乾燥は１０〜２００°Ｃ１好ましくは２０〜
１５０°Ｃの範囲小ぜ目印 １５ 本 〜 へ １−
口ｊｌ ｈ７寸 １． ／ Ｉ斗 １ ｎ
袋 〜 ９ 曲間の時間で送風乾燥または静止乾燥下で
行なうことができる。形成した感光層の膜厚は５〜３０
ル程度である。When applying this solution, a coating method such as a dip coating method, a spray coating method, a spinner coach ink method, a heat coach ink method, a blade kneading method, or a curtain coating method can be used. 200°C1 preferably 20~
150°C range small mark 15 to 1-
Mouth jl h7 size 1. / Ito 1 n
It can be carried out under air blow drying or stationary drying in the time between bags to 9 songs. The thickness of the formed photosensitive layer is 5 to 30
It is about 1000 yen.
［実施例コ
実施例１
直径８０ｍｍφ、長さ３２０ｍｍのアルミシリンダー基
体上にポリアミド樹脂（商品名アミランＣＭ−８０００
、東し株制）５％メタノール溶液を浸漬法で塗布し、１
膜厚の下引層を設けた。[Example Example 1 Polyamide resin (trade name Amiran CM-8000
, Toshi stock system) Apply 5% methanol solution by dipping method,
A thick subbing layer was provided.
次に下記構造式のジスアゾ顔料を１０部（重量部、以下
同様）、
ポリビニルブチラール（商品名ＢＸＬ、ｆｆｌ水化学株
製）水化学株主びシクロへキサノン５０部を１ｍｍφガ
ラスピーズを用いたサンドミルで２０時間分散した。こ
の分散液にメチルエチルケトン７０〜１２０（適宜）部
を加えて下引層上に塗布し次にポリメチルメタクリレー
ト１０部、含フッ素樹脂粉体としてポリ四フッ化エチレ
ン粉体（商品名ルブロンＬ−２、ダイキン鱈製）５部を
モノクロルベンゼン４０部、ＴＨＦ１５部と共にステン
レス製ボールミルで５０時間分散し、得られた分散液に
、電荷輸送物質のｐ−ジエチルアミノベンズアルデヒド
−Ｎ−β−・ナフチル−Ｎ−フェニルヒドラゾン１０部
を溶解した。Next, 10 parts (parts by weight, same hereinafter) of a disazo pigment having the following structural formula, polyvinyl butyral (trade name BXL, manufactured by FFL Suikagaku Co., Ltd.), and 50 parts of cyclohexanone were mixed in a sand mill using 1 mm diameter glass beads. It was dispersed for 20 hours. 70 to 120 (appropriate) parts of methyl ethyl ketone were added to this dispersion and applied onto the undercoat layer, followed by 10 parts of polymethyl methacrylate and polytetrafluoroethylene powder (trade name: Lubron L-2) as a fluororesin powder. , manufactured by Daikin Cod) was dispersed for 50 hours in a stainless steel ball mill with 40 parts of monochlorobenzene and 15 parts of THF, and the charge transport substance p-diethylaminobenzaldehyde-N-β-/naphthyl-N- was added to the resulting dispersion. 10 parts of phenylhydrazone was dissolved.
この溶液を上記電荷発生層上に塗布し、１００°Ｃ１１
時間熱風乾燥して１８μ厚の電荷輸送層を形成した。こ
れを試料１とする。This solution was applied onto the charge generation layer and heated to 11°C at 100°C.
A charge transport layer having a thickness of 18 μm was formed by drying with hot air for a period of time. This is designated as sample 1.
次に電荷発生層までを試料１と同様に塗布したドラムを
用意し、このドラム上にポリメチルメタクリレート１０
部、ポリ四フッ化エチレン粉体５部をモノクロルベンゼ
ン４０部、ペンシトリフルオライド１５部と共にステン
レス製ボールミルで５０時間分散し、この分散液に試料
１と同じ電荷輸送物質を加え、この溶液を浸ｍ塗布し１
００℃で１時間熱風乾燥して試料１と同様に１８−厚の
電荷輸送層を形成した。これを試料２とする。Next, prepare a drum coated with the same coating as sample 1 up to the charge generation layer, and apply polymethyl methacrylate 10 on this drum.
5 parts of polytetrafluoroethylene powder was dispersed in a stainless steel ball mill for 50 hours with 40 parts of monochlorobenzene and 15 parts of pencitrifluoride, the same charge transport substance as in sample 1 was added to this dispersion, and the solution was immersed. m applied 1
The sample was dried with hot air at 00° C. for 1 hour to form a charge transport layer having a thickness of 18 mm in the same manner as Sample 1. This is designated as sample 2.
試料１および２に対し、−５，５ＫＶ、コロナ帯電、画
像露光、乾式トナー現像、普通紙へのトナー転写、ウレ
タンゴムブレードによるクリーニングからなる電子写真
プロセスにて３万枚の画像出し、通紙を行ない耐久性評
価を行なった。Samples 1 and 2 were imaged on 30,000 sheets using an electrophotographic process consisting of -5.5KV, corona charging, image exposure, dry toner development, toner transfer to plain paper, and cleaning with a urethane rubber blade, and the paper was passed through. We conducted a durability evaluation.
但し、試料ｌに関しては表面層でのポリ四フッ化エチレ
ン粉体の凝集がはなはだしく画像評価を行なえない状態
であった。結果を示す。However, regarding Sample 1, the agglomeration of polytetrafluoroethylene powder in the surface layer was so severe that image evaluation could not be performed. Show the results.
初 期 ２３℃、５５％ＲＨで耐久試料１
画像のムラ大 □
評価不可能
試料２ 良好 ３万枚まで均一、高品位で安
定した画像
３２．５℃、８０％ＲＨで耐久
試料１ □
試料２ ３万枚まで均一、高品位
で安定した画像
実施例２
実施例１においてポリ四フッ化エチレン粉体に代え、ポ
リフッ化ビニリデン粉体を１０部、含フッ素有機溶剤ペ
ンシトリフルオライドに代え、ｐ−フルオロトルエンを
用いて同様の評価を行なったところ、実施例１と同様の
結果が得られた。Initial durability sample 1 at 23℃ and 55%RH
Large image unevenness □ Unevaluable Sample 2 Good Uniform, high quality, stable image up to 30,000 sheets Durable at 32.5℃, 80% RH Sample 1 □ Sample 2 Uniform, high quality, stable image up to 30,000 sheets Example 2 Similar evaluations were conducted in Example 1 using 10 parts of polyvinylidene fluoride powder instead of polytetrafluoroethylene powder, and p-fluorotoluene instead of the fluorine-containing organic solvent pensitrifluoride. , the same results as in Example 1 were obtained.
実施例３
直径８０ｍｍφ、長さ３２０ｍｍのアルミニウム基体上
にポリアミド樹脂（前出と同じ）の５％メタノール溶液
を浸漬法で塗布し、ｌＪＬ厚の下引層を設けた。Example 3 A 5% methanol solution of polyamide resin (same as above) was applied by dipping onto an aluminum substrate having a diameter of 80 mmφ and a length of 320 mm to form a subbing layer with a thickness of 1JL.
次に、１−［ピリジル（２）］−３−（ｐ−ジメチルア
ミノスチリル）−５−（ｐ−ジメチルアミノフェニル）
ピラゾリンを１２部とビスフェノールＡ型ポリカーボネ
ート（商品名ニーピロンＳ−２００、三菱ガス化学■製
）１０部をジオキサンとジクロルメタンの混合溶剤に溶
解した。Next, 1-[pyridyl(2)]-3-(p-dimethylaminostyryl)-5-(p-dimethylaminophenyl)
12 parts of pyrazoline and 10 parts of bisphenol A type polycarbonate (trade name: Nipilon S-200, manufactured by Mitsubishi Gas Chemical) were dissolved in a mixed solvent of dioxane and dichloromethane.
この液を上記下引層上に浸漬塗布し、１００°Ｃで１時
間熱風乾爆し、１フル厚の電荷輸送層を形成した。This solution was dip-coated onto the above-mentioned undercoat layer and subjected to hot air drying at 100° C. for 1 hour to form a 1-full-thick charge transport layer.
次に実施例１で使用したジスアゾ顔料１０部およびポリ
四フッ化エチレン粉体５部をビスフェノールＺ型ポリカ
ーボネート（三菱ガス化学株間）のモノクロールベンゼ
ン／ヘキサフルオロベンゼン（混合比率７：３）の混合
溶液１００部（重量濃度１．５％）中に添加し、ステン
レス製ボールミルにて５０時間分散した。Next, 10 parts of the disazo pigment and 5 parts of polytetrafluoroethylene powder used in Example 1 were mixed with monochlorobenzene/hexafluorobenzene (mixing ratio 7:3) of bisphenol Z type polycarbonate (Mitsubishi Gas Chemical Co., Ltd.). It was added to 100 parts of solution (weight concentration 1.5%) and dispersed in a stainless steel ball mill for 50 hours.
この溶液を電荷輸送層上に突き上げ塗布し、１００℃で
２０分間乾燥して３終部の電荷発生層を形成した。これ
を試料３とする。This solution was applied onto the charge transport layer and dried at 100° C. for 20 minutes to form a three-terminal charge generation layer. This is designated as sample 3.
比較のためポリ四フッ化エチレン粉体を添加しない試料
を上記と同様にして作成した。これを試＃４４とする。For comparison, a sample without the addition of polytetrafluoroethylene powder was prepared in the same manner as above. This will be referred to as trial #44.
上記試料３および４に対して、＋５．６ＫＶのコロナ帯
電、画像露光、乾式トナー現像、普通紙へのトナー転写
、ウレタンゴムブレードによるクリーニング工程などを
有する電子写真複写機に取り付けて１万枚の通紙耐久性
評価を行なった。Samples 3 and 4 were attached to an electrophotographic copying machine that has +5.6KV corona charging, image exposure, dry toner development, toner transfer to plain paper, and cleaning process using a urethane rubber blade, and produced 10,000 copies. Paper passing durability evaluation was performed.
結果を示す。Show the results.
２３℃、５５％ＲＨ環境で耐久
試料３１万枚まで均一高品位で安定な画像試料４２千枚
で摺擦傷発生
３２．５℃、９０９６ＲＨ環境で耐久
試料３１万枚まで高品位で安定な画像
試料４１千３百枚でトナー融着
実施例４
実施例３においてポリ四２ツ化エチレンに代え三フッ化
塩化エチレン樹脂粉体１０部、モノクロルベンゼン／ヘ
キサフルオロベンゼン７：３の混合溶剤に代え、テトラ
ヒドロフラン／１，３−ジ（トリフルオロメチル）ベン
ゼン７：３の混合溶剤を用いて実施例３と同様の評価を
行なったところ、同様の結果を得た。Uniform, high-quality, and stable images of up to 310,000 durable samples in an environment of 23°C and 55% RH Abrasion scratches occurred on 42,000 samples High-quality, stable image samples of up to 310,000 durable samples in an environment of 32.5°C and 9096RH Toner fusion with 41,300 sheets Example 4 In Example 3, 10 parts of trifluorochlorinated ethylene resin powder was used instead of polytetratylene, and a mixed solvent of monochlorobenzene/hexafluorobenzene 7:3 was used instead. When the same evaluation as in Example 3 was conducted using a mixed solvent of tetrahydrofuran/1,3-di(trifluoromethyl)benzene (7:3), similar results were obtained.
実施例５
８０φＸ ３００ ｍ ｍのアルミシリンダーを基体と
し、これにポリアミド樹脂（前出と同じ）の５％メタノ
ール溶液を浸漬法で塗布し、１μ厚の下引層を設けた。Example 5 An 80φ x 300 mm aluminum cylinder was used as a base, and a 5% methanol solution of polyamide resin (same as above) was applied by dipping to provide a 1 μ thick subbing layer.
次に、この上に実施例１と同様の電荷発生層を０．１５
ＪＬ厚に塗布した。Next, on top of this, a charge generation layer similar to that in Example 1 was applied at a density of 0.15%.
Coated to JL thickness.
更にこの上に、ビスフェノールＡ型ポリカーボネート１
０部をジオキサンとジクロルメタン混合溶剤６０部に溶
解し、更に実施例１で用いた電荷輸送物質を１０部溶解
した溶液を浸漬塗布により１８ル厚に塗布し、１００℃
で１時間乾燥して電荷輸送層とした。Furthermore, on top of this, bisphenol A type polycarbonate 1
0 part dissolved in 60 parts of a mixed solvent of dioxane and dichloromethane, and further dissolved in 10 parts of the charge transport substance used in Example 1, was coated to a thickness of 18 μm by dip coating, and heated at 100°C.
The mixture was dried for 1 hour to form a charge transport layer.
上記の試料を２本作成し、このうち１本には、更にビス
フェノルＺ型ポリカーボネート２部をジクロルメタン／
ベンジルフルオライドの３：ｌの混合溶剤３０部に溶解
し、これにポリ四フッ化エチレン粉体を１部添加してス
テンレス製ボールミルで５０時間分散した液を塗布して
１弘厚の保護層を設けた。これを試料５とする。Two of the above samples were prepared, and one of them was further mixed with 2 parts of bisphenol Z-type polycarbonate in dichloromethane/
Benzyl fluoride was dissolved in 30 parts of a 3:l mixed solvent, 1 part of polytetrafluoroethylene powder was added thereto, and the solution was dispersed in a stainless steel ball mill for 50 hours, and the solution was coated to form a protective layer of 1 hiro thick. has been established. This is designated as sample 5.
残りの１本を試料６とする。The remaining one is designated as sample 6.
この試料５．６に対して−５，５ＫＶのコロナ帯電、画
像露光、乾式トナー現像、普通紙へのトナー転写、ウレ
タンゴムブレードによるクリーニングからなる電子写真
プロセスにて３万枚の画像出し通紙耐久評価を行なった
。結果を示す６２３℃、５５％ＲＨ環境の耐久は、試料
５は、３万枚まで均一、高品位で安定な画像、試料６は
１万枚で摺擦傷出現、２万枚で表面にトナー融着を生じ
た。This sample 5.6 was subjected to an electrophotographic process consisting of -5.5 KV corona charging, image exposure, dry toner development, toner transfer to plain paper, and cleaning with a urethane rubber blade, and 30,000 images were passed through the paper. Durability evaluation was conducted. The results show durability in a 623°C, 55% RH environment. Sample 5 provides uniform, high-quality, stable images up to 30,000 sheets, while sample 6 shows scratches after 10,000 sheets, and toner melts on the surface after 20,000 sheets. It caused damage.
３２．５’Ｃ１９０％ＲＨ環境の耐久は、試料５は３万
枚まで高品位で均一安定な画像、試料６は７千枚で画像
ボケと流れが生じた。As for durability in a 32.5'C 190% RH environment, Sample 5 produced high quality, uniform and stable images up to 30,000 copies, while Sample 6 had image blurring and blurring after 7,000 copies.
実施例６
実施例５におけるビスフェノール２型ポリカーボネート
に代え、スチレン−アクリル共重合体（商品名ＭＳ−２
００）、ジクロルメタン／ベンジルフルオライド３：１
の混合溶剤に代え、２−ブタノン／フルオロベンゼン７
：３の混合溶剤を用いて、作成した試料について同様な
評価を行なったところ、実施例５と同様の良好な結果が
得られた。Example 6 In place of bisphenol 2 type polycarbonate in Example 5, styrene-acrylic copolymer (trade name MS-2) was used.
00), dichloromethane/benzyl fluoride 3:1
2-butanone/fluorobenzene7 instead of the mixed solvent of
When a similar evaluation was performed on a sample prepared using a mixed solvent of :3, the same good results as in Example 5 were obtained.
実施例７
８０φＸ３００ｍｍのアルミシリンダーを基体とし、こ
れにポリアミド樹脂（前出と同じ）の５％メタノール溶
液を浸漬法で塗布し、１角厚の下引層を設けた。Example 7 An 80φ x 300mm aluminum cylinder was used as a base, and a 5% methanol solution of polyamide resin (same as above) was applied by dipping to provide a 1 square thick subbing layer.
次にアルミニウムクロライドフタロシアニンを１部、ビ
スフェノールＺ型ポリカーボネート１０部ヲ、モノクロ
ルベンゼン４５部、ヘキサフルオロベンゼン１５部の溶
剤に加えて得た液に、ポリ四フッ化エチレン粉体４部を
加え、ステンレス製ボールミルで５０時間分散し、更に
、Ｐ−ジエチルアミノベンズアルデヒド−Ｎ−β−ナフ
チル−Ｎ−フェニルヒドラゾン６部を溶解した。Next, 4 parts of polytetrafluoroethylene powder was added to a solution obtained by adding 1 part of aluminum chloride phthalocyanine, 10 parts of bisphenol Z type polycarbonate, 45 parts of monochlorobenzene, and 15 parts of hexafluorobenzene, and The mixture was dispersed for 50 hours using a manufactured ball mill, and 6 parts of P-diethylaminobenzaldehyde-N-β-naphthyl-N-phenylhydrazone was further dissolved therein.
このようにして調製した分散液を上記下引層上に引き上
げ塗布し、１５ル厚の感光層を設けた。The thus prepared dispersion was applied onto the undercoat layer to form a photosensitive layer having a thickness of 15 μm.
この感光体を試料７とする。This photoreceptor will be referred to as Sample 7.
次に、試料７と同様な作成方法で、溶剤のみをモノクロ
ルベンゼン４５部、ジクロルメタン１５部の混合溶剤系
に代えて作成した感光体を試料８とし、また試料７にお
いて、ポリ四フッ化エチレン粉体を使用しないで作成し
た感光体を試料９とする。Next, Sample 8 was a photoreceptor prepared using the same method as Sample 7, except that the solvent was replaced with a mixed solvent system of 45 parts of monochlorobenzene and 15 parts of dichloromethane. Sample 9 is a photoreceptor prepared without using a photoreceptor.
試料７．８および９の感光体を、＋５ 、６ＫＶコロナ
帯電１画像露光、乾式トナー現像、普通紙”−（７）
転写、ウレタンゴムブレードによるクリーニング工程を
有する電子写真複写機に取り付けて、２３°Ｃ１５５％
ＲＨ環境にて１万枚の耐久試験を行なった。但し、試料
８に関しては、感光層中のポリ四フッ化エチレン粉体の
凝集による塗膜の不均一を生じ、画像の評価を行なえな
い状態であった。Samples 7.8 and 9 photoreceptors were exposed to +5, 6 KV corona charge, one image exposure, dry toner development, plain paper"-(7)
Attached to an electrophotographic copying machine that has a transfer and cleaning process using a urethane rubber blade, and heated at 23°C 155%.
A durability test of 10,000 sheets was conducted in an RH environment. However, regarding Sample 8, the coating film became non-uniform due to aggregation of the polytetrafluoroethylene powder in the photosensitive layer, and the image could not be evaluated.
評価の結果は、試料７は１万枚まで均一で安定な画像、
試料８は評価不可能、試料９は３千枚でトナーの表面へ
の融着による画像欠陥を生じ、７千枚で画像のボケを生
じた。The evaluation results showed that sample 7 produced uniform and stable images up to 10,000 sheets;
Sample 8 could not be evaluated, Sample 9 had image defects due to toner adhesion to the surface after 3,000 sheets, and blurred images after 7,000 sheets.
［発明の効果コ
本発明は、前記の評価からも知られるように、含フッ素
樹脂粉体の分散安定性を向上させ、電子写真特性の劣化
に対して顕著な効果を奏するものである。[Effects of the Invention] As is known from the above evaluation, the present invention improves the dispersion stability of fluororesin powder and has a remarkable effect on deterioration of electrophotographic characteristics.
Claims (6)
おいて、少なくとも基体より最も離隔する層が、少なく
とも含フッ素樹脂粉体と含フッ素有機溶剤を含有する分
散液を使用して形成されたものであることを特徴とする
電子写真感光体。(1) In an electrophotographic photoreceptor having a photosensitive layer on a conductive substrate, at least the layer furthest from the substrate is formed using a dispersion containing at least a fluorine-containing resin powder and a fluorine-containing organic solvent. An electrophotographic photoreceptor characterized in that:
フッ化エチレン、三フッ化塩化エチレン、六フッ化エチ
レンプロピレン、フッ化ビニル、フッ化ビニリデン、二
フッ化二塩化エチレンの重合体および四フッ化エチレン
と六フッ化プロピレンの共重合体樹脂粉体の含フッ素樹
脂粉体とベンソトリフルオライド、ベンジルフルオライ
ド、ｎ−ブチルトリフルオロアセテート、ｐ−クロロベ
ンゾトリフルオライド、１，３−ジ（トリフルオロメチ
ル）ベンゼン、３，５−ジ（トリフルオロメチル）ベン
ゾナイトライド、フルオロベンゼン、ｐ−フルオロトル
エン、ヘキサフルオロベンゼンの含フッ素有機溶剤のそ
れぞれ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。(2) The fluorine-containing resin powder and the fluorine-containing organic solvent are polymers of ethylene tetrafluoride, ethylene trifluoride chloride, ethylene hexafluoride propylene, vinyl fluoride, vinylidene fluoride, and ethylene difluoride dichloride. and fluororesin powder of copolymer resin powder of tetrafluoroethylene and hexafluoropropylene, bensotrifluoride, benzyl fluoride, n-butyl trifluoroacetate, p-chlorobenzotrifluoride, 1,3 -Claims selected from each of the following fluorine-containing organic solvents: di(trifluoromethyl)benzene, 3,5-di(trifluoromethyl)benzonitride, fluorobenzene, p-fluorotoluene, and hexafluorobenzene. The electrophotographic photoreceptor according to item 1.
ら最も離隔する層に含まれる全固形分の重量に基いて重
量分率で１〜５０％である特許請求の範囲第１項記載の
電子写真感光体。(3) The content of the fluororesin powder is 1 to 50% by weight based on the weight of the total solids contained in the layer furthest from the conductive substrate. The electrophotographic photoreceptor described above.
造をしている特許請求の範囲第１項記載の電子写真感光
体。(4) The electrophotographic photoreceptor according to claim 1, wherein the photosensitive layer has a laminated structure of a charge generation layer and a charge transport layer.
なる特許請求の範囲第１項記載の電子写真感光体。(5) The electrophotographic photoreceptor according to claim 1, wherein the photosensitive layer is a single layer containing a charge generating substance.
である特許請求の範囲第１項記載の電子写真感光体。(6) The electrophotographic photoreceptor according to claim 1, wherein the surface resin layer in which fluorine-containing resin powder is dispersed is a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21703886A JPH0719073B2 (en) | 1986-09-17 | 1986-09-17 | Electrophotographic photoreceptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21703886A JPH0719073B2 (en) | 1986-09-17 | 1986-09-17 | Electrophotographic photoreceptor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6373267A true JPS6373267A (en) | 1988-04-02 |
| JPH0719073B2 JPH0719073B2 (en) | 1995-03-06 |
Family
ID=16697865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21703886A Expired - Fee Related JPH0719073B2 (en) | 1986-09-17 | 1986-09-17 | Electrophotographic photoreceptor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0719073B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412365A (en) * | 1990-05-01 | 1992-01-16 | Canon Inc | Electrophotographic sensitive body |
| EP0578094A2 (en) * | 1992-06-29 | 1994-01-12 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same |
| US7556903B2 (en) | 2003-09-19 | 2009-07-07 | Ricoh Company Limited | Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptor |
| US9696642B2 (en) | 2015-12-08 | 2017-07-04 | S-Printing Solution Co., Ltd. | Electrophotographic photoreceptor and electrophotographic imaging apparatus employing the same |
| US10261430B2 (en) | 2016-01-14 | 2019-04-16 | Samsung Electronics Co., Ltd. | Photoreceptor for electrophotography and image forming apparatus employing the same |
| JP2020095236A (en) * | 2018-11-30 | 2020-06-18 | 株式会社リコー | Electrophotographic photoreceptor, image forming apparatus, method for manufacturing electrophotographic photoreceptor, liquid for coating, and coating |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9651878B2 (en) | 2014-12-26 | 2017-05-16 | Samsung Electronics Co., Ltd. | Organic photoconductor and electrophotographic apparatus and process cartridge including the organic photo conductor |
-
1986
- 1986-09-17 JP JP21703886A patent/JPH0719073B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412365A (en) * | 1990-05-01 | 1992-01-16 | Canon Inc | Electrophotographic sensitive body |
| EP0578094A2 (en) * | 1992-06-29 | 1994-01-12 | Canon Kabushiki Kaisha | Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same |
| EP0578094A3 (en) * | 1992-06-29 | 1994-12-14 | Canon Kk | Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same. |
| US7556903B2 (en) | 2003-09-19 | 2009-07-07 | Ricoh Company Limited | Electrophotographic photoreceptor, and image forming method, apparatus and process cartridge therefor using the photoreceptor |
| US9696642B2 (en) | 2015-12-08 | 2017-07-04 | S-Printing Solution Co., Ltd. | Electrophotographic photoreceptor and electrophotographic imaging apparatus employing the same |
| US10261430B2 (en) | 2016-01-14 | 2019-04-16 | Samsung Electronics Co., Ltd. | Photoreceptor for electrophotography and image forming apparatus employing the same |
| JP2020095236A (en) * | 2018-11-30 | 2020-06-18 | 株式会社リコー | Electrophotographic photoreceptor, image forming apparatus, method for manufacturing electrophotographic photoreceptor, liquid for coating, and coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0719073B2 (en) | 1995-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |