CN108363276A - Electrophtography photosensor, handle box and image forming apparatus - Google Patents
Electrophtography photosensor, handle box and image forming apparatus Download PDFInfo
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- CN108363276A CN108363276A CN201711416856.7A CN201711416856A CN108363276A CN 108363276 A CN108363276 A CN 108363276A CN 201711416856 A CN201711416856 A CN 201711416856A CN 108363276 A CN108363276 A CN 108363276A
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- 239000004902 Softening Agent Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QLNFINLXAKOTJB-UHFFFAOYSA-N [As].[Se] Chemical compound [As].[Se] QLNFINLXAKOTJB-UHFFFAOYSA-N 0.000 description 1
- YSGZPEILUZVKDO-UHFFFAOYSA-N [F].C1(=CC=CC=C1)N(C1=CC=CC=C1)C1=CC=CC=C1 Chemical group [F].C1(=CC=CC=C1)N(C1=CC=CC=C1)C1=CC=CC=C1 YSGZPEILUZVKDO-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 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 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- UUZYBYIOAZTMGC-UHFFFAOYSA-M benzyl(trimethyl)azanium;bromide Chemical compound [Br-].C[N+](C)(C)CC1=CC=CC=C1 UUZYBYIOAZTMGC-UHFFFAOYSA-M 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical class ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical class N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000019443 glyceryl diacetate Nutrition 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 150000002460 imidazoles Chemical class 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
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000002346 iodo group Chemical group I* 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- CUONGYYJJVDODC-UHFFFAOYSA-N malononitrile Chemical class N#CCC#N CUONGYYJJVDODC-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 150000004986 phenylenediamines Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- DNXIASIHZYFFRO-UHFFFAOYSA-N pyrazoline Chemical compound C1CN=NC1 DNXIASIHZYFFRO-UHFFFAOYSA-N 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- RQGPLDBZHMVWCH-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole Chemical compound C1=NC2=CC=NC2=C1 RQGPLDBZHMVWCH-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- XIUROWKZWPIAIB-UHFFFAOYSA-N sulfotep Chemical compound CCOP(=S)(OCC)OP(=S)(OCC)OCC XIUROWKZWPIAIB-UHFFFAOYSA-N 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003512 tertiary amines Chemical class 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
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 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
- 239000004408 titanium dioxide Substances 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000001291 vacuum drying 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
- 238000005406 washing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
-
- 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
- G03G5/0696—Phthalocyanines
-
- 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
Abstract
The present invention provides Electrophtography photosensor, handle box and image forming apparatus.Electrophtography photosensor has conductive base and photosensitive layer.Photosensitive layer is single-layer type photosensitive layer.Photosensitive layer contains charge producing agent, cavity conveying agent, electron transporting agent and binding resin.Cavity conveying agent contains triphenylamine derivative.Triphenylamine derivative is indicated by general formula (HT).Binding resin contains polyarylate resin.Polyarylate resin is indicated by general formula (1).In general formula (1), Q1~Q4, r, s, t, u, X and Y respectively with Q described in the specification1~Q4, r, s, t, u, X it is identical with Y meanings.R in general formula (HT)1~R3, k, p, q, m1 and m2 respectively with R described in the specification1~R3, k, p, q, m1 it is identical with m2 meanings.【Change 1】【Change 2】
Description
Technical field
The present invention relates to Electrophtography photosensor, handle box and image forming apparatuses.
Background technology
Electrophtography photosensor as supporting body be used in electrofax mode image forming apparatus (for example, printer
Or all-in-one multifunctional machine) in.Electrophtography photosensor has photosensitive layer.For example, being made using mono-layer electronic photographic photoreceptor
For Electrophtography photosensor.Mono-layer electronic photographic photoreceptor has photosensitive layer, and photosensitive layer has the function of charge generation and charge
Transfer function.Photosensitive layer in laminated electronic electrophotographic photoconductor has charge generation layer and charge transport layer, charge generation layer
Have the function of that charge generation, charge transport layer have charge transfer function.
In patent document 1, the polyarylate resin with repetitive unit shown in chemical formula (Resin-G) is described.In addition, note
The Electrophtography photosensor containing above-mentioned polyarylate resin is carried.
【Change 1】
(patent document)
Patent document 1：Japanese Unexamined Patent Publication 5-297601 bulletins
Invention content
However, in technology described in patent document 1, the generation that cannot fully inhibit transfer to remember.
The present invention makes in view of the above subject, and its purpose is to provide a kind of electronics for inhibiting transfer memory to occur
Electrophotographic photoconductor.The other of the present invention are designed to provide the handle box and image forming apparatus for inhibiting image failure to occur.
The Electrophtography photosensor of the present invention has conductive base and photosensitive layer.The photosensitive layer is that single-layer type is photosensitive
Layer.The photosensitive layer contains charge producing agent, cavity conveying agent, electron transporting agent and binding resin.The cavity conveying agent contains
There is triphenylamine derivative.The triphenylamine derivative is indicated by general formula (HT).The binding resin contains polyarylate resin.It is described
Polyarylate resin is indicated by general formula (1).
【Change 2】
In the general formula (1), Q1、Q2、Q3And Q4It is respectively independent, indicate hydrogen atom or methyl.R and s indicates 0 or more 49
Integer below.T and u indicates 1 or more 50 integer below.R+s+t+u=100.R+t=s+u.R and t each other can it is identical or
It is different.S and u each other can be identical or different.X be by chemical formula (2A), chemical formula (2B), chemical formula (2C), chemical formula (2D),
The bilvalent radical that chemical formula (2E) or chemical formula (2F) indicate.Y is by chemical formula (4A), chemical formula (4B), chemical formula (4C), changes
The bilvalent radical that formula (4D) or chemical formula (4E) indicate.X and Y are different from each other.
【Change 3】
【Change 4】
In general formula (HT), R1、R2And R3It is respectively independent, it indicates to select from the group that C1-C4 alkoxies and C1-C4 alkyl are constituted
The base selected.K, p and q is respectively independent, indicates 0 or more 5 integer below.M1 and m2 is respectively independent, indicates that 1 or more 3 is below whole
Number.In the case where k indicates 2 or more integer, several R1It each other can be identical or different.The case where p indicates 2 or more integer
Under, several R2It each other can be identical or different.In the case where q indicates 2 or more integer, several R3Each other can it is identical or
It is different.
The handle box of the present invention has above-mentioned Electrophtography photosensor.
The image forming apparatus of the present invention has as supporting body, electro-mechanical part, exposure portion, development section and transfer section.The band
Electric portion makes the surface as supporting body charge.The exposure portion exposes the surface as supporting body charged
Light forms electrostatic latent image on the surface as supporting body.The latent electrostatic image developing is toning by the development section
Agent picture.The transfer section is by the toner image from described as being transferred on transfer article on supporting body.It is described as supporting body be on
The Electrophtography photosensor stated.The electrification polarity of the electro-mechanical part is positive polarity.The electro-mechanical part is held by one side and the picture
The surface of carrier is contacted applies DC voltage on one side, and the surface as supporting body is made to charge.The transfer
Body is recording medium.When the surface as supporting body is contacted with the transfer article, the transfer section will be described
Toner image is transferred on the transfer article.
(invention effect)
The Electrophtography photosensor of the present invention can inhibit the generation that transfer is remembered.In addition, the handle box and figure of the present invention
As forming apparatus can inhibit the generation of image failure.
Description of the drawings
Fig. 1 (a) and Fig. 1 (b) is the knot for indicating the Electrophtography photosensor involved by the first embodiment of the present invention
The schematic cross sectional views of structure.
Fig. 2 indicates an example of the image forming apparatus involved by second embodiment of the present invention.
Fig. 3 indicates that the image of afterimage of image occurs.
Fig. 4 indicates evaluation image.
Specific implementation mode
Hereinafter, detailed description of embodiments of the present invention, but the present invention is not limited by the following embodiments and the accompanying drawings,
Implemented again after being suitably changed within the scope of the purpose of the present invention.Additionally, there are be suitably omitted repeated explanation it
The case where place, but therefore do not limit the main idea of invention.In addition, in this specification, added after compound name sometimes
" class " is referred to as the compound and its derivative." class " is being added after compound name come the case where indicating polymer name
Under, indicate that the repetitive unit of polymer is originated from the compound or its derivative.
Hereinafter, halogen atom, C1-C6 alkyl, C1-C5 alkyl, C1-C4 alkyl, C1-C3 alkyl, C1-C2 alkyl, C1-C4
Alkoxy, C6-C14 aryl and the respective meaning of C8-C12 phenyl alkenyls are as follows.
Halogen atom (halogen group) is e.g.：Fluorine atom (fluorine-based), chlorine atom (chloro), bromine atom (bromo) or iodine
Atom (iodo).
C1-C6 alkyl is straight-chain or branched, and is unsubstituted.C1-C6 alkyl is, for example,：Methyl, ethyl,
Propyl, isopropyl, normal-butyl, sec-butyl, tertiary butyl, amyl, isopentyl, neopentyl or hexyl.
C1-C5 alkyl is straight-chain or branched, and is unsubstituted.C1-C5 alkyl is, for example,：Methyl, ethyl,
Propyl, isopropyl, normal-butyl, sec-butyl, tertiary butyl, amyl, isopentyl or neopentyl.
C1-C4 alkyl is straight-chain or branched, and is unsubstituted.C1-C4 alkyl is, for example,：Methyl, ethyl,
Propyl, isopropyl, normal-butyl, sec-butyl or tertiary butyl.
C1-C3 alkyl is straight-chain or branched, and is unsubstituted.C1-C3 alkyl is, for example,：Methyl, ethyl,
Propyl or isopropyl.
C1-C2 alkyl is straight-chain and is unsubstituted.C1-C2 alkyl is, for example,：Methyl or ethyl.
C1-C4 alkoxies are straight-chain or branched, and are unsubstituted.C1-C4 Alkoxies are in this way：Methoxy
Base, ethyoxyl, positive propoxy, isopropoxy, n-butoxy, sec-butoxy or tert-butoxy.
C6-C14 aryl is unsubstituted.C6-C14 aryl is, for example,：The unsubstituted aromatic monocyclic alkyl of C6-C14, C6-
The bicyclic alkyl of the unsubstituted aromatic condensations of C14 or the unsubstituted aromatic condensation tricyclic hydrocarbyls of C6-C14.C6-C14 aryl is for example
It is：Phenyl, naphthalene, anthryl or phenanthryl.
C8-C12 phenyl alkenyls are the bases that phenyl is combined with C2-C6 alkyl polyene-based (alkapolyene yls).
C8-C12 phenyl alkenyls are straight-chain or branched, and are unsubstituted.C8-C12 phenyl alkenyls are, for example,：Ethylene
Base, butadienyl or hexatriene base.
<First embodiment：Electrophtography photosensor>
To the Electrophtography photosensor involved by first embodiment of the invention (hereinafter, sometimes referred to as photoreceptor)
Structure illustrates.Fig. 1 is the schematic cross sectional views for the structure for indicating the photoreceptor 1 involved by first embodiment.Such as Fig. 1
(a) shown in, photoreceptor 1 has conductive base 2 and photosensitive layer 3.Photosensitive layer 3 is single-layer type photosensitive layer.As shown in Fig. 1 (a), sense
Photosphere 3 can directly configure on conductive base 2.In addition, as shown in Fig. 1 (b), photoreceptor 1 for example has conductive base
2, middle layer 4 (priming coat) and photosensitive layer 3.As shown in Fig. 1 (b), photosensitive layer 3 can also indirect configuration on conductive base 2.
As shown in Fig. 1 (b), middle layer 4 can be arranged between conductive base 2 and photosensitive layer 3.As shown in Fig. 1 (c), photoreceptor 1
Can have the protective layer 5 as outmost surface layer.
Photosensitive layer 3 contains charge producing agent, cavity conveying agent, electron transporting agent and binding resin.Cavity conveying agent contains
The triphenylamine derivative that general formula (HT) indicates (hereinafter, sometimes referred to as triphenylamine derivative (HT)).Binding resin contains general formula
(1) polyarylate resin indicated (hereinafter, sometimes referred to as polyarylate resin (1)).Photoreceptor involved by first embodiment
The generation that transfer can be inhibited to remember.Its reason is presumed as follows.
In order to make it easy to understand, being illustrated first to transfer memory.In the image of electrofax mode is formed, such as in fact
Apply containing it is following 1)~4) process image forming course.
1) process is charged, the surface electrification as supporting body (being equivalent to photoreceptor) is made；
2) exposure process, to being formed on the surface as supporting body quiet as the surface of supporting body is exposed after electrification
Electric sub-image；
3) latent electrostatic image developing is toner image by developing procedure；And
4) toner image of formation is transferred to from as supporting body in recording medium by transfer printing process.
In such image forming method, due to the use of as making to be rotated as supporting body when supporting body, therefore sometimes
It will produce and transfer memory caused by transfer printing process.It is specific as follows.In charging process, as the surface of supporting body is by equably band
Electricity arrives certain positive polarity potential.Next, by exposure process and developing procedure, then in transfer printing process, polarity and band
The transfer bias of electric polarity opposite (negative polarity) is applied to across recording medium as on supporting body.Specifically, sometimes, due to
The influence of the transfer bias of the opposite polarity applied, as the current potential of the non-exposed areas (non-image areas) on supporting body surface is big
Width declines, and is maintained at the state after declining.It is influenced by the decline of such current potential, non-exposed areas is forming figure with photoreceptor
In the electrification process of next circle on the basis of one circle of picture (hereinafter, sometimes referred to as circle of origin), it becomes difficult to by being charged to
The positive polarity potential needed.On the other hand, even in the state of being applied with transfer bias, toner be attached to exposure area and
Transfer bias is caused to be difficult to be applied directly on photosensitive surface, therefore the current potential of exposure area (image-region) is not easy to down
Drop.Therefore, exposure area is easy to be charged to required positive polarity potential in next circle electrification process of circle of origin.As a result,
Sometimes different with the electric potential on non-exposed areas in exposure area, it becomes difficult to make the uniformly electrification as supporting body
To certain positive polarity potential.
In this way, due to the transfer bias in the circle of origin imaging process (image forming course) of photoreceptor 1, to sometimes by
The influence declined to current potential, causes the chargeding performance of non-exposed areas to decline.It is this that showing for potential difference is generated between electric potential
As being known as transfer memory.
On the fluorine-triphenylamine structure at the center of triphenylamine derivative (HT), there is substituent group on 2 phenyl ring in 3 phenyl ring,
The substituent group is with R2Or R3C8-C12 phenyl alkenyls.Wherein, due to the pi-conjugated body of triphenylamine derivative (HT)
The spatial dimension of system is bigger, therefore the displacement distance of the carrier (hole) of the intramolecular of triphenylamine derivative (HT) often increases
Greatly.That is, the intramolecular displacement distance of carrier (hole) often will increase.In addition, in photosensitive layer 3, several triphenylamines
The mutual pi-conjugated system of derivative (HT) becomes easy overlapping, point of the carrier (hole) in several triphenylamine derivatives (HT)
Displacement distance between son is often reduced.That is, the intermolecular displacement distance of carrier (hole) is often reduced.Another party
Face, since triphenylamine derivative (HT) has 1 nitrogen-atoms in the molecule, there is the chemical combination of 2 nitrogen-atoms with intramolecular
Object (for example, diamine compound) is compared, and the uneven distribution of intramolecular charge is often fewer.Thus, it is possible to think triphenylamine
Derivative (HT) can improve the carrier acceptance (injection) and carrier transmission of photoreceptor 1.In addition, deriving containing triphenylamine
The photosensitive layer 3 of object (1) is easy to make surface potential when electrification to keep stablizing.
As shown in general formula (1), polyarylate resin (1) has the repetitive unit from dicarboxylic acids and the repetition list from glycol
Member.Repetitive unit from dicarboxylic acids has the divalent substituent that general formula (4A)~(4E) is indicated, the repetitive unit from glycol
With fluorenyl.Polyarylate resin with this structure is easy the high photosensitive layer of forming layer density, and is easy to form high rigidity
Photosensitive layer 3.Therefore, it is easy to make surface potential when electrification to keep stablizing.In addition, polyarylate resin (1) and triphenylamine derivative
(HT) excellent in compatibility, therefore polyarylate resin (1) is easy that triphenylamine derivative (HT) is made to disperse in the photosensitive layer at 3.As a result,
It is easy to improve the carrier transmission of photosensitive layer 3.In summary, it is believed that the photoreceptor involved by first embodiment can press down
The generation of system transfer memory.
Hereinafter, to the element (conductive base, photosensitive layer and middle layer) of the photoreceptor involved by first embodiment into
Row explanation.Also the manufacturing method of photoreceptor is illustrated.
[1. conductive base]
As long as conductive base 2 can be used as the conductive base of photoreceptor 1, it is not particularly limited.Electric conductivity
Matrix 2 can be the conductive base that at least surface element is made of conductive material (hereinafter, sometimes referred to as conductive base).
Conductive base is, for example,：The conductive base be made of conductive material or the electric conductivity base coated by conductive material
Body.Conductive material is, for example,：Aluminium, iron, copper, tin, platinum, silver, vanadium, molybdenum, chromium, cadmium, titanium, nickel, palladium or indium.These electric conductivity materials
It in material, can be used alone, two or more use can also be combined.Two or more combinations is, for example, that alloy is (specific
For, aluminium alloy, stainless steel or brass etc.).In these conductive materials, by charge from photosensitive layer 3 to conductive base 2
From the point of view of mobile good aspect, preferably aluminium or aluminium alloy.
The shape of conductive base 2 can suitably be selected according to the structure of used image forming apparatus.It is conductive
The shape of property matrix 2 is, for example, sheet or drum type.In addition, the thickness of conductive base 2 can be according to the shape of conductive base 2
Shape is suitably selected.
[2. photosensitive layer]
Photosensitive layer 3 contains charge producing agent, cavity conveying agent, electron transporting agent and binding resin.Photosensitive layer 3 can also contain
There is additive.As long as the thickness of photosensitive layer 3 can make photosensitive layer 3 play one's part to the full, it is not particularly limited.It is specific next
It says, the thickness of photosensitive layer 3 can be 5 μm or more 100 μm hereinafter, preferably 10 μm or more 50 μm or less.
Hereinafter, being illustrated to charge producing agent, cavity conveying agent, electron transporting agent, binding resin and additive.
[2-1. charges producing agent]
As long as the charge producing agent of charge producing agent photoreceptor 1, is not particularly limited.Charge producing agent example
In this way：Phthalocyanine pigment, class pigment, disazo pigment, dithione pyrrolopyrrole (dithioketo-
Pyrrolopyrrole) pigment, without metal naphthalene phthalocyanine pigment, metal naphthalene phthalocyanine pigment, square acid color, trisazo pigment, indigo
Pigment, azulene pigment, cyanine pigment；The powder of the inorganic light-guide material of selenium, selenium-tellurium, selenium-arsenic, cadmium sulfide, non-crystalline silicon etc；
Pyralium salt, anthanthrene quinones pigment, triphenylmethane pigment, intellectual circle's class pigment, toluene amines pigment, pyrazolines pigment or
Quinacridone-type pigments.Phthalocyanine pigment is, for example,：The pigment of phthalocyanine color or phthalocyanine derivates.Phthalocyanine color is, for example,：
Metal-free phthalocyanine (for more specifically, X-type metal-free phthalocyanine (x-H2Pc) etc.).The pigment of phthalocyanine derivates is for example
It is：Metal phthalocyanine pigment (for more specifically, titanyl phthalocyanine pigment or Type V hydroxygallium phthalocyanine pigment etc.).To phthalocyanines face
The crystal shape of material is not particularly limited, and can use the phthalocyanine pigment of various crystal shapes.The crystal shape of phthalocyanine pigment
Shape is, for example,：α types, β types or Y types.Charge producing agent can be used alone, and can also combine two or more use.
In these charge producing agent, preferably phthalocyanine pigment, more preferably metal-free phthalocyanine or titanyl phthalocyanine pigment, into one
Step is preferably X-type metal-free phthalocyanine (x-H2) or Y-shaped oxygen titanium phthalocyanines pigment (Y-TiOPc) Pc.
Y-shaped oxygen titanium phthalocyanines pigment has in Cu-K α characteristic X-ray difraction spectrums in 2 θ ± 0.2 °=27.2 ° of Bragg angle
There is main peak.It is 3 ° or more 40 ° below that main peak in CuK α characteristic X-ray difraction spectrums, which refers in Bragg angle (2 θ ± 0.2 °),
Peak with the first big or second largest intensity in range.
(measurement method of CuK α characteristic X-ray difraction spectrums)
The measurement method of CuK α characteristic X-ray difraction spectrums is illustrated.Sample (titanyl phthalocyanine) is filled into X-ray
On the sample holder of diffraction device (Rigaku Corporation manufactures " RINT (Japan registration trade mark) 1100 "), in X-ray
The wavelength of pipe Cu, tube voltage 40kV, tube current 30mA and CuK α characteristic X-raysUnder conditions of, it measures X-ray and spreads out
Penetrate spectrum.Measurement range (2 θ) is 3 ° or more 40 ° or less (3 ° of initial angle, 40 ° of angular stops), and sweep speed is, for example, 10 °/point.
Main peak is determined according to gained X-ray diffraction spectra, reads the Bragg angle of main peak.
The charge producing agent that there is absorbing wavelength in required region is can be used alone, can also be combined of more than two kinds
Charge producing agent uses.Moreover, for example, it is preferable to use 700nm's or more in the image forming apparatus of digit optical formula
Wavelength region has the photoreceptor of sensitivity.The image forming apparatus of digit optical formula is, for example,：Using semiconductor laser it
The laser printer or facsimile machine of class light source.Thus, for example preferably phthalocyanine pigment, more preferably X-type metal-free phthalocyanine
Pigment or Y-shaped oxygen titanium phthalocyanines pigment.From the viewpoint of the sensitivity characteristic for further increasing photoreceptor 1, further preferably
For Y-shaped oxygen titanium phthalocyanines pigment.From the viewpoint of further suppressing transfer memory generation, further preferably X-type is without metal phthalein
Cyanine pigment.
, it is preferable to use anthanthrene quinones face in photoreceptor 1 used in image forming apparatus using short-wavelength laser light sources
Material or class pigment are used as charge producing agent.The wavelength of short wavelength laser is, for example, 350nm or more 550nm waves below
It is long.
Charge producing agent is, for example, the phthalocyanine pigment of chemical formula (CGM-1)~(CGM-4) expressions (hereinafter, distinguishing sometimes
It is recorded as charge producing agent (CGM-1)~(CGM-4)).
【Change 5】
Relative to 100 mass parts of binding resin, the content of charge producing agent be preferably 0.1 mass parts or more, 50 mass parts with
Under, more than more preferably 0.5 mass parts 30 is below mass part, and more than particularly preferably 0.5 mass parts 4.5 is below mass part.
[agent of 2-2. cavity conveyings]
Cavity conveying agent contains triphenylamine derivative (HT).Triphenylamine derivative (HT) is indicated by general formula (HT).
【Change 6】
In general formula (HT), R1、R2And R3It is respectively independent, it indicates to select from the group that C1-C4 alkyl and C1-C4 alkoxies are constituted
The base selected.K, p and q is respectively independent, indicates 0 or more 5 integer below.M1 and m2 is respectively independent, indicates that 1 or more 3 is below whole
Number.In the case where k indicates 2 or more integer, several R1It each other can be identical or different.The case where p indicates 2 or more integer
Under, several R2It each other can be identical or different.In the case where q indicates 2 or more integer, several R3Each other can it is identical or
It is different.
In general formula (HT), R1The C1-C4 alkyl of expression is preferably methyl, ethyl or normal-butyl.R1The C1-C4 alkane of expression
Oxygroup is preferably ethyoxyl or n-butoxy.Relative to the bonding of nitrogen-atoms, R1The substituent group of expression can be in the neighbour of phenyl ring
Position (o), meta position (m) either align any one the preferably ortho position or contraposition of (p).
In general formula (HT), preferably：R1Indicate the base selected from the group that C1-C4 alkoxies and C1-C4 alkyl are constituted, k
Indicate 1 or 2, in the case where k indicates 2,2 R1Each other can be identical or different, p and q indicate 0, m1 and m2 indicate 2 or
3。
From the viewpoint of the generation for further suppressing transfer memory and the sensitivity characteristic for improving photoreceptor 1, general formula
(HT) in preferably：R1Indicate that C1-C4 alkyl, k indicate 2.From the generation for further suppressing transfer memory and improve photoreceptor
Sensitivity characteristic from the viewpoint of, be preferably that m1 and m2 indicate 2 or 3 in general formula (HT).
Triphenylamine derivative (HT) is e.g.：Chemical formula (HT-1), chemical formula (HT-2), chemical formula (HT-3), chemical formula
(HT-4), the triphenylamine derivative that chemical formula (HT-5), chemical formula (HT-6) or chemical formula (HT-7) indicate is (hereinafter, sometimes
Triphenylamine derivative (HT-1), triphenylamine derivative (HT-2), triphenylamine derivative (HT-3), triphenylamine is recorded as respectively to derive
Object (HT-4), triphenylamine derivative (HT-5), triphenylamine derivative (HT-6), triphenylamine derivative (HT-7)).
【Change 7】
Cavity conveying agent can also contain other cavity conveying agent on the basis of containing triphenylamine derivative (HT).
Other cavity conveying agent are, for example,：Diamine derivative (for more specifically, N, N, N ', N '-tetraphenyls phenylenediamine derivative, N,
N, N ', N '-tetraphenyls naphthylenediamine derivative or N, N, N ', N '-tetraphenyl phenanthrylene diamines (N, N, N ', N '-
Tetraphenyl phenanthrylene diamine) derivative etc.)；Furodiazole compound (for more specifically, 2,5-
Two (4- methylaminos phenyl) -1,3,4- oxadiazoles etc.)；Styrene compound (for more specifically, 9- (4- lignocaines
Styryl) anthracene etc.)；Carbazole compound (for more specifically, polyvinyl carbazole etc.)；Organopolysilane compound；Pyrrole
Oxazoline compound (for more specifically, 1- phenyl -3- (to dimethylaminophenyl) pyrazoline etc.)；Hydrazone compounds；Yin
Diindyl class compound；Dislike azole compounds；Isoxazole class compound；Thiazole compound；Thiadiazole compound；Imidazoles chemical combination
Object；Pyrazole compound；Triazole class compounds.
Relative to 100 mass parts of binding resin, the content of cavity conveying agent be preferably 10 mass parts or more, 200 mass parts with
Under, it is more than more preferably 10 mass parts that 100 is below mass part.
[2-3. electron transporting agents]
Electron transporting agent is, for example,：Quinones, diimide compounds, hydrazone compounds, malononitrile class chemical combination
Object, thiapyran class compound, trinitro- thioxanthene ketone class compound, 3,4,5,7- tetranitros -9-Fluorenone class compound, dinitro anthracene class
Compound, dinitro acridine compound, tetracyanoethylene, 2,4,8- trinitro- thioxanthones, dinitrobenzene, dinitro acridine, amber
Amber acid anhydrides, maleic anhydride or dibromomaleic acid acid anhydride.Quinones is, for example,：Biphenyl quinones, azo quinones chemical combination
Object, anthraquinone analog compound, naphthoquinone compound, nitroanthracene quinones or dinitroanthraquinone class compound.These electronics
It in agent delivery, can be used alone, two or more can also be combined to use.In above-mentioned electron transporting agent, general formula
(ET1), the electron transporting agent that general formula (ET2), general formula (ET3), general formula (ET4) or general formula (ET5) indicate is in description later
In be recorded as electron transporting agent (ET1), electron transporting agent (ET2), electron transporting agent (ET3), electron transporting agent respectively sometimes
(ET4) and electron transporting agent (ET5).
【Change 8】
In general formula (ET1), R11And R12It is respectively independent, indicate C1-C6 alkyl.In general formula (ET2), R13、R14、R15And R16Respectively
From independence, C1-C6 alkyl is indicated.In general formula (ET3), R17And R18It is respectively independent, indicate C6-C14 aryl, the C6-C14 aryl
Can have 1 or several C1-C3 alkyl substituents.In general formula (ET4), R19And R20It is respectively independent, indicate C1-C6 alkane
Base.R21Indicate that C6-C14 aryl, the C6-C14 aryl can have 1 or several halogen atoms.In general formula (ET5),
R22、R23、R24And R25It is respectively independent, indicate C1-C6 alkyl.
It is preferably electronics in electron transporting agent (ET1)~(ET5) from the viewpoint of further suppressing transfer memory generation
Agent delivery (ET1) or (ET2).
In general formula (ET1), R11And R12Preferably indicate C1-C5 alkyl, more preferably 2- methyl -2- butyl.Electron transport
Agent (ET1) is, for example, the electron transporting agent that chemical formula (ET1-1) indicates (hereinafter, sometimes referred to as electron transporting agent (ET1-1)).
In general formula (ET2), R13、R14、R15And R16Preferably indicate C1-C4 alkyl, more preferably methyl or tertiary butyl.
Electron transporting agent (ET2) is, for example, the electron transporting agent of chemical formula (ET2-1) expression (hereinafter, sometimes referred to as electron transporting agent
(ET2-1))。
In general formula (ET3), R17And R18Preferably indicate the phenyl with several C1-C2 alkyl substituents, more preferably
2- ethyl -6- aminomethyl phenyls.Electron transporting agent (ET3) is, for example, the electron transporting agent of chemical formula (ET3-1) expression (hereinafter, having
When be recorded as electron transporting agent (ET3-1)).
In general formula (ET4), R19And R20It preferably indicates C1-C4 alkyl, more preferably indicates tertiary butyl.R21Preferably table
Show the phenyl with halogen atom, more preferably indicates chlorphenyl, further preferably indicate rubigan.Electron transporting agent
(ET4) be, for example, chemical formula (ET4-1) indicate electron transporting agent (hereinafter, sometimes referred to as electron transporting agent (ET4-1)).
In general formula (ET5), R22、R23、R24And R25It preferably indicates C1-C4 alkyl, more preferably indicates methyl or tertiary fourth
Base.Electron transporting agent (ET5) is, for example, the electron transporting agent of chemical formula (ET5-1) expression (hereinafter, sometimes referred to as electron transport
Agent (ET5-1)).
【Change 9】
[2-4. binding resins]
Binding resin contains polyarylate resin (1).Polyarylate resin (1) is indicated by general formula (1).
【Change 10】
In general formula (1), Q1、Q2、Q3And Q4It is respectively independent, indicate hydrogen atom or methyl.R and s indicates 0 or more 49 or less
Integer.T and u indicates 1 or more 50 integer below.R+s+t+u=100.R+t=s+u.R and t each other can be identical or not
Together.S and u each other can be identical or different.X is by chemical formula (2A), chemical formula (2B), chemical formula (2C), chemical formula (2D), changes
The bilvalent radical that formula (2E) or chemical formula (2F) indicate.Y is by chemical formula (4A), chemical formula (4B), chemical formula (4C), chemistry
The bilvalent radical that formula (4D) or chemical formula (4E) indicate.X and Y are different from each other.
【Change 11】
From the sensitivity characteristic for further increasing photoreceptor 1 and from the viewpoint of further suppressing transfer memory generation,
In general formula (1), Q1、Q2、Q3And Q4Preferably indicate methyl.
From the sensitivity characteristic for further increasing photoreceptor 1 and from the viewpoint of further suppressing transfer memory generation,
In general formula (1), in the case where s indicates 0, Y is preferably the divalent indicated by general formula (4A), general formula (4B) or general formula (4C)
Base.In general formula (1), in the case where s indicates 1 or more integer, preferably：X is by general formula (2A), general formula (2B) or general formula
The bilvalent radical that (2C) is indicated, Y is the bilvalent radical indicated by general formula (4A), general formula (4B) or general formula (4C).
S can also indicate 1 or more integer.Can be：R is different from each other with s, and r is different from each other with u.Can also be：T and s
Different from each other, t is different from each other with u.
Polyarylate resin (1) has the repetitive unit that general formula (1-7) indicates (hereinafter, sometimes referred to as repetitive unit (1-
7)) and general formula (1-8) indicate repetitive unit (hereinafter, sometimes referred to as repetitive unit (1-8)).Polyarylate resin (1) in r and
In the case that s indicates 1 or more integer, the repetitive unit also with chemical formula (1-5) expression is (hereinafter, sometimes referred to as repeat list
First (1-5)) and general formula (1-6) expression repetitive unit (hereinafter, sometimes referred to as repetitive unit (1-6)).
【Change 12】
Q in general formula (1-5)1And Q2, the X in general formula (1-6), the Q in general formula (1-7)3And Q4And in general formula (1-8)
Y respectively with the Q in general formula (1)1、Q2、X、Q3、Q4It is identical with Y meanings.
Polyarylate resin (1) can also contain the repetitive unit other than repetitive unit (1-5)~(1-8).Polyarylate resin
(1) in, total ratio of the amount of total substance relative to repetitive unit of the amount of the substance of repetitive unit (1-5)~(1-8)
Rate (molar fraction) is preferably 0.80 or more, more preferably 0.90 or more, further preferably 1.00.
In polyarylate resin (1), repetitive unit (1-5)~(1-8) if repetition list of the arrangement from aromatic diol
Member is adjacent to each other with the repetitive unit from aromatic dicarboxylic acid, is not particularly limited.For example, repetitive unit (1-5)
It is adjacent with repetitive unit (1-6) or repetitive unit (1-8) each independently with repetitive unit (1-7) and be mutually bonded.
In general formula (1), r and s indicate 0 or more 49 integer below.T and u indicates 1 or more 50 integer below.r+s+t+u
=100.R+t=s+u.S/ (s+u) can be 0.30 or more 0.70 or less.S/ (s+u) is indicated：In polyarylate resin (1), repeat
Conjunction of the amount of the substance of unit (1-6) relative to the amount of the substance of repetitive unit (1-6) and the amount of the substance of repetitive unit (1-8)
The ratio (molar fraction) of meter.
Polyarylate resin (1) be, for example, chemical formula (Resin-1)~(Resin-11) indicate polyarylate resin (hereinafter,
Sometimes referred to as polyarylate resin (Resin-1)~(Resin-11)).
【Change 13】
【Change 14】
【Change 15】
The viscosity average molecular weigh of binding resin is preferably 10,000 or more, more preferably 14, and 000 or more, further preferably
20,000 or more, particularly preferably 48,000 or more.The viscosity average molecular weigh of binding resin is preferably 100,000 hereinafter, more preferably
It is 80,000 hereinafter, further preferably 70,000 hereinafter, particularly preferably 53, and 000 or less.In the viscous equal molecule of binding resin
In the case that amount is 20,000 or more, the wear resistance of binding resin can be improved, charge transport layer becomes not easy to wear.It is another
Aspect is 70 in the viscosity average molecular weigh of binding resin, and in the case of 000 is below, when forming photosensitive layer, binding resin is easy molten
In solution to solvent, photosensitive layer is formed to tend to.
(manufacturing method of polyarylate resin (1))
Polyarylate resin (1) if manufacturing method can manufacture polyarylate resin (1), be not particularly limited.
Such manufacturing method is, for example,：The aromatic diol and aromatic series dicarboxyl of repetitive unit for constituting polyarylate resin (1)
The method that acid carries out polycondensation.The synthetic method of polyarylate resin (1) is not particularly limited, well-known synthesis may be used
Method (for more specifically, polymerisation in solution, melt polymerization or interfacial polymerization etc.).Hereinafter, the manufacture to polyarylate resin (1)
One example of method illustrates.
For example, the reaction (hereinafter, sometimes referred to as reacting (R-1)) or similar indicated according to reaction equation (R-1)
Method, manufacture polyarylate resin (1).The manufacturing method of polyarylate resin is for example comprising reaction (R-1).
【Change 16】
It reacts in (R-1), the Q in general formula (1-11)1And Q2, Q in general formula (1-12)3And Q4, X in general formula (1-9) with
And the Y in general formula (1-10) respectively with the Q in general formula (1)1、Q2、Q3、Q4, X with Y meanings it is identical.
It reacts in (R-1), the aromatic dicarboxylic acid that the aromatic dicarboxylic acid and general formula (1-10) that general formula (1-9) indicates indicate
The aromatic diol acid that (hereinafter, being recorded as aromatic dicarboxylic acid (1-9) and (1-10) respectively sometimes) indicates with general formula (1-11)
The aromatic diol (hereinafter, being recorded as aromatic diol (1-11) and (1-12) respectively sometimes) indicated with general formula (1-12) carries out
Reaction, obtains polyarylate resin (1).
1 mole of the amount of total material relative to aromatic carboxylic acid (1-9) and (1-10), aromatic diol (1-11) and (1-
12) amount of total material is preferably 0.9 mole or more 1.1 moles or less.Reason is：In above range, it is easily purified poly-
The yield of aromatic ester resin (1), polyarylate resin (1) is improved.
Reaction (R-1) can also carry out in the presence of alkali and catalyst.Catalyst is, for example,：Tertiary amine (more specifically comes
Say, trialkylamine etc.) or quaternary ammonium salt (for more specifically, benzyltrimethylammonium bromide etc.).Alkali is, for example,：The hydrogen of alkali metal
Oxide (for more specifically, sodium hydroxide or potassium hydroxide etc.), alkaline-earth metal hydroxide (for more specifically,
Calcium hydroxide etc.).Reaction (R-1) can also carry out in a solvent and under inert gas atmosphere.Solvent is, for example,：Water or three
Chloromethanes.Inert gas is, for example, argon gas.The reaction time for reacting (R-1) is preferably 5 hours 2 hours or more or less.Reaction temperature
Preferably 5 DEG C or more 25 DEG C or less of degree.
Aromatic dicarboxylic acid is, for example,：The aromatic dicarboxylic acid that 2 carboxyls are combined on aromatic rings (more specifically comes
It says, naphthalene dicarboxylic acids, 4,4 '-oxydibenzoic acids or 4,4 '-biphenyl dicarboxylic acids etc.).About aromatic dicarboxylic acid, in aromatic series
Except dicarboxylic acids (1-9) and (1-10), other dicarboxylic acids can also be contained.In addition, in the synthesis of polyarylate resin, it can also
Aromatic series two is replaced using aromatic dicarboxylic acid derivative (for more specifically, alkyl halide acyl or aromatic dicarboxylic acid acid anhydride)
Carboxylic acid.
During synthesizing polyarylate resin, aromatic diol can be used as the derivative of diacetin etc.About
Aromatic diol can also contain other glycol (for example, bisphenol-A, bis-phenol except aromatic diol (1-11) and (1-12)
S, bis-phenol E or Bisphenol F).
Can also include other process as needed in the manufacture of polyarylate resin (1).Such process is, for example, to carry
Pure process.Method of purification is for example well-known method (for more specifically, filtering, chromatography or crystallization etc.).
[2-5. additives]
In the range of electron photographic property does not bring harmful effect, at least one of photosensitive layer 3 and middle layer 4
Various additives can be contained.Additive is, for example,：Degradation inhibitor (for more specifically, antioxidant, free radical capture
Agent, quencher or ultra-violet absorber etc.), softening agent, surface modifier, incremental agent, thickener, dispersion stabilizer, wax, confession
Body, surfactant or levelling agent.
[3. middle layer]
Photoreceptor 1 involved by first embodiment can also have middle layer 4 (for example, priming coat).Middle layer 4 is for example
Contain inorganic particle and resin (middle layer resin).By make middle layer 4 exist, be able to maintain that can inhibit electric leakage occur it is this
The state of insulation of degree, while keeping the electric current flowing generated when exposure photoreceptor 1 smooth, the increase of resistance can be inhibited.
Inorganic particle is, for example,：Particle, the metal oxide of metal (for more specifically, aluminium, iron or copper etc.) (have more
For body ground, titanium dioxide, aluminium oxide, zirconium oxide, tin oxide either zinc oxide etc.) particle or nonmetal oxide (more
Specifically, silica etc.) particle.In these inorganic particles, can be used alone, can also and with 2 kinds with
On.
[manufacturing methods of 4. photoreceptors]
The manufacturing method of photoreceptor 1 is illustrated.The manufacturing method of photoreceptor 1 is for example with photosensitive layer formation process.
In photosensitive layer formation process, the coating fluid for being used to form photosensitive layer 3 is prepared (hereinafter, sometimes referred to as photosensitive layer
With coating fluid).By photosensitive layer coating solution on conductive base.Then, it is dried, is removed by method appropriate
Solvent-laden at least part of institute in the photosensitive layer coating fluid being coated with, forms photosensitive layer 3.Photosensitive layer with coating fluid for example containing
There are charge producing agent, cavity conveying agent, electron transporting agent, binding resin and solvent.By making charge producing agent, cavity conveying
Agent, electron transporting agent and binding resin dissolving or dispersion in a solvent, prepare above-mentioned photosensitive layer coating fluid.Photosensitive layer is used
In coating fluid, various additives can also be added as needed.
Hereinafter, photosensitive layer formation process is described in detail.As long as the solvent contained in photosensitive layer coating fluid can
So that photosensitive layer is dissolved with each ingredient contained by coating fluid or is disperseed and can be removed from coated film, does not do special limit
It is fixed.Solvent is, for example,：Alcohol (for more specifically, methanol, ethyl alcohol, isopropanol or butanol etc.), aliphatic hydrocarbon (more specifically come
Say, n-hexane, octane either hexamethylene etc.), aromatic hydrocarbon (benzene, toluene or dimethylbenzene etc. for more specifically), halogenated hydrocarbon
(for more specifically, dichloromethane, dichloroethanes, carbon tetrachloride or chlorobenzene etc.), ether (for more specifically, dimethyl ether, two
Ether, tetrahydrofuran, glycol dimethyl ether or diethylene glycol dimethyl ether etc.), ketone (for more specifically, acetone, methyl ethyl ketone
Either cyclohexanone etc.), ester (ethyl acetate or methyl acetate etc. for more specifically), dimethylformaldehyde, dimethylformamide
Or dimethyl sulfoxide (DMSO).These solvents may be used singly or in combination of two or more to use.In these solvents, preferably
Use non-halogenated solvent.
By mixing each ingredient and being distributed in solvent, to prepare photosensitive layer coating fluid.For what is mixed or disperse
Operation, can be used for example：Ball mill, roller mill, ball mill, grater, paint shaker or ultrasonic dispersing machine.
In order to improve the dispersibility of each ingredient or be formed by the surface smoothness of each layer, example in photosensitive layer coating fluid
Surfactant or levelling agent can also such as be contained.
As long as the method being coated with coating fluid using photosensitive layer being capable of photosensitive layer coating fluid on even spread
Method is not particularly limited.Coating method is, for example,：Dip coating, spray coating method, spin-coating method or stick coating method.
About the removal photosensitive layer solvent-laden at least part of method of coating fluid institute, as long as can remove (more
For body ground, evaporation etc.) at least part of method of solvent in photosensitive layer coating fluid, it is not particularly limited.It goes
Except method is, for example,：Heating, decompression or heating are used in combination with decompression.For more specifically, it can enumerate using high-temperature drier
Or the method that pressure Reduction Dryer is heat-treated (heated-air drying).Heat treatment condition is, for example, 40 DEG C or more 150 DEG C below
Temperature and 3 minutes or more the 120 minutes time below.
In addition, in the manufacturing method of photoreceptor 1, can also further have the process for forming middle layer as needed.Shape
Well-known method can be properly selected at the process of middle layer.
<Second embodiment：Image forming apparatus>
Hereinafter, being illustrated to a mode of the image forming apparatus involved by second embodiment with reference to Fig. 2.Fig. 2 tables
Show an example of the image forming apparatus involved by second embodiment.
Image forming apparatus 100 involved by second embodiment has image forming unit 40.Image forming unit 40
Have as supporting body 30, electro-mechanical part 42, exposure portion 44, development section 46 and transfer section 48.As supporting body 30 is first embodiment
Involved photoreceptor.Electro-mechanical part 42 is made by applying DC voltage while being contacted with the surface as supporting body 30
As the surface of supporting body 30 is charged.The electrification polarity of electro-mechanical part 42 is positive polarity.Exposure portion 44 is to the picture supporting body 30 that has charged
Surface be exposed, form electrostatic latent image on the surface as supporting body 30.Latent electrostatic image developing is toning by development section 46
Agent picture.When the surface as supporting body 30 as the recording medium P of transfer article with being contacted, transfer section 48 by toner image from
As being transferred on recording medium P on supporting body 30.It is above-mentioned, letter has been carried out to the image forming apparatus involved by second embodiment
Single description.
Image forming apparatus 100 involved by second embodiment can inhibit image failure (for example, the hair of transfer memory
Image failure caused by raw).Its reason is presumed as follows.Image forming apparatus 100 involved by second embodiment has first
Photoreceptor involved by embodiment is used as supporting body 30.Photoreceptor involved by first embodiment can inhibit to transfer
The generation of memory.Therefore, the image forming apparatus 100 involved by second embodiment can inhibit image failure.
Image failure illustrates caused by remembering to transfer.After generating transfer memory in image forming course, to scheme
As formed in photoreceptor 1 one circle (circle of origin) on the basis of when, as supporting body 30 surface on, in the electrification process of next circle
In cannot obtain the region of required current potential and the region of required current potential capable of being obtained in the electrification process of next circle of circle of origin
It compares, current potential is often relatively low.Specifically, as on the surface of supporting body 30, the non-exposed areas of circle of origin and the exposure of circle of origin
Light region is compared, and current potential is often relatively low when next circle charges.Therefore, the exposure area of the non-exposed areas of circle of origin and circle of origin
It compares, current potential when electrification is easily reduced, and is easy to attract positively charged toner in development.Reflect as a result, being easy to be formed
The image of the non-image portion (non-exposed areas) of circle of origin.Formation reflects this image failure of the image of circle of origin image portion just
It is the caused image failure of transfer memory (hereinafter, sometimes referred to as afterimage of image).
With reference to Fig. 3, the image to image failure has occurred illustrates.Fig. 3 indicates that the image 60 of afterimage of image has occurred.
Image 60 contains region 62 and region 64.Region 62 is comparable to the region enclosed as supporting body one, and region 64 is also comparable to picture
The region that supporting body one encloses.Contain image 66 in region 62.Image 66 is made of the solid image of square.Contain image in region 64
68 and image 69.Image 68 is the half tone image of square.Image 69 is half color for having in region 64 square blank
It changes the line map picture.For image 69 compared with image 68, image color is denseer.Image 69 reflects the non-exposed areas in region 62, image 69
It is the image color image failure (afterimage of image) denseer than the image color in design.In addition, the image in region 64 is in theory
On should be made of whole face half tone image.
Hereinafter, each component is described in detail with reference to Fig. 2.As long as 100 electrofax mode of image forming apparatus
Image forming apparatus is not particularly limited.Image forming apparatus 100 for example can be monochrome image forming apparatus,
It can be color image forming device.In the case where image forming apparatus 100 is color image forming device, image forms dress
100 are set for example, by using series system.Hereinafter, being illustrated for image forming apparatus 100 in a series arrangement.
Image forming apparatus 100 has image forming unit 40a, 40b, 40c and 40d, is also equipped with transfer belt 50 and fixing
Portion 52.Hereinafter, in the case where needing not distinguish between, image forming unit 40a, 40b, 40c and 40d are recorded as image and form list
Member 40.In addition, in the case where image forming apparatus 100 is monochrome image forming apparatus, image forming apparatus 100 has image
Unit 40a is formed, image forming unit 40b~40d is omitted.
Direct transfer modes may be used in image forming apparatus 100.In general, using the image shape of direct transfer modes
At in device, when the surface as supporting body is contacted with recording medium, toner image is transferred in recording medium.Cause
This, as supporting body is compared with the picture supporting body installed in the image forming apparatus using intermediate transfer mode, by transfer bias
It is affected.Accordingly, it is difficult to inhibit the generation of the image failure caused by the generation of transfer memory.But second embodiment
Involved image forming apparatus 100 has the photoreceptor involved by first embodiment.In addition, involved by first embodiment
Photoreceptor can inhibit transfer remember generation.Therefore, although the image forming apparatus 100 involved by second embodiment is adopted
With direct transfer modes, but it can also inhibit the image failure caused by the generation that transfer remembers.
In image forming unit 40, as supporting body 30 is disposed therein centre position.As be arranged to can be along for supporting body 30
Arrow direction (counter clockwise direction) rotates.Around as supporting body 30, on the basis of electro-mechanical part 42, from the rotation as supporting body 30
The upstream side for turning direction starts, and sets gradually electro-mechanical part 42, exposure portion 44, development section 46 and transfer section 48.In addition, image is formed
In unit 40, one of cleaning section (not shown) and de-power unit (not shown) or both can also be further equipped with.
The toner image of several color (for example, black, cyan, magenta and yellow these four colors) is successively by image
Unit 40a~40d is formed to be added on the recording medium P in transfer belt 50.
42 one side of electro-mechanical part is contacted with the surface as supporting body 30, on one side charges the surface as supporting body 30.Band
Electric portion 42 is the electro-mechanical part of the way of contact, i.e. charged roller.The electro-mechanical part of other ways of contact is, for example, band brush.In addition, electrification
Portion can also be the electro-mechanical part of cordless.The electro-mechanical part of cordless is, for example,：Corona charging portion or grid corona
Electro-mechanical part.
The electro-mechanical part of the way of contact is not easy to make the surface of photoreceptor to charge compared with the electro-mechanical part of cordless.For example,
In the image forming apparatus for having charged roller, it is generally difficult to inhibit the image failure as caused by the generation of transfer memory.The
Image forming apparatus 100 involved by two embodiments has the photoreceptor involved by first embodiment.First embodiment
Involved photoreceptor inhibits the generation of transfer memory.Therefore, even if image forming apparatus 100 involved by second embodiment
In the case where having the electro-mechanical part of the way of contact, it can also inhibit the image failure caused by the generation of transfer memory.
The voltage that electro-mechanical part 42 applies is DC voltage.It is applied in electro-mechanical part as the voltage on supporting body is DC voltage
In the case of, with the alternating voltage or overlapping voltage the case where compared with, the outmost surface layer of photosensitive layer can be reduced (for example, single layer
Type photosensitive layer) wear extent.
When electro-mechanical part applies alternating voltage, tend to make the surface potential on the surface as supporting body to homogenize, but,
In having image forming apparatus of the contact with electric-type electro-mechanical part, only applying DC voltage also being capable of uniform charged.By to band
Electric roller only applies DC voltage, can form good image, and can reduce the wear extent of photosensitive layer.
Exposure portion 44 is to having charged as the surface of supporting body 30 is exposed.As a result, on the surface as supporting body 30
Form electrostatic latent image.Electrostatic latent image is formed based on the image data for being input to image forming apparatus 100.
Toner is supplied to the surface as supporting body 30 by development section 46, to be toner image by latent electrostatic image developing.
Development section 46 can be contacted with the surface as supporting body 30 on one side, be on one side toner image by latent electrostatic image developing.
Transfer belt 50 is as conveying recording medium P between supporting body 30 and transfer section 48.Transfer belt 50 is endless belt.Transfer
Band 50 is arranged to (clockwise direction) to rotate in the direction of the arrow.
After toner image is developed by development section 46, transfer section 48 is by toner image from the surface as supporting body 30
It is transferred on recording medium P.Transfer section 48 is, for example, transfer roll.Record is transferred to from as supporting body 30 in toner image to be situated between
When on matter P, as surface and the recording medium P of supporting body 30 are kept in contact.
After toner image is transferred on recording medium P by transfer section 48, fixing section 52 to unfixed toner image into
Row heating and/or pressurization.Fixing section 52 is, for example, heating roller and/or pressure roller.By being heated and/or being added to toner image
Pressure makes toner image fixing on recording medium P.As a result, forming image on recording medium P.
<Third embodiment：Handle box>
Handle box involved by third embodiment has the photoreceptor involved by first embodiment.Next, reference
Fig. 2 illustrates the handle box involved by third embodiment.
Handle box contains the part of blocking.The part of blocking is as supporting body 30.In the part of blocking,
In addition to that can also include to be selected from the group that electro-mechanical part 42, exposure portion 44, development section 46 and transfer section 48 are constituted as supporting body 30
It is at least one.Handle box is for example equivalent to each of image forming unit 40a~40d.It, can also be into one in handle box
Step has cleaning device (not shown) and except one or both of electric appliance (not shown).Handle box is designed to relative to image shape
It can freely be assembled and disassembled at device 100.Therefore, handle box is easily processed, in the feelings that the sensitivity characteristic etc. as supporting body 30 deteriorates
Under condition, can easily and rapidly it replace comprising as the handle box including supporting body 30.
【Embodiment】
Hereinafter, carrying out more specific description to the present invention using embodiment.In addition, the present invention is not defined in any way
The range of embodiment.
[material of photoreceptor]
(cavity conveying agent)
Prepare triphenylamine derivative (HT-1)~(HT-7) illustrated in first embodiment.In addition, preparing chemical formula
(HT-8) the cavity conveying agent that either (HT-9) is indicated (hereinafter, sometimes referred to as cavity conveying agent (HT-8) or (HT-9)).
【Change 17】
(electron transporting agent)
Prepare electron transporting agent (ET1-1)~(ET5-1) illustrated in first embodiment.
(charge producing agent)
Prepare charge producing agent (CGM-1)~(CGM-2) illustrated in first embodiment.Charge producing agent (CGM-
1) be chemical formula (CGM-1) indicate X-type metal-free phthalocyanine.
Charge producing agent (CGM-2) is Y-shaped oxygen titanium phthalocyanines pigment (the Y-shaped oxygen titanium phthalocyanines knot that chemical formula (CGM-2) indicates
It is brilliant).Crystalline texture is Y types.
Y-shaped oxygen titanium phthalocyanines crystallize in CuK α characteristic X-ray difraction spectrum charts, 2 θ ± 0.2 ° of Bragg angle=
9.2 °, 14.5 °, 18.1 °, 24.1 °, 27.2 ° have peak value, and main peak is 27.2 °.In addition, CuK α characteristic X-ray difraction spectrums are
It is measured according to the measuring device and measuring condition that are illustrated in first embodiment.
(binding resin)
[polyarylate resin (Resin-1)~(Resin-11)]
Polyarylate resin (Resin-1)~(Resin-11) illustrated in manufacture first embodiment.
[making of polyarylate resin (Resin-5)]
Using three-necked flask as reaction vessel.The reaction vessel is that have thermometer, triple valve and 200mL dropping funels
Capacity 1L three-necked flask.In the reaction vessel, bis- (3- methyl -4- hydroxy phenyls) the fluorenes 31.25g of 9,9- (82.56 millis are put into
Mole), tert-butyl phenol 0.124g (0.826 mM), sodium hydroxide 7.84g (196 mMs) and benzyl tributyl chlorination
Ammonium 0.240g (0.768 mM).Then, to carrying out argon gas displacement in reaction vessel.Then, reaction then by water 600mL is added
In container.Under conditions of the internal temperature of reaction vessel is 20 DEG C, the content of reaction vessel is stirred 1 hour.Then, cold
The internal temperature of reaction vessel is cooled to 10 DEG C by the but content of reaction vessel.Alkaline aqueous solution is prepared as a result,.
Make 2,6- naphthalenes dimethyl chloride (2,6-Naphthalene dicarboxylic acid dichloride) 9.84g
(38.9 mMs) and 4,4 '-chloroformyl phenylate 11.47g (38.9 mMs) are dissolved in chloroform (being added to amylene)
In 300g, chloroform soln is prepared.
Then, the internal temperature of the reaction vessel of alkaline aqueous solution is maintained 10 DEG C, and to including in reaction vessel
Object is stirred.Chloroform soln is added in alkaline aqueous solution, polymerisation is started.Persistently it is stirred to react container
Content and to maintain internal temperature in reaction vessel be 13 ± 3 DEG C, makes polymerisation carry out 3 hours.Then, using decanter
It removes upper layer (water layer), obtains organic layer.
Using the conical flask of capacity 2L as reaction vessel.In the reaction vessel, ion exchange water 500mL is added, it
After organic layer is added.Then, chloroform 300g and acetic acid 6mL is added in the reaction vessel.The content of reaction vessel is existed
It is stirred 30 minutes under room temperature (25 DEG C).Then, upper layer (water layer) is removed using decanter, obtains organic layer.Then, using ion
Exchanged water 500mL is used in combination separatory funnel to carry out 8 cleanings to organic layer.
It is operated by liquid separation, takes out the organic layer after washing.Organic layer is filtered, filtrate is obtained.Capacity 3L's
The methanol of 1.5L is added in beaker.In the state of having stirred methanol, organic layer is slowly added dropwise, obtains sediment.Passed through
Filter, sediment is filtered out.The vacuum drying for making gained sediment be carried out under temperature 70 C 12 hours.As a result, obtaining poly- virtue
Ester resin (Resin-5).The yield of polyarylate resin (Resin-5) is 39.7g, and yield is 88.1%.
[manufacture of polyarylate resin (Resin-1)~(Resin-4)]
In addition to by bis- (3- methyl -4- hydroxy phenyls) fluorenes of 9,9- be changed to as polyarylate resin (Resin-1)~
(Resin-4) aromatic diol of raw material, by 2,6- naphthalenes dimethyl chloride (2,6-Naphthalene dicarboxylic
Acid dichloride) and 4,4 '-chloroformyl phenylates are changed to as polyarylate resin (Resin-1)~(Resin-4's)
Other than the alkyl halide acyl of raw material, is operated in the same manner as polyarylate resin (Resin-5), produce polyarylate resin respectively
(Resin-1)~(Resin-4).In addition, in the manufacture of polyarylate resin (Resin-1)~(Resin-4), the substance of raw material
Amount as the amount of the substance in the manufacture of polyarylate resin.Wherein, the amount of the substance of raw material refers to aromatic dicarboxylic acid
The amount of the amount of total material and the substance of aromatic diol.
[manufacture of polyarylate resin (Resin-6)~(Resin-7)]
In addition to by bis- (3- methyl -4- hydroxy phenyls) fluorenes of 9,9- be changed to as polyarylate resin ((Resin-6)~
(Resin-7)) aromatic diol of raw material, by 2,6- naphthalenes dimethyl chloride (2,6-Naphthalene dicarboxylic
Acid dichloride) and 4,4 '-chloroformyl phenylates are changed to as polyarylate resin ((Resin-6)~(Resin-7))
Raw material alkyl halide acyl other than, with polyarylate resin (Resin-5)) in the same manner as operate, produce polyarylate resin respectively
(Resin-6)~(Resin-7).In addition, in the manufacture of polyarylate resin (Resin-6)~(Resin-7), the substance of raw material
Amount as the amount of the substance in the manufacture of polyarylate resin.Wherein, the amount of the substance of raw material refers to aromatic dicarboxylic acid
The amount of the amount of total material and the substance of aromatic diol.
[manufacture of polyarylate resin (Resin-8)~(Resin-11)]
In the manufacture of polyarylate resin (Resin-8)~(Resin-11), in addition to by raw material (aromatic dicarboxylic acid and virtue
Fragrant race's glycol) substance amount be changed to respectively it is comparable with the molar fraction in chemical formula (Resin-8)~(Resin-11)
Other than the amount of substance, operated in the same manner as polyarylate resin (Resin-5), produce respectively polyarylate resin (Resin-8)~
(Resin-11) it manufactures.
Next, using proton NMR spectrometer (Japan Spectroscopy Corporation manufactures, 300MHz), to what is produced
Polyarylate resin (Resin-1)~(Resin-11's)1H-NMR collection of illustrative plates measures.Use CDCl3As solvent.Use tetramethyl
Base silane (TMS) is used as internal standard compound.Wherein, as representative examples with polyarylate resin (Resin-5).Following presentation polyarylate resin
(Resin-5) chemical displacement value.
Polyarylate resin (Resin-5)：1H-NMR (300MHz, CDCl3) δ=8.81 (s, 1H), 8.26 (d, 1H), 8.20
(d, 2H), 8.09 (d, 1H), 7.74-7.80 (m, 2H), 7.28-7.48 (m, 7H), 6.99-7.18 (m, 7H), 2.11-2.18
(m, 6H)
By chemical displacement value, confirmation has obtained polyarylate resin (Resin-5).For other polyarylate resins
(Resin-1)~(Resin-4) and (Resin-6)~(Resin-11), by chemical displacement value, confirm respectively as being also
Polyarylate resin (Resin-1)~(Resin-4) and (Resin-6)~(Resin-11) are obtained.
[binding resin (Resin-A)~(Resin-E)]
Prepare binding resin (Resin-A)~(Resin-E).Binding resin (Resin-A)~(Resin-E) is respectively by changing
Formula (Resin-A)~(Resin-E) is indicated.
【Change 18】
[manufacture of photoreceptor (A-1)]
Hereinafter, being illustrated to the manufacture of the photoreceptor (A-1) involved by embodiment 1.
By 5 mass parts of charge producing agent (CGM-1), as 50 mass of triphenylamine derivative (HT1-1) of cavity conveying agent
Part, 35 mass parts of electron transporting agent (ET1-1), as 100 mass parts of polyarylate resin (R-1) of binding resin and as solvent
750 mass parts of tetrahydrofuran be put into container.Using ball mill, mixing in 50 hours is carried out to the content of container, makes material
Material dispersion is in a solvent.Photosensitive layer coating fluid is obtained as a result,.In the aluminum drum type supporter (diameter as conductive base
30mm, overall length 238.5mm) on, it is coated with upper photosensitive layer coating fluid using dip coating.The photosensitive layer coating fluid in coating is set to exist
100 DEG C of heated-air dryings for carrying out 40 minutes.Single-layer type photosensitive layer (35 μm of film thickness) is formed on conductive base as a result,.It is tied
Fruit obtains photoreceptor (A-1).
[photoreceptor (A-2)~(A-22) and photoreceptor (B-1)~(B-7)]
Other than following item, photoreceptor is manufactured by the same method with photoreceptor (A-1).Described in table 1
Charge producing agent replaces charge producing agent (CGM-1).Electron transporting agent (ET1-1) is replaced using the electron transporting agent described in table 1.
Triphenylamine derivative (HT1-1) is replaced using the cavity conveying agent described in table 1.Poly- virtue is replaced using the binding resin described in table 1
Ester resin (R-1).Photoreceptor (A-2)~(A-22) and photoreceptor (B-1)~(B-7) are obtained as a result,.
[performance evaluation of photoreceptor]
(evaluation of sensitivity characteristic and transfer memory)
Sensitivity characteristic is carried out to each of photoreceptor (A-1)~(A-22) and (B-1)~(B-7) and transfers memory
Evaluation.
Photoreceptor is installed to image forming apparatus (Kyocera Document Solutions Inc. manufactures " FS-C5250DN ")
In.In the image forming apparatus, apply the way of contact charged roller of DC voltage as electro-mechanical part.In addition, the image forms dress
It sets using the intermediate transfer mode being directly transferred to toner image on intermediate transfer band.The surface of charged roller is equipped with charging property
Sleeve, charging property sleeve are formed by the charging property rubber that main composition material is epichlorohydrin resin.Adjust electro-mechanical part
Electrified voltage, with it is non-exposed when the electric potential (gutter current potential Vs) of the corresponding photoreceptor in development section position be set
For+570V.Using Kyocera Document Solutions Inc.'s sale " kyocera office information system brand paper VM-A4 ", (A4 is big
It is small), as recording medium.Measuring environment is 23 DEG C of temperature and relative humidity 50%RH.
Then, using bandpass filter, monochromatic light is taken out from the white light of halogen lamp.The monochromatic light of taking-up is wavelength
780nm, half width 20nm and 0.5 μ J/cm of light energy2Laser, when being exposed with the monochromatic light, measure and developing location phase
The electric potential of corresponding photoreceptor.The exposure area surface potential measured is denoted as sensitivity current potential VL(unit：V).It measures
The non-exposed areas surface potential gone out is denoted as gutter current potential V3(unit：V).In addition, sensitivity current potential VLWith gutter current potential V3
It is measured in the state of closing transfer bias.Then, the transfer bias of application -2kV, in the shape for opening transfer bias
Under state, the surface potential of non-exposed areas (gutter) is measured.The surface potential of gained non-exposed areas (gutter) is denoted as sky
White portion current potential V4.Use mathematical expression " transfer memory current potential Δ Vtc=V4-V3", according to the V of gained3And V4, obtain transfer memory electricity
Position Δ Vtc (units：V).
Gained sensitivity current potential VLIt is shown in Table 1 below with transfer memory current potential Δ Vtc.In addition, sensitivity current potential VLValue get over
It is small, indicate that the sensitivity characteristic of photoreceptor is more excellent.The absolute value of transfer memory current potential Δ Vtc is smaller, indicates transfer memory
Generation is preferably inhibited.
(evaluation of image failure)
The evaluation of image failure is carried out to each of photoreceptor (A-1)~(A-22) and (B-1)~(B-7).
Photoreceptor is installed to image forming apparatus (Kyocera Document Solutions Inc. manufactures " FS-C5250DN ")
In.In the image forming apparatus, apply the way of contact charged roller of DC voltage as electro-mechanical part.In addition, the image forms dress
It sets using the intermediate transfer mode being directly transferred to toner image on intermediate transfer band.The surface of charged roller is equipped with charging property
Sleeve, charging property sleeve are formed by the charging property rubber that main composition material is epichlorohydrin resin.Adjust electro-mechanical part
Electrified voltage, with it is non-exposed when the electric potential (gutter current potential Vs) of the corresponding photoreceptor in development section position be set
For+570V.Using laser as exposure light used.The laser is taken out from the white light of halogen lamp using bandpass filter
Monochromatic light (wavelength 780nm, half width 20nm and 0.5 μ J/cm of light energy2).Use Kyocera Document Solutions Inc.
It sells " kyocera office information system brand paper VM-A4 " (A4 sizes), as recording medium.Measuring environment is 23 DEG C of temperature and phase
To humidity 50%RH.
First, in order to make photoreceptor the operation is stable of valuator device, printing experiment is carried out.Printing experiment is continuous 1 hour
The experiment of print pattern (image color 40%) on the recording medium.Then, evaluation image is made.With reference to Fig. 4, evaluation is used
Image illustrates.Fig. 4 indicates evaluation image 70.Evaluation image 70 contains region 72 and region 74.Region 72 is suitable
In the region enclosed as supporting body 1.Contain image 76 in region 72.Image 76 is by square solid image (image color 100%)
It constitutes.Region 74 is comparable to the region enclosed as supporting body 1.Contain image 78 in region 74.Image 78 is by whole face half tone image
(image color 12.5%) is constituted.It is initially formed the image 76 in region 72, then the image 78 of forming region 74.Image 76 is phase
When the image enclosed in photoreceptor 1, image 78 is comparable to the image of lower 1 circle on the basis of 1 circle for forming image 76.
Visual observations evaluation image confirms that whether there is or not images corresponding with image 76 in region 74.Wherein, visual observations are
Refer to by the observation (visually observing) of naked eyes or by magnifying glass (10 times of multiplying power of scaling, the manufacture of TRUSCO companies, TL-
SL10K observation (amplification sem observation)).Confirm that whether there is or not image failure (afterimage of image) caused by transfer memory occurs.Whether there is or not hairs
Raw afterimage of image is evaluated based on following benchmark.Gained evaluation result is shown in Table 1 below.In addition, evaluation A~C is as qualified.
(evaluation criteria of afterimage of image)
Evaluate A (very good)：Observe by the naked eye and amplify sem observation all do not confirm completely it is corresponding with image 76
Afterimage of image.
Evaluate B (good)：It observes by the naked eye and does not confirm afterimage of image corresponding with image 76, by amplifying sem observation
Slightly confirm.
Evaluate C (common)：It observes by the naked eye and slightly observes afterimage of image corresponding with image 76.
Evaluate D (poor)：It observes by the naked eye and clearly confirms afterimage of image corresponding with image 76.
Table 1 indicates the structure and evaluation result of photoreceptor (A-1)~(A-22) and photoreceptor (B-1)~(B-7).In table 1,
The molecular weight of polyarylate resin is viscosity average molecular weigh.In table 1, the HT-1~HT-7 and HT-8 on " type of cavity conveying agent " column
~HT-9 indicates triphenylamine derivative (HT-1)~(HT-7) and cavity conveying agent (HT-8)~(HT-9) respectively." electron transport
ET1-1~the ET5-1 on the type of an agent " column indicates electron transporting agent (ET1-1)~(ET5-1) respectively.In table 1, " binding resin
Type " column R-1~R-11 and R-A~R-E indicate respectively polyarylate resin (Resin-1)~(Resin-11) and bond
Resin (Resin-A)~(Resin-E).CGM-1~the CGM-2 on " type of charge producing agent " column indicates that charge generates respectively
Agent (CGM-1)~(CGM-2).
【Table 1】
As shown in table 1, in photoreceptor (A-1)~(A-22), photosensitive layer is single-layer type photosensitive layer.Photosensitive layer contains charge production
Raw agent, cavity conveying agent, electron transporting agent and binding resin.Cavity conveying agent is in triphenylamine derivative (HT-1)~(HT-7)
One.Triphenylamine derivative (HT-1)~(HT-7) is indicated by general formula (HT).Binding resin is polyarylate resin (R-
1) one in~(R-11).Polyarylate resin (R-1)~(R-11) is indicated by general formula (1).As shown in table 1, photosensitive
In body (A-1)~(A-22), transfer memory current potential Δ Vtc be -20V or more -9V hereinafter, the evaluation result of image be A (very
It is good) or B (good).
As shown in table 1, in photoreceptor (B-1)~(B-7), photosensitive layer is single-layer type photosensitive layer.Photosensitive layer contains charge production
Raw agent, cavity conveying agent, electron transporting agent and binding resin.Specifically, in photoreceptor (B-1)~(B-2), photosensitive layer contains
Cavity conveying agent (HT-8) or (HT-9).Cavity conveying agent (HT-8) and (HT-9) are not that the triphenylamine that general formula (HT) indicates spreads out
Biology.In photoreceptor (B-3)~(B-7), photosensitive layer contains a kind of bonding in binding resin (Resin-A)~(Resin-E)
Resin.Binding resin (Resin-A)~(Resin-E) is not the polyarylate resin that general formula (1) indicates.As shown in table 1, photosensitive
In body (B-1)~(B-7), transfer memory current potential Δ Vtc is -66V or more -40V hereinafter, the evaluation result of image is D (poor).
From table 1 it is clear that photoreceptor (photoreceptor (A-1)~(A-22)) involved by first embodiment with
Photoreceptor (B-1)~(B-7) is compared, and the absolute value of transfer memory current potential is small, and the evaluation result of image is excellent.Therefore, of the invention
Involved photoreceptor obviously can inhibit the generation that transfer is remembered.In addition, the image involved by second embodiment forms dress
It sets (image forming apparatus for being mounted with any one of photoreceptor (A-1)~(A-22) photoreceptors) and is mounted with photoreceptor
(B-1) image forming apparatus of any one of~(B-7) photoreceptors is compared, and the evaluation result of image is excellent.Therefore, this hair
Bright involved image forming apparatus obviously can inhibit the generation of image failure.
Claims (10)
1. a kind of Electrophtography photosensor, has conductive base and photosensitive layer, which is characterized in that
The photosensitive layer is single-layer type photosensitive layer,
The photosensitive layer contains charge producing agent, cavity conveying agent, electron transporting agent and binding resin,
The cavity conveying agent contains triphenylamine derivative,
The triphenylamine derivative by general formula (HT) indicate,
The binding resin contains polyarylate resin,
The polyarylate resin by general formula (1) indicate,
【Change 1】
In the general formula (1),
Q1、Q2、Q3And Q4It is respectively independent, indicate hydrogen atom or methyl,
R and s indicates 0 or more 49 integer below,
T and u indicates 1 or more 50 integer below,
R+s+t+u=100,
R+t=s+u,
R and t each other can be identical or different,
S and u each other can be identical or different,
X is by chemical formula (2A), chemical formula (2B), chemical formula (2C), chemical formula (2D), chemical formula (2E) or chemical formula (2F)
The bilvalent radical of expression,
Y is the divalent indicated by chemical formula (4A), chemical formula (4B), chemical formula (4C), chemical formula (4D) or chemical formula (4E)
Base,
X and Y are different from each other,
【Change 2】
【Change 3】
In the general formula (HT),
R1、R2And R3It is respectively independent, indicate the base selected from the group that C1-C4 alkyl and C1-C4 alkoxies are constituted,
K, p and q is respectively independent, indicates 0 or more 5 integer below,
M1 and m2 is respectively independent, indicates 1 or more 3 integer below,
In the case where k indicates 2 or more integer, several R1Each other can be identical or different,
In the case where p indicates 2 or more integer, several R2Each other can be identical or different,
In the case where q indicates 2 or more integer, several R3It each other can be identical or different.
2. Electrophtography photosensor according to claim 1, which is characterized in that
The polyarylate resin is by chemical formula (Resin-1), chemical formula (Resin-2), chemical formula (Resin-3), chemical formula
(Resin-4), chemical formula (Resin-5), chemical formula (Resin-6), chemical formula (Resin-7), chemical formula (Resin-8), change
Formula (Resin-9), chemical formula (Resin-10) or chemical formula (Resin-11) expression,
【Change 4】
【Change 5】
【Change 6】
3. Electrophtography photosensor according to claim 1 or 2, which is characterized in that in the general formula (1),
In the case where s indicates 0,
Y is the bilvalent radical indicated by the general formula (4A), the general formula (4B) or the general formula (4C),
In the case where s indicates 1 or more integer,
X is the bilvalent radical indicated by the general formula (2A), the general formula (2B) or the general formula (2C),
Y is the bilvalent radical indicated by the general formula (4A), the general formula (4B) or the general formula (4C).
4. Electrophtography photosensor according to claim 1 or 2, which is characterized in that
In the general formula (HT),
R1Indicate the base selected from the group that the C1-C4 alkoxies and the C1-C4 alkyl are constituted,
K indicates 1 or 2,
In the case where k indicates 2,2 R1Each other can be identical or different,
P and q indicates 0,
M1 and m2 indicates 2 or 3.
5. Electrophtography photosensor according to claim 1 or 2, which is characterized in that
The cavity conveying agent is by chemical formula (HT-1), chemical formula (HT-2), chemical formula (HT-3), chemical formula (HT-4), chemistry
Formula (HT-5), chemical formula (HT-6) or chemical formula (HT-7) expression,
【Change 7】
6. Electrophtography photosensor according to claim 1 or 2, which is characterized in that
The electron transporting agent by general formula (ET1), general formula (ET2), general formula (ET3), general formula (ET4) or general formula (ET5) indicate,
【Change 8】
In the general formula (ET1),
R11And R12Indicate C1-C6 alkyl,
In the general formula (ET2),
R13、R14、R15And R16Indicate C1-C6 alkyl,
In the general formula (ET3),
R17And R18It is respectively independent, indicate that C6-C14 aryl, the C6-C14 aryl can have 1 or several C1-C3 alkyl
Substituent group,
In the general formula (ET4),
R19And R20Indicate C1-C6 alkyl,
R21Indicate that C6-C14 aryl, the C6-C14 aryl can have 1 or several halogen atoms,
In the general formula (ET5),
R22、R23、R24And R25Indicate C1-C6 alkyl.
7. Electrophtography photosensor according to claim 6, which is characterized in that
The electron transporting agent by chemical formula (ET1-1), chemical formula (ET2-1), chemical formula (ET3-1), chemical formula (ET4-1) or
Person's chemical formula (ET5-1) expression,
【Change 9】
8. Electrophtography photosensor according to claim 1 or 2, which is characterized in that
The charge producing agent is X-type metal-free phthalocyanine or Y-shaped oxygen titanium phthalocyanines pigment.
9. a kind of handle box,
Has Electrophtography photosensor described in claims 1 or 2.
10. a kind of image forming apparatus, has：
As supporting body；
Electro-mechanical part makes the surface as supporting body charge；
Exposure portion is exposed the surface as supporting body charged, on the surface as supporting body
Upper formation electrostatic latent image；
The latent electrostatic image developing is toner image by development section；And
Transfer section, by the toner image from described as being transferred on transfer article on supporting body,
It is characterized in that,
It is described as supporting body is Electrophtography photosensor described in claims 1 or 2,
The electrification polarity of the electro-mechanical part is positive polarity,
The electro-mechanical part is made described by applying DC voltage while being contacted with the surface as supporting body
As supporting body the surface charge,
The transfer article is recording medium,
When the surface as supporting body is contacted with the transfer article, the transfer section turns the toner image
It prints on the transfer article.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-012957 | 2017-01-27 | ||
| JP2017012957A JP6624093B2 (en) | 2017-01-27 | 2017-01-27 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108363276A true CN108363276A (en) | 2018-08-03 |
| CN108363276B CN108363276B (en) | 2021-10-22 |
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| CN201711416856.7A Expired - Fee Related CN108363276B (en) | 2017-01-27 | 2017-12-25 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus |
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| JP (1) | JP6624093B2 (en) |
| CN (1) | CN108363276B (en) |
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| JP2004133469A (en) * | 2002-10-09 | 2004-04-30 | Samsung Electronics Co Ltd | Electrophotographic photoreceptor for wet development, electrophotographic image forming apparatus, and electrophotographic cartridge |
| JP2005215572A (en) * | 2004-02-02 | 2005-08-11 | Canon Inc | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus |
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| CN104211606A (en) * | 2013-05-31 | 2014-12-17 | 京瓷办公信息系统株式会社 | Triphenylamine derivative, method for manufacturing the same, and electrophotographic photosensitive member |
| JP2016224108A (en) * | 2015-05-27 | 2016-12-28 | 京セラドキュメントソリューションズ株式会社 | Positively-charged single-layer electrophotographic photoreceptor, process cartridge, and image forming apparatus |
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2017
- 2017-01-27 JP JP2017012957A patent/JP6624093B2/en not_active Expired - Fee Related
- 2017-12-25 CN CN201711416856.7A patent/CN108363276B/en not_active Expired - Fee Related
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| JP2000131858A (en) * | 1998-10-27 | 2000-05-12 | Fuji Xerox Co Ltd | Electrophotographic photoreceptor and electrophotographic device using the same |
| JP2004133469A (en) * | 2002-10-09 | 2004-04-30 | Samsung Electronics Co Ltd | Electrophotographic photoreceptor for wet development, electrophotographic image forming apparatus, and electrophotographic cartridge |
| JP2005215572A (en) * | 2004-02-02 | 2005-08-11 | Canon Inc | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus |
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| CN103792803A (en) * | 2012-10-31 | 2014-05-14 | 京瓷办公信息系统株式会社 | Single-layer-type electrophotographic photosensitive member and image forming apparatus |
| CN104211606A (en) * | 2013-05-31 | 2014-12-17 | 京瓷办公信息系统株式会社 | Triphenylamine derivative, method for manufacturing the same, and electrophotographic photosensitive member |
| JP2016224108A (en) * | 2015-05-27 | 2016-12-28 | 京セラドキュメントソリューションズ株式会社 | Positively-charged single-layer electrophotographic photoreceptor, process cartridge, and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6624093B2 (en) | 2019-12-25 |
| JP2018120161A (en) | 2018-08-02 |
| CN108363276B (en) | 2021-10-22 |
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