CN102262363B - Image forming device - Google Patents
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- CN102262363B CN102262363B CN 201010259568 CN201010259568A CN102262363B CN 102262363 B CN102262363 B CN 102262363B CN 201010259568 CN201010259568 CN 201010259568 CN 201010259568 A CN201010259568 A CN 201010259568A CN 102262363 B CN102262363 B CN 102262363B
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Abstract
The invention relates to an image forming device. In the image forming device, the abrasion resistance of a photoreceptor is improved and the generation of defective images is prohibited. The invention provides the image forming device equipped with the electro photographic photoreceptor functioning as an image carrier, toner containing at least resin, colorant, mold release agent and silica, a developing part using the above toner and an electrified roller exerting voltage on the surface of the electro photographic photoreceptor. By using resin of copolymerization polycarbonate resin in the following formula as the binder resin contained in a photosensitive coating of the electro photographic photoreceptor and adjusting the contend of silica in the toner to be 2.5% to 6% by mass, the generation of defective images can be prohibited.
Description
Technical field
The present invention relates to the image processing system that the bad generation of image is inhibited.Even particularly relate to the electro-mechanical part that uses the contact electrification mode, also be difficult for scratching or damage the hot sticky bad image processing system be inhibited of image that waits of toner.
Background technology
The Electrophtography photosensor of the image processing system of electrofax mode has inorganic photoreceptor and Organophotoreceptor, inorganic photoreceptor possesses the photographic layer that contains the inorganic material such as selenium, and Organophotoreceptor possesses the photographic layer of organic materials such as mainly containing resin glue, charge generating, charge transport agent.
Compare with inorganic photoreceptor, because Organophotoreceptor easily manufactures, can select from the material of wide region the degree of freedom of material, design of photographic layer high, be used widely so possess the image processing system of Organophotoreceptor.
On the other hand, consider from the long lifetime of realizing photoreceptor, the purpose of considering working environment in recent years, in order to suppress the ozone generating of photoreceptor when charged, as making the charged method of photoreceptor, adopt the situation of contact electrification mode to increase.
Yet, although Organophotoreceptor has above-mentioned advantage, on the other hand, because common organic material is mostly soft material, so easy to wear because of Reusability, while using the electro-mechanical part of the contact electrification modes such as charged roller, there is the problem of photosensitive surface noticeable wear.
Therefore, for the image processing system of the electro-mechanical part that adopts the contact electrification mode, the wearability of photoreceptor is improved and carried out numerous research.
Yet, when Organophotoreceptor is not easy to wear, photosensitive surface does not upgrade because of wearing and tearing, therefore toner or the contained composition of toner as developer easily remains on photosensitive surface, has the bad problems of image such as image color is abnormal, stitching (image contamination of striated) easily occur.Therefore, the image processing system that the generation that mar proof improves and image is bad of hope exploitation photoreceptor is inhibited.
The method of the problem related to for the image processing system that solve to adopt charged roller as electro-mechanical part, for example proposed the surface of photoreceptor (image-carrier) is supplied with the method for the image-carrier protecting agent that contains fatty acid metal salts and boron nitride in patent documentation 1 (TOHKEMY 2010-039304).
Yet, while utilizing the method that patent documentation 1 puts down in writing, need in image processing system, arrange to supplying with protectant parts of photosensitive surface near photoreceptor.
Therefore, while utilizing the image processing system that patent documentation 1 puts down in writing, manufacturing cost raises, and hinders the miniaturization of image processing system, so can not be applicable to the miniaturization of image processing system, the market demands of cheap.Thus, hope need not be to the additional special parts of image processing system, and solve the method for the problem of the bad generation of mar proof problem, the image of photoreceptor.
Summary of the invention
The present invention proposes in view of the above problems, and its purpose is, provide without the special parts that add the wearing and tearing for preventing photoreceptor, and the image processing system that the generation that the mar proof of photoreceptor improves, image is bad is inhibited.
A scheme of the present invention is found, at the Electrophtography photosensor possessed as image-carrier, at least contain resin, colorant, the toner of release agent and silicon dioxide, use the development section of this toner, with the Electrophtography photosensor surface is executed in the image processing system of alive charged roller, use forms the Electrophtography photosensor of the photographic layer that contains specific resin glue on conductive base, make the dioxide-containing silica in toner is 2.5 quality %～6 quality % in the quality of toner, the mar proof of photoreceptor improves thus, the bad generation of image is inhibited.
The accompanying drawing explanation
The figure that Fig. 1 is the laminated-type photoreceptor structure that means to use in image processing system of the present invention.
The figure that Fig. 2 is the single-layer type photoreceptor structure that means to use in image processing system of the present invention.
Fig. 3 is the schematic diagram of an example of expression image processing system of the present invention.
Symbol description
10 laminated-type photoreceptors
10 ' has the laminated-type photoreceptor of bottom
11 conductive bases
12 charge generating layers
13 charge transport layers
14 bottoms
20 single-layer type photoreceptors
20 ' has the single-layer type photoreceptor of bottom
21 photographic layers
Embodiment
Image processing system of the present invention is the Electrophtography photosensor possessed as image-carrier, the toner that at least contains resin, colorant, release agent and silicon dioxide, use the development section of above-mentioned toner, and the Electrophtography photosensor surface is executed to the image processing system of alive charged roller.Below, successively Electrophtography photosensor, toner, development section, charged roller, image processing system are described.
[Electrophtography photosensor]
The Electrophtography photosensor (below, sometimes only be designated as photoreceptor) that is used as image-carrier in image processing system of the present invention is Organophotoreceptor.Electrophtography photosensor has single-layer type and laminated-type, and Electrophtography photosensor of the present invention is applicable to any.
And, in the application's instructions and claims, the resin that the photographic layer of the charge transport layer of laminated-type photoreceptor or single-layer type photoreceptor is comprised is called " resin glue ".
In addition, when the charge generating layer of laminated-type photoreceptor comprises resin, the resin that charge generating layer is comprised is called " matrix resin (base resin) ".
Below, successively laminated-type photoreceptor and single-layer type photoreceptor are described.
1, laminated-type photoreceptor
As shown in Fig. 1 (a), laminated-type photoreceptor 10 can be made as follows: form the charge generating layer 12 that contains charge generating on conductive base 11 by methods such as evaporation or coatings; After the coating fluid that then coating comprises charge transport agent and specific resin glue on charge generating layer 12, carry out drying, form charge transport layer 13, making layer die mould photoreceptor 10 thus.
The kind of the Electrophtography photosensor of laminated-type by suitably selecting the charge transport agent is applicable to any one in positively charged and electronegative mode.
In addition, as shown in Fig. 1 (b), preferably, before forming photographic layer, be pre-formed bottom 14 on conductive base 11.This be due to, by bottom 14 is set, can prevent that the charge injection of conductive base 11 sides is to photographic layer, simultaneously photographic layer is glued fast on conductive base 11, covers the lip-deep defect of conductive base 11 and makes the surface smoothing of conductive base 11.
Below, successively conductive base and the photographic layer of laminated-type photoreceptor are described.
[conductive base]
The conductive base used in the laminated-type photoreceptor, if can be used as the conductive base of Electrophtography photosensor, not restriction especially.
Specifically, can enumerate the conductive base etc. that at least forms surface element with the material with electric conductivity, the conductive base that the material with electric conductivity of for example can serving as reasons forms, or the conductive base formed with the surfaces such as material plastic covering material with electric conductivity.
In addition, the material that has electric conductivity can be enumerated such as aluminium, iron, copper, tin, platinum, silver, vanadium, molybdenum, chromium, cadmium, titanium, nickel, palladium, indium, stainless steel, brass etc.
In addition, as the material with electric conductivity, can use a kind of material with electric conductivity, also the two or more combinations of materials with electric conductivity can be used in addition, such as using in modes such as alloys.
In addition, as above-mentioned conductive base, above-mentioned in, preferably by aluminum or aluminum alloy, formed, thereby the photoreceptor that can form better image can be provided.Think that this is because the migration of electric charge from photographic layer to conductive base is good brought.
The shape of conductive base can suitably be selected according to the structure of the image processing system of use, such as the matrix that can preferably use sheet, drum type etc.
[photographic layer]
The material of<formation photographic layer >
The laminated-type photoreceptor consists of the charge transport layer that is formed on the charge generating layer that at least comprises charge generating on conductive base and at least comprises charge transport agent and resin glue, and charge generating layer can comprise matrix resin.
Below, successively resin glue, charge transport agent, charge generating, matrix resin are described.
(resin glue)
In the laminated-type photoreceptor, the resin glue used in charge transport layer is used and contains the copolymerized panlite (following also referred to as resin glue I) meaned by following general formula (I).
In addition, resin glue, more preferably except resin glue I, also contains the resin of the polycarbonate resin (following also referred to as resin glue II) meaned by following general formula (II).
The resin that will contain resin glue I and resin glue II during as resin glue, easily suppresses the crystallization of the contained charge transport agent of charge transport layer, can make the electrical characteristics excellence of photoreceptor.
General formula (I):
[in formula (I), n+m=1,0.35≤m<0.7.W
1for singly-bound ,-O-or-CO-.R
1～R
4be hydrogen atom, alkyl or aryl independently respectively, R
3with R
4bonding forms the ring alkylidene mutually.]
General formula (II):
[in formula (II), p+q=1,0≤p<0.35.W
2for singly-bound ,-O-or-CO-.R
5～R
8be hydrogen atom, alkyl or aryl independently respectively, R
7with R
8bonding forms the ring alkylidene mutually.]
The substituent R that the polycarbonate of the copolymerization polycarbonate of formula (I) or formula (II) has
1～R
8during for alkyl, be preferably the alkyl of carbon number 1～12, the alkyl of carbon number 1～8 more preferably, be particularly preferably the alkyl of carbon number 1～6.
By R
1～R
8the concrete example when substituting group meaned is alkyl can be enumerated methyl, ethyl, n-pro-pyl, isopropyl, normal-butyl, sec-butyl, the tert-butyl group, n-pentyl, isopentyl, tertiary pentyl, neopentyl, n-hexyl, isohesyl, n-heptyl, n-octyl, 2-ethylhexyl, tertiary octyl group, n-nonyl, positive decyl, n-undecane base etc.
In addition, at above-mentioned general formula (I) with (II), R
3with R
4, and R
7with R
8bonding forms ring mutually.R
3with R
4, and R
7with R
8while forming ring, ring is preferably 4～8 rings, more preferably 5～6 rings.
At above-mentioned general formula (I) with (II), substituent R
1～R
8during for aryl, be preferably phenyl or 2～6 phenyl ring condense the group that forms or be connected to form by singly-bound.
The phenyl ring number that aryl comprises is preferably 1～6, and more preferably 1～3, be particularly preferably 1 or 2.
By R
1～R
8the concrete example when substituting group meaned is aryl can be enumerated phenyl, naphthyl, xenyl, anthryl, phenanthryl, pyrenyl etc.
W in above-mentioned general formula (I)
1singly-bound more preferably, by being used W
1for the resin glue of singly-bound, especially easily obtain the photoreceptor of excellent in wear resistance.
The content of resin glue I in resin glue in charge transport layer, if in the scope that does not hinder the object of the invention without particular limitation of.
The content of resin glue I, with respect to the resin glue total amount, more than being preferably 50 quality %, more preferably more than 60 quality %, more than being particularly preferably 70 quality %.
The resin glue I that contains above-mentioned scope amount by resin glue, can significantly suppress the wearing and tearing of photoreceptor.
During in charge transport layer and with resin glue I and resin glue II, if each resin content in the scope that does not hinder the object of the invention without particular limitation of.
The content of resin glue I, with respect to the content of resin glue II, be preferably 2 times～30 times in quality criteria, more preferably 2.5 times～20 times, is particularly preferably 3 times～10 times.Content by making resin glue I and resin glue II is in above-mentioned scope, can improve the intermiscibility of charge transport agent and resin glue and can not damage the mar proof of photoreceptor, therefore can suppress the crystallization of charge transport agent, obtain the photoreceptor of electrical characteristics excellence.
To the preparation method of resin glue I and resin glue II without particular limitation of.
Resin glue I and resin glue II for example can be according to the preparation methods of known polycarbonate resin, use the bisphenol compound corresponding with above-mentioned general formula (I) and the repetitive (II) put down in writing to prepare.
Only otherwise hinder purpose of the present invention, resin glue I and resin glue II can be used any in random copolymers and segmented copolymer.
In addition, the viscosity average molecular weigh of resin glue I and resin glue II is preferably 5,000～200, and 000, more preferably 20,000～60,000.
Viscosity average molecular weigh by making resin glue is in above-mentioned scope, and resin glue forms suitable hardness, and the charge transport agent is dispersed in resin glue well, obtains thus the photoreceptor of electrical characteristics and excellent in wear resistance.
The viscosity average molecular weigh of polycarbonate resin [M] is by obtaining limiting viscosity [η] with Ostwald viscosimeter, according to the Schnell formula by [η]=1.23 * 10
-4m
0.83calculate.And [η] can be used at 20 ℃ using methylene chloride as solvent, it is 6.0g/dm that the dissolved polycarbonate resin makes its concentration
3and the polycarbonate resin solution obtained is measured.
In charge transport layer, with respect to the total amount of resin glue, the content of resin glue I and resin glue II in the scope that does not hinder the object of the invention without particular limitation of, but more than being preferably 70 quality %, more preferably, more than 90 quality %, be particularly preferably 100 quality %.
The resin glue of charge transport layer also can comprise other resins beyond resin glue I and resin glue II in the scope that does not hinder the object of the invention.
The resin that the resin glue of charge transport layer can contain can be enumerated polyarylate resin, Styrene-Butadiene, styrene-acrylonitrile copolymer, styrene-maleic acid copolymer, acrylic copolymer, the styrene-propene acid copolymer, polyvinyl resin, vinyl-vinyl acetate copolymer, chlorinated polyethylene resin, Corvic, acrylic resin, ionomer resin, vinyl chloride vinyl acetate copolymer, alkyd resin, polyamide, urethane resin, polysulfone resin, diallyl phthalate ester resin, ketone resin, polyvinyl acetal resin, polyvinyl butyral resin, polyether resin, organic siliconresin, epoxy resin, phenolics, carbamide resin, melamine resin, Epocryl and polyurethane-acrylate resin etc.
(charge transport agent)
If the charge transport agent can be used as the charge transport agent that the photographic layer of Electrophtography photosensor comprises, without particular limitation of.
In addition, the charge transport agent can be enumerated cavity conveying agent and electron transporting agent usually.
The cavity conveying agent can be enumerated for example benzidine derivative, 2,5-bis-(4-methylamino phenyl)-1,3,4-
diazole etc.
the pyrazoline compounds such as the carbazole compounds such as styrene compound, Polyvinyl carbazole, organopolysilane compound, 1-phenyl-3-(to dimethylaminophenyl) pyrazoline such as diazoles compound, 9-(4-diethylamino styryl) anthracene, hydrazone compounds, triphenylamine compound, Benzazole compounds,
azole compounds, different
the nitrogenous ring type compounds such as azole compounds, thiazole compound, thiadiazole compound, glyoxaline compound, pyrazole compound, triazole class compounds, fused-polycyclic compounds etc.Among them, be preferably triphenylamine compound, more preferably by following formula (III) or the triphenylamine compound (IV) meaned.
General formula (III):
[in formula (III), R
9～R
15be hydrogen atom, alkyl, alkoxy or aryl independently respectively, be selected from R
11～R
15in adjacency two groups mutually bonding form ring.A means 0～5 integer.]
General formula (IV):
[in formula (IV), R
16～R
23be hydrogen atom, alkyl, alkoxy or aryl independently respectively.B means 0～5 integer, and c means 0～4 integer, and k means 0 or 1.]
The substituent R that the compound that formula (III) or formula (IV) mean has
9～R
23during for alkyl, be preferably the alkyl of carbon number 1～12, the alkyl of carbon number 1～8 more preferably, be particularly preferably the alkyl of carbon number 1～6.
By R
9～R
23the concrete example when substituting group meaned is alkyl can be enumerated methyl, ethyl, n-pro-pyl, isopropyl, normal-butyl, sec-butyl, the tert-butyl group, n-pentyl, isopentyl, tertiary pentyl, neopentyl, n-hexyl, isohesyl, n-heptyl, n-octyl, 2-ethylhexyl, tertiary octyl group, n-nonyl, positive decyl, n-undecane base etc.
In addition, in the compound of formula (III), be selected from R
11～R
15in adjacency two groups mutually bonding form ring.
Be selected from R
11～R
15in two groups of adjacency while forming ring, ring is preferably 4～8 rings, more preferably 5～6 rings.
The substituent R that the compound that formula (III) or formula (IV) mean has
9～R
23during for alkoxy, be preferably the alkoxy of carbon number 1～12, the alkoxy of carbon number 1～8 more preferably, be particularly preferably the alkoxy of carbon number 1～6.
By R
9～R
23the concrete example when substituting group meaned is alkoxy can be enumerated methoxyl, ethoxy, positive propoxy, isopropoxy, n-butoxy, sec-butoxy, tert-butoxy, n-pentyloxy, isoamoxy, tertiary amoxy, neopentyl oxygen, just own oxygen base, dissident's oxygen base, positive heptan oxygen base, n-octyloxy, 2-ethyl hexyl oxy, tertiary octyloxy, positive ninth of the ten Heavenly Stems oxygen base, n-decyloxy, n-undecane oxygen base, n-dodecane oxygen base etc.
The substituent R that the compound that formula (III) or formula (IV) mean has
9～R
23during for aryl, be preferably phenyl or 2～6 phenyl ring condense the group that forms or be connected to form by singly-bound.
The phenyl ring number that aryl comprises is preferably 1～6, and more preferably 1～3, be particularly preferably 1 or 2.
By R
9～R
23the concrete example when substituting group meaned is aryl can be enumerated phenyl, naphthyl, xenyl, anthryl, phenanthryl, pyrenyl etc.
As the electron transporting agent that can preferably use, if can be used as the electron transporting agent that the photographic layer of Electrophtography photosensor comprises, without particular limitation of.
Specifically, can enumerate quinone derivatives such as naphthoquinone derivatives, diphenoquinone, anthraquinone derivative, azo quinone derivative (azoquinone), nitroanthraquinone derivant, dinitroanthraquinone derivant, malononitrile derivant, the thiapyran derivant, the trinitro-thioxanthone derivates, 3,4,5,7-tetranitro-9-Fluorenone derivant, dinitro anthracene derivant, dinitro acridine derivatives, tetracyanoethylene, 2,4,8-trinitro-thioxanthones, dinitro benzene, the dinitro anthracene, dinitro acridine, succinic anhydride, maleic anhydride, dibromomaleic acid acid anhydride etc.
Among them, quinone derivative more preferably.
(charge generating)
The charge generating of using in the photographic layer of laminated-type photoreceptor, if can be used as the charge generating of Electrophtography photosensor, without particular limitation of.
Specifically, can enumerate X-type metal-free phthalocyanine (x-H2Pc), Y-shaped oxygen titanium phthalocyanines (Y-TiOPc), perylene pigment, disazo pigment, dithione pyrrolopyrrole (dithioketo-pyrrolopyrrole) pigment, without metal naphthalene phthalocyanine face metal naphthalene phthalocyanine pigment, square acid color, trisazo pigment, indigo pigment, azulenes
pigment (azulenium pigment), phthalocyanine pigments, the powder of the inorganic light conductive materials such as selenium, selenium-tellurium, selenium-arsenic, cadmium sulfide, amorphous silicon, pyrans
salt, anthanthrene quinones pigment, triphenylmethane pigment, intellectual circle's class pigment, toluene amine pigment, pyrazolines pigment and quinacridine ketone pigment etc.
In addition, charge generating can be used alone or combines two or more the use, in desired zone, to have absorbing wavelength.
Further, image processing system for digit optical systems such as the laser beam printer that particularly uses the light sources such as semiconductor laser or facsimile recorders, the photoreceptor that need to the wavelength region may more than 700nm has light sensitivity, so preferably used phthalocyanine pigments such as metal-free phthalocyanine, titanyl phthalocyanine in above-mentioned charge generating.
And, to the crystal formation of above-mentioned phthalocyanine pigment without particular limitation of, can use the phthalocyanine pigment of various crystal formations.In addition, the image processing system for the simulated optical systems such as electrostatic duplicating machine of using the white light sources such as halide lamp, need to have in visibility region the photoreceptor of light sensitivity, therefore preferably uses such as perylene pigment, disazo pigment etc.
(matrix resin)
When the solution that coating comprises charge generating on conductive base forms charge generating layer, use matrix resin when using charge generating.
The matrix resin used in charge generating layer can be used the resin glue used in charge transport layer, also can use resin glue other resins in addition that use in charge transport layer.
The concrete example of other resins beyond the resin glue that can be used as using in the charge transport layer of matrix resin of charge generating layer, can enumerate bisphenol z-polycarbonate resin, bisphenol Z C type polycarbonate resin, bisphenol-c type polycarbonate resin, bisphenol A polycarbonate resin etc.
The matrix resin used in charge generating layer can be used alone a kind of or and with two or more.
The method for making of<photographic layer >
Photographic layer in the laminated-type photoreceptor is by conductive base or be formed on the bottom on conductive base lamination charge generating layer and charge transport layer successively and form.
The thickness of the charge generating layer in the laminated-type photoreceptor is preferably 0.1～5 μ m, more preferably 0.1～3 μ m.
In addition, the thickness of charge transport layer is preferably 2～100 μ m, more preferably 5～50 μ m.
If the content of the charge generating in charge generating layer in the scope that does not hinder the object of the invention, without particular limitation of.When charge generating layer forms by the coating coating fluid, the amount of charge generating, with respect to matrix resin 100 mass parts, is preferably 10～500 mass parts, more preferably 30～300 mass parts.
The content of the charge transport agent in charge transport layer, with respect to resin glue 100 mass parts, is preferably below 55 mass parts, and more preferably 5～55 mass parts, be particularly preferably 10～55 mass parts.
And, the total amount of the amount that the amount of charge transport agent is cavity conveying agent in charge transport layer and electron transporting agent.Amount by making the charge transport agent in above-mentioned scope, the laminated-type photoreceptor of the excellent in wear resistance that is easy to get.
The formation method of charge generating layer can be enumerated the vacuum evaporation of charge generating, or coating at least comprises the coating fluid of charge generating, matrix resin and solvent.
As the formation method of charge generating layer, from the evaporation coating device without expensive, masking processing ease aspect, consider, preferably coating at least comprises the coating fluid of charge generating, matrix resin and solvent.In addition, the formation method of charge transport layer can be enumerated the coating fluid that coating at least comprises charge transport agent, resin glue and solvent.
Form the solvent with coating fluid for the preparation of photographic layer, can use in the past and form the various organic solvents with coating fluid for photographic layer.
Specifically, can enumerate the alcohols such as methyl alcohol, ethanol, isopropyl alcohol, butanols; The aliphatic hydrocarbons such as normal hexane, octane, cyclohexane; The aromatic hydrocarbons such as benzene,toluene,xylene; The halogenated hydrocarbons such as methylene chloride, ethylene dichloride, chloroform, phenixin, chlorobenzene; Dimethyl ether, diethyl ether, tetrahydrofuran, two
the ethers such as alkane, dioxa penta ring, glycol dimethyl ether, diethylene glycol dimethyl ether; The ketones such as acetone, MEK, methylisobutylketone, cyclohexanone; The ester such as ethyl acetate, methyl acetate class; N, the non-proton property polar organic solvents such as N-dimethylformaldehyde, DMF, dimethyl sulfoxide.
In the coating fluid that charge generating layer is used or charge transport layer is used, can to the electrofax characteristic, not bring in dysgenic scope, can coordinate existing known various adjuvants, be coupled to suitable adjuvant in coating fluid such as enumerating anti-deterioration agent, softening agent, plastifier, surface modifier, extender, thickening agent, dispersion stabilizer, wax, acceptor, the donors etc. such as antioxidant, radical scavenger, singlet quencher (singletquencher), ultraviolet light absorber.In addition, in order to make the dispersiveness of charge transport agent, charge generating, the flatness on photographic layer surface is good, also can use surfactant, levelling agent etc.
To charge generating layer with or the coating process of the coating fluid used of charge transport layer without particular limitation of, can enumerate such as using the rotary coating machine, apply the machine of smearing, the method for flush coater, coiling rod coating machine, dip coater, scraper etc.
What with said method coating coating fluid, form films by using high-temperature drier or pressure Reduction Dryer etc. to carry out drying, except desolventizing, forms charge generating layer and charge transport layer, and baking temperature is preferably 40～150 ℃.
By filming at said temperature scope inner drying, carry out rapidly removing of solvent, thereby can effectively form charge generating layer and the charge transport layer of uniform thickness.When baking temperature is too high, thermal decomposition occurs in composition that photographic layer comprises sometimes, therefore not preferred.
And bottom can be by by the inorganic particles such as resin, zinc paste or titanium dioxide and solvent, preparing coating fluid, carry out drying after being coated on conductive base by this coating fluid and form.
2, single-layer type photoreceptor
The Electrophtography photosensor used in the present invention from applicable to positively charged and electronegative any one charged mode, photographic layer is simple layer and easily manufacture photoreceptor, interface layer few and on optical characteristics the aspect such as excellent consider, also be preferably formed the single-layer type photoreceptor.
As shown in Fig. 2 (a), single-layer type photoreceptor 20 is single photographic layer 21 to be set on conductive base 11 form.Photographic layer in the single-layer type photoreceptor can be formed: by dissolvings such as charge transport agent, charge generating, resin glue and levelling agents as required or be dispersed in suitable solvent and obtain coating fluid, carry out drying after being coated on conductive base 11 by this coating fluid, form thus photographic layer.
In addition, as shown in Fig. 2 (b), also preferably on conductive base 11, by bottom 14, form photographic layer 21.
Below, successively conductive base and the photographic layer of the single-layer type photoreceptor that uses in image processing system of the present invention are described.
[conductive base]
The matrix that the conductive base used in the single-layer type photoreceptor can be used the material identical by the conductive base with used in above-mentioned laminated-type photoreceptor to form.
In addition, the shape of conductive base can suitably be selected according to the structure of the image processing system of use, for example, can preferably use the matrix of sheet, drum type etc.
[photographic layer]
The material of<formation photographic layer >
The main material that forms the photographic layer in the single-layer type photoreceptor can be enumerated resin glue, charge transport agent and charge generating.
The resin glue that the charge transport layer of resin glue and laminated-type photoreceptor comprises is similarly used the resin that comprises resin glue I.
In addition, the charge transport agent can be used the material identical with the laminated-type photoreceptor with charge generating.
The method for making of<photographic layer >
The photographic layer of single-layer type photoreceptor can be by preparing coating fluid by charge transport agent, charge generating, resin glue and solvent, uses the method identical with the formation method of charge generating layer in the laminated-type photoreceptor and charge transport layer to form.
The consumption of the charge transport agent in the photographic layer of single-layer type photoreceptor, with respect to resin glue 100 mass parts, is preferably below 55 mass parts, and more preferably 5～55 mass parts, be particularly preferably 10～55 mass parts.And, the total amount of the amount that the amount of charge transport agent is cavity conveying agent in photographic layer and electron transporting agent.Amount by making the charge transport agent in above-mentioned scope, the single-layer type photoreceptor of the excellent in wear resistance that is easy to get.
The consumption of the charge generating in the photographic layer of single-layer type photoreceptor, with respect to resin glue 100 mass parts, is preferably 0.01～30 mass parts, and more preferably 0.1～20 mass parts, be particularly preferably 0.4～10 mass parts.Consumption by making charge generating, in above-mentioned scope, can be manufactured the photoreceptor of electrical characteristics excellence, and can not reduce the mar proof of photoreceptor.
The photographic layer thickness of single-layer type photoreceptor, as long as there is the suitable function as photographic layer, without particular limitation of.Specifically, for example be preferably 5～100 μ m, more preferably 10～50 μ m.
[toner]
The toner of the toner used in the present invention at least containing resin, colorant, release agent and silicon dioxide.In addition, the toner used in the present invention can contain the band controling agent as required.Below, successively to resin, colorant, release agent, silicon dioxide, describe with the preparation method of controling agent and toner.
(resin)
In the present invention, the contained resin as toner, only otherwise damage the picture characteristics of image processing system of the present invention, without particular limitation of, can be suitably from select as the various resins of resin for toner in the past.
As the concrete example of resin contained in toner, can enumerate the thermoplastic resins such as polystyrene resins, polyester resin, acrylic resin, styrene-propene acid copolymer, polythylene resin, polypropylene-based resin, vinyl chloride resin, polyamide-based resin, polyurethanes resin, polyvinyl alcohol resin, vinyl ether resinoid, the vinyl-based resin of N-, styrene-butadiene resin.In these resins, from the charging property of the dispersiveness of the colorant to toner, toner, the aspects such as fixation performance of paper using are considered, be preferably polyester resin.
As preferred polyester resin, can enumerate such as the copolyester that the diol component polycondensations such as the dicarboxylic acid compositions such as succinic acid, hexane diacid, decanedioic acid, terephthalic acid (TPA), m-phthalic acid and ethylene glycol, trimethylene, BDO are obtained.
(colorant)
In the present invention, the contained colorant of toner is such as using the black pigments such as acetylene black, dim, nigrosine; The yellow uitramarines such as chrome yellow, zinc yellow, cadmium yellow, iron oxide yellow, mineral fast yellow (mineral fast yellow), nickel titanium yellow, Naples yellow, naphthol yellow S, hansa yellow G, hansa yellow 10G, benzidine yellow G, benzidine yellow G R, quinoline yellow lake, permanent yellow NCG, tartrazine lake; Orange lead chromate, molybdate orange, orange pigments such as solid orange GTR, pyrazolone orange, anti-sulfuration orange, indanthrene brilliant orange RK, Benzidine orange G, indanthrene brilliant orange GK forever; The red pigments such as colcother, cadmium red, red lead, mercuric sulphide cadmium, permanent bordeaux 4R, lithol red, pyrazolone red, Wo Qiuge red (Watchung red) calcium salt, C lake red CAN'T D, bright fuchsin 6B, eosine lake, rhodamine color lake B, alizarine lake, bright fuchsin 3B; The violet pigments such as manganese violet, Fast violet B, methyl violet color lake; The blue pigments such as Prussian blue, cobalt blue, alkali blue lake, Victoria blue color lake, phthalocyanine blue, metal-free phthalocyanine blue, phthalocyanine blue partial oxidation thing, fast sky blue, indanthrene blue BC; The viridine greens such as chrome green, chromium oxide, pigment green B, peacock green color lake, lanal yellow-green G; The Chinese whites such as zinc white, titanium dioxide, stibium trioxide, zinc sulphide, ground barium sulfate, barium carbonate, clay, silicon dioxide, white carbon, talcum, alumina white.
With respect to resin 100 mass parts, the content of the colorant in toner is preferably 1.0～20.0 mass parts, 3.0～10.0 mass parts more preferably.
(release agent)
In the present invention, the contained release agent of toner, in the scope that does not hinder the object of the invention, can be used the various waxes that use in toner in the past.
As the preference of spendable wax in the present invention, can enumerate alkyd ester type waxes and paraffin.The alkyd ester type waxes can be enumerated the natural waxs such as Brazil wax, rice bran wax, montan wax, cerul-ω-hydroxy waxes acid esters, cerul-ω-hydroxyl melissate, melissyl-ω-synthetic waxs such as hydroxyl melissate.Among these waxes, from anti-skew aspect, consider, be preferably the alkyd ester type waxes, more preferably natural wax, more preferably Brazil wax.
In the present invention, the fusing point of the contained wax of toner, if be not limited in the scope that does not hinder the object of the invention, be preferably 80 ℃～95 ℃, more preferably 81 ℃～90 ℃, is particularly preferably 82 ℃～88 ℃.
By using the wax of above-mentioned fusing point, easily suppress the generation of the image deflects such as stitching.
With respect to resin 100 mass parts, the content of the wax in toner is preferably 0.5～15.0 mass parts, 1.0～10.0 mass parts more preferably.
(silicon dioxide)
In the present invention, as additive, use silicon dioxide.
If be used as the silicon dioxide of additive in the scope that does not hinder the object of the invention, be not limited, can suitably select from the silicon dioxide of using for toner.The consumption of silicon dioxide, with respect to the quality of toner, is preferably 2.5 quality %～6 quality %, more preferably 3 quality %～5 quality %.
Consumption by making silicon dioxide, in above-mentioned scope, can obtain the toner of mobility and charged characteristic excellence, can suppress the bad generations of image such as abnormal, stitching of image color simultaneously.
(band controling agent)
The toner used in the present invention can contain with controling agent to control the triboelectric characteristic of toner.Charged polarity with controling agent according to toner, used positively charged to control the band controling agent of use and/or electronegative control use.To the kind with controling agent without particular limitation of, can enumerate metal complex, phenolic condensate, quinacridone, AZO pigments of metal complex, the carbonaphthoic acid derivant of metal complex such as the simple substance of the simple substance of nigrosine, triphenylmethane dye, molybdic acid chelate pigment, rhodamine class dyestuff, alcoxyl base class amine, quaternary ammonium salt, alkylamide, phosphorus or compound, tungsten or compound, fluorine class activating agent, salicylic metal complex, salicyclic acid derivatives, carbonaphthoic acid etc.
(preparation method of toner)
To the preparation method of the toner that uses in the present invention without particular limitation of, can prepare toner by methods such as mixing comminuting method, polymerization, spin processes.When the preparation method of toner is mixing comminuting method, for example be prepared in the following order.
At first, with mixers such as Henschel mixers, by mixing such as above-mentioned resin, colorant, release agent, band controling agents, with after the melting mixings such as biaxial extruder, with comminutors such as hammer-mills, pulverize, obtain powder.By the powder classification obtained, obtain the toner master batch with graders such as airflow classification machines.Add the additive that at least contains silicon dioxide in the toner master batch obtained, with mixing such as Henschel mixers, obtain thus toner.
The carrier that disperses the particulate of the magnet such as iron to form in can also in the toner as above obtained, being engaged in resin particle, form bi-component class toner.
The particle diameter of the toner used in the present invention is preferably 1～10 μ m, and more preferably 2～8 μ m, be particularly preferably 3～7 μ m.The particle diameter of toner can be measured to try to achieve by with Coulter-counter formula size-grade distribution meter, under the 100 μ m of aperture, carrying out 30000 countings.
[development section]
The development section that image processing system of the present invention possesses is supplied with toner to the electrostatic latent image by the photosensitive surface exposure is formed, and by latent electrostatic image developing, is toner image.
The toner image that will form by development section utilizes transfer section to be transferred on transfer printing body.
[charged roller]
As the charged roller of the electro-mechanical part of the way of contact, if make photosensitive surface charged under the state that can contact with photosensitive surface in charged roller, without particular limitation of.
Charged roller can be enumerated under the state for example contacted at the photosensitive surface with the cydariform state, is subordinated to the rotation of Electrophtography photosensor and the charged roller of rotating etc.
The structure of charged roller can be enumerated such as possessing the cored bar that supported by axle rotationally, being formed on the resin bed on cored bar and cored bar being executed to charged roller of alive voltage application portion etc., this charged roller, by utilizing voltage application portion to apply voltage to cored bar, can make photosensitive surface charged by the resin bed on roller surface.
The resin that resin bed in charged roller is used, if can make photosensitive surface charged well, without particular limitation of, can enumerate such as organic siliconresin, urethane resin, silicon modified resin etc.In addition, can in the resin bed of charged roller, coordinate inorganic filling material.
Voltage charged roller applied by voltage application portion is only preferably DC voltage.Compare when charged roller being applied to alternating voltage with the overlapping overlapping voltage formed of DC voltage, when charged roller is only applied to DC voltage, the wear extent of photographic layer has the trend of minimizing.
[image processing system]
If image processing system of the present invention possesses the above-mentioned Electrophtography photosensor as image-carrier, for making the charged roller of surface charging of Electrophtography photosensor, with the latent electrostatic image developing on surface for the being formed on Electrophtography photosensor development section that is toner image, without particular limitation of.
In addition, be preferably the color image forming device of the series system of following use multiple color correctives.At this, the color image forming device of series system is described.
And, in order on each surface, to form toner image by the toner of different colours respectively, the image processing system that possesses Electrophtography photosensor in present embodiment possesses a plurality of image-carriers and a plurality of development section, the plurality of image-carrier is on prescribed direction and establish, the plurality of development section has and each Electrophtography photosensor subtend configuration, load transport toner from the teeth outwards, supply with the toner transported respectively the developer roll on each Electrophtography photosensor surface.
Fig. 3 is the schematic diagram of the image processing system structure of expression embodiment of the present invention.
At this, the color printer 1 of take describes as example.
As shown in Figure 3, this color copy machine 1 has the equipment body 1a of box, and the paper using P that be provided with the sheet feed section 2 of supplying with paper using P in equipment body 1a, will be supplied with by this sheet feed section 2 transport and toner image is transferred in to the image forming part 3 on this paper using P and the unfixed toner image of utilizing this image forming part 3 to be transferred on paper using P is implemented to be fixed on the photographic fixing section 4 that the photographic fixing on paper using P is processed based on view data etc.Further, be provided with the output paper delivery section 5 of the paper using P that processes of photographic fixing that utilized photographic fixing section 4 to implement on equipment body 1a.
Sheet feed section 2 comprises paper feeding cassette 121, gets paper bowl 122, paper feed roller 123,124,125 and resistance roller 126.
Paper feeding cassette 121 is arranged to store the paper using P of various sizes from equipment body 1a dismounting, gets the position, upper left side that paper bowl 122 is arranged on the paper feeding cassette 121 shown in Fig. 2, takes out the paper using P be stored in paper feeding cassette 121 a sheet by a sheetly.
Paper feed roller 123,124,125 will pass out to and use paper-delivering path by the paper using P that gets paper bowl 122 taking-ups, resistance roller 126 is supplied to image forming part 3 with the timing of stipulating after making to pass out to temporary transient wait of paper using P with paper-delivering path by paper feed roller 123,124,125.
In addition, sheet feed section 2 further comprise the equipment body 1a be arranged on shown in Fig. 3 left surface manual pallet (not shown) and get paper bowl 127, this is got paper bowl 127 and takes out and be positioned in the paper using P on manual pallet.The paper using P that paper bowl 127 taking-ups are got in utilization passes out to and uses paper-delivering path by paper feed roller 123,125, by resistance roller 126, with the timing of stipulating, is supplied to image forming part 3.
Image forming part 3 comprises image formation unit 7; Intermediate transfer belt 31, the view data based on from electric transmission such as computing machines by this image formation unit 7 by the toner image primary transfer to its surface (surface of contact); With the second transfer roll 32, by the toner image secondary transfer printing on this intermediate transfer belt 31 to the paper using P sent into from paper feeding cassette 121.
Image formation unit 7 comprises the unit 7K, yellow with unit 7Y, cyan unit 7C and magenta unit 7M for black set successively towards downstream from upstream side (being right side in Fig. 3).Dispose the Electrophtography photosensor of the drum type as image-carrier 37 that can rotate along arrow (clockwise) direction at each unit 7K, 7Y, 7C and 7M middle position separately.And, dispose respectively successively electro-mechanical part 39, exposure section 38, development section 71, not shown cleaning section and except electrical equipment etc. from the rotation direction upstream side around each Electrophtography photosensor 37.
Electro-mechanical part 39 makes along the side face of the Electrophtography photosensor 37 of direction of arrow rotation charged equably.
The electro-mechanical part that possesses this electro-mechanical part 39 is when being used Organophotoreceptor as the Electrophtography photosensor of image-carrier, the wear extent of photographic layer has the trend of increase, but in the present invention due to the photoreceptor that uses excellent in wear resistance, can adopt electro-mechanical part 39, but the advantages such as ozone generating reduction when flexible utilization is charged.
Exposure section 38 is so-called laser scan unit, the all surface irradiation laser of the view data of the personal computer based on from epigyny device (PC) input to the Electrophtography photosensor 37 by electro-mechanical part 39 uniform chargeds forms electrostatic latent image based on view data on Electrophtography photosensor 37.Development section 71 is supplied with toner by the side face of the Electrophtography photosensor 37 to being formed with electrostatic latent image, based on view data, forms toner image.
And, this toner image primary transfer is arrived to intermediate transfer belt 31.Cleaning section is to after finishing to intermediate transfer belt 31 primary transfer at toner image, and the toner that remains in the side face of Electrophtography photosensor 37 is cleaned.
Except electrical equipment after primary transfer finishes, to the side face of Electrophtography photosensor 37 except electricity.Carry out cleaning the side face of the Electrophtography photosensor 37 of processing by cleaning section with except electrical equipment, in order to implement new band electric treatment, towards electro-mechanical part, carried out new band electric treatment.
The banded rotor that intermediate transfer belt 31 is the non junction ring-type, be erected at a plurality of rollers such as driven roller 33, driven voller 34, backing roll 35 and primary transfer roller 36 so that surface (surface of contact) side respectively with the side face butt of each Electrophtography photosensor 37.
In addition, intermediate transfer belt 31 is configured at the primary transfer roller 36 by with each Electrophtography photosensor 37 subtend configurations and is expressed under the state of Electrophtography photosensor 37, by a plurality of rollers, carries out the non junction rotation.
Driven roller 33 carries out rotating drive by drive sources such as stepping motors, be provided for the driving force that intermediate transfer belt 31 non junctions are rotated, driven voller 34, backing roll 35 and primary transfer roller 36 are rotated freely and arrange, the driven rotation along with the non junction rotation of the intermediate transfer belt 31 undertaken by driven roller 33.
The active rotation of these roller 34,35,36 response driven rollers 33 is also carried out driven rotation by intermediate transfer belt 31, middle transfer belt 31 is supported simultaneously.
Primary transfer roller 36 is applied to intermediate transfer belt 31 by primary transfer bias voltage (with the charged opposite polarity polarity of toner), the toner image be formed on each Electrophtography photosensor 37 arrives intermediate transfer belt 31 to repeat coating state transfer printing successively (primary transfer), this intermediate transfer belt 31 is between each Electrophtography photosensor 37 and primary transfer roller 36, and the driving by driven roller 33 is along arrow (counterclockwise) direction rotation.
Secondary transfer roller 32 will be applied to paper using P with the secondary transfer printing bias voltage of toner image opposite polarity.By such processing, primary transfer is transferred to paper using P to the toner image on intermediate transfer belt 31 between secondary transfer roller 32 and backing roll 35, and thus, colored transferred image (unfixed toner image) is transferred to paper using P.
Photographic fixing section 4 implements for the transferred image to be transferred in paper using P by image forming part 3 parts that photographic fixing is processed, comprise warm-up mill 41 and backer roll 42, wherein, warm-up mill 41 is by the heating of heating power body, backer roll 42 is extruded with these warm-up mill 41 subtend configurations and side face the side face that abuts to warm-up mill 41, the transferred image that utilizes secondary transfer roller 32 to be transferred to paper using P by image forming part 3 photographic fixing that the heating by between warm-up mill 41 and backer roll 42 time is carried out by this paper using P is processed, by photographic fixing to paper using P.And the paper using P that has implemented the photographic fixing processing outputs to paper delivery section 5.In addition, in the color printer 1 of present embodiment, the suitable position between photographic fixing section 4 and paper delivery section 5 is equipped with and transports roller 6.
Paper delivery section 5 forms by the top of equipment body 1a of depression color printer 1, is formed with the paper delivery pallet 51 of the paper using P that receives output in the bottom of the recess of this depression.
Form operation by above-mentioned image, color printer 1 forms image on paper using P, the image processing system of above-mentioned series system is owing to possessing above-mentioned Electrophtography photosensor as image-carrier, use above-mentioned toner as the toner of being supplied with by development section, even therefore possess charged roller as electro-mechanical part, also can suppress the wearing and tearing of photoreceptor, suppress the bad generation of image simultaneously, thereby can form suitable image, can obtain the image processing system of the excellent quality of excellent in te pins of durability, image.
[embodiment]
By the following examples the present invention is carried out to more specific description.And the present invention is not implemented example and limits.
[embodiment 1]
(formation of bottom)
To carry out after the surface treatment, by wet type, disperse to utilize the hydrogenated methyl polysiloxane to carry out surface-treated titanium dioxide (TAYCA Co., Ltd. system, SMT-A (preproduction), the equal particle diameter 10nm of number) 2 mass parts with aluminium oxide and silicon dioxide, with 6,12,66,610 quarternary copolymerized polyamides (TORAY Co., Ltd. system, AMILAN CM8000), 1 mass parts, the solvent that use contains methyl alcohol 10 mass parts, butanols 1 mass parts and toluene 1 mass parts, carry out 5 hours dispersion treatment by ball mill and prepare the bottom coating fluid.
After using the filtrator of opening 5 μ m to filter with coating fluid the bottom obtained, with dip coating, by bottom, with coating fluid, be coated on the conductive base become by the aluminum cydariform of diameter 30mm, overall length 246mm, after coating, 130 ℃ of lower thermal treatments 30 minutes, form the bottom of thickness 1.5 μ m on conductive base.
(formation of photographic layer)
By titanyl phthalocyanine (charge generating) 1.5 mass parts, polyvinyl butyral (matrix resin, Deuki Kagaku Kogyo Co., Ltd's system, DENKA BUTYRAL#6000C) 1 mass parts, with the dispersion medium that contains propylene glycol monomethyl ether 40 mass parts and tetrahydrofuran 40 mass parts, mix, carry out 2 hours dispersion treatment with ball mill, prepare the charge generating layer coating fluid.The charge generating layer obtained, is coated on charge generating layer on bottom with coating fluid with dip coating after the filtrator filtration with opening 3 μ m with coating fluid, after coating, processes 5 minutes under 50 ℃, form the charge generating layer of thickness 0.3 μ m.
Then, by cavity conveying agent (HTM-1) 40 mass parts, electron transporting agent (ETM-1) 2 mass parts, resin glue I (Resin-1, viscosity average molecular weigh 51,000) 80 mass parts and resin glue II (Resin-6, viscosity average molecular weigh 49,000) 20 mass parts are dissolved in the solvent that contains tetrahydrofuran 500 mass parts and toluene 200 mass parts, prepare the charge transport layer coating fluid.
By the method identical with charge generating layer, after being applied on charge generating layer by the charge transport layer obtained with coating fluid, under 120 ℃, process 40 minutes, form the charge transport layer of thickness 20 μ m.
(toner preparation example)
Will be as vibrin (the number-average molecular weight Mn=3700 of resin with Henschel mixer, glass transition temperature Tg=62 ℃) 100 mass parts, band controling agent (salicylic metal complex, ボ Application ト ロ Application E-84, ORIENT chemical industry Co., Ltd. system) 1.2 mass parts, colorant (ピ グ メ Application ト Block Le-15:3[ECB-301], Dainichiseika Color Chem's system) 4.0 mass parts and release agent (alkyd ester type waxes, No. 1 powder of Brazil wax, 83 ℃ of fusing points, Co., Ltd. adds rattan foreign firm system) 5.0 mass parts mixing.
By the potpourri obtained biaxial extruder melting mixing, after cooling, with after the shredding machine coarse crushing with sieve that diameter is 2mm, with the board-like comminutor of collision (デ イ ス パ mono-ジ ヨ Application ス バ レ mono-タ, Japanese PNEUMATIC Industrial Co., Ltd system), pulverized, and then use the air classifier classification, obtain thus the toner master batch.
Use cell scaler analyzer (コ mono-Le タ mono-マ Le チ サ イ ザ-3, BECKMANCOULTER company system), under the 100 μ m of aperture, carry out 30000 counting mensuration, the mean grain size of the toner master batch of trying to achieve is 4.0 μ m.
With respect to toner master batch 100 mass parts that obtain, add hydrophobic silica (R972, Japanese AEROSIL Co., Ltd. system, average primary particle diameter 16nm) 2.5 mass parts, stir after 5 minutes cooling with the Henschel mixer of capacity 10L with the rotational speed of 3000 rev/mins.Amount to and repeat (total mixing time 25 minutes) 5 times stirring after 5 minutes cooling operation, obtain toner.
[embodiment 2～14 and comparative example 1～11]
Except the kind by cavity conveying agent (HTM), resin glue I and resin glue II and consumption are changed into the kind and consumption that table 1 puts down in writing, operation forms photoreceptor similarly to Example 1.In addition, the kind that changes to amount that table 1 puts down in writing, wax except the consumption by silicon dioxide becomes the kind that table 1 puts down in writing, and toner is made in operation similarly to Example 1.And, in embodiment 14, grinding time and classification condition are regulated, obtain the toner of particle diameter 6.5 μ m.
In embodiment and comparative example, the HTM-1～HTM-3 be expressed from the next is used in the cavity conveying agent, and electron transporting agent is used the ETM-1 be expressed from the next.
In addition, resin glue I and resin glue II are used the Resin-1～Resin-6 of the repetitive formation be expressed from the next.
[cavity conveying agent]
[electron transporting agent]
[resin glue]
Release agent in embodiment and comparative example is used following wax.
WAX-1: alkyd ester type waxes (83 ℃ of No. 1 powder of Brazil wax, fusing points) WAX-2: paraffin (83 ℃ of C40 パ ラ Off イ Application, Wako Pure Chemical Industries, Ltd.'s system, fusing point)
[Thickness Variation, image is bad and the evaluation of photosensitive surface outward appearance]
The Electrophtography photosensor of making in embodiment and comparative example is assembled to and adopts electronegative discharged-area development technique, possess the printer of selling on the market of charged roller.
Then, the toner prepared in embodiment and comparative example is filled into clean toner cartridge (color: cyan) has been carried out in inside, after being installed in printer by the toner cartridge that is filled with toner, according to following method, the generation bad to Thickness Variation, the image of photoreceptor and the cosmetic variation of photosensitive surface are estimated.
The evaluation result of the generation that Thickness Variation, image are bad and the cosmetic variation of photosensitive surface is as shown in table 1.
<Thickness Variation assay method >
Use the paper of A4 size, carry out continuously 10,000 blank sheet of paper letterings under room temperature environment, to before lettering and the Thickness Variation of photographic layer afterwards measured.
<picture appraisal >
While exporting on the spot image, the situation bad without image be as zero, produce the bad situation conduct of image *.In picture appraisal, it is upper that image (100%) prints to whole of A4 paper using on the spot, by visual, judged.The stitching of the above length of image longitudinal direction 0.8mm exist situation conduct more than 10 *.
<ocular estimate >
The photosensitive surface not situation of adhering toner composition, as ◎, adheres to the situation of a small amount of toner components as zero, adhere to the situation conduct of a large amount of toner components *.
Specifically, the distance with approximate equality on the drum direction of principal axis is divided into to 5 positions (distance drum upper end 41mm, 82mm, 123mm, 164mm, 205mm) that 6 equal portions form by photosensitive surface (2mm * 2mm), by the number of observation by light microscope stitching, carry out thus ocular estimate.
For the mean number at 5 positions, stitching be situation below 10 as ◎, stitching be situation below 50 as zero, stitching surpass 50 the situation conduct *.
[table 1]
* in table 1, for the umber of resin glue, refer to mass parts
As shown in Table 1, in the image processing system of embodiment 1～13, dioxide-containing silica in toner is 2.5～6.0 quality %, possess and use the polycarbonate resin the contain resin glue I photoreceptor as the resin glue of photographic layer, while using the image processing system of this embodiment 1～13, the Thickness Variation of photoreceptor is few, is difficult for producing image bad, does not find that toner components is attached on photosensitive surface.
Dioxide-containing silica in toner is less than in the image processing system of comparative example 1 of 2.5 quality %, and the Thickness Variation of photoreceptor is few, does not find that toner components is attached on photosensitive surface, but produces the abnormal of image color.
In the image processing system of dioxide-containing silica in toner over the comparative example 2 of 6.0 quality %, the Thickness Variation of photoreceptor is few, but toner components easily is attached on photosensitive surface, because the toner components be attached on photosensitive surface produces stitching.
In use does not contain the image processing system of resin as the comparative example 3 of the resin glue of photoreceptor of resin glue I, be difficult for producing image bad, the toner components be attached on photosensitive surface is few, but the photographic layer of photoreceptor produces noticeable wear.
Claims (8)
1. an image processing system, possess the Electrophtography photosensor as image-carrier, at least contains the toner of resin, colorant, release agent and silicon dioxide, use the development section of described toner, with alive charged roller is executed in described Electrophtography photosensor surface, it is characterized in that
Described Electrophtography photosensor is formed with photographic layer on conductive base,
Described photographic layer is:
1) photographic layer that lamination at least contains the charge generating layer of charge generating successively, the charge transport layer that at least contains charge transport agent and resin glue forms, or
2) at least contain the photographic layer of charge generating, charge transport agent and resin glue,
Described resin glue contains the polycarbonate resin meaned by the copolymerized panlite of following general formula (I) expression and following general formula (II),
The content of the polycarbonate resin that the content of the copolymerized panlite that described general formula (I) means means with respect to described general formula (II), count 2 times～30 times with quality criteria,
Described dioxide-containing silica in described toner is 2.5～6 quality % in the quality of toner,
General formula (I):
In formula (I), n+m=1,0.35≤m<0.7, W
1for singly-bound ,-O-or-CO-, R
1～R
4be hydrogen atom, alkyl or aryl independently respectively, R
3with R
4bonding forms ring alkylidene or not mutual bonding mutually,
General formula (II):
In formula (II), p+q=1, p=0, W
2for singly-bound ,-O-or-CO-, R
5～R
8be hydrogen atom, alkyl or aryl independently respectively, R
7with R
8bonding forms ring alkylidene or not mutual bonding mutually.
2. image processing system according to claim 1, wherein, the mean grain size of described toner is 4.5～6.5 μ m.
3. image processing system according to claim 1, is characterized in that, described release agent is the alkyd ester type waxes.
4. image processing system according to claim 2, is characterized in that, described release agent is the alkyd ester type waxes.
5. image processing system according to claim 1, is characterized in that, the resin in described toner is polyester resin.
6. image processing system according to claim 4, is characterized in that, the resin in described toner is polyester resin.
7. image processing system according to claim 1, is characterized in that, in described photoreceptor, the content of described charge transport agent, with respect to the described resin glue of 100 mass parts, is below 55 mass parts.
8. image processing system according to claim 1, is characterized in that, in described photoreceptor, described charge transport agent is the compound that following general formula (III) or general formula (IV) mean,
General formula (III):
In formula (III), R
9～R
15be hydrogen atom, alkyl, alkoxy or aryl independently respectively, be selected from R
11～R
15in the mutual bonding of two groups of adjacency form ring or bonding mutually, a means 0～5 integer,
General formula (IV):
In formula (IV), R
16～R
23be hydrogen atom, alkyl, alkoxy or aryl independently respectively, b means 0～5 integer, and c means 0～4 integer, and k means 0 or 1.
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| JP2010123598A JP5323000B2 (en) | 2010-05-28 | 2010-05-28 | Image forming apparatus |
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| KR102048698B1 (en) * | 2012-06-19 | 2019-11-26 | 이데미쓰 고산 가부시키가이샤 | Polycarbonate copolymer, coating liquid using same, and electrophotographic photoreceptor |
| JP5696130B2 (en) * | 2012-11-30 | 2015-04-08 | 京セラドキュメントソリューションズ株式会社 | LAMINATED ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, IMAGE FORMING APPARATUS, AND LAMINATED ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MANUFACTURING METHOD |
| JP5899159B2 (en) * | 2013-05-31 | 2016-04-06 | 京セラドキュメントソリューションズ株式会社 | Electrophotographic photosensitive member and image forming apparatus |
| JP5990154B2 (en) * | 2013-10-30 | 2016-09-07 | 京セラドキュメントソリューションズ株式会社 | Multilayer electrophotographic photoreceptor |
| JP6424752B2 (en) * | 2015-06-30 | 2018-11-21 | 京セラドキュメントソリューションズ株式会社 | Electrophotographic photosensitive member, process cartridge, and image forming apparatus |
| JP6337858B2 (en) * | 2015-08-31 | 2018-06-06 | 京セラドキュメントソリューションズ株式会社 | LAMINATED ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, LAMINATED ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MANUFACTURING METHOD, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS |
| CN108139699B (en) * | 2015-10-30 | 2021-06-29 | 京瓷办公信息***株式会社 | Electrophotographic photoreceptor |
| WO2017204339A1 (en) * | 2016-05-27 | 2017-11-30 | 出光興産株式会社 | Resin composition, electrophotographic photosensitive material, and electrophotographic device |
| JP7350639B2 (en) | 2019-11-29 | 2023-09-26 | キヤノン株式会社 | Image forming apparatus and image forming method |
| JP7433867B2 (en) | 2019-11-29 | 2024-02-20 | キヤノン株式会社 | Image forming device and process cartridge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155683A (en) * | 1995-02-10 | 1997-07-30 | 佳能株式会社 | Toner for developing electrostatic image, image forming method, developing device and process cartridge |
| CN1171566A (en) * | 1996-06-21 | 1998-01-28 | 富士电机株式会社 | Electrophotographic photosensitive body |
| CN1177123A (en) * | 1996-06-26 | 1998-03-25 | 富士电机株式会社 | Electrophotographic photoconductor |
| CN1326118A (en) * | 2000-05-25 | 2001-12-12 | 富士电机影像器材有限公司 | Electronic camera photoelectric conductor |
| JP2005055534A (en) * | 2003-08-07 | 2005-03-03 | Ricoh Co Ltd | Toner, method for manufacturing the same, developer, toner-containing vessel, process cartridge, image forming apparatus and image forming method |
| CN1928726A (en) * | 2005-09-07 | 2007-03-14 | 京瓷美达株式会社 | Electrophotography photoreceptor |
| JP2007279689A (en) * | 2006-03-17 | 2007-10-25 | Ricoh Co Ltd | Toner and production method thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2568352B2 (en) * | 1991-06-28 | 1997-01-08 | キヤノン株式会社 | Electrophotographic photoreceptor, electrophotographic apparatus and apparatus unit having the same |
| JPH07209893A (en) * | 1994-01-19 | 1995-08-11 | Konica Corp | Image forming method |
| JP3154629B2 (en) * | 1994-11-24 | 2001-04-09 | キヤノン株式会社 | Electrophotographic photoreceptor, electrophotographic apparatus and apparatus unit using the same |
| JP4040207B2 (en) * | 1998-04-30 | 2008-01-30 | キヤノン株式会社 | Image forming method and process cartridge |
| JP3761724B2 (en) * | 1998-10-06 | 2006-03-29 | 富士ゼロックス株式会社 | Image forming method |
| JP4518753B2 (en) * | 2003-03-10 | 2010-08-04 | 富士ゼロックス株式会社 | Image forming method |
| JP4204569B2 (en) * | 2005-03-31 | 2009-01-07 | 京セラミタ株式会社 | Electrophotographic photosensitive member and image forming apparatus |
| JP4918457B2 (en) * | 2007-11-01 | 2012-04-18 | 株式会社リコー | Toner for one-component development |
| JP4778986B2 (en) * | 2008-06-20 | 2011-09-21 | 京セラミタ株式会社 | Electrophotographic photosensitive member and image forming apparatus |
| JP5251421B2 (en) * | 2008-09-29 | 2013-07-31 | 株式会社リコー | Tandem type image forming apparatus, image forming method, and process cartridge |
-
2010
- 2010-05-28 JP JP2010123598A patent/JP5323000B2/en active Active
- 2010-08-19 CN CN 201010259568 patent/CN102262363B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155683A (en) * | 1995-02-10 | 1997-07-30 | 佳能株式会社 | Toner for developing electrostatic image, image forming method, developing device and process cartridge |
| CN1171566A (en) * | 1996-06-21 | 1998-01-28 | 富士电机株式会社 | Electrophotographic photosensitive body |
| CN1177123A (en) * | 1996-06-26 | 1998-03-25 | 富士电机株式会社 | Electrophotographic photoconductor |
| CN1326118A (en) * | 2000-05-25 | 2001-12-12 | 富士电机影像器材有限公司 | Electronic camera photoelectric conductor |
| JP2005055534A (en) * | 2003-08-07 | 2005-03-03 | Ricoh Co Ltd | Toner, method for manufacturing the same, developer, toner-containing vessel, process cartridge, image forming apparatus and image forming method |
| CN1928726A (en) * | 2005-09-07 | 2007-03-14 | 京瓷美达株式会社 | Electrophotography photoreceptor |
| JP2007279689A (en) * | 2006-03-17 | 2007-10-25 | Ricoh Co Ltd | Toner and production method thereof |
Also Published As
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| JP5323000B2 (en) | 2013-10-23 |
| CN102262363A (en) | 2011-11-30 |
| JP2011248249A (en) | 2011-12-08 |
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