CN107193192A - Preparation method, organic light-guide preparation and organic photoconductor that layer plates coating occur for the fine and smooth exciton of output - Google Patents
Preparation method, organic light-guide preparation and organic photoconductor that layer plates coating occur for the fine and smooth exciton of output Download PDFInfo
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- CN107193192A CN107193192A CN201710475119.8A CN201710475119A CN107193192A CN 107193192 A CN107193192 A CN 107193192A CN 201710475119 A CN201710475119 A CN 201710475119A CN 107193192 A CN107193192 A CN 107193192A
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- 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
Abstract
Occur preparation method, organic light-guide preparation and organic photoconductor that layer plates coating present invention is disclosed the fine and smooth exciton of output, comprise the following steps：TiOPc material is crushed using low-temperature and high-speed wet type circulation pulverization process technology；TiOPc and polyvinyl butyral resin after crushing and solvent are mixed, occur layer plating coating using the scattered exciton that obtains of high speed dispersor.Deft design of the present invention, circulated and crushed by low-temperature and high-speed wet type, crushed and during crushing under relatively low basal temperature, the process that the feedstock circulations such as TiOPc are crushed, cooled down, change so as to be prevented effectively to produce the TiOPc that higher temperature causes in basic high temperature and crushing process and send out into crystal formation, the problem of solving the printing hydraulic performance decline of the organic photoconductor thus brought, it is ensured that the sophistication of printing output.
Description
Technical field
The present invention relates to optical conductor field, the exciton for especially exporting exquisiteness occurs the preparation method of layer plating coating, had
Machine light guide preparation and organic photoconductor.
Background technology
Organic photoconductor is the core component of laser printer image output, after photoconductor surface charging, obtains certain electricity
Position, afterwards via the exposure of laser beam, photosensitive layer is subjected to illumination and excited in optical conductor, exciton is formed, in the drive by potential voltage
Under dynamic, exciton dissociation leads bulging surface and forms electrostatic latent image, absorption carbon dust development is fixing by high temperature through being transferred on paper,
Consolidation goes out word and image i.e. on paper.
Organic photoconductor is generally many layer function divergence type layer structures, and its preparation method is coated with multiple generally in alloy aluminium base
Barrier layer plating coating is closed, to form electric charge barrier layer UCL, and the painting of layer plated film occurs for coating exciton on the electric charge barrier layer
Material, forms exciton and occurs layer CGL, occurs coating charge transport layer plating coating on layer CGL in the exciton afterwards, forms electric charge
Transport layer CTL, so as to obtain prepared organic photoconductor product.
In the preparation process that layer occurs for exciton, traditional TiOPc disintegrating process is carried out by the way of ball milling, and one
As carry out at ambient temperature, but because rotating speed is relatively low, Ball-milling Time is long, and prolonged ball milling can also follow temperature
Rise, and TiOPc in mechanical milling process also when have the transformation of crystal formation, cause the printing hydraulic performance decline of organic photoconductor.
The ball milling of short time, especially dry grinding technology, the crystal formation particle diameter distribution of TiOPc are not uniform enough, and fineness reaches
Less than less than 3 microns, it is difficult to reach requirement of the product to its sophistication, specimen page blackness and the resolution distribution printed are inadequate
Uniformly.
Meanwhile, the conventional CGL prepared is inorganic scattered suspension system, and TiOPc is easy to aggregation, and stability is not high, no
It is easily stored.
The content of the invention
The purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, by the powder for improving TiOPc
Broken technique, circulates pulverization process using low-temperature and high-speed wet type and surface protection is handled, so as to provide, a kind of output is fine and smooth to swash
The preparation method that layer plates coating occurs for son, and the organic photoconductor that layer plates coating occurs for the exciton prepared using this method
Preparation method and the organic photoconductor using the organic light-guide preparation.
The purpose of the present invention is achieved through the following technical solutions：
The preparation method that layer plating coating occurs for fine and smooth exciton is exported present invention is disclosed a kind of, is comprised the following steps：
S1, is crushed TiOPc material using low-temperature and high-speed wet type circulation pulverization process technology；
S2, the TiOPc and polyvinyl butyral resin after crushing and solvent are mixed, scattered using high speed dispersor
Occur layer plating coating to exciton.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：In the S1 steps
Low-temperature and high-speed wet type circulation pulverization process include, 0-10 DEG C, pulverizer rotating speed be 100-1000 revs/min under conditions of,
The acceleration shearing force produced using the crushing medium in pulverizer is crushed to TiOPc crystal, while by pulverizer
TiOPc crystal persistently export pulverizer cooling after import the cyclic process of pulverizer again.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The crushing medium
For zirconium pearl, the particle diameter of the zirconium pearl is 0.5-1mm.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The TiOPc
Smashing fineness be nanoscale.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：In the S1 steps
In, in addition to surface protection processing is carried out to the pulverized particles of the TiOPc, the surface protection processing is by wrapping up phthalein
Cyanines oxygen titanium particle is realized with separating intermolecular interaction force.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The surface protection
Processing is the polystyrene and/or its derivative of the addition below formula in the low-temperature and high-speed wet type circulates comminution process
Thing,
Wherein n values between 100-1000.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The polystyrene
Derivative include polystyrene-acrylamide, polystyrene-methacrylamide, polystyrene-propenyl benzene acid amides, polystyrene-
Benzene sulfonic acid base acrylamide.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The TiOPc
Mass ratio with polystyrene is 1：（0.01-0.5）.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：In the S2 steps
In, TiOPc and the polyvinyl butyral resin ratio is 1：1-1.5：1.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：In the S2 steps
In, the solvent is the mixture of butanone and cyclohexanone, and butanone and the cyclohexanone mass ratio is 2：1-5：1.
It is preferred that, the preparation method that layer plates coating occurs for the fine and smooth exciton of described output, wherein：The jitter time
For 25-40 minutes.
Fine and smooth organic light-guide preparation is exported present invention further teaches a kind of, is comprised the following steps：
S10, is coated with electric charge barrier layer plating coating, to form electric charge barrier layer UCL, the electric charge barrier layer in alloy aluminium base
It is to include the solution of nylon resin；
S20, the exciton generation layer plating coating that the above method is obtained is coated with the electric charge barrier layer, exciton is formed and occurs into
Layer CGL；
S30, occurs coating charge transport layer plating coating on layer CGL in the exciton, forms charge transport layer CTL, the electricity
Lotus transport layer CTL is carbonate-containing and m-TPD coating fluid.
It is preferred that, the fine and smooth organic light-guide preparation of described output, wherein：The thickness of the electric charge barrier layer is
0.5-5μm。
It is preferred that, the fine and smooth organic light-guide preparation of described output, wherein：The electric charge barrier layer plates coating
The solvent used is ethanol and isobutanol example 1 in mass ratio：1-6：The mixture of 1 mixing.
It is preferred that, the fine and smooth organic light-guide preparation of described output, wherein：The thickness that layer occurs for the exciton is
0.2-1.0μm。
It is preferred that, the fine and smooth organic light-guide preparation of described output, wherein：The thickness of the charge transport layer is
10-30μm。
It is preferred that, the fine and smooth organic light-guide preparation of described output, wherein：The charge transport layer coating is used
Solvent be dichloromethane and tetrahydrofuran example 1 in mass ratio：1-20：The mixture of 1 mixing.
Fine and smooth organic photoconductor is exported present invention further teaches a kind of, is prepared by above-mentioned organic light-guide preparation
Obtain.
The advantage of technical solution of the present invention is mainly reflected in：
Deft design of the present invention, is circulated by low-temperature and high-speed wet type and crushed, and is crushed and is being crushed under relatively low basal temperature
During, the process that the feedstock circulation such as TiOPc is crushed, cooled down, so as to be prevented effectively from basic high temperature and crushing
During produce the TiOPc that higher temperature causes and send out into crystal formation change, solve the print of the organic photoconductor thus brought
The problem of product hydraulic performance decline, it is ensured that the sophistication of printing output.
Because using zirconium pearl, as crushing medium, therefore, it is possible to greatly improve the rotating speed of pulverizer, one can be received
The smashing fineness of meter level, while grinding time can be reduced, greatly improves crush efficiency, it is to avoid TiOPc is in powder for a long time
Crystal formation occurs under broken state to change.
While crushing, using surface protection measure, TiOPc can be effectively wrapped up, it is to avoid they are because each other
Between interaction force and gather sedimentation so that exciton occur layer plating coating have preferably dispersiveness and stability.
Because the TiOPc after crushing reaches nanoscale, it is thus possible to effective to improve the photo electric that exciton is produced
Energy.
Embodiment
The purpose of the present invention, advantage and feature, will be explained by the non-limitative illustration of preferred embodiment below.This
A little embodiments are only the prominent examples using technical solution of the present invention, all to take skill formed by equivalent substitution or equivalent transformation
Art scheme, all falls within the scope of protection of present invention.
Occur the preparation method that layer plates coating present invention is disclosed the fine and smooth exciton of output, comprise the following steps：
S1, is crushed TiOPc material using low-temperature and high-speed wet type circulation pulverization process technology；The low-temperature and high-speed is wet
Formula circulation pulverization process includes, and is under conditions of 100-1000 revs/min in 0-10 DEG C, pulverizer rotating speed, by equipment from
The strength centrifugal force for turning and being produced when revolving round the sun, makes the crushing medium in container（Zirconium pearl）Acceleration shearing force is produced, to phthalein
Cyanines oxygen titanium crystal is crushed, while importing crushing again after the TiOPc crystal in pulverizer is persistently exported into pulverizer cooling
The cyclic process of machine, the smashing fineness of the final TiOPc crystal is nanoscale.
Due to conventional pulverizer using bead as crushing medium, cause pulverizer rotating speed can be only sustained at it is relatively low
Rotating speed（30-60 turns/min）Under, thereby result in grinding time length, the problem of efficiency is low, once and rotating speed is improved and can made
Into the broken of bead, quality is crushed in influence, and then, preferably the crushing medium is zirconium pearl, the grain of the zirconium pearl in the present invention
Footpath is 0.5-1mm, so as to greatly improve pulverizer rotating speed, grinding time is reduced, while having more preferable smashing fineness.
Because TiOPc is crystal state, when disperseing together with filmogen in a solvent, formation is one uniform
Scattered multiphase suspension system, but the intermolecular coulomb due to the interaction between TiOPc crystal molecule, with other molecules
The factor such as power and the gravity of itself, easily makes TiOPC crystal particles assemble and settle, causes the dispersion of plated film coating stabilization
System is destroyed, and the film forming of coating is deteriorated, so as to cause the printing degradation of optical conductor.
Therefore, in crushing process, in addition to surface protection processing is carried out to the pulverized particles of the TiOPc, it is described
Surface protection processing is realized by wrapping up TiOPc particle to separate intermolecular interaction force.
Specifically, the surface protection processing is to add polyphenyl in low-temperature and high-speed wet type circulation comminution process
Ethene and/or its derivative（Polystyrene）, the formula of the polystyrene is as follows,
Wherein n values between 100-1000, the polystyrene derivative（It is modified）Including polystyrene-acrylamide, gather
Styreneisobutylene acid amides, polystyrene-propenyl benzene acid amides, polystyrene-benzene sulfonic acid base acrylamide, the TiOPc
Mass ratio with polystyrene is 1：（0.01-0.5）.
Because the polystyrene and its derivative that are introduced into can have in crushing process to TiOPc particle
The parcel of effect, separates intermolecular interaction force, and the modification derivant such as polystyrene-acrylamide has polar group simultaneously
Group, can effectively obstruct the aggregation and sedimentation of TiOPc, while increasing the viscosity of coating, to improve the stably dispersing of particle
Property.
S2, the TiOPc and polyvinyl butyral resin after crushing and solvent are mixed, high speed dispersor point is used
Dissipate and obtain exciton generation layer plating coating, wherein, the mass ratio of the TiOPc and polyvinyl butyral resin is 1：
（0.1-5）, the solvent is the mixture of butanone and cyclohexanone, and butanone and the cyclohexanone mass ratio is 2：1-5：1, it is described
Jitter time is preferably 25-40 minutes, more preferably 30 minutes or so.
Invention further discloses the organic light-guide preparation that output is fine and smooth, comprise the following steps：
S10, is coated with electric charge barrier layer plating coating, to form electric charge barrier layer UCL, the electric charge barrier layer in alloy aluminium base
It is to include the solution of nylon resin, the solvent that the electric charge barrier layer plating coating is used is ethanol and isobutanol example in mass ratio
1：1-6：The mixture of 1 mixing.
Layer plating coating occurs for S20, the exciton that coating is obtained using the above method on the electric charge barrier layer, is formed and swashed
Stratification CGL occurs for son.
S30, occurs coating charge transport layer plating coating on layer CGL in the exciton, forms charge transport layer CTL, institute
It is carbonate-containing and m-TPD coating fluid to state charge transport layer CTL, and the solvent that the charge transport layer coating is used is dichloromethane
Alkane and tetrahydrofuran example 1 in mass ratio：1-20：The mixture of 1 mixing.
The present invention has further disclosed the fine and smooth organic photoconductor of output, by above-mentioned organic light-guide preparation system
It is standby to obtain, and the thickness of the electric charge barrier layer is 0.5-5 μm, and the thickness that layer occurs for the exciton is 0.2-1.0 μm, described
The thickness of charge transport layer is 10-30 μm.
The preparation method and composition all same of electric charge barrier layer, charge transport layer used in following embodiments, tool
Body is as follows：
1. electric charge barrier layer plates coating：Nylon resin（Polyamide, purchase is Chinese from Du Pont）50g, 600ml ethanol,
350ml isobutanols, are made into the coating that solid is about 5.0%, and 0.5 μm of thick coating is coated with drum base, that is, form electric charge resistance
Barrier.
2. charge transport layer coating：m-TPD（Buy from DOW Chemical）150g, makrolon（Purchase is Chinese from Du Pont）
350g, high-purity silicone oil（Purchase is Chinese from Du Pont）1g, toner（Buy from DOW Chemical）1g, dichloromethane 1500ml and tetrahydrochysene
Furans 500ml, it is about 20% coating to be made into solid.Produced in carrier and 20-22 μm of thick coating is coated with layer, that is, form electricity
Lotus transport layer.
Embodiment 1
Layer plating coating occurs for exciton：First by Y type high sensitivity TiOPcs（Customization）13.3g, polystyrene 0.13, butanone
500ml, according to above-mentioned rotating speed and temperature, carries out attrition grinding, and make powder with the speed of setting using low temperature wet crushing mill
Imported again in pulverizer after material export cooling in broken machine, grinding time is 2h, is filtered out afterwards, adds polyvinyl butyral resin
Resin（Purchase is Chinese from Du Pont）26.7g, butanone 415ml and cyclohexanone 45ml, are disperseed using high speed dispersor, when disperseing
Between 30min, it is about 4.0% coating to be made into solid, and is coated with about 0.5 μm of thick above-mentioned coating on carrier barrier layer, i.e.,
Form exciton and occur layer.
Comparative example 1
Layer plating coating occurs for exciton：Polyvinyl butyral resin（Purchase is Chinese from Du Pont）26.7g, Y type high sensitivity phthalocyanine
Oxygen titanium（Customization）13.3g, butanone 915ml and cyclohexanone 45ml, using ball mill, ball milling 5h, it is about 4.0% painting to be made into solid
Material.About 0.5 μm of thick coating is coated with carrier barrier layer, that is, forms exciton and occurs layer.
Finally it is coated with after above-mentioned three layer coating, OPC drum appearance colors are light blue transparent, and test performance after charging is right
Ratio 1 and embodiment 1 are respectively：
Average particle size distribution 581nm, 346nm,
Average particle size distribution 894nm, 510nm after 15 days,
Printing head original text color densities instrument test blackness is respectively 1.44,1.45,
Blackness value 1.38,1.40 after the continuous life-span page 2500,
Particle diameter is contrasted, the performance of embodiment 1 is better than comparative example 1.
Embodiment 2
Layer plating coating occurs for exciton：First by Y type high sensitivity TiOPcs（Customization）39.6g, polystyrene 0.8, butanone
500ml, the conditions such as speed are exported according to above-mentioned rotating speed, temperature and material, and attrition grinding, powder are carried out using low temperature wet crushing mill
The broken time is 2h, is filtered out afterwards, adds polyvinyl butyral resin（Purchase is Chinese from Du Pont）0.4g, butanone 415ml and ring
Hexanone 45ml, carries out scattered 30min, it is about 4.0% coating to be made into solid using high speed dispersor.On carrier barrier layer
About 0.5 μm of thick coating is coated with, that is, forms exciton and occurs layer.
Comparative example 2
Layer plating coating occurs for conventional exciton：Polyvinyl butyral resin（Purchase is Chinese from Du Pont）0.4g, Y type high sensitivity phthalein
Cyanines oxygen titanium（Customization）39.6g, butanone 915ml and cyclohexanone 45ml, use ball mill, ball milling 5h.It is about 4.0% to be made into solid
Coating.About 0.5 μm of thick coating is coated with carrier barrier layer, that is, forms exciton and occurs layer.
Finally it is coated with after above-mentioned three layer coating, OPC drum appearance colors are light blue transparent, after charging, performance comparison,
Comparative example 2 and embodiment 2 are respectively：
Average particle size distribution 604nm, 367nm,
Average particle size distribution 920nm, 558nm after 15 days,
Printing head original text color densities instrument test blackness is respectively 1.44,1.44,
Blackness value 1.39,1.39 after the continuous life-span page 2500,
Particle diameter is contrasted, the performance of embodiment 2 is better than comparative example 1.
Embodiment 3
Layer plating coating occurs for exciton：First by Y type high sensitivity TiOPcs（Customization）6.7g, polystyrene 0.3g, butanone
500ml, according to above-mentioned rotating speed and temperature conditionss, carries out attrition grinding 2h using low temperature wet crushing mill, filters out afterwards, add
Polyvinyl butyral resin（Purchase is Chinese from Du Pont）33.3g, butanone 415ml and cyclohexanone 45ml, use high speed dispersor
Scattered 30min is carried out, it is about 4.0% coating to be made into solid.About 0.5 μm of thick coating, i.e. shape are coated with carrier barrier layer
Occurs layer into exciton.
Comparative example 3
Layer plating coating occurs for conventional exciton：Polyvinyl butyral resin（Purchase is Chinese from Du Pont）33.3g, Y type high sensitivity
TiOPc（Customization）6.7g, butanone 915ml and cyclohexanone 45ml, use ball mill, ball milling 5h.It is about 4.0% to be made into solid
Coating.About 0.5 μm of thick coating is coated with carrier barrier layer, that is, forms exciton and occurs layer.
Finally it is coated with after above-mentioned three layer coating, OPC drum appearance colors are light blue transparent, correlated performance contrast, contrast
Example 3 and embodiment 3 are respectively：
Average particle size distribution 592nm, 329nm,
Average particle size distribution 906nm, 571nm after 15 days,
Printing head original text color densities instrument test blackness is respectively 1.46,1.45,
Blackness value 1.37,1.38 after the continuous life-span page 2500,
Particle diameter is contrasted, the performance of embodiment 3 is better than comparative example 3.
The present invention still has numerous embodiments, all technical sides formed by all use equivalents or equivalent transformation
Case, is within the scope of the present invention.
Claims (12)
1. the preparation method that layer plates coating occurs for the fine and smooth exciton of output, it is characterised in that：Comprise the following steps：
S1, is crushed TiOPc material using low-temperature and high-speed wet type circulation pulverization process technology；
S2, the TiOPc and polyvinyl butyral resin after crushing and solvent are mixed, scattered using high speed dispersor
Occur layer plating coating to exciton.
2. the preparation method that layer plates coating occurs for the fine and smooth exciton of output according to claim 1, it is characterised in that：Institute
Stating the circulation of the low-temperature and high-speed wet type in S1 steps pulverization process includes, and is 100-1000 revs/min in 0-10 DEG C, pulverizer rotating speed
Under conditions of, the acceleration shearing force produced using the crushing medium in pulverizer is crushed to TiOPc crystal, simultaneously
TiOPc crystal in pulverizer is persistently exported to the cyclic process for importing pulverizer after pulverizer cooling again.
3. the preparation method that layer plates coating occurs for the fine and smooth exciton of output according to claim 2, it is characterised in that：Institute
Crushing medium is stated for zirconium pearl, the particle diameter of the zirconium pearl is 0.5-1mm.
4. the preparation method that layer plates coating occurs for the fine and smooth exciton of output according to claim 3, it is characterised in that：
In the S1 steps, in addition to surface protection processing, the surface protection processing are carried out to the pulverized particles of the TiOPc
Realized by wrapping up TiOPc particle to separate intermolecular interaction force.
5. the preparation method that layer plates coating occurs for the fine and smooth exciton of output according to claim 4, it is characterised in that：Institute
State surface protection processing be the low-temperature and high-speed wet type circulate comminution process in addition below formula polystyrene and/
Or derivatives thereof,
Wherein n values between 100-1000.
6. the preparation method that layer plates coating occurs for the fine and smooth exciton of output according to claim 5, it is characterised in that：Institute
The mass ratio for stating TiOPc and polystyrene is 1：（0.01-0.5）.
7. the preparation method that layer plates coating, its feature are occurred according to the exciton that any described outputs of claim 1-6 are fine and smooth
It is：In the S2 steps, the TiOPc is 1 with polyvinyl butyral resin mass ratio：（0.1-5）；It is described
Solvent is the mixture of butanone and cyclohexanone, and butanone and the cyclohexanone mass ratio is 2：1-5：1；The jitter time is
25-40 minutes.
8. export fine and smooth organic light-guide preparation, it is characterised in that comprise the following steps：
S10, is coated with electric charge barrier layer plating coating, to form electric charge barrier layer UCL, the electric charge barrier layer in alloy aluminium base
It is to include the solution of nylon resin；
S20, usage right is coated with the electric charge barrier layer and requires the exciton generation layer that any described methods of 1-11 are obtained
Coating is plated, exciton is formed and occurs stratification CGL；
S30, occurs coating charge transport layer plating coating on layer CGL in the exciton, forms charge transport layer CTL, the electricity
Lotus transport layer CTL is carbonate-containing and m-TPD coating fluid.
9. the fine and smooth organic light-guide preparation of output according to claim 8, it is characterised in that：The charge barrier
The solvent that layer plating coating is used is ethanol and isobutanol example 1 in mass ratio：1-6：The mixture of 1 mixing.
10. the fine and smooth organic light-guide preparation of output according to claim 8, it is characterised in that：The electric charge resistance
The thickness of barrier is 0.5-5 μm；The thickness that layer occurs for the exciton is 0.2-1.0 μm；The thickness of the charge transport layer is 10-
30μm。
11. the fine and smooth organic light-guide preparation of output according to claim 8, it is characterised in that the electric charge is passed
The solvent that defeated coating is used is dichloromethane and tetrahydrofuran example 1 in mass ratio：1-20：The mixture of 1 mixing.
12. export fine and smooth organic photoconductor, it is characterised in that：Prepared by any described methods of claim 8-11.
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| CN201710475119.8A CN107193192A (en) | 2017-06-21 | 2017-06-21 | Preparation method, organic light-guide preparation and organic photoconductor that layer plates coating occur for the fine and smooth exciton of output |
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| CN101526763A (en) * | 2008-03-05 | 2009-09-09 | 富士施乐株式会社 | Electrophotographic photoreceptor, process cartridge and image forming apparatus |
| CN101533237A (en) * | 2007-03-16 | 2009-09-16 | 株式会社理光 | Image forming apparatus and process cartridge |
| CN102621831A (en) * | 2011-01-28 | 2012-08-01 | 富士施乐株式会社 | Charge transporting material, solution, photovoltaic conversion device, electrophototgraphic photoreceptor, image forming apparatus and processing box |
| CN103713482A (en) * | 2013-12-17 | 2014-04-09 | 宁波舜韵光电科技有限公司 | Background-color-free three-layer coating process |
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2017
- 2017-06-21 CN CN201710475119.8A patent/CN107193192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533237A (en) * | 2007-03-16 | 2009-09-16 | 株式会社理光 | Image forming apparatus and process cartridge |
| CN101526763A (en) * | 2008-03-05 | 2009-09-09 | 富士施乐株式会社 | Electrophotographic photoreceptor, process cartridge and image forming apparatus |
| CN102621831A (en) * | 2011-01-28 | 2012-08-01 | 富士施乐株式会社 | Charge transporting material, solution, photovoltaic conversion device, electrophototgraphic photoreceptor, image forming apparatus and processing box |
| CN103713482A (en) * | 2013-12-17 | 2014-04-09 | 宁波舜韵光电科技有限公司 | Background-color-free three-layer coating process |
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Application publication date: 20170922 |