CN109504993A - A kind of guide roller and its production method - Google Patents

A kind of guide roller and its production method Download PDF

Info

Publication number
CN109504993A
CN109504993A CN201811630717.9A CN201811630717A CN109504993A CN 109504993 A CN109504993 A CN 109504993A CN 201811630717 A CN201811630717 A CN 201811630717A CN 109504993 A CN109504993 A CN 109504993A
Authority
CN
China
Prior art keywords
roller body
guide roller
coated
ceramic film
mixed solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811630717.9A
Other languages
Chinese (zh)
Inventor
郭辰翔
杨飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Beiren Printing Machinery Co Ltd
Original Assignee
Shaanxi Beiren Printing Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Beiren Printing Machinery Co Ltd filed Critical Shaanxi Beiren Printing Machinery Co Ltd
Priority to CN201811630717.9A priority Critical patent/CN109504993A/en
Publication of CN109504993A publication Critical patent/CN109504993A/en
Priority to PCT/CN2019/129883 priority patent/WO2020135866A1/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/026Anodisation with spark discharge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/20Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02Anodisation
    • C25D11/04Anodisation of aluminium or alloys based thereon
    • C25D11/06Anodisation of aluminium or alloys based thereon characterised by the electrolytes used

Abstract

The invention discloses a kind of guide rollers, including guiding roller body, are oriented on the outer wall of roller body and are coated with ceramic film.The invention also discloses the production methods of the guide roller, specifically hang guiding roller body differential arc oxidation ceramic platingv film layer on guiding roller body according to dress;Then the guiding roller body for being coated with ceramic film is closed, washes air-dried step and carries out.A kind of guide roller of the present invention, surface hardness with higher and good heat resistance, wear resistance, corrosion resistance and insulating properties;The production method of guide roller of the invention, process stabilizing is reliable, energy conservation and environmental protection, suitable for mass production.

Description

A kind of guide roller and its production method
Technical field
The invention belongs to printing equipment technical fields, are related to a kind of guide roller, have for the guide roller on a kind of printing machine, sheet Invention further relates to the production method of the guide roller.
Background technique
Guide roller is widely applied in various printing machines at present, is printing machine key components and parts, conventional anodization guiding There are uneven color, corrosion resistances, the defect to wear no resistance for roller surface;And hardening oxidation guide roller is reinforced due to aluminum profile The problem of density of material variation is deposited at muscle causes body surface after oxidation the problem of uneven color, black line, high point occur.
Summary of the invention
It is surface hardness with higher and good heat resistance, wear-resistant the object of the present invention is to provide a kind of guide roller Property, corrosion resistance and insulating properties.
The invention also discloses the production methods of the guide roller.
The first technical solution of the present invention is a kind of guide roller, including guiding roller body, is oriented to roller body Ceramic film is coated on outer wall.
The characteristics of the first technical solution of the invention, also resides in:
Ceramic film 2 with a thickness of 0.015-0.02mm.
The another technical solution that the present invention uses is:
A kind of production method of guide roller, which is characterized in that specifically carry out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body being cleaned;
Step 2, the hanger equipped with guiding roller body is put into electrolytic cell, differential arc oxidation obtains being coated with ceramic film It is oriented to roller body;
Step 3, it after the guiding roller body washing of ceramic film being coated with, is put into enclosed slot and is closed;
Step 4, it by after the guiding roller body washing for being coated with ceramic film after closing, is put into air-dried slot and carries out hot air drying It is dry, obtain guide roller.
Second of technical solution of the invention is further characterized in that:
Electrolyte is K when carrying out differential arc oxidation in step 22SiO3、Na2O2、NaF、CH3COONa and Na2VO3Composition mixes Solution is closed, the PH of mixed solution is 9~12.
The concentration of K2SiO3 is 8~12g/L, Na in the mixed solution in mixed solution2O2Concentration be 2~3g/L, institute The concentration for stating NaF in mixed solution is 0.5~1g/L, CH in the mixed solution3The concentration of COONa is 1~2g/L, institute State Na in mixed solution2VO3Concentration be 1~3g/L.
Voltage is 380v, current density 1.0A/dm when step 2 differential arc oxidation2~2A/dm2, the time of differential arc oxidation is 20min~30min, the temperature of differential arc oxidation are 10 DEG C~25 DEG C.
In step 3 using mass concentration be 10~15g/L silicate solutions to be coated with the oxidation roller body 1 of ceramic film into Row closing, closed temperature are 15 DEG C~25 DEG C, and the closed time is 15min~20min.
The beneficial effects of the invention are as follows
A kind of guide roller of the present invention, surface hardness with higher and good heat resistance, wear resistance, corrosion resistance and Insulating properties;The production method of guide roller of the invention, process stabilizing is reliable, energy conservation and environmental protection, suitable for mass production.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of guide roller of the present invention.
In figure, 1. guiding roller bodies, 2. guiding roller bodies.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of guide roller, as shown in Figure 1, include guiding roller body 1, be oriented to roller body 1 outer wall on be coated with a thickness of 0.015mm~0.02mm ceramic film 2.
In a kind of guide roller of the present invention, ceramic film is coated with by the method for differential arc oxidation on guiding roller body 1, it can The surface hardness of the guide roller on printing machine is significantly increased, while it is good wear-resisting that guide roller can also be made to have Property, heat resistance, anticorrosive and insulating properties;Simultaneously the ceramic film on guide roller of the invention with a thickness of 0.015mm~ 0.02mm enables to guide roller that can also have faint electric conductivity while with good insulation performance, so that leading The partial electrostatic generated when operation to roller can be exported by ceramic film 2, to reduce guide roller electrostatic, improve printing The quality of product.
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned using clear water and detergent;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 8~12g/L's K2SiO3, 2~3g/L Na2O2, the NaF of 0.5~1g/L, 1~2g/L CH3The Na of COONa and 1~3g/L2VO3Composition mixes Close solution;
It is 380V, current density 1.0A/dm in voltage2~2A/dm2, temperature is differential of the arc oxygen under conditions of 10 DEG C~25 DEG C Change 20min~30min, obtains the oxidation rod roller body 1 for being coated with ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 10~15g/L silicate solutions, 15 DEG C~25 DEG C at a temperature of close 15min~20min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
In a kind of production method of guide roller of the present invention, using organic silicon solution to the guide roller sheet for being coated with ceramic film 2 After body 1 is closed, the hole of oxidation film layer can be made to be filled, guarantee that the surface anticorrosive ability of film layer improves, simultaneously Surface is also easy to clean;The guiding roller body 1 for being coated with ceramic film 2 after closing of the invention simultaneously uses hot air drying in slot It is dry, it can reduce the water stain of surface generation, so that oxidation film layer is clean, be not easy to be infected with greasy dirt etc., while also having certain filling Effect.
Embodiment 1
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 8g/L's K2SiO3, 2g/L Na2O2, 0.5g/L NaF, 1g/L CH3The Na of COONa and 1g/L2VO3The mixed solution of composition;
It is 380V, current density 1.0A/dm in voltage2, temperature is differential arc oxidation 20min under conditions of 10 DEG C, is obtained It is coated with the oxidation rod roller body 1 of ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 10g/L silicate solutions, 15 DEG C at a temperature of close 15min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
Embodiment 2
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 12g/L's K2SiO3, 3g/L Na2O2, 0.5~1g/L NaF, 2g/L CH3The Na of COONa and 3g/L2VO3The mixed solution of composition;
It is 380V, current density 2A/dm in voltage2, temperature is differential arc oxidation 2030min under conditions of 25 DEG C, is obtained It is coated with the oxidation rod roller body 1 of ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 15g/L silicate solutions, 25 DEG C at a temperature of close 20min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
Embodiment 3
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 10g/L's K2SiO3, 2.5g/L Na2O2, 0.7g/L NaF, 1.5g/L CH3The Na of COONa and 2g/L2VO3The mixed solution of composition;
It is 380V, current density 1.5A/dm in voltage2, temperature is differential arc oxidation 25min under conditions of 17 DEG C, is obtained It is coated with the oxidation rod roller body 1 of ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 13g/L silicate solutions, 20 DEG C at a temperature of close 17min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
Embodiment 4
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 9g/L's K2SiO3, 2.2g/L Na2O2, 0.6g/L NaF, 1.2g/L CH3The Na of COONa and 1.5g/L2VO3The mixing of composition is molten Liquid;
It is 380V, current density 1.2A/dm in voltage2, temperature is differential arc oxidation 22min under conditions of 13 DEG C, is obtained It is coated with the oxidation rod roller body 1 of ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 11g/L silicate solutions, 17 DEG C at a temperature of close 16min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
Embodiment 5
A kind of production method of guide roller specifically carries out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body 1 being cleaned;
Step 2, the hanger equipped with guiding roller body 2 is put into electrolytic cell, the electrolyte of electrolytic cell is 11g/L's K2SiO3, 2.8g/L Na2O2, 0.9g/L NaF, 1.8g/L CH3The Na of COONa and 2.8g/L2VO3The mixing of composition is molten Liquid;
It is 380V, current density 1.9A/dm in voltage2, temperature is differential arc oxidation 28min under conditions of 22 DEG C, is obtained It is coated with the oxidation rod roller body 1 of ceramic film;
Step 3, it after the guiding roller body 1 for being coated with ceramic film 2 being washed, is put into enclosed slot, is using mass concentration 14g/L silicate solutions, 22 DEG C at a temperature of close 19min;
Step 4, it after the guiding roller body 1 for being coated with ceramic film after closing being washed, is put into air-dried slot and carries out hot wind It is dry, obtain guide roller.
By on guide roller that embodiment 1- embodiment 5 obtains the thickness of ceramic film and the hardness of guide roller survey Examination, obtains the physical property table of guide roller as shown in Table 1.
As shown in table 1, the method for the invention by differential arc oxidation is coated with ceramic film on the surface of guiding roller body The physical property of guide roller is above existing guide roller.
The physical property table of 1 guide roller of table
Wearability experiment 30 days (continuous) detection thicknesses of layers are run in equipment, with process after compare, almost without Variation, can not be detected the size of abrasion.

Claims (7)

1. a kind of guide roller, which is characterized in that including being oriented to roller body (1), be coated with pottery on the outer wall of guiding roller body (1) Porcelain film layer (2).
2. a kind of guide roller according to claim 1, which is characterized in that the ceramic film (2) with a thickness of 0.015- 0.02mm。
3. a kind of production method of guide roller, which is characterized in that specifically carry out as steps described below:
Step 1, it fills and is suspended on hanger after guiding roller body (1) being cleaned;
Step 2, the hanger equipped with guiding roller body (1) is put into electrolytic cell, differential arc oxidation obtains being coated with leading for ceramic film To roller body (1);
Step 3, it after guiding roller body (1) washing of ceramic film (2) being coated with, is put into enclosed slot and is closed;
Step 4, it by after guiding roller body (1) washing for being coated with ceramic film after closing, is put into air-dried slot and carries out hot air drying It is dry, obtain guide roller.
4. a kind of production method of guide roller according to claim 3, which is characterized in that carry out the differential of the arc in the step 2 Electrolyte is K when oxidation2SiO3、Na2O2、NaF、CH3COONa and Na2VO3The mixed solution of composition, the PH of the mixed solution It is 9~12.
5. a kind of production method of guide roller according to claim 4, which is characterized in that K2SiO3 in the mixed solution Concentration be 8~12g/L, Na in the mixed solution2O2Concentration be 2~3g/L, the concentration of NaF in the mixed solution For 0.5~1g/L, CH in the mixed solution3The concentration of COONa is 1~2g/L, Na in the mixed solution2VO3Concentration For 1~3g/L.
6. a kind of production method of guide roller according to claim 3, which is characterized in that voltage when step 2 differential arc oxidation For 380v, current density 1.0A/dm2~2A/dm2, the time of differential arc oxidation is 20min~30min, and the temperature of differential arc oxidation is 10 DEG C~25 DEG C.
7. a kind of production method of guide roller according to claim 3, which is characterized in that use quality in the step 3 Concentration is that 10~15g/L silicate solutions close the oxidation roller body (1) for being coated with ceramic film, and closed temperature is 15 DEG C~25 DEG C, the closed time is 15min~20min.
CN201811630717.9A 2018-12-29 2018-12-29 A kind of guide roller and its production method Pending CN109504993A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811630717.9A CN109504993A (en) 2018-12-29 2018-12-29 A kind of guide roller and its production method
PCT/CN2019/129883 WO2020135866A1 (en) 2018-12-29 2019-12-30 Guide roller and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811630717.9A CN109504993A (en) 2018-12-29 2018-12-29 A kind of guide roller and its production method

Publications (1)

Publication Number Publication Date
CN109504993A true CN109504993A (en) 2019-03-22

Family

ID=65755766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811630717.9A Pending CN109504993A (en) 2018-12-29 2018-12-29 A kind of guide roller and its production method

Country Status (2)

Country Link
CN (1) CN109504993A (en)
WO (1) WO2020135866A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135866A1 (en) * 2018-12-29 2020-07-02 陕西北人印刷机械有限责任公司 Guide roller and production method thereof
CN113073370A (en) * 2021-03-31 2021-07-06 成都文亿辉科技有限公司 Fixing device for treating guide roller by aluminum alloy micro-arc oxidation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101298674A (en) * 2007-04-30 2008-11-05 汉达精密电子(昆山)有限公司 Manufacturing method of insulation heat-conducting metal substrate
US20100009827A1 (en) * 2008-07-14 2010-01-14 Lee Tai-Cheung Roller with a honeycomb-like pattern
CN101838832A (en) * 2010-03-12 2010-09-22 北京工业大学 Method for preparing flexo printing ceramic anilox roller
CN102211484A (en) * 2010-04-02 2011-10-12 钱兵 Technology of spraying ceramic coat on surface of printing roller
CN102898043A (en) * 2011-07-29 2013-01-30 住友电气工业株式会社 Guiding roller and method for manufacturing optical fiber
CN103643278A (en) * 2013-11-21 2014-03-19 桂林福冈新材料有限公司 Micro-arc oxidation method of car part aluminum material
CN104342736A (en) * 2014-10-31 2015-02-11 湖州织里天荣铝材添加剂厂 Aluminum alloy oxide film nickel-free normal-temperature sealing process and sealing agent
CN106400085A (en) * 2016-06-21 2017-02-15 武汉风帆电化科技股份有限公司 Hole sealing agent and method for aluminum and aluminum alloy anode oxide film aftertreatment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100015354A1 (en) * 2008-07-16 2010-01-21 Lee Tai-Cheung Method of making rollers with a fine pattern
CN109504993A (en) * 2018-12-29 2019-03-22 陕西北人印刷机械有限责任公司 A kind of guide roller and its production method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101298674A (en) * 2007-04-30 2008-11-05 汉达精密电子(昆山)有限公司 Manufacturing method of insulation heat-conducting metal substrate
US20100009827A1 (en) * 2008-07-14 2010-01-14 Lee Tai-Cheung Roller with a honeycomb-like pattern
CN101838832A (en) * 2010-03-12 2010-09-22 北京工业大学 Method for preparing flexo printing ceramic anilox roller
CN102211484A (en) * 2010-04-02 2011-10-12 钱兵 Technology of spraying ceramic coat on surface of printing roller
CN102898043A (en) * 2011-07-29 2013-01-30 住友电气工业株式会社 Guiding roller and method for manufacturing optical fiber
CN103643278A (en) * 2013-11-21 2014-03-19 桂林福冈新材料有限公司 Micro-arc oxidation method of car part aluminum material
CN104342736A (en) * 2014-10-31 2015-02-11 湖州织里天荣铝材添加剂厂 Aluminum alloy oxide film nickel-free normal-temperature sealing process and sealing agent
CN106400085A (en) * 2016-06-21 2017-02-15 武汉风帆电化科技股份有限公司 Hole sealing agent and method for aluminum and aluminum alloy anode oxide film aftertreatment

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
刘静安等编: "《铝合金型材实用技术》", 31 October 1994 *
廖健等编著: "《铝合金挤压材生产与应用》", 31 March 2018, 冶金工业出版社 *
沈阳仪器仪表工艺研究所编: "《仪器仪表制造技术》", 31 December 1987, 机械工业出版社 *
郭辰翔: ""铝导向辊阳极氧化工艺"", 《电镀与涂饰》 *
陆维强编著: "《轮转机组式凹版印刷机》", 30 April 2014, 印刷工业出版社 *
陈亚主编: "《现代实用电镀技术》", 31 January 2003, 国防工业出版社 *
顾里之等译: "《铝和铝合金的表面处理与精饰》", 31 March 1966, 机械工业出版社 *
黄红军等编著: "《金属表面处理与防护技术》", 31 October 2011, 冶金工业出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020135866A1 (en) * 2018-12-29 2020-07-02 陕西北人印刷机械有限责任公司 Guide roller and production method thereof
CN113073370A (en) * 2021-03-31 2021-07-06 成都文亿辉科技有限公司 Fixing device for treating guide roller by aluminum alloy micro-arc oxidation
CN113073370B (en) * 2021-03-31 2022-04-15 成都文亿辉科技有限公司 Fixing device for treating guide roller by aluminum alloy micro-arc oxidation

Also Published As

Publication number Publication date
WO2020135866A1 (en) 2020-07-02

Similar Documents

Publication Publication Date Title
CN109504993A (en) A kind of guide roller and its production method
CN103088363B (en) A kind of manufacture method with the stainless steel electrolytic electrode of coating of titanium dioxide
CN105898981B (en) A kind of stretchable electrode and preparation method thereof based on conductive fabric
CN105063721B (en) The method that magnesium alloy anodic oxidation electrolyte and the electrolyte prepare anode oxide film
CN102978569B (en) Method for preparing alloy thin plate with Fe, 5.5-6.5% by weight of Si and 0.3-1.0% by weight of Al by adopting continuous multi-arc ion plating physical vapor deposition
CN208513132U (en) A kind of graphene film cleaning device as cell negative electrode material
CN108018591A (en) A kind of aluminium and aluminium alloy anode oxide film are without nickel free-floride sealer
CN107034498A (en) A kind of preparation method of graphene steel based alloy
CN110241449A (en) A kind of method of 6 line aluminium alloy surface insulation oxidation
CN107190298A (en) A kind of method that micro-arc oxidation of aluminum alloy surface black film layer
WO2000001865A1 (en) Method of treating surface of aluminum blank
CN103207222B (en) Method for preparing graphene nano-material electrochemical sensor by atomic layer deposition process
CN109023488B (en) Micro-crack hard chromium composite coating and preparation method thereof
CN105702478B (en) The preparation method of super capacitance electrode material based on graphene
CN104476939A (en) Chromium plating method and keeping method for printing roller
CN107813650A (en) A kind of high reflective decorative aluminum plate picture and preparation method thereof
TWI675944B (en) Electroplating solution capable of improving corrosion resistance of electroplated parts and preparation method thereof
CN104164684B (en) A kind of method of oxygen-free copper plating nickel on surface
CN111197176A (en) Electrochemical treatment method of copper foil and composite copper foil material
CN106206954A (en) A kind of inversion bulk heterojunction organic solar batteries
CN109560303A (en) A kind of runner treatment process of graphite bi-polar plate
CN103741110A (en) Production technology of vacuum coating antique copper
CN204989757U (en) Roller structure of charging
Hoshi et al. Interpretation of negative resistance observed in electrochemical impedance during copper electrodeposition containing thiourea
CN106517812A (en) Suede transparent conductive FTO (Fluorine-doped Tin Oxide)/Gr (Graphene)-CNTs (Carbon Nano Tubes) composite thin film and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190322

RJ01 Rejection of invention patent application after publication