CN112746299A - Surface treatment method for carbon fiber carbon filaments - Google Patents
Surface treatment method for carbon fiber carbon filaments Download PDFInfo
- Publication number
- CN112746299A CN112746299A CN202011505642.9A CN202011505642A CN112746299A CN 112746299 A CN112746299 A CN 112746299A CN 202011505642 A CN202011505642 A CN 202011505642A CN 112746299 A CN112746299 A CN 112746299A
- Authority
- CN
- China
- Prior art keywords
- tank
- cathode
- carbon fiber
- anode
- carbon
- 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.)
- Withdrawn
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/18—Regeneration of process solutions of electrolytes
Abstract
A surface treatment method for carbon fiber carbon filaments is characterized in that a carbon fiber carbon filament surface treatment device is used for carrying out surface treatment on carbon fibers, the carbon fiber carbon filament surface treatment device comprises an electrolytic tank and a water storage tank, a plurality of partition plates are arranged in the electrolytic tank, the partition plates divide the electrolytic tank into a cathode tank and anode tanks arranged on two sides of the cathode tank, overflow grooves are arranged between the anode tanks and the cathode tank and on the side portions of the anode tanks far away from the cathode tank, cathode plates are arranged in the cathode tanks, and anode plates are arranged in the anode tanks. The method ensures that the processed carbon fiber tows are immersed under the liquid level of the electrode tank to continuously run under the condition of no guide roller in the electrolytic tank by adjusting the height of the carbon fiber tows entering and exiting the electrolytic tank and the height of the overflow liquid level of the electrolyte, and nascent oxygen generated by OH-discharge oxidizes carbon atoms on the surface of the carbon fiber to generate oxygen-containing functional groups, so that the interlaminar shear strength of the composite material can be effectively improved.
Description
Technical Field
The invention relates to the technical field of carbon fiber production, in particular to a surface treatment method for carbon fiber carbon filaments.
Background
The carbon fiber is a novel carbon material which is prepared by high-temperature carbonization at 1300-1600 ℃ and has the carbon content of more than 93 percent, the surface activity of the carbon fiber is reduced and the surface tension is reduced due to the carbonization treatment in high-temperature inert gas along with the escape of non-carbon elements and the enrichment of carbon, the wettability of the carbon fiber and matrix resin is poor, particularly, dry-jet wet spinning solution is discharged from a spinneret orifice, firstly passes through an air layer and then enters a coagulating bath for forming, spinning fine flow is highly stretched and finely attenuated under the action of uniaxial stress, an expansion body of the fine flow entering the liquid level of the coagulating bath is eliminated, and the surface of the fiber is smooth and has no groove folds.
Therefore, after the protofilament produced by the dry-jet wet spinning method is carbonized, the specific surface area of the fiber is small, and the anchoring effect between the smooth surface and the matrix resin is poor, so that the interlaminar shear strength (ILSS) of the composite material produced by the carbon fiber is reduced, and the requirement of practical design cannot be met.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a surface treatment method for carbon fiber carbon filaments, which has reasonable design and obvious treatment effect and can improve the interlaminar shear strength of a carbon fiber composite material to be more than 90 MPa.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a surface treatment method for a carbon fiber carbon filament, which uses a carbon fiber carbon filament surface treatment device to carry out surface treatment on carbon fibers, wherein the carbon fiber carbon filament surface treatment device comprises an electrolytic bath and a water storage tank arranged below the electrolytic bath, a plurality of partition plates are arranged in the electrolytic bath, the partition plates divide the electrolytic bath into a cathode tank and anode tanks arranged at two sides of the cathode tank, overflow grooves are respectively arranged between the anode tank and the cathode tank and at the side part of the anode tank far away from the cathode tank, cathode plates are arranged in the cathode tank, and anode plates are arranged in the anode tanks; the method comprises the following steps:
(1) filling electrolyte into the water storage tank, and then starting a circulating pump to convey the electrolyte into the cathode tank and the anode tank;
(2) after the electrolytes in the cathode tank and the anode tank begin to overflow into the overflow groove, adjusting the heights of the overflow flow surfaces of the cathode tank and the anode tank by adjusting valves, and then switching on a power supply to the anode plate and the cathode plate;
(3) adjusting the height of the guide roller, transversely inputting carbon fibers from one side of the electrolytic bath, then penetrating through the overflow flow surfaces of the cathode bath and the anode bath, and then transversely outputting from the other side of the electrolytic bath;
(4) when the carbon fiber is contacted with the overflow flow surfaces of the cathode tank and the anode tank, the carbon atoms on the surface of the carbon fiber are oxidized by nascent oxygen generated by OH-discharge to generate oxygen-containing functional groups for surface treatment of the carbon fiber.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon filament surface treatment method, the height of the overflow flow surfaces of the cathode tank and the anode tank is 2-5mm higher than the upper surface of the partition plate.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon filament surface treatment method, a water storage tank is communicated with a return pipeline communicated with a cathode tank and an anode tank, and the return pipeline is provided with a circulating pump; the overflow grooves are communicated with overflow pipelines communicated with the water storage groove.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon filament surface treatment method, the bottoms of the cathode tank and the anode tank are communicated with return branch pipelines communicated with the return pipelines, the communicated parts of the return branch pipelines, the cathode tank and the return branch pipelines, which are communicated with the anode tank, are provided with orifice plates, and the return branch pipelines are provided with regulating valves.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon filament surface treatment method, the anode plate is externally connected with the anode of a direct current power supply through the binding post, the cathode plate is externally connected with the cathode of the direct current power supply through the binding post, and the voltage of the direct current power supply is less than 24V.
The technical problem to be solved by the invention can be further solved by the following technical scheme that for the carbon fiber carbon wire surface treatment method, the carbon fiber carbon wire surface treatment device further comprises a bracket for installing an electrolytic tank, the electrolytic tank is installed on the bracket, guide rollers matched with carbon fibers are installed on the brackets at two sides of the electrolytic tank, and the guide rollers are installed on the brackets through a height adjusting device.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon filament surface treatment method, the height of the partition plate is lower than that of the electrolytic tank, and the side walls at two sides of the electrolytic tank are respectively provided with a notch facilitating the input and output of carbon fibers.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the carbon fiber carbon wire surface treatment method, the cathode plate is a platinum plate, and the anode plate is a stainless steel plate.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the electrolytic bath and the partition plate are both made of hard polyvinyl chloride for the carbon fiber carbon wire surface treatment method.
Compared with the prior art, the invention has the beneficial effects that:
1. a two-stage anodic oxidation electrolysis system is adopted, the electrolysis time is 20S, and the maximum current intensity can reach 600A;
2. the method comprises a front electrolytic tank and a rear electrolytic tank, wherein carbon fiber tows are driven by two groups of guide rollers which enter and exit from two ends of the electrolytic tanks to pass through a cathode electrode tank and an anode electrode tank, carbon fibers can be immersed under the liquid level of the electrode tanks through the height difference between the overflow liquid level of the electrode tanks and the upper surface of an overflow partition plate, and the bottoms of electrode plates are electrified, so that an electrolytic loop is formed;
3. compared with the traditional multi-groove, deep groove and multi-roller carbon fiber surface treatment equipment, the most compact and shortest surface treatment system has the advantages that the overall length of the equipment is less than 2.5 meters, the groove depth is less than 100mm, and the uniformity of the quality of carbon fibers after anodic oxidation can be ensured because the distance between an anode and a cathode is short, the applied voltage is low, the voltage gradient is small, and the operation is stable and safe; in addition, the electrolyte required by the shallow groove has small capacity, is convenient for stable circulation, accelerates the discharge speed of bubbles in the electrolyte solution, and reduces the aeration degree of the electrolyte; because the electrolytic cell is not provided with the guide roller, the friction of the guide roller on the carbon fiber is reduced, the possibility of the strength loss of the carbon fiber is reduced, the possibility of the corrosion of the internal mechanism of the guide roller by the electrolyte is avoided, and the service life of the equipment is prolonged;
4. the simplest pipeline and control system is adopted, and the circulating water storage tank is arranged below the electrolytic bath main machine, so that the floor area of equipment is reduced, and the length of a return pipeline can be shortened; filtering and recycling the electrolyte, adjusting the concentration and the temperature and ensuring uniform surface treatment;
5. the electrolyte concentration, the current density, the electrolyte temperature, the distance between the filament surface and the upper surface of the electrolyte and other indexes are adjustable, and the process route requirement is fully met;
6. the liquid inlet end of the electrolytic cell is led into the cell from a pipeline, the middle part of the electrolytic cell is provided with a pore plate, the liquid flows into the electrolytic cell from the pore plate and overflows through an overflow plate; the orifice plate inlet can ensure the uniform distribution of liquid and avoid uneven upper and lower laminar flows.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a surface treatment method for carbon fiber carbon filaments comprises an electrolytic bath and a water storage tank 9 arranged below the electrolytic bath, wherein a plurality of partition plates are arranged in the electrolytic bath and divide the electrolytic bath into a cathode tank 7 and anode tanks 4 arranged at two sides of the cathode tank 7, overflow chutes 2 are arranged between the anode tanks 4 and the cathode tanks 7 and at the side parts of the anode tanks 4 far away from the cathode tanks 7, so that 1 anode tank 4, 2 cathode tanks 7 and 4 overflow chutes 2 are formed in the electrolytic bath, a cathode plate 5 is arranged in the cathode tank 7, an anode plate 3 is arranged in the anode tank 4, and the bottoms of the cathode plate 5 and the anode plate 3 are electrified, thereby forming an electrolytic loop; a return pipeline communicated with the cathode tank 7 and the anode tank 4 is communicated with the water storage tank 9, a circulating pump 10 is installed on the return pipeline, and the circulating pump 10 is arranged to circulate the electrolyte between the water storage tank 9 and the electrolytic tank, so that the electrolyte in the cathode tank 7 and the electrolyte in the anode tank 4 are ensured to overflow continuously, and the carbon fiber 1 is subjected to anodic oxidation treatment by utilizing an overflow surface; the overflow grooves 2 are communicated with overflow pipelines communicated with the water storage tank 9, and the overflow grooves 2 are used for recovering electrolyte on two sides of the cathode tank 7 and the anode tank 4 to form overflow surfaces; the overflow pipeline is convenient for the electrolyte in the overflow groove 2 to flow into the water storage groove 9.
All communicate with the backward flow branch pipe of backward flow pipeline intercommunication in the bottom of negative pole groove 7 and positive pole groove 4, all install the orifice plate in the intercommunication department of positive pole groove 4 in backward flow branch pipe and negative pole groove 7 and backward flow branch pipe, all install governing valve 6 on backward flow to the pipeline. The regulating valve 6 is arranged to facilitate the regulation of the electrolyte flow of the cathode tank 7 and the anode tank 4, so as to regulate the overflow height of the electrolyte of the cathode tank 7 and the anode tank 4 and further ensure that the electrolyte is fully contacted with the carbon fiber 1; the arrangement of the pore plate can ensure that the electrolyte liquid of the cathode tank 7 and the anode tank 4 is uniformly distributed, and uneven laminar flow from top to bottom is avoided.
The anode plate 3 is externally connected with the anode of a direct current power supply through the binding post 8, the cathode plate 5 is externally connected with the cathode of the direct current power supply through the binding post 8, the voltage of the direct current power supply is less than 24V, and safety is guaranteed.
The method also comprises a bracket for installing the electrolytic cell, wherein the electrolytic cell is installed on the bracket, guide rollers matched with the carbon fibers 1 are installed on the brackets at two sides of the electrolytic cell, and the guide rollers are installed on the brackets through a height adjusting device. The height adjusting device can adopt a driving cylinder or a worm gear, so that the height of the guide roller can be adjusted conveniently as required, the passing height of the carbon fiber 1 at the electrolytic bath can be adjusted, and the carbon fiber 1 can be in better contact with the electrolyte conveniently.
The height of baffle is less than the height of electrolysis trough, all is provided with the opening of the carbon fiber 1 input/output of being convenient for on the lateral wall of electrolysis trough both sides, and the horizontal input/output of the carbon fiber 1 of being convenient for is transversely walked in electrolysis trough department to cooperate electrolyte to carry out oxidation treatment to carbon fiber 1 surface.
The cathode plate 5 is a platinum plate which is transversely and fixedly arranged at the bottom of the cathode tank 7, and the anode plate 3 is a stainless steel plate which is transversely and fixedly arranged at the upper part of the anode tank 4.
The electrolytic cell and the partition plate are both made of hard polyvinyl chloride, so that the electrolytic cell is corrosion-resistant and insulating, high in safety and long in service life.
A surface treatment method for carbon fiber carbon filaments comprises the following steps:
(1) filling electrolyte into the water storage tank, and then starting a circulating pump to convey the electrolyte into the cathode tank and the anode tank;
(2) after the electrolytes in the cathode tank and the anode tank begin to overflow into the overflow groove, adjusting the heights of the overflow flow surfaces of the cathode tank and the anode tank by adjusting valves, and then switching on a power supply to the anode plate and the cathode plate;
(3) adjusting the height of the guide roller, transversely inputting carbon fibers from one side of the electrolytic bath, then penetrating through the overflow flow surfaces of the cathode bath and the anode bath, and then transversely outputting from the other side of the electrolytic bath;
(4) when the carbon fiber is contacted with the overflow flow surfaces of the cathode tank and the anode tank, the carbon atoms on the surface of the carbon fiber are oxidized by nascent oxygen generated by OH-discharge to generate oxygen-containing functional groups for surface treatment of the carbon fiber.
The height of the overflow flow surfaces of the cathode tank and the anode tank is 2-5mm higher than the upper surface of the partition board, preferably, the height of the overflow flow surfaces of the cathode tank and the anode tank is 3mm higher than the upper surface of the partition board, so that carbon fibers can conveniently pass between the overflow flow surfaces, and the anodic oxidation treatment of the surfaces of the carbon fibers is realized.
The invention has the advantages that:
1. a two-stage anodic oxidation electrolysis system is adopted, the electrolysis time is 20S, and the maximum current intensity can reach 600A;
2. the method comprises a front electrolytic tank and a rear electrolytic tank, wherein carbon fiber tows are driven by two groups of guide rollers which enter and exit from two ends of the electrolytic tanks to pass through a cathode electrode tank and an anode electrode tank, carbon fibers can be immersed under the liquid level of the electrode tanks through the height difference between the overflow liquid level of the electrode tanks and the upper surface of an overflow partition plate, and the bottoms of electrode plates are electrified, so that an electrolytic loop is formed;
3. compared with the traditional multi-groove, deep groove and multi-roller carbon fiber surface treatment equipment, the most compact and shortest surface treatment system has the advantages that the overall length of the equipment is less than 2.5 meters, the groove depth is less than 100mm, and the uniformity of the quality of carbon fibers after anodic oxidation can be ensured because the distance between an anode and a cathode is short, the applied voltage is low, the voltage gradient is small, and the operation is stable and safe; in addition, the electrolyte required by the shallow groove has small capacity, is convenient for stable circulation, accelerates the discharge speed of bubbles in the electrolyte solution, and reduces the aeration degree of the electrolyte; because the electrolytic cell is not provided with the guide roller, the friction of the guide roller on the carbon fiber is reduced, the possibility of the strength loss of the carbon fiber is reduced, the possibility of the corrosion of the internal mechanism of the guide roller by the electrolyte is avoided, and the service life of the equipment is prolonged;
4. the simplest pipeline and control system is adopted, and the circulating water storage tank is arranged below the electrolytic bath main machine, so that the floor area of equipment is reduced, and the length of a return pipeline can be shortened; filtering and recycling the electrolyte, adjusting the concentration and the temperature and ensuring uniform surface treatment;
5. the electrolyte concentration, the current density, the electrolyte temperature, the distance between the filament surface and the upper surface of the electrolyte and other indexes are adjustable, and the process route requirement is fully met;
6. the liquid inlet end of the electrolytic cell is led into the cell from a pipeline, the middle part of the electrolytic cell is provided with a pore plate, the liquid flows into the electrolytic cell from the pore plate and overflows through an overflow plate; the orifice plate inlet can ensure the uniform distribution of liquid and avoid uneven upper and lower laminar flows.
Claims (9)
1. A surface treatment method for carbon fiber carbon filaments is characterized by comprising the following steps: the method uses a carbon fiber carbon wire surface treatment device to perform surface treatment on carbon fibers, wherein the carbon fiber carbon wire surface treatment device comprises an electrolytic tank and a water storage tank arranged below the electrolytic tank, a plurality of partition plates are arranged in the electrolytic tank, the partition plates divide the electrolytic tank into a cathode tank and anode tanks arranged on two sides of the cathode tank, overflow grooves are arranged between the anode tanks and the cathode tank and on the side parts of the anode tanks far away from the cathode tank, cathode plates are arranged in the cathode tanks, and anode plates are arranged in the anode tanks; the method comprises the following steps:
(1) filling electrolyte into the water storage tank, and then starting a circulating pump to convey the electrolyte into the cathode tank and the anode tank;
(2) after the electrolytes in the cathode tank and the anode tank begin to overflow into the overflow groove, adjusting the heights of the overflow flow surfaces of the cathode tank and the anode tank by adjusting valves, and then switching on a power supply to the anode plate and the cathode plate;
(3) adjusting the height of the guide roller, transversely inputting carbon fibers from one side of the electrolytic bath, then penetrating through the overflow flow surfaces of the cathode bath and the anode bath, and then transversely outputting from the other side of the electrolytic bath;
(4) when the carbon fiber is contacted with the overflow flow surfaces of the cathode tank and the anode tank, the carbon atoms on the surface of the carbon fiber are oxidized by nascent oxygen generated by OH-discharge to generate oxygen-containing functional groups for surface treatment of the carbon fiber.
2. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the height of the overflow flow surface of the cathode tank and the anode tank is 2-5mm higher than the upper surface of the clapboard.
3. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: a return pipeline communicated with the cathode tank and the anode tank is communicated with the water storage tank, and a circulating pump is arranged on the return pipeline; the overflow grooves are communicated with overflow pipelines communicated with the water storage groove.
4. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: all communicate with the backward flow branch pipe way with the backward flow pipeline intercommunication in the bottom in negative pole groove and positive pole groove, all install the orifice plate in the intercommunication department in positive pole groove in backward flow branch pipe way and negative pole groove and backward flow branch pipe way, all install the governing valve on backward flow to the pipeline.
5. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the anode plate is externally connected with the anode of a direct current power supply through the binding post, the cathode plate is externally connected with the cathode of the direct current power supply through the binding post, and the voltage of the direct current power supply is less than 24V.
6. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the carbon fiber carbon wire surface treatment device further comprises a support for installing the electrolytic bath, the electrolytic bath is installed on the support, guide rollers matched with carbon fibers are installed on the supports on the two sides of the electrolytic bath, and the guide rollers are installed on the support through a height adjusting device.
7. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the height of the clapboard is lower than that of the electrolytic cell, and the side walls at the two sides of the electrolytic cell are provided with notches which are convenient for the input and the output of carbon fibers.
8. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the cathode plate is a platinum gold plate, and the anode plate is a stainless steel plate.
9. The surface treatment method for carbon fiber carbon filaments according to claim 1, characterized in that: the electrolytic cell and the clapboard are both made of hard polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505642.9A CN112746299A (en) | 2020-12-18 | 2020-12-18 | Surface treatment method for carbon fiber carbon filaments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505642.9A CN112746299A (en) | 2020-12-18 | 2020-12-18 | Surface treatment method for carbon fiber carbon filaments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112746299A true CN112746299A (en) | 2021-05-04 |
Family
ID=75648263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505642.9A Withdrawn CN112746299A (en) | 2020-12-18 | 2020-12-18 | Surface treatment method for carbon fiber carbon filaments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112746299A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0251491A1 (en) * | 1986-05-30 | 1988-01-07 | Amoco Corporation | Multi-electrolyte treatment of carbon fibres to modify shear resistance |
| JPH0192470A (en) * | 1987-06-01 | 1989-04-11 | Mitsubishi Rayon Co Ltd | Surface treatment of carbon fiber |
| KR20000073687A (en) * | 1999-05-13 | 2000-12-05 | 김충섭 | Process for the preparation of high performance carbon fibers having improved adhesive property with matrix resins |
| CN103540982A (en) * | 2013-09-22 | 2014-01-29 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber surface treatment equipment and surface treatment method as well as applications |
| CN104178790A (en) * | 2014-08-19 | 2014-12-03 | 中复神鹰碳纤维有限责任公司 | Carbon fiber surface treatment method and treatment device |
| CN206941009U (en) * | 2017-05-12 | 2018-01-30 | 中简科技股份有限公司 | Carbon fiber surface electroplanting device |
| CN210856373U (en) * | 2019-11-28 | 2020-06-26 | 广东昭明电子集团股份有限公司 | Anodic oxidation device |
-
2020
- 2020-12-18 CN CN202011505642.9A patent/CN112746299A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0251491A1 (en) * | 1986-05-30 | 1988-01-07 | Amoco Corporation | Multi-electrolyte treatment of carbon fibres to modify shear resistance |
| JPH0192470A (en) * | 1987-06-01 | 1989-04-11 | Mitsubishi Rayon Co Ltd | Surface treatment of carbon fiber |
| KR20000073687A (en) * | 1999-05-13 | 2000-12-05 | 김충섭 | Process for the preparation of high performance carbon fibers having improved adhesive property with matrix resins |
| CN103540982A (en) * | 2013-09-22 | 2014-01-29 | 广州金发碳纤维新材料发展有限公司 | Carbon fiber surface treatment equipment and surface treatment method as well as applications |
| CN104178790A (en) * | 2014-08-19 | 2014-12-03 | 中复神鹰碳纤维有限责任公司 | Carbon fiber surface treatment method and treatment device |
| CN206941009U (en) * | 2017-05-12 | 2018-01-30 | 中简科技股份有限公司 | Carbon fiber surface electroplanting device |
| CN210856373U (en) * | 2019-11-28 | 2020-06-26 | 广东昭明电子集团股份有限公司 | Anodic oxidation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0293088A (en) | Method and device for water electrolysis | |
| US4234398A (en) | Carbon fiber surface treatment | |
| CN107441950A (en) | A kind of electrochemical couple ceramic filtration membrane and its application | |
| BRPI0712282B1 (en) | ELECTROCHEMICAL REACTOR, METHOD FOR REDUCING OR RUSTING A COMPONENT, METHOD FOR PRODUCING A REACTOR TRAILING BED AND REACTOR USE | |
| WO2020179340A1 (en) | Hydrogen adding device and method for determining degree of wear in hydrogen-permeable membrane | |
| CN102653435B (en) | Membrane bioreactor and microorganism fuel battery pack combination system | |
| CN112746299A (en) | Surface treatment method for carbon fiber carbon filaments | |
| CN210561399U (en) | Carbon fiber surface electrolysis device | |
| CN201520917U (en) | Continuous carbon fiber after-treatment device | |
| CN220846313U (en) | Overflow type surface treatment device for carbon fiber and carbon wire | |
| CN209798135U (en) | Electrolytic tank for feeding materials by uniform vertical inflow | |
| CN205873976U (en) | Electric catalytic oxidation reaction unit who contains many react unit | |
| CN103409772A (en) | Enclosed frame-type circulatory system apparatus for electrodeposition nickel or electrodeposition cobalt electrolyte | |
| CN104591401B (en) | An a kind of filter formula biological-cathode microbiological electro-chemical systems for simultaneous denitrification de-carbon | |
| JPS6237392A (en) | Radial cell electroplating apparatus | |
| JP2008248411A (en) | Surface-treating apparatus for carbon fiber strand | |
| CN213417102U (en) | Carbon fiber precursor carbonization electrolytic tank | |
| CN203904469U (en) | Electrolytic bath for preparing high-purity metal | |
| CN210122499U (en) | Continuous electrocatalytic reaction system | |
| CN207861969U (en) | A kind of printing and dyeing wastewater processing equipment | |
| CN215328395U (en) | Plate-type electrolytic device for preparing ammonium persulfate by electrolytic method | |
| CN2618927Y (en) | High speed electroplating process test device | |
| CN114671514B (en) | Sewage electrochemical nitrogen and phosphorus removal device and method based on intelligent conductivity judgment | |
| RU2100483C1 (en) | Process of water treatment with sodium hypochlorite and flow electrolyzer to produce sodium hypochlorite | |
| JP2010216033A (en) | Surface-treating apparatus for carbon fiber production |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210504 |