CN2214421Y - Continuous carbon fibre surface treatment unit - Google Patents
Continuous carbon fibre surface treatment unit Download PDFInfo
- Publication number
- CN2214421Y CN2214421Y CN 94220917 CN94220917U CN2214421Y CN 2214421 Y CN2214421 Y CN 2214421Y CN 94220917 CN94220917 CN 94220917 CN 94220917 U CN94220917 U CN 94220917U CN 2214421 Y CN2214421 Y CN 2214421Y
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- surface treatment
- surface processing
- ozone
- gas distribution
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a surface processing device of the carbon fiber, comprising two surface processing furnaces which are connected in series. An ultraviolet light reflecting plate, an ultraviolet lamp, and a gas distribution tube are transversally arranged in the surface processing furnace; the gas distribution tube is connected with an ozone generator which is arranged outside the furnace body; the external side of the processing furnace is provided with a conducting roll which is connected with a current pulse generator. The surface processing device of the carbon fiber can be connected with the production line of the carbon fiber which can rapidly operate; the operation is safe, and the energy is saved. After adopting the generating method of the secondary ozone, the ozone content in the processing furnace is higher; the surface processing effect is better; the carbon fiber is reinforced, and the interlaminar shear strength of the carbon fiber reinforcement epoxy resin composite materials and other performances can be totally improved.
Description
The utility model relates to a kind of surface processing device that is used to improve carbon fiber surface activity.
Carbon fiber and composite thereof not only have been widely used in sophisticated technology fields such as space flight and aviation, and are the new materials that civilian industry updates.But because the specific area of carbon fiber is little, surface-activity is low, presents lyophobicity with matrix resin compound tense surface, causes two-phase interface bonding bad, and (ILSS) is low for interlaminar shear strength, has influenced its range of application.It is to improve the surface-activity of carbon fiber that carbon fiber is carried out the surface-treated purpose, makes it become lyophily by lyophobicity, impels good bonding of two-phase interface, thereby ILSS is improved.Carbon fiber surface treatment method is more, and anode electrolysis oxidizing process, plasma oxidation etching method, vapour phase oxidation process and liquid phase oxidation etc. are arranged.The technology of anode electrolysis oxidizing process and equipment complexity, electrolyte easily pollutes fiber.The plasma oxidation etching method needs high-vacuum apparatus, online supporting use difficulty.The liquid phase oxidation required time is long, and online supporting use difficulty is bigger.The Chinese patent 8610883.9 of vapour phase oxidation process such as applicant application in 86 years provides a kind of surface treatment of carbon fibers Processes and apparatus of ozone oxidation method, obvious processing effect, ILSS is increased substantially, its shortcoming is because the surface treatment stove adopts outer heating arrangement, and the stability of ozone is responsive especially to temperature, causing part ozone just not contact with carbon fiber surface has decomposed, ozone is not fully utilized, degree of oxidation relaxes, and the structure for the treatment of apparatus is still complicated, with the online supporting use of the carbon fiber production line of quick operation certain difficulty is arranged.
The purpose of this utility model is to provide a kind of interior heating arrangement, can online matching used quick continuous carbon fibre surface processing device.
Surface treatment of carbon fibers device of the present utility model comprises two surface treatment stoves that are connected in series, lateral arrangement has ultraviolet light reflecting plate, uviol lamp and gas distribution tube in the surface treatment stove, gas distribution tube is connected with body of heater ozone generator outward, handle stove both sides and centre and be provided with conductive rollers, conductive rollers is connected with current pulser.
Surface treatment of carbon fibers device of the present utility model can be supporting with the carbon fiber production line of quick operation, and this device has following advantage: 1. the surface treatment of carbon fibers stove does not adopt outer heating arrangement, so the handling safety and the saving energy; 2. carbon fiber energising back itself heating, thus moisture etc. of its surface absorption is got rid of in the gas mode, help the improvement of oxidation effectiveness; 3. adopt secondary ozone method for generation, make the ozone content of handling in the stove higher, surface treatment effect is better, and the interlaminar shear strength of carbon-fibre reinforced epoxy resin composite material and other performance improve a lot.
Below by the accompanying drawing that provides the utility model and embodiment are elaborated.
Accompanying drawing is depicted as according to the surface treatment of carbon fibers apparatus structure schematic diagram that the utility model proposes.
1 is to handle stove brace table, the 2nd, bearing I, the 3rd, following adjustable plate among the figure, the 4th, deflector roll seat, the 5th, carbon fiber, the 6th, high temperature carbonization outlet of still drawing roller, the 7th, pressure roller, the 8th, conductive rollers, the 9th, adjusted plate, the 10th, closure plate, the 11st, surface treatment stove I, the 12nd, handle, the 13rd, pressure roller, the 14th, conductive rollers, the 15th, surface treatment stove II, the 16th, ultraviolet light reflecting plate, the 17th, retainer plate, the 18th, intermediate plate, the 19th, lamp socket, the 20th, pressure roller, the 21st, receive the silk machine, the 22nd, conductive rollers, the 23rd, uviol lamp, the 24th, gas distribution tube, the 25th, bearing II, the 26th, ozone generator.
This surface treatment of carbon fibers device comprises 2 surface treatment stoves 11 and 15 that independently are connected in series, and body of heater is supported by brace table 1 and bearing 2 and 25.Lateral arrangement has ultraviolet light reflecting plate 16, ultraviolet lamp tube 23 and ozone gas distributor pipe 24 in the body of heater, and this gas distribution tube ozone generator 26 outer with being installed in body of heater is connected, and ozone is uniformly distributed in the body of heater.On the deflector roll seat 4 outside the body of heater pressure roller 7,13,20 and conductive rollers 8,14 and 22 are installed, pressure roller is pressed in carbon fiber 5 on the conductive rollers, conductive rollers is connected with the current feedback circuit of externally fed, by exporting pulse current or constant current with contacting to carbon fiber of carbon fiber.Handle the closed container of stove, covered handle 12 for renovating.The entrance end of handling stove is provided with up-down adjustment plate 3 and 9, can wear silk and adjusting, repair apparatus easily.
The utility model can directly be connected with the carbon fiber process units, makes it continuously by receiving silk by receiving the silk machine after this device.The used circuit part of this device can adopt classical circuit to finish.Carbon fiber the wire passage of the process members that except that conductive rollers, all adopt insulators or handle through insulation, its objective is that the carbon fiber broken end silk that prevents operation in the surface treatment stove contacts the short circuit that causes because of sagging with member, simultaneously, electrifying system should have good ground wire, to guarantee personal safety.Designed ultraviolet light reflecting plate can be through press polished stainless steel part in the stove, or press polished aluminum component, also coated glass workpiece.Described uviol lamp can be a common uv lamp, and preferably wavelength is the special uviol lamp of 1700-2100A, latter's better effects if.Treating apparatus main technologic parameters of the present utility model is as follows:
Operating voltage: 8-30V
Tm： 10－100s
Tn： 10－80s.
Im： 0.05－0.5A
Gas flow Q:0.1-0.4m
3/ h
Carbon fiber is handled the tow number: the 1-200 bundle
The speed of service: 60-100m/h
Embodiment 1
Tensile strength is 1K polyacrylonitrile-based carbon fibre 100 bundles of 2880MPa, with 70 meters/time speed continuously by surface treatment stove 11 and 15, apply pulse voltage 15V and pulse current 8A by the carbon fiber of source current adjuster (not shown) in the surface treatment stove, the characteristic value of pulse is tm=20s, tn=20s, Im=0.08A, Oxygen Flow heavily is 0.15m
3/ h, ozone content are 1.44%(V), the carbon fiber surface temperature is 130 ℃ during pulse electrifying, surface temperature is 40 ℃ during the pulse outage.
Carbon fiber after the surface treatment and epoxy resin AG-80 and curing agent DDS make unidirectional composite material sheet material, surveying its ILSS according to GB3357-82 is 85.2MPa, and the CV value is 5.5%, under similarity condition, ILSS without surface processed carbon fiber is 59.40MPa, CV value 5.6%.The ILSS increase rate is 43.4%.
Embodiment 2
Polyacrylonitrile-based carbon fibre, the average tensile strength of 100 bundles is 329MPa, continuous through drawing roller 6 by the surface treatment stove, speed be 70 meters/time, apply 15 volts of voltages by the carbon fiber of current/voltage adjusting apparatus (not drawing among the figure) in conductive rollers 14 and 8, the 22 pairs of surface treatment stoves 11 and 15, electric current at this moment is 8A, the surface temperature of carbon fiber is 100 ℃, meanwhile, enter ozone generator 26 after oxygen drying and the flowmeter metering, flow is 0.15m
3/ h, containing ozone amount is 1.44%(V), and open uviol lamp 23.Through the carbon fiber of above-mentioned processing, make unidirectional composite material sheet material with four-functional group epoxy resin AG-80 and curing agent DDS, carry out the interlaminar shear strength test by GB3357-82, the result is 90.1MPa, the CV value is 2.67%.
Under similarity condition, be not open ozone generator, do not open the heating of uviol lamp and no power, the ILSS that surveys is 58.0MPa, and the CV value is 16.9%, and obviously, after surface treatment, the increase rate of ILSS is 55.3%, and dispersiveness significantly reduces.
Embodiment 3
Tensile strength is 1k carbon fiber 100 bundles of 3386MPa, applies voltage 20V, and electric current is 10A, and the carbon fiber surface temperature is 110 ℃, and other conditions are with embodiment 1.The ILSS that surveys is 93.2MPa, and the CV value is 2.45%, and increase rate is 60.7%.
Claims (4)
1, a kind of surface treatment of carbon fibers device, comprise two surface treatment stove (11) and (15) that are connected in series, it is characterized in that lateral arrangement has ultraviolet light reflecting plate (16), uviol lamp (23) and gas distribution tube (24) in the surface treatment stove, gas distribution tube is connected with body of heater ozone generator (26) outward, handling stove both sides and centre has conductive rollers (8), (14) and (22), and conductive rollers is connected with current pulser.
2, treating apparatus as claimed in claim 1 is characterized in that described ultraviolet light reflecting plate can be through press polished stainless steel part, aluminum component, can also be coated glass workpiece.
3, treating apparatus as claimed in claim 1 is characterized in that described uviol lamp can be a common uv lamp, and preferably wavelength is the uviol lamp of 1700-2100A.
4,, it is characterized in that the parts that wire passage other parts except that conductive rollers are insulator or handle through insulation as the described treating apparatus of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94220917 CN2214421Y (en) | 1994-09-22 | 1994-09-22 | Continuous carbon fibre surface treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94220917 CN2214421Y (en) | 1994-09-22 | 1994-09-22 | Continuous carbon fibre surface treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2214421Y true CN2214421Y (en) | 1995-12-06 |
Family
ID=33835371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94220917 Expired - Fee Related CN2214421Y (en) | 1994-09-22 | 1994-09-22 | Continuous carbon fibre surface treatment unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2214421Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410444C (en) * | 2006-10-11 | 2008-08-13 | 武汉科技学院 | Pretreating equipment for improving yarn sizing performance |
| CN102912477A (en) * | 2012-11-13 | 2013-02-06 | 南通芯迎设计服务有限公司 | Production equipment for polyacrylonitrile-based carbon fiber (PAN-CF) |
| CN105671691A (en) * | 2012-11-13 | 2016-06-15 | 耿云花 | Process for producing polyacrylonitrile-based carbon fibers |
| US10378125B2 (en) | 2013-05-07 | 2019-08-13 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for processing carbon fiber strands |
| CN115710817A (en) * | 2022-10-07 | 2023-02-24 | 河南师范大学 | Method for preparing high-defect porous carbon fiber by ozone-assisted laser |
-
1994
- 1994-09-22 CN CN 94220917 patent/CN2214421Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410444C (en) * | 2006-10-11 | 2008-08-13 | 武汉科技学院 | Pretreating equipment for improving yarn sizing performance |
| CN102912477A (en) * | 2012-11-13 | 2013-02-06 | 南通芯迎设计服务有限公司 | Production equipment for polyacrylonitrile-based carbon fiber (PAN-CF) |
| CN105671691A (en) * | 2012-11-13 | 2016-06-15 | 耿云花 | Process for producing polyacrylonitrile-based carbon fibers |
| CN102912477B (en) * | 2012-11-13 | 2016-09-28 | 重庆科燃科技有限公司 | A kind of polyacrylonitrile-based carbon fibre produces equipment |
| US10378125B2 (en) | 2013-05-07 | 2019-08-13 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for processing carbon fiber strands |
| CN115710817A (en) * | 2022-10-07 | 2023-02-24 | 河南师范大学 | Method for preparing high-defect porous carbon fiber by ozone-assisted laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |