CN102877311A - Sizing agent for carbon fiber composite repairing and application method thereof - Google Patents
Sizing agent for carbon fiber composite repairing and application method thereof Download PDFInfo
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- CN102877311A CN102877311A CN2012104134415A CN201210413441A CN102877311A CN 102877311 A CN102877311 A CN 102877311A CN 2012104134415 A CN2012104134415 A CN 2012104134415A CN 201210413441 A CN201210413441 A CN 201210413441A CN 102877311 A CN102877311 A CN 102877311A
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- sizing agent
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Abstract
The invention discloses a sizing agent for carbon fiber composite repairing and an application method thereof, which relate to a sizing agent and an application method thereof. The invention is designed for solving the problem that in the process of repairing carbon fiber composites, the repairing efficiency is low and the cost is high. The sizing agent disclosed by the invention consists of the following components in percentage by mass: polyesterimide, dichloromethane and an additive. The application method of the sizing agent comprises the following steps of: 1, soaking carbon fibers into the sizing agent so as to form an adsorption layer; 2, carrying out frictioning processing; 3, soaking the carbon fibers subjected to frictioning processing into ethanol, after the carbon fibers are taken out, soaking the carbon fibers into distilled water and oscillating the carbon fibers by using ultrasonic waves, and then drying the carbon fibers so as to obtain carbon fibers with the sizing agent; and 4, contacting the carbon fibers with the sizing agent with a matrix, and then carrying out power-on repairing on the carbon fibers. According to the sizing agent for carbon fiber composite repairing disclosed by the invention, the repairing cost is reduced, the repairing efficiency is improved, and the repairing efficiency is 93-97%. The sizing agent and application method thereof disclosed by the invention are applicable to the fields of sports equipment, chemical machines and medical sciences.
Description
Technical field
The present invention relates to a kind of sizing agent and using method thereof.
Background technology
The main application of carbon fiber is compound with matrixes such as resin, metal, potteries, makes structural material.Carbon-fibre reinforced epoxy resin composite material, its specific strength, specific modulus overall target are the highest in the existing structure material.Density, rigidity, weight, etc. the field of strict demand arranged, requiring high temperature, occasion that chemical stability is high, carbon fibre composite all has much advantage.But because carbon fibre composite is after damage, rehabilitation cost height and remediation efficiency are low, and therefore a lot of carbon fibre composites go out of use after damage, have caused the very large wasting of resources.The general microballoon capsule that adopts is repaired carbon fibre composite now, but the microballoon capsule is relatively more expensive, and cost is higher, and remediation efficiency is lower in this way, and remediation efficiency is 60～70%.
Summary of the invention
The present invention will solve to have now repairing the high and low problem of existing method remediation efficiency of carbon fibre composite cost, and a kind of sizing agent and using method thereof for the carbon fibre composite reparation is provided.
A kind of sizing agent for the carbon fibre composite reparation is to be made by 0.05～3 part of PEI, 97～99.5 parts of carrene and 0.05～3 part of auxiliary agent by mass fraction.
The using method that is used for the sizing agent of carbon fibre composite reparation is to carry out according to the following steps: one, carbon fiber is flooded 1～15s at the sizing agent that is used for the carbon fibre composite reparation, form adsorption layer; Two, then the carbon fiber behind the dipping is carried out frictioning and process, the thickness that makes adsorption layer is 0.05～1.3 μ m; Three, the carbon fiber after the frictioning processing is flooded 1～15s in ethanol, immerse after taking out and use ultrasonic oscillation 4～6min in the distilled water, then hyperacoustic frequency 90KHz dries, and obtains the carbon fiber with sizing agent; Four, carbon fiber and the substrate contact with the sizing agent that step 3 are obtained, the reparation of then switching on, electrical current is 5～10mA, be 0.5～2min conduction time.
The present invention is used for the sizing agent that carbon fibre composite is repaired, and is the organic solvent that can recycle, has reduced the rehabilitation cost of carbon fibre composite.This method can improve the interfacial combined function of carbon fiber/thermosetting epoxy resin based composites, thus energising carry out hot repair and make again sizing agent melt again to solidify to have improved remediation efficiency, remediation efficiency is 93～97%.
The specific embodiment
The specific embodiment one: a kind of sizing agent for the carbon fibre composite reparation of present embodiment is to be made by 0.05～3 part of PEI, 97～99.5 parts of carrene and 0.05～3 part of auxiliary agent by mass fraction.
This specific embodiment is used for the sizing agent that carbon fibre composite is repaired, and is the organic solvent that can recycle, has reduced rehabilitation cost.
The specific embodiment two: what present embodiment and the specific embodiment one were different is that the sizing agent that is used for the carbon fibre composite reparation is to be made by 0.5～2.5 part of PEI, 97.5～99 parts of carrene and 0.5～2.5 part of auxiliary agent by mass fraction.Other is identical with the specific embodiment one.
The specific embodiment three: what present embodiment was different from the specific embodiment one or two is that the sizing agent that is used for the carbon fibre composite reparation is to be made by 1～2 part of PEI, 98～98.5 parts of carrene and 1～2 part of auxiliary agent by mass fraction.Other is identical with the specific embodiment one or two.
The specific embodiment four: what present embodiment was different from one of specific embodiment one to three is that the sizing agent that is used for the carbon fibre composite reparation is to be made by 1 part of PEI, 98 parts of carrene and 1 part of auxiliary agent by mass fraction.Other is identical with one of specific embodiment one to three.
The specific embodiment five: what present embodiment was different from one of specific embodiment one to four is that auxiliary agent is mixture, polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether or the secondary octanol polyoxyethylene ether that polyoxyethylene ether and polyethenoxy ether are mixed by any ratio.Other is identical with one of specific embodiment one to four.
The specific embodiment six: being used for the using method of the sizing agent of carbon fibre composite reparation, is to carry out according to the following steps: one, carbon fiber is flooded 1～15s at the sizing agent that is used for the carbon fibre composite reparation, form adsorption layer; Two, then the carbon fiber behind the dipping is carried out frictioning and process, the thickness that makes adsorption layer is 0.05～1.3 μ m; Three, the carbon fiber after the frictioning processing is flooded 1～15s in ethanol, immerse after taking out and use ultrasonic oscillation 4～6min in the distilled water, then hyperacoustic frequency 90KHz dries, and obtains the carbon fiber with sizing agent; Four, carbon fiber and the substrate contact with the sizing agent that step 3 are obtained, the reparation of then switching on, electrical current is 5～10mA, be 0.5～2min conduction time.
Present embodiment can improve the interfacial combined function of carbon fiber/thermosetting epoxy resin based composites, thus energising carry out hot repair and make again sizing agent melt again to solidify to have improved remediation efficiency, remediation efficiency is 93～97%.
The specific embodiment seven: what present embodiment and the specific embodiment six were different is that the thickness of adsorption layer is 0.05～1.3 μ m in the step 2.Other is identical with the specific embodiment six.
The specific embodiment eight: what present embodiment was different from the specific embodiment six or seven is, bake out temperature is 250 ℃ in the step 3, and drying time is 1h.Other is identical with the specific embodiment six or seven.
The specific embodiment nine: what present embodiment was different from one of specific embodiment six to eight is to use ultrasonic oscillation 5min in the step 3.Other is identical with one of specific embodiment six to eight.
The specific embodiment ten: what present embodiment was different from one of specific embodiment six to nine is, electrical current is 7mA in the step 4, and be 1min conduction time.Other is identical with one of specific embodiment six to nine.
By following verification experimental verification beneficial effect of the present invention
Test 1
1, test material
The sizing agent that is used for the carbon fibre composite reparation is to be made by 1 part of PEI, 98 parts of carrene and 1 part of polyoxyethylene ether by mass fraction.
2, test method
The preparation method who is used for the sizing agent of carbon fibre composite reparation is: 1 part of PEI is dissolved in 98 parts of carrene forms main slurry, add 1 part of polyoxyethylene ether again, obtain the sizing agent of repairing for carbon fibre composite after the stirring.
The restorative procedure of carbon fibre composite is: one, carbon fiber is flooded 10s at the sizing agent that is used for the carbon fibre composite reparation, form adsorption layer; Two, then the carbon fiber behind the dipping is carried out frictioning and process, the thickness that makes adsorption layer is 0.15 μ m; Three, the carbon fiber after the frictioning processing is flooded 10s in ethanol, immerse in the distilled water after taking out and use ultrasonic oscillation 5min, hyperacoustic frequency 90KHz, then oven dry obtains the carbon fiber with sizing agent; Four, the carbon fiber with sizing agent that step 3 is obtained contacts with thermosetting epoxy resin, the reparation of then switching on, and electrical current is 7mA, be 1min conduction time.
3, experimental result
Be 97% by interface shear strength measurements determination remediation efficiency.
Claims (10)
1. one kind is used for the sizing agent that carbon fibre composite is repaired, and it is characterized in that the sizing agent for the carbon fibre composite reparation is to be made by 0.05～3 part of PEI, 97～99.5 parts of carrene and 0.05～3 part of auxiliary agent by mass fraction.
2. a kind of sizing agent for the carbon fibre composite reparation according to claim 1 is characterized in that the sizing agent for the carbon fibre composite reparation is to be made by 0.5～2.5 part of PEI, 97.5～99 parts of carrene and 0.5～2.5 part of auxiliary agent by mass fraction.
3. a kind of sizing agent for the carbon fibre composite reparation according to claim 1 is characterized in that the sizing agent for the carbon fibre composite reparation is to be made by 1～2 part of PEI, 98～98.5 parts of carrene and 1～2 part of auxiliary agent by mass fraction.
4. a kind of sizing agent for the carbon fibre composite reparation according to claim 1 is characterized in that the sizing agent for the carbon fibre composite reparation is to be made by 98 parts of carrene of 1 part of PEI and 1 part of auxiliary agent by mass fraction.
5. a kind of sizing agent for the carbon fibre composite reparation according to claim 1 is characterized in that auxiliary agent is mixture, polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol-polyoxyethylene ether or the secondary octanol polyoxyethylene ether that polyoxyethylene ether and polyethenoxy ether are mixed by any ratio.
6. the using method of the sizing agent of repairing for carbon fibre composite as claimed in claim 1, it is characterized in that the using method for the sizing agent of carbon fibre composite reparation is to carry out according to the following steps: one, carbon fiber is flooded 1～15s at the sizing agent that is used for the carbon fibre composite reparation, form adsorption layer; Two, then the carbon fiber behind the dipping is carried out frictioning and process, the thickness that makes adsorption layer is 0.05～1.3 μ m; Three, the carbon fiber after the frictioning processing is flooded 1～15s in ethanol, immerse after taking out and use ultrasonic oscillation 4～6min in the distilled water, then hyperacoustic frequency 85～95KHz dries, and obtains the carbon fiber with sizing agent; Four, carbon fiber and the substrate contact with the sizing agent that step 3 are obtained, the reparation of then switching on, electrical current is 5～10mA, be 0.5～2min conduction time.
7. the using method of the sizing agent of repairing for carbon fibre composite according to claim 6, the thickness that it is characterized in that adsorption layer in the step 2 is 0.05～1.3 μ m.
8. the using method of the sizing agent of repairing for carbon fibre composite according to claim 6 is characterized in that the temperature of drying in the step 3 is 250 ℃, and drying time is 1h.
9. the using method of the sizing agent of repairing for carbon fibre composite according to claim 6 is characterized in that using in the step 3 ultrasonic oscillation 5min.
10. the using method of the sizing agent of repairing for carbon fibre composite according to claim 6 is characterized in that electrical current is 7mA in the step 4, and be 1min conduction time.
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| CN201210413441.5A CN102877311B (en) | 2012-10-25 | 2012-10-25 | Sizing agent for carbon fiber composite repairing and application method thereof |
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| CN201210413441.5A CN102877311B (en) | 2012-10-25 | 2012-10-25 | Sizing agent for carbon fiber composite repairing and application method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205008A (en) * | 2013-04-12 | 2013-07-17 | 哈尔滨工业大学 | Method for improving interface toughness of carbon fiber reinforced epoxy resin matrix composite |
| CN103757927A (en) * | 2014-01-13 | 2014-04-30 | 中国科学院山西煤炭化学研究所 | Polyetherimide aqueous emulsion type carbon fiber sizing agent as well as preparation method and application thereof |
| CN109722745A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polyetherimide resin based composites carbon fiber and preparation method thereof |
| CN109722899A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polyetherimide resin base carbon fibre suspension sizing agent and preparation method thereof |
| CN110435239A (en) * | 2019-06-28 | 2019-11-12 | 东华大学 | Multiple dimensioned epoxy resin toughened base carbon fiber composite material of one kind and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999867A (en) * | 2006-12-20 | 2007-07-18 | 中国科学院山西煤炭化学研究所 | Temp, resisting type carbon fibre emulsion sizing agent and its preparation process and application |
| CN101250742A (en) * | 2008-03-24 | 2008-08-27 | 天津工业大学 | Method for improving interface performance of conductive fiber composite material |
| JP2008274520A (en) * | 2007-04-04 | 2008-11-13 | Toray Ind Inc | Sizing agent for carbon fiber and carbon fiber bundle |
| CN102660874A (en) * | 2012-06-06 | 2012-09-12 | 哈尔滨工业大学 | Thermoplasticity sizing agent for carbon fiber and preparation and usage thereof |
-
2012
- 2012-10-25 CN CN201210413441.5A patent/CN102877311B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999867A (en) * | 2006-12-20 | 2007-07-18 | 中国科学院山西煤炭化学研究所 | Temp, resisting type carbon fibre emulsion sizing agent and its preparation process and application |
| JP2008274520A (en) * | 2007-04-04 | 2008-11-13 | Toray Ind Inc | Sizing agent for carbon fiber and carbon fiber bundle |
| CN101250742A (en) * | 2008-03-24 | 2008-08-27 | 天津工业大学 | Method for improving interface performance of conductive fiber composite material |
| CN102660874A (en) * | 2012-06-06 | 2012-09-12 | 哈尔滨工业大学 | Thermoplasticity sizing agent for carbon fiber and preparation and usage thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205008A (en) * | 2013-04-12 | 2013-07-17 | 哈尔滨工业大学 | Method for improving interface toughness of carbon fiber reinforced epoxy resin matrix composite |
| CN103757927A (en) * | 2014-01-13 | 2014-04-30 | 中国科学院山西煤炭化学研究所 | Polyetherimide aqueous emulsion type carbon fiber sizing agent as well as preparation method and application thereof |
| CN103757927B (en) * | 2014-01-13 | 2016-01-20 | 中国科学院山西煤炭化学研究所 | PEI aqueous emulsion type carbon fiber sizing agent and method for making and application |
| CN109722745A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polyetherimide resin based composites carbon fiber and preparation method thereof |
| CN109722899A (en) * | 2017-10-27 | 2019-05-07 | 中国石油化工股份有限公司 | A kind of polyetherimide resin base carbon fibre suspension sizing agent and preparation method thereof |
| CN109722745B (en) * | 2017-10-27 | 2021-12-07 | 中国石油化工股份有限公司 | Carbon fiber for polyetherimide resin matrix composite material and preparation method thereof |
| CN109722899B (en) * | 2017-10-27 | 2022-02-11 | 中国石油化工股份有限公司 | Polyetherimide resin-based carbon fiber suspension sizing agent and preparation method thereof |
| CN110435239A (en) * | 2019-06-28 | 2019-11-12 | 东华大学 | Multiple dimensioned epoxy resin toughened base carbon fiber composite material of one kind and preparation method thereof |
| CN110435239B (en) * | 2019-06-28 | 2021-11-09 | 东华大学 | Multi-scale toughened epoxy resin-based carbon fiber composite material and preparation method thereof |
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| CN102877311B (en) | 2014-06-04 |
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