CN109929263A - Novel carbon fiber composite - Google Patents
Novel carbon fiber composite Download PDFInfo
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- CN109929263A CN109929263A CN201711362655.3A CN201711362655A CN109929263A CN 109929263 A CN109929263 A CN 109929263A CN 201711362655 A CN201711362655 A CN 201711362655A CN 109929263 A CN109929263 A CN 109929263A
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- carbon fiber
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 116
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 116
- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 21
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000806 elastomer Substances 0.000 claims abstract description 12
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- HJPOKQICBCJGHE-UHFFFAOYSA-J [C+4].[Cl-].[Cl-].[Cl-].[Cl-] Chemical compound [C+4].[Cl-].[Cl-].[Cl-].[Cl-] HJPOKQICBCJGHE-UHFFFAOYSA-J 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- -1 graphite Alkene Chemical class 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000003760 magnetic stirring Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 229910006124 SOCl2 Inorganic materials 0.000 claims 1
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Substances ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract description 4
- 238000003672 processing method Methods 0.000 abstract description 2
- 238000011282 treatment Methods 0.000 abstract description 2
- 239000002023 wood Substances 0.000 description 5
- 239000008236 heating water Substances 0.000 description 4
- 239000002134 carbon nanofiber Substances 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Landscapes
- Inorganic Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The present invention relates to technical field of composite materials, especially a kind of novel carbon fiber composite；Including elastomer and dispersion carbon fiber bundle in the elastomer, the volume fraction of carbon fiber bundle is 20-45% in composite material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber；The utility model has the advantages that the carbon fiber in the present invention is after treatment, surface activity is high, higher with the caking property of matrix, low with the wellability of the basis material of composite material, and the dispersion degree in basis material is high, is uniformly dispersed；Carbon fiber processing method is used in the present invention; it can not only protect the surface of carbon fiber that phenomena such as fluffing or be broken due to electrostatic will not occur in transport and use process; it can also be conducive to the combination effect of fiber and matrix, to be effectively improved the wellability of fiber surface.
Description
Technical field
The present invention relates to technical field of composite materials, especially a kind of novel carbon fiber composite.
Background technique
Carbon fiber is to be transformed by organic fiber by a series of heat treatments, and phosphorus content is higher than 90% inorganic high-performance
Fiber is a kind of new material of excellent in mechanical performance, the intrinsic person's character feature with carbon material, and has both the softness of textile fabric
Processable type, is reinforcing fiber of new generation.
Carbon fiber is mainly a kind of special fibre being made of carbon, and phosphorus content is different and different with type, is generally existed
90% or more.Carbon fiber has a characteristic of general carbon materials, such as high temperature resistant, rub resistance, conduction, thermally conductive and corrosion-resistant, but
Unlike general carbon materials, shape has significant anisotropy, softness, can be processed into various fabrics, along fiber axis
Direction shows very high intensity.Carbon fiber specific gravity is small, therefore has very high specific strength.
But carbon nano-fiber is low with the wellability of the basis material of composite material, and the dispersibility in basis material
Also low.In addition, especially because carbon nano-fiber has strong coherency between each other, so carbon nano-fiber is uniformly distributed to
It is very difficult in matrices of composite material.
Summary of the invention
The purpose of the present invention is: overcome deficiency in the prior art, provides that a kind of flexibility is high, finely dispersed New Type of Carbon
Fibrous composite.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of novel carbon fiber composite, the carbon fiber bundle including elastomer and dispersion in the elastomer, composite wood
The volume fraction of carbon fiber bundle is 20-45% in material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber.
Preferably, the average diameter of carbon fiber is 0.8-1.2nm in the carbon fiber bundle, and average length is 10-18 μm.
Preferably, the carbon fiber is modified carbon fiber, and modified carbon fiber is prepared by the following method:
(1) carbon fiber head-tail is fastened with tetrafluoroethene band, is placed in flask, concentrated nitric acid is added, aoxidizes 2h at 70 DEG C
Afterwards, it is in yellowish red color to solution, after being cooled to room temperature, the carbon fiber of acidification is taken out, and is extremely neutral wash with distilled water, 100 DEG C
1h is dried, for use；
(2) carbon fiber after being acidified in step (1) and dry is taken, is wrapped on rectangle glass frame, in beaker,
SOCl is added2And DMF solution, it mixes, the instrument bezel for being tied with fiber is fixed in 500ml beaker, 70 DEG C according to 10: 3 proportions
Water-bath 48h washes away fiber surface extra residual night with acetone after cooling, obtains chloride carbon fiber.
Preferably, the variation coefficient of the unit area total weight of fiber of the carbon fibre composite is 8% or less.
Preferably, the carbon fibre composite is made using aerodynamic-laid web method.
Preferably, the carbon fibre composite is crosslinked.
Preferably, the Fe2O3/ graphene grafting carbon fiber is prepared by the following method: by amidized Fe2O3/ graphite
Alkene pours into beaker after being dissolved in DMF, the carbon fiber after chloride is added, and carbon fiber is fixed in beaker, keeps carbon fiber
Dimension is soaked in the solution always, under 70 DEG C of temperature constant magnetic stirring heating water baths, adjusting reaction time 12h, for 24 hours, 36h, 48h,
It is cooled to room temperature after reaction, takes out fiber, for 24 hours, then drying for 24 hours, is obtained to surface and connect acetone reflux under magnetic field environment
The branch carbon fiber of graphene.
Preferably, the amidized Fe2O3/ graphene and chloride carbon fiber molar ratio are 1: 1.
It is using the beneficial effect of technical solution of the present invention:
1, after treatment, surface activity is high for the carbon fiber in the present invention, higher with the caking property of matrix, with composite wood
The wellability of the basis material of material is low, and the dispersion degree in basis material is high, is uniformly dispersed.
2, carbon fiber processing method is used in the present invention, and the surface of carbon fiber can not only be protected in transport and use process
In will not occur due to electrostatic fluff or be broken phenomena such as, moreover it is possible to the combination effect for being conducive to fiber and matrix, thus effectively
Improve the wellability of fiber surface.
Specific embodiment
The invention will be further described With reference to embodiment.
Embodiment 1
A kind of novel carbon fiber composite, the carbon fiber bundle including elastomer and dispersion in the elastomer, composite wood
The volume fraction of carbon fiber bundle is 20% in material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber；Carbon in carbon fiber bundle
The average diameter of fiber is 0.8nm, and average length is 10 μm, the variation of the unit area total weight of fiber of carbon fibre composite
Coefficient is 8% hereinafter, carbon fibre composite is made using aerodynamic-laid web method, and carbon fibre composite is crosslinked.
Carbon fiber is modified carbon fiber in the present embodiment, and modified carbon fiber is prepared by the following method:
(1) carbon fiber head-tail is fastened with tetrafluoroethene band, is placed in flask, concentrated nitric acid is added, aoxidizes 2h at 70 DEG C
Afterwards, it is in yellowish red color to solution, after being cooled to room temperature, the carbon fiber of acidification is taken out, and is extremely neutral wash with distilled water, 100 DEG C
1h is dried, for use；
(2) carbon fiber after being acidified in step (1) and dry is taken, is wrapped on rectangle glass frame, in beaker,
SOCl is added2And DMF solution, it mixes, the instrument bezel for being tied with fiber is fixed in 500ml beaker, 70 DEG C according to 10: 3 proportions
Water-bath 48h washes away fiber surface extra residual night with acetone after cooling, obtains chloride carbon fiber.
Fe in the present embodiment2O3/ graphene grafting carbon fiber is prepared by the following method: by amidized Fe2O3/ graphite
Alkene pours into beaker after being dissolved in DMF, the carbon fiber after chloride is added, and carbon fiber is fixed in beaker, amidized
Fe2O3/ graphene and chloride carbon fiber molar ratio are 1: 1, keep carbon fiber to soak always in the solution, in 70 DEG C of constant temperature magnetic force
It stirring under heating water bath, adjusting reaction time 12h, for 24 hours, 36h, 48h are cooled to room temperature after reaction, taking-up fiber, and third
Ketone flows back for 24 hours, and then drying for 24 hours, obtains the carbon fiber of surface grafting graphene under magnetic field environment.
Embodiment 2
A kind of novel carbon fiber composite, the carbon fiber bundle including elastomer and dispersion in the elastomer, composite wood
The volume fraction of carbon fiber bundle is 30% in material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber；Carbon in carbon fiber bundle
The average diameter of fiber is 1nm, and average length is 15 μm, the variation system of the unit area total weight of fiber of carbon fibre composite
For number for 8% hereinafter, carbon fibre composite is made using aerodynamic-laid web method, carbon fibre composite is crosslinked.
Carbon fiber is modified carbon fiber in the present embodiment, and modified carbon fiber is prepared by the following method:
(1) carbon fiber head-tail is fastened with tetrafluoroethene band, is placed in flask, concentrated nitric acid is added, aoxidizes 2h at 70 DEG C
Afterwards, it is in yellowish red color to solution, after being cooled to room temperature, the carbon fiber of acidification is taken out, and is extremely neutral wash with distilled water, 100 DEG C
1h is dried, for use；
(2) carbon fiber after being acidified in step (1) and dry is taken, is wrapped on rectangle glass frame, in beaker,
SOCl is added2And DMF solution, it mixes, the instrument bezel for being tied with fiber is fixed in 500ml beaker, 70 DEG C according to 10: 3 proportions
Water-bath 48h washes away fiber surface extra residual night with acetone after cooling, obtains chloride carbon fiber.
Fe in the present embodiment2O3/ graphene grafting carbon fiber is prepared by the following method: by amidized Fe2O3/ graphite
Alkene pours into beaker after being dissolved in DMF, the carbon fiber after chloride is added, and carbon fiber is fixed in beaker, amidized
Fe2O3/ graphene and chloride carbon fiber molar ratio are 1: 1, keep carbon fiber to soak always in the solution, in 70 DEG C of constant temperature magnetic force
It stirring under heating water bath, adjusting reaction time 12h, for 24 hours, 36h, 48h are cooled to room temperature after reaction, taking-up fiber, and third
Ketone flows back for 24 hours, and then drying for 24 hours, obtains the carbon fiber of surface grafting graphene under magnetic field environment.
Embodiment 3
A kind of novel carbon fiber composite, the carbon fiber bundle including elastomer and dispersion in the elastomer, composite wood
The volume fraction of carbon fiber bundle is 45% in material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber；Carbon in carbon fiber bundle
The average diameter of fiber is 1.2nm, and average length is 18 μm, the variation of the unit area total weight of fiber of carbon fibre composite
Coefficient is 8% hereinafter, carbon fibre composite is made using aerodynamic-laid web method, and carbon fibre composite is crosslinked.
Carbon fiber is modified carbon fiber in the present embodiment, and modified carbon fiber is prepared by the following method:
(1) carbon fiber head-tail is fastened with tetrafluoroethene band, is placed in flask, concentrated nitric acid is added, aoxidizes 2h at 70 DEG C
Afterwards, it is in yellowish red color to solution, after being cooled to room temperature, the carbon fiber of acidification is taken out, and is extremely neutral wash with distilled water, 100 DEG C
1h is dried, for use；
(2) carbon fiber after being acidified in step (1) and dry is taken, is wrapped on rectangle glass frame, in beaker,
SOCl is added2And DMF solution, it mixes, the instrument bezel for being tied with fiber is fixed in 500ml beaker, 70 DEG C according to 10: 3 proportions
Water-bath 48h washes away fiber surface extra residual night with acetone after cooling, obtains chloride carbon fiber.
Fe in the present embodiment2O3/ graphene grafting carbon fiber is prepared by the following method: by amidized Fe2O3/ graphite
Alkene pours into beaker after being dissolved in DMF, the carbon fiber after chloride is added, and carbon fiber is fixed in beaker, amidized
Fe2O3/ graphene and chloride carbon fiber molar ratio are 1: 1, keep carbon fiber to soak always in the solution, in 70 DEG C of constant temperature magnetic force
It stirring under heating water bath, adjusting reaction time 12h, for 24 hours, 36h, 48h are cooled to room temperature after reaction, taking-up fiber, and third
Ketone flows back for 24 hours, and then drying for 24 hours, obtains the carbon fiber of surface grafting graphene under magnetic field environment.
The performance test of carbon fibre composite:
Tension test is carried out to the carbon fibre composite in embodiment 1-3, specific experiment data are shown in Table 1.
Table 1
Elasticity modulus, which can be considered, measures the index that material generates elastic deformation complexity, and elasticity modulus is bigger, makes material
The stress that a member flexible deformation occurs is also bigger, i.e., under certain stress, fiber generation elastic deformation is smaller, and rigidity is good,
Intensity is high.
It can be seen from table compared with other materials, carbon fiber, which has, compares intensity and specific modulus height, production mechanical property
The advantages that excellent.Carbon fiber bundle
The volume fraction of carbon fiber bundle influences the performance of carbon fibre composite, the only body of carbon fiber in embodiment 4-6
Fraction is different, remaining content is shown in Table 2 with embodiment 2, specific testing result.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (8)
1. a kind of novel carbon fiber composite, it is characterised in that: including the carbon fiber of elastomer and dispersion in the elastomer
Beam, the volume fraction of carbon fiber bundle is 20-45% in composite material, and the carbon fiber uses Fe2O3/ graphene is grafted carbon fiber.
2. novel carbon fiber composite according to claim 1, it is characterised in that: carbon fiber in the carbon fiber bundle
Average diameter is 0.8-1.2nm, and average length is 10-18 μm.
3. novel carbon fiber composite according to claim 1, it is characterised in that: the carbon fiber is modified carbon fiber
Dimension, modified carbon fiber are prepared by the following method:
(1) carbon fiber head-tail is fastened with tetrafluoroethene band, is placed in flask, concentrated nitric acid is added, after aoxidizing 2h at 70 DEG C, to
Solution is in yellowish red color, and after being cooled to room temperature, the carbon fiber of acidification is taken out, and wash with distilled water to neutral, 100 DEG C of drying
1h, for use；
(2) carbon fiber after being acidified in step (1) and dry is taken, is wrapped on rectangle glass frame, in beaker, is added
SOCl2And DMF solution, it mixes, the instrument bezel for being tied with fiber is fixed in 500ml beaker, 70 DEG C of water-baths according to 10: 3 proportions
48h is reacted, fiber surface extra residual night is washed away with acetone after cooling, obtains chloride carbon fiber.
4. novel carbon fiber composite according to claim 1, it is characterised in that: the list of the carbon fibre composite
The variation coefficient of plane product total weight of fiber is 8% or less.
5. novel carbon fiber composite according to claim 1, it is characterised in that: the carbon fibre composite uses
Aerodynamic-laid web method is made.
6. novel carbon fiber composite according to claim 1, it is characterised in that: the carbon fibre composite is to hand over
It is conjuncted.
7. novel carbon fiber composite according to claim 1, it is characterised in that: the Fe2O3/ graphene grafted carbon
Fiber is prepared by the following method: by amidized Fe2O3/ graphene pours into beaker after being dissolved in DMF, after chloride is added
Carbon fiber, and carbon fiber is fixed in beaker, keeps carbon fiber to soak always in the solution, in 70 DEG C of temperature constant magnetic stirring water
Under bath heating, adjusting reaction time 12h, for 24 hours, 36h, 48h are cooled to room temperature after reaction, take out fiber, acetone reflux
For 24 hours, then drying for 24 hours, obtains the carbon fiber of surface grafting graphene under magnetic field environment.
8. novel carbon fiber composite according to claim 7, it is characterised in that: the amidized Fe2O3/ graphite
Alkene and chloride carbon fiber molar ratio are 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362655.3A CN109929263A (en) | 2017-12-15 | 2017-12-15 | Novel carbon fiber composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362655.3A CN109929263A (en) | 2017-12-15 | 2017-12-15 | Novel carbon fiber composite |
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| CN109929263A true CN109929263A (en) | 2019-06-25 |
Family
ID=66982320
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| CN201459490U (en) * | 2009-05-11 | 2010-05-12 | 余姚市汇合塑化有限公司 | Carbon fiber composite material |
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| WO2011120008A1 (en) * | 2010-03-26 | 2011-09-29 | University Of Hawaii | Nanomaterial-reinforced resins and related materials |
| WO2012089081A1 (en) * | 2010-12-28 | 2012-07-05 | 上海杰事杰新材料(集团)股份有限公司 | Nano particle/polyamide composite material, preparation method therefor, and use thereof |
| CN102787488A (en) * | 2012-07-30 | 2012-11-21 | 哈尔滨工业大学 | Method for preparing graphene oxide grafting surface modification carbon fiber |
| CN104093771A (en) * | 2012-02-09 | 2014-10-08 | 东丽株式会社 | Carbon fiber composite material |
-
2017
- 2017-12-15 CN CN201711362655.3A patent/CN109929263A/en active Pending
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|---|---|---|---|---|
| CN101733938A (en) * | 2008-11-11 | 2010-06-16 | 和硕联合科技股份有限公司 | Method for manufacturing carbon fiber composite material |
| CN201459490U (en) * | 2009-05-11 | 2010-05-12 | 余姚市汇合塑化有限公司 | Carbon fiber composite material |
| WO2011120008A1 (en) * | 2010-03-26 | 2011-09-29 | University Of Hawaii | Nanomaterial-reinforced resins and related materials |
| WO2012089081A1 (en) * | 2010-12-28 | 2012-07-05 | 上海杰事杰新材料(集团)股份有限公司 | Nano particle/polyamide composite material, preparation method therefor, and use thereof |
| CN104093771A (en) * | 2012-02-09 | 2014-10-08 | 东丽株式会社 | Carbon fiber composite material |
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Application publication date: 20190625 |