CN111518300A - Preparation process of carbon fiber prepreg - Google Patents
Preparation process of carbon fiber prepreg Download PDFInfo
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- CN111518300A CN111518300A CN202010411648.3A CN202010411648A CN111518300A CN 111518300 A CN111518300 A CN 111518300A CN 202010411648 A CN202010411648 A CN 202010411648A CN 111518300 A CN111518300 A CN 111518300A
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- carbon fiber
- conductive powder
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- fiber prepreg
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 83
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 82
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 40
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000013329 compounding Methods 0.000 claims abstract description 12
- 239000002243 precursor Substances 0.000 claims abstract description 10
- 238000003892 spreading Methods 0.000 claims abstract description 6
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 239000011304 carbon pitch Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2363/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/06—Unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention provides a preparation process of a carbon fiber prepreg, which comprises the following steps: (1) spreading the precursor carbon fiber to a certain width by using spreading equipment; (2) adsorbing conductive powder on the spread carbon fiber dry belt by an electrostatic spraying method; (3) and compounding the carbon fiber attached with the conductive powder with resin to form the carbon fiber prepreg. The prepreg prepared by the process has the characteristics of high strength, small density, good plasticity, good formability, long service life and the like, and meanwhile, the conductive powder is adhered to the surface, so that the Z-axis conductivity is enhanced, and the conductivity of the carbon fiber prepreg is integrally improved.
Description
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a preparation process of a carbon fiber prepreg.
Background
The carbon fiber is a microcrystalline graphite material obtained by carbonizing and graphitizing organic fiber. The carbon fiber is a new material with excellent mechanical property, the specific gravity of the carbon fiber is less than 1/4 of steel, and the tensile strength of the carbon fiber resin composite material is generally more than 3500Mpa, which is 7-9 times of that of steel. Meanwhile, the conductive coating has excellent conductivity, chemical inertness, corrosion resistance, high temperature resistance and the like, is widely applied to the fields of civil use, military use, construction, chemical industry and aerospace, and the demand is increased year by year.
The carbon fiber prepreg is a semi-finished product prepared by compounding carbon fibers or fabrics and a resin matrix, and is a main intermediate material for manufacturing a composite material structural member. At present, the application development of the carbon fiber prepreg is fast, most of the carbon fiber prepreg is produced by professional chemical plants, and a large number of sizing products are provided for users to select, so that the market and the application field can be further widened by improving the overall performance of the carbon fiber prepreg.
Disclosure of Invention
The invention aims to provide a preparation process of a carbon fiber prepreg, the prepreg prepared by the process has the characteristics of high strength, small density, good plasticity, good formability, long service life and the like, and meanwhile, conductive powder is attached to the surface of the prepreg, so that the Z-axis conductivity is enhanced, and the conductivity of the carbon fiber prepreg is integrally improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation process of a carbon fiber prepreg comprises the following steps:
(1) spreading the precursor carbon fiber to a certain width by using spreading equipment;
(2) adsorbing conductive powder on the spread carbon fiber dry belt by an electrostatic spraying method;
(3) and compounding the carbon fiber attached with the conductive powder with resin to form the carbon fiber prepreg.
Further, the precursor carbon fiber is one carbon fiber or a plurality of carbon fibers arranged regularly or irregularly. The model number is 6k or 12 k.
Further, the precursor carbon fiber is PAN-based carbon fiber or pitch-based carbon fiber, and PAN-based carbon fiber is preferable.
Further, in the step (1), the width of the spread of the precursor carbon fiber is 15 mm-100 mm.
Further, in the step (2), the electrostatic spraying method is that a fan is used for enabling conductive powder to pass through an electrostatic generator concentration area, and then the powder is charged and mutually exclusive dispersed, so that the powder is adsorbed on the surface of the carbon fiber.
Further, in the step (2), the conductive powder is one of gold, silver, copper, tin, nickel, titanium and carbon.
Further, in the step (2), the average diameter of the conductive powder is 1-150 μm.
Further, in the step (3), the compounding process of the carbon fiber attached with the conductive powder and the resin is dry compounding or wet compounding, preferably wet compounding, specifically: the carbon fiber bundle with the conductive powder attached is dipped into the resin solution at a certain speed, and then dried and cured.
Further, in the step (3), the resin is a thermosetting resin, and the solvent of the resin solution is one of benzene, alcohol and ketone.
Further, in the step (3), the resin in the resin solution accounts for 30-60% of the total mass of the resin solution.
Further, in the step (3), the speed of the carbon fiber bundle attached with the conductive powder passing through the resin solution is 0.1-0.5 m/s.
Further, in the step (3), the gram weight of the conductive powder is 1-3 g/cm2。
The carbon fiber prepreg prepared by the preparation process has good electrical conductivity and resistivity as low as 0.8x10-3Omega cm, can be used for preparing high-performance electromagnetic shielding, wave-absorbing stealth and lightning protection functional prepreg.
Compared with the prior art, the invention has the beneficial effects that:
1. in the preparation process, conductive powder is attached to the surface of the carbon fiber through an external electromagnetic field and is arranged on the Z axis, so that the conductivity of the carbon fiber prepreg can be enhanced; and simultaneously, the area quality and the thickness of the carbon fiber prepreg are increased.
2. The carbon fiber prepreg prepared by the process has the characteristics of high strength, small density, good corrosion resistance, flexibility and plasticity, good processing consistency and long service life, and meanwhile, the conductive powder is adhered to the surface, so that the Z-axis conductivity is enhanced, and the conductivity of the carbon fiber prepreg is integrally improved.
Drawings
FIG. 1 is a flow chart of a process for preparing a carbon fiber prepreg according to the present invention;
in the figure, 1-precursor carbon fiber; 2-a broadening device; 3, a fan; 4-conductive powder; 5-electrostatic generator concentration zone; 6-resin solution; 7-baking oven; 8-release paper; 9-prepreg.
Detailed Description
The invention provides a preparation process of a carbon fiber prepreg, which is shown in figure 1 and specifically comprises the following steps: carry out the broadening with precursor carbon fiber 1 through the different rollers of various rotational speeds in the broadening equipment 2, blow in electrostatic generator concentration district 5 with conductive powder 4 through fan 3 again, make the electrified mutual exclusion dispersion of powder, can adsorb on the carbon fiber surface for a long time, with carbon fiber bundle according to certain speed impregnating resin solution 6, the fibre gets into oven 7 and dries, then surface laminating from type paper 8 about the carbon fiber, forms prepreg 9 rolling at last.
The present invention will be described in further detail with reference to examples.
Example 1
The process adopts T700 PAN-based high-strength carbon fiber, the fiber is expanded to 60mm, the resin adopts epoxy resin, the solvent adopts acetone, the resin accounts for 40 percent in the resin solution, the forward traction speed of the fiber is 0.3m/s, the conductive powder adopts carbon fiber powder, and the gram weight is 1.5g/cm2The electrical resistivity of the prepreg prepared by the process is 1.0x10-3Ω·cm~1.1x10-3Omega cm, and the material can be made into a small energy storage element with a specific structure through a die pressing process.
Example 2
The process adopts T800 PAN-based high-strength carbon fiber with the width of 80mm, the resin adopts polyimide resin, the solvent adopts methyl pyrrolidone, the resin accounts for 40 percent in the resin solution, the forward traction speed of the fiber is 0.4m/s, the conductive powder adopts carbon fiber powder, and the gram weight is 1g/cm2The electrical resistivity of the prepreg prepared by the process is 1.1x10-3Ω·cm~1.3x10-3Omega cm, the conductive paper can play the role of electromagnetic shielding when the conductive paper is made by laminating the conductive paper with common paper.
Example 3
The process adopts M40J PAN-based high-strength high-modulus carbon fiber, the width is 60mm, the resin adopts epoxy resin, the solvent adopts acetone, the resin accounts for 40% of the resin solution, the forward traction speed of the fiber is 0.3M/s, the conductive powder adopts carbon fiber powder, and the gram weight is 1.5g/cm2The electrical resistivity of the prepreg prepared by the process is 0.8x10-3Ω·cm~1.0x10-3Omega cm, can make it into small-size unmanned aerial vehicle fuselage through the mould pressing technology to reach the effect of absorbing the ripples stealthy.
Example 4
The process adopts M60J PAN-based high-strength high-modulus carbon fiber, the width of the carbon fiber is 80mm, the resin adopts polyimide resin, the solvent adopts methyl pyrrolidone, the resin accounts for 40% of the resin solution, the forward traction speed of the fiber is 0.4M/s, the conductive powder adopts carbon fiber powder, and the gram weight of the conductive powder is 1g/cm2The electrical resistivity of the prepreg prepared by the process is 1.1x10-3Ω·cm~1.2x10-3Omega cm, it is made into ship structure to obtain low radar signal and magnetic field signal and electromagnetic wave absorbing effect.
Example 5
Unlike examples 1-4, T300, T1000, M55J PAN-based carbon fibers, other pitch-based carbon fibers, and the like may also be used in the process.
Example 6
Unlike examples 1-4, thermosetting resins such as unsaturated polyesters, vinyl esters, phenolics, bismaleimides, and the like may also be used in the present process.
Example 7
Different from examples 1-4, the resin solution solvent in the process can also adopt alcohols and benzenes.
Example 8
Different from the embodiments 1 to 4, the conductive particles in the present process can also be gold, silver, copper, tin, nickel, titanium, and other metal particles.
Example 9
Unlike examples 1-4, the fiber width, resin content in the resin solution, grammage of the conductive powder, and fiber draw speed of the present process can be modified within the scope of the appended claims.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A preparation process of a carbon fiber prepreg is characterized by comprising the following steps:
(1) spreading the precursor carbon fiber to a certain width by using spreading equipment;
(2) adsorbing conductive powder on the spread carbon fiber dry belt by an electrostatic spraying method;
(3) and compounding the carbon fiber attached with the conductive powder with resin to form the carbon fiber prepreg.
2. The process for producing a carbon fiber prepreg according to claim 1, wherein the precursor carbon fiber is one carbon fiber or a plurality of carbon fibers arranged regularly or irregularly.
3. The process for preparing the carbon fiber prepreg according to claim 1, wherein in the step (1), the spread width of the precursor carbon fiber is 15mm to 100 mm.
4. The process for preparing a carbon fiber prepreg according to claim 1, wherein in the step (2), the conductive powder is one of gold, silver, copper, tin, nickel, titanium and carbon.
5. The process for preparing a carbon fiber prepreg according to claim 1, wherein in the step (2), the conductive powder has an average diameter of 1 to 150 μm.
6. The process for preparing a carbon fiber prepreg according to claim 1, wherein in the step (3), the process of compounding the carbon fiber with the conductive powder and the resin is dry compounding or wet compounding, preferably wet compounding, and specifically comprises the following steps: the carbon fiber bundle with the conductive powder attached is dipped into the resin solution at a certain speed, and then dried and cured.
7. The process for preparing a carbon fiber prepreg according to claim 6, wherein in the step (3), the resin is a thermosetting resin, and the solvent of the resin solution is one of benzene, alcohol and ketone.
8. The process for preparing the carbon fiber prepreg according to claim 6, wherein in the step (3), the resin in the resin solution accounts for 30-60% of the total mass of the resin solution.
9. The process for preparing a carbon fiber prepreg according to claim 6, wherein in the step (3), the speed of the carbon fiber bundle to which the conductive powder is attached passing through the resin solution is 0.1 to 0.5 m/s.
10. The process for preparing a carbon fiber prepreg according to claim 1, wherein in the step (3), the gram weight of the conductive powder is 1-3 g/cm2。
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838766A (en) * | 2006-08-07 | 2012-12-26 | 东丽株式会社 | Prepreg and carbon fiber-reinforced composite material |
| US20130344305A1 (en) * | 2011-03-17 | 2013-12-26 | Toray Industries, Inc. | Prepreg, method of manufacturing prepreg, and carbon fiber-reinforced composite material |
| CN103554530A (en) * | 2013-10-11 | 2014-02-05 | 中国航空工业集团公司北京航空材料研究院 | Electric conductive continuous fiber-reinforced fabric or prepreg and electric conductive treatment method |
| CN103724813A (en) * | 2012-10-16 | 2014-04-16 | 辽宁辽杰科技有限公司 | Continuous-fiber-reinforced thermoplastic flame-retardant antistatic composite material and preparation method thereof |
| CN106317772A (en) * | 2015-07-10 | 2017-01-11 | 深圳光启高等理工研究院 | Antistatic composite material and preparation method thereof |
-
2020
- 2020-05-15 CN CN202010411648.3A patent/CN111518300B/en active Active
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|---|---|---|---|---|
| CN102838766A (en) * | 2006-08-07 | 2012-12-26 | 东丽株式会社 | Prepreg and carbon fiber-reinforced composite material |
| US20130344305A1 (en) * | 2011-03-17 | 2013-12-26 | Toray Industries, Inc. | Prepreg, method of manufacturing prepreg, and carbon fiber-reinforced composite material |
| CN103724813A (en) * | 2012-10-16 | 2014-04-16 | 辽宁辽杰科技有限公司 | Continuous-fiber-reinforced thermoplastic flame-retardant antistatic composite material and preparation method thereof |
| CN103554530A (en) * | 2013-10-11 | 2014-02-05 | 中国航空工业集团公司北京航空材料研究院 | Electric conductive continuous fiber-reinforced fabric or prepreg and electric conductive treatment method |
| CN106317772A (en) * | 2015-07-10 | 2017-01-11 | 深圳光启高等理工研究院 | Antistatic composite material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李世超等: "超薄预浸料对碳纤维/环氧树脂复合材料导电性能的影响", 《复合材料学报》 * |
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