CN113172971A - Carbon fiber composite material wire core and production method thereof - Google Patents
Carbon fiber composite material wire core and production method thereof Download PDFInfo
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- CN113172971A CN113172971A CN202010571357.0A CN202010571357A CN113172971A CN 113172971 A CN113172971 A CN 113172971A CN 202010571357 A CN202010571357 A CN 202010571357A CN 113172971 A CN113172971 A CN 113172971A
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 57
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 84
- 239000010410 layer Substances 0.000 claims abstract description 57
- 230000005855 radiation Effects 0.000 claims abstract description 46
- 239000003822 epoxy resin Substances 0.000 claims abstract description 37
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 235000019484 Rapeseed oil Nutrition 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 239000004814 polyurethane Substances 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 11
- 229910021389 graphene Inorganic materials 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 235000019198 oils Nutrition 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 6
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- MSTNTJIQKFGIHL-OCYQJKLISA-N [(2r,3r,4s,5r)-6-oxo-2,3,4,5-tetra(propanoyloxy)hexyl] propanoate Chemical compound CCC(=O)OC[C@@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)C=O MSTNTJIQKFGIHL-OCYQJKLISA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 239000007822 coupling agent Substances 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 5
- 238000002715 modification method Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000975 bioactive effect Effects 0.000 abstract description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
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- 238000010438 heat treatment Methods 0.000 description 4
- 150000001721 carbon Chemical class 0.000 description 3
- 239000003733 fiber-reinforced composite Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
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- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
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- 239000002994 raw material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
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- 239000000805 composite resin Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a carbon fiber composite material lead core, which comprises a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fiber; the preparation method of the adhesive layer material comprises the steps of adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 3-5 times of the total amount of the high-functionality epoxy resin, and then adding modified graphene which is 30-40% of the total amount of the high-functionality epoxy resin. The carbon fiber is treated by a Co radiation source, the microstructure of the surface of the carbon fiber is changed, the surface is sparse, the structural organization is arranged in disorder, bioactive substances such as r-oryzanol and the like in rapeseed oil are attached to the surface structure of the carbon fiber after the carbon fiber is oiled, so that an active layer can be formed, the bonding layer adopts high-functionality epoxy resin as a base material, and the main chain of the high-functionality epoxy resin contains a plurality of benzene ring structures.
Description
Technical Field
The invention relates to the technical field of carbon fibers, in particular to a carbon fiber composite material wire core and a production method thereof.
Background
The carbon fiber is a new fiber material of high-strength and high-modulus fiber with carbon content above 95%, which is a microcrystalline graphite material obtained by stacking organic fibers such as flake graphite microcrystals along the axial direction of the fiber and performing carbonization and graphitization treatment. The aluminum alloy is lighter than metal aluminum in mass, but higher than steel in strength, has the characteristics of corrosion resistance and high modulus, and is an important material in the aspects of national defense, military industry and civil use. It not only has the intrinsic characteristic of carbon material, but also has the soft workability of textile fiber, and is a new generation of reinforced fiber.
The existing wire core is made of carbon fiber composite materials, the bonding performance of carbon fibers and resin materials in the wire core is poor, the overall effect is easily influenced, and meanwhile, the wire core has poor resilience and poor fatigue resistance; the prior Chinese patent literature publication number is as follows: 102602083B discloses a fiber reinforced composite material core and its preparation method, the fiber reinforced composite material core is composed of an inner structure and an outer layer insulation structure, the inner structure is formed by bonding a plurality of parallel or spiral twisted fiber reinforced high temperature resistant resin-based slender rods, the outer layer insulation structure is a high temperature resistant non-conductive resin coating or a high temperature resistant, non-conductive fiber reinforced resin layer, the thickness of the outer layer insulation structure is 10-40% of the diameter of the conductor core, and the thickness is uniform along the perimeter. The fiber-reinforced high-temperature-resistant resin-based slender rods are bonded together through the adhesive, coated with a fiber-reinforced resin composite material layer or a resin coating, and cured and molded through the high-temperature neck mold;
disclosure of Invention
The present invention is directed to a carbon fiber composite wire core and a method for producing the same, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a carbon fiber composite material lead core, which comprises a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fiber;
adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 3-5 times of the total amount of the high-functionality epoxy resin, then adding modified graphene accounting for 30-40% of the total amount of the high-functionality epoxy resin, then raising the temperature to 70 ℃, then raising the rotating speed to 260r/min for stirring for 20-30min, then adding acrylic emulsion accounting for 2% of the total amount of the high-functionality epoxy resin, and continuing stirring for 1-2h at the rotating speed of 600r/min for 500-;
the preparation method of the elastic layer material comprises the steps of adding polyether glycol into polyurethane according to the weight ratio of 1:2, then adding diethylaminoethanol which is 1-2 times of the total amount of the polyurethane, stirring at the rotating speed of 300-1500 r/min for 25-35min, finally adding glucose pentapropionate which is 20% of the total amount of the polyurethane, and stirring at the rotating speed of 1000-1500r/min for 25-35min to obtain the elastic layer material.
The invention further comprises the following steps: the specific modification method of the modified carbon fiber comprises the following steps: carbon fiber is firstly adopted60CorTreating with radiation source for 30min, then placing in oil-bath oleum Rapae for oiling, and cooling to room temperature.
The invention further comprises the following steps: the carbon fiber adopts60CorThe specific conditions for the radiation source treatment are: the total radiation dose is 5-7KGy, the radiation metering rate is 30-40Gy/min, the treatment is carried out for 5min every 2min, and the total treatment is 30 min.
The invention further comprises the following steps: the rapeseed oil in the oil bath is prepared by heating the rapeseed oil to boiling at the temperature of 100 ℃ and preserving heat.
The invention further comprises the following steps: the high functionality epoxy resin is a tetrafunctional epoxy resin.
The invention further comprises the following steps: the preparation method of the modified graphene comprises the following steps: oxidizing the graphene by adopting concentrated sulfuric acid, then carrying out organic coupling treatment by adopting a coupling agent KH560, then placing the graphene in organic silica sol for ultrasonic dispersion for 20-30min, wherein the ultrasonic power is 200-300W, and finishing the ultrasonic treatment to obtain the modified graphene.
The invention also provides a production method of the carbon fiber composite material lead core, which comprises the following steps:
the method comprises the following steps: feeding the base material layer and the bonding layer material into a high-pressure reaction kettle according to the weight ratio of 2:1, reacting for 20-30min at 80 ℃ and 5MPa, and then feeding into a proton radiation box for radiation treatment;
step two, adopting an extrusion-drawing process to form a base material core after radiation treatment, then adding an elastic layer material, and continuously adopting a winding forming process to obtain a composite wire core;
and step three, treating the composite wire core obtained in the step two for 5-10min by adopting pulse current, and finally pressing for 2-5min under the condition that the pressure is 2-5MPa to obtain the wire core.
The invention further comprises the following steps: the conditions for carrying out radiation treatment in the proton radiation box in the first step are as follows: the irradiation energy is 160-190Kev, and the beam current is 1.8-2.2X 1012cm-2.s-1The injection amount is 1-2 × 1012p/cm2。
The invention further comprises the following steps: the conditions for carrying out radiation treatment in the proton radiation box in the first step are as follows: the irradiation energy is 175Kev, and the beam current is 2.0X 1012cm-2.s-1The injection amount is 1.5 × 1012p/cm2。
The invention further comprises the following steps: the voltage of the pulse current treatment in the third step is 10-20Kv, the intensity of the pulse electric field is 5-15Kv, and the pulse number is 400-500.
Compared with the prior art, the invention has the following beneficial effects:
(1) the carbon fiber of the present invention is60CorAfter radiation source treatment, the microstructure of the surface of the carbon fiber is changed, the surface is sparse and the arrangement of structural tissues is disordered, after oil passing, bioactive substances such as r-oryzanol and the like in rapeseed oil are attached to the surface structure of the carbon fiber, so that an active layer can be formed, the bonding layer adopts high-functionality epoxy resin as a base material, the high-functionality epoxy resin contains a plurality of benzene ring structures on a main chain, can be mixed with modified graphene and acrylic emulsion to form a cross-linked network structure, can react with the bioactive substances attached to the surface structure of the carbon fiber, further improves the bonding strength of the carbon fiber substrate and the bonding layer, and has excellent chemical resistance and good stability, so that stable performance is achievedThe protection effect, the modified graphene toughness of adding is good, can form netted adhesive linkage on the base member surface to improve the pliability of base member by a wide margin, the elastic layer material passes through organic raw materials such as polyurethane and constitutes, strengthens the connectivity of material with the adhesive linkage on the one hand, and on the other hand strengthens the elasticity effect, thereby improves holistic resilience effect.
(2) As shown in examples 1 to 3 of the present invention and comparative examples 1 to 3, the adhesive strength between the carbon fiber and the adhesive layer material in example 3 of the present invention was 42KN.m-1Comparative example 3 is 25KN.m-1Compared with the comparative example 3, the carbon fiber and the bonding layer material in the embodiment 3 are improved by 68%, and the carbon fiber and the bonding layer material have excellent bonding strength, the fatigue life of the embodiment 3 is improved by 16 hours, and the improvement rate is 11.35%.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
Example 1:
the carbon fiber composite material lead core comprises a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fibers;
adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 3 times of the total amount of the high-functionality epoxy resin, then adding modified graphene accounting for 30% of the total amount of the high-functionality epoxy resin, then raising the temperature to 70 ℃, then raising the rotating speed to 220r/min, stirring for 20min, then adding acrylic emulsion accounting for 2% of the total amount of the high-functionality epoxy resin, and continuing to stir for 1h at the rotating speed of 500r/min to obtain an adhesive layer;
the preparation method of the elastic layer material comprises the steps of adding polyether polyol into polyurethane according to the weight ratio of 1:2, then adding diethylaminoethanol with the amount being 1 time of the total amount of the polyurethane, then stirring at the rotating speed of 300r/min for 25min, finally adding glucose pentapropionate with the amount being 20% of the total amount of the polyurethane, and then stirring at the rotating speed of 1000r/min for 25min to obtain the elastic layer material.
The specific modification method of the modified carbon fiber of the embodiment is as follows: carbon fiber is firstly adopted60CorTreating with radiation source for 30min, then placing in oil-bath oleum Rapae for oiling, and cooling to room temperature.
Carbon fiber of the present embodiment60CorThe specific conditions for the radiation source treatment are: the total radiation dose is 5KGy, the radiation metering rate is 30Gy/min, the treatment is carried out for 5min every 2min, and the total treatment is carried out for 30 min.
The rapeseed oil in the oil bath of the embodiment is prepared by heating the rapeseed oil to boiling at the temperature of 100 ℃ and preserving the heat.
The high functionality epoxy resin of this example is a tetrafunctional epoxy resin.
The preparation method of the modified graphene of the embodiment comprises the following steps: oxidizing graphene by adopting concentrated sulfuric acid, then carrying out organic coupling treatment by adopting a coupling agent KH560, then placing the graphene in organic silica sol for ultrasonic dispersion for 20min, wherein the ultrasonic power is 200W, and finishing the ultrasonic treatment to obtain the modified graphene.
The production method of the carbon fiber composite material wire core of the embodiment comprises the following steps:
the method comprises the following steps: feeding the base material layer and the bonding layer material into a high-pressure reaction kettle according to the weight ratio of 2:1, reacting for 20min at the temperature of 80 ℃ and under the pressure of 5MPa, and then feeding the mixture into a proton radiation box for radiation treatment;
step two, adopting an extrusion-drawing process to form a base material core after radiation treatment, then adding an elastic layer material, and continuously adopting a winding forming process to obtain a composite wire core;
and step three, treating the composite wire core obtained in the step two for 5min by adopting pulse current, and finally pressing for 2min under the condition that the pressure is 2MPa to obtain the wire core.
In the proton radiation box in the step one of this embodimentThe conditions for the irradiation treatment were: the irradiation energy is 160Kev, and the beam current is 1.8X 1012cm-2.s-1The injection amount is 1 × 1012p/cm2。
In the third step of this example, the voltage of the pulse current process is 10Kv, the intensity of the pulse electric field is 5Kv, and the number of pulses is 400.
Example 2:
the carbon fiber composite material lead core comprises a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fibers;
adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 5 times of the total amount of the high-functionality epoxy resin, then adding modified graphene which is 40% of the total amount of the high-functionality epoxy resin, then raising the temperature to 70 ℃, then raising the rotating speed to 260r/min, stirring for 30min, then adding acrylic emulsion which is 2% of the total amount of the high-functionality epoxy resin, and continuing to stir for 2h at the rotating speed of 600r/min to obtain an adhesive layer;
the preparation method of the elastic layer material comprises the steps of adding polyether polyol into polyurethane according to the weight ratio of 1:2, then adding diethylaminoethanol which is 2 times of the total amount of the polyurethane, then stirring at the rotating speed of 500r/min for 35min, finally adding glucose pentapropionate which is 20% of the total amount of the polyurethane, and then stirring at the rotating speed of 1500r/min for 35min to obtain the elastic layer material.
The specific modification method of the modified carbon fiber of the embodiment is as follows: carbon fiber is firstly adopted60CorTreating with radiation source for 30min, then placing in oil-bath oleum Rapae for oiling, and cooling to room temperature.
Carbon fiber of the present embodiment60CorThe specific conditions for the radiation source treatment are: the total radiation dose is 7KGy, the radiation metering rate is 40Gy/min, the treatment is carried out for 5min every 2min, and the total treatment time is 30 min.
The rapeseed oil in the oil bath of the embodiment is prepared by heating the rapeseed oil to boiling at the temperature of 100 ℃ and preserving the heat.
The high functionality epoxy resin of this example is a tetrafunctional epoxy resin.
The preparation method of the modified graphene of the embodiment comprises the following steps: oxidizing graphene by adopting concentrated sulfuric acid, then carrying out organic coupling treatment by adopting a coupling agent KH560, then placing the graphene in organic silica sol for ultrasonic dispersion for 30min, wherein the ultrasonic power is 300W, and finishing the ultrasonic treatment to obtain the modified graphene.
The production method of the carbon fiber composite material wire core of the embodiment comprises the following steps:
the method comprises the following steps: feeding the base material layer and the bonding layer material into a high-pressure reaction kettle according to the weight ratio of 2:1, reacting for 30min at the temperature of 80 ℃ and under the pressure of 5MPa, and then feeding the mixture into a proton radiation box for radiation treatment;
step two, adopting an extrusion-drawing process to form a base material core after radiation treatment, then adding an elastic layer material, and continuously adopting a winding forming process to obtain a composite wire core;
and step three, treating the composite wire core obtained in the step two for 5-10min by adopting pulse current, and finally pressing for 5min under the condition that the pressure is 5MPa to obtain the wire core.
In the first step of this embodiment, the conditions for performing the radiation treatment in the proton radiation box are as follows: the irradiation energy is 190Kev, and the beam current is 2.2X 1012cm-2.s-1The injection amount is 2X 1012p/cm2。
In the third step of this embodiment, the voltage of the pulse current processing is 20Kv, the intensity of the pulse electric field is 15Kv, and the pulse number is 400-.
Example 3:
the carbon fiber composite material lead core comprises a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fibers;
adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 4 times of the total amount of the high-functionality epoxy resin, then adding modified graphene accounting for 35% of the total amount of the high-functionality epoxy resin, then raising the temperature to 70 ℃, then raising the rotating speed to 240r/min, stirring for 25min, then adding acrylic emulsion accounting for 2% of the total amount of the high-functionality epoxy resin, and continuing to stir for 1.5h at the rotating speed of 550r/min to obtain an adhesive layer;
the preparation method of the elastic layer material comprises the steps of adding polyether polyol into polyurethane according to the weight ratio of 1:2, then adding diethylaminoethanol which is 1.5 times of the total amount of the polyurethane, stirring at the rotating speed of 400r/min for 30min, finally adding glucose pentapropionate which is 20% of the total amount of the polyurethane, and then stirring at the rotating speed of 1300r/min for 30min at a high speed to obtain the elastic layer material.
The specific modification method of the modified carbon fiber of the embodiment is as follows: carbon fiber is firstly adopted60CorTreating with radiation source for 30min, then placing in oil-bath oleum Rapae for oiling, and cooling to room temperature.
Carbon fiber of the present embodiment60CorThe specific conditions for the radiation source treatment are: the total radiation dose is 6KGy, the radiation metering rate is 35Gy/min, the treatment is carried out for 5min every 2min, and the total treatment time is 30 min.
The rapeseed oil in the oil bath of the embodiment is prepared by heating the rapeseed oil to boiling at the temperature of 100 ℃ and preserving the heat.
The high functionality epoxy resin of this example is a tetrafunctional epoxy resin.
The preparation method of the modified graphene of the embodiment comprises the following steps: oxidizing graphene by adopting concentrated sulfuric acid, then carrying out organic coupling treatment by adopting a coupling agent KH560, then placing the graphene in organic silica sol for ultrasonic dispersion for 25min, wherein the ultrasonic power is 250W, and finishing the ultrasonic treatment to obtain the modified graphene.
The production method of the carbon fiber composite material wire core of the embodiment comprises the following steps:
the method comprises the following steps: feeding the base material layer and the bonding layer material into a high-pressure reaction kettle according to the weight ratio of 2:1, reacting for 25min at the temperature of 80 ℃ and under the pressure of 5MPa, and then feeding the mixture into a proton radiation box for radiation treatment;
step two, adopting an extrusion-drawing process to form a base material core after radiation treatment, then adding an elastic layer material, and continuously adopting a winding forming process to obtain a composite wire core;
and step three, treating the composite wire core obtained in the step two for 7.5min by adopting pulse current, and finally pressing for 3.5min under the condition that the pressure is 3.5MPa to obtain the wire core.
In the first step of this embodiment, the conditions for performing the radiation treatment in the proton radiation box are as follows: the irradiation energy is 175Kev, and the beam current is 2.0X 1012cm-2.s-1The injection amount is 1.5 × 1012p/cm2。
In the third step of this embodiment, the voltage of the pulse current processing is 15Kv, the intensity of the pulse electric field is 10Kv, and the number of pulses is 450.
Comparative example 1:
the materials and preparation process were substantially the same as those of example 3, except that the carbon fibers were not oiled with rapeseed oil in an oil bath.
Comparative example 2:
the material and preparation process are basically the same as those of example 3, except that modified graphene is not added.
Comparative example 3:
the materials and preparation process are basically the same as those of example 3, except that Chinese patent document publication No.: 102602083B discloses a fiber reinforced composite core and the method and the raw materials of the embodiment 1 in the preparation method.
And (3) performance testing: the wire cores prepared in examples 1 to 3 and comparative examples 1 to 3 were subjected to performance tests, and the test results are shown in table 1.
TABLE 1
As shown in Table 1, inventive examples 1 to 3 and comparative examples 1 to 3, the adhesive strength between the carbon fiber and the adhesive layer material in inventive example 3 was 42KN.m-1Comparative example 3 is 25KN.m-1Example 3 is improved by 68% compared with comparative example 3, and it is known that the carbon fiber and the bonding layer material have excellent bonding strength, and the fatigue life of example 3 is improved compared with comparative example 3The improvement time is 16h higher, and the improvement rate is 11.35 percent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The lead core is characterized by comprising a base material layer material, an adhesive layer material and an elastic layer material, wherein the base material layer material is modified carbon fiber;
adding high-functionality epoxy resin into a magnetic stirrer, then adding propanol which is 3-5 times of the total amount of the high-functionality epoxy resin, then adding modified graphene accounting for 30-40% of the total amount of the high-functionality epoxy resin, then raising the temperature to 70 ℃, then raising the rotating speed to 260r/min for stirring for 20-30min, then adding acrylic emulsion accounting for 2% of the total amount of the high-functionality epoxy resin, and continuing stirring for 1-2h at the rotating speed of 600r/min for 500-;
the preparation method of the elastic layer material comprises the steps of adding polyether glycol into polyurethane according to the weight ratio of 1:2, then adding diethylaminoethanol which is 1-2 times of the total amount of the polyurethane, stirring at the rotating speed of 300-1500 r/min for 25-35min, finally adding glucose pentapropionate which is 20% of the total amount of the polyurethane, and stirring at the rotating speed of 1000-1500r/min for 25-35min to obtain the elastic layer material.
2. The carbon fiber composite material wire core according to claim 1, wherein the modified carbon fiber is modified by the following specific modification method: carbon fiber is firstly adopted60CorTreating with radiation source for 30min, then placing in oil-bath oleum Rapae for oiling, and cooling to room temperature.
3. The carbon fiber composite wire core according to claim 2, wherein the carbon fiber is selected from the group consisting of carbon fiber, carbon fiber composite material, and carbon fiber composite material60CorThe specific conditions for the radiation source treatment are: the total radiation dose is 5-7KGy, the radiation metering rate is 30-40Gy/min, the treatment is carried out for 5min every 2min, and the total treatment is 30 min.
4. The carbon fiber composite wire core according to claim 2, wherein the rapeseed oil in the oil bath is heated to boiling at a temperature of 100 ℃ and then is subjected to heat preservation.
5. The carbon fiber composite wire core according to claim 1, wherein said high functionality epoxy resin is a tetrafunctional epoxy resin.
6. The carbon fiber composite wire core according to claim 1, wherein the modified graphene is prepared by the following steps: oxidizing the graphene by adopting concentrated sulfuric acid, then carrying out organic coupling treatment by adopting a coupling agent KH560, then placing the graphene in organic silica sol for ultrasonic dispersion for 20-30min, wherein the ultrasonic power is 200-300W, and finishing the ultrasonic treatment to obtain the modified graphene.
7. A method for producing a carbon fiber composite conductor core according to claims 1 to 6, comprising the steps of:
the method comprises the following steps: feeding the base material layer and the bonding layer material into a high-pressure reaction kettle according to the weight ratio of 2:1, reacting for 20-30min at 80 ℃ and 5MPa, and then feeding into a proton radiation box for radiation treatment;
step two, adopting an extrusion-drawing process to form a base material core after radiation treatment, then adding an elastic layer material, and continuously adopting a winding forming process to obtain a composite wire core;
and step three, treating the composite wire core obtained in the step two for 5-10min by adopting pulse current, and finally pressing for 2-5min under the condition that the pressure is 2-5MPa to obtain the wire core.
8. The method for producing a carbon fiber composite material wire core according to claim 7, wherein the conditions for the irradiation treatment in the proton irradiation chamber in the first step are as follows: the irradiation energy is 160-190Kev, and the beam current is 1.8-2.2X 1012cm-2.s-1The injection amount is 1-2 × 1012p/cm2。
9. The method for producing a carbon fiber composite material wire core according to claim 8, wherein the conditions for the irradiation treatment in the proton irradiation chamber in the first step are as follows: the irradiation energy is 175Kev, and the beam current is 2.0X 1012cm-2.s-1The injection amount is 1.5 × 1012p/cm2。
10. The method for producing a carbon fiber composite wire core as claimed in claim 7, wherein the voltage of the pulse current treatment in the third step is 10-20Kv, the intensity of the pulse electric field is 5-15Kv, and the number of pulses is 400-.
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| WO2011143541A2 (en) * | 2010-05-14 | 2011-11-17 | Zoltek Companies, Inc. | Carbon fiber composite structural rod and method of manufacture |
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