CN116598075B - Engine wire harness with good shielding property and preparation method thereof - Google Patents
Engine wire harness with good shielding property and preparation method thereof Download PDFInfo
- Publication number
- CN116598075B CN116598075B CN202310357304.2A CN202310357304A CN116598075B CN 116598075 B CN116598075 B CN 116598075B CN 202310357304 A CN202310357304 A CN 202310357304A CN 116598075 B CN116598075 B CN 116598075B
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- wire harness
- good shielding
- porous carbon
- biomass porous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 62
- 239000004917 carbon fiber Substances 0.000 claims abstract description 62
- 239000002028 Biomass Substances 0.000 claims abstract description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000002131 composite material Substances 0.000 claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 47
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 43
- 239000004952 Polyamide Substances 0.000 claims abstract description 42
- 229920002647 polyamide Polymers 0.000 claims abstract description 42
- 239000011253 protective coating Substances 0.000 claims abstract description 30
- 238000007747 plating Methods 0.000 claims abstract description 26
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- OYFRNYNHAZOYNF-UHFFFAOYSA-N 2,5-dihydroxyterephthalic acid Chemical compound OC(=O)C1=CC(O)=C(C(O)=O)C=C1O OYFRNYNHAZOYNF-UHFFFAOYSA-N 0.000 claims abstract description 18
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 14
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 14
- DJVKJGIZQFBFGS-UHFFFAOYSA-N n-[2-[2-(prop-2-enoylamino)ethyldisulfanyl]ethyl]prop-2-enamide Chemical compound C=CC(=O)NCCSSCCNC(=O)C=C DJVKJGIZQFBFGS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229940101545 mi-acid Drugs 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 10
- XAOHWSFGKCJOGT-UHFFFAOYSA-N 2-(4-aminopiperazin-1-yl)ethanol Chemical compound NN1CCN(CCO)CC1 XAOHWSFGKCJOGT-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 71
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 25
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 22
- 239000003063 flame retardant Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 19
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 16
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 12
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 11
- 235000011613 Pinus brutia Nutrition 0.000 claims description 11
- 241000018646 Pinus brutia Species 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 11
- 229920000647 polyepoxide Polymers 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 9
- 238000005470 impregnation Methods 0.000 claims description 8
- 229920000877 Melamine resin Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229920000388 Polyphosphate Polymers 0.000 claims description 7
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000001205 polyphosphate Substances 0.000 claims description 7
- 235000011176 polyphosphates Nutrition 0.000 claims description 7
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 229910000361 cobalt sulfate Inorganic materials 0.000 claims description 6
- 229940044175 cobalt sulfate Drugs 0.000 claims description 6
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 6
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 6
- 239000001509 sodium citrate Substances 0.000 claims description 6
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 6
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 6
- NGDIAZZSCVVCEW-UHFFFAOYSA-M sodium;butyl sulfate Chemical compound [Na+].CCCCOS([O-])(=O)=O NGDIAZZSCVVCEW-UHFFFAOYSA-M 0.000 claims description 6
- 239000011592 zinc chloride Substances 0.000 claims description 6
- 235000005074 zinc chloride Nutrition 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- XSAOTYCWGCRGCP-UHFFFAOYSA-K aluminum;diethylphosphinate Chemical compound [Al+3].CCP([O-])(=O)CC.CCP([O-])(=O)CC.CCP([O-])(=O)CC XSAOTYCWGCRGCP-UHFFFAOYSA-K 0.000 claims description 3
- 229960004424 carbon dioxide Drugs 0.000 claims description 2
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 7
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 claims 4
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 5
- 239000001257 hydrogen Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract description 4
- 239000000412 dendrimer Substances 0.000 abstract description 3
- 229920000736 dendritic polymer Polymers 0.000 abstract description 3
- 239000003446 ligand Substances 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- 239000010941 cobalt Substances 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- NVIVJPRCKQTWLY-UHFFFAOYSA-N cobalt nickel Chemical compound [Co][Ni][Co] NVIVJPRCKQTWLY-UHFFFAOYSA-N 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 17
- REBHQKBZDKXDMN-UHFFFAOYSA-M [PH2]([O-])=O.C(C)[Al+]CC Chemical compound [PH2]([O-])=O.C(C)[Al+]CC REBHQKBZDKXDMN-UHFFFAOYSA-M 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 125000004193 piperazinyl group Chemical group 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical class [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/48—Coating with alloys
- C23C18/50—Coating with alloys with alloys based on iron, cobalt or nickel
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/228—Cyclic esters, e.g. lactones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
-
- 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
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B13/30—Drying; Impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the field of automobiles, in particular to an engine wire harness with good shielding property and a preparation method thereof, wherein carbon fibers are pickled by Mi acid, amino hyperbranched polyamide is crosslinked in a solvent by polyethylene glycol diglycidyl ether, crosslinked dendrimers are solidified on the surfaces of the carbon fibers through hydrogen bonds by dipping, and then cobalt and nickel are plated on the surfaces of the carbon fibers in an orderly array by cobalt and nickel composite plating solution; introducing composite biomass porous carbon into the protective coating to realize the thin-layer efficient absorption of the protective layer; loading a bimetal zinc-iron MOF with 2, 5-dihydroxyterephthalic acid as a ligand by using biomass porous carbon as a carrier to obtain composite biomass porous carbon; amino hyperbranched polyamide and composite biomass porous carbon are introduced into the protective coating, wherein the amino hyperbranched polyamide is generated by the reaction of N, N' -cystamine bisacrylamide and 1-amino-4- (2-hydroxyethyl) piperazine, so that the protective layer is endowed with excellent self-repairing performance, and the wear resistance and flame retardance of the protective layer are improved.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an engine wire harness with good shielding property and a preparation method thereof.
Background
The engine harness of the automobile is an important component for ensuring the normal operation of the automobile, the reliability of the engine harness is closely related to the power and safety of the automobile, and the engine harness of the automobile needs to avoid the interference of electromagnetic waves when transmitting electric signals, so that the engine harness of the automobile needs to have better electromagnetic shielding property.
Along with the progress of society, the automobile is developed to be light, and the quality of the automobile is reduced while the performance of the automobile is ensured, so that the automobile has practical significance. The traditional shielding wire is generally wrapped by a metal mesh braid layer made of red copper or tinned copper, has heavier mass and is not beneficial to the requirement of light weight of automobiles; the single plastic protective sleeve cannot meet the shielding requirement of the wire harness, and the electromagnetic shielding performance of the wire harness is improved by adding high-content conductive filler, but the mechanical property of the plastic protective sleeve is reduced, the existing protective sleeve is difficult to recover when the existing protective sleeve is mechanically damaged, and the electromagnetic shielding performance of the protective sleeve is reduced.
Disclosure of Invention
The invention aims to provide an engine wire harness with good shielding property and a preparation method thereof, which are used for solving the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a preparation method of an engine wire harness with good shielding property comprises the following steps:
s1: preparing amino hyperbranched polyamide;
s2: acidizing the carbon fiber by using Mi's acid; preparing an impregnating solution by using amino hyperbranched polyamide and polyethylene glycol diglycidyl ether, and carrying out impregnation treatment on the acidified carbon fiber to obtain a crosslinked carbon fiber;
s3: transferring the crosslinked carbon fiber into a cobalt-nickel composite plating solution, and carrying out surface cobalt-nickel plating treatment to obtain a modified carbon fiber;
s4: preparing protective coating by using amino hyperbranched polyamide, composite biomass porous carbon, flame retardant and aqueous epoxy resin;
s5: coating protective coating on the surface of the heat-shrinkable tube to form a protective layer, thereby obtaining a protective sleeve;
s6: the modified carbon fiber and the protective sleeve are sleeved outside the wire core in sequence, so that the engine wire harness with good shielding property is obtained.
Further, the preparation of the amino hyperbranched polyamide comprises the following steps: mixing and stirring cystamine dihydrochloride and deionized water, adding mixed solution of sodium hydroxide, acryloyl chloride and methylene dichloride at 0 ℃, stirring for 1-2h, filtering and drying to obtain N, N' -cystamine bisacrylamide; mixing N, N' -cystamine bisacrylamide with 1-amino-4- (2-hydroxyethyl) piperazine, adding a mixed solution of methanol and deionized water, and preserving the temperature for 1-2d at 50 ℃ to obtain the amino hyperbranched polyamide.
Further, the preparation of the crosslinked carbon fiber comprises the following steps: mixing the amino hyperbranched polyamide and methanol, heating to 55-60 ℃, adding polyethylene glycol diglycidyl ether, preserving heat for 5-6h, cooling to 18-25 ℃ to obtain an impregnating solution, adding acidified carbon fiber, and carrying out impregnation treatment for 1h to obtain the crosslinked carbon fiber.
Further, the cobalt-nickel composite plating solution comprises the following components: taking 14mL of ammonia water as a solvent, wherein the solvent contains 1.5g of nickel sulfate, 1.5g of cobalt sulfate, 3g of sodium citrate and 1g of sodium hypophosphite; the working conditions of the surface cobalt-nickel plating treatment are as follows: the temperature is 75-80 ℃, and the heat preservation time is 20-25min.
Further, the preparation of the composite biomass porous carbon comprises the following steps:
1) Cleaning pine nut shells, grinding, mixing and ball milling pine nut shell powder and sodium hydroxide for 15-20min, preserving heat for 80-90min at 590-600 ℃ under nitrogen atmosphere, and cleaning with hydrochloric acid until the pH is neutral to obtain biomass porous carbon;
2) Mixing zinc chloride, ferric chloride, 2, 5-dihydroxyterephthalic acid and N, N-dimethylformamide, adding biomass porous carbon and sodium hydroxide, performing ultrasonic treatment for 20-30min, transferring into a reaction kettle, preserving heat at 145-150 ℃ for 22-24h, cooling, centrifuging, washing and drying to obtain the composite biomass porous carbon.
Further, the protective coating comprises the following components in parts by weight: 36-44 parts of aqueous epoxy resin, 2-6 parts of composite biomass porous carbon, 2-6 parts of amino hyperbranched polyamide and 2-4 parts of flame retardant.
Further, in the protective coating, the flame retardant comprises aluminum diethyl phosphinate and melamine polyphosphate in a mass ratio of 2:1, and compounding to obtain the product.
Further, the heat shrinkage tube is one of polyvinyl chloride, polyethylene and polytetrafluoroethylene.
Further, the working conditions of the acidification treatment are as follows: ultrasonic soaking with 8-10% Michaelis acid for 1-2 hr.
The invention has the beneficial effects that:
the invention provides an engine wire harness with good shielding property and a preparation method thereof, wherein modified carbon fibers and a heat shrinkage tube coated with protective paint are sleeved on the surface of a wire core, so that the engine wire harness is endowed with excellent electromagnetic shielding property, flame retardance and self-repairing property, and the service life of the engine wire harness is prolonged.
The carbon fiber has high dielectric loss on electromagnetic waves because of excellent conductivity, and is an ideal electromagnetic shielding material; the carbon fiber has high strength and high modulus, and the impact resistance of the carbon fiber can be effectively improved by wrapping the surface of the wire core, but the secondary pollution to the environment can be caused by the higher reflection of the single carbon fiber to electromagnetic waves, and the surface roughness of the carbon fiber is low and active groups are absent, so that the carbon fiber is modified, the electromagnetic shielding performance of the carbon fiber is improved, and the secondary reflection of the carbon fiber is reduced.
The carbon fiber is pickled by Mi's acid, the reactivity of the carbon fiber is improved while the self characteristic of the carbon fiber is not changed, the amino hyperbranched polyamide is crosslinked in a solvent by using polyethylene glycol diglycidyl ether, the crosslinked dendrimer is solidified on the surface of the carbon fiber through hydrogen bonding by dipping, and then the cobalt-nickel composite plating solution is used for plating orderly array cobalt-nickel on the surface of the carbon fiber, so that the electromagnetic shielding property and the flame retardance of the carbon fiber are improved.
According to the invention, the protective coating is coated on the heat shrink tube, and the self-repairing property, electromagnetic shielding property and flame retardance are given to the protective coating, so that the protective sleeve of the engine wire harness can be rapidly self-repaired when the protective sleeve encounters mechanical damage, the safety of electromagnetic shielding is not influenced, and the service life of the engine wire harness is prolonged.
The composite biomass porous carbon is introduced into the protective coating to realize the efficient absorption of the thin layer of the protective layer, and the efficient absorption performance of electromagnetic waves is still maintained when the thickness of the protective layer is 0.3-0.5 mm;
the biomass porous carbon and the MOF have excellent properties of ordered pore structure, large specific surface area, easy surface modification, good thermochemical stability and the like, and are ideal materials for absorbing electromagnetic waves. According to the invention, a biomass porous carbon is used as a carrier to load a bimetal zinc-iron MOF (metal-based organic framework) with 2, 5-dihydroxyterephthalic acid as a ligand, so as to obtain a composite biomass porous carbon; the bimetallic zinc-iron MOF in the composite biomass porous carbon can effectively improve electromagnetic wave absorption performance, has a high specific surface area and a large number of porous structures, provides a plurality of microwave reflection points, is beneficial to attenuation of microwave energy, and improves the flame retardant capability of the protective layer when the composite biomass porous carbon is introduced.
The diethyl aluminum phosphinate has good thermal stability and high phosphorus content, is an efficient and environment-friendly organic phosphorus flame retardant, is compounded with melamine polyphosphate for use, effectively improves the flame retardance of the protective layer, and plays a role in adsorbing and removing harmful substances and assisting the flame retardance of the flame retardant by the bimetallic zinc-iron MOF on the composite biomass porous carbon in the protective layer.
Amino hyperbranched polyamide and composite biomass porous carbon are introduced into the protective coating, wherein the amino hyperbranched polyamide is generated by the reaction of N, N' -cystamine bisacrylamide and 1-amino-4- (2-hydroxyethyl) piperazine, and the excellent self-repairing performance of the protective layer is endowed by means of the coordination and hydrogen bonding action of metal ions, amino, amido and piperazinyl in the protective coating, meanwhile, the complexity of a crosslinked network in the protective layer is improved, and the wear resistance and flame retardance of the protective layer are improved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely in connection with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications such as up, down, left, right, front, and rear … … are involved in the embodiment of the present invention, the directional indications are merely used to explain a relative positional relationship, a movement condition, and the like between a certain posture such as the respective components, and if the certain posture is changed, the directional indications are changed accordingly. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The following description of the embodiments of the present invention will be presented in further detail with reference to the examples, which should be understood as being merely illustrative of the present invention and not limiting.
Example 1: a preparation method of an engine wire harness with good shielding property comprises the following steps:
s1: preparing an amino hyperbranched polyamide comprising the steps of:
mixing and stirring 11.25g of cystamine dihydrochloride and 100mL of deionized water, adding a mixed solution of 8g of sodium hydroxide, 9.4g of acryloyl chloride and 100mL of dichloromethane at 0 ℃, stirring for 1h, filtering and drying to obtain N, N' -cystamine bisacrylamide; mixing 7.5g of N, N' -cystamine bisacrylamide and 3.23g of 1-amino-4- (2-hydroxyethyl) piperazine, adding 18mL of a mixed solution of methanol and 2mL of deionized water, and preserving heat for 1d at 50 ℃ to obtain amino hyperbranched polyamide;
s2: acidizing the carbon fiber by using Mi's acid; preparing an impregnating solution by using amino hyperbranched polyamide and polyethylene glycol diglycidyl ether, and carrying out impregnation treatment on the acidified carbon fiber to obtain a crosslinked carbon fiber;
the working conditions of the acidification treatment are as follows: ultrasonic soaking with 8% Mi's acid for 2 hr;
the preparation of the crosslinked carbon fiber comprises the following steps: mixing 2g of amino hyperbranched polyamide and 100mL of methanol, heating to 55 ℃, adding 1.5mL of polyethylene glycol diglycidyl ether, preserving heat for 6 hours, cooling to 18 ℃ to obtain an impregnating solution, and adding 1g of pretreated carbon fiber for impregnating treatment for 1 hour to obtain crosslinked carbon fiber;
s3: transferring the crosslinked carbon fiber into a cobalt-nickel composite plating solution, and carrying out surface cobalt-nickel plating treatment to obtain a modified carbon fiber;
the cobalt-nickel composite plating solution comprises the following components: 14mL of 5% ammonia water is taken as a solvent, and 1.5g of nickel sulfate, 1.5g of cobalt sulfate, 3g of sodium citrate and 1g of sodium hypophosphite are contained; the working conditions of the surface cobalt-nickel plating treatment are as follows: preserving heat at 75 ℃ for 25min;
s4: preparing protective coating by using amino hyperbranched polyamide, composite biomass porous carbon, flame retardant and aqueous epoxy resin;
the protective coating comprises the following components in parts by weight: 36 parts of waterborne epoxy resin, 2 parts of composite biomass porous carbon, 2 parts of amino hyperbranched polyamide and 2 parts of flame retardant; the flame retardant consists of diethyl aluminum phosphinate and melamine polyphosphate in a mass ratio of 2:1, compounding to obtain the compound;
the preparation of the composite biomass porous carbon comprises the following steps:
1) Cleaning pine nut shells, grinding, mixing and ball milling 1g of pine nut shell powder and 1g of NaOH for 15min, preserving heat for 90min at 590 ℃ under nitrogen atmosphere, and cleaning with 1mol/L hydrochloric acid until the pH is neutral to obtain biomass porous carbon;
2) Mixing 0.05mmol of zinc chloride, 0.05mmol of ferric chloride, 0.1g of 2, 5-dihydroxyterephthalic acid and 10mLN, N-dimethylformamide, adding 0.07g of biomass porous carbon and 10mL of sodium hydroxide, performing ultrasonic treatment for 20min, transferring into a reaction kettle, preserving heat at 145 ℃ for 24h, cooling, centrifuging, washing and drying to obtain composite biomass porous carbon;
s5: coating protective coating on the surface of the heat-shrinkable tube to form a protective layer, thereby obtaining a protective sleeve; the heat shrinkage pipe is polyethylene;
s6: the modified carbon fiber and the protective sleeve are sleeved outside the wire core in sequence, so that the engine wire harness with good shielding property is obtained.
Example 2: a preparation method of an engine wire harness with good shielding property comprises the following steps:
s1: preparing an amino hyperbranched polyamide comprising the steps of:
mixing and stirring 11.25g of cystamine dihydrochloride and 100mL of deionized water, adding a mixed solution of 8g of sodium hydroxide, 9.4g of acryloyl chloride and 100mL of dichloromethane at 0 ℃, stirring for 1.5h, filtering and drying to obtain N, N' -cystamine bisacrylamide; mixing 7.5g of N, N' -cystamine bisacrylamide and 3.23g of 1-amino-4- (2-hydroxyethyl) piperazine, adding 18mL of a mixed solution of methanol and 2mL of deionized water, and preserving the temperature for 1.5d at 50 ℃ to obtain amino hyperbranched polyamide;
s2: acidizing the carbon fiber by using Mi's acid; preparing an impregnating solution by using amino hyperbranched polyamide and polyethylene glycol diglycidyl ether, and carrying out impregnation treatment on the acidified carbon fiber to obtain a crosslinked carbon fiber;
the working conditions of the acidification treatment are as follows: ultrasonic impregnation with 9% Mi's acid for 1.5h;
the preparation of the crosslinked carbon fiber comprises the following steps: mixing 2g of amino hyperbranched polyamide and 100mL of methanol, heating to 58 ℃, adding 1.5mL of polyethylene glycol diglycidyl ether, preserving heat for 5.5h, cooling to 20 ℃ to obtain an impregnating solution, and adding 1g of pretreated carbon fiber for impregnating treatment for 1h to obtain crosslinked carbon fiber;
s3: transferring the crosslinked carbon fiber into a cobalt-nickel composite plating solution, and carrying out surface cobalt-nickel plating treatment to obtain a modified carbon fiber;
the cobalt-nickel composite plating solution comprises the following components: 14mL of 5% ammonia water is taken as a solvent, and 1.5g of nickel sulfate, 1.5g of cobalt sulfate, 3g of sodium citrate and 1g of sodium hypophosphite are contained; the working conditions of the surface cobalt-nickel plating treatment are as follows: preserving heat at 78 ℃ for 22min;
s4: preparing protective coating by using amino hyperbranched polyamide, composite biomass porous carbon, flame retardant and aqueous epoxy resin;
the protective coating comprises the following components in parts by weight: 40 parts of waterborne epoxy resin, 5 parts of composite biomass porous carbon, 4 parts of amino hyperbranched polyamide and 3 parts of flame retardant; in the protective coating, the flame retardant consists of diethyl aluminum phosphinate and melamine polyphosphate in a mass ratio of 2:1, compounding to obtain the compound;
the preparation of the composite biomass porous carbon comprises the following steps:
1) Cleaning pine nut shells, grinding, mixing 1g of pine nut shell powder and 1g of NaOH, ball milling for 18min, preserving heat at 595 ℃ for 85min under nitrogen atmosphere, and cleaning with 1mol/L hydrochloric acid until the pH is neutral to obtain biomass porous carbon;
2) Mixing 0.05mmol of zinc chloride, 0.05mmol of ferric chloride, 0.1g of 2, 5-dihydroxyterephthalic acid and 10mLN, N-dimethylformamide, adding 0.07g of biomass porous carbon and 10mL of sodium hydroxide, performing ultrasonic treatment for 25min, transferring into a reaction kettle, preserving heat at 148 ℃ for 23h, cooling, centrifuging, washing and drying to obtain composite biomass porous carbon;
s5: coating protective coating on the surface of the heat-shrinkable tube to form a protective layer, thereby obtaining a protective sleeve; the heat shrinkage pipe is polyethylene;
s6: the modified carbon fiber and the protective sleeve are sleeved outside the wire core in sequence, so that the engine wire harness with good shielding property is obtained.
Example 3: a preparation method of an engine wire harness with good shielding property comprises the following steps:
s1: preparing an amino hyperbranched polyamide comprising the steps of:
mixing and stirring 11.25g of cystamine dihydrochloride and 100mL of deionized water, adding a mixed solution of 8g of sodium hydroxide, 9.4g of acryloyl chloride and 100mL of dichloromethane at 0 ℃, stirring for 2h, filtering and drying to obtain N, N' -cystamine bisacrylamide; mixing 7.5g of N, N' -cystamine bisacrylamide and 3.23g of 1-amino-4- (2-hydroxyethyl) piperazine, adding 18mL of a mixed solution of methanol and 2mL of deionized water, and preserving heat for 2d at 50 ℃ to obtain amino hyperbranched polyamide;
s2: acidizing the carbon fiber by using Mi's acid; preparing an impregnating solution by using amino hyperbranched polyamide and polyethylene glycol diglycidyl ether, and carrying out impregnation treatment on the acidified carbon fiber to obtain a crosslinked carbon fiber;
the working conditions of the acidification treatment are as follows: ultrasonic soaking with 10% Mi's acid for 1 hr;
the preparation of the crosslinked carbon fiber comprises the following steps: mixing 2g of amino hyperbranched polyamide and 100mL of methanol, heating to 60 ℃, adding 1.5mL of polyethylene glycol diglycidyl ether, preserving heat for 5 hours, cooling to 25 ℃ to obtain an impregnating solution, and adding 1g of pretreated carbon fiber for impregnating treatment for 1 hour to obtain crosslinked carbon fiber;
s3: transferring the crosslinked carbon fiber into a cobalt-nickel composite plating solution, and carrying out surface cobalt-nickel plating treatment to obtain a modified carbon fiber;
the cobalt-nickel composite plating solution comprises the following components: 14mL of 5% ammonia water is taken as a solvent, and 1.5g of nickel sulfate, 1.5g of cobalt sulfate, 3g of sodium citrate and 1g of sodium hypophosphite are contained; the working conditions of the surface cobalt-nickel plating treatment are as follows: preserving heat at 80 ℃ for 20min;
s4: preparing protective coating by using amino hyperbranched polyamide, composite biomass porous carbon, flame retardant and aqueous epoxy resin;
the protective coating comprises the following components in parts by weight: 44 parts of waterborne epoxy resin, 6 parts of composite biomass porous carbon, 6 parts of amino hyperbranched polyamide and 4 parts of flame retardant; the flame retardant consists of diethyl aluminum phosphinate and melamine polyphosphate in a mass ratio of 2:1, compounding to obtain the compound;
the preparation of the composite biomass porous carbon comprises the following steps:
1) Cleaning pine nut shells, grinding, mixing 1g of pine nut shell powder and 1g of NaOH, ball milling for 20min, preserving heat at 600 ℃ for 80min under nitrogen atmosphere, and cleaning with 1mol/L hydrochloric acid until the pH is neutral to obtain biomass porous carbon;
2) Mixing 0.05mmol of zinc chloride, 0.05mmol of ferric chloride, 0.1g of 2, 5-dihydroxyterephthalic acid and 10mLN, N-dimethylformamide, adding 0.07g of biomass porous carbon and 10mL of sodium hydroxide, performing ultrasonic treatment for 20-30min, transferring into a reaction kettle, preserving heat at 150 ℃ for 22h, cooling, centrifuging, washing and drying to obtain composite biomass porous carbon;
s5: coating protective coating on the surface of the heat-shrinkable tube to form a protective layer, thereby obtaining a protective sleeve; the heat shrinkage pipe is polyethylene;
s6: the modified carbon fiber and the protective sleeve are sleeved outside the wire core in sequence, so that the engine wire harness with good shielding property is obtained.
Comparative example 1: with example 3 as a control group, the composite biomass porous carbon was replaced with biomass porous carbon, and the other procedures were normal.
Comparative example 2: with example 3 as a control group, no amino hyperbranched polyamide was introduced into the protective coating, and the other procedures were normal.
Comparative example 3: using example 3 as a control, no impregnating solution was prepared and the other procedures were normal.
Comparative example 4: with example 3 as a control group, no cobalt-nickel composite plating solution was prepared, and the other procedures were normal.
Comparative example 5: using example 3 as a control group, the modified carbon fiber was replaced with carbon fiber, and the other procedures were normal.
Examples and comparative examples: the core adopts copper-tin alloy (section area is 0.13 mm) 2 Tensile strength of 110N and tensile strength of 620N/mm 2 ) The thickness of the modified carbon fiber is 2mm, the thickness of the polyethylene pipe is 2mm, and the thickness of the protective layer is 0.5mm.
The raw material sources are as follows:
cystamine dihydrochloride C823838, acryloyl chloride A800376, aluminum diethylphosphinate A875851, melamine polyphosphate M859615: shanghai Miclin Biochemical technologies Co., ltd; carbon fiber (thickness of 1.5mm, square meter mass of 100 g/m) 2 Weaving by carbon fiber yarns, wherein the carbon fiber yarns are T700SC/T1000 GB: clamar); aqueous epoxy resin PC6317: han Gao Letai; pine nut shells: are commercially available; polyethylene pipe: is obtained by co-extrusion of high-density polyethylene particles, and is high-density polyethylene AS55-003: exxon (R); mitsubishi acid M110151, polyethylene glycol diglycidyl ether P134831, 2, 5-dihydroxyterephthalic acid D134233, zinc chloride Z112526, ferric chloride F419646, N-dimethylformamide D111999: ala Ding Shiji; 1-amino-4- (2-hydroxyethyl) piperazine 122963: merck reagent; sodium hydroxide, methylene chloride, methanol, ammonia water, nickel sulfate, cobalt sulfate, sodium citrate, sodium hypophosphite, analytically pure: national drug group reagent.
Performance test: performance tests were performed on the wire harnesses produced in examples 1 to 3 and comparative examples 1 to 5:
electromagnetic shielding performance test: testing by adopting a vector line analyzer, wherein the testing method is a coaxial method, and the range is 2-18GHz;
flame retardancy: testing with reference to UL-94 vertical burn rating;
self-repairability: scratch with the length of 0.1mm and the depth of 0.1mm is marked on the surface of the protective sleeve, the protective sleeve is insulated for 2 hours at 50 ℃, and the repair rate is observed under a microscope, and the result is shown in the table below;
average shielding effectiveness (dB) | Flame retardancy | Self-repairing (%) | |
Example 1 | 64.1 | V-0 | 100 |
Example 2 | 66.5 | V-0 | 100 |
Example 3 | 68.7 | V-0 | 100 |
Comparative example 1 | 45.6 | V-1 | 89 |
Comparative example 2 | 53.3 | V-1 | 60 |
Comparative example 3 | 55.4 | / | / |
Comparative example 4 | 49.3 | / | / |
Comparative example 5 | 46.1 | / | / |
As can be seen from the table, the average shielding effectiveness of the wire harness prepared in the embodiment 1-3 for 2-18GHz is higher than 64.1dB, the flame retardant grade is V-0, and the self-repairing rate is 100%, and the engine wire harness and the preparation method thereof provided by the invention have the advantages that the modified carbon fiber and the heat shrinkage tube coated with the protective coating are sleeved on the surface of the wire core, so that the excellent electromagnetic shielding performance, flame retardant performance and self-repairing performance are provided for the engine wire harness, and the service life of the engine wire harness is prolonged.
Comparing example 3 with comparative example 1, it is known that the composite biomass porous carbon is introduced into the protective coating to realize the efficient absorption of the thin layer of the protective layer, and when the thickness of the protective layer is 0.3-0.5mm, the efficient absorption performance of electromagnetic waves is still maintained; according to the invention, the biomass porous carbon is used as a carrier to load a bimetal zinc-iron MOF with 2, 5-dihydroxyterephthalic acid as a ligand, so as to obtain the composite biomass porous carbon; the bimetal zinc-iron MOF in the composite biomass porous carbon can effectively improve electromagnetic wave absorption performance, has a high specific surface area and a large number of porous structures, provides a plurality of microwave reflection points, is favorable for attenuation of microwave energy, and is introduced into the composite biomass porous carbon, wherein the bimetal zinc-iron MOF has a synergistic flame-retardant effect, and the flame-retardant capability of the protective layer is improved.
Comparing example 3 with comparative example 2, it is known that amino hyperbranched polyamide is introduced into the protective coating, the amino hyperbranched polyamide is generated by the reaction of N, N' -cystamine bisacrylamide and 1-amino-4- (2-hydroxyethyl) piperazine, and excellent self-repairing performance is endowed to the protective layer by means of coordination and hydrogen bonding of metal ions with amino groups, amide groups and piperazinyl groups in the protective coating, and meanwhile, the complexity of a crosslinked network in the protective layer is improved, and the wear resistance, flame retardance and electromagnetic shielding performance of the protective layer are improved.
As can be seen from comparing example 3 with comparative example 3, comparative example 4 and comparative example 5, pickling the carbon fiber with milbezier acid, improving the reactivity of the carbon fiber while not changing the characteristics of the carbon fiber itself, crosslinking the amino hyperbranched polyamide in a solvent with polyethylene glycol diglycidyl ether, impregnating to cure the crosslinked dendrimer on the surface of the carbon fiber through hydrogen bonding, and then plating the surface of the carbon fiber with a cobalt-nickel composite plating solution to form a neat array of cobalt-nickel, thereby improving the electromagnetic shielding property and flame retardance.
The foregoing description is only exemplary embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The preparation method of the engine wire harness with good shielding performance is characterized by comprising the following steps of:
s1: preparing amino hyperbranched polyamide;
s2: acidizing the carbon fiber by using Mi's acid; preparing an impregnating solution by using amino hyperbranched polyamide and polyethylene glycol diglycidyl ether, and carrying out impregnation treatment on the acidified carbon fiber to obtain a crosslinked carbon fiber;
s3: transferring the crosslinked carbon fiber into a cobalt-nickel composite plating solution, and carrying out surface cobalt-nickel plating treatment to obtain a modified carbon fiber;
s4: preparing protective coating by using amino hyperbranched polyamide, composite biomass porous carbon, flame retardant and aqueous epoxy resin;
s5: coating protective coating on the surface of the heat-shrinkable tube to form a protective layer, thereby obtaining a protective sleeve;
s6: the modified carbon fiber and the protective sleeve are sleeved outside the wire core in sequence, so that the engine wire harness with good shielding property is obtained.
2. The preparation method of the engine wire harness with good shielding performance according to claim 1, which is characterized in that the protective coating comprises the following components in parts by weight: 36-44 parts of aqueous epoxy resin, 2-6 parts of composite biomass porous carbon, 2-6 parts of amino hyperbranched polyamide and 2-4 parts of flame retardant.
3. The preparation method of the engine wire harness with good shielding performance according to claim 1, wherein in the protective coating, the flame retardant comprises aluminum diethyl phosphinate and melamine polyphosphate in a mass ratio of 2:1, and compounding to obtain the product.
4. The method for manufacturing the engine wire harness with good shielding performance according to claim 1, wherein the heat shrinkage tube is one of polyvinyl chloride, polyethylene and polytetrafluoroethylene.
5. The method for producing an engine harness with good shielding property according to claim 1, wherein the production of the amino hyperbranched polyamide comprises the steps of: mixing and stirring cystamine dihydrochloride and deionized water, adding mixed solution of sodium hydroxide, acryloyl chloride and methylene dichloride at 0 ℃, stirring for 1-2h, filtering and drying to obtain N, N' -cystamine bisacrylamide; mixing N, N' -cystamine bisacrylamide with 1-amino-4- (2-hydroxyethyl) piperazine, adding a mixed solution of methanol and deionized water, and preserving the temperature for 1-2d at 50 ℃ to obtain the amino hyperbranched polyamide.
6. The method for manufacturing an engine wire harness with good shielding property according to claim 1, wherein the working conditions of the acidification treatment are as follows: ultrasonic soaking with 8-10% Michaelis acid for 1-2 hr.
7. The method for producing an engine harness with good shielding property according to claim 1, wherein the production of the crosslinked carbon fiber comprises the steps of: mixing the amino hyperbranched polyamide and methanol, heating to 55-60 ℃, adding polyethylene glycol diglycidyl ether, preserving heat for 5-6h, cooling to 18-25 ℃ to obtain an impregnating solution, adding acidified carbon fiber, and carrying out impregnation treatment for 1h to obtain the crosslinked carbon fiber.
8. The method for manufacturing an engine wire harness with good shielding performance according to claim 1, wherein the cobalt-nickel composite plating solution comprises the following components: taking 14mL of ammonia water as a solvent, wherein the solvent contains 1.5g of nickel sulfate, 1.5g of cobalt sulfate, 3g of sodium citrate and 1g of sodium hypophosphite; the working conditions of the surface cobalt-nickel plating treatment are as follows: the temperature is 75-80 ℃, and the heat preservation time is 20-25min.
9. The method for preparing the engine wire harness with good shielding performance according to claim 1, wherein the preparation of the composite biomass porous carbon comprises the following steps:
1) Cleaning pine nut shells, grinding, mixing and ball milling pine nut shell powder and sodium hydroxide for 15-20min, preserving heat for 80-90min at 590-600 ℃ under nitrogen atmosphere, and cleaning with hydrochloric acid until the pH is neutral to obtain biomass porous carbon;
2) Mixing zinc chloride, ferric chloride, 2, 5-dihydroxyterephthalic acid and N, N-dimethylformamide, adding biomass porous carbon and sodium hydroxide, performing ultrasonic treatment for 20-30min, transferring into a reaction kettle, preserving heat at 145-150 ℃ for 22-24h, cooling, centrifuging, washing and drying to obtain the composite biomass porous carbon.
10. An engine wire harness with good shielding property, which is characterized by being prepared by the preparation method of any one of claims 1-9.
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WO2015143167A1 (en) * | 2014-03-19 | 2015-09-24 | Advanced Green Technologies, Llc | Self-healing cable |
CN109021421A (en) * | 2018-05-31 | 2018-12-18 | 广东安普智信电气有限公司 | A kind of electromagnetic shielding material and preparation method thereof and cable protection pipe obtained |
CN111029023A (en) * | 2019-12-16 | 2020-04-17 | 东莞市领亚智能科技有限公司 | Vulcanization-free rubber insulated cable |
CN114790658A (en) * | 2022-04-25 | 2022-07-26 | 浙江理工大学 | Preparation method of self-repairing electromagnetic shielding coating fabric in high-temperature environment |
CN115011070A (en) * | 2022-06-08 | 2022-09-06 | 刘露兰 | Electromagnetic shielding optical cable and preparation method thereof |
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CA2626563C (en) * | 2005-10-19 | 2013-12-17 | University Of Dayton | Water-soluble polymer coating for use on electrical wiring |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015143167A1 (en) * | 2014-03-19 | 2015-09-24 | Advanced Green Technologies, Llc | Self-healing cable |
CN109021421A (en) * | 2018-05-31 | 2018-12-18 | 广东安普智信电气有限公司 | A kind of electromagnetic shielding material and preparation method thereof and cable protection pipe obtained |
CN111029023A (en) * | 2019-12-16 | 2020-04-17 | 东莞市领亚智能科技有限公司 | Vulcanization-free rubber insulated cable |
CN114790658A (en) * | 2022-04-25 | 2022-07-26 | 浙江理工大学 | Preparation method of self-repairing electromagnetic shielding coating fabric in high-temperature environment |
CN115011070A (en) * | 2022-06-08 | 2022-09-06 | 刘露兰 | Electromagnetic shielding optical cable and preparation method thereof |
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