CN108154960B - Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable - Google Patents
Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable Download PDFInfo
- Publication number
- CN108154960B CN108154960B CN201711462958.2A CN201711462958A CN108154960B CN 108154960 B CN108154960 B CN 108154960B CN 201711462958 A CN201711462958 A CN 201711462958A CN 108154960 B CN108154960 B CN 108154960B
- Authority
- CN
- China
- Prior art keywords
- parts
- layer
- stirring
- reaction
- shielding layer
- 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
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 60
- 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 title claims abstract description 59
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 58
- 239000002131 composite material Substances 0.000 claims abstract description 55
- 239000002122 magnetic nanoparticle Substances 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000011049 filling Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 74
- 238000006243 chemical reaction Methods 0.000 claims description 70
- 238000003756 stirring Methods 0.000 claims description 54
- 239000002105 nanoparticle Substances 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 43
- 239000004814 polyurethane Substances 0.000 claims description 33
- 239000004593 Epoxy Substances 0.000 claims description 31
- 229920002635 polyurethane Polymers 0.000 claims description 29
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 26
- 125000003118 aryl group Chemical group 0.000 claims description 24
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 24
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 24
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 24
- -1 polyethylene carbon Polymers 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 229920005862 polyol Polymers 0.000 claims description 18
- 150000003077 polyols Chemical class 0.000 claims description 18
- 239000002244 precipitate Substances 0.000 claims description 18
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 17
- 229920000570 polyether Polymers 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 17
- 239000011259 mixed solution Substances 0.000 claims description 16
- 229920005575 poly(amic acid) Polymers 0.000 claims description 16
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 15
- 239000002243 precursor Substances 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 14
- 239000004952 Polyamide Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 13
- HBHDJJMJOFDEKX-UHFFFAOYSA-N 2,3,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC=C(CN(C)C)C(CN(C)C)=C1O HBHDJJMJOFDEKX-UHFFFAOYSA-N 0.000 claims description 12
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 12
- KTPIWUHKYIJBCR-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) cyclohex-4-ene-1,2-dicarboxylate Chemical compound C1C=CCC(C(=O)OCC2OC2)C1C(=O)OCC1CO1 KTPIWUHKYIJBCR-UHFFFAOYSA-N 0.000 claims description 12
- SXIWNIQDOJKDGB-UHFFFAOYSA-N dichloro-phenyl-sulfanylidene-$l^{5}-phosphane Chemical compound ClP(Cl)(=S)C1=CC=CC=C1 SXIWNIQDOJKDGB-UHFFFAOYSA-N 0.000 claims description 12
- 230000004224 protection Effects 0.000 claims description 12
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 11
- 229920000554 ionomer Polymers 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 9
- 239000004700 high-density polyethylene Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 6
- 230000006750 UV protection Effects 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 5
- ZBWLCHLNOUISSS-UHFFFAOYSA-N dodecyl dodecoxycarbonylsulfanylformate Chemical compound S(C(=O)OCCCCCCCCCCCC)C(=O)OCCCCCCCCCCCC ZBWLCHLNOUISSS-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005642 Oleic acid Substances 0.000 claims description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 238000006068 polycondensation reaction Methods 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052810 boron oxide Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- 238000005253 cladding Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 36
- 229920001721 polyimide Polymers 0.000 description 20
- 239000004642 Polyimide Substances 0.000 description 17
- 230000035484 reaction time Effects 0.000 description 7
- 238000002679 ablation Methods 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical group [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229920005749 polyurethane resin Polymers 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical class [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012377 drug delivery Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229940031182 nanoparticles iron oxide Drugs 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable, which comprises three groups of wire cores which are mutually stranded, wherein a total wrapping layer, a total shielding layer, an inner protecting layer, an armor layer and an outer protecting layer are sequentially arranged on the outer sides of the stranded three groups of wire cores; an outer drainage wire is arranged between the total wrapping layer and the total shielding layer; filling is arranged between the three groups of wire cores and the total winding cladding; each group of wire cores comprises a tinned copper wire bundle stranded conductor, an insulating layer, a unit shielding layer and a unit wrapping layer are sequentially arranged on the outer side of the tinned copper wire bundle stranded conductor, an inner drainage wire is respectively arranged between the insulating layer and the unit shielding layer, an environment-friendly flame-retardant material with excellent performance is adopted for the outer sheath layer, and a magnetic nanoparticle polymer composite material is coated on the total shielding layer. The invention has the advantages of simple structure, novel design, stable structure, good fireproof performance, excellent heat resistance, aging resistance, flame retardance, insulating performance and electrical performance, good social benefit, economic benefit and wide market prospect. The magnetic nanoparticle polymer composite material is arranged on the total shielding layer, so that the shielding effect of the total shielding layer can be greatly improved, and the anti-interference effect is greatly improved.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable.
Background
With the shift of global energy exploitation to the ocean, ocean oil and gas engineering is in progress. Because the ocean oil and gas engineering is filled with inflammable and explosive greasy dirt and gas, special intrinsic safety instrument cables are needed to be matched with the ocean oil and gas engineering to ensure the safety of electric signal transmission in equipment. In the prior art, instrument cables used in ships and ocean engineering are generally arranged by a plurality of separated wires, and are independently wired, so that occupied space is large, the protection of the cables is weak, and the use reliability is poor.
Therefore, a flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide a flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable.
The invention realizes the above purpose through the following technical scheme:
the cable comprises three groups of wire cores (1) which are mutually stranded, wherein a total winding layer (2), a total shielding layer (4), an inner protective layer (5), an armor layer (6) and an outer sheath layer (7) are sequentially arranged on the outer sides of the stranded three groups of wire cores (1); an outer drainage wire (3) is arranged between the total wrapping layer (2) and the total shielding layer (4); a filling layer (8) is arranged between the three groups of wire cores (1) and the total wrapping layer (2); each group of wire cores (1) comprises a tinned copper wire bundle stranded conductor (9), an insulating layer (10), a unit shielding layer (12) and a unit wrapping layer (13) are sequentially arranged on the outer side of the tinned copper wire bundle stranded conductor (9), and inner drainage wires (11) are respectively arranged between the insulating layer (10) and the unit shielding layer (12); the outer sheath layer (7) is made of environment-friendly flame-retardant materials;
the environment-friendly flame-retardant material comprises the following raw materials in parts by weight: 50-70 parts of high-density polyethylene, 20-35 parts of epoxy modified polyurethane, 3-9 parts of ethylene-magnesium acrylate ionomer, 15-25 parts of active flame retardant, 1-5 parts of antioxidant, 2-15 parts of lubricant and 3-10 parts of ultraviolet resistant agent;
the epoxy modified polyurethane consists of the following raw materials in parts by mass:
30-45 parts of polyether polyol, 35-55 parts of toluene diisocyanate, 15-25 parts of tetrahydrophthalic acid diglycidyl ester, 8-12 parts of 1, 4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyltetrahydrophthalic anhydride and 1-5 parts of 2,3, 6-tris (dimethylaminomethyl) phenol;
the total shielding layer (4) is coated with a magnetic nanoparticle polymer composite material, and the magnetic nanoparticle polymer composite material is prepared by grafting metal magnetic nanoparticles with polyamide acid;
the polyamic acid has a molar ratio of 1: (0.9-1.2) polycondensation of an aromatic tetracarboxylic dianhydride and a diamine compound;
wherein the aromatic tetracarboxylic dianhydride is
Wherein the diamine compound isWherein R3 is->
Furthermore, the environment-friendly flame retardant material comprises the following raw materials in parts by weight: 65 parts of high-density polyethylene, 22 parts of epoxy modified polyurethane, 5 parts of ethylene-magnesium acrylate ionomer, 18 parts of active flame retardant, 2 parts of antioxidant, 10 parts of lubricant and 4 parts of ultraviolet resistance agent; the epoxy modified polyurethane consists of 35 parts of polyether polyol, 40 parts of toluene diisocyanate, 21 parts of tetrahydrophthalic acid diglycidyl ester, 9 parts of 1, 4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyltetrahydrophthalic anhydride and 3 parts of 2,3, 6-tris (dimethylaminomethyl) phenol.
Further, the epoxy modified polyurethane is obtained by the following method: adding high polymer polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain polyurethane prepolymer; vacuum dehydrating tetrahydrophthalic acid diglycidyl ester for 1-3 hours at 80 ℃, cooling to 60 ℃, sequentially adding the polyurethane prepolymer, 1, 4-butanediol, trimethylolpropane, methyl tetrahydrophthalic anhydride and 2,3, 6-tris (dimethylaminomethyl) phenol, heating to 70-90 ℃, and stirring for reacting for 6-8 hours to obtain the epoxy modified polyurethane.
Further, the high molecular polyol is polyether glycol with molecular weight of 1000.
Further, the reactive flame retardant is obtained by the following method: under the protection of nitrogen, the porcelain powder is added into the mixture according to the molar ratio of (1-5): (2-8): uniformly dispersing in a mixed solution of 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine, carrying out heat preservation reaction for 1-6 h at 30-70 ℃, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is (1-5): 10, heating to 80-110 ℃, reacting for 12-27 hours while maintaining the temperature, and cooling to obtain the active flame retardant.
Further, the porcelain powder is one or a mixture of more than two of aluminum oxide, boron oxide and silicon dioxide; the ultraviolet resistance agent is polyethylene carbon black master batch; the antioxidant is tetrapentaerythritol ester or dilauryl thiodiformate; the lubricant is stearic acid or oleic acid.
Further, the insulating layer (10) is a low-density crosslinked polyethylene insulating layer; the unit shielding layer (12) and the total shielding layer (4) are aluminum foil polyester composite belts, the inner protective layer (5) is low-smoke halogen-free polyethylene, and the armor layer (6) is formed by braiding tinned copper wires.
Further, the preparation method of the magnetic nanoparticle polymer composite material comprises the following steps:
step one, fe 3 O 4 Preparation of nanoparticles: feCl is added 3 And FeSO 4 Dissolving in deionized water to obtain a mixed solution, adding a precipitant into the mixed solution, reacting while stirring, separating out precipitate after the reaction is completed, and finally washing the precipitate with deionized water for multiple times to obtain the Fe 3 O 4 A nanoparticle;
step two, amino modified Fe 3 O 4 Preparation of nanoparticles: fe obtained in the first step 3 O 4 Dispersing the nano particles into ethanol solution with the mass fraction of 35-55%wt, sequentially adding tetraethyl silicate and gamma-aminopropyl triethoxysilane while stirring, separating out precipitate after the reaction is finished, washing the precipitate with absolute ethanol for multiple times, and drying to obtain the amino-modified Fe 3 O 4 A nanoparticle;
step three, polyamide acid grafting Fe 3 O 4 Nanoparticles: amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding a part of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction to obtain a precursor; then adding diamine compound into the precursor, stirring uniformly, adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, after the addition is completed, continuing to stir and reacting to obtain polyamide acid/Fe 3 O 4 ；
And step four, preparing a magnetic nanoparticle polymer composite material: the polyamic acid/Fe obtained in the step three 3 O 4 Uniformly coating the magnetic nanoparticle polymer composite material on a glass plate, and putting the glass plate into an oven to obtain the magnetic nanoparticle polymer composite material in a gradient heating mode.
Preferably, in the first step, the precipitant is ammonia water with a mass fraction of 25-30%wt.
Preferably, in the first step, in N 2 Under the protection, the reaction temperature is 20-40 ℃ and the reaction time is 0.5-1.5h.
Preferably, in the second step, the volume ratio of the tetraethyl silicate to the gamma-aminopropyl triethoxysilane is 1:1.
Preferably, in the second step, the reaction temperature is 35-45 ℃ and the reaction time is 6-15h.
Preferably, the third step is specifically that the amino modified Fe obtained in the second step 3 O 4 Nanoparticles dispersed in a solventObtaining uniform suspension, adding 1/3-1/4 of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction for 10-18h to obtain a precursor; then adding diamine compound into the precursor, controlling the reaction temperature to be 0-5 ℃, stirring and reacting for 0.5-2 h, then adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, wherein the batch feeding time is 1.5-2 h, continuing stirring and reacting for 3-6 h after the feeding is completed, and obtaining the polyamic acid/Fe after the reaction is completed 3 O 4 。
Preferably, the gradient heating condition in the fourth step is as follows: the reaction was carried out for 1h from room temperature to 80℃over 30min, then for 1h to 100℃over 1h, then for 1h to 200℃over 1h, and finally for 2h to 300℃over 1 h.
The principle of the invention: the invention provides a magnetic nanoparticle polymer composite material which is coated on a total shielding layer, and the composite material has excellent ferromagnetism, can effectively absorb and attenuate electromagnetic waves, reduces the reflection and scattering of the electromagnetic waves by the material, and is Fe with amino-functionalized surface 3 O 4 Nano particles are compounded with polyimide, and Fe is utilized 3 O 4 The reaction between amino groups on the surfaces of the nano particles and dianhydride monomers of polyimide is carried out, and then the nano particles are separated by polymers by a method of grafting polyamide acid molecular chains on the surfaces of the nano particles, so that the nano particles are prevented from agglomerating, and then the polyamide acid is imidized by heat treatment to form the magnetic nano particle polymer composite material with superparamagnetism.
The polyimide benzene ring is provided with substituted bromine and contains flexible ether chain links, so that the internal rotation resistance of the chain segments is increased, the molecular weight of the polymer is increased, and the heat-resistant stability of the polymer and the comprehensive performance of the material can be improved; the iron oxide nano particles have strong magnetism and excellent biocompatibility, and the magnetic nano particle polymer composite material combines the advantages of polyimide and magnetic nano iron oxide, so that the magnetic nano particle polymer composite material has magnetic characteristics of magnetic recording, magnetic separation, wave absorption, wave shrinkage and the like, has excellent mechanical property and thermal stability, and is light in weight, soft and excellent in processing property; the method has wide application in the fields of memory materials with high information storage, magnetic control sensors, directional drug delivery in organisms, low magnetic loss, high frequency, microwave communication devices and the like.
The invention has the advantages of scientific, novel and reasonable structure, advanced process and good use performance, and the product has the characteristics of excellent low capacitance, low inductance, intrinsic safety, strong signal transmission capability, good anti-interference performance and the like; but also has the performances of flame retardance, low temperature resistance, oil sludge resistance, water resistance and the like. The outer sheath layer takes polyethylene as a main material, so that the sheath is nonpolar, has the electrical properties of low dielectric loss and high dielectric strength, is matched with ethylene-magnesium acrylate ionomer by adding epoxy modified polyurethane, has good filler inclusion and cross-linking property, and also improves the tensile strength and elongation; the cited epoxy modified polyurethane, polyurethane and epoxy resin form a large amount of permanent entanglement, mutually penetrate to form an interpenetrating network structure, and have outstanding positive synergistic effect; the active flame retardant is introduced and modified by dimethyl dichlorosilane, so that the active flame retardant is uniformly and stably dispersed in a reaction system, the binding force with a main material is improved, when high-temperature ablation occurs, a ceramic material is formed after heat is absorbed, the formed ceramic material is harder and harder along with the increase of the ablation temperature and the extension of the ablation time, the flame retardant effect of the invention is obviously improved, and the possibility of danger is greatly reduced. The magnetic nanoparticle polymer composite material is arranged on the total shielding layer, so that the shielding effect of the total shielding layer can be greatly improved, and the anti-interference effect is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
Referring to fig. 1, a flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable comprises three groups of wire cores 1 which are mutually stranded, wherein a total wrapping layer 2, a total shielding layer 4, an inner protecting layer 5, an armor layer 6 and an outer protecting layer 7 are sequentially arranged on the outer sides of the stranded three groups of wire cores 1; an outer drainage wire 3 is arranged between the total wrapping layer 2 and the total shielding layer 4; a filling layer 8 is arranged between the three groups of wire cores 1 and the total wrapping layer 2; each group of wire cores 1 comprises a tinned copper wire bundle stranded conductor 9, an insulating layer 10, a unit shielding layer 12 and a unit wrapping layer 13 are sequentially arranged on the outer side of the tinned copper wire bundle stranded conductor 9, and inner drainage wires 11 are respectively arranged between the insulating layer 10 and the unit shielding layer 12; the outer sheath layer 7 is made of environment-friendly flame-retardant material. The environment-friendly flame-retardant material comprises the following raw materials in parts by weight: 50-70 parts of high-density polyethylene, 20-35 parts of epoxy modified polyurethane, 3-9 parts of ethylene-magnesium acrylate ionomer, 15-25 parts of active flame retardant, 1-5 parts of antioxidant, 2-15 parts of lubricant and 3-10 parts of ultraviolet resistant agent. The epoxy modified polyurethane consists of the following raw materials in parts by mass:
30-45 parts of polyether polyol, 35-55 parts of toluene diisocyanate, 15-25 parts of tetrahydrophthalic acid diglycidyl ester, 8-12 parts of 1, 4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyltetrahydrophthalic anhydride and 1-5 parts of 2,3, 6-tris (dimethylaminomethyl) phenol.
Preferably, the environment-friendly flame retardant material comprises the following raw materials in parts by mass: 65 parts of high-density polyethylene, 22 parts of epoxy modified polyurethane, 5 parts of ethylene-magnesium acrylate ionomer, 18 parts of active flame retardant, 2 parts of antioxidant, 10 parts of lubricant and 4 parts of ultraviolet resistance agent; the epoxy modified polyurethane consists of 35 parts of polyether polyol, 40 parts of toluene diisocyanate, 21 parts of tetrahydrophthalic acid diglycidyl ester, 9 parts of 1, 4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyltetrahydrophthalic anhydride and 3 parts of 2,3, 6-tris (dimethylaminomethyl) phenol.
Preferably, the epoxy modified polyurethane is obtained by the following method: adding high polymer polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain polyurethane prepolymer; vacuum dehydrating tetrahydrophthalic acid diglycidyl ester for 1-3 hours at 80 ℃, cooling to 60 ℃, sequentially adding the polyurethane prepolymer, 1, 4-butanediol, trimethylolpropane, methyl tetrahydrophthalic anhydride and 2,3, 6-tris (dimethylaminomethyl) phenol, heating to 70-90 ℃, and stirring for reacting for 6-8 hours to obtain the epoxy modified polyurethane.
Preferably, the high molecular polyol is a polyether glycol with a molecular weight of 1000.
Preferably, the reactive flame retardant is obtained by the following method: under the protection of nitrogen, the porcelain powder is added into the mixture according to the molar ratio of (1-5): (2-8): uniformly dispersing in a mixed solution of 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine, carrying out heat preservation reaction for 1-6 h at 30-70 ℃, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is (1-5): 10, heating to 80-110 ℃, reacting for 12-27 hours while maintaining the temperature, and cooling to obtain the active flame retardant.
Preferably, the porcelain powder is one or a mixture of more than two of aluminum oxide, boron oxide and silicon dioxide; the ultraviolet resistance agent is polyethylene carbon black master batch; the antioxidant is tetrapentaerythritol ester or dilauryl thiodiformate; the lubricant is stearic acid or oleic acid.
Preferably, the insulating layer 10 is a low-density crosslinked polyethylene insulating layer; the unit shielding layer 12 and the total shielding layer 4 are aluminum foil polyester composite belts, the inner protective layer 5 is low-smoke halogen-free polyethylene, and the armor layer 6 is woven by tinned copper wires.
The total shielding layer 4 is coated with a magnetic nanoparticle polymer composite material, and the magnetic nanoparticle polymer composite material is prepared by grafting metal magnetic nanoparticles with polyamide acid;
the molar ratio of the polyamic acid is 1: (0.9-1.2) polycondensation of an aromatic tetracarboxylic dianhydride and a diamine compound;
wherein the aromatic tetracarboxylic dianhydride is
Wherein the diamine compound isWherein R3 is->
Preferably, in the first step, the precipitant is ammonia water with a mass fraction of 25-30%wt.
Preferably, in the first step, in N 2 Under the protection, the reaction temperature is 20-40 ℃ and the reaction time is 0.5-1.5h.
Preferably, in the second step, the volume ratio of the tetraethyl silicate to the gamma-aminopropyl triethoxysilane is 1:1.
Preferably, in the second step, the reaction temperature is 35-45 ℃ and the reaction time is 6-15h.
Preferably, the third step is specifically that the amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding 1/3-1/4 of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction for 10-18h to obtain a precursor; then adding diamine compound into the precursor, controlling the reaction temperature to be 0-5 ℃, stirring and reacting for 0.5-2 h, then adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, wherein the batch feeding time is 1.5-2 h, continuing stirring and reacting for 3-6 h after the feeding is completed, and obtaining the polyamic acid/Fe after the reaction is completed 3 O 4 。
Preferably, the gradient heating condition in the fourth step is as follows: the reaction was carried out for 1h from room temperature to 80℃over 30min, then for 1h to 100℃over 1h, then for 1h to 200℃over 1h, and finally for 2h to 300℃over 1 h.
The invention provides a magnetic nanoparticle polymer composite material and a preparation method thereofThe composite material is coated on the total shielding layer 4, has excellent ferromagnetism, can effectively absorb and attenuate electromagnetic waves, reduces the reflection and scattering of the electromagnetic waves by the material, and is Fe with amino-functionalized surface 3 O 4 Nano particles are compounded with polyimide, and Fe is utilized 3 O 4 The reaction between amino groups on the surfaces of the nano particles and dianhydride monomers of polyimide is carried out, and then the nano particles are separated by polymers by a method of grafting polyamide acid molecular chains on the surfaces of the nano particles, so that the nano particles are prevented from agglomerating, and then the polyamide acid is imidized by heat treatment to form the magnetic nano particle polymer composite material with superparamagnetism.
The polyimide benzene ring is provided with substituted bromine and contains flexible ether chain links, so that the internal rotation resistance of the chain segments is increased, the molecular weight of the polymer is increased, and the heat-resistant stability of the polymer and the comprehensive performance of the material can be improved; the iron oxide nano particles have strong magnetism and excellent biocompatibility, and the magnetic nano particle polymer composite material combines the advantages of polyimide and magnetic nano iron oxide, so that the magnetic nano particle polymer composite material has magnetic characteristics of magnetic recording, magnetic separation, wave absorption, wave shrinkage and the like, has excellent mechanical property and thermal stability, and is light in weight, soft and excellent in processing property; the method has wide application in the fields of memory materials with high information storage, magnetic control sensors, directional drug delivery in organisms, low magnetic loss, high frequency, microwave communication devices and the like.
Environment-friendly flame retardant Material example 1
The material of the outer sheath layer 7 is an environment-friendly flame-retardant material, and the environment-friendly flame-retardant material consists of 50 parts of high-density polyethylene, 20 parts of epoxy modified polyurethane, 3 parts of ethylene-magnesium acrylate ionomer, 15 parts of active flame retardant, 1 part of tetrapentaerythritol ester, 2 parts of stearic acid and 3 parts of polyethylene carbon black master batch;
wherein the epoxy modified polyurethane is obtained by the following method: adding 30 parts of polyether polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding 35 parts of toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain a polyurethane prepolymer; and (3) dehydrating 15 parts of tetrahydrophthalic acid diglycidyl ester in vacuum at 80 ℃ for 1-3 hours, cooling to 60 ℃, sequentially adding 8 parts of 1, 4-butanediol, 15 parts of trimethylolpropane, 16 parts of methyltetrahydrophthalic anhydride and 1 part of 2,3, 6-tris (dimethylaminomethyl) phenol, heating to 70-90 ℃, and stirring for reacting for 6-8 hours to obtain the epoxy modified polyurethane, wherein the high polymer polyol is polyether glycol with the molecular weight of 1000.
The active flame retardant is obtained by the following method: under the protection of nitrogen, adding aluminum oxide into the mixture in a molar ratio of 1:2: uniformly dispersing 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine in a mixed solution, reacting at 30-70 ℃ for 1-6 h under heat preservation, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is 1:10, heating to 80-110 ℃, reacting for 12-27 hours with heat preservation, cooling and drying to obtain the active flame retardant.
Test results: the dielectric constant of the flame retardant sheath layer in this example was 2.11, the tensile strength was 23.1MPa, and the elongation at break was 860.7%.
Example 2 of environmentally friendly flame retardant Material
The material of the outer sheath layer 7 is an environment-friendly flame-retardant material, wherein the environment-friendly flame-retardant material consists of 70 parts of high-density polyethylene, 35 parts of epoxy modified polyurethane, 9 parts of ethylene-magnesium acrylate ionomer, 15 parts of oleic acid, 5 parts of dilauryl thiodiformate and 10 parts of polyethylene carbon black master batch;
wherein the epoxy modified polyurethane is obtained by the following method: putting 45 parts of polyether polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding 55 parts of toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain a polyurethane prepolymer; and (3) dehydrating 25 parts of tetrahydrophthalic acid diglycidyl ester in vacuum at 80 ℃ for 1-3 hours, cooling to 60 ℃, sequentially adding the polyurethane prepolymer, 12 parts of 1, 4-butanediol, 23 parts of trimethylolpropane, 24 parts of methyl tetrahydrophthalic anhydride and 5 parts of 2,3, 6-tris (dimethylaminomethyl) phenol, heating to 70-90 ℃, stirring and reacting for 6-8 hours to obtain the epoxy modified polyurethane, wherein the high molecular polyol is polyether glycol with the molecular weight of 1000.
The active flame retardant is obtained by the following method: under the protection of nitrogen, adding the diboron trioxide into a reaction kettle with the molar ratio of 5:8: uniformly dispersing 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine in a mixed solution, reacting at 30-70 ℃ for 1-6 h under heat preservation, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is 5:10, heating to 80-110 ℃, reacting for 12-27 hours with heat preservation, cooling and drying to obtain the active flame retardant.
Test results: the dielectric constant of the flame retardant sheath layer in this example was 2.23, the tensile strength was 24.5MPa, and the elongation at break was 871.4%.
Example 3 of environmentally friendly flame retardant Material
The material of the outer sheath layer 7 is an environment-friendly flame-retardant material, wherein the environment-friendly flame-retardant material consists of 65 parts of high-density polyethylene, 22 parts of epoxy modified polyurethane, 5 parts of ethylene-magnesium acrylate ionomer, 10 parts of stearic acid, 2 parts of dilauryl thiodiformate and 4 parts of polyethylene carbon black master batch;
wherein the epoxy modified polyurethane is obtained by the following method: adding 35 parts of polyether polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding 40 parts of toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain a polyurethane prepolymer; 15-25 parts of tetrahydrophthalic acid diglycidyl ester is dehydrated in vacuum for 1-3 hours at 80 ℃, after the temperature is reduced to 60 ℃, the polyurethane prepolymer, 9 parts of 1, 4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyltetrahydrophthalic anhydride and 3 parts of 2,3, 6-tris (dimethylaminomethyl) phenol are sequentially added, the temperature is increased to 70-90 ℃, the stirring reaction is carried out for 6-8 hours, and the epoxy modified polyurethane is obtained, wherein the high molecular polyol is polyether glycol with the molecular weight of 1000.
The active flame retardant is obtained by the following method: under the protection of nitrogen, adding silicon dioxide into a reaction kettle with the molar ratio of 3:6: uniformly dispersing 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine in a mixed solution, reacting at 30-70 ℃ for 1-6 h under heat preservation, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is 4:10, heating to 80-110 ℃, reacting for 12-27 hours with heat preservation, cooling and drying to obtain the active flame retardant.
Test results: the dielectric constant of the flame retardant sheath layer in this example was 2.26, the tensile strength was 25.7MPa, and the elongation at break was 883.6%.
EXAMPLE 1 polyimide Polymer
Proportions of the various components involved in the polyimide polymer
The components participating in the polyimide polymer were polymerized in the molar ratios shown in table 1, respectively, to obtain polyimide polymers I to III.
TABLE 1 magnetic nanoparticles prepared by polycondensation of aromatic tetracarboxylic dianhydride and diamine compound in different molar ratios
Polymer composites I-III
Example 2 preparation of magnetic nanoparticle Polymer composite I
Step one, fe 3 O 4 Preparation of nanoparticles: feCl is added 3 And FeSO 4 Dissolving in deionized water to obtain a mixed solution, adding 25 wt% ammonia water into the mixed solution, and adding N 2 Under the protection, the reaction temperature is 20 ℃, the reaction is carried out under stirring for 0.5h, the precipitate is separated after the reaction is completed, and finally the Fe is obtained after the precipitate is washed with deionized water for a plurality of times 3 O 4 A nanoparticle;
step two, amino modified Fe 3 O 4 Preparation of nanoparticles: fe obtained in the first step 3 O 4 Dispersing the nano particles into ethanol solution with the mass fraction of 35-55%wt, and then sequentially adding silicic acid with the volume ratio of 1:1 while stirringTetraethyl ester and gamma-aminopropyl triethoxysilane, controlling the reaction temperature to 35 ℃ and the reaction time to 6 hours, separating sediment after the reaction is finished, washing the sediment with absolute ethyl alcohol for multiple times, and drying to obtain the amino modified Fe 3 O 4 A nanoparticle;
step three, polyamide acid grafting Fe 3 O 4 Nanoparticles: amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding 1/3 of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction for 10-18 hours to obtain a precursor; then willAdding the aromatic tetracarboxylic dianhydride into the precursor, controlling the reaction temperature to be 0-5 ℃, stirring and reacting for 0.5-2 h, adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, wherein the batch feeding time is 1.5-2 h, continuously stirring and reacting for 3-6 h after the feeding is finished, and obtaining the polyamic acid/Fe after the reaction is finished 3 O 4 ；
And step four, preparing a magnetic nanoparticle polymer composite material: the polyamic acid/Fe obtained in the step three 3 O 4 Uniformly coating on a glass plate, putting the glass plate into an oven, and adopting a gradient heating mode, wherein the gradient heating condition is as follows: and (3) heating the magnetic nanoparticle polymer composite material I from room temperature to 80 ℃ for reaction for 1h within 30min, heating the magnetic nanoparticle polymer composite material I to 100 ℃ for reaction for 1h within 1h, heating the magnetic nanoparticle polymer composite material I to 200 ℃ for reaction for 1h within 1h, and heating the magnetic nanoparticle polymer composite material I to 300 ℃ for reaction for 2h within 1 h.
Example 3 preparation of magnetic nanoparticle Polymer composite II
Step one, fe 3 O 4 Preparation of nanoparticles: feCl is added 3 And FeSO 4 Dissolving in deionized water to obtain a mixed solution, adding 30 wt% ammonia water into the mixed solution, and adding N 2 Under the protection of the reaction temperature of 40 ℃, the reaction is carried out under stirring for 1.5 hours, the precipitate is separated after the reaction is completed, and finally the Fe is obtained after the precipitate is washed with deionized water for a plurality of times 3 O 4 A nanoparticle;
step two, amino modified Fe 3 O 4 Preparation of nanoparticles: fe obtained in the first step 3 O 4 Dispersing nano particles into ethanol solution with the mass fraction of 35-55%wt, sequentially adding tetraethyl silicate and gamma-aminopropyl triethoxysilane with the volume ratio of 1:1 while stirring, controlling the reaction temperature to 45 ℃ and the reaction time to 15h, separating out precipitate after the reaction is finished, washing the precipitate with absolute ethanol for multiple times, and drying to obtain the amino modified Fe 3 O 4 A nanoparticle;
step three, polyamide acid grafting Fe 3 O 4 Nanoparticles: amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding 1/4 of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction for 10-18 hours to obtain a precursor; then willAdding the aromatic tetracarboxylic dianhydride into the precursor, controlling the reaction temperature to be 0-5 ℃, stirring and reacting for 0.5-2 h, adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, wherein the batch feeding time is 1.5-2 h, continuously stirring and reacting for 3-6 h after the feeding is finished, and obtaining the polyamic acid/Fe after the reaction is finished 3 O 4 ；
And step four, preparing a magnetic nanoparticle polymer composite material: the polyamic acid/Fe obtained in the step three 3 O 4 Uniformly coating on a glass plate, putting the glass plate into an oven, and adopting a gradient heating mode, wherein the gradient heating condition is as follows: and (3) heating the magnetic nanoparticle polymer composite material from room temperature to 80 ℃ for 1h within 30min, then heating the magnetic nanoparticle polymer composite material to 100 ℃ for 1h, then heating the magnetic nanoparticle polymer composite material to 200 ℃ for 1h, and finally heating the magnetic nanoparticle polymer composite material to 300 ℃ for 2h within 1 h.
Example 4 preparation of magnetic nanoparticle Polymer composite III
Step one, fe 3 O 4 Preparation of nanoparticles: feCl is added 3 And FeSO 4 Dissolving in waterThe ion water is added with 28 wt% ammonia water to obtain mixed solution, and the mixed solution is added with N 2 Under the protection of 35 ℃ of reaction temperature, stirring and reacting for 1h, separating out precipitate after the reaction is completed, and finally washing the precipitate with deionized water for multiple times to obtain the Fe 3 O 4 A nanoparticle;
step two, amino modified Fe 3 O 4 Preparation of nanoparticles: fe obtained in the first step 3 O 4 Dispersing nano particles into ethanol solution with the mass fraction of 35-55%wt, sequentially adding tetraethyl silicate and gamma-aminopropyl triethoxysilane with the volume ratio of 1:1 while stirring, controlling the reaction temperature to 40 ℃ and the reaction time to 10 hours, separating out precipitate after the reaction is finished, washing the precipitate with absolute ethanol for multiple times, and drying to obtain the amino modified Fe 3 O 4 A nanoparticle;
step three, polyamide acid grafting Fe 3 O 4 Nanoparticles: amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding 1/4 of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction for 10-18 hours to obtain a precursor; then willAdding the aromatic tetracarboxylic dianhydride into the precursor, controlling the reaction temperature to be 0-5 ℃, stirring and reacting for 0.5-2 h, adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, wherein the batch feeding time is 1.5-2 h, continuously stirring and reacting for 3-6 h after the feeding is finished, and obtaining the polyamic acid/Fe after the reaction is finished 3 O 4 ；
And step four, preparing a magnetic nanoparticle polymer composite material: the polyamic acid/Fe obtained in the step three 3 O 4 Uniformly coating on a glass plate, putting the glass plate into an oven, and adopting a gradient heating mode, wherein the gradient heating condition is as follows: reacting for 1h from room temperature to 80 ℃ in 30min, then reacting for 1h from room temperature to 100 ℃ in 1h, then reacting for 1h from room temperature to 200 ℃ in 1h, finally reacting for 1h to 300 DEG CAnd 2h, obtaining the magnetic nanoparticle polymer composite material III.
Example 5 comparative example
The preparation and operation were the same as in example 4, except that the polyamic acid was directly imidized without grafting the metal magnetic nanoparticles to prepare a polyimide film.
2. The magnetic nanoparticle polymer composite material prepared in each example above was subjected to performance measurement:
table 2 comparison of results of performance tests of respective magnetic nanoparticle polymer composites
From the data in the table above, the magnetic nanoparticle polymer composite material of the invention not only maintains excellent heat resistance, mechanical properties and dielectric properties, but also shows typical superparamagnetic behavior. The pyrolysis performance of the composite materials I-III is approximately equivalent, the Tg of the composite materials is reduced relative to that of a pure polyimide film, and as discontinuous inorganic phase nano particles exist in a polyimide matrix, the nano particles as a single phase influence the continuity of the polyimide matrix, the crosslinking curing degree of polyimide is reduced, so that the Tg of the film is reduced; the composite materials I-III show typical superparamagnetism, the coercive force and the remanence of the composite materials basically approach zero, no hysteresis exists, and the remanence quickly disappears after an external magnetic field is removed; compared with a pure polyimide film, the tensile strength and the tensile modulus of the composite materials I-III are enhanced, which shows that the nano particles can have the effect of enhancing the rigid particles on the polyimide matrix, and the excellent mechanical properties of the polyimide are further improved.
The invention has the advantages of scientific, novel and reasonable structure, advanced process and good use performance, and the product has the characteristics of excellent low capacitance, low inductance, intrinsic safety, strong signal transmission capability, good anti-interference performance and the like; but also has the performances of flame retardance, low temperature resistance, oil sludge resistance, water resistance and the like. The outer sheath layer takes polyethylene as a main material, so that the sheath is nonpolar, has the electrical properties of low dielectric loss and high dielectric strength, is matched with ethylene-magnesium acrylate ionomer by adding epoxy modified polyurethane, has good filler inclusion and cross-linking property, and also improves the tensile strength and elongation; the cited epoxy modified polyurethane, polyurethane and epoxy resin form a large amount of permanent entanglement, mutually penetrate to form an interpenetrating network structure, and have outstanding positive synergistic effect; the active flame retardant is introduced and modified by dimethyl dichlorosilane, so that the active flame retardant is uniformly and stably dispersed in a reaction system, the binding force with a main material is improved, when high-temperature ablation occurs, a ceramic material is formed after heat is absorbed, the formed ceramic material is harder and harder along with the increase of the ablation temperature and the extension of the ablation time, the flame retardant effect of the invention is obviously improved, and the possibility of danger is greatly reduced. The magnetic nanoparticle polymer composite material is arranged on the total shielding layer, so that the shielding effect of the total shielding layer can be greatly improved, and the anti-interference effect is greatly improved.
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 characteristics 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a fire-retardant fire-resistant anti-interference marine worker intrinsic safety instrument cable which characterized in that: the cable comprises three groups of cable cores (1) which are mutually stranded, wherein a total wrapping layer (2), a total shielding layer (4), an inner protective layer (5), an armor layer (6) and an outer protective layer (7) are sequentially arranged on the outer sides of the three groups of cable cores (1); an outer drainage wire (3) is arranged between the total wrapping layer (2) and the total shielding layer (4); a filling layer (8) is arranged between the three groups of wire cores (1) and the total wrapping layer (2); each group of wire cores (1) comprises a tinned copper wire bundle stranded conductor (9), an insulating layer (10), a unit shielding layer (12) and a unit wrapping layer (13) are sequentially arranged on the outer side of the tinned copper wire bundle stranded conductor (9), and inner drainage wires (11) are respectively arranged between the insulating layer (10) and the unit shielding layer (12); the outer sheath layer (7) is made of environment-friendly flame-retardant materials;
the environment-friendly flame-retardant material comprises the following raw materials in parts by weight: 50-70 parts of high-density polyethylene, 20-35 parts of epoxy modified polyurethane, 3-9 parts of ethylene-magnesium acrylate ionomer, 15-25 parts of active flame retardant, 1-5 parts of antioxidant, 2-15 parts of lubricant and 3-10 parts of ultraviolet resistant agent;
the active flame retardant is obtained by the following method: under the protection of nitrogen, the porcelain powder is added into the mixture according to the molar ratio of (1-5): (2-8): uniformly dispersing in a mixed solution of 10 dimethyl dichlorosilane, N-dimethylaniline and hexamethylenediamine, carrying out heat preservation reaction for 1-6 h at 30-70 ℃, enabling the pH value to be 5-6, continuously dropwise adding phenyl thiophosphoryl dichloride while stirring, wherein the molar ratio of the phenyl thiophosphoryl dichloride to the hexamethylenediamine is (1-5): 10, heating to 80-110 ℃, reacting for 12-27 hours with heat preservation, and cooling to obtain the active flame retardant;
the porcelain powder is one or a mixture of more than two of aluminum oxide, boron oxide and silicon dioxide; the ultraviolet resistance agent is polyethylene carbon black master batch; the antioxidant is tetrapentaerythritol ester or dilauryl thiodiformate; the lubricant is stearic acid or oleic acid;
the epoxy modified polyurethane consists of the following raw materials in parts by mass:
30-45 parts of polyether polyol, 35-55 parts of toluene diisocyanate, 15-25 parts of tetrahydrophthalic acid diglycidyl ester, 8-12 parts of 1, 4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyltetrahydrophthalic anhydride and 1-5 parts of 2,3, 6-tris (dimethylaminomethyl) phenol;
the total shielding layer (4) is coated with a magnetic nanoparticle polymer composite material, and the magnetic nanoparticle polymer composite material is prepared by grafting metal magnetic nanoparticles with polyamide acid;
the preparation method of the magnetic nanoparticle polymer composite material comprises the following steps:
step one, fe 3 O 4 Preparation of nanoparticles: feCl is added 3 And FeSO 4 Dissolving in deionized water to obtain a mixed solution, adding a precipitant into the mixed solution, reacting while stirring, separating out precipitate after the reaction is completed, and finally washing the precipitate with deionized water for multiple times to obtain the Fe 3 O 4 A nanoparticle;
step two, amino modified Fe 3 O 4 Preparation of nanoparticles: fe obtained in the first step 3 O 4 Dispersing the nano particles into ethanol solution with the mass fraction of 35-55%wt, sequentially adding tetraethyl silicate and gamma-aminopropyl triethoxysilane while stirring, separating out precipitate after the reaction is finished, washing the precipitate with absolute ethanol for multiple times, and drying to obtain the amino-modified Fe 3 O 4 A nanoparticle;
step three, polyamide acid grafting Fe 3 O 4 Nanoparticles: amino modified Fe obtained in the second step 3 O 4 Dispersing the nano particles in a solvent to obtain a uniform suspension, adding a part of aromatic tetracarboxylic dianhydride into the suspension, and stirring at room temperature for reaction to obtain a precursor; then adding diamine compound into the precursor, stirring uniformly, adding the rest aromatic tetracarboxylic dianhydride into the reaction system in batches, and finishing the additionAfter completion of the reaction, the stirring reaction is continued to obtain polyamic acid/Fe 3 O 4 ；
And step four, preparing a magnetic nanoparticle polymer composite material: the polyamic acid/Fe obtained in the step three 3 O 4 Uniformly coating the magnetic nanoparticle polymer composite material on a glass plate, and putting the glass plate into an oven to obtain the magnetic nanoparticle polymer composite material in a gradient heating mode;
the polyamic acid has a molar ratio of 1: (0.9-1.2) a diamine compound and aromatic tetracarboxylic dianhydride;
wherein the aromatic tetracarboxylic dianhydride is，
Wherein the diamine compound isWherein R3 is->、/>Or (b)。
2. The flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable according to claim 1, wherein the environment-friendly flame-retardant material comprises the following raw materials in parts by mass: 65 parts of high-density polyethylene, 22 parts of epoxy modified polyurethane, 5 parts of ethylene-magnesium acrylate ionomer, 18 parts of active flame retardant, 2 parts of antioxidant, 10 parts of lubricant and 4 parts of ultraviolet resistance agent; the epoxy modified polyurethane consists of 35 parts of polyether polyol, 40 parts of toluene diisocyanate, 21 parts of tetrahydrophthalic acid diglycidyl ester, 9 parts of 1, 4-butanediol, 18 parts of trimethylolpropane, 21 parts of methyltetrahydrophthalic anhydride and 3 parts of 2,3, 6-tris (dimethylaminomethyl) phenol.
3. The flame retardant, fire resistant, tamper resistant marine intrinsic safety meter cable of claim 1 or 2, wherein: the epoxy modified polyurethane is obtained by the following method: putting polyether polyol into a reaction kettle, heating to 120 ℃ under stirring, refluxing and dehydrating for 1h, then cooling to 50 ℃, adding toluene diisocyanate, slowly heating to 80 ℃, and stirring for reacting for 4-6h to obtain a polyurethane prepolymer; vacuum dehydrating tetrahydrophthalic acid diglycidyl ester for 1-3 hours at 80 ℃, cooling to 60 ℃, sequentially adding the polyurethane prepolymer, 1, 4-butanediol, trimethylolpropane, methyl tetrahydrophthalic anhydride and 2,3, 6-tris (dimethylaminomethyl) phenol, heating to 70-90 ℃, and stirring for reacting for 6-8 hours to obtain the epoxy modified polyurethane.
4. The flame retardant, fire resistant, tamper resistant marine intrinsic safety meter cable of claim 1 or 2, wherein: the polyether polyol is polyether glycol with molecular weight of 1000.
5. The flame retardant, fire resistant, tamper resistant marine intrinsic safety meter cable of claim 1, wherein: the insulating layer (10) is a low-density crosslinked polyethylene insulating layer; the unit shielding layer (12) and the total shielding layer (4) are aluminum foil polyester composite belts, the inner protective layer (5) is low-smoke halogen-free polyethylene, and the armor layer (6) is formed by braiding tinned copper wires.
6. The flame retardant, fire resistant, tamper resistant marine intrinsic safety meter cable of claim 1, wherein: the polyamic acid has a molar ratio of 1:1.02 polycondensation of pyromellitic dianhydride and a diamine compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462958.2A CN108154960B (en) | 2017-12-28 | 2017-12-28 | Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462958.2A CN108154960B (en) | 2017-12-28 | 2017-12-28 | Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108154960A CN108154960A (en) | 2018-06-12 |
| CN108154960B true CN108154960B (en) | 2024-01-23 |
Family
ID=62462444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462958.2A Active CN108154960B (en) | 2017-12-28 | 2017-12-28 | Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108154960B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116496469B (en) * | 2023-03-13 | 2024-01-26 | 广州光通科技有限公司 | Phosphorus-containing flame-retardant resin, and preparation method and application thereof |
| CN116435028B (en) * | 2023-04-25 | 2023-11-17 | 云南巨力电缆股份有限公司 | Long-life low-smoke flame-retardant electric wire and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6180888B1 (en) * | 1995-06-08 | 2001-01-30 | Phelps Dodge Industries, Inc. | Pulsed voltage surge resistant magnet wire |
| CN102585493A (en) * | 2010-12-28 | 2012-07-18 | 上海杰事杰新材料(集团)股份有限公司 | Nano particle/polyamide composite material, preparation method and application thereof |
| CN104183332A (en) * | 2014-05-22 | 2014-12-03 | 中国科学院城市环境研究所 | Composite material shielding power cable |
| CN105037759A (en) * | 2015-07-01 | 2015-11-11 | 南京工业大学 | Polyimide composite film with electromagnetic shielding function and preparation method thereof |
-
2017
- 2017-12-28 CN CN201711462958.2A patent/CN108154960B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6180888B1 (en) * | 1995-06-08 | 2001-01-30 | Phelps Dodge Industries, Inc. | Pulsed voltage surge resistant magnet wire |
| CN102585493A (en) * | 2010-12-28 | 2012-07-18 | 上海杰事杰新材料(集团)股份有限公司 | Nano particle/polyamide composite material, preparation method and application thereof |
| CN104183332A (en) * | 2014-05-22 | 2014-12-03 | 中国科学院城市环境研究所 | Composite material shielding power cable |
| CN105037759A (en) * | 2015-07-01 | 2015-11-11 | 南京工业大学 | Polyimide composite film with electromagnetic shielding function and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| Fe_3O_4@PI复合薄膜制备及其磁性能;刘长威;曲春艳;王德志;肖万宝;;化学与黏合(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108154960A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110660502B (en) | High-strength electromagnetic shielding cable | |
| CN108154960B (en) | Flame-retardant fire-resistant anti-interference marine intrinsic safety instrument cable | |
| JP2006302835A (en) | Polyamideimide resin insulating coating, insulated electric wire, and manufacturing method of those | |
| CN102844822A (en) | Insulated electric wire, electric device, and process for production of insulated electric wire | |
| KR102661175B1 (en) | Laminates of conductors and insulating films, coils, rotating electrics, insulating paints, and insulating films | |
| CN103642244A (en) | Fire retardation fireproof material and preparation method thereof | |
| KR101936806B1 (en) | Insulation composition for high flame-retardant and low emitting smoke, Separators using the same and Cable having the seperators | |
| CN115558144A (en) | Polyimide-fluororesin composite film and preparation method thereof | |
| Chi et al. | KH550‐SiO2/polyimide insulating paper preparation and characterisation | |
| CN110437714B (en) | Self-adhesive varnish and application thereof | |
| KR20180035715A (en) | Polyimide film having adhesives attached thereto | |
| CN108091439B (en) | Flame-retardant fire-resistant solar photovoltaic cable | |
| CN104592886B (en) | dry-type power transformer | |
| CN110660521B (en) | High-performance fire-resistant flame-retardant railway signal cable and preparation method thereof | |
| KR101708498B1 (en) | Insulated Wire | |
| CN108198655B (en) | Flame-retardant fire-resistant marine intrinsic safety instrument cable | |
| CN105913943A (en) | Special cable for railway traffic | |
| CN109385089B (en) | Polyamide acid resin synthesis method combining strictly equimolar monomers with compensation feeding | |
| CN105957630A (en) | High-voltage power transmission power cable | |
| CN110570977B (en) | High electromagnetic shielding heat-resistant cable | |
| CN103854791B (en) | A kind of small size environmental protection oil-resisting type railway locomotive cable | |
| CN114156004B (en) | Acid and alkali resistant anti-interference shielding computer cable | |
| KR100983761B1 (en) | Highly heat-resistant electrical wire | |
| KR100962914B1 (en) | Highly heat-resistant electrical wire | |
| Purushothaman et al. | Low dielectric constant composites using covalent organic framework dispersed terpolyimide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |