CN103524844B - A kind of high temperature resistant protective cover material and preparation method thereof for cable - Google Patents
A kind of high temperature resistant protective cover material and preparation method thereof for cable Download PDFInfo
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- CN103524844B CN103524844B CN201310460453.8A CN201310460453A CN103524844B CN 103524844 B CN103524844 B CN 103524844B CN 201310460453 A CN201310460453 A CN 201310460453A CN 103524844 B CN103524844 B CN 103524844B
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- protective cover
- cover material
- powder
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- cable
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 14
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010881 fly ash Substances 0.000 claims abstract description 10
- -1 phosphate toluene diphenyl ester Chemical class 0.000 claims abstract description 10
- 229930185605 Bisphenol Natural products 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 7
- 239000005662 Paraffin oil Substances 0.000 claims abstract description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 7
- 235000010290 biphenyl Nutrition 0.000 claims abstract description 7
- 239000004305 biphenyl Substances 0.000 claims abstract description 7
- ROPXFXOUUANXRR-YPKPFQOOSA-N bis(2-ethylhexyl) (z)-but-2-enedioate Chemical compound CCCCC(CC)COC(=O)\C=C/C(=O)OCC(CC)CCCC ROPXFXOUUANXRR-YPKPFQOOSA-N 0.000 claims abstract description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims abstract description 7
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 6
- 239000004843 novolac epoxy resin Substances 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims abstract description 5
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 claims abstract description 5
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims abstract description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 4
- LNHURPJLTHSVMU-UHFFFAOYSA-N para-Benzoquinone dioxime Chemical compound ON=C1C=CC(=NO)C=C1 LNHURPJLTHSVMU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims abstract description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004115 Sodium Silicate Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 2
- 244000060011 Cocos nucifera Species 0.000 claims description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 2
- 239000010428 baryte Substances 0.000 claims description 2
- 229910052601 baryte Inorganic materials 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims description 2
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 229910052590 monazite Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 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 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 235000019504 cigarettes Nutrition 0.000 abstract description 2
- 229910052736 halogen Inorganic materials 0.000 abstract description 2
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 101100207324 Arabidopsis thaliana TPPD gene Proteins 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- BRWZYZWZBMGMMG-UHFFFAOYSA-J dodecanoate tin(4+) Chemical compound [Sn+4].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O BRWZYZWZBMGMMG-UHFFFAOYSA-J 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Abstract
The invention discloses a kind of high temperature resistant protective cover material and preparation method thereof for cable, is its raw material by following weight portion made: high density polyethylene (HDPE) 70-80, ethylene propylene diene rubber 20-30, maleic anhydride grafted polyethylene 10-15, bisphenol A-type novolac epoxy resin 5-10, phosphate toluene diphenyl ester 8-12, di-2-ethylhexyl maleate 4-8, dual-tert-butyl peroxy isopropyl base benzene 0.5-1, parabenzoquinone dioxime 2-3, cyanacrylate 1-2, paraffin oil 3-5, activated zinc oxide 2-3, magnesium hydroxide 10-15, aluminium hydroxide 5-10, talcum powder 4-6, flyash 8-12, nano aluminum alumina 5-10, dibutyl tin laurate 2-3, antioxidant MB 1-2, age resistor TPPD 1-2, compounded mix 4-6. the protective cover material that the present invention makes not only heat-resisting quantity is good, can be for a long time for the working environment of 125 DEG C, and good flame retardation effect, oxygen index (OI) reaches more than 35%, Halogen, low cigarette, has solved the problem of high flame retardant protective cover material poor heat resistance.
Description
Technical field
The present invention relates to a kind of cable jacket material and preparation method thereof, be specifically related to the high temperature resistant sheath of a kind of cableMaterial and preparation method thereof.
Background technology
Cable cover(ing) is the indispensable intermediate structure part of cable, plays a part protection cable, ensures cableEnergising safety, make the medium such as copper wire and water, air isolated, avoid occurring leaky. Existing market is adopted moreWith polythene material, as halogen-free flameproof protective cover material, in order to ensure flame retardant effect, in protective cover material, a large amount of filling hinderedCombustible material, causes the heat resistance of sheath material and ageing resistace greatly to reduce, thereby has limited its environment for useAnd serviceability temperature.
Summary of the invention
The object of the invention is to ensureing, on the basis of protective cover material flame retardant effect, to provide a kind of cable with high temperature resistantProtective cover material and preparation method thereof.
The technical solution used in the present invention is as follows:
The high temperature resistant protective cover material of a kind of cable, made by the raw material of following weight portion: high density polyethylene (HDPE) 70-80,Ethylene propylene diene rubber 20-30, maleic anhydride grafted polyethylene 10-15, bisphenol A-type novolac epoxy resin5-10, phosphate toluene diphenyl ester 8-12, di-2-ethylhexyl maleate 4-8, dual-tert-butyl peroxy isopropyl base benzene 0.5-1,Parabenzoquinone dioxime 2-3, cyanacrylate 1-2, paraffin oil 3-5, activated zinc oxide 2-3, hydrogen-oxygenChange magnesium 10-15, aluminium hydroxide 5-10, talcum powder 4-6, flyash 8-12, nano aluminum alumina 5-10, twoDibutyl tin laurate 2-3, antioxidant MB 1-2, age resistor TPPD1-2, compounded mix 4-6;
The preparation method of described compounded mix is as follows: a, take bentonite, heavy brilliant by weight 4-6:3-5:2-3Stone, monazite, then add the coal dust of bentonite weight 2-3%, the active carbon of 1-2%, mix rear 540-560 DEG CCalcining 3-5h, is cooled to after normal temperature below powder particle diameter to 15 μ m, and it is 40-50% that concentration is made in then adding water making beatingSlurries, adding concentration is that the hydrochloric acid solution of 10-15% regulates slurries PH to 4.5-5.5,70-80 DEG C of heating water bath2-3h, then the sodium hydroxide solution that is 10-15% by concentration adjusting PH is to neutral, then adds slurry weight 2-3%NPE, the lauryl sodium sulfate of 3-4%, the N of 2-3%, N-bis-(hydroxyethyl) cocounut oil acylThe sodium metasilicate of the flyash of amine, 1-2%, the polyethylene glycol of 2-3% and 3-5%, speed lapping slurry particle diameter to 10Below μ m, be spray dried to powder; B, to the jade powder, the 1-2% that add 2-3% in the above-mentioned powder makingZirconium English powder, Sodium Polyacrylate, the shitosan of 1-2% and the tetra isopropyl of 0.5-1% two (the dioctyl Asia of 3-4%Phosphoric acid acyloxy) titanate esters, high speed shear is disperseed 10-15min.
A preparation method for high temperature resistant protective cover material for cable, comprises the following steps: high-speed kneading machine is heated to50-60 DEG C, adds ethylene propylene diene rubber, compounded mix, phosphate toluene diphenyl ester, di-2-ethylhexyl maleate, workProperty zinc oxide, mediate 3-5min; Then be warming up to 75-85 DEG C, add high density polyethylene (HDPE), maleic anhydride to connectBranch polyethylene, bisphenol A-type novolac epoxy resin, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, receiveRice bauxite, mediates 4-8min, then adds all the other raw materials, continues to mediate 2-3min, is cooled to below 45 DEG CGet final product discharging; Then compound is dropped into double screw extruder and carry out extruding pelletization, the work of double screw extruderTemperature is 160-180 DEG C, finally by air-cooled, screening magnetic separation, metering, packaging, obtains required protective cover material.
Beneficial effect of the present invention:
The protective cover material that the present invention makes not only heat-resisting quantity is good, can be for a long time for the working environment of 125 DEG C, and resistanceFire effectively, oxygen index (OI) reaches more than 35%, Halogen, and low cigarette, has solved asking of high flame retardant protective cover material poor heat resistanceTopic has the performances such as good mechanical strength, resistance to ag(e)ing, resistance to acids and bases, impact resistance, wearability simultaneously,Extend the service life of sheath, widened the scope of application of sheath.
Detailed description of the invention
The high temperature resistant protective cover material of a kind of cable, made by the raw material of following weight (kg): high density polyethylene (HDPE) 75,Ethylene propylene diene rubber 25, maleic anhydride grafted polyethylene 12, bisphenol A-type novolac epoxy resin 8, phosphoric acid firstBenzene diphenyl ester 10, di-2-ethylhexyl maleate 6, dual-tert-butyl peroxy isopropyl base benzene 0.7, parabenzoquinone dioxime 2.5,Cyanacrylate 1.5, paraffin oil 4, activated zinc oxide 2, magnesium hydroxide 12, aluminium hydroxide 8,Talcum powder 5, flyash 10, nano aluminum alumina 8, dibutyl tin laurate 2, antioxidant MB 2, anti-oldAgent TPPD1, compounded mix 5;
The preparation method of described compounded mix is as follows: a, take bentonite, barite, solely by weight 5:3:3Occupy stone, then add the coal dust of bentonite weight 2.5%, 1.5% active carbon, mix rear 550 DEG C of calcining 4h,Be cooled to after normal temperature below powder particle diameter to 15 μ m, it is 45% slurries that concentration is made in then adding water making beating, addsConcentration is 15% hydrochloric acid solution adjusting slurries PH to 4.5,80 DEG C of heating water bath 2h, then the hydrogen that is 12% by concentrationSodium hydroxide solution regulates PH to neutral, then add slurry weight 2% NPE, 4% 12Sodium alkyl sulfate, 3% N, N-bis-(hydroxyethyl) coconut oleoyl amine, 1% flyash, 2% polyethylene glycol and 3%Sodium metasilicate, below speed lapping slurry particle diameter to 10 μ m, be spray dried to powder; B, make to above-mentionedIn powder, add 2.5% jade powder, 1.5% zirconium English powder, 3% Sodium Polyacrylate, 1% shitosan and 0.7%Tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanate esters, high speed shear disperse 15min.
A preparation method for high temperature resistant protective cover material for cable, comprises the following steps: high-speed kneading machine is heated to50-60 DEG C, adds ethylene propylene diene rubber, compounded mix, phosphate toluene diphenyl ester, di-2-ethylhexyl maleate, workProperty zinc oxide, mediate 4min; Then be warming up to 75-85 DEG C, add high density polyethylene (HDPE), maleic anhydride graftPolyethylene, bisphenol A-type novolac epoxy resin, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, nanometerBauxite, mediates 6min, then adds all the other raw materials, continues to mediate 2min, is cooled to 45 DEG C and can goes out belowMaterial; Then compound is dropped into double screw extruder and carry out extruding pelletization, the operating temperature of double screw extruder is160-180 DEG C, finally by air-cooled, screening magnetic separation, metering, packaging, obtains required protective cover material.
The performance test results of the protective cover material making is as follows:
Claims (2)
1. the high temperature resistant protective cover material of cable, it is characterized in that, raw material by following weight portion is made: high density polyethylene (HDPE) 70-80, ethylene propylene diene rubber 20-30, maleic anhydride grafted polyethylene 10-15, bisphenol A-type novolac epoxy resin 5-10, phosphate toluene diphenyl ester 8-12, di-2-ethylhexyl maleate 4-8, dual-tert-butyl peroxy isopropyl base benzene 0.5-1, parabenzoquinone dioxime 2-3, cyanacrylate 1-2, paraffin oil 3-5, activated zinc oxide 2-3, magnesium hydroxide 10-15, aluminium hydroxide 5-10, talcum powder 4-6, flyash 8-12, nano aluminum alumina 5-10, dibutyl tin laurate 2-3, antioxidant MB 1-2, age resistor TPPD1-2, compounded mix 4-6,
The preparation method of described compounded mix is as follows: a, take bentonite by weight 4-6:3-5:2-3, barite, monazite, add again the coal dust of bentonite weight 2-3%, the active carbon of 1-2%, mix rear 540-560 DEG C of calcining 3-5h, be cooled to after normal temperature below powder particle diameter to 15 μ m, then the slurries that concentration is 40-50% are made in the making beating that adds water, adding concentration is the hydrochloric acid solution adjusting slurries pH to 4.5-5.5 of 10-15%, 70-80 DEG C of heating water bath 2-3h, the sodium hydroxide solution that is 10-15% by concentration again regulates pH to neutral, then add the NPE of slurry weight 2-3%, the lauryl sodium sulfate of 3-4%, the N of 2-3%, N-bis-(hydroxyethyl) coconut oleoyl amine, the flyash of 1-2%, the polyethylene glycol of 2-3% and the sodium metasilicate of 3-5%, below speed lapping slurry particle diameter to 10 μ m, be spray dried to powder, b, in the above-mentioned powder making, add the jade powder of 2-3%, the zirconium English powder of 1-2%, Sodium Polyacrylate, the shitosan of 1-2% and the tetra isopropyl of 0.5-1% two (the dioctyl phosphorous acid acyloxy) titanate esters of 3-4%, high speed shear is disperseed 10-15min.
2. the preparation method of high temperature resistant protective cover material for cable as claimed in claim 1, it is characterized in that comprising the following steps: high-speed kneading machine is heated to 50-60 DEG C, add ethylene propylene diene rubber, compounded mix, phosphate toluene diphenyl ester, di-2-ethylhexyl maleate, activated zinc oxide, mediate 3-5min; Then be warming up to 75-85 DEG C, add high density polyethylene (HDPE), maleic anhydride grafted polyethylene, bisphenol A-type novolac epoxy resin, paraffin oil, magnesium hydroxide, aluminium hydroxide, flyash, nano aluminum alumina, mediate 4-8min, add again all the other raw materials, continue to mediate 2-3min, be cooled to 45 DEG C and get final product below discharging; Then compound is dropped into double screw extruder and carry out extruding pelletization, the operating temperature of double screw extruder is 160-180 DEG C, finally by air-cooled, screening magnetic separation, metering, packaging, obtains required protective cover material.
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