CN107200934B - High-strength and pressure-resistant submarine cable material and preparation method thereof - Google Patents
High-strength and pressure-resistant submarine cable material and preparation method thereof Download PDFInfo
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- CN107200934B CN107200934B CN201710441482.8A CN201710441482A CN107200934B CN 107200934 B CN107200934 B CN 107200934B CN 201710441482 A CN201710441482 A CN 201710441482A CN 107200934 B CN107200934 B CN 107200934B
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- 239000000463 material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 38
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 19
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 19
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 19
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 19
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 19
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 229960000892 attapulgite Drugs 0.000 claims abstract description 19
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims abstract description 19
- 229920001577 copolymer Polymers 0.000 claims abstract description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 19
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 19
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 19
- 239000004575 stone Substances 0.000 claims abstract description 19
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 238000002156 mixing Methods 0.000 claims description 21
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000004898 kneading Methods 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000012065 filter cake Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- MUGSTXRSLGJVOB-UHFFFAOYSA-N 2-[2-[2-(6-methylheptanoyloxy)ethoxy]ethoxy]ethyl 6-methylheptanoate Chemical compound C(CCCCC(C)C)(=O)OCCOCCOCCOC(CCCCC(C)C)=O MUGSTXRSLGJVOB-UHFFFAOYSA-N 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
-
- 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
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a high-strength and pressure-resistant submarine cable material which is prepared from the following raw materials: ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, an organic antimony stabilizer, fumed silica, triethylene glycol diisooctanoate, an antioxidant DLTP, zinc borate, molybdenum trioxide, medical stone and attapulgite. The invention also discloses a preparation method of the high-strength and pressure-resistant submarine cable material. The submarine cable material prepared by the invention has good strength and excellent pressure resistance, can meet the use requirement of a submarine complex environment, and prolongs the service life of the submarine cable, so that the maintenance cost of the submarine cable is reduced, and the submarine cable material has important market value and social value.
Description
Technical Field
The invention relates to the technical field of cable materials, in particular to a high-strength and pressure-resistant submarine cable material and a preparation method thereof.
Background
Submarine cables are cables wrapped with insulating materials and laid on the sea bottom for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Modern submarine cables use optical fiber as the material to transmit telephone and internet signals. Compared with terrestrial cables, submarine cables have many advantages: firstly, the construction does not need to dig a tunnel or be supported by a bracket, so the investment is less and the construction speed is high; and besides, the cable is mostly arranged on the seabed of a certain test except a landing area, and is not damaged by natural environments such as wind and waves and the interference of human production activities, so that the cable is safe and stable, strong in anti-interference capability and good in confidentiality. However, the submarine cable is laid on the seabed, so that the laying environment is complex, the submarine cable needs to bear large pressure for a long time, and aging is easy to occur, so that the strength and pressure resistance of the submarine cable are very important. With the development of the times, the strength and the pressure resistance of the existing submarine cable can not meet the market demand gradually.
Disclosure of Invention
The invention aims to provide a high-strength and pressure-resistant submarine cable material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 85-90 parts of ethylene propylene diene monomer, 17-20 parts of nitrile rubber, 12-15 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3-5 parts of butyl stearate, 1-2 parts of barium stearate, 6-9 parts of ammonium polyphosphate, 2-3 parts of ethylene bis-stearamide, 2-5 parts of organic antimony stabilizer, 3-4 parts of fumed silica, 3-5 parts of triethylene glycol diisocaprylate, 1-2 parts of antioxidant DLTP, 3-4 parts of zinc borate, 2-3 parts of molybdenum trioxide, 4-7 parts of medical stone and 8-10 parts of attapulgite.
As a further scheme of the invention: the feed is prepared from the following raw materials in parts by weight: 86-89 parts of ethylene propylene diene monomer, 18-19 parts of nitrile rubber, 13-14 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.4-4.7 parts of butyl stearate, 1.3-1.8 parts of barium stearate, 7-8 parts of ammonium polyphosphate, 2.4-2.7 parts of ethylene bis-stearamide, 3-4 parts of organic antimony stabilizer, 3.1-3.8 parts of fumed silica, 3.5-4.5 parts of triethylene glycol diisocaprylate, 1.3-1.7 parts of antioxidant DLTP, 3.4-3.7 parts of zinc borate, 2.2-2.8 parts of molybdenum trioxide, 5-6 parts of medical stone and 8.5-9.5 parts of attapulgite.
As a still further scheme of the invention: the feed is prepared from the following raw materials in parts by weight: 87 parts of ethylene propylene diene monomer, 19 parts of nitrile rubber, 13 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.9 parts of butyl stearate, 1.6 parts of barium stearate, 7.5 parts of ammonium polyphosphate, 2.6 parts of ethylene bis-stearamide, 3.5 parts of organic antimony stabilizer, 3.3 parts of fumed silica, 4 parts of triethylene glycol diisocaprylate, 1.5 parts of antioxidant DLTP, 3.6 parts of zinc borate, 2.4 parts of molybdenum trioxide, 5.5 parts of medical stone and 9 parts of attapulgite.
The preparation method of the high-strength and pressure-resistant submarine cable material comprises the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a sieve of 80-100 meshes, mixing, and calcining at the temperature of 620 ℃ and 650 ℃ for 2-3h to obtain a calcined material;
2) adding water accounting for 80-90% of the total mass of the calcined material into the calcined material, and carrying out ball milling and mixing for 3-5h to obtain slurry;
3) adding 20% sulfuric acid solution into the slurry to adjust pH to 4-4.2, stirring and mixing uniformly, standing for 45-50min, adding sodium hydroxide solution to adjust pH to 7-7.5, standing for 15-20min, filtering, drying the filter cake, and pulverizing to obtain additive powder;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneader, kneading for 3-5min at 162-170 ℃, adding organic antimony stabilizer, antioxidant DLTP, zinc borate and additive powder, and kneading for 3-5min at 140-145 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
As a still further scheme of the invention: in the step 3), the concentration of the sodium hydroxide solution is 50%.
Compared with the prior art, the invention has the beneficial effects that:
the submarine cable material prepared by the invention has good strength and excellent pressure resistance, can meet the use requirement of a submarine complex environment, and prolongs the service life of the submarine cable, so that the maintenance cost of the submarine cable is reduced, and the submarine cable material has important market value and social value.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
A high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 85 parts of ethylene propylene diene monomer, 17 parts of nitrile rubber, 12 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3 parts of butyl stearate, 1 part of barium stearate, 6 parts of ammonium polyphosphate, 2 parts of ethylene bis stearamide, 2 parts of organic antimony stabilizer, 3 parts of fumed silica, 3 parts of triethylene glycol diisocaprylate, 1 part of antioxidant DLTP, 3 parts of zinc borate, 2 parts of molybdenum trioxide, 4 parts of medical stone and 8 parts of attapulgite.
In this embodiment, the preparation method of the high-strength and pressure-resistant submarine cable material includes the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a 80-mesh sieve, mixing, and calcining at 620 ℃ for 2h to obtain a calcined material;
2) adding water accounting for 80% of the total mass of the calcined material, and performing ball milling and mixing for 3 hours to obtain slurry;
3) adding a 20% sulfuric acid solution into the slurry to adjust the pH value to 4, stirring and mixing uniformly, standing for 45min, then adding a sodium hydroxide solution to adjust the pH value to 7, standing for 15min, filtering, drying a filter cake, and crushing to obtain additive powder, wherein the concentration of the sodium hydroxide solution is 50%;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneading machine, kneading for 3min at 162 ℃, adding an organic antimony stabilizer, an antioxidant DLTP, zinc borate and additive powder, and kneading for 3min at 140 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
Example 2
A high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 86 parts of ethylene propylene diene monomer, 18 parts of nitrile rubber, 13 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 4.7 parts of butyl stearate, 1.8 parts of barium stearate, 8 parts of ammonium polyphosphate, 2.4 parts of ethylene bis-stearamide, 3 parts of organic antimony stabilizer, 3.1 parts of fumed silica, 4.5 parts of triethylene glycol diisocaprylate, 1.7 parts of antioxidant DLTP, 3.7 parts of zinc borate, 2.2 parts of molybdenum trioxide, 5 parts of medical stone and 9.5 parts of attapulgite.
In this embodiment, the preparation method of the high-strength and pressure-resistant submarine cable material includes the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a 80-mesh sieve, mixing, and calcining at 630 ℃ for 2.5h to obtain a calcined material;
2) adding water accounting for 82% of the total mass of the calcined material, and carrying out ball milling and mixing for 3.5 hours to obtain slurry;
3) adding a 20% sulfuric acid solution into the slurry to adjust the pH value to 4, stirring and mixing uniformly, standing for 46min, then adding a sodium hydroxide solution to adjust the pH value to 7.2, standing for 17min, filtering, drying a filter cake, and crushing to obtain additive powder, wherein the concentration of the sodium hydroxide solution is 50%;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneader, kneading for 3.5min at 165 ℃, adding an organic antimony stabilizer, an antioxidant DLTP, zinc borate and additive powder, and kneading for 3.5min at 141 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
Example 3
A high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 87 parts of ethylene propylene diene monomer, 19 parts of nitrile rubber, 13 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.9 parts of butyl stearate, 1.6 parts of barium stearate, 7.5 parts of ammonium polyphosphate, 2.6 parts of ethylene bis-stearamide, 3.5 parts of organic antimony stabilizer, 3.3 parts of fumed silica, 4 parts of triethylene glycol diisocaprylate, 1.5 parts of antioxidant DLTP, 3.6 parts of zinc borate, 2.4 parts of molybdenum trioxide, 5.5 parts of medical stone and 9 parts of attapulgite.
In this embodiment, the preparation method of the high-strength and pressure-resistant submarine cable material includes the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a 90-mesh sieve, mixing, and calcining at 635 ℃ for 2.5 hours to obtain a calcined material;
2) adding water accounting for 85% of the total mass of the calcined material, and performing ball milling and mixing for 4 hours to obtain slurry;
3) adding a 20% sulfuric acid solution into the slurry to adjust the pH value to 4.1, stirring and mixing uniformly, standing for 48min, then adding a sodium hydroxide solution to adjust the pH value to 7.2, standing for 18min, filtering, drying a filter cake, and crushing to obtain additive powder, wherein the concentration of the sodium hydroxide solution is 50%;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneading machine, kneading for 4min at 167 ℃, adding an organic antimony stabilizer, an antioxidant DLTP, zinc borate and additive powder, and kneading for 4min at 143 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
Example 4
A high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 89 parts of ethylene propylene diene monomer, 19 parts of nitrile rubber, 14 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.4 parts of butyl stearate, 1.3 parts of barium stearate, 7 parts of ammonium polyphosphate, 2.7 parts of ethylene bis-stearamide, 4 parts of organic antimony stabilizer, 3.8 parts of fumed silica, 3.5 parts of triethylene glycol diisocaprylate, 1.3 parts of antioxidant DLTP, 3.4 parts of zinc borate, 2.8 parts of molybdenum trioxide, 6 parts of medical stone and 8.5 parts of attapulgite.
In this embodiment, the preparation method of the high-strength and pressure-resistant submarine cable material includes the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a 90-mesh sieve, mixing, and calcining at 640 ℃ for 3 hours to obtain a calcined material;
2) adding water accounting for 87% of the total mass of the calcined material into the calcined material, and carrying out ball milling and mixing for 4.5 hours to obtain slurry;
3) adding a 20% sulfuric acid solution into the slurry to adjust the pH value to 4.2, stirring and mixing uniformly, standing for 48min, then adding a sodium hydroxide solution to adjust the pH value to 7.3, standing for 18min, filtering, drying a filter cake, and crushing to obtain additive powder, wherein the concentration of the sodium hydroxide solution is 50%;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneader, kneading for 5min at 170 ℃, adding an organic antimony stabilizer, an antioxidant DLTP, zinc borate and additive powder, and kneading for 4min at 143 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
Example 5
A high-strength and pressure-resistant submarine cable material is prepared from the following raw materials in parts by weight: 90 parts of ethylene propylene diene monomer, 20 parts of nitrile rubber, 15 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 5 parts of butyl stearate, 2 parts of barium stearate, 9 parts of ammonium polyphosphate, 3 parts of ethylene bis stearamide, 5 parts of organic antimony stabilizer, 4 parts of fumed silica, 5 parts of triethylene glycol diisocaprylate, 2 parts of antioxidant DLTP, 4 parts of zinc borate, 3 parts of molybdenum trioxide, 7 parts of medical stone and 10 parts of attapulgite.
In this embodiment, the preparation method of the high-strength and pressure-resistant submarine cable material includes the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a 100-mesh sieve, mixing, and calcining at 650 ℃ for 3 hours to obtain a calcined material;
2) adding water accounting for 90% of the total mass of the calcined material, and carrying out ball milling and mixing for 5 hours to obtain slurry;
3) adding a 20% sulfuric acid solution into the slurry to adjust the pH value to 4.2, stirring and mixing uniformly, standing for 50min, then adding a sodium hydroxide solution to adjust the pH value to 7.5, standing for 20min, filtering, drying a filter cake, and crushing to obtain additive powder, wherein the concentration of the sodium hydroxide solution is 50%;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneading machine, kneading for 5min at 170 ℃, adding an organic antimony stabilizer, an antioxidant DLTP, zinc borate and additive powder, and kneading for 5min at 145 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
The cable materials prepared in examples 1 to 5 of the present invention were subjected to performance tests, and the obtained test results were as follows.
Table 1 test statistics table
Note: the tensile strength change rate and the elongation at break change rate are respectively the tensile strength change rate and the elongation at break change rate after passing an air oven aging test (100 ℃ multiplied by 168 h). The indentation depth is obtained by a high-temperature pressure test (80 ℃ multiplied by 6 h).
From the table, the submarine cable material prepared by the invention has good strength and excellent pressure resistance, can meet the use requirement of submarine complex environment, and prolongs the service life of the submarine cable, thereby reducing the maintenance cost of the submarine cable and having important market value and social value.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A high-strength and pressure-resistant submarine cable material is characterized by being prepared from the following raw materials in parts by weight: 85-90 parts of ethylene propylene diene monomer, 17-20 parts of nitrile rubber, 12-15 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3-5 parts of butyl stearate, 1-2 parts of barium stearate, 6-9 parts of ammonium polyphosphate, 2-3 parts of ethylene bis-stearamide, 2-5 parts of organic antimony stabilizer, 3-4 parts of fumed silica, 3-5 parts of triethylene glycol diisocaprylate, 1-2 parts of antioxidant DLTP, 3-4 parts of zinc borate, 2-3 parts of molybdenum trioxide, 4-7 parts of medical stone and 8-10 parts of attapulgite;
the preparation method of the high-strength and pressure-resistant submarine cable material comprises the following steps:
1) weighing molybdenum trioxide, medical stone and attapulgite, crushing, sieving with a sieve of 80-100 meshes, mixing, and calcining at the temperature of 620 ℃ and 650 ℃ for 2-3h to obtain a calcined material;
2) adding water accounting for 80-90% of the total mass of the calcined material into the calcined material, and carrying out ball milling and mixing for 3-5h to obtain slurry;
3) adding 20% sulfuric acid solution into the slurry to adjust pH to 4-4.2, stirring and mixing uniformly, standing for 45-50min, adding sodium hydroxide solution to adjust pH to 7-7.5, standing for 15-20min, filtering, drying the filter cake, and pulverizing to obtain additive powder;
4) weighing ethylene propylene diene monomer, nitrile rubber, maleic anhydride grafted ethylene-ethyl acetate copolymer, butyl stearate, barium stearate, ammonium polyphosphate, ethylene bis-stearamide, fumed silica and triethylene glycol diisocaprylate, putting into a kneader, kneading for 3-5min at 162-170 ℃, adding organic antimony stabilizer, antioxidant DLTP, zinc borate and additive powder, and kneading for 3-5min at 140-145 ℃ to obtain a mixture;
5) and (3) putting the mixture into a double-screw extruder to extrude and granulate.
2. A high strength and pressure resistant submarine cable material according to claim 1, which is prepared from the following raw materials in parts by weight: 86-89 parts of ethylene propylene diene monomer, 18-19 parts of nitrile rubber, 13-14 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.4-4.7 parts of butyl stearate, 1.3-1.8 parts of barium stearate, 7-8 parts of ammonium polyphosphate, 2.4-2.7 parts of ethylene bis-stearamide, 3-4 parts of organic antimony stabilizer, 3.1-3.8 parts of fumed silica, 3.5-4.5 parts of triethylene glycol diisocaprylate, 1.3-1.7 parts of antioxidant DLTP, 3.4-3.7 parts of zinc borate, 2.2-2.8 parts of molybdenum trioxide, 5-6 parts of medical stone and 8.5-9.5 parts of attapulgite.
3. The high-strength and pressure-resistant submarine cable material according to claim 2, which is prepared from the following raw materials in parts by weight: 87 parts of ethylene propylene diene monomer, 19 parts of nitrile rubber, 13 parts of maleic anhydride grafted ethylene-ethyl acetate copolymer, 3.9 parts of butyl stearate, 1.6 parts of barium stearate, 7.5 parts of ammonium polyphosphate, 2.6 parts of ethylene bis-stearamide, 3.5 parts of organic antimony stabilizer, 3.3 parts of fumed silica, 4 parts of triethylene glycol diisocaprylate, 1.5 parts of antioxidant DLTP, 3.6 parts of zinc borate, 2.4 parts of molybdenum trioxide, 5.5 parts of medical stone and 9 parts of attapulgite.
4. A high strength and pressure resistant submarine cable material according to claim 1, wherein in step 3), the concentration of the sodium hydroxide solution is 50%.
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| CN105225749A (en) * | 2015-08-18 | 2016-01-06 | 合肥市再德高分子材料有限公司 | A kind of heat-resisting oil resistant cable |
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Address after: 332207 Wharf Industrial City, Ruichang City, Jiujiang City, Jiangxi Province Patentee after: Jiangxi Jien Submarine Cable Co.,Ltd. Address before: 332207 Wharf Industrial City, Ruichang City, Jiujiang City, Jiangxi Province Patentee before: JIANGXI JIEN HEAVY INDUSTRY Co.,Ltd. |