CN103772832A - Sheathing material for high-strength and aging-resistant power cable and preparation method of sheathing material - Google Patents
Sheathing material for high-strength and aging-resistant power cable and preparation method of sheathing material Download PDFInfo
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- CN103772832A CN103772832A CN201410023021.5A CN201410023021A CN103772832A CN 103772832 A CN103772832 A CN 103772832A CN 201410023021 A CN201410023021 A CN 201410023021A CN 103772832 A CN103772832 A CN 103772832A
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/32—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur
- C08L23/34—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with compounds containing phosphorus or sulfur by chlorosulfonation
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- 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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- 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
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- 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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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a sheathing material for a high-strength and aging-resistant power cable. The sheathing material consists of the following raw materials in parts by weight: 15-18 parts of chlorosulfonated polyethylene, 3-6 parts of ethylene-propylene-diene monomer rubber, 3-6 parts of chlorinated butyl rubber, 0.3-1 part of dimethyl zinc aminodithioformate, 0.3-0.7 part of dibenzothiazyl disulfide, 1-1.5 parts of zinc oxide as an activating agent, 1.5-2.5 parts of stearic acid, 0.6-1 part of dibutyl nickel aminodithioformate, 0.3-0.7 part of chlorinated paraffin, 0.7-1.5 parts of polyethylene glycol as a surfactant, 0.7-1.4 parts of coumarone, 1.5-2 parts of potassium chloroplatinate, 2.5-3.5 parts of dioctyl phthalate, 3-6 parts of carbon black 330 as a reinforcing agent, 2.5-3.5 parts of superfine talcum powder as filler and 2.5-4 parts of calcium carbonate as filler. Furthermore, the invention discloses a preparation method of the sheathing material for the high-strength and aging-resistant power cable. The sheathing material for the cable, which is disclosed by the invention, is good in mechanical performance, high in tensile strength, good in tear strength and wear resistance, excellent in aging resistance, simple in preparation process and relatively low in production cost.
Description
Technical field
The present invention relates to cable sheath technical field, relate in particular to a kind of high-strength ageing-resistant power cable sheath material and preparation method thereof.
Background technology
Wires and cables industry is the second largest industry that China is only second to automobile industry, and range of product meets rate and domestic market occupation rate all exceedes 90%.Worldwide, the Chinese electric wire gross output value has exceeded the U.S., becomes first electric wire producing country in the world.Be accompanied by China Power cable industry high speed development, creation of new enterprise quantity constantly rises, industry overall technology level is largely increased, power cable is for transmitting and distributes the cable of electric energy, be usually used in Urban Underground electrical network, power house lead line, industrial and mining enterprises in-line power and cross river, excessively extra large submarine transmission line.In electric power circuit, the shared proportion of cable increases just gradually.
The protection sheet lead of power cable damaged or cable insulation that is in operation in the time laying is mechanically damaged, and causes the puncture of insulation between the alternate or sheet lead of cable, the electric arc of generation make insulating material and cable external protection material combustion on fire.Power cable outermost layer is generally rubber or the synthetic cover of rubber, and the effect one of this one deck is insulation, also plays protection cable simultaneously and preserves from.And overlond running for a long time, the operating temperature of cable insulation material exceedes the maximum permissible temperature of normal heating, make the sheathcoat of cable aging withered, and the phenomenon that this aging of insulation is withered, usually occur on whole cable line, because cable insulation is aging withered, insulating material is lost or reduce insulating property and mechanical property, thereby the easy ignition that punctures, even burn on fire along the whole length of cable many places simultaneously, how to prepare a kind of ageing-resistant, resistance to electrical insulation capability excellence, physical and mechanical properties is good, the simple high-strength ageing-resistant power cable of preparation process becomes the current technical issues that need to address with sheath material.
Summary of the invention
The present invention proposes a kind of high-strength ageing-resistant power cable sheath material and preparation method thereof, described in described sheath material, the resistance to electrical insulation capability of cable jacket material is good, ageing-resistant performance excellence, and physical and mechanical properties is good, preparation process is simple, and production cost is lower.
The high-strength ageing-resistant power cable sheath material of one that the present invention proposes, its raw material comprises by weight: chlorosulfonated polyethylene: 15-18 part, terpolymer EP rubber: 3-6 part, chlorinated butyl rubber: 3-6 part, ziram: 0.3-1 part, dibenzothiazyl disulfide: 0.3-0.7 part, promoting agent zinc oxide: 1-1.5 part, stearic acid: 1.5-2.5 part, nickel dibutyl dithiocarbamate: 0.6-1 part, clorafin: 0.3-0.7 part, surfactant polyoxyethylene glycol: 0.7-1.5 part, coumarone: 0.7-1.4 part, potassium platinichloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3.5 part, strengthening agent carbon black 330:3-6 part, weighting agent superfine talcum powder: 2.5-3.5 part, weighting agent calcium carbonate: 2.5-4 part.
In embodiment, the weight part of chlorosulfonated polyethylene can be 15.2, 15.8, 16, 16.5, 17, 17.4, 17.8, 17.9, the weight part of terpolymer EP rubber can be 3.2, 3.5, 3.8, 4, 4.4, 4.8, 4.9, the weight part of chlorinated butyl rubber can be 3.1, 3.5, 4, 4.5, 4.9, 5, 5.5, 5.8, the weight part of ziram can be 0.34, 0.35, 0.41, 0.45, 0.6, 0.82, 0.97, the weight part of dibenzothiazyl disulfide can be 0.32, 0.4, 0.43, 0.5, 0.55, 0.6, 0.67, the weight part of promoting agent zinc oxide can be 1.1, 1.2, 1.26, 1.3, 1.4, 1.45, stearic weight part can be 1.6, 1.8, 2, 2.1, 2.4, 2.45, the weight part of nickel dibutyl dithiocarbamate can be 0.61, 0.7, 0.8, 0.9, 0.91, the weight part of clorafin can be 0.33, 0.4, 0.42, 0.5, 0.55, 0.6, 0.67, the weight part of surfactant polyoxyethylene glycol can be 0.78, 0.9, 1, 1.1, 1.3, 1.4, 1.45, the weight part of coumarone can be 0.77, 0.9, 1, 1.1, 1.3, 1.34, the weight part of potassium platinichloride can be 1.52, 1.6, 1.7, 1.8, 1.9, 92, the weight part of dioctyl phthalate (DOP) can be 2.55, 2.7, 2.9, 3, 3.3, 3.45, the weight part of strengthening agent carbon black 330 can be 3, 3.3, 3.5, 3.8, 4, 4.5, 5, 5.4, 5.8, the weight part of weighting agent superfine talcum powder can be 2.6, 2.8, 2.9, 3, 3.1, 3.2, 3.4, the weight part of weighting agent calcium carbonate can be 2.6, 2.8, 3, 3.2, 3.5, 3.6, 3.8, 3.9.
Preferably, terpolymer EP rubber: the weight ratio of chlorinated butyl rubber is 1:1.
Preferably, ziram: promoting agent zinc oxide: stearic weight ratio is 1:(2-3): (3-5).
Preferably, the particle diameter of described weighting agent superfine talcum powder is 24-40 micron, and content of magnesia is 31.88%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
Preferably, its raw material comprises by weight: chlorosulfonated polyethylene: 16-17 part, terpolymer EP rubber: 4-5 part, chlorinated butyl rubber: 4-5 part, ziram: 0.5-0.7 part, dibenzothiazyl disulfide: 0.4-0.6 part, promoting agent zinc oxide: 1.2-1.4 part, stearic acid: 2-2.3 part, nickel dibutyl dithiocarbamate: 0.7-0.9 part, clorafin: 0.5-0.6 part, surfactant polyoxyethylene glycol: 1-1.3 part, coumarone: 1-1.2 part, potassium platinichloride: 1.7-2 part, dioctyl phthalate (DOP): 3-3.4 part, strengthening agent carbon black 330:4-5 part, weighting agent superfine talcum powder: 2.8-3.2 part, weighting agent calcium carbonate: 2.8-3.5 part.
The invention also discloses a kind of preparation method who uses sheath material according to above-mentioned high-strength ageing-resistant power cable, comprise the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 105-115 degree Celsius, and mixing time is 20-60 second;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 100-115 degree Celsius, and rolling the sheet time is 7-11 minute.
In the present invention, by adding chlorosulfonated polyethylene also and terpolymer EP rubber, chlorinated butyl rubber mixes use, can significantly strengthen the physical and mechanical properties of sheath material, ageing-resistant performance and resistance to electrical insulation capability, use ziram and dibenzothiazyl disulfide to share and there is higher sulfurate activity, dibenzothiazyl disulfide has activation to terpolymer EP rubber, and can improve stress at definite elongation and the rebound resilience of sheath material, be used in conjunction with stearic acid and promoting agent zinc oxide, can significantly increase hardness and the physical strength of sheath material, use carbon black 330, weighting agent superfine talcum powder and weighting agent calcium carbonate are as reinforcing and filling system, can greatly improve the tensile strength of sheath material, tear strength and wear resisting property.In the present invention, described high-strength ageing-resistant power cable is good with the resistance to electrical insulation capability of sheath material, ageing-resistant performance excellence, and physical and mechanical properties is good, and preparation process is simple, and production cost is lower.
Embodiment
The high-strength ageing-resistant power cable sheath material of one that the present invention proposes, its raw material comprises by weight: chlorosulfonated polyethylene: 15-18 part, terpolymer EP rubber: 3-6 part, chlorinated butyl rubber: 3-6 part, ziram: 0.3-1 part, dibenzothiazyl disulfide: 0.3-0.7 part, promoting agent zinc oxide: 1-1.5 part, stearic acid: 1.5-2.5 part, nickel dibutyl dithiocarbamate: 0.6-1 part, clorafin: 0.3-0.7 part, surfactant polyoxyethylene glycol: 0.7-1.5 part, coumarone: 0.7-1.4 part, potassium platinichloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3.5 part, strengthening agent carbon black 330:3-6 part, weighting agent superfine talcum powder: 2.5-3.5 part, weighting agent calcium carbonate: 2.5-4 part.
The preparation method of above-mentioned cable jacket material comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 105-115 degree Celsius, and mixing time is 20-60 second;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 100-115 degree Celsius, and rolling the sheet time is 7-11 minute.
Embodiment 1
A kind of high-strength ageing-resistant power cable sheath material, its raw material comprises by weight: chlorosulfonated polyethylene: 15.2 parts, terpolymer EP rubber: 4.9 parts, chlorinated butyl rubber: 3.5 parts, ziram: 0.97 part, dibenzothiazyl disulfide: 0.32 part, promoting agent zinc oxide: 1.45 parts, stearic acid: 1.6 parts, nickel dibutyl dithiocarbamate: 0.91 part, clorafin: 0.33 part, surfactant polyoxyethylene glycol: 1.45 parts, coumarone: 0.77 part, potassium platinichloride: 1.92 parts, dioctyl phthalate (DOP): 2.55 parts, strengthening agent carbon black 330:5.8 part, weighting agent superfine talcum powder: 2.8 parts, weighting agent calcium carbonate: 3.9 parts.
The particle diameter of described weighting agent superfine talcum powder is 32 microns, and content of magnesia is 31.88%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
In the present embodiment, the preparation method of above-mentioned cable jacket material comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 105 degrees Celsius, and mixing time is 60 seconds;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 100 degrees Celsius, and rolling the sheet time is 11 minutes.
Embodiment 2
A kind of high-strength ageing-resistant power cable sheath material, its raw material comprises by weight: chlorosulfonated polyethylene: 17.4 parts, terpolymer EP rubber: 3.8 parts, chlorinated butyl rubber: 4.9 parts, ziram: 0.45 part, dibenzothiazyl disulfide: 0.55 part, promoting agent zinc oxide: 1.26 parts, stearic acid: 2.1 parts, nickel dibutyl dithiocarbamate: 0.8 part, clorafin: 0.55 part, surfactant polyoxyethylene glycol: 1.1 parts, coumarone: 1.1 parts, potassium platinichloride: 1.7 parts, dioctyl phthalate (DOP): 2.9 parts, strengthening agent carbon black 330:4.5 part, weighting agent superfine talcum powder: 3.1 parts, weighting agent calcium carbonate: 3.5 parts.
The particle diameter of described weighting agent superfine talcum powder is 25 microns, and content of magnesia is 31.88%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
In the present embodiment, the preparation method of above-mentioned cable jacket material comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber in Banbury mixer mixing 11 minutes, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate in Banbury mixer mixing 9 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 115 degrees Celsius, and mixing time is 20 seconds;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 115 degrees Celsius, and rolling the sheet time is 7 minutes.
Embodiment 3
A kind of high-strength ageing-resistant power cable sheath material, its raw material comprises by weight: chlorosulfonated polyethylene: 17.9 parts, terpolymer EP rubber: 3.2 parts, chlorinated butyl rubber: 5.8 parts, ziram: 0.34 part, dibenzothiazyl disulfide: 0.67 part, promoting agent zinc oxide: 1.1 parts, stearic acid: 2.45 parts, nickel dibutyl dithiocarbamate: 0.61 part, clorafin: 0.67 part, surfactant polyoxyethylene glycol: 0.78 part, coumarone: 1.4 parts, potassium platinichloride: 1.52 parts, dioctyl phthalate (DOP): 3.45 parts, strengthening agent carbon black 330:3.3 part, weighting agent superfine talcum powder: 3.4 parts, weighting agent calcium carbonate: 2.8 parts.
The particle diameter of described weighting agent superfine talcum powder is 37 microns, and content of magnesia is 31.88%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
In the present embodiment, the preparation method of above-mentioned cable jacket material comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber in Banbury mixer mixing 9 minutes, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate in Banbury mixer mixing 12 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 110 degrees Celsius, and mixing time is 50 seconds;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 105 degrees Celsius, and rolling the sheet time is 10 minutes.
Embodiment 4
A kind of high-strength ageing-resistant power cable sheath material, its raw material comprises by weight: chlorosulfonated polyethylene: 16.3 parts, terpolymer EP rubber: 4.5 parts, chlorinated butyl rubber: 4.3 parts, ziram: 0.6 part, dibenzothiazyl disulfide: 0.45 part, promoting agent zinc oxide: 1.25 parts, stearic acid: 2.1 parts, nickel dibutyl dithiocarbamate: 0.8 part, clorafin: 0.55 part, surfactant polyoxyethylene glycol: 1.25 parts, coumarone: 1.1 parts, potassium platinichloride: 1.85 parts, dioctyl phthalate (DOP): 3.2 parts, strengthening agent carbon black 330:4.5 part, weighting agent superfine talcum powder: 3.1 parts, weighting agent calcium carbonate: 3.2 parts.
The particle diameter of described weighting agent superfine talcum powder is 39 microns, and content of magnesia is 31.88%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
In the present embodiment, the preparation method of above-mentioned cable jacket material comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber in Banbury mixer mixing 10 minutes, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate in Banbury mixer mixing 11 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 110 degrees Celsius, and mixing time is 40 seconds;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 110 degrees Celsius, and rolling the sheet time is 8 minutes.
In the above-described embodiments, by adding chlorosulfonated polyethylene also and terpolymer EP rubber, chlorinated butyl rubber mixes use, can significantly strengthen the physical and mechanical properties of sheath material, ageing-resistant performance and resistance to electrical insulation capability, use ziram and dibenzothiazyl disulfide to share and there is higher sulfurate activity, dibenzothiazyl disulfide has activation to terpolymer EP rubber, and can improve stress at definite elongation and the rebound resilience of sheath material, be used in conjunction with stearic acid and promoting agent zinc oxide, can significantly increase hardness and the physical strength of sheath material, use carbon black 330, weighting agent superfine talcum powder and weighting agent calcium carbonate are as reinforcing and filling system, can greatly improve the tensile strength of sheath material, tear strength and wear resisting property.In the present invention, described high-strength ageing-resistant power cable is good with the resistance to electrical insulation capability of sheath material, ageing-resistant performance excellence, and physical and mechanical properties is good, and preparation process is simple, and production cost is lower.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a high-strength ageing-resistant power cable sheath material, it is characterized in that, its raw material comprises by weight: chlorosulfonated polyethylene: 15-18 part, terpolymer EP rubber: 3-6 part, chlorinated butyl rubber: 3-6 part, ziram: 0.3-1 part, dibenzothiazyl disulfide: 0.3-0.7 part, promoting agent zinc oxide: 1-1.5 part, stearic acid: 1.5-2.5 part, nickel dibutyl dithiocarbamate: 0.6-1 part, clorafin: 0.3-0.7 part, surfactant polyoxyethylene glycol: 0.7-1.5 part, coumarone: 0.7-1.4 part, potassium platinichloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3.5 part, strengthening agent carbon black 330:3-6 part, weighting agent superfine talcum powder: 2.5-3.5 part, weighting agent calcium carbonate: 2.5-4 part.
2. high-strength ageing-resistant power cable sheath material according to claim 1, is characterized in that terpolymer EP rubber: the weight ratio of chlorinated butyl rubber is 1:1.
3. high-strength ageing-resistant power cable sheath material according to claim 1, is characterized in that ziram: promoting agent zinc oxide: stearic weight ratio is 1:(2-3): (3-5).
4. high-strength ageing-resistant power cable sheath material according to claim 1, it is characterized in that, the particle diameter of described weighting agent superfine talcum powder is 24-40 micron, and content of magnesia is 31.88%, the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
5. according to the high-strength ageing-resistant power cable sheath material described in any one in claim 1-4, it is characterized in that, its raw material comprises by weight: chlorosulfonated polyethylene: 16-17 part, terpolymer EP rubber: 4-5 part, chlorinated butyl rubber: 4-5 part, ziram: 0.5-0.7 part, dibenzothiazyl disulfide: 0.4-0.6 part, promoting agent zinc oxide: 1.2-1.4 part, stearic acid: 2-2.3 part, nickel dibutyl dithiocarbamate: 0.7-0.9 part, clorafin: 0.5-0.6 part, surfactant polyoxyethylene glycol: 1-1.3 part, coumarone: 1-1.2 part, potassium platinichloride: 1.7-2 part, dioctyl phthalate (DOP): 3-3.4 part, strengthening agent carbon black 330:4-5 part, weighting agent superfine talcum powder: 2.8-3.2 part, weighting agent calcium carbonate: 2.8-3.5 part.
6. the preparation method with sheath material according to the high-strength ageing-resistant power cable described in any one in claim 1-5, is characterized in that, comprises the steps:
S1, take chlorosulfonated polyethylene, terpolymer EP rubber, chlorinated butyl rubber, ziram, dibenzothiazyl disulfide, promoting agent zinc oxide, stearic acid, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate by proportioning;
S2, by the chlorosulfonated polyethylene in S1, terpolymer EP rubber and chlorinated butyl rubber mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, stearic acid, clorafin, surfactant polyoxyethylene glycol, potassium platinichloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder and weighting agent calcium carbonate mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, dibenzothiazyl disulfide and ziram to carry out mixing, melting temperature is 105-115 degree Celsius, and mixing time is 20-60 second;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain high-strength ageing-resistant power cable sheath material, and wherein mill temperature is 100-115 degree Celsius, and rolling the sheet time is 7-11 minute.
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| CN104231457A (en) * | 2014-09-22 | 2014-12-24 | 安徽电气集团股份有限公司 | Wear-resisting tear-resistant rubber material |
| CN105037933A (en) * | 2015-07-13 | 2015-11-11 | 金宝丽科技（苏州）有限公司 | Low-temperature-impact-resistant polypropylene material and preparation method therefor |
| CN105330981A (en) * | 2015-07-26 | 2016-02-17 | 国网山东省电力公司临沂供电公司 | Mildew-resistant rubber sheath for cables |
| CN105330980A (en) * | 2015-07-15 | 2016-02-17 | 国网山东省电力公司临沂供电公司 | Novel pressure-resistant cable |
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