CN103788518A - Electric insulated cable jacket material and preparation method thereof - Google Patents
Electric insulated cable jacket material and preparation method thereof Download PDFInfo
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- CN103788518A CN103788518A CN201410027452.9A CN201410027452A CN103788518A CN 103788518 A CN103788518 A CN 103788518A CN 201410027452 A CN201410027452 A CN 201410027452A CN 103788518 A CN103788518 A CN 103788518A
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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
- C08L23/26—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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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
Abstract
The invention discloses an electric insulated cable jacket material which is prepared from the following raw materials in parts by weight: 14-18 parts of chlorosulfonated polyethylene, 3-7 parts of chlorinated polyethylene, 0.4-0.9 parts of dithiocarbamic acid, 0.3-0.8 parts of zinc diethyl dithiocarbamaate, 0.5-0.6 parts of dibenzothiazyl disulfide, 0.8-1.2 parts of magnesium oxide, 3-4 parts of yellow lead masterbatch, 0.4-0.7 parts of nickel dibutyl dithiocarbamate, 0.8-1.1 parts of chlorinated paraffin, 0.4-0.9 parts of polyethylene glycol, 0.7-0.9 parts of coumarone, 1.5-2 parts of ammonium chloride, 2.5-3 parts of dioctyl phthalate, 5-7 parts of carbon black, 2-3 parts of superfine talcum powder and 2-3 parts of calcium carbonate. The invention further discloses a preparation method of the electric insulated cable jacket material. The electric insulated cable jacket material is high in tensile strength, good in tear strength and wear 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 cable sheath material of resistance to electrical isolation and preparation method thereof.
Background technology
In recent decades, elastomeric material and goods thereof obtain flourish, and it replaces just rapidly the natural polymers such as steel, metal, cement and timber, cotton to be widely used in each department of the national economy such as industry, agricultural, military affairs.As the rubber of cable outer layer sheath material, due to pullling between the friction often and between other objects and cable inside, cause that rubber surface is destroyed even loses original performance, and require cable sheath to there is extremely strong electrical insulating property at some special occasions, how to prepare a kind of resistance to electrical insulation capability good, tensile strength is high, and excellent cable sheath material of resistance to electrical isolation of physical and mechanical properties and preparation method thereof becomes the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of cable sheath material of resistance to electrical isolation and preparation method thereof, the resistance to electrical insulation capability of the cable sheath material of resistance to electrical isolation is good described in described sheath material, and tensile strength is high, physical and mechanical properties excellence, and preparation process is simple, and production cost is lower.
The one cable sheath material of resistance to electrical isolation that the present invention proposes, its raw material comprises by weight: chlorosulfonated polyethylene: 14-18 part, chlorinatedpolyethylene: 3-7 part, nabam: 0.4-0.9 part, zinc diethyldithiocarbamate: 0.3-0.8 part, dibenzothiazyl disulfide: 0.5-0.6 part, promoting agent magnesium oxide: 0.8-1.2 part, tinting material yellow lead rubber master batch: 3-4 part, nickel dibutyl dithiocarbamate: 0.4-0.7 part, clorafin: 0.8-1.1 part, surfactant polyoxyethylene glycol: 0.4-0.9 part, coumarone: 0.7-0.9 part, ammonium chloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3 part, strengthening agent carbon black 330:5-7 part, weighting agent superfine talcum powder: 2-3 part, weighting agent calcium carbonate: 2-3 part.
In embodiment, the weight part of chlorosulfonated polyethylene can be 14, 14.3, 14.7, 15, 16, 17, 17.5, 17.8, the weight part of chlorinatedpolyethylene can be 3.2, 4.8, 5, 5.5, 6, 6.7, the weight part of nabam can be 0.44, 0.5, 0.51, 0.6, 0.7, 0.78, 0.79, the weight part of zinc diethyldithiocarbamate can be 0.32, 0.38, 0.5, 0.55, 0.6, 0.68, 0.75, the weight part of dibenzothiazyl disulfide can be 0.51, 0.52, 0.53, 0.55, 0.57, 0.58, 0.59, the magnesian weight part of promoting agent can be 0.82, 0.9, 1, 1.1, 1.2, the weight part of tinting material yellow lead rubber master batch can be 3.1, 3.2, 3.5, 3.6, 3.8, 3.9, the weight part of nickel dibutyl dithiocarbamate can be 0.42, 0.48, 0.5, 0.55, 0.6, 0.67, the weight part of clorafin can be 0.82, 0.88, 0.9, 1, 1.01, 1.05, the weight part of surfactant polyoxyethylene glycol can be 0.45, 0.47, 0.5, 0.6, 0.7, 0.8, 0.89, the weight part of coumarone can be 0.72, 0.77, 0.8, 0.82, 0.89, the weight part of ammonium chloride can be 1.53, 1.58, 1.6, 1.8, 1.85, 1.9, 1.92, the weight part of dioctyl phthalate (DOP) can be 2.55, 2.6, 2.67, 2.8, 2.84, 2.89, 2.9, 2.93, the weight part of strengthening agent carbon black 330 can be 5.1, 5.2, 5.8, 6, 6.3, 6.8, the weight part of weighting agent superfine talcum powder can be 2.1, 2.3, 2.5, 2.6, 2.8, 2.9, the weight part of weighting agent calcium carbonate can be 2.3, 2.5, 2.6, 2.8, 2.9.
Preferably, nabam: the weight ratio of zinc diethyldithiocarbamate is (2-4): (2-3).
Preferably, the weight ratio of chlorinatedpolyethylene and nabam is 10:(1-2).
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: 14-18 part, chlorinatedpolyethylene: 4 parts, nabam: 0.4-0.8 part, zinc diethyldithiocarbamate: 0.4-0.6 part, dibenzothiazyl disulfide: 0.5-0.6 part, promoting agent magnesium oxide: 0.8-1.2 part, tinting material yellow lead rubber master batch: 3-4 part, nickel dibutyl dithiocarbamate: 0.4-0.7 part, clorafin: 0.8-1.1 part, surfactant polyoxyethylene glycol: 0.4-0.9 part, coumarone: 0.7-0.9 part, ammonium chloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3 part, strengthening agent carbon black 330:5-7 part, weighting agent superfine talcum powder: 2-3 part, weighting agent calcium carbonate: 2-3 part.
The invention also discloses a kind ofly according to the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprise the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, 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 and mixing use with chlorinatedpolyethylene, can significantly strengthen the physical and mechanical properties of sheath material, ageing-resistant performance and resistance to electrical insulation capability, nabam and dibenzothiazyl disulfide share has higher sulfurate activity, be used in conjunction with promoting agent zinc oxide, can significantly increase hardness and the physical strength of sheath material, nabam and zinc diethyldithiocarbamate share, can improve vulcanization rate, and cable sheath aging resistance is good, use nabam as primary accelerator, there is longer time of scorch, and pollution-free, 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, the resistance to electrical insulation capability of the described cable sheath material of resistance to electrical isolation is good, and tensile strength is high, physical and mechanical properties excellence, and preparation process is simple, and production cost is lower.
Embodiment
The one cable sheath material of resistance to electrical isolation that the present invention proposes, its raw material comprises by weight: chlorosulfonated polyethylene: 14-18 part, chlorinatedpolyethylene: 3-7 part, nabam: 0.4-0.9 part, zinc diethyldithiocarbamate: 0.3-0.8 part, dibenzothiazyl disulfide: 0.5-0.6 part, promoting agent magnesium oxide: 0.8-1.2 part, tinting material yellow lead rubber master batch: 3-4 part, nickel dibutyl dithiocarbamate: 0.4-0.7 part, clorafin: 0.8-1.1 part, surfactant polyoxyethylene glycol: 0.4-0.9 part, coumarone: 0.7-0.9 part, ammonium chloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3 part, strengthening agent carbon black 330:5-7 part, weighting agent superfine talcum powder: 2-3 part, weighting agent calcium carbonate: 2-3 part.
The invention also discloses a kind ofly according to the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprise the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 100-115 degree Celsius, and rolling the sheet time is 7-11 minute.
Embodiment 1
A kind of cable sheath material of resistance to electrical isolation, its raw material comprises by weight: chlorosulfonated polyethylene: 14.3 parts, chlorinatedpolyethylene: 6.7 parts, nabam: 0.51 part, zinc diethyldithiocarbamate: 0.68 part, dibenzothiazyl disulfide: 0.52 part, promoting agent magnesium oxide: 1.2 parts, tinting material yellow lead rubber master batch: 3.2 parts, nickel dibutyl dithiocarbamate: 0.67 part, clorafin: 0.82 part, surfactant polyoxyethylene glycol: 0.89 part, coumarone: 0.77 part, ammonium chloride: 1.92 parts, dioctyl phthalate (DOP): 2.67 parts, strengthening agent carbon black 330:6.3 part, weighting agent superfine talcum powder: 2.3 parts, weighting agent calcium carbonate: 2.8 parts.
In the present embodiment, the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprises the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene in Banbury mixer mixing 11 minutes, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch in Banbury mixer mixing 9 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 115 degrees Celsius, and rolling the sheet time is 7 minutes.
Embodiment 2
A kind of cable sheath material of resistance to electrical isolation, its raw material comprises by weight: chlorosulfonated polyethylene: 15 parts, chlorinatedpolyethylene: 5.5 parts, nabam: 0.7 part, zinc diethyldithiocarbamate: 0.55 part, dibenzothiazyl disulfide: 0.55 part, promoting agent magnesium oxide: 1.1 parts, tinting material yellow lead rubber master batch: 3.5 parts, nickel dibutyl dithiocarbamate: 0.55 part, clorafin: 1.01 parts, surfactant polyoxyethylene glycol: 0.6 part, coumarone: 0.82 part, ammonium chloride: 1.85 parts, dioctyl phthalate (DOP): 2.84 parts, strengthening agent carbon black 330:5.8 part, weighting agent superfine talcum powder: 2.6 parts, weighting agent calcium carbonate: 2.6 parts.
In the present embodiment, the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprises the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene in Banbury mixer mixing 8 minutes, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch mixing in Banbury mixer-13 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 100 degrees Celsius, and rolling the sheet time is 11 minutes.
Embodiment 3
A kind of cable sheath material of resistance to electrical isolation, its raw material comprises by weight: chlorosulfonated polyethylene: 17.8 parts, chlorinatedpolyethylene: 4.8 parts, nabam: 0.79 part, zinc diethyldithiocarbamate: 0.38 part, dibenzothiazyl disulfide: 0.58 part, promoting agent magnesium oxide: 0.82 part, tinting material yellow lead rubber master batch: 3.9 parts, nickel dibutyl dithiocarbamate: 0.48 part, clorafin: 1.05 parts, surfactant polyoxyethylene glycol: 0.45 part, coumarone: 0.89 part, ammonium chloride: 1.53 parts, dioctyl phthalate (DOP): 2.9 parts, strengthening agent carbon black 330:5.2 part, weighting agent superfine talcum powder: 2.9 parts, weighting agent calcium carbonate: 2.5 parts.
In the present embodiment, the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprises the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene in Banbury mixer mixing 10 minutes, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch in Banbury mixer mixing 12 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 110 degrees Celsius, and rolling the sheet time is 8 minutes.
Embodiment 4
A kind of cable sheath material of resistance to electrical isolation, its raw material comprises by weight: chlorosulfonated polyethylene: 17 parts, chlorinatedpolyethylene: 4 parts, nabam: 0.7 part, zinc diethyldithiocarbamate: 0.58 part, dibenzothiazyl disulfide: 0.55 part, promoting agent magnesium oxide: 1.1 parts, tinting material yellow lead rubber master batch: 3.4 parts, nickel dibutyl dithiocarbamate: 0.6 part, clorafin: 1 part, surfactant polyoxyethylene glycol: 0.8 part, coumarone: 0.8 part, ammonium chloride: 1.8 parts, dioctyl phthalate (DOP): 2.8 parts, strengthening agent carbon black 330:6 part, weighting agent superfine talcum powder: 2.4 parts, weighting agent calcium carbonate: 2.6 parts.
In the present embodiment, the preparation method of the above-mentioned cable sheath material of resistance to electrical isolation, comprises the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene in Banbury mixer mixing 9 minutes, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch in Banbury mixer mixing 12 minutes;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam to carry out mixing, melting temperature is 110 degrees Celsius, and mixing time is 30 seconds;
S4, material prepared by S3 are sent into and in mill, are rolled sheet heat radiation and obtain the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 112 degrees Celsius, and rolling the sheet time is 8 minutes.
The high-performance cable sheath material of resistance to electrical isolation described in above-described embodiment 1-4 is carried out to performance test, wherein, the aging condition of aging rear tensile strength: toast 168h in baking oven, oven temperature is 120 ± 2 degrees Celsius; Elongation at break after aging refers to aging front minimum percent; After immersion oil, tensile strength refers to the minimum percent before immersion oil, and immersion oil aging condition is: the immersion oil time is 24h, and immersion oil temperature is 120 ± 2 degrees Celsius; Heat is extended in test, and treatment temp is 200 ± 3 degrees Celsius, and the treatment time is 15min, and mechanical stress is 20N/cm2; Test result is as follows:
In the above-described embodiments, by adding chlorosulfonated polyethylene and mixing use with chlorinatedpolyethylene, can significantly strengthen the physical and mechanical properties of sheath material, ageing-resistant performance and resistance to electrical insulation capability, nabam and dibenzothiazyl disulfide share has higher sulfurate activity, be used in conjunction with promoting agent zinc oxide, can significantly increase hardness and the physical strength of sheath material, nabam and zinc diethyldithiocarbamate share, can improve vulcanization rate, and cable sheath aging resistance is good, use nabam as primary accelerator, there is longer time of scorch, and pollution-free, 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, the resistance to electrical insulation capability of the described cable sheath material of resistance to electrical isolation is good, and tensile strength is high, physical and mechanical properties excellence, 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. the cable sheath material of resistance to electrical isolation, it is characterized in that, its raw material comprises by weight: chlorosulfonated polyethylene: 14-18 part, chlorinatedpolyethylene: 3-7 part, nabam: 0.4-0.9 part, zinc diethyldithiocarbamate: 0.3-0.8 part, dibenzothiazyl disulfide: 0.5-0.6 part, promoting agent magnesium oxide: 0.8-1.2 part, tinting material yellow lead rubber master batch: 3-4 part, nickel dibutyl dithiocarbamate: 0.4-0.7 part, clorafin: 0.8-1.1 part, surfactant polyoxyethylene glycol: 0.4-0.9 part, coumarone: 0.7-0.9 part, ammonium chloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3 part, strengthening agent carbon black 330:5-7 part, weighting agent superfine talcum powder: 2-3 part, weighting agent calcium carbonate: 2-3 part.
2. the cable sheath material of resistance to electrical isolation according to claim 1, is characterized in that, nabam: the weight ratio of zinc diethyldithiocarbamate is (2-4): (2-3).
3. the cable sheath material of resistance to electrical isolation according to claim 1, is characterized in that, the weight ratio of chlorinatedpolyethylene and nabam is 10:(1-2).
4. the cable sheath material of resistance to electrical isolation according to claim 1, 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%, and the content of silicon-dioxide can be 63.37%, and the content of water is 4.75%.
5. the cable sheath material of resistance to electrical isolation according to claim 1, it is characterized in that, its raw material comprises by weight: chlorosulfonated polyethylene: 14-18 part, chlorinatedpolyethylene: 4 parts, nabam: 0.4-0.8 part, zinc diethyldithiocarbamate: 0.4-0.6 part, dibenzothiazyl disulfide: 0.5-0.6 part, promoting agent magnesium oxide: 0.8-1.2 part, tinting material yellow lead rubber master batch: 3-4 part, nickel dibutyl dithiocarbamate: 0.4-0.7 part, clorafin: 0.8-1.1 part, surfactant polyoxyethylene glycol: 0.4-0.9 part, coumarone: 0.7-0.9 part, ammonium chloride: 1.5-2 part, dioctyl phthalate (DOP): 2.5-3 part, strengthening agent carbon black 330:5-7 part, weighting agent superfine talcum powder: 2-3 part, weighting agent calcium carbonate: 2-3 part.
6. according to an its preparation method for the cable sheath material of resistance to electrical isolation described in any one in claim 1-5, it is characterized in that, comprise the steps:
S1, take chlorosulfonated polyethylene, chlorinatedpolyethylene, nabam, zinc diethyldithiocarbamate, dibenzothiazyl disulfide, promoting agent zinc oxide, tinting material yellow lead rubber master batch, nickel dibutyl dithiocarbamate, clorafin, surfactant polyoxyethylene glycol, coumarone, ammonium chloride, 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, chlorinatedpolyethylene mixing 8-11 minute in Banbury mixer, then add promoting agent zinc oxide, coumarone, clorafin, surfactant polyoxyethylene glycol, ammonium chloride, dioctyl phthalate (DOP), strengthening agent carbon black, weighting agent superfine talcum powder, weighting agent calcium carbonate and tinting material yellow lead rubber master batch mixing 9-13 minute in Banbury mixer;
In S3, material that S2 is obtained, add nickel dibutyl dithiocarbamate, zinc diethyldithiocarbamate, dibenzothiazyl disulfide and nabam 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 the cable sheath material of resistance to electrical isolation, and wherein mill temperature is 100-115 degree Celsius, and rolling the sheet time is 7-11 minute.
Priority Applications (1)
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| CN201410027452.9A CN103788518A (en) | 2014-01-21 | 2014-01-21 | Electric insulated cable jacket material and preparation method thereof |
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| CN201410027452.9A CN103788518A (en) | 2014-01-21 | 2014-01-21 | Electric insulated cable jacket material and preparation method thereof |
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| CN102103899A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | High-performance cable for field logging and manufacturing method thereof |
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| CN102347106A (en) * | 2011-06-28 | 2012-02-08 | 江苏远洋东泽电缆股份有限公司 | Power cable for underwater shovel arm of dredger and manufacturing method thereof |
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| CN102103899A (en) * | 2010-12-24 | 2011-06-22 | 江苏远洋东泽电缆股份有限公司 | High-performance cable for field logging and manufacturing method thereof |
| CN102344616A (en) * | 2011-06-28 | 2012-02-08 | 江苏远洋东泽电缆股份有限公司 | Power cable sheath material for dredger underwater shovel arm, and production method thereof |
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