CN102993518A - Stretch-proof cable sheath insulation material and preparation method thereof - Google Patents
Stretch-proof cable sheath insulation material and preparation method thereof Download PDFInfo
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- CN102993518A CN102993518A CN 201210452327 CN201210452327A CN102993518A CN 102993518 A CN102993518 A CN 102993518A CN 201210452327 CN201210452327 CN 201210452327 CN 201210452327 A CN201210452327 A CN 201210452327A CN 102993518 A CN102993518 A CN 102993518A
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Abstract
The invention discloses a stretch-proof cable sheath insulation material and a preparation method thereof. The stretch-proof cable sheath insulation material comprises the following raw materials in parts by weight: 90-100 parts of neoprene CR121, 18-20 parts of chlorinated polyethylene, 15-25 parts of semi-reinforcing carbon black N774, 2-3 parts of magnesium oxide, 1-2 parts of ferrocene, 30-35 parts of mica powder, MB1-2 of antiager MB, 1-2 parts of 2-thiol group benzimidazole, 5-8 parts of dioctyl maleate, 1-2 parts of promoter DM1, 0.8-1 part of dibasic lead phosphate, 12 to 18 parts of nanometer silicon dioxide, 1-3 parts of 4, 4'- oxylbisbenzenesulfonyl hydrazide, 2-4 parts of antioxidant DSTP, 4-6 parts of glass powder, 0.8-1 part of zinc oxide, 2-3 parts of modified calcium carbonate, 5-6 parts of antimony oxide and 4-6 parts of ethylene thiourea. The stretch-proof cable sheath insulation material prepared by the method has the advantages of excellent physical properties, stable size, low percentage of contraction and greatly increased tensile strength, tearing strength resistance and resilience force performance.
Description
Technical field
The present invention relates generally to a kind of rubber sleeve material and preparation method thereof, relates in particular to a kind of stretch-proof cable sheath insulating material and preparation method thereof.
Background technology
At present, domestic material of main part as cable sheath commonly used has chloroprene rubber, chlorosulfonated polyethylene sizing material etc., and different its performances of the constituent of every kind of material are also different.The chlorinatedpolyethylene sizing material is a kind of saturated chloride rubber, and part keeps poly character, and elasticity and thermostability descend, and material becomes semi-rigid material, follows the string.Along with reductions such as the consistency of its softening agent of increase of cl content, resistance to low temperature, incompressible tension set performance, heat aging performances, water tolerance is relatively poor, and material itself is harder when temperature is relatively lower, elasticity is low, fragility is large, impart tear is low.Because computer requires it under any circumstance all to have every good performance with cable sheath material, so since structures shape own chlorinatedpolyethylene be not suitable for and do the computer cable sheath material, and the chloroprene rubber good flame resistance, better mechanical property under the normal temperature adds suitable auxiliary agent and just can obtain good effect.
Summary of the invention
The object of the invention is exactly in order to remedy the defective of prior art, a kind of stretch-proof cable sheath insulating material to be provided.
The present invention is achieved by the following technical solutions:
A kind of stretch-proof cable sheath insulating material is characterized in that:
Chloroprene rubber CR121 90-100, chlorinatedpolyethylene 18-20, semi-reinforcing hydrocarbon black N774 15-25, magnesium oxide 2-3, ferrocene 1-2, mica powder 30-35, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, dioctyl maleate 5-8, altax 1-2, dibasic lead phosphite 0.8-1, nano silicon 12-18,4,4 '-OBSH 1-3, oxidation inhibitor DSTP2-4, glass powder 4-6, zinc oxide 0.8-1, modified calcium carbonate 2-3, antimonous oxide 5-6, ethylene thiourea 4-6;
The preparation method of described modified calcium carbonate is: be 1 with unslaked lime in mass ratio with boiling water: the ratio of 8-10 is mixed, digestion 4-5h, and the resonance screen filter cleaner through 180 μ m further removes the gred through wet cyclone again, obtains Ca (OH)
2Suspension is at Ca (OH)
2The sequestrant b diammonium edta, the magnesium chloride of its quality 8-12%, the tensio-active agent tripoly phosphate sodium STPP of its quality 3-5% and the dodecyl benzyl dimethyl ammonium chloride of 0.8-1% that add its quality 5-8% in the suspension, stir in the rear immigration carbonization reactor, pass into from CO
2The pure CO of steel cylinder
2With the air from air compressor machine, be mixed into and contain volume fraction 25-30%CO
2Gas react, stopped reaction when pH=6.5-7.0, with reaction mass through centrifugal, washing, dry, pulverize, cross the 150-180 mesh sieve, get modified calcium carbonate.
A kind of preparation method of stretch-proof cable sheath insulating material may further comprise the steps:
(1) the chloroprene rubber CR121 with above-mentioned weight part adds in the Banbury mixer, is to plasticate separately under 75-80 ℃ 8-10 minute in temperature, and then discharging is cooled to normal temperature;
(2) chloroprene rubber behind the plastics is mixed the adding Banbury mixer with chlorinatedpolyethylene, ferrocene, antioxidant MB, 2-thiol group benzimidazolyl 1-2, dioctyl maleate, altax, the dibasic lead phosphite of above-mentioned weight part, be 85-90 ℃ in temperature and descended mixing 2-3 minute;
(3) add semi-reinforcing hydrocarbon black N774, mica powder, the nano silicon, 4 of above-mentioned weight part, 4 '-OBSH, oxidation inhibitor DSTP, glass powder, modified calcium carbonate are under 85-90 ℃ in temperature, mixing 4-6 minute again;
(4) add again antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, temperature be 55-60 ℃ lower mixing 2-3 minute, the discharging cooling namely gets described stretch-proof cable sheath insulating material.
Advantage of the present invention is:
The stretch-proof cable sheath insulating material physicals that the present invention produces is excellent, dimensional stabilizing, shrinking percentage is low, product draws degree of promoting the strong, tearing toughness, screen resilience performance all greatly to improve, by rational collocation composition of raw materials, so that the insulating material compactness of producing is good, anti-outlet capacity is strong, mechanical property is superior, and oil resistant, ageing-resistant, corrosion-resistant, wear-resistant.
Embodiment
Embodiment 1
A kind of stretch-proof cable sheath insulating material, it is comprised of following weight parts (kilogram) raw material:
Chloroprene rubber CR121105, chlorinatedpolyethylene 12, semi-reinforcing hydrocarbon black N774 15-25, zinc oxide 3, ferrocene 2, mica powder 35, antioxidant MB 2,2-thiol group benzimidazolyl 2, dioctyl maleate 8, altax 2, dibasic lead phosphite 1, nano silicon 15,4,4 '-OBSH 3, oxidation inhibitor DSTP4, glass powder 4-6, zinc oxide 0.8, modified calcium carbonate 3, antimonous oxide 6, ethylene thiourea 6;
The preparation method of described modified calcium carbonate is: be that 1: 10 ratio is mixed in mass ratio with unslaked lime and boiling water, and digestion 5h, the resonance screen filter cleaner through 180 μ m further removes the gred through wet cyclone again, obtains Ca (OH)
2Suspension is at Ca (OH)
2The sequestrant b diammonium edta, the magnesium chloride of its quality 12%, the tensio-active agent tripoly phosphate sodium STPP of its quality 5% and 0.8% the dodecyl benzyl dimethyl ammonium chloride that add its quality 8% in the suspension, stir in the rear immigration carbonization reactor, pass into from CO
2The pure CO of steel cylinder
2With the air from air compressor machine, be mixed into and contain volume fraction 30%CO
2Gas react, stopped reaction when pH=7.0, with reaction mass through centrifugal, washing, dry, pulverize, cross 180 mesh sieves, get modified calcium carbonate.
The preparation method of the CABLE MATERIALS that a kind of used for wind power generation is low temperature resistant may further comprise the steps:
(1) the chloroprene rubber CR121 with above-mentioned weight part adds in the Banbury mixer, is to plasticate separately under 80 ℃ 8 minutes in temperature, and then discharging is cooled to normal temperature;
(2) chloroprene rubber behind the plastics is mixed the adding Banbury mixer with chlorinatedpolyethylene, ferrocene, antioxidant MB, 2-thiol group benzimidazolyl 1-2, dioctyl maleate, altax, the dibasic lead phosphite of above-mentioned weight part, be 90 ℃ in temperature and descended mixing 3 minutes;
(3) add semi-reinforcing hydrocarbon black N774, mica powder, the nano silicon, 4 of above-mentioned weight part, 4 '-OBSH, oxidation inhibitor DSTP, glass powder, modified calcium carbonate are under 90 ℃ in temperature, mixing 6 minutes again;
(4) add again antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, temperature be 60 ℃ lower mixing 3 minutes, the discharging cooling namely gets described stretch-proof cable sheath insulating material.
Technical indicator:
Claims (2)
1. stretch-proof cable sheath insulating material is characterized in that it is comprised of the raw material of following weight parts:
Chloroprene rubber CR121 90-100, chlorinatedpolyethylene 18-20, semi-reinforcing hydrocarbon black N774 15-25, magnesium oxide 2-3, ferrocene 1-2, mica powder 30-35, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, dioctyl maleate 5-8, altax 1-2, dibasic lead phosphite 0.8-1, nano silicon 12-18,4,4 '-OBSH 1-3, oxidation inhibitor DSTP2-4, glass powder 4-6, zinc oxide 0.8-1, modified calcium carbonate 2-3, antimonous oxide 5-6, ethylene thiourea 4-6;
The preparation method of described modified calcium carbonate is: be 1 with unslaked lime in mass ratio with boiling water: the ratio of 8-10 is mixed, digestion 4-5h, and the resonance screen filter cleaner through 180 μ m further removes the gred through wet cyclone again, obtains Ca (OH)
2Suspension is at Ca (OH)
2The sequestrant b diammonium edta, the magnesium chloride of its quality 8-12%, the tensio-active agent tripoly phosphate sodium STPP of its quality 3-5% and the dodecyl benzyl dimethyl ammonium chloride of 0.8-1% that add its quality 5-8% in the suspension, stir in the rear immigration carbonization reactor, pass into from CO
2The pure CO of steel cylinder
2With the air from air compressor machine, be mixed into and contain volume fraction 25-30%CO
2Gas react, stopped reaction when pH=6.5-7.0, with reaction mass through centrifugal, washing, dry, pulverize, cross the 150-180 mesh sieve, get modified calcium carbonate.
2. the preparation method of a stretch-proof cable sheath insulating material as claimed in claim 1 is characterized in that may further comprise the steps:
(1) the chloroprene rubber CR121 with above-mentioned weight part adds in the Banbury mixer, is to plasticate separately under 75-80 ℃ 8-10 minute in temperature, and then discharging is cooled to normal temperature;
(2) chloroprene rubber behind the plastics is mixed the adding Banbury mixer with chlorinatedpolyethylene, ferrocene, antioxidant MB, 2-thiol group benzimidazolyl 1-2, dioctyl maleate, altax, the dibasic lead phosphite of above-mentioned weight part, be 85-90 ℃ in temperature and descended mixing 2-3 minute;
(3) add semi-reinforcing hydrocarbon black N774, mica powder, the nano silicon, 4 of above-mentioned weight part, 4 '-OBSH, oxidation inhibitor DSTP, glass powder, modified calcium carbonate are under 85-90 ℃ in temperature, mixing 4-6 minute again;
(4) add again antimonous oxide, ethylene thiourea, magnesium oxide, the zinc oxide of above-mentioned weight part, temperature be 55-60 ℃ lower mixing 2-3 minute, the discharging cooling namely gets described stretch-proof cable sheath insulating material.
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| CN 201210452327 CN102993518A (en) | 2012-11-13 | 2012-11-13 | Stretch-proof cable sheath insulation material and preparation method thereof |
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| CN103360651A (en) * | 2013-06-21 | 2013-10-23 | 安徽荣玖光纤通信科技有限公司 | Tensile cable sheath material and preparation method thereof |
| CN103539992A (en) * | 2013-09-30 | 2014-01-29 | 安徽明都电力线缆有限公司 | Chloroprene rubber cable sheathing compound and preparation method thereof |
| CN103540073A (en) * | 2013-10-25 | 2014-01-29 | 安徽文峰电子科技集团有限公司 | Modified heatproof anti-oxidation natural rubber cable material |
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| CN104795149A (en) * | 2014-05-28 | 2015-07-22 | 安徽天星光纤通信设备有限公司 | High-performance communication cable for coal mine wells |
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| CN105949544A (en) * | 2016-05-09 | 2016-09-21 | 郭秀珍 | Transformer sealing ring with high wear resistance for electrical use |
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| CN103540073A (en) * | 2013-10-25 | 2014-01-29 | 安徽文峰电子科技集团有限公司 | Modified heatproof anti-oxidation natural rubber cable material |
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Application publication date: 20130327 |