CN103012885A - Flame-retardant type cable sheath insulation material and preparation method thereof - Google Patents
Flame-retardant type cable sheath insulation material and preparation method thereof Download PDFInfo
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- CN103012885A CN103012885A CN2012104551076A CN201210455107A CN103012885A CN 103012885 A CN103012885 A CN 103012885A CN 2012104551076 A CN2012104551076 A CN 2012104551076A CN 201210455107 A CN201210455107 A CN 201210455107A CN 103012885 A CN103012885 A CN 103012885A
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Abstract
The invention discloses a flame-retardant type cable sheath insulation material and a preparation method thereof. The flame-retardant type cable sheath insulation material comprises the following raw materials in parts by weight: 94-102 parts of neoprene CR121, 16-21 parts of chlorinated polyethylene, 16-22 parts of semi-reinforcing carbon black N774, 2-4 parts of magnesium oxide, 1-2 parts of glass powder, 32-36 parts of mica powder, 1-2 parts of anti-aging agents MB, 1-2 parts of 2-thiol-group benzimidazole, 5-7 parts of polyamide wax micropowder, 1-2 parts of accelerants DM, 0.8-1 part of accelerants TMTD, 18-23 parts of kaolin, 1-3 parts of adipic acid propanediol polyester, 2-4 parts of zinc borate, 4-6 parts of talcum powder, 0.8-1 part of zinc oxide, 2-3 parts of modified calcium carbonate, 5-6 parts of antimony trioxide, 4-6 parts of ethylene thiourea, 4-6 parts of ethylene bis stearamide, 0.7-0.9 part of di-n-octyltin bis(isooctyl thioglycollate) and 0.5-0.8 part of bis(P,P-bis-ethylhexyl diphosphato) ethanediolato titanate. The flame-retardant type cable sheath insulation material disclosed by the invention has characteristics superior to those of common rubber and flame-retardant rubber, namely, the flame-retardant type cable sheath insulation material disclosed by the invention has the property of common silicon rubber at normal temperature, and a rigid shell after is formed being ablated by high temperature flames so as to protect the burnt object not to be damaged.
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 flame retardant type cable sheath insulating material and preparation method thereof.
Background technology
Fire prevention (fire-resistant) cable refers to when presence of fire, can guarantee a class cable of circuit integrity; This cable can guarantee that cable continues normally to provide electric power and various numbers of transmission in a long time, thereby provide safeguard for controlling fire and lifesaving when high temperature of fire; Especially very meaningful for the personnel such as theater, subway, airport, Nuclear power plants intensive public arena or important place.According to the difference of used refractory materials, existing flame resistant cable is divided into mica tape flame resistant cable and mineral insulation flame resistant cable two classes.This two classes flame resistant cable can both reach A class (test temperature is 950 ℃～1000 ℃) refractory standard, the integrity of circuit when guaranteeing fire, but these two kinds of cable qualitys are large, and production rate is slow, and cost is high.The common method of silicon rubber flame-retardant is to add fire retardant in superpolymer, to reduce the combustionmaterial surface temperature, dilution combustiblematerials molecular conecentration, cut off the supply of oxygen, form barrier layer at the silicon rubber burning surface, stop heat energy to transmit to the silicon rubber depth, suppress purpose that temperature raises to reach fire-retardant; But the cable that flame retardant rubber is made can only delay the time that rubber is burnt till powder, if continue to be burnt, rubber just becomes powdery gradually and comes off, and has lost provide protection, and electric wire is with breakdown and cause short circuit.
Summary of the invention
The object of the invention is exactly in order to remedy the defective of prior art, a kind of flame retardant type cable sheath insulating material to be provided.
The present invention is achieved by the following technical solutions:
A kind of flame retardant type cable sheath insulating material is characterized in that:
Chloroprene rubber CR121 94-102, chlorinatedpolyethylene 16-21, semi-reinforcing hydrocarbon black N774 16-22, magnesium oxide 2-4, glass powder 1-2, mica powder 32-36, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, polyamide wax micropowder 5-7, altax 1-2, Vulcanization accelerator TMTD 0.8-1, kaolin 18-23, hexanodioic acid propanediol polyester 1-3, zinc borate 2-4, talcum powder 4-6, zinc oxide 0.8-1, modified calcium carbonate 2-3, antimonous oxide 5-6, ethylene thiourea 4-6, ethylene bis stearamide 4-6, Imarcaptoacetate dioctyltin 0.7-0.9, Di(dioctylpyrophosphato) ethylene titanate 0.5-0.8;
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)
2Add sequestrant b diammonium edta, the magnesium chloride of its quality 8-12%, the tensio-active agent sodium polyphosphate of its quality 3-5% and the polyethylene oxide of 0.8-1 of 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 flame retardant type 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, glass powder, talcum powder, antioxidant MB, 2-thiol group benzimidazolyl 1-2, polyamide wax micropowder, altax, the Vulcanization accelerator TMTD of above-mentioned weight part, be 85-90 ℃ in temperature and descended mixing 2-3 minute;
(3) add again semi-reinforcing hydrocarbon black N774, mica powder, kaolin, hexanodioic acid propanediol polyester, zinc borate, ethylene bis stearamide, Imarcaptoacetate dioctyltin, Di(dioctylpyrophosphato) ethylene titanate, the modified calcium carbonate of above-mentioned weight part, be under 85-90 ℃ in temperature, mixing 4-6 minute;
(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 flame retardant type cable sheath insulating material.
Advantage of the present invention is:
The flame retardant type cable sheath insulating material that the present invention produces is different from common rubber, it has the characteristic that is better than General Purpose Rubber and flame retardant rubber: it has possessed the performance of ordinary silicon rubber at normal temperatures, ablation at thermal-flame forms hard housing afterwards, and the object that protection is burnt is not damaged; With the electric wire that flame retardant type cable sheath insulating material of the present invention is made, the hard housing of ablated rear formation is being protected electric wire, thereby has guaranteed the unimpeded of electric power, communication, for the valuable time has been won in evacuation and the rescue of personnel under the fire condition.
Embodiment
Embodiment 1
A kind of flame retardant type cable sheath insulating material, it is comprised of following weight parts (kilogram) raw material:
Chloroprene rubber CR121 94, chlorinatedpolyethylene 21, semi-reinforcing hydrocarbon black N774 22, magnesium oxide 4, glass powder 1-2, mica powder 36, antioxidant MB 2,2-thiol group benzimidazolyl 2, polyamide wax micropowder 5-7, altax 2, Vulcanization accelerator TMTD 0.8, kaolin 23, hexanodioic acid propanediol polyester 3, zinc borate 4, talcum powder 6, zinc oxide 0.8, modified calcium carbonate 3, antimonous oxide 6, ethylene thiourea 6, ethylene bis stearamide 6, Imarcaptoacetate dioctyltin 0.9, Di(dioctylpyrophosphato) ethylene titanate 0.8;
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)
2Add sequestrant b diammonium edta, the magnesium chloride of its quality 12%, the tensio-active agent sodium polyphosphate of its quality 5% and the polyethylene oxide of 0.8-1 of 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, glass powder, talcum powder, antioxidant MB, 2-thiol group benzimidazolyl 1-2, polyamide wax micropowder, altax, the Vulcanization accelerator TMTD of above-mentioned weight part, be 90 ℃ in temperature and descended mixing 3 minutes;
(3) add again semi-reinforcing hydrocarbon black N774, mica powder, kaolin, hexanodioic acid propanediol polyester, zinc borate, ethylene bis stearamide, Imarcaptoacetate dioctyltin, Di(dioctylpyrophosphato) ethylene titanate, the modified calcium carbonate of above-mentioned weight part, be under 90 ℃ in temperature, mixing 6 minutes;
(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 flame retardant type cable sheath insulating material.
Technical indicator:
Claims (2)
1. flame retardant type cable sheath insulating material is characterized in that it is comprised of the raw material of following weight parts:
Chloroprene rubber CR121 94-102, chlorinatedpolyethylene 16-21, semi-reinforcing hydrocarbon black N774 16-22, magnesium oxide 2-4, glass powder 1-2, mica powder 32-36, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, polyamide wax micropowder 5-7, altax 1-2, Vulcanization accelerator TMTD 0.8-1, kaolin 18-23, hexanodioic acid propanediol polyester 1-3, zinc borate 2-4, talcum powder 4-6, zinc oxide 0.8-1, modified calcium carbonate 2-3, antimonous oxide 5-6, ethylene thiourea 4-6, ethylene bis stearamide 4-6, Imarcaptoacetate dioctyltin 0.7-0.9, Di(dioctylpyrophosphato) ethylene titanate 0.5-0.8;
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)
2Add sequestrant b diammonium edta, the magnesium chloride of its quality 8-12%, the tensio-active agent sodium polyphosphate of its quality 3-5% and the polyethylene oxide of 0.8-1 of 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 flame retardant type 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, glass powder, talcum powder, antioxidant MB, 2-thiol group benzimidazolyl 1-2, polyamide wax micropowder, altax, the Vulcanization accelerator TMTD of above-mentioned weight part, be 85-90 ℃ in temperature and descended mixing 2-3 minute;
(3) add again semi-reinforcing hydrocarbon black N774, mica powder, kaolin, ethylene bis stearamide, Imarcaptoacetate dioctyltin, Di(dioctylpyrophosphato) ethylene titanate hexanodioic acid propanediol polyester, zinc borate, the modified calcium carbonate of above-mentioned weight part, be under 85-90 ℃ in temperature, mixing 4-6 minute;
(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 flame retardant type cable sheath insulating material.
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| CN2012104551076A CN103012885A (en) | 2012-11-13 | 2012-11-13 | Flame-retardant type cable sheath insulation material and preparation method thereof |
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| CN2012104551076A CN103012885A (en) | 2012-11-13 | 2012-11-13 | Flame-retardant type cable sheath insulation material and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103265781A (en) * | 2013-05-24 | 2013-08-28 | 安徽长园智豪电力科技有限公司 | Acrylic ester rubber cable sheath material made from modified hydrotalcite powder and preparation method of sheath material |
| CN103333380A (en) * | 2013-06-05 | 2013-10-02 | 安徽荣玖光纤通信科技有限公司 | Sun-proof cable sheath material |
| CN103351509A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Cable insulation composition and preparation method thereof |
| CN103374157A (en) * | 2013-06-21 | 2013-10-30 | 安徽荣玖光纤通信科技有限公司 | Flame-retardant 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 |
| CN103788435A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Low-smoke flame retardant mine cable sheath material |
| CN103788437A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Cold-resistant cable sheath material |
| CN104194107A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德集团股份有限公司 | High-flame-retardancy rubber material for cable sheaths |
| CN105670067A (en) * | 2016-02-03 | 2016-06-15 | 安徽南洋电缆有限公司 | Preparation method of insulating material for high-voltage direct current insulated cable |
| CN106188712A (en) * | 2016-07-29 | 2016-12-07 | 福建融音塑业科技有限公司 | A kind of dielectric resilience rubber |
| CN108102176A (en) * | 2018-01-24 | 2018-06-01 | 合肥尚强电气科技有限公司 | Material that a kind of cable is insulated with flame-resistant high-temperature-resistant and preparation method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265781A (en) * | 2013-05-24 | 2013-08-28 | 安徽长园智豪电力科技有限公司 | Acrylic ester rubber cable sheath material made from modified hydrotalcite powder and preparation method of sheath material |
| CN103265781B (en) * | 2013-05-24 | 2016-03-23 | 安徽长园智豪电力科技有限公司 | Acrylic elastomer cable jacket material of a kind of modified hydrotalcite powder and preparation method thereof |
| CN103333380B (en) * | 2013-06-05 | 2016-01-20 | 安徽荣玖光纤通信科技有限公司 | A kind of Sun-proof cable sheath material |
| CN103333380A (en) * | 2013-06-05 | 2013-10-02 | 安徽荣玖光纤通信科技有限公司 | Sun-proof cable sheath material |
| CN103351509A (en) * | 2013-06-19 | 2013-10-16 | 安徽电缆股份有限公司 | Cable insulation composition and preparation method thereof |
| CN103351509B (en) * | 2013-06-19 | 2016-08-10 | 安徽电缆股份有限公司 | A kind of cable insulation compositions and preparation method thereof |
| CN103374157A (en) * | 2013-06-21 | 2013-10-30 | 安徽荣玖光纤通信科技有限公司 | Flame-retardant cable sheath material and preparation method thereof |
| CN103374157B (en) * | 2013-06-21 | 2016-01-27 | 安徽荣玖光纤通信科技有限公司 | A kind of Flame retardant 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 |
| CN103539992B (en) * | 2013-09-30 | 2016-04-13 | 安徽明都电力线缆有限公司 | A kind of neoprene cable sheath material and preparation method thereof |
| CN103788437B (en) * | 2014-01-16 | 2016-03-02 | 安徽复兴电缆集团有限公司 | A kind of cold resistant cable sheath material |
| CN103788437A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Cold-resistant cable sheath material |
| CN103788435A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Low-smoke flame retardant mine cable sheath material |
| CN104194107A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德集团股份有限公司 | High-flame-retardancy rubber material for cable sheaths |
| CN105670067A (en) * | 2016-02-03 | 2016-06-15 | 安徽南洋电缆有限公司 | Preparation method of insulating material for high-voltage direct current insulated cable |
| CN106188712A (en) * | 2016-07-29 | 2016-12-07 | 福建融音塑业科技有限公司 | A kind of dielectric resilience rubber |
| CN108102176A (en) * | 2018-01-24 | 2018-06-01 | 合肥尚强电气科技有限公司 | Material that a kind of cable is insulated with flame-resistant high-temperature-resistant and preparation method thereof |
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Application publication date: 20130403 |