CN104804405A - Anti-tear cable material used for high-speed railway motor train unit and preparation method of anti-tear cable material - Google Patents
Anti-tear cable material used for high-speed railway motor train unit and preparation method of anti-tear cable material Download PDFInfo
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- CN104804405A CN104804405A CN201510155727.1A CN201510155727A CN104804405A CN 104804405 A CN104804405 A CN 104804405A CN 201510155727 A CN201510155727 A CN 201510155727A CN 104804405 A CN104804405 A CN 104804405A
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Abstract
The invention discloses an anti-tear cable material used for a high-speed railway motor train unit and a preparation method of the anti-tear cable material. The anti-tear cable material used for the high-speed railway motor train unit comprises the following raw materials in parts by weight: 67 to 89 parts of polyurethane rubber, 22 to 36 parts of styrene-butadiene rubber, 15 to 25 parts of thermoplastic polyester elastic bodies, 4 to 8 parts of vinyl silicone oil, 17 to 26 parts of fumed silica, 3 to 6 parts of cadmium carbonate, 2 to 3 parts of lauroyl peroxide, 1.5 to 2.5 parts of triallyl isocyanurate, 1 to 2 parts of ammonium benzoate, 3 to 5 parts of poly-alpha-olefin, 5 to 10 parts of tert-butyl phenolic tackifying resin, 2 to 4 parts of triethylhexanoin, 10 to 15 parts of methylpentachlorostearate, 14 to 18 parts of carbon nano tubes, 10 to 15 parts of a diopside powder, 1 to 2 parts of 4,4'-dithiodimorpholine, 0.5 to 1 part of P-tert-butylphenol, and 20 to 25 parts of a composite flame retardant. The cable material provided by the invention combines the advantages of the raw materials such as the polyurethane rubber, the styrene-butadiene rubber, and the thermoplastic polyester elastic bodies, the tearing strength of a conventional cable material is improved, and the cable material is enabled to have excellent tear resistance, has the effect of bearing relatively great mechanical external force, and has the advantages of excellent chemical stability, heat resistance and age resistance, and long service life.
Description
Technical field
The present invention relates to a kind of CABLE MATERIALS, be specifically related to a kind of high-speed railway EMUs anti tear CABLE MATERIALS and preparation method thereof.
Background technology
Along with developing rapidly of economy, electric wire is widely used in high-speed railway motor-car industry.The frequent generation of high-speed railway motor-car electrical fire accident in recent years, the fire-retardant problem of electric wire causes the attention of countries in the world gradually.Discharge a large amount of smog and poisonous, that corrosive gas seriously hampers people safe escape and fire-fighting work during cable fire, make lives and properties suffer heavy losses.Simultaneously high-speed railway EMUs in the market with CABLE MATERIALS also ubiquity the shortcoming of tear strength difference, cause its work-ing life short, cannot meet the need of market.Therefore, be badly in need of changing conventional high rate bullet train group cable material formula, develop a kind of brand-new high-speed railway EMUs CABLE MATERIALS, to improve the tear strength of high-speed railway EMUs electric wire.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, high-speed railway EMUs anti tear CABLE MATERIALS providing a kind of tear strength high and preparation method thereof.
For achieving the above object, the present invention adopts following technical scheme:
A kind of high-speed railway EMUs anti tear CABLE MATERIALS, be made up of the raw material of following weight part: urethanes 67-89, styrene-butadiene rubber(SBR) 22-36, thermoplastic polyester elastomer 15-25, vinyl silicone oil 4-8, gas-phase silica 17-26, cadmium carbonate 3-6, lauroyl peroxide 2-3, cyanacrylate 1.5-2.5, ammonium benzoate 1-2, poly-alpha olefins 3-5, tertiary butyl phenol aldehyde tackifying resin 5-10, three isocaprylic acid glyceryl ester 2-4, methyl pentachlorostearate 10-15, carbon nanotube 14-18, Fly-ash 10-15, 4, 4'-dithio morpholine 1-2, p-tert-butylphenol 0.5-1, composite flame-retardant agent 20-25,
The preparation method of described composite flame-retardant agent is as follows:
(1) ratio of 4-7:3-5:2-3 takes polygorskite, attapulgite and barium metaborate in mass ratio, mixes, and pulverizes, and crosses 100-150 mesh sieve, then 600-800r/min ball milling 0.5-1h;
(2) stirring that added water by the powder that above-mentioned ball milling obtains is mixed with the suspension that concentration is 50-60g/L, then adds the 1mol/L Mg (NO of certain volume
3)
2solution, makes Mg (NO
3)
2the mass ratio of the powder obtained with step (1) ball milling is 1:2-3; Ultrasonic disperse 15-20min, then heating in water bath is to 60-70 DEG C, stirring and ultrasonic while drip 1mol/L sodium hydroxide solution, until solution PH=9-10, stop dropping, constant temperature stirs 3-6h, filter, dry, grinding, cross 150-200 mesh sieve, obtain the powder of magnesium hydroxide once coated process;
(3) ratio of 3-6:2-4:1 takes zinc sulfate, SODIUM PHOSPHATE, MONOBASIC, polyacrylamide in molar ratio, get the deionized water that zinc sulfate adds 4-8 times amount, the powder that the step (2) that is equivalent to solution weight 35-45% is obtained is added again after stirring, 200-400r/min disperses 1-2h, then adds SODIUM PHOSPHATE, MONOBASIC, polyacrylamide, stirs and is warming up to 80-90 DEG C, stirring reaction 5-7h, filter, dry, obtain the powder of the coated process of zinc phosphate secondary;
(4) ten difluoro heptyl propyl trimethoxy silicanes, three (trimethyl silane) boric acid ester of 2-4%, the ricinolic acid polyoxypropylene ester of 1-2% of 3-6% is added in the powder that above-mentioned steps (3) is obtained, 1000-1500r/min high speed dispersion 8-12min, dry, grinding, crosses 150-200 mesh sieve.
Above-mentioned composite flame-retardant agent is first by polygorskite, attapulgite and barium metaborate three kinds of inorganicss are mixed and made into powder, and then successively at mixed powder Surface coating magnesium hydroxide, zinc phosphate, finally use ten difluoro heptyl propyl trimethoxy silicanes, three (trimethyl silane) boric acid ester, ricinolic acid polyoxypropylene ester carries out surface modification to coated powder, improve the consistency of coated powder and high molecular polymer, the method achieve polygorskite, attapulgite, barium metaborate, magnesium hydroxide and this several inorganic combustion inhibitor of zinc phosphate chemically composited, the cooperative flame retardant farthest playing above-mentioned inorganic component presses down cigarette effect, significantly improve the flame retardant effect of composite inorganic fire retardant.
The preparation method of high-speed railway EMUs anti tear CABLE MATERIALS of the present invention, comprise the following steps: urethanes, styrene-butadiene rubber(SBR), thermoplastic polyester elastomer, tertiary butyl phenol aldehyde tackifying resin, poly-alpha olefins, gas-phase silica, Fly-ash, three isocaprylic acid glyceryl ester are joined high-speed mixer high speed and stir, when temperature of charge reaches 70-80 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 85-95 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 40-50 DEG C; The material mixed is proceeded to twin screw extruder extruding pelletization, gets product after pellet drying, screening, packaging.
Beneficial effect of the present invention:
The CABLE MATERIALS that the present invention obtains combines the advantage of the raw materials such as urethanes, styrene-butadiene rubber(SBR), thermoplastic polyester elastomer, improve the tear strength of traditional cable material, make it have excellent tear resistance, larger mechanical external force effect can be born, there is good chemical stability, thermotolerance and ageing resistance simultaneously, long service life.
Embodiment
A kind of high-speed railway EMUs anti tear CABLE MATERIALS, be made up of the raw material of following weight (kg): urethanes 82, styrene-butadiene rubber(SBR) 32, thermoplastic polyester elastomer 20, vinyl silicone oil 6, gas-phase silica 23, cadmium carbonate 4, lauroyl peroxide 2.5, cyanacrylate 2, ammonium benzoate 1.5, poly-alpha olefins 4, tertiary butyl phenol aldehyde tackifying resin 8, three isocaprylic acid glyceryl ester 3, methyl pentachlorostearate 12, carbon nanotube 16, Fly-ash 12,4,4'-dithio morpholine 1.5, p-tert-butylphenol 0.8, composite flame-retardant agent 22;
The preparation method of described composite flame-retardant agent is as follows:
(1) ratio of 4:3:2 takes polygorskite, attapulgite and barium metaborate in mass ratio, mixes, and pulverizes, and crosses 100 mesh sieves, then 600r/min ball milling 1h;
(2) stirring that added water by the powder that above-mentioned ball milling obtains is mixed with the suspension that concentration is 50g/L, then adds the 1mol/L Mg (NO of certain volume
3)
2solution, makes Mg (NO
3)
2the mass ratio of the powder obtained with step (1) ball milling is 1:2; Ultrasonic disperse 15min, then heating in water bath to 70 DEG C, stirring and ultrasonic while dropping 1mol/L sodium hydroxide solution, until solution PH=9, stop dripping, constant temperature stirs 4h, filters, and dries, grinding, crosses 150 mesh sieves, obtains the powder of magnesium hydroxide once coated process;
(3) 3:2:1 ratio takes zinc sulfate, SODIUM PHOSPHATE, MONOBASIC, polyacrylamide in molar ratio, get the deionized water that zinc sulfate adds 6 times amount, the powder that the step (2) that is equivalent to solution weight 40% is obtained is added again after stirring, 300r/min disperses 2h, then adds SODIUM PHOSPHATE, MONOBASIC, polyacrylamide, stirs and is warming up to 90 DEG C, stirring reaction 5h, filter, dry, obtain the powder of the coated process of zinc phosphate secondary;
(4) ten difluoro heptyl propyl trimethoxy silicanes, three (trimethyl silane) boric acid ester of 3%, the ricinolic acid polyoxypropylene ester of 1.5% of 4% is added in the powder that above-mentioned steps (3) is obtained, 1500r/min high speed dispersion 8min, dry, grinding, crosses 150 mesh sieves.
A kind of preparation method of high-speed railway EMUs anti tear CABLE MATERIALS, comprise the following steps: urethanes, styrene-butadiene rubber(SBR), thermoplastic polyester elastomer, tertiary butyl phenol aldehyde tackifying resin, poly-alpha olefins, gas-phase silica, Fly-ash, three isocaprylic acid glyceryl ester are joined high-speed mixer high speed and stir, when temperature of charge reaches 70-80 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 85-95 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 40-50 DEG C; The material mixed is proceeded to twin screw extruder extruding pelletization, gets product after pellet drying, screening, packaging.
The performance test results of above-mentioned obtained CABLE MATERIALS is as follows:
Claims (2)
1. a high-speed railway EMUs anti tear CABLE MATERIALS, it is characterized in that, be made up of the raw material of following weight part: urethanes 67-89, styrene-butadiene rubber(SBR) 22-36, thermoplastic polyester elastomer 15-25, vinyl silicone oil 4-8, gas-phase silica 17-26, cadmium carbonate 3-6, lauroyl peroxide 2-3, cyanacrylate 1.5-2.5, ammonium benzoate 1-2, poly-alpha olefins 3-5, tertiary butyl phenol aldehyde tackifying resin 5-10, three isocaprylic acid glyceryl ester 2-4, methyl pentachlorostearate 10-15, carbon nanotube 14-18, Fly-ash 10-15, 4, 4'-dithio morpholine 1-2, p-tert-butylphenol 0.5-1, composite flame-retardant agent 20-25,
The preparation method of described composite flame-retardant agent is as follows:
(1) ratio of 4-7:3-5:2-3 takes polygorskite, attapulgite and barium metaborate in mass ratio, mixes, and pulverizes, and crosses 100-150 mesh sieve, then 600-800r/min ball milling 0.5-1h;
(2) stirring that added water by the powder that above-mentioned ball milling obtains is mixed with the suspension that concentration is 50-60g/L, then adds the 1mol/L Mg (NO of certain volume
3)
2solution, makes Mg (NO
3)
2the mass ratio of the powder obtained with step (1) ball milling is 1:2-3; Ultrasonic disperse 15-20min, then heating in water bath is to 60-70 DEG C, stirring and ultrasonic while dropping 1mol/L sodium hydroxide solution, until solution PH=9-10, stop dripping, constant temperature stirs 3-6h, filters, and dries, grinding, crosses 150-200 mesh sieve, obtains the powder of magnesium hydroxide once coated process;
(3) ratio of 3-6:2-4:1-2 takes zinc sulfate, SODIUM PHOSPHATE, MONOBASIC, polyacrylamide in molar ratio, get the deionized water that zinc sulfate adds 4-8 times amount, the powder that the step (2) that is equivalent to solution weight 35-45% is obtained is added again after stirring, 200-400r/min disperses 1-2h, then adds SODIUM PHOSPHATE, MONOBASIC, polyacrylamide, stirs and is warming up to 80-90 DEG C, stirring reaction 5-7h, filter, dry, obtain the powder of the coated process of zinc phosphate secondary;
(4) ten difluoro heptyl propyl trimethoxy silicanes, three (trimethyl silane) boric acid ester of 2-4%, the ricinolic acid polyoxypropylene ester of 1-2% of 3-6% is added in the powder that above-mentioned steps (3) is obtained, 1000-1500r/min high speed dispersion 8-12min, dry, grinding, crosses 150-200 mesh sieve.
2. the preparation method of high-speed railway EMUs anti tear CABLE MATERIALS according to claim 1, it is characterized in that, comprise the following steps: by urethanes, styrene-butadiene rubber(SBR), thermoplastic polyester elastomer, tertiary butyl phenol aldehyde tackifying resin, poly-alpha olefins, gas-phase silica, Fly-ash, three isocaprylic acid glyceryl ester join high-speed mixer high speed and stir, when temperature of charge reaches 70-80 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 85-95 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 40-50 DEG C, the material mixed is proceeded to twin screw extruder extruding pelletization, gets product after pellet drying, screening, packaging.
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| CN105153494A (en) * | 2015-09-16 | 2015-12-16 | 安徽华润仪表线缆有限公司 | Marine modified isoprene rubber cable material |
| CN105315654A (en) * | 2015-11-17 | 2016-02-10 | 深圳市沃尔核材股份有限公司 | High-toughness high-elasticity anti-hydrolysis polyurethane elastomer sizing material and production method thereof |
| CN106098196A (en) * | 2016-07-06 | 2016-11-09 | 芜湖航天特种电缆厂股份有限公司 | Low loss coaxial radio frequency cable and preparation method thereof |
| CN107083046A (en) * | 2017-06-07 | 2017-08-22 | 合肥励仙电力工程有限公司 | A kind of high-strength cable material and preparation method thereof |
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| CN105153494A (en) * | 2015-09-16 | 2015-12-16 | 安徽华润仪表线缆有限公司 | Marine modified isoprene rubber cable material |
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| CN106098196A (en) * | 2016-07-06 | 2016-11-09 | 芜湖航天特种电缆厂股份有限公司 | Low loss coaxial radio frequency cable and preparation method thereof |
| CN107083046A (en) * | 2017-06-07 | 2017-08-22 | 合肥励仙电力工程有限公司 | A kind of high-strength cable material and preparation method thereof |
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Application publication date: 20150729 |