CN105175959A

CN105175959A - Heatproof corrosion-resistant cable material for urban rail transport and preparation method thereof

Info

Publication number: CN105175959A
Application number: CN201510420013.9A
Authority: CN
Inventors: 沈必亮; 赵欣泰
Original assignee: Anhui Chunhui Instrument Cable Group Co Ltd
Current assignee: Anhui Chunhui Instrument Cable Group Co Ltd
Priority date: 2015-07-14
Filing date: 2015-07-14
Publication date: 2015-12-23

Abstract

The invention discloses a heatproof corrosion-resistant cable material for urban rail transport and a preparation method thereof. The heatproof corrosion-resistant cable material is prepared from the following raw materials, by weight, 38-46 parts of teflon, 24-33 parts of a liquid crystal polymer, 16-22 parts of polyarylsulfone, 10-15 parts of a nano-zeolite molecular sieve, 6-12 parts of hexaphenoxy cyclotriphosphazene, 5-10 parts of diethylene glycol dibenzoate, 3-6 parts of microcrystalline wax, 8-16 parts of hollow glass microspheres, 14-18 parts of a composite flame retardant, 4-9 parts of melamine cyanurate, 2-3 parts of tri(mercaptoacetic acid n-butyl ester)antimony, 2-3 parts of 2-octyldodecanol, 10-15 parts of diallyl phthalate, 2-3 parts of Stearoylbenzoylmethane and 1-2 parts of 6-ethoxy-2,2,4-trimethyl-1,2-dihydro-quinoline. The cable material has good heat resistance, and the heat resistance grade reaches 160 DEG C. In addition, the cable material has excellent corrosion resistance, is especially resistant to corrosive mediums such as acid, alkali, salt, oil and the like, has good wear resistance, weather ageing resistance, flame resistance and the like, and can completely meet requirements of performance when used under conditions of high-temperature corrosive mediums.

Description

A kind of urban track traffic heat-resistant anticorrosion CABLE MATERIALS and preparation method thereof

Technical field

The present invention relates to a kind of CABLE MATERIALS, be specifically related to a kind of urban track traffic heat-resistant anticorrosion CABLE MATERIALS and preparation method thereof.

Background technology

Along with developing rapidly of economy, electric wire is widely used in urban track traffic industry.The frequent generation of urban track traffic 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 urban track traffic in the market with CABLE MATERIALS also ubiquity the shortcoming of thermotolerance and erosion resistance difference, cause its work-ing life short, cannot meet the need of market.Therefore, be badly in need of changing traditional cities track traffic cable material formula, develop a kind of brand-new urban track traffic CABLE MATERIALS, to improve thermotolerance and the erosion resistance of urban track traffic electric wire.

Summary of the invention

The object of the present invention is to provide a kind of urban track traffic heat-resistant anticorrosion CABLE MATERIALS and preparation method thereof, improve thermotolerance and the erosion resistance of urban track traffic electric wire.

For achieving the above object, the present invention adopts following technical scheme:

A kind of urban track traffic heat-resistant anticorrosion CABLE MATERIALS, be made up of the raw material of following weight part: tetrafluoroethylene 38-46, liquid crystalline polymers 24-33, polyarylsulphone 16-22, molecular sieve of Nano zeolite 10-15, hexaphenoxycyclotriphosphazene 6-12, Diethylene Glycol Dibenzoate 5-10, microcrystalline wax 3-6, hollow glass microballoon 8-16, composite flame-retardant agent 14-18, melamine cyanurate 4-9, three (the positive butyl ester of thioglycolic acid) antimony 2-3, 2-octyl dodecanol 2-3, Phthalic acid, diallyl ester 10-15, stearoyl benzoyl methane 2-3, 6-oxyethyl group-2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline 1-2,

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/LMg (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 3-6:2-4:1-2 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.

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 urban track traffic heat-resistant anticorrosion CABLE MATERIALS of the present invention, comprise the following steps: tetrafluoroethylene, liquid crystalline polymers, polyarylsulphone, hexaphenoxycyclotriphosphazene, Phthalic acid, diallyl ester, molecular sieve of Nano zeolite, microcrystalline wax, three (the positive butyl ester of thioglycolic acid) antimony are joined high-speed mixer high speed and stirs, when temperature of charge reaches 75-95 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 90-110 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 45-55 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:

CABLE MATERIALS good heat resistance of the present invention, temperature classification reaches 160 DEG C, and excellent corrosion resistance, energy acid-and base-resisting especially, salt, wet goods corrosive medium, also there is the characteristics such as good wear resistance, weatherability and flame resistivity, the performance requriements used under meeting high temperature corrosion medium completely.

Embodiment

A kind of urban track traffic heat-resistant anticorrosion CABLE MATERIALS, be made up of the raw material of following weight (kg): tetrafluoroethylene 42, liquid crystalline polymers 27, polyarylsulphone 19, molecular sieve of Nano zeolite 13, hexaphenoxycyclotriphosphazene 8, Diethylene Glycol Dibenzoate 7, microcrystalline wax 4.5, hollow glass microballoon 12, composite flame-retardant agent 16, melamine cyanurate 6, three (the positive butyl ester of thioglycolic acid) antimony 2.5, 2-octyl dodecanol 2, Phthalic acid, diallyl ester 12, stearoyl benzoyl methane 2.5, 6-oxyethyl group-2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline 1.5,

(1) ratio of 5:4:3 takes polygorskite, attapulgite and barium metaborate in mass ratio, mixes, and pulverizes, and crosses 120 mesh sieves, then 750r/min ball milling 0.5h;

(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/LMg (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=10, stop dripping, constant temperature stirs 4h, filters, and dries, grinding, crosses 150 mesh sieves, obtains the powder of magnesium hydroxide once coated process;

(3) ratio of 5:3:1 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, 400r/min disperses 1h, 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% of 5% is added in the powder that above-mentioned steps (3) is obtained, 1200r/min high speed dispersion 10min, dry, grinding, crosses 150 mesh sieves.

A kind of preparation method of urban track traffic heat-resistant anticorrosion CABLE MATERIALS, comprise the following steps: tetrafluoroethylene, liquid crystalline polymers, polyarylsulphone, hexaphenoxycyclotriphosphazene, Phthalic acid, diallyl ester, molecular sieve of Nano zeolite, microcrystalline wax, three (the positive butyl ester of thioglycolic acid) antimony are joined high-speed mixer high speed and stirs, when temperature of charge reaches 75-95 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 90-110 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 45-55 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

1. a urban track traffic heat-resistant anticorrosion CABLE MATERIALS, it is characterized in that, be made up of the raw material of following weight part: tetrafluoroethylene 38-46, liquid crystalline polymers 24-33, polyarylsulphone 16-22, molecular sieve of Nano zeolite 10-15, hexaphenoxycyclotriphosphazene 6-12, Diethylene Glycol Dibenzoate 5-10, microcrystalline wax 3-6, hollow glass microballoon 8-16, composite flame-retardant agent 14-18, melamine cyanurate 4-9, three (the positive butyl ester of thioglycolic acid) antimony 2-3, 2-octyl dodecanol 2-3, Phthalic acid, diallyl ester 10-15, stearoyl benzoyl methane 2-3, 6-oxyethyl group-2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline 1-2,

(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/LMg (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;

2. the preparation method of urban track traffic heat-resistant anticorrosion CABLE MATERIALS according to claim 1, it is characterized in that, comprise the following steps: by tetrafluoroethylene, liquid crystalline polymers, polyarylsulphone, hexaphenoxycyclotriphosphazene, Phthalic acid, diallyl ester, molecular sieve of Nano zeolite, microcrystalline wax, three (the positive butyl ester of thioglycolic acid) antimony joins high-speed mixer high speed and stirs, when temperature of charge reaches 75-95 DEG C, add remaining raw material again, continue to be stirred to material temperature when reaching 90-110 DEG C, material is put into cold mixer stirring at low speed, the discharging when material is cooled to 45-55 DEG C, the material mixed is proceeded to twin screw extruder extruding pelletization, gets product after pellet drying, screening, packaging.