CN109836732A - The PVC cable material of flame-proof weather-resisting - Google Patents
The PVC cable material of flame-proof weather-resisting Download PDFInfo
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- CN109836732A CN109836732A CN201910120591.9A CN201910120591A CN109836732A CN 109836732 A CN109836732 A CN 109836732A CN 201910120591 A CN201910120591 A CN 201910120591A CN 109836732 A CN109836732 A CN 109836732A
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Abstract
The invention discloses a kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight: 60~70 parts by weight of polyvinyl chloride；10~14 parts by weight of fluorubber；12~16 parts by weight of ABS/PC alloy；20~25 parts by weight of plasticizer；6~10 parts by weight of stabilizer；6~8 parts by weight of filler；3~5 parts by weight of antioxidant；1~3 parts by weight of fire retardant；The parts by weight of KH-5600.5~1.The PVC cable material of flame-proof weather-resisting of the invention improves the internal structure of PVC plastic, with excellent weather resistance and flame retardant property by optimizing to its chemical component in microcosmic degree.
Description
Technical field
The present invention relates to a kind of plastics, more particularly to a kind of PVC cable material of flame-proof weather-resisting.
Background technique
Wire and cable is important materials indispensable in industrial and agricultural production and the modern life, and China is that the whole world is maximum
Countries producing electric wires and cables man, wires and cables industry play a very important role in the national economy in China, still, currently,
There is non-refractories for CABLE MATERIALS in the market, not ageing-resistant, and the phenomenon that becomes fragile of turning to be yellow occurs in material after degradation.Electric wire aging
And cause fire it is also more and more, how to reduce fire incidence and occur fire when the death rate, low cigarette, Halogen,
Fire-retardant, the environmentally friendly developing direction for also becoming wires and cables industry.Wherein the demand of halide-free low-smoke fireproof cable material is increasing,
The production of halide-free low-smoke fireproof cable material at present is that a large amount of acetylene carbon black or acetylene carbon black are added in polyolefin base material mostly
Reach flame retardant effect, however, the addition of a large amount of inorganic material, affects the physical mechanical property and processing of CABLE MATERIALS.Fire-retardant,
Low cigarette, environmental protection, good weatherability, CABLE MATERIALS at low cost become the direction that CABLE MATERIALS develops.
Summary of the invention
In view of the above shortcomings, it is an object of the invention to develop the PVC cable material of a flame-proof weather-resisting, with excellent
Different weather resistance and flame retardant property.
Technical solution of the present invention is summarized as follows:
A kind of PVC cable material of flame-proof weather-resisting, wherein the material including following parts by weight:
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the fluorubber includes 60~70wt% 4 third
Fluorubber and 30~40wt% vinylidene-tetrafluoraoethylene-hexafluoropropylene copolymer.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the plasticizer includes 30~40wt% to hydroxyl
Yl benzoic acid isobutyl ester and 60~70wt% ethylene dichloride.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the stabilizer includes 70~90wt% triphen
Base tin acetate and 10~30wt% antimony triethyl.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the filler includes 30~40wt% titanium carbide
With 60~70wt% lithium fluoride.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the antioxidant includes 50~60wt% butyl
Zinc dithiocarbamate and 40~50wt%2- mercaptobenzothiazole zinc.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the fire retardant includes 40~50wt% trimerization
Cyanamide cyanurate and 50~60wt% deca-BDE.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein further include the N- cyclohexyl -2- of 1~3 parts by weight
Benzothiazole sulfenamide.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the partial size of the titanium carbide and lithium fluoride is 70
~90nm.
Preferably, the PVC cable material of the flame-proof weather-resisting, wherein the number-average molecular weight of the ABS/PC alloy is
6000~6500g/mol.
The beneficial effects of the present invention are:
(1) PVC cable material of flame-proof weather-resisting of the invention, by being optimized to its chemical component, in microcosmic degree
The internal structure for improving PVC plastic, with excellent weather resistance and flame retardant property.
(2) for the present invention based on polyvinyl chloride, this case introduces in main material has the good weatherability of toughness thermal stability good
ABS/PC alloy and fatigue performance excellent insulation performance fluorubber；P-Hydroxybenzoic acid isobutyl ester and ethylene dichloride association
With plasticizer is used as, the plasticity of polymer is increased；Triphenyl tin acetate and antimony triethyl synergistic effect, can be improved its weatherability
Energy and thermal stability；Titanium carbide and lithium fluoride improve PVC plastic heat resistance, weather resistance, flame retardant property as filler；
Zinc dibutyl dithiocarbamate and 2-mercaptobenzothiazole zinc and PVC plastic have good compatibility and compatibility, so that
The antioxygenic property of PVC plastic reaches best；Melamine cyanurate and deca-BDE collaboration are used as fire retardant, by mentioning
The thermal capacitance of high polymer makes it absorb more heats before reaching thermal decomposition temperature, to improve its flame retardant property；By adding
Enter the anti-aging property that N cyclohexyl 2 benzothiazole sulfenamide improves rubber.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
This case proposes a kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
Polyvinyl chloride has fire-retardant, chemical resistance high (sulfuric acid that resistance to concentrated hydrochloric acid, concentration are 90%, concentration 60%
Nitric acid and concentration 20% sodium hydroxide), the good advantage of high mechanical strength, insulation performance, thermal stability of polyvinyl chloride and resistance to
Fatigue behaviour is poor；In order to make up these defects, this case introduces in main material has the good weatherability of toughness thermal stability good
The fluorubber of ABS/PC alloy and fatigue performance excellent insulation performance.KH-560 has alkene functional groups, improves PVC cable
Inoxidizability and the compatibility performance for improving filler and polyvinyl chloride, rubber, and then its mechanical property and resistance to further can be improved
Mill property.
As the another embodiment of this case, wherein fluorubber includes 60~70wt% tetrapropanate fluorine rubber and 30~40wt% inclined
Vinyl fluoride-tetrafluoraoethylene-hexafluoropropylene copolymer.Tetrapropanate fluorine rubber is with good stability, chemical resistance, especially
Resisting high-concentration acid, alkali, strong oxidizer are had excellent performance, high pressure resistant water vapour, and water-fast and electrical insulation capability is excellent；Vinylidene-
Tetrafluoraoethylene-hexafluoropropylene copolymer mechanical strength is good, toughness is big, radioresistance is excellent, resistance to weathering can be excellent, can be
It is used for a long time under 280 DEG C or more high temperature.
As the another embodiment of this case, wherein plasticizer include 30~40wt% p-Hydroxybenzoic acid isobutyl ester and 60~
70wt% ethylene dichloride.The main function of plasticizer is that the secondary valence weakened between polymer molecule is good for, and increases polymer molecule
The mobility of chain reduces the crystallinity of polymer molecular chain, that is, increases the plasticity of polymer, shows as the hard of polymer
Degree, modulus, softening temperature and brittle temperature decline, and elongation, flexibility and flexibility increase, the preferred plasticizer of this case is
P-Hydroxybenzoic acid isobutyl ester and ethylene dichloride synergistic effect.
As the another embodiment of this case, wherein stabilizer includes 70~90wt% triphenyl tin acetate and 10~30wt%
Antimony triethyl.Triphenyl tin acetate and antimony triethyl synergistic effect, can be improved its weather resistance and thermal stability.
As the another embodiment of this case, wherein filler includes 30~40wt% titanium carbide and 60~70wt% lithium fluoride.For
The PVC plastic with more high heat resistance, weather resistance, flame retardant property is obtained, this case, which again introduces, has collaboration performance resistance to
Hot property, weather resistance, flame retardant property titanium carbide and lithium fluoride, wherein titanium carbide has heat resistance outstanding and fire-retardant
Performance, lithium fluoride have excellent weather resistance and flame retardant property.
As the another embodiment of this case, wherein antioxidant includes 50~60wt% zinc dibutyl dithiocarbamate and 40
~50wt%2- mercaptobenzothiazole zinc.Zinc dibutyl dithiocarbamate can eliminate peroxy radical and alkoxy free group, and
It can inhibit light degradation；The antioxygenic property and corrosion resistance of PVC plastic can be improved in 2-mercaptobenzothiazole zinc, and butyl two is thio
Carbaminate and 2-mercaptobenzothiazole zinc and PVC plastic have good compatibility and compatibility, so that PVC plastic is anti-
Oxidation susceptibility reaches best.
As the another embodiment of this case, wherein fire retardant include 40~50wt% melamine cyanurate and 50~
60wt% deca-BDE.Melamine cyanurate and deca-BDE collaboration are used as fire retardant, by improving polymer
Thermal capacitance makes it absorb more heats before reaching thermal decomposition temperature, to improve its flame retardant property.
As the another embodiment of this case, wherein further include N- cyclohexyl -2-[4-morpholinodithio time sulphonyl of 1~3 parts by weight
Amine.The anti-aging property of rubber is improved by the way that N cyclohexyl 2 benzothiazole sulfenamide is added.
As the another embodiment of this case, wherein the partial size of titanium carbide and lithium fluoride is 70~90nm.Titanium carbide and lithium fluoride
Particle size range can make PVC plastic heat resistance, weather resistance, be balanced between flame retardant property well.Therefore, partial size model
Enclosing should be restricted.
As the another embodiment of this case, wherein the number-average molecular weight of ABS/PC alloy is 6000~6500g/mol.Polychlorostyrene
The number-average molecular weight of ethylene can influence the weather resistance of PVC, and therefore, the number-average molecular weight of ABS/PC alloy should be restricted.
The specific embodiment and comparative example being listed below:
Embodiment 1:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 70nm；The number-average molecular weight of ABS/PC alloy is 6000g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Embodiment 2:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 80nm；The number-average molecular weight of ABS/PC alloy is 6200g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Embodiment 3:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 90nm；The number-average molecular weight of ABS/PC alloy is 6500g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 1:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 70nm；The number-average molecular weight of ABS/PC alloy is 6000g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 be uniformly mixed, then be added tetrapropanate fluorine rubber, N cyclohexyl 2 benzothiazole sulfenamide,
ABS/PC alloy continues mixed on low speed 120 seconds, can discharge when material temperature reaches 100 DEG C, obtains mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
For 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 2:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 70nm；The number-average molecular weight of ABS/PC alloy is 6000g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide continue mixed on low speed 120 seconds, can discharge, obtain when material temperature reaches 100 DEG C
Obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 3:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 80nm；The number-average molecular weight of ABS/PC alloy is 6200g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 4:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 80nm；The number-average molecular weight of ABS/PC alloy is 6200g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, antimony triethyl, zinc dibutyl dithiocarbamate, 2-mercaptobenzothiazole zinc, melamine
Cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, and the temperature control of high-speed kneading machine exists
105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, start mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 5:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 90nm；The number-average molecular weight of ABS/PC alloy is 6500g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, high-speed kneading machine
Temperature is controlled at 105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, and starts mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, KH-560 are uniformly mixed, and tetrapropanate fluorine rubber, vinylidene-tetrafluoraoethylene-hexafluoropropylene copolymer, N- is then added
Cyclohexyl -2-[4-morpholinodithio sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, can go out when material temperature reaches 100 DEG C
Material obtains mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 6:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 90nm；The number-average molecular weight of ABS/PC alloy is 6500g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, melamine cyanurea
Hydrochlorate, deca-BDE are placed in heating in high-speed kneading machine and carry out mixed on low speed, and the temperature of high-speed kneading machine is controlled in 105-110
DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, start mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
Comparative example 7:
A kind of PVC cable material of flame-proof weather-resisting, the material including following parts by weight:
The partial size of titanium carbide and lithium fluoride is 90nm；The number-average molecular weight of ABS/PC alloy is 6500g/mol.
The preparation method of the PVC cable material of flame-proof weather-resisting:
1) by polyvinyl chloride, triphenyl tin acetate, antimony triethyl, zinc dibutyl dithiocarbamate, 2- sulfydryl benzo thiophene
Azoles zinc, melamine cyanurate are placed in heating in high-speed kneading machine and carry out mixed on low speed, and the temperature control of high-speed kneading machine exists
105-110 DEG C, while p-Hydroxybenzoic acid isobutyl ester and ethylene dichloride is added, start mixed at high speed；
2) when mixed at high speed to material temperature reaches 90 DEG C, it is again started up mixed on low speed, is first added in the case where mixed on low speed
Titanium nitride, lithium fluoride, KH-560 are uniformly mixed, and it is total that tetrapropanate fluorine rubber, vinylidene-hexafluoropropylene (HFP)/tetrafluoroethylene (TFE) is then added
Polymers, N cyclohexyl 2 benzothiazole sulfenamide, ABS/PC alloy continue mixed on low speed 120 seconds, when material temperature reaches 100 DEG C
It can discharge, obtain mixture；
3) raw material that step 2) is uniformly mixed is directlyed adopt into double screw extruder squeeze out and make material, control extrusion temperature
It is 140 DEG C, the PVC plastic of flame-proof weather-resisting is obtained after the particle drying of extrusion.
The performance test results of embodiment and comparative example are listed below:
It can be seen that by examples detailed above, the material obtained not only has excellent flame retardant property, but also weather resistance insulating properties
Can more general material it is good.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of PVC cable material of flame-proof weather-resisting, which is characterized in that the material including following parts by weight:
2. the PVC cable material of flame-proof weather-resisting according to claim 1, which is characterized in that the fluorubber include 60~
70wt% tetrapropanate fluorine rubber and 30~40wt% vinylidene-tetrafluoraoethylene-hexafluoropropylene copolymer.
3. the PVC cable material of flame-proof weather-resisting according to claim 2, which is characterized in that the plasticizer include 30~
40wt% p-Hydroxybenzoic acid isobutyl ester and 60~70wt% ethylene dichloride.
4. the PVC cable material of flame-proof weather-resisting according to claim 1, which is characterized in that the stabilizer include 70~
90wt% triphenyl tin acetate and 10~30wt% antimony triethyl.
5. the PVC cable material of flame-proof weather-resisting according to claim 1, which is characterized in that the filler include 30~
40wt% titanium carbide and 60~70wt% lithium fluoride.
6. the PVC cable material of flame-proof weather-resisting according to claim 5, which is characterized in that the antioxidant include 50~
60wt% zinc dibutyl dithiocarbamate and 40~50wt%2- mercaptobenzothiazole zinc.
7. the PVC cable material of flame-proof weather-resisting according to claim 1 or 6, which is characterized in that the fire retardant include 40~
50wt% melamine cyanurate and 50~60wt% deca-BDE.
8. the PVC cable material of flame-proof weather-resisting according to claim 1, which is characterized in that further include the N- of 1~3 parts by weight
Cyclohexyl -2-[4-morpholinodithio sulfenamide.
9. the PVC cable material of flame-proof weather-resisting according to claim 5, which is characterized in that the titanium carbide and lithium fluoride
Partial size is 70~90nm.
10. the PVC cable material of flame-proof weather-resisting according to claim 1, which is characterized in that the number of the ABS/PC alloy is equal
Molecular weight is 6000~6500g/mol.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925611A (en) * | 2020-08-28 | 2020-11-13 | 安徽天虹电缆有限公司 | Heat-resistant high-strength cable sheath and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006132452A1 (en) * | 2005-06-08 | 2006-12-14 | Ls Cable Ltd. | Halogen-free flame retardant composition for cable covering material and cable for railway vehicles using the same |
| CN103128945A (en) * | 2013-03-19 | 2013-06-05 | 佛山顾地塑胶有限公司 | Preparation method of heat-resistant PVC (polyvinyl chloride) casing pipe for buried high-voltage power cable |
| CN103524946A (en) * | 2013-10-17 | 2014-01-22 | 宁波一舟塑胶有限公司 | High-temperature-resistant thermoplastic polyvinyl chloride cable material and preparation method thereof |
-
2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006132452A1 (en) * | 2005-06-08 | 2006-12-14 | Ls Cable Ltd. | Halogen-free flame retardant composition for cable covering material and cable for railway vehicles using the same |
| CN103128945A (en) * | 2013-03-19 | 2013-06-05 | 佛山顾地塑胶有限公司 | Preparation method of heat-resistant PVC (polyvinyl chloride) casing pipe for buried high-voltage power cable |
| CN103524946A (en) * | 2013-10-17 | 2014-01-22 | 宁波一舟塑胶有限公司 | High-temperature-resistant thermoplastic polyvinyl chloride cable material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925611A (en) * | 2020-08-28 | 2020-11-13 | 安徽天虹电缆有限公司 | Heat-resistant high-strength cable sheath and preparation method thereof |
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Application publication date: 20190604 |