CN106750930A - A kind of electric wire flame-proofed thermoplastic elastomeric material and preparation method thereof - Google Patents
A kind of electric wire flame-proofed thermoplastic elastomeric material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：100 300 parts of EPDM, 40 160 parts of polypropylene, 30 100 parts of TPUE, 5 15 parts of compatilizer, 15 40 parts of organophosphorus ester, 5 10 parts of trimethyl phosphate, 5 20 parts of polyphenylene oxide, 10 60 parts of inorganic filler, 36 parts of silane coupler, 0.2 10 parts of crosslinking agent, active 15 parts of Zinc Oxide, 13 parts of antioxidant, 13 parts of ultra-violet absorber, 20 100 parts of processing oil, 26 parts of lubricant；The preparation method of the organophosphorus ester includes：Acrylic Dimethyl phosphate will be obtained after POCl3 and propenyl and methyl alcohol reaction, acrylic Dimethyl phosphate is carried out into olefinic polymerization, obtain the organophosphorus ester.In the present invention, the thermoplastic rubber material has excellent anti-flammability, heat-resisting quantity and pliability.
Description
Technical field
The present invention relates to technical field of rubber material, particularly a kind of electric wire with flame-proofed thermoplastic elastomeric material and its
Preparation method.
Background technology
Thermoplastic rubber material achieves significant progress for wires and cables industry in recent years, and in the market is proposed various
The thermoplastic rubber material of type, but be applied to the thermoplastic rubber material in terms of electric wire still there are problems that it is various,
The application of polyphenylene oxide provides good fire-retardant and electrical insulation capability, but polyphenylene oxide because viscosity is big, poor processability, color inhibition
Not enough the shortcomings of, limit its application in wires and cables industry.Patent publication No. is CN102414274A Chinese patent applications
Disclose based on thermoplastic rubber material and add the method for polyphenylene oxide and fire retardant and be prepared for a kind of wire cable material, this side
Method is obtained in that superior fire resistance, but but has considerable restraint for preparing more resistant to elevated temperatures fire proofing.
The content of the invention
Based on problem present in background technology, the present invention proposes a kind of electric wire flame-proofed thermoplastic elastomeric material
And preparation method thereof, the thermoplastic rubber material has excellent anti-flammability, heat-resisting quantity and pliability.
A kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：EPDM 100-300 parts, it is poly-
Propylene 40-160 parts, TPUE 30-100 parts, compatilizer 5-15 parts, organophosphorus ester 15-40 parts, tricresyl phosphate
Methyl esters 5-10 parts, polyphenylene oxide 5-20 parts, inorganic filler 10-60 parts, silane coupler 3-6 parts, crosslinking agent 0.2-10 parts, active zinc
1-5 parts, antioxidant 1-3 parts, ultra-violet absorber 1-3 parts, processing oil 20-100 parts, lubricant 2-6 parts of oxygen powder；
Wherein, the preparation method of the organophosphorus ester includes：After by POCl3 and propenyl and methyl alcohol reaction
To acrylic Dimethyl phosphate, acrylic Dimethyl phosphate is carried out into olefinic polymerization, obtain the organophosphorus ester.
Preferably, the preparation method of the organophosphorus ester includes：10 parts of POCl3s are added 50-70 parts by weight
Stirred in ether, 4-5 parts of propenyl and 8-10 parts of triethylamine stirring reaction 5-8h are added after being cooled to 0-5 DEG C, added
5-7 parts of methyl alcohol and 4-12 parts of triethylamine stirring reaction 2-4h, suction filtration, vacuum distillation obtain acrylic Dimethyl phosphate；By third
Alkenyl Dimethyl phosphate is stirred in adding 20-30 parts of water, and 1-3 parts of potassium peroxydisulfate and 1- are added after being warming up to 85-105 DEG C
3 parts of stirring polymerizations of Span -60, are cooled to room temperature after reaction 1-2h, suction filtration, washing is dried, and obtains the organophosphorus ester.
Preferably, the EPDM be by 20-40wt% Third monomer for ethenylidene ENB E type EPDMs
Rubber, the Third monomer of 40-60wt% are for the D types ethylene propylene diene rubber and the Third monomer of 10-20wt% of dicyclopentadiene
The H types ethylene propylene diene rubber composition of Isosorbide-5-Nitrae-hexadiene.
Preferably, the compatilizer is by by polypropylene-hydroxy-ethyl acrylate graft copolymer and terminal isocyanate group
Base polyurethane prepolymer for use as melt blending prepares to be formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is by polypropylene
With hydroxy-ethyl acrylate under conditions of peroxide is as crosslinking agent, it is heated to 170-190 DEG C of melting graft reaction and is formed.
Preferably, the inorganic filler be precipitated calcium carbonate, powdered whiting, kaolin, mica powder in one kind or
Various combinations；
Preferably, the silane coupler be silane resin acceptor kh-550, Silane coupling reagent KH-570, silane coupling A-
137th, one or more the combination in silane coupling A -151.
Preferably, the crosslinking agent be by weight proportion be 3-5:1 peroxide cross-linking agent and assistant crosslinking agent composition；
Preferably, the peroxide cross-linking agent is 2,5- dimethyl -2,5- bis(t-butylperoxy)s hexin, 2,5- bis-
At least one in methyl -2,5- bis(t-butylperoxy)s hexane, cumyl peroxide；The assistant crosslinking agent is polyesters
At least one in material, polybutadiene species, cyanate material, isocyanates material, esters of acrylic acid material.
Preferably, the antioxidant be antioxidant 1010, antioxidant 3114, antioxidant DSTP in one or more
Combination.
Preferably, the ultra-violet absorber is 2- (2 '-hydroxyl -3 ', 5 '-bis- (a, a- dimethyl benzyl) phenyl) benzo
One or more combination in triazole, 2- (2 '-hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) -5- chlorination BTAs；
Preferably, the processing oil is one or more the combination in paraffin oil, naphthenic oil, hydrocarbon oil；
Preferably, the lubricant is in ethylene bis stearic acid amide, oleamide, zinc stearate, calcium stearate
Plant or various combinations.
A kind of electric wire preparation method of flame-proofed thermoplastic elastomeric material, including：By EPDM, polypropylene, thermoplasticity
Polyurethane elastomer, compatilizer, organophosphorus ester, trimethyl phosphate, polyphenylene oxide, inorganic filler, silane coupler, antioxidant,
Banburying is uniform during ultra-violet absorber, processing oil and lubricant add banbury, is re-fed into carrying out first in single screw extrusion machine
Secondary plastics, wherein screw speed are 200-400r/min, and the processing temperature plasticated for the first time is 160-180 DEG C, is obtained after pelletizing
Rubber master batch；During the rubber master batch and crosslinking agent, active Zinc Oxide added into high mixer, in the speed conditions of 400-500rpm
Lower mixing 0.3-0.5h, transfers to and plasticated for the second time in double screw extruder, and wherein screw slenderness ratio is 55-64, is fed
Material rotating speed is 30-80rpm, and screw speed is 300-500rpm, and the processing temperature plasticated for the second time is 160-250 DEG C, and tie rod is cold
But, pelletizing, obtains the electric wire flame-proofed thermoplastic elastomeric material.
Preferably, the processing temperature plasticated for the second time is specially：One 160-190 DEG C of area's temperature, two area temperature 200-
210 DEG C, three 220-230 DEG C of area's temperature, four 240-250 DEG C of area's temperature, five 235-245 DEG C of area's temperature, six area temperature 220-230
DEG C, seven 210-220 DEG C of area's temperature, eight 205-215 DEG C of area's temperature, nine 200-210 DEG C of area's temperature.
In the present invention, using EPDM, polypropylene, TPUE as major ingredient, make rubber of the present invention
Material possesses excellent anti-flammability, resistance to elevated temperatures and weather resistance, and intensity is high, tear resistance is strong；Using specific proportioning
E types ethylene propylene diene rubber, D types ethylene propylene diene rubber and H types ethylene propylene diene rubber as the source of EPDM, make its stretching strong
Degree, bending modulus and cross-linked polymeric degree in for electric wire, can obtain excellent resistance to all in a rational state
Long property and machine-shaping property；Polyacrylic addition then not only enables that the elastomeric material obtains required melt forming
Intensity, and because polypropylene has good solvent resistance, heat resistance and processing fluidity, when being compounded with EPDM, can be with
Elastomeric material pliability in itself is substantially improved, so as to meet the performance requirement of electric wire；Simultaneously in order to improve thermoplastic poly
The similar compatibility performance of urethane elasticity, polypropylene and ethylene propylene diene rubber, the compatilizer added in the present invention passes through polypropylene-the third
Olefin(e) acid hydroxyl ethyl ester graft copolymer and terminal isocyanate group base polyurethane prepolymer for use as melt blending are obtained, due to being connect in graft copolymer
Condensation reaction can occur, generation one kind contains simultaneously between the NCO in the hydroxyl and base polyurethane prepolymer for use as of branch part
The macromolecular solubilizer of polypropylene backbone and polyurethane side chain, so that the polypropylene backbone of solubilizer can be with EPDM
Good combinations such as rubber, butadiene rubber, and polyurethane side chain can be combined with polyurethane elastomer again, i.e. the solubilizer energy
Enough significantly improve the binding ability between polypropylene and polyurethane elastomer so that each major ingredient in the present invention can be formed well
It is compatible, so as to be conducive to obtaining the body of rubber with compact texture, obtain good combination property；Hereafter the present invention in order to
The fire resistance of elastomeric material is improved, by adding by acrylic Dimethyl phosphate through the organophosphorus ester after olefinic polymerization,
The polyolefin structure included in one side organophosphorus ester, can be through the effect of above-mentioned compatilizer and comprising polyacrylic rubber master
Material forms good combination, and the advantage of this protrusion solves the problems, such as the precipitation that traditional hydroxide flame retardant brings, in not shadow
On the premise of ringing the compactness of elastomeric material main body, additionally it is possible to assign elastomeric material good fire resistance；On the other hand, this hair
It is bright middle above-mentioned organophosphorus ester and trimethyl phosphate, polyphenylene oxide are formed into good compounding to have obtained a kind of fire-retardant and synergistic in one
Efficient polymer-based fire retardant, so as to greatly improve flame retardant effect of the invention, and material is effectively improved polyphenylene oxide is played
While material resistance to elevated temperatures, influence will not be produced on the mechanical mechanics property of elastomeric material and processing characteristics；Further, the present invention
During the thermoplastic rubber material is prepared, using dynamic vulcanization technology, using organic peroxide cross-linking system as sulphur
Agent, can efficiently control the crosslinking degree and uniform performance of cross-linked material；And use the processing of plasticating under special parameter
Technique so that Blending Processes are more abundant, the rubber phase particle diameter in blend is smaller, is more evenly distributed, the entanglement of molecule interchain
Effect is smaller, and solution is twined relatively easily, is avoided because of mobility variation effect caused by elastomeric material over cure with this；The present invention
In be additionally added a certain amount of antioxidant, lubricant and ultra-violet absorber, thus make the thermoplastic rubber material for preparing
With good weather resistance and mechanical property.
Specific embodiment
Technical scheme is described in detail below by specific embodiment.
Embodiment 1
A kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：100 parts of EPDM, polypropylene
160 parts, 30 parts of TPUE, 15 parts of compatilizer, 15 parts of organophosphorus ester, 10 parts of trimethyl phosphate, polyphenylene oxide 5
Part, 60 parts of inorganic filler, 3 parts of silane coupler, 10 parts of crosslinking agent, active 1 part of Zinc Oxide, 3 parts of antioxidant, ultra-violet absorber
1 part, 100 parts of processing oil, 2 parts of lubricant；
Wherein, the EPDM be by 20wt% Third monomer for ethenylidene ENB E types ethylene propylene diene rubber,
The Third monomer of 60wt% is Isosorbide-5-Nitrae-hexadiene for the D types ethylene propylene diene rubber of dicyclopentadiene and the Third monomer of 20wt%
H types ethylene propylene diene rubber is constituted；The compatilizer be by by polypropylene-hydroxy-ethyl acrylate graft copolymer and end isocyanic acid
Ester-based polyurethane performed polymer melt blending prepares to be formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is will be poly-
Propylene and hydroxy-ethyl acrylate are heated to 170 DEG C of melting graft reactions and are formed under conditions of peroxide is as crosslinking agent；
The preparation method of the organophosphorus ester includes：Stirred during 10 parts of POCl3s are added into 50 parts of ether by weight
Uniformly, 4 parts of propenyls and 10 parts of triethylamine stirring reaction 5h are added after being cooled to 5 DEG C, 7 parts of methyl alcohol and 4 parts of triethylamines are added
Stirring reaction 4h, suction filtration, vacuum distillation obtains acrylic Dimethyl phosphate；Acrylic Dimethyl phosphate is added 20 parts
Stirred in water, 1 part of potassium peroxydisulfate and 3 parts of stirring polymerizations of Span -60 are added after being warming up to 105 DEG C, be cooled to after reaction 1h
Room temperature, suction filtration, washing is dried, and obtains the organophosphorus ester；
The inorganic filler is precipitated calcium carbonate；The silane coupler is silane resin acceptor kh-550；The crosslinking agent
Be by weight proportion be 3:1 2,5- dimethyl -2,5- bis(t-butylperoxy)s hexin and polyesters material composition；It is described anti-
Oxygen agent is antioxidant 1010；The ultra-violet absorber is 2- (2 '-hydroxyl -3 ', 5 '-bis- (a, a- dimethyl benzyl) phenyl) benzene
And triazole；The processing oil is paraffin oil；The lubricant is ethylene bis stearic acid amide.
Embodiment 2
A kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：300 parts of EPDM, polypropylene
40 parts, 100 parts of TPUE, 5 parts of compatilizer, 40 parts of organophosphorus ester, 5 parts of trimethyl phosphate, polyphenylene oxide 20
Part, 10 parts of inorganic filler, 6 parts of silane coupler, 0.2 part of crosslinking agent, active 5 parts of Zinc Oxide, 1 part of antioxidant, ultraviolet radiation absorption
3 parts of agent, 20 parts of processing oil, 6 parts of lubricant；
Wherein, the EPDM be by 40wt% Third monomer for ethenylidene ENB E types ethylene propylene diene rubber,
The Third monomer of 40wt% is Isosorbide-5-Nitrae-hexadiene for the D types ethylene propylene diene rubber of dicyclopentadiene and the Third monomer of 20wt%
H types ethylene propylene diene rubber is constituted；The compatilizer be by by polypropylene-hydroxy-ethyl acrylate graft copolymer and end isocyanic acid
Ester-based polyurethane performed polymer melt blending prepares to be formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is will be poly-
Propylene and hydroxy-ethyl acrylate are heated to 190 DEG C of melting graft reactions and are formed under conditions of peroxide is as crosslinking agent；
The preparation method of the organophosphorus ester includes：Stirred during 10 parts of POCl3s are added into 70 parts of ether by weight
Uniformly, 5 parts of propenyls and 8 parts of triethylamine stirring reaction 8h are added after being cooled to 0 DEG C, 5 parts of methyl alcohol and 12 parts of triethylamines are added
Stirring reaction 2h, suction filtration, vacuum distillation obtains acrylic Dimethyl phosphate；Acrylic Dimethyl phosphate is added 30 parts
Stirred in water, 3 parts of potassium peroxydisulfates and 1 part of stirring polymerization of Span -60 are added after being warming up to 85 DEG C, room is cooled to after reaction 2h
Temperature, suction filtration, washing is dried, and obtains the organophosphorus ester；
The inorganic filler is powdered whiting；The silane coupler is Silane coupling reagent KH-570；The crosslinking agent
Be by weight proportion be 5:1 2,5- dimethyl -2,5- bis(t-butylperoxy)s hexane and polybutadiene species composition；Institute
Antioxidant is stated for antioxidant 3114；The ultra-violet absorber is 2- (2 '-hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) -5- chlorinations
BTA；The processing oil is naphthenic oil；The lubricant is oleamide.
Embodiment 3
A kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：200 parts of EPDM, polypropylene
100 parts, 60 parts of TPUE, 10 parts of compatilizer, 20 parts of organophosphorus ester, 7 parts of trimethyl phosphate, polyphenylene oxide 12
Part, 35 parts of inorganic filler, 4 parts of silane coupler, 5 parts of crosslinking agent, active 3 parts of Zinc Oxide, 2 parts of antioxidant, ultra-violet absorber 2
Part, 60 parts of processing oil, 4 parts of lubricant；
Wherein, the EPDM be by 30wt% Third monomer for ethenylidene ENB E types ethylene propylene diene rubber,
The Third monomer of 60wt% is Isosorbide-5-Nitrae-hexadiene for the D types ethylene propylene diene rubber of dicyclopentadiene and the Third monomer of 10wt%
H types ethylene propylene diene rubber is constituted；The compatilizer be by by polypropylene-hydroxy-ethyl acrylate graft copolymer and end isocyanic acid
Ester-based polyurethane performed polymer melt blending prepares to be formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is will be poly-
Propylene and hydroxy-ethyl acrylate are heated to 180 DEG C of melting graft reactions and are formed under conditions of peroxide is as crosslinking agent；
The preparation method of the organophosphorus ester includes：Stirred during 10 parts of POCl3s are added into 60 parts of ether by weight
Uniformly, 4.5 parts of propenyls and 9 parts of triethylamine stirring reaction 6h are added after being cooled to 2 DEG C, 6 parts of methyl alcohol and 8 parts of triethylamines are added
Stirring reaction 3h, suction filtration, vacuum distillation obtains acrylic Dimethyl phosphate；Acrylic Dimethyl phosphate is added 25 parts
Stirred in water, 2 parts of potassium peroxydisulfates and 2 parts of stirring polymerizations of Span -60 are added after being warming up to 95 DEG C, be cooled to after reaction 1.5h
Room temperature, suction filtration, washing is dried, and obtains the organophosphorus ester；
The inorganic filler is kaolin；The silane coupler is silane coupling A -137；The crosslinking agent is by weight
Amount proportioning is 4:1 cumyl peroxide and cyanate material composition；The antioxidant is antioxidant DSTP；It is described ultraviolet
Light absorbers are 2- (2 '-hydroxyl -3 ', 5 '-bis- (a, a- dimethyl benzyl) phenyl) BTA；The processing oil is aromatic hydrocarbon
Oil；The lubricant is zinc stearate and calcium stearate.
Embodiment 4
A kind of electric wire flame-proofed thermoplastic elastomeric material, its raw material includes by weight：250 parts of EPDM, polypropylene
120 parts, 70 parts of TPUE, 8 parts of compatilizer, 25 parts of organophosphorus ester, 8 parts of trimethyl phosphate, polyphenylene oxide 13
Part, 40 parts of inorganic filler, 5 parts of silane coupler, 6 parts of crosslinking agent, active 4 parts of Zinc Oxide, 1.5 parts of antioxidant, ultraviolet radiation absorption
2.5 parts of agent, 70 parts of processing oil, 3 parts of lubricant；
Wherein, the EPDM be by 40wt% Third monomer for ethenylidene ENB E types ethylene propylene diene rubber,
The Third monomer of 45wt% is Isosorbide-5-Nitrae-hexadiene for the D types ethylene propylene diene rubber of dicyclopentadiene and the Third monomer of 15wt%
H types ethylene propylene diene rubber is constituted；The compatilizer be by by polypropylene-hydroxy-ethyl acrylate graft copolymer and end isocyanic acid
Ester-based polyurethane performed polymer melt blending prepares to be formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is will be poly-
Propylene and hydroxy-ethyl acrylate are heated to 185 DEG C of melting graft reactions and are formed under conditions of peroxide is as crosslinking agent；
The preparation method of the organophosphorus ester includes：Stirred during 10 parts of POCl3s are added into 55 parts of ether by weight
Uniformly, 4.5 parts of propenyls and 8.5 parts of triethylamine stirring reaction 7h are added after being cooled to 3 DEG C, 6 parts of methyl alcohol and 10 part three is added
Ethamine stirring reaction 2.5h, suction filtration, vacuum distillation obtains acrylic Dimethyl phosphate；Acrylic Dimethyl phosphate is added
To enter stir in 26 parts of water, 1.5 parts of potassium peroxydisulfates and 2.5 parts of stirring polymerizations of Spans -60, reaction are added after being warming up to 90 DEG C
Room temperature is cooled to after 1.6h, suction filtration, washing is dried, and obtains the organophosphorus ester；
The inorganic filler is kaolin and mica powder；The silane coupler is silane coupling A -151；The crosslinking
Agent be by weight proportion be 4:1 peroxide cross-linking agent and assistant crosslinking agent composition, the peroxide cross-linking agent is 2,5- bis-
Methyl -2,5- bis(t-butylperoxy)s hexin and cumyl peroxide；The assistant crosslinking agent be isocyanates material and
Esters of acrylic acid material；The antioxidant is antioxidant 1010 and antioxidant DSTP；The ultra-violet absorber is 2- (2 '-hydroxyls
Base -3 ', 5 '-bis- (a, a- dimethyl benzyl) phenyl) BTA and 2- (2 '-hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) -5- chlorine
Change BTA；The processing oil is paraffin oil and hydrocarbon oil；The lubricant is zinc stearate and calcium stearate.
The preparation method of flame-proofed thermoplastic elastomeric material of electric wire described in above-described embodiment 1-4, including：By EPDM,
Polypropylene, TPUE, compatilizer, organophosphorus ester, trimethyl phosphate, polyphenylene oxide, inorganic filler, silane idol
Banburying is uniform during connection agent, antioxidant, ultra-violet absorber, processing oil and lubricant add banbury, is re-fed into Single screw extrusion
First time plastics are carried out in machine, wherein screw speed is 200-400r/min, and the processing temperature plasticated for the first time is 160-180
DEG C, rubber master batch is obtained after pelletizing；During the rubber master batch and crosslinking agent, active Zinc Oxide added into high mixer, in 400-
Mix 0.3-0.5h under the speed conditions of 500rpm, transfer to and plasticated for the second time in double screw extruder, wherein screw rod
Draw ratio is 55-64, and feeding rotating speed is 30-80rpm, and screw speed is 300-500rpm, and the processing temperature plasticated for the second time is
160-250 DEG C, tie rod, cooling, pelletizing obtains the electric wire flame-proofed thermoplastic elastomeric material；Wherein, described second
The processing temperature plasticated is specially：One 160-190 DEG C of area's temperature, two 200-210 DEG C of area's temperature, three 220-230 DEG C of area's temperature, four
240-250 DEG C of area's temperature, five 235-245 DEG C of area's temperature, six 220-230 DEG C of area's temperature, seven 210-220 DEG C of area's temperature, eight area's temperature
Degree 205-215 DEG C, nine 200-210 DEG C of area's temperature.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of electric wire flame-proofed thermoplastic elastomeric material, it is characterised in that its raw material includes by weight：EPDM
100-300 parts, polypropylene 40-160 parts, TPUE 30-100 parts, compatilizer 5-15 parts, organophosphorus ester
15-40 parts, trimethyl phosphate 5-10 parts, polyphenylene oxide 5-20 parts, inorganic filler 10-60 parts, silane coupler 3-6 parts, crosslinking agent
0.2-10 parts, active 1-5 parts of Zinc Oxide, antioxidant 1-3 parts, ultra-violet absorber 1-3 parts, processing oil 20-100 parts, lubricant
2-6 parts；
Wherein, the preparation method of the organophosphorus ester includes：Third will be obtained after POCl3 and propenyl and methyl alcohol reaction
Alkenyl Dimethyl phosphate, olefinic polymerization is carried out by acrylic Dimethyl phosphate, obtains the organophosphorus ester.
2. electric wire according to claim 1 flame-proofed thermoplastic elastomeric material, it is characterised in that the organic phosphoric acid
The preparation method of ester includes：Stirred during 10 parts of POCl3s are added into 50-70 parts of ether by weight, be cooled to 0-5 DEG C
4-5 parts of propenyl and 8-10 parts of triethylamine stirring reaction 5-8h are added afterwards, add 5-7 parts of methyl alcohol and 4-12 parts of triethylamine stirring
Reaction 2-4h, suction filtration, vacuum distillation obtains acrylic Dimethyl phosphate；Acrylic Dimethyl phosphate is added 20-30 parts
Stirred in water, 1-3 parts of potassium peroxydisulfate and the 1-3 parts of stirring polymerization of Span -60 are added after being warming up to 85-105 DEG C, react 1-2h
After be cooled to room temperature, suction filtration, washing is dried, and obtains the organophosphorus ester.
3. electric wire according to claim 1 and 2 flame-proofed thermoplastic elastomeric material, it is characterised in that the EPDM
Be by the Third monomer of 20-40wt% be the E types ethylene propylene diene rubber of ethenylidene ENB, 40-60wt% it is the 3rd single
Body is the H type EPDMs of Isosorbide-5-Nitrae-hexadiene for the D types ethylene propylene diene rubber of dicyclopentadiene and the Third monomer of 10-20wt%
Rubber is constituted.
4. the electric wire flame-proofed thermoplastic elastomeric material according to claim any one of 1-3, it is characterised in that described
Compatilizer is by by polypropylene-hydroxy-ethyl acrylate graft copolymer and terminal isocyanate group base polyurethane prepolymer for use as melt blending
Prepare and formed, wherein the polypropylene-hydroxy-ethyl acrylate graft copolymer is in peroxide by polypropylene and hydroxy-ethyl acrylate
Under conditions of compound is as crosslinking agent, it is heated to 170-190 DEG C of melting graft reaction and is formed.
5. the electric wire flame-proofed thermoplastic elastomeric material according to claim any one of 1-4, it is characterised in that described
Inorganic filler is one or more the combination in precipitated calcium carbonate, powdered whiting, kaolin, mica powder；
Preferably, the silane coupler be silane resin acceptor kh-550, Silane coupling reagent KH-570, silane coupling A -137,
One or more combination in silane coupling A -151.
6. the electric wire flame-proofed thermoplastic elastomeric material according to claim any one of 1-5, it is characterised in that described
Crosslinking agent be by weight proportion be 3-5:1 peroxide cross-linking agent and assistant crosslinking agent composition；
Preferably, the peroxide cross-linking agent is 2,5- dimethyl -2,5- bis(t-butylperoxy)s hexin, 2,5- diformazans
At least one in base -2,5- bis(t-butylperoxy)s hexane, cumyl peroxide；The assistant crosslinking agent is polyesters thing
At least one in matter, polybutadiene species, cyanate material, isocyanates material, esters of acrylic acid material.
7. the electric wire flame-proofed thermoplastic elastomeric material according to claim any one of 1-6, it is characterised in that described
Antioxidant is one or more the combination in antioxidant 1010, antioxidant 3114, antioxidant DSTP.
8. the electric wire flame-proofed thermoplastic elastomeric material according to claim any one of 1-7, it is characterised in that described
Ultra-violet absorber be 2- (2 '-hydroxyl -3 ', 5 '-bis- (a, a- dimethyl benzyl) phenyl) BTA, 2- (2 '-hydroxyl -3 ',
5 '-di-tert-butyl-phenyl) one or more combination in -5- chlorination BTAs；
Preferably, the processing oil is one or more the combination in paraffin oil, naphthenic oil, hydrocarbon oil；
Preferably, the lubricant be ethylene bis stearic acid amide, oleamide, zinc stearate, calcium stearate in one kind or
The various combination of person.
9. a kind of electric wire according to claim any one of 1-8 preparation method of flame-proofed thermoplastic elastomeric material,
It is characterised in that it includes：By EPDM, polypropylene, TPUE, compatilizer, organophosphorus ester, tripotassium phosphate
Ester, polyphenylene oxide, inorganic filler, silane coupler, antioxidant, ultra-violet absorber, processing oil and lubricant are added in banbury
Banburying is uniform, is re-fed into carrying out first time plastics in single screw extrusion machine, and wherein screw speed is 200-400r/min, for the first time
The processing temperature plasticated is 160-180 DEG C, and rubber master batch is obtained after pelletizing；By the rubber master batch and crosslinking agent, active zinc oxygen
Powder is added in high mixer, and 0.3-0.5h is mixed under the speed conditions of 400-500rpm, is transferred to and enter in double screw extruder
Row is plasticated for the second time, and wherein screw slenderness ratio is 55-64, and feeding rotating speed is 30-80rpm, and screw speed is 300-500rpm, the
The secondary processing temperature plasticated is 160-250 DEG C, and tie rod, cooling, pelletizing obtains the electric wire flame-proofed thermoplastic rubber
Material.
10. the electric wire according to claim 9 preparation method of flame-proofed thermoplastic elastomeric material, moulds for described second
The processing temperature of refining is specially：One 160-190 DEG C of area's temperature, two 200-210 DEG C of area's temperature, three 220-230 DEG C of area's temperature, 4th area
240-250 DEG C of temperature, five 235-245 DEG C of area's temperature, six 220-230 DEG C of area's temperature, seven 210-220 DEG C of area's temperature, eight area's temperature
205-215 DEG C, nine 200-210 DEG C of area's temperature.
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