CN108912459A - A kind of super cold resistant poly-ethylene cable material - Google Patents
A kind of super cold resistant poly-ethylene cable material Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L23/06—Polyethene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The present invention relates to technical field of electric wires and cables, and in particular to a kind of super cold resistant poly-ethylene cable material.The component of CABLE MATERIALS includes：High density polyethylene (HDPE), linear low density polyethylene, inorganic filler, cold-resistant toughened dose, polyethylene wax, vinyltriethoxysilane, cumyl peroxide, fire retardant, coupling agent, ultraviolet absorbing agent and antioxidant.Wherein, cold-resistant toughened dose is a kind of by the compound new material being prepared such as a variety of elastomeric materials and high rigidity filler；Ultraviolet absorbing agent is light stabilizer AM-101, light stabilizer 744, ultraviolet absorbent UV-531 or ultraviolet absorbing agent UVP-327；Antioxidant is antioxidant 164, antioxidant 1076, antioxidant DNP or antioxidant TNP；The type CABLE MATERIALS has cold tolerance outstanding, can keep good toughness and intensity at low ambient temperatures；Brittle, cracking is not allowed.
Description
Technical field
The present invention relates to technical field of electric wires and cables, and in particular to a kind of super cold resistant poly-ethylene cable material.
Background technique
Cable includes that power cable, control cable, compensating cable, shielded cable, signal cable etc. be not of the same race depending on the application
Class, CABLE MATERIALS are being commonly called as wire cable insulating and sheath plastics, high molecular material used mainly have polyolefin, fluoroplastics,
Chlorinated polyether, rubber and polyamide etc., this kind of high molecular material have light weight, good insulation preformance, resistant to chemical etching, Yi Jia
The features such as work, excellent mechanics and anti-fatigue performance.Polyolefin cable is the most common universal cable currently on the market, this electricity
The comprehensive performance of cable is relatively outstanding, production cost also relative moderate, has application in all types of wire and cable production.
China is a kind of geographical wide country, and national territorial area crosses over the area of a variety of topography and geomorphologies and climate characteristic, most
The through north frigid zone range in the north, most southern to be located at torrid areas, the temperature condition of these different regions is widely different, therefore it is required that
The performance difference of the cable used is also very high.In some regions in some the north, the temperature in winter reaches subzero four or five ten degree.
Under such temperature condition, low temperature brittleness phenomenon, the cable after low temperature brittleness can all occur for most of universal CABLE MATERIALS
The toughness of material is very poor, is easily broken off when by external force, to influence the safe operation of electric power network.It was used routinely
Cheng Zhong, the cable outer layer of low temp area can wind thermal insulation material, and be laid with by the way of buried, or even in special feelings
It can be kept the temperature by the way of cable heat production under condition；Although this protection and mounting process effectively solve low temperature pair
The freeze injury problem of cable；But it can also greatly improve the operating cost of the laying of power grid.
101942136 B of invention patent mandate notification number CN discloses a kind of energy conservation and environmental protection resistant to environmental cracking polyethylene electricity
Cable material, the component of the CABLE MATERIALS include recycled polyethylene, linear polyethylene resin and high-density polyethylene resin, antioxidant
1010, irgasfos 168, rheological agent, color masterbatch, ultraviolet absorbing agent and PE wax；Pass through the better high density polyethylene (HDPE) of cold resistance
With the use of linear polyethylene, to promote the resistance to low temperature of CABLE MATERIALS, but due to the lower temperature resistance of polythene material itself
It does not protrude, therefore the cold tolerance for obtaining CABLE MATERIALS is still limited.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of super cold resistant poly-ethylene cable material, type electricity
Cable material has cold tolerance outstanding, can keep good toughness and intensity at low ambient temperatures；Brittle, cracking is not allowed.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of super cold resistant poly-ethylene cable material, according to mass fraction, the component of CABLE MATERIALS includes：High density polyethylene (HDPE)
80-90 parts, 20-30 parts of linear low density polyethylene, 15-25 parts of inorganic filler, cold-resistant toughened dose 25-35 parts, polyethylene wax 1-3
Part, 1.5-1.9 parts of vinyltriethoxysilane, 0.3-0.6 parts of cumyl peroxide, 3-7 parts of fire retardant, coupling agent 1-2
Part, 0.2-0.5 parts of ultraviolet absorbing agent, 0.1-0.8 parts of antioxidant.
Preferably, according to mass fraction, the component of CABLE MATERIALS includes：84-87 parts of high density polyethylene (HDPE), linea low density is poly-
23-26 parts of ethylene, 18-23 parts of inorganic filler, cold-resistant toughened dose 28-32 parts, 1.7-2.5 parts of polyethylene wax, three ethoxy of vinyl
1.6-1.8 parts of base silane, 0.4-0.5 parts of cumyl peroxide, 4-6 parts of fire retardant, 1.3-1.8 parts of coupling agent, ultraviolet light is inhaled
Receive agent 0.2-0.4 parts, 0.4-0.7 parts of antioxidant.
It is further preferred that according to mass fraction, the component of CABLE MATERIALS includes：It is 85 parts of high density polyethylene (HDPE), linear low close
25 parts of polyethylene of degree, 20 parts of inorganic filler, cold-resistant toughened dose 30 parts, 2.3 parts of polyethylene wax, vinyltriethoxysilane 1.7
Part, 0.5 part of cumyl peroxide, 5 parts of fire retardant, 1.6 parts of coupling agent, 0.3 part of ultraviolet absorbing agent, 0.6 part of antioxidant.
In the present invention, cold-resistant toughened dose of preparation method includes the following steps：
(1) according to mass fraction, the temperature in reaction kettle is increased to 150-180 DEG C, is then charged with nitrogen atmosphere progress
Protection, 100 parts of adipic acids, 73 portions of diethylene glycol (DEG)s and 0.5g potassium fluotitanate catalyst are added in reaction kettle, are increased in reaction kettle
Temperature keeps the temperature simultaneously esterification 7-8h to 200-205 DEG C, and by product distillation purifying, 0.8 part of titanium is added into product after purification
Isopropyl propionate, the polycondensation reaction 5-7h under 225-230 DEG C, 65-70Pa air pressure conditions, obtains performed polymer, so again into reaction kettle
2.5g chain extender is added, 8-10h is stirred with 260-270 DEG C of temperature, obtains required elastomer A；
(2) by Heveatex, hydroxylating styrene-butadiene latex and acrylic latex according to 3:5:1 mass ratio mixing, then to
The casein of 0.5wt% and the converted starch of 2wt% are added in latex, is uniformly dispersed, obtaining required solid content is 50% to answer
Close latex, will be bis- (3,4- dimethylbenzylidene) sorbierite be added in the deionized water of 2 times of quality and disperse, obtain nucleating agent
20 parts of nucleation agent emulsions and 80 parts of compounded latexs are mixed, then by mixture lotion, are sprayed by spray dryer by lotion
Mist is dried to obtain rubber powder B；
(3) poly- fluorocarbons is handled into 15-20min with 350-400 DEG C of preheating temperature, is then reduced to room temperature；According to 8:
4:1:1:1 mass ratio mixes silica, barium sulfate, aluminium nitride, titanium boride and poly- fluorocarbons, then adds into mixture
Enter alcohol, the wet-milling 4-5h in planetary ball mill, the powder after ball milling is dried with 80-82 DEG C of temperature, obtains required filler；
(4) by 55 parts of elastomer A, 20 parts of rubber powder B, 15 parts of inclined fluoroether rubbers, 9.5 parts of styrene-isoprenes-benzene second
Alkene block copolymer, 70 parts of fillers and 6 parts of crosslinking agents are added in mixer, with 160-165 DEG C of temperature mixing 15-20min,
Then it feeds the mixture into baking oven again, under ultraviolet light irradiation, 1.5-2h is reacted with 180-185 DEG C of temperature crosslink, out
Granulation and cooling are plasticized after furnace again, cold-resistant toughened dose needed for obtaining.
Wherein, chain extender used in step (1) is ethylenediamine or trimethylolpropane.
Crosslinking agent used in step (4) is para-aminophenol, double -3,4- tetramethyl triaminotriphenyl methane NH2s or tetraphenyltin.
Preferably, it is 3 that fire retardant, which is mass ratio,:1 aluminium hydroxide and the mixture of antimony oxide.
Preferably, ultraviolet absorbing agent be light stabilizer AM-101, light stabilizer 744, ultraviolet absorbent UV-531 and
One of ultraviolet absorbing agent UVP-327.
Preferably, antioxidant is one of antioxidant 164, antioxidant 1076, antioxidant DNP and antioxidant TNP.
The preparation method of CABLE MATERIALS provided by the invention is：
According to mass fraction, by high density polyethylene (HDPE), linear low density polyethylene, cold-resistant toughened dose, three ethoxy of vinyl
Base silane and cumyl peroxide are added in high-speed kneading machine, and with 125-135 DEG C of temperature, high-speed kneading 6-10min is right
Polyethylene wax, inorganic filler, fire retardant, coupling agent are added in high-speed kneading machine afterwards, 10- is kneaded with identical temperature
Finally ultraviolet absorbing agent and antioxidant are added by 15min, continue to be kneaded 3-5min, discharge feeds the mixture into twin-screw
Mixing extrusion in extruder, plasticizing are granulated, and obtain required CABLE MATERIALS.
The present invention has following beneficial effect：
Resin material in CABLE MATERIALS of the invention preferred softening temperature with higher and melting temperature, intensity is big,
Good toughness, big, heat-resisting, the better high density polyethylene (HDPE) of cold resistance of rigidity and linear low density polyethylene, therefore the basis of cable
Performance is more prominent.In addition, also added one in CABLE MATERIALS to further increase the cold tolerance of CABLE MATERIALS and toughness of material
Special cold-resistant toughened dose is planted, which is by the compound novel-section being prepared such as the high rigidity filler of a variety of elastomeric materials
Material, under the crosslinked action of vinyltriethoxysilane and cumyl peroxide, cold-resistant toughened dose can be with polyethylene tree
Good fusion occurs for rouge, so that the tensile strength and resistance to low temperature of CABLE MATERIALS are improved, so that CABLE MATERIALS is in extremely low temperature
Good toughness and stability can be still kept under degree, brittle will not be denaturalized.
Polyethylene wax in CABLE MATERIALS is a kind of chemical materials formed by vinyl polymerization rubber processing agent, polyethylene wax
It is good with polyethylene and cold-resistant toughened dose of compatibility, polyethylene mobility can be improved, addition can be used as lubricant in the feed,
Its chemical property is stable, electrical property is good.The effect of inorganic filler is to promote the mechanical strength of the weather resistance of CABLE MATERIALS；Antioxygen
Agent and ultraviolet absorbing agent can play synergistic effect, promote the anti-aging property of CABLE MATERIALS, and that improves CABLE MATERIALS uses the longevity
Life.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
In following embodiment, cold-resistant toughened dose of preparation method includes the following steps：
(1) according to mass fraction, the temperature in reaction kettle is increased to 170 DEG C, nitrogen atmosphere is then charged with and is protected,
100 parts of adipic acids, 73 portions of diethylene glycol (DEG)s and 0.5g potassium fluotitanate catalyst are added in reaction kettle, increase reactor temperature extremely
200-205 DEG C, simultaneously esterification 7.5h is kept the temperature, by product distillation purifying, 0.8 part of metatitanic acid isopropyl is added into product after purification
Ester, the polycondensation reaction 6h under 230 DEG C, 65Pa air pressure conditions, obtains performed polymer, and 2.5g chain extender is so added into reaction kettle again,
9h is stirred with 270 DEG C of temperature, obtains required elastomer A；
(2) by Heveatex, hydroxylating styrene-butadiene latex and acrylic latex according to 3:5:1 mass ratio mixing, then to
The casein of 0.5wt% and the converted starch of 2wt% are added in latex, is uniformly dispersed, obtaining required solid content is 50% to answer
Close latex, will be bis- (3,4- dimethylbenzylidene) sorbierite be added in the deionized water of 2 times of quality and disperse, obtain nucleating agent
20 parts of nucleation agent emulsions and 80 parts of compounded latexs are mixed, then by mixture lotion, are sprayed by spray dryer by lotion
Mist is dried to obtain rubber powder B；
(3) poly- fluorocarbons is handled into 17min with 380 DEG C of preheating temperature, is then reduced to room temperature；According to 8:4:1:1:1
Mass ratio by silica, barium sulfate, aluminium nitride, titanium boride and poly- fluorocarbons mix, alcohol is then added into mixture,
The wet-milling 5h in planetary ball mill, the powder after ball milling are dried with 80 DEG C of temperature, obtain required filler；
(4) by 55 parts of elastomer A, 20 parts of rubber powder B, 15 parts of inclined fluoroether rubbers, 9.5 parts of styrene-isoprenes-benzene second
Alkene block copolymer, 70 parts of fillers and 6 parts of crosslinking agents are added in mixer, with 160 DEG C of temperature mixing 15min, then again
It feeds the mixture into baking oven, under ultraviolet light irradiation, 2h is reacted with 180 DEG C of temperature crosslink, is plasticized granulation after coming out of the stove again
And it is cooling, cold-resistant toughened dose needed for obtaining.
Wherein, chain extender used in step (1) is trimethylolpropane.
Crosslinking agent used in step (4) is tetraphenyltin.
Embodiment 1
A kind of super cold resistant poly-ethylene cable material, according to mass fraction, the component of CABLE MATERIALS includes：High density polyethylene (HDPE) 80
Part, 20 parts of linear low density polyethylene, 15 parts of inorganic filler, cold-resistant toughened dose 25 parts, 1 part of polyethylene wax, three ethoxy of vinyl
1.5 parts of base silane, 0.3 part of cumyl peroxide, 3 parts of fire retardant, 1 part of coupling agent, 0.2 part of ultraviolet absorbing agent, antioxidant
0.1 part.
Wherein, it is 3 that fire retardant, which is mass ratio,:1 aluminium hydroxide and the mixture of antimony oxide.
Ultraviolet absorbing agent is light stabilizer AM-101.
Antioxidant is antioxidant 164.
The preparation method of CABLE MATERIALS provided in this embodiment is：
According to mass fraction, by high density polyethylene (HDPE), linear low density polyethylene, cold-resistant toughened dose, three ethoxy of vinyl
Base silane and cumyl peroxide are added in high-speed kneading machine, and with 125 DEG C of temperature, high-speed kneading 6min is then by poly- second
Alkene wax, inorganic filler, fire retardant, coupling agent are added in high-speed kneading machine, are kneaded 10min with identical temperature, finally will be purple
Ultraviolet absorbers and antioxidant are added, and continue to be kneaded 3min, discharge feeds the mixture into be kneaded in double screw extruder and squeeze
Out, plasticizing is granulated, and obtains required CABLE MATERIALS.
Embodiment 2
A kind of super cold resistant poly-ethylene cable material, according to mass fraction, the component of CABLE MATERIALS includes：High density polyethylene (HDPE) 90
Part, 30 parts of linear low density polyethylene, 25 parts of inorganic filler, cold-resistant toughened dose 35 parts, 3 parts of polyethylene wax, three ethoxy of vinyl
1.9 parts of base silane, 0.6 part of cumyl peroxide, 7 parts of fire retardant, 2 parts of coupling agent, 0.5 part of ultraviolet absorbing agent, antioxidant
0.8 part.
Wherein, it is 3 that fire retardant, which is mass ratio,:1 aluminium hydroxide and the mixture of antimony oxide.
Ultraviolet absorbing agent is light stabilizer 744.
Antioxidant is antioxidant 1076.
The preparation method of CABLE MATERIALS provided in this embodiment is：
According to mass fraction, by high density polyethylene (HDPE), linear low density polyethylene, cold-resistant toughened dose, three ethoxy of vinyl
Base silane and cumyl peroxide are added in high-speed kneading machine, and with 135 DEG C of temperature, then high-speed kneading 10min will gather
Ethylene waxes, inorganic filler, fire retardant, coupling agent are added in high-speed kneading machine, are kneaded 15min with identical temperature, finally will
Ultraviolet absorbing agent and antioxidant are added, and continue to be kneaded 5min, discharge feeds the mixture into be kneaded in double screw extruder and squeeze
Out, plasticizing is granulated, and obtains required CABLE MATERIALS.
Embodiment 3
A kind of super cold resistant poly-ethylene cable material, according to mass fraction, the component of CABLE MATERIALS includes：High density polyethylene (HDPE) 85
Part, 25 parts of linear low density polyethylene, 20 parts of inorganic filler, cold-resistant toughened dose 30 parts, 2.3 parts of polyethylene wax, three second of vinyl
1.7 parts of oxysilane, 0.5 part of cumyl peroxide, 5 parts of fire retardant, 1.6 parts of coupling agent, 0.3 part of ultraviolet absorbing agent, resist
0.6 part of oxygen agent.
Wherein, it is 3 that fire retardant, which is mass ratio,:1 aluminium hydroxide and the mixture of antimony oxide.
Ultraviolet absorbing agent is ultraviolet absorbing agent UVP-327.
Antioxidant is antioxidant TNP.
The preparation method of CABLE MATERIALS provided in this embodiment is：
According to mass fraction, by high density polyethylene (HDPE), linear low density polyethylene, cold-resistant toughened dose, three ethoxy of vinyl
Base silane and cumyl peroxide are added in high-speed kneading machine, and with 130 DEG C of temperature, high-speed kneading 8min is then by poly- second
Alkene wax, inorganic filler, fire retardant, coupling agent are added in high-speed kneading machine, are kneaded 13min with identical temperature, finally will be purple
Ultraviolet absorbers and antioxidant are added, and continue to be kneaded 4min, discharge feeds the mixture into be kneaded in double screw extruder and squeeze
Out, plasticizing is granulated, and obtains required CABLE MATERIALS.
Performance test
According to IEC 60811-1-1-1993《Cable insulation and sheath material GENERAL EXPERIMENTATION》With GB 1040-92《Modeling
Expect Erichsen test method》Etc. method in testing standards, performance detection is carried out to the CABLE MATERIALS of the present embodiment, wherein choosing
Select Shanghai Bang Su International Trading Company Ltd sale 8150 type general wire & cable material of Dow as a control group, progressive
It can compare, test experiments result is as follows：
Table 1：The performance test results of CABLE MATERIALS in the present embodiment and control group
Analyze the above experimental data discovery, its tensile strength, elongation at break and the tearing of CABLE MATERIALS provided by the invention
Intensity is better than the CABLE MATERIALS of control group, and mechanical property is very prominent, has a good toughness, bend-resistance, stretch-proof, tear-proof spy
Point；The glass transition temperature of the type CABLE MATERIALS is lower, and resistance to low temperature is higher；Under -40 DEG C of low-temperature condition, CABLE MATERIALS
Tensile strength and elongation at break variation are smaller, it can be considered that the brittle deformation extent of the type CABLE MATERIALS is smaller, cable exists
Stability under low-temperature condition is higher.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of super cold resistant poly-ethylene cable material, which is characterized in that according to mass fraction, the component of the CABLE MATERIALS includes：
80-90 parts of high density polyethylene (HDPE), 20-30 parts of linear low density polyethylene, 15-25 parts of inorganic filler, cold-resistant toughened dose of 25-35
Part, 1-3 parts of polyethylene wax, 1.5-1.9 parts of vinyltriethoxysilane, 0.3-0.6 parts of cumyl peroxide, fire retardant 3-
7 parts, 1-2 parts of coupling agent, 0.2-0.5 parts of ultraviolet absorbing agent, 0.1-0.8 parts of antioxidant.
2. the super cold resistant poly-ethylene cable material of one kind according to claim 1, it is characterised in that：According to mass fraction, institute
The component for stating CABLE MATERIALS includes：84-87 parts of high density polyethylene (HDPE), 23-26 parts of linear low density polyethylene, inorganic filler 18-23
Part, cold-resistant toughened dose 28-32 parts, 1.7-2.5 parts of polyethylene wax, 1.6-1.8 parts of vinyltriethoxysilane, peroxidating two is different
0.4-0.5 parts of propyl benzene, 4-6 parts of fire retardant, 1.3-1.8 parts of coupling agent, 0.2-0.4 parts of ultraviolet absorbing agent, antioxidant 0.4-0.7
Part.
3. the super cold resistant poly-ethylene cable material of one kind according to claim 2, it is characterised in that：According to mass fraction, institute
The component for stating CABLE MATERIALS includes：It 85 parts of high density polyethylene (HDPE), 25 parts of linear low density polyethylene, 20 parts of inorganic filler, resists cold and increases
Tough dose 30 parts, 2.3 parts of polyethylene wax, 1.7 parts of vinyltriethoxysilane, 0.5 part of cumyl peroxide, 5 parts of fire retardant,
1.6 parts of coupling agent, 0.3 part of ultraviolet absorbing agent, 0.6 part of antioxidant.
4. the super cold resistant poly-ethylene cable material of one kind according to claim 1, it is characterised in that：Described cold-resistant toughened dose
Preparation method includes the following steps：
（1）According to mass fraction, the temperature in reaction kettle is increased to 150-180 DEG C, nitrogen atmosphere is then charged with and is protected,
100 parts of adipic acids, 73 portions of diethylene glycol (DEG)s and 0.5g potassium fluotitanate catalyst are added in reaction kettle, increase reactor temperature extremely
200-205 DEG C, simultaneously esterification 7-8h is kept the temperature, by product distillation purifying, 0.8 part of metatitanic acid isopropyl is added into product after purification
Ester, the polycondensation reaction 5-7h under 225-230 DEG C, 65-70Pa air pressure conditions, obtains performed polymer, is so added again into reaction kettle
2.5g chain extender stirs 8-10h with 260-270 DEG C of temperature, obtains required elastomer A；
（2）By Heveatex, hydroxylating styrene-butadiene latex and acrylic latex according to 3:5:1 mass ratio mixing, then to latex
The converted starch of the middle casein that 0.5wt% is added and 2wt%, is uniformly dispersed, and obtains the compounded latex that required solid content is 50%,
Will be bis- (3,4- dimethylbenzylidene) sorbierite be added in the deionized water of 2 times of quality and disperse, obtain nucleation agent emulsion, will
20 parts of nucleation agent emulsions and 80 parts of compounded latexs are mixed, and then by mixture lotion, are spray-dried by spray dryer
Processing obtains rubber powder B；
（3）Poly- fluorocarbons is handled into 15-20min with 350-400 DEG C of preheating temperature, is then reduced to room temperature；According to 8:4:1:
1:1 mass ratio mixes silica, barium sulfate, aluminium nitride, titanium boride and poly- fluorocarbons, and wine is then added into mixture
Essence, the wet-milling 4-5h in planetary ball mill, the powder after ball milling are dried with 80-82 DEG C of temperature, obtain required filler；
（4）By 55 parts of elastomer A, 20 parts of rubber powder B, 15 parts of inclined fluoroether rubbers, 9.5 parts of styrene-isoprene-phenylethenes are embedding
Section copolymer, 70 parts of fillers and 6 parts of crosslinking agents are added in mixer, with 160-165 DEG C of temperature mixing 15-20min, then
It feeds the mixture into baking oven again, under ultraviolet light irradiation, 1.5-2h is reacted with 180-185 DEG C of temperature crosslink, after coming out of the stove
It is plasticized granulation and cooling again, cold-resistant toughened dose needed for obtaining.
5. the super cold resistant poly-ethylene cable material of one kind according to claim 4, it is characterised in that：The step（1）In make
Chain extender is ethylenediamine or trimethylolpropane.
6. the super cold resistant poly-ethylene cable material of one kind according to claim 4, it is characterised in that：The step（4）In make
Crosslinking agent is para-aminophenol, double -3,4- tetramethyl triaminotriphenyl methane NH2s or tetraphenyltin.
7. the super cold resistant poly-ethylene cable material of one kind according to claim 1, it is characterised in that：The fire retardant is quality
Than being 3:1 aluminium hydroxide and the mixture of antimony oxide.
8. the super cold resistant poly-ethylene cable material of one kind according to claim 1, it is characterised in that：The ultraviolet absorbing agent
For one of light stabilizer AM-101, light stabilizer 744, ultraviolet absorbent UV-531 and ultraviolet absorbing agent UVP-327.
9. the super cold resistant poly-ethylene cable material of one kind according to claim 1, it is characterised in that：The antioxidant is antioxygen
One of agent 164, antioxidant 1076, antioxidant DNP and antioxidant TNP.
10. the super cold resistant poly-ethylene cable material of one kind described in -9 any one according to claim 1, which is characterized in that described
The preparation method of CABLE MATERIALS is：
According to mass fraction, by high density polyethylene (HDPE), linear low density polyethylene, cold-resistant toughened dose, vinyl triethoxyl silicon
Alkane and cumyl peroxide are added in high-speed kneading machine, and with 125-135 DEG C of temperature, then high-speed kneading 6-10min will
Polyethylene wax, inorganic filler, fire retardant, coupling agent are added in high-speed kneading machine, are kneaded 10-15min with identical temperature, most
Ultraviolet absorbing agent and antioxidant are added afterwards, continue to be kneaded 3-5min, discharge is fed the mixture into double screw extruder
Mixing extrusion, plasticizing are granulated, and obtain required CABLE MATERIALS.
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| CN110256754A (en) * | 2019-07-12 | 2019-09-20 | 安徽电缆股份有限公司 | A kind of cold-resistant cracking resistance cable material and preparation method thereof |
| CN110256756A (en) * | 2019-07-31 | 2019-09-20 | 天长市佳烽电气有限公司 | A kind of cold-resistant Stretch-resistant cable material and preparation method thereof |
| CN111019211A (en) * | 2019-11-26 | 2020-04-17 | 徐州聚西廷新型材料科技有限公司 | Modified high-density polyethylene composite material and preparation method thereof |
| CN112457552A (en) * | 2020-11-17 | 2021-03-09 | 苏州亨利通信材料有限公司 | Weather-resistant low-density polyethylene insulating material and preparation method thereof |
| CN113861543A (en) * | 2021-10-18 | 2021-12-31 | 光惠（上海）激光科技有限公司 | Impact-resistant insulated optical cable and preparation method thereof |
| CN113912900A (en) * | 2021-10-20 | 2022-01-11 | 浙江理工大学 | Foam pore material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110256754A (en) * | 2019-07-12 | 2019-09-20 | 安徽电缆股份有限公司 | A kind of cold-resistant cracking resistance cable material and preparation method thereof |
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| CN113861543A (en) * | 2021-10-18 | 2021-12-31 | 光惠（上海）激光科技有限公司 | Impact-resistant insulated optical cable and preparation method thereof |
| CN113912900A (en) * | 2021-10-20 | 2022-01-11 | 浙江理工大学 | Foam pore material and preparation method thereof |
| CN113912900B (en) * | 2021-10-20 | 2022-12-27 | 浙江理工大学 | Foam pore material and preparation method thereof |
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