CN109777119A - A kind of high-temp.-resistant electric cable for computer - Google Patents
A kind of high-temp.-resistant electric cable for computer Download PDFInfo
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- CN109777119A CN109777119A CN201811632152.8A CN201811632152A CN109777119A CN 109777119 A CN109777119 A CN 109777119A CN 201811632152 A CN201811632152 A CN 201811632152A CN 109777119 A CN109777119 A CN 109777119A
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Abstract
The invention discloses a kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive cable cores, outer protective jacket coats interior protective jacket, the raw material of the outer protective jacket includes: 100-120 parts of base-material, 50-70 parts of filler, 30-50 parts of fire retardant by weight, 6-8 parts of compatilizer, 1-3 parts of epoxidized soybean oil, 1-2 parts of antioxidant, 2-6 parts of polyethylene wax, 1-2 parts of cumyl peroxide, 0.5-1 parts of diphenylguanidine；Wherein, base-material is silicon rubber and butadiene-styrene rubber, and filler is modified montmorillonoid, fume colloidal silica, nano aluminium oxide and modified carbon fiber.Heat-resist, good mechanical property of the invention.
Description
Technical field
The present invention relates to field of cable technology more particularly to a kind of high-temp.-resistant electric cable for computer.
Background technique
Computer cable belongs to electrical equipment cable, this cable is suitable for voltage rating 500V and below for anti-tampering
Property more demanding electronic computer and automation instrument.According to the requirement of varying environment and equipment, cable insulation
The materials such as polyethylene, polyvinyl chloride, crosslinked polyethylene, fluoroplastics, silicon rubber can be used.For some in hot environment
Cable, higher to the heat resistant requirements of cable material, currently used computer cable material is not able to satisfy its heat resistance
It is required that.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of high-temp.-resistant electric cable for computer, the present invention is resistance to
It is hot good, good mechanical property.
A kind of high-temp.-resistant electric cable for computer proposed by the present invention, including conductive cable core, interior protective jacket and outer protective jacket, it is interior anti-
Sheath coated with conductive cable core, outer protective jacket coat interior protective jacket, and the raw material of the outer protective jacket includes: base-material 100- by weight
120 parts, 50-70 parts of filler, 30-50 parts of fire retardant, 6-8 parts of compatilizer, 1-3 parts of epoxidized soybean oil, 1-2 parts of antioxidant, poly- second
2-6 parts of alkene wax, 1-2 parts of cumyl peroxide, 0.5-1 parts of diphenylguanidine；Wherein, base-material is silicon rubber and butadiene-styrene rubber, is filled out
Material is modified montmorillonoid, fume colloidal silica, nano aluminium oxide and modified carbon fiber.
Preferably, in the preparation process of compatilizer, water, Tween 80, neopelex is mixed, ethylene is added
Base trimethoxy silane mixes, and 2-4h is stirred at 70-75 DEG C, and hexamethyldisiloxane is added, and continues to stir 1.5-2h, cooling
To room temperature, pH=8-9 is adjusted with sodium hydrate aqueous solution, is passed through nitrogen 15-30min, ethylene glycol dimethacrylate, first is added dropwise
Base ethyl acrylate, methyl acrylate and tert-amyl mercaptan are swollen 1-1.5h, and persulfate aqueous solution is added dropwise, and stir 3-4h, add second
Alcohol mixes, and filters to take filter cake, successively uses ethyl alcohol, water washing, is then successively purified with methanol, acetone through Soxhlet extraction, dry
To intermediate material；Intermediate material and maleic anhydride graft compatilizer are uniformly mixed so as to obtain compatilizer.
Preferably, in the preparation process of compatilizer, water, Tween 80, neopelex, vinyl trimethoxy
Silane, hexamethyldisiloxane weight ratio be 100-200:0.1-0.2:0.1-0.2:20-30:5-10.
Preferably, in the preparation process of compatilizer, ethylene glycol dimethacrylate, ethyl methacrylate, penta sulphur of uncle
Alcohol, potassium peroxydisulfate, methyl acrylate weight ratio be 0.1-0.2:10-15:0.1-0.2:0.05-0.1:20-30.
Preferably, in the preparation process of compatilizer, the weight ratio of vinyltrimethoxysilane and methyl acrylate is
1:0.5-0.7.
Preferably, in the preparation process of compatilizer, the weight ratio of intermediate material and maleic anhydride graft compatilizer is 4-
5:1-2.
Preferably, silicon rubber is methyl vinyl silicone rubber.
Preferably, the content of silicon rubber medium vinyl is 0.5-1wt%.
Preferably, butadiene-styrene rubber is solution polymerized butadiene styrene rubber.
Preferably, modified montmorillonoid is vinyltrimethoxysilane modified montmorillonoid.
Preferably, modified carbon fiber is vinyltrimethoxysilane modified carbon fiber.
Preferably, the weight ratio of silicon rubber and butadiene-styrene rubber is 80-90:10-20.
Preferably, modified montmorillonoid, fume colloidal silica, nano aluminium oxide, modified carbon fiber weight ratio be 25-35:
15-25:5-10:0.5-1.
The outer protective jacket of above-mentioned high-temp.-resistant electric cable for computer the preparation method comprises the following steps: take base-material, compatilizer mixing, be then added and fill out
Material continues mixing, and fire retardant, epoxidized soybean oil, antioxidant, polyethylene wax is added and mixes, cumyl peroxide is added, promotes
Agent D is mixed, and crosslinking squeezes out to obtain protective jacket outside high-temp.-resistant electric cable for computer through twin screw extruder.
In the preparation process of above-mentioned compatilizer, the concentration of sodium hydrate aqueous solution, persulfate aqueous solution is not provided, according to
Concrete operations determine its concentration.
The present invention selects silicon rubber and butadiene-styrene rubber to cooperate, and silicon rubber has good high temperature resistance, butylbenzene rubber
Glue has good heat-resisting quantity and mechanical performance, and the two is evenly dispersed under the action of compatilizer, is increasing the resistance to height of silicon rubber
While warm nature energy, increase the mechanical performance of silicon rubber；Silicon rubber and butadiene-styrene rubber can be into one with proper ratio mutual cooperation
Step increases the heat-resisting quantity and mechanical performance of the outer protective jacket of cable；Select vinyltrimethoxysilane polymerize, then with first
Base ethyl acrylate, methyl acrylate polymerize to obtain intermediate material, so that not only containing silicon oxygen bond in intermediate material, but also contain
Carbonyl, then cooperate with maleic anhydride graft compatilizer, to greatly increase the compatibility of silicon rubber and butadiene-styrene rubber, increase
The heat-resisting quantity and mechanical performance of the outer protective jacket of cable；And compatilizer can also promote filler and rubber evenly dispersed, avoid gas
Phase method white carbon black, nano aluminium oxide are reunited in rubber, and fume colloidal silica, nano aluminium oxide and modified carbon fiber are to close
Suitable ratio cooperates and is uniformly filled in rubber, so that the thermal conductivity of the outer protective jacket of cable is greatly increased, to increase electricity
The heat-resisting quantity of the outer protective jacket of cable, and it is double containing the carbon carbon on carbon-carbon double bond and silicon rubber on modified montmorillonoid and modified carbon fiber
Key can be condensed, to increase the mechanical performance of protective jacket outside cable while keeping heat-resisting quantity；Epoxidized soybean oil can be with
Adjust the mechanical performance of the outer protective jacket of cable；Epoxidized soybean oil, polyethylene wax cooperate, and can further promote each substance equal
Even dispersion；Cumyl peroxide, diphenylguanidine constitute cross-linking system, form cross-linked network, further increase the outer protective jacket of cable
Mechanical performance；Above-mentioned each substance is evenly dispersed, so that the outer protective jacket of cable has good high temperature resistance and mechanical performance,
To increase the high temperature resistance and mechanical performance of cable of the present invention.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive
Cable core, outer protective jacket coat in protective jacket, the raw material of the outer protective jacket includes: 110 parts of base-material by weight, 60 parts of filler,
40 parts of fire retardant, 7 parts of compatilizer, 2 parts of epoxidized soybean oil, 1.5 parts of antioxidant, 4 parts of polyethylene wax, cumyl peroxide 1.5
Part, 0.7 part of diphenylguanidine；Wherein, base-material is silicon rubber and butadiene-styrene rubber, and filler is modified montmorillonoid, fume colloidal silica, receives
Rice aluminium oxide and modified carbon fiber.
Embodiment 2
A kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive
Cable core, outer protective jacket coat in protective jacket, the raw material of the outer protective jacket includes: 100 parts of base-material by weight, 70 parts of filler,
30 parts of fire retardant, 8 parts of compatilizer, epoxidized soybean oil 1,2 parts of polyethylene wax, 2 parts of cumyl peroxide, promotes by 2 parts of antioxidant
0.5 part of agent D；Wherein, base-material is the methyl vinyl silicone rubber and solution polymerized butadiene styrene rubber that contents of ethylene is 1wt%, and filler is
Modified montmorillonoid, fume colloidal silica, nano aluminium oxide and modified carbon fiber；
In the preparation process of compatilizer, water, Tween 80, neopelex are mixed, vinyl front three is added
Oxysilane mixes, and 4h is stirred at 70 DEG C, and hexamethyldisiloxane is added, and continues to stir 1.5h, is cooled to room temperature, uses hydrogen-oxygen
Change sodium water solution and adjust pH=9, be passed through nitrogen 15min, ethylene glycol dimethacrylate, ethyl methacrylate, propylene is added dropwise
Sour methyl esters and tert-amyl mercaptan are swollen 1.5h, and persulfate aqueous solution is added dropwise, and stir 3h, add ethyl alcohol to mix, filter to take filter cake, according to
It is secondary to use ethyl alcohol, water washing, it is then successively purified with methanol, acetone through Soxhlet extraction, is dried to obtain intermediate material；By intermediate material
Compatilizer is uniformly mixed so as to obtain with maleic anhydride graft compatilizer, wherein water, Tween 80, neopelex, vinyl front three
Oxysilane, the weight ratio of hexamethyldisiloxane are 200:0.1:0.2:20:10, ethylene glycol dimethacrylate, methyl-prop
Olefin(e) acid ethyl ester, tert-amyl mercaptan, potassium peroxydisulfate, methyl acrylate weight ratio be 0.1:15:0.1:0.1:20, vinyl trimethoxy
The weight ratio of base silane and methyl acrylate is 1:0.7, and the weight ratio of intermediate material and maleic anhydride graft compatilizer is 4:2.
Embodiment 3
A kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive
Cable core, outer protective jacket coat in protective jacket, the raw material of the outer protective jacket includes: 120 parts of base-material by weight, 50 parts of filler,
50 parts of fire retardant, 6 parts of compatilizer, 3 parts of epoxidized soybean oil, 1 part of antioxidant, 6 parts of polyethylene wax, 1 part of cumyl peroxide, promote
Into 1 part of agent D；Wherein, base-material is the methyl vinyl silicone rubber and solution polymerized butadiene styrene rubber that contents of ethylene is 0.5wt%, filler
Change for vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyltrimethoxysilane
Property carbon fiber；
In the preparation process of compatilizer, water, Tween 80, neopelex are mixed, vinyl front three is added
Oxysilane mixes, and 2h is stirred at 75 DEG C, and hexamethyldisiloxane is added, and continues to stir 2h, is cooled to room temperature, uses hydroxide
Sodium water solution adjusts pH=8, is passed through nitrogen 30min, and ethylene glycol dimethacrylate, ethyl methacrylate, acrylic acid is added dropwise
Methyl esters and tert-amyl mercaptan are swollen 1h, and persulfate aqueous solution is added dropwise, and stir 4h, add ethyl alcohol to mix, filter to take filter cake, successively use
Then ethyl alcohol, water washing are successively purified through Soxhlet extraction with methanol, acetone, are dried to obtain intermediate material；By intermediate material and horse
Maleic anhydride grafted compatilizer is uniformly mixed so as to obtain compatilizer, wherein water, Tween 80, neopelex, vinyl trimethoxy
Silane, hexamethyldisiloxane weight ratio be 100:0.2:0.1:30:5, ethylene glycol dimethacrylate, methacrylic acid second
Ester, tert-amyl mercaptan, potassium peroxydisulfate, methyl acrylate weight ratio be 0.2:10:0.2:0.05:30, vinyl trimethoxy silicon
The weight ratio of alkane and methyl acrylate is that the weight ratio of 1:0.5 intermediate material and maleic anhydride graft compatilizer is 5:1；
The weight ratio of methyl vinyl silicone rubber and solution polymerized butadiene styrene rubber is 90:10；
Vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyl trimethoxy
The weight ratio of silane-modified carbon fiber is 35:15:10:0.5.
Embodiment 4
A kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive
Cable core, outer protective jacket coat in protective jacket, the raw material of the outer protective jacket includes: 105 parts of base-material by weight, 65 parts of filler,
35 parts of fire retardant, 7.5 parts of compatilizer, 1.5 parts of epoxidized soybean oil, 1.8 parts of antioxidant, 3 parts of polyethylene wax, cumyl peroxide
1.7 parts, 0.6 part of diphenylguanidine；Wherein, base-material is the methyl vinyl silicone rubber and contain intermingle with fourth that contents of ethylene is 0.8wt%
Benzene rubber, filler are vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyl front three
Oxysilane modified carbon fiber；
In the preparation process of compatilizer, water, Tween 80, neopelex are mixed, vinyl front three is added
Oxysilane mixes, and 3.5h is stirred at 72 DEG C, and hexamethyldisiloxane is added, and continues to stir 1.6h, is cooled to room temperature, uses hydrogen
Aqueous solution of sodium oxide adjusts pH=8.8, is passed through nitrogen 20min, be added dropwise ethylene glycol dimethacrylate, ethyl methacrylate,
Methyl acrylate and tert-amyl mercaptan are swollen 1.3h, and persulfate aqueous solution is added dropwise, and stir 3.3h, add ethyl alcohol to mix, filter to take filter
Cake successively uses ethyl alcohol, water washing, is then successively purified with methanol, acetone through Soxhlet extraction, be dried to obtain intermediate material；Will in
Between material and maleic anhydride graft compatilizer be uniformly mixed so as to obtain compatilizer, wherein water, Tween 80, neopelex, ethylene
Base trimethoxy silane, hexamethyldisiloxane weight ratio be 170:0.12:0.18:23:8, ethylene glycol dimethacrylate,
Ethyl methacrylate, tert-amyl mercaptan, potassium peroxydisulfate, methyl acrylate weight ratio be 0.12:13:0.12:0.08:22, second
The weight ratio of alkenyl trimethoxy silane and methyl acrylate is 1:0.65, the weight of intermediate material and maleic anhydride graft compatilizer
Amount is than being 4.2:1.7；
The weight ratio of methyl vinyl silicone rubber and solution polymerized butadiene styrene rubber is 80:20；
Vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyl trimethoxy
The weight ratio of silane-modified carbon fiber is 25:25:5:1.
Embodiment 5
A kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive
Cable core, outer protective jacket coat in protective jacket, the raw material of the outer protective jacket includes: 115 parts of base-material by weight, 55 parts of filler,
45 parts of fire retardant, 6.5 parts of compatilizer, 2.5 parts of epoxidized soybean oil, 1.2 parts of antioxidant, 5 parts of polyethylene wax, cumyl peroxide
1.3 parts, 0.8 part of diphenylguanidine；Wherein, base-material is the methyl vinyl silicone rubber and contain intermingle with fourth that contents of ethylene is 0.6wt%
Benzene rubber, filler are vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyl front three
Oxysilane modified carbon fiber；
In the preparation process of compatilizer, water, Tween 80, neopelex are mixed, vinyl front three is added
Oxysilane mixes, and 2.5h is stirred at 74 DEG C, and hexamethyldisiloxane is added, and continues to stir 1.8h, is cooled to room temperature, uses hydrogen
Aqueous solution of sodium oxide adjusts pH=8.2, is passed through nitrogen 25min, be added dropwise ethylene glycol dimethacrylate, ethyl methacrylate,
Methyl acrylate and tert-amyl mercaptan are swollen 1.1h, and persulfate aqueous solution is added dropwise, and stir 3.7h, add ethyl alcohol to mix, filter to take filter
Cake successively uses ethyl alcohol, water washing, is then successively purified with methanol, acetone through Soxhlet extraction, be dried to obtain intermediate material；Will in
Between material and maleic anhydride graft compatilizer be uniformly mixed so as to obtain compatilizer, wherein water, Tween 80, neopelex, ethylene
Base trimethoxy silane, hexamethyldisiloxane weight ratio be 130:0.18:0.12:27:6, ethylene glycol dimethacrylate,
Ethyl methacrylate, tert-amyl mercaptan, potassium peroxydisulfate, methyl acrylate weight ratio be 0.18:11:0.18:0.06:28, second
The weight ratio of alkenyl trimethoxy silane and methyl acrylate is 1:0.55, the weight of intermediate material and maleic anhydride graft compatilizer
Amount is than being 4.8:1.3；
The weight ratio of methyl vinyl silicone rubber and solution polymerized butadiene styrene rubber is 85:15；
Vinyltrimethoxysilane modified montmorillonoid, fume colloidal silica, nano aluminium oxide and vinyl trimethoxy
The weight ratio of silane-modified carbon fiber is 30:20:7:0.7.
Reference examples 1: being not added compatilizer, filler, other are the same as embodiment 5.
Reference examples 2: being not added compatilizer, other are the same as embodiment 5.
Test example 1
Outer protective jacket performance in detection embodiment 5, reference examples 1-2 is as a result as follows:
As can be seen from the above table, the outer protective jacket of cable of the invention has good heat resistance, and mechanicalness is good.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of high-temp.-resistant electric cable for computer, including conductive cable core, interior protective jacket and outer protective jacket, interior protective jacket coated with conductive cable
Core, outer protective jacket coat interior protective jacket, which is characterized in that the raw material of the outer protective jacket includes: base-material 100-120 by weight
Part, 50-70 parts of filler, 30-50 parts of fire retardant, 6-8 parts of compatilizer, 1-3 parts of epoxidized soybean oil, 1-2 parts of antioxidant, polyethylene wax
2-6 parts, 1-2 parts of cumyl peroxide, 0.5-1 parts of diphenylguanidine；Wherein, base-material is silicon rubber and butadiene-styrene rubber, and filler is
Modified montmorillonoid, fume colloidal silica, nano aluminium oxide and modified carbon fiber.
2. high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that in the preparation process of compatilizer, by water,
Tween 80, neopelex mix, and vinyltrimethoxysilane is added and mixes, stirs 2-4h at 70-75 DEG C, adds
Enter hexamethyldisiloxane, continue to stir 1.5-2h, be cooled to room temperature, adjusts pH=8-9 with sodium hydrate aqueous solution, be passed through nitrogen
Ethylene glycol dimethacrylate, ethyl methacrylate, methyl acrylate and tert-amyl mercaptan is added dropwise in gas 15-30min, is swollen 1-
Persulfate aqueous solution is added dropwise in 1.5h, stirs 3-4h, adds ethyl alcohol to mix, filter to take filter cake, successively uses ethyl alcohol, water washing, then
It is successively purified with methanol, acetone through Soxhlet extraction, is dried to obtain intermediate material；By intermediate material and maleic anhydride graft compatilizer
It is uniformly mixed so as to obtain compatilizer.
3. high-temp.-resistant electric cable for computer according to claim 2, which is characterized in that in the preparation process of compatilizer, water is spat
Temperature 80, neopelex, vinyltrimethoxysilane, hexamethyldisiloxane weight ratio be 100-200:0.1-
0.2:0.1-0.2:20-30:5-10；Preferably, in the preparation process of compatilizer, ethylene glycol dimethacrylate, methyl-prop
Olefin(e) acid ethyl ester, tert-amyl mercaptan, potassium peroxydisulfate, methyl acrylate weight ratio be 0.1-0.2:10-15:0.1-0.2:0.05-
0.1:20-30；Preferably, in the preparation process of compatilizer, the weight ratio of vinyltrimethoxysilane and methyl acrylate
For 1:0.5-0.7；Preferably, in the preparation process of compatilizer, the weight ratio of intermediate material and maleic anhydride graft compatilizer
For 4-5:1-2.
4. any one of -3 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that silicon rubber is methyl ethylene
Silicon rubber.
5. any one of -4 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that silicon rubber medium vinyl contains
Amount is 0.5-1wt%.
6. any one of -5 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that butadiene-styrene rubber is solution polymerized butylbenzene
Rubber.
7. any one of -6 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that modified montmorillonoid is vinyl
Trimethoxy silane modified montmorillonoid.
8. any one of -7 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that modified carbon fiber is vinyl
Trimethoxy silane modified carbon fiber.
9. any one of -8 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that silicon rubber and butadiene-styrene rubber
Weight ratio is 80-90:10-20.
10. any one of -9 high-temp.-resistant electric cable for computer according to claim 1, which is characterized in that modified montmorillonoid, vapor phase method
White carbon black, nano aluminium oxide, modified carbon fiber weight ratio be 25-35:15-25:5-10:0.5-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811632152.8A CN109777119A (en) | 2018-12-29 | 2018-12-29 | A kind of high-temp.-resistant electric cable for computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811632152.8A CN109777119A (en) | 2018-12-29 | 2018-12-29 | A kind of high-temp.-resistant electric cable for computer |
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| CN109777119A true CN109777119A (en) | 2019-05-21 |
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ID=66497959
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| CN110335710A (en) * | 2019-07-05 | 2019-10-15 | 安徽华能电缆集团有限公司 | A kind of city cloud rail track traffic cable |
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Application publication date: 20190521 |