CN106205850B - A kind of high reliability power cable - Google Patents
A kind of high reliability power cable Download PDFInfo
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- CN106205850B CN106205850B CN201610516539.1A CN201610516539A CN106205850B CN 106205850 B CN106205850 B CN 106205850B CN 201610516539 A CN201610516539 A CN 201610516539A CN 106205850 B CN106205850 B CN 106205850B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The high reliability power cable of the present invention, including conductor, the wrapped lapping layer outside the conductor, it is extruded in the insulating barrier outside the lapping layer, the wrapped screen layer outside the insulating barrier, the waterproof layer outside the screen layer is coated, the flame retardant coating outside the waterproof layer is wrapped in, the oversheath outside the flame retardant coating is extruded in.The present invention high reliability power cable, with high temperature resistant, fire protection flame retarding, waterproof oil resistant, ageing-resistant, service life is long the characteristics of.Also there is good physical and mechanical properties tearing toughness and processing characteristics simultaneously.It can apply to the places such as skyscraper, airport, harbour, underground railway, to ensure that fire pump, Fire lift, local lighting, emergency evacuation are indicated in case of fire, security surveillance, prevent, smoke evacuation system and the fire power such as power autonomous and visual plant run without interruption.Suitable for immersible pump, colliery, underwater operation, the water treatment facilities such as scape light lamp in water.
Description
Technical field
The present invention relates to a kind of cable, more particularly to a kind of high reliability power cable.
Background technology
Power cable is used for the cable for transmitting and distributing electric energy.Be usually used in Urban Underground power network, the lead line in power station,
The in-line power of industrial and mining enterprises and the submarine transmission line of crossing river and sea.In power circuit, the proportion shared by cable just gradually increases
Plus.Power cable be power system master in circuit to transmit and distribute the cable product of high-power power, wherein wrapping
Include 1-500KV and any of the above voltage class, the power cable of various insulation.Wires and cables industry is that China is only second to automobile
The second largest industry of industry, product variety Service Efficiency and domestic market occupation rate are more than 90%.Worldwide, China's electricity
The line cable gross output value exceedes the U.S., as the in the world first big electric wire producing country.Along with Chinese wires and cables industry
High speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.China's economic is continuously and healthily
Increase, the huge market space, the strong temptation of Chinese market so that the world all focuses on sight are provided for cable products
In Chinese market, in short decades of reforming and opening up to the outside world, the huge production capacity that Chinese cable manufacturing industry is formed allows the world to scrape
Mesh is mutually seen.With industry sizes such as China electric power industry, data communication industry, urban track traffic industry, car industry and shipbuildings
Constantly expand, the demand to electric wire will also be increased rapidly, and following electric wire industry also has huge development potentiality.Ternary second
Third rubber is the terpolymer of ethene, propylene and non-conjugated diene hydrocarbon, and 1963 start to commercially produce.Topmost spy
Property is exactly its superior resistance to oxidation, ozone-resistant and erosion-resistant ability.Ethylene propylene diene rubber is mainly used in terms of electric wire
Input line, building wire, mine cable, used in nuclear power station electric wire, automobile ignition wire, control and the signal of civilian and commercial building
Cable etc..) ethylene propylene diene rubber is compared with XLPE and PVC electric wires, lear energy is poor.And due to being easy to bloom, bonding
Property and tack it is poor, influence following process.
The content of the invention
The purpose of the present invention is that the technological deficiency for overcoming existing cable has high temperature resistant, fire protection flame retarding, waterproof there is provided one kind
Oil resistant, the characteristics of ageing-resistant, service life is long.Also there is good physical and mechanical properties tearing toughness and processing characteristics simultaneously
High reliability power cable.
The high reliability power cable of the present invention, including conductor, the wrapped lapping layer outside the conductor, are extruded in described
Insulating barrier outside lapping layer, the wrapped screen layer outside the insulating barrier coats the waterproof layer outside the screen layer, is wrapped in institute
The flame retardant coating outside waterproof layer is stated, the oversheath outside the flame retardant coating is extruded in.
As optimization, the high reliability power cable, including the tin plating soft copper stranded conductor of multiply are wrapped in multiply plating
Teflon adhesive tape lapping layer outside tin soft copper stranded conductor, is extruded in the rubber insulation outside the Teflon adhesive tape lapping layer,
The wrapped aluminium-plastic tape screen layer outside the rubber insulation, is coated elastic insulated outside the aluminium-plastic tape screen layer
Resin waterproof layer, is wrapped in the PET braiding webmaster flame retardant coatings outside the elastic insulated resin waterproof layer, is extruded in the PET and compiles
Rubber outer protection set outside knitmesh pipe flame retardant coating.
As optimization, the high reliability power cable, rubber insulation and the rubber outer protection set is by following parts by weight
Several components are made：75~80 parts of ethylene propylene diene rubber, 32~35 parts of POE polyolefin elastomers, average grain diameter 40nm nano aluminums
Sour 2~2.5 parts of yttrium, 3~3.5 parts of lanthanum sesquioxide of 50nm nanometers of average grain diameter, 5~6 parts of isopropanol, hexadecyl trimethoxy
1.5~2 parts of silane, 4~5 parts of diethylene glycol monobutyl ether, 8~10 parts of average grain diameter 20um hydroxyapatites, average grain diameter 2um bis-
28~32 parts of silica, 20~22 parts of average grain diameter 5um dolomite dusts, 8~10 parts of average grain diameter 2um magnesium hydroxides, secondary alcohol gather
2~2.5 parts of oxygen vinethene, 2~2.5 parts of propylgallate, 3~3.5 parts of inositol phosphate, potassium metabisulfite 1.5~2
Part, 1.5~2 parts of benzoin dimethylether.
Rubber insulation described in the high reliability power cable and rubber outer protection set rubber used are made up of following steps：
（1）By 2.2 parts of yttrium aluminate of 40nm nanometers of average grain diameter, 3.2 parts of lanthanum sesquioxide of 50nm nanometers of average grain diameter, isopropyl
5.5 parts of alcohol, 1.6 parts of hexadecyl trimethoxy silane, 4.5 parts of mixing magnetic stirrers of diethylene glycol monobutyl ether, stir 5 points
Clock, then ultrasonic oscillation 150 minutes under the conditions of 60~70 DEG C；
（2）By 2.2 parts of secondary alcohol APEO, in the pure water for being added to 50 times of weight, average grain diameter is then added
9 parts of 20um hydroxyapatites, 30 parts of average grain diameter 2um silica, 21 parts of average grain diameter 5um dolomite dusts, average grain diameter 2um
9 parts of magnesium hydroxide is well mixed；Ultrasonic oscillation 200 minutes under the conditions of 85 DEG C；Then dried 24 hours in 90 DEG C of baking ovens；
（3）78 parts of ethylene propylene diene rubber, 33 parts of POE polyolefin elastomers are added in banbury, at 100~110 DEG C
Knead 3~4min；Then the mixture added in step (2) continues to knead 3~4min；Cool to 80~90 DEG C of addition steps
(1) mixture in continues to knead 4~5min；Be eventually adding 2.4 parts of propylgallate, 3.2 parts of inositol phosphate,
1.6 parts of potassium metabisulfite, 1.8 parts of 3~4min of mixing of benzoin dimethylether；It is cooled to 50 DEG C~55 DEG C dischargings；
（4）The compound input double screw extruder of step (3) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃。
The high reliability power cable of the present invention, employs special structure design and new elastomeric material：Building ring
Border temperature：200 DEG C of -60 DEG C~﹢；Against weather: UV；It is fire-retardant:Single vertical burns (IEC60332-1)；Resistance to day optical tests：
HD605/A1；Fire resistance, meets GB12666.6-A classes.In flame 950 ± 40 DEG C 180 minutes, circuit did not punctured, and circuit leads to
Electrical property keeps complete；After 30 minutes, 30 minutes Water sprays or water logging are born, circuit energization property retention is complete at 650 ± 40 DEG C
It is whole.Under long-term immersion and larger hydraulic pressure, with good electrical insulation properties.
The high reliability power cable of the present invention, with high temperature resistant, fire protection flame retarding, waterproof oil resistant, ageing-resistant, service life
Long the characteristics of.Also there is good physical and mechanical properties tearing toughness and processing characteristics simultaneously.Can apply to skyscraper,
The places such as airport, harbour, underground railway, to ensure fire pump, Fire lift, local lighting, emergent in case of fire
Exit signs, security surveillance, prevent, smoke evacuation system and the fire power such as power autonomous and visual plant run without interruption.It is applied to
The water treatment facilities such as scape light lamp in immersible pump, colliery, underwater operation, water.
Brief description of the drawings
Fig. 1 is the structural representation of high reliability power cable of the present invention.
Embodiment
The invention will be further described for example given below plan, but is not to be construed as to the scope of the present invention
Limitation, some the nonessential modifications and adaptations of those skilled in the art according to present invention to the present invention still fall within this
The protection domain of invention.
Embodiment 1：It is wrapped to lead the tin plating soft copper of multiply is stranded as shown in figure 1, including the tin plating soft copper stranded conductor 1 of multiply
Teflon adhesive tape lapping layer 2 outside body 1, is extruded in the rubber insulation 3 outside Teflon adhesive tape lapping layer 2, wrapped exhausted in rubber
The elastic insulated waterproof resins of 3M 8882 layer outside aluminium-plastic tape screen layer 4 outside edge layer 3, coating aluminium-plastic tape screen layer 4
5, the PET braiding webmasters flame retardant coating 6 outside the elastic insulated waterproof resins of 3M 8882 layer 5 is wrapped in, the PET mesh grids are extruded in
Rubber outer protection set 7 outside pipe flame retardant coating 6.
Rubber insulation described in the high reliability power cable and rubber outer protection set elastomeric material used pass through following step
Suddenly it is made：
（1）By 2.2 kilograms of yttrium aluminate of 40nm nanometers of average grain diameter, 3.2 kilograms of lanthanum sesquioxide of 50nm nanometers of average grain diameter,
5.5 kilograms of isopropanol, Nanjing Quan Xi Chemical Co., Ltd.s（QX-1613）1.6 kilograms of hexadecyl trimethoxy silane, diethyl two
4.5 kilograms of mixing magnetic stirrers of alcohol monobutyl ether, are stirred 5 minutes, then 150 points of ultrasonic oscillation under the conditions of 60~70 DEG C
Clock；
（2）By secondary alcohol APEO（S-50）2.2 kilograms, in the pure water for being added to 50 times of weight, then add flat
Equal 9 kilograms of particle diameter 20um hydroxyapatites, 30 kilograms of average grain diameter 2um silica, average grain diameter 5um dolomite dusts 21,000
Gram, 9 kilograms of average grain diameter 2um magnesium hydroxides are well mixed；Ultrasonic oscillation 200 minutes under the conditions of 85 DEG C；Then at 90 DEG C
Dried 24 hours in baking oven；
（3）By 78 kilograms of LG-DOW EPDM3720P ethylene propylene diene rubbers, Exxon Mobil 0201POE polyolefin elastics
33 kilograms of body is added in banbury, and 3~4min is kneaded at 100~110 DEG C；Then the mixture added in step (2) continues
Knead 3~4min；80~90 DEG C of mixtures added in step (1) are cooled to continue to knead 4~5min；It is eventually adding and does not eat
Sub- 2.4 kilograms of propyl propionate, 3.2 kilograms of inositol phosphate, 1.6 kilograms of potassium metabisulfite, 1.8 kilograms of benzoin dimethylether are mixed
Refine 3~4min；It is cooled to 50 DEG C~55 DEG C dischargings；
（4）The compound input double screw extruder of step (3) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃.Elastomeric material of the present invention, using unique formula, acts synergistically between each component and protrudes；With good machine
Tool performance and prominent tearing strength；With excellent heat-proof aging oil resistance and unexpected fire resistance, Er Qiewu
Bloom, has reached using other components and the unapproachable performance of auxiliary combination.The elastomeric material tensile strength：16.77Mpa；
Elongation at break 401%；Tearing strength 35.3KN/m；After 185 DEG C × 168 h hot air agings, tensile strength rate of change：5.2%、
Elongation at break rate of change -4.3%；The h of oil resistant test IRM903 125 DEG C × 168, tensile strength rate of change：7.2%th, fracture is stretched
Long rate rate of change -8.3%；Oxygen index (OI) 42.1, flame retardant rating FV-0, no bloom.
Embodiment 2：High reliability power cable structure such as be the same as Example 1, difference is, rubber insulation and rubber
Elastomeric material used in oversheath is made up of following steps：
（1）By 2 kilograms of yttrium aluminate of 40nm nanometers of average grain diameter, 3 kilograms of lanthanum sesquioxide of 50nm nanometers of average grain diameter, isopropyl
5 kilograms of alcohol, Nanjing Quan Xi Chemical Co., Ltd.s（QX-1613）1.5 kilograms of hexadecyl trimethoxy silane, diethylene glycol mono butyl
4 kilograms of mixing magnetic stirrers of ether, are stirred 5 minutes, then ultrasonic oscillation 150 minutes under the conditions of 60~70 DEG C；
（2）By secondary alcohol APEO（S-50）2 kilograms, stir in the pure water for being added to 50 times of weight, then
Add 8 kilograms of average grain diameter 20um hydroxyapatites, 28 kilograms of average grain diameter 2um silica, average grain diameter 5um dolomite dusts
20 kilograms, 8 kilograms of average grain diameter 2um magnesium hydroxides are well mixed；Ultrasonic oscillation 200 minutes under the conditions of 85 DEG C；Then exist
Dried 24 hours in 90 DEG C of baking ovens；
（3）By 75 kilograms of LG-DOW EPDM3720P ethylene propylene diene rubbers, Exxon Mobil 0201POE polyolefin elastics
32 kilograms of body is added in banbury, and 3~4min is kneaded at 100~110 DEG C；Then the mixture added in step (2) continues
Knead 3~4min；80~90 DEG C of mixtures added in step (1) are cooled to continue to knead 4~5min；It is eventually adding and does not eat
Sub- 2 kilograms of propyl propionate, 3 kilograms of inositol phosphate, 1.5 kilograms of potassium metabisulfite, 1.5 kilograms of mixings 3 of benzoin dimethylether
~4min；It is cooled to 50 DEG C~55 DEG C dischargings；
（4）The compound input double screw extruder of step (3) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃.Elastomeric material of the present invention, using unique formula, acts synergistically between each component and protrudes；With good machine
Tool performance and prominent tearing strength；With excellent heat-proof aging oil resistance and unexpected fire resistance, Er Qiewu
Bloom, has reached using other components and the unapproachable performance of auxiliary combination.The elastomeric material tensile strength：16.75Mpa；
Elongation at break 402%；Tearing strength 35.2KN/m；After 185 DEG C × 168 h hot air agings, tensile strength rate of change：5.2%、
Elongation at break rate of change -4.3%；The h of oil resistant test IRM903 125 DEG C × 168, tensile strength rate of change：7.2%th, fracture is stretched
Long rate rate of change -8.3%；Oxygen index (OI) 42.2, flame retardant rating FV-0, no bloom.
Embodiment 3：High reliability power cable structure such as be the same as Example 1, difference is, rubber insulation and rubber
Elastomeric material used in oversheath is made up of following steps：
（1）By 2.5 kilograms of yttrium aluminate of 40nm nanometers of average grain diameter, 3.5 kilograms of lanthanum sesquioxide of 50nm nanometers of average grain diameter,
6 kilograms of isopropanol, Nanjing Quan Xi Chemical Co., Ltd.s（QX-1613）2 kilograms of hexadecyl trimethoxy silane, diethylene glycol list
5 kilograms of mixing magnetic stirrers of butyl ether, are stirred 5 minutes, then ultrasonic oscillation 150 minutes under the conditions of 60~70 DEG C；
（2）By secondary alcohol APEO（S-50）2.5 kilograms, in the pure water for being added to 50 times of weight, then add flat
Equal 10 kilograms of particle diameter 20um hydroxyapatites, 32 kilograms of average grain diameter 2um silica, average grain diameter 5um dolomite dusts 22,000
Gram, 10 kilograms of average grain diameter 2um magnesium hydroxides are well mixed；Ultrasonic oscillation 200 minutes under the conditions of 85 DEG C；Then at 90 DEG C
Dried 24 hours in baking oven；
（3）By 80 kilograms of LG-DOW EPDM3720P ethylene propylene diene rubbers, Exxon Mobil 0201POE polyolefin elastics
35 kilograms of body is added in banbury, and 3~4min is kneaded at 100~110 DEG C；Then the mixture added in step (2) continues
Knead 3~4min；80~90 DEG C of mixtures added in step (1) are cooled to continue to knead 4~5min；It is eventually adding and does not eat
Sub- 2.5 kilograms of propyl propionate, 3.5 kilograms of inositol phosphate, 2 kilograms of potassium metabisulfite, 2 kilograms of mixings 3 of benzoin dimethylether
~4min；It is cooled to 50 DEG C~55 DEG C dischargings；
（4）The compound input double screw extruder of step (3) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃.Elastomeric material of the present invention, using unique formula, acts synergistically between each component and protrudes；With good machine
Tool performance and prominent tearing strength；With excellent heat-proof aging oil resistance and unexpected fire resistance, Er Qiewu
Bloom, has reached using other components and the unapproachable performance of auxiliary combination.The elastomeric material tensile strength：16.72Mpa；
Elongation at break 401%；Tearing strength 35.4KN/m；After 185 DEG C × 168 h hot air agings, tensile strength rate of change：5.2%、
Elongation at break rate of change -4.3%；The h of oil resistant test IRM903 125 DEG C × 168, tensile strength rate of change：7.2%th, fracture is stretched
Long rate rate of change -8.3%；Oxygen index (OI) 42.2, flame retardant rating FV-0, no bloom.
Comparative example 1：Power cable structure such as be the same as Example 1, difference is, rubber insulation and rubber outer protection set
Elastomeric material used is made up of following steps：
（1）By 2.5 kilograms of yttrium aluminate of 40nm nanometers of average grain diameter, 3.5 kilograms of lanthanum sesquioxide of 50nm nanometers of average grain diameter,
6 kilograms of isopropanol, Nanjing Quan Xi Chemical Co., Ltd.s（QX-1613）2 kilograms of hexadecyl trimethoxy silane, diethylene glycol list
5 kilograms of butyl ether, secondary alcohol APEO（S-50）2.5 kilograms, 10 kilograms of average grain diameter 20um hydroxyapatites, average grain diameter
32 kilograms of 2um silica, 22 kilograms of average grain diameter 5um dolomite dusts, the 10 kilograms of mixings of average grain diameter 2um magnesium hydroxides
Uniformly；
（2）By 80 kilograms of LG-DOW EPDM3720P ethylene propylene diene rubbers, Exxon Mobil 0201POE polyolefin elastics
35 kilograms of body is added in banbury, and 3~4min is kneaded at 100~110 DEG C；Then the mixture added in step (1) continues
Knead 3~4min；It is eventually adding 2.5 kilograms of propylgallate, 3.5 kilograms of inositol phosphate, potassium metabisulfite 2,000
Gram, 2 kilograms of benzoin dimethylether mixing, 3~4min；It is cooled to 50 DEG C~55 DEG C dischargings；
（3）The compound input double screw extruder of step (2) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃.The elastomeric material performance is significantly lower than embodiment 1,2,3, the elastomeric material tensile strength：13.11Mpa；It is disconnected
Split elongation 381%；Tearing strength 26.3KN/m；After 185 DEG C × 168 h hot air agings, tensile strength rate of change：7.2%th, break
Split elongation change rate -6.3%；The h of oil resistant test IRM903 125 DEG C × 168, tensile strength rate of change：8.9%th, extension at break
Rate rate of change -10.3%；Oxygen index (OI) 37.1, flame retardant rating FV-0, slight bloom.
Comparative example 2：Power cable structure such as be the same as Example 1, difference is, rubber insulation and rubber outer protection set
Elastomeric material used is made up of following steps：
（1）By 6 kilograms of lanthanum sesquioxide of 50nm nanometers of average grain diameter, 6 kilograms of isopropanol, Nanjing Quan Xi Chemical Co., Ltd.s
（QX-1613）2 kilograms of hexadecyl trimethoxy silane, 5 kilograms of mixing magnetic stirrers of diethylene glycol monobutyl ether, stirring 5
Minute, then ultrasonic oscillation 150 minutes under the conditions of 60~70 DEG C；
（2）By secondary alcohol APEO（S-50）2.5 kilograms, in the pure water for being added to 50 times of weight, then add flat
Equal 42 kilograms of particle diameter 2um silica, 32 kilograms of average grain diameter 5um dolomite dusts；200 points of ultrasonic oscillation under the conditions of 85 DEG C
Clock；Then dried 24 hours in 90 DEG C of baking ovens；
（3）By 80 kilograms of LG-DOW EPDM3720P ethylene propylene diene rubbers, Exxon Mobil 0201POE polyolefin elastics
35 kilograms of body is added in banbury, and 3~4min is kneaded at 100~110 DEG C；Then the mixture added in step (2) continues
Knead 3~4min；80~90 DEG C of mixtures added in step (1) are cooled to continue to knead 4~5min；It is cooled to 50 DEG C~55
DEG C discharging；
（4）The compound input double screw extruder of step (3) is subjected to extruding pelletization, the feeding of double screw extruder
Mouth, the second bringing-up section, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C,
170℃、162℃.The elastomeric material performance is significantly lower than embodiment 1,2,3, the elastomeric material tensile strength：14.17Mpa；It is disconnected
Split elongation 381%；Tearing strength 27.4KN/m；After 185 DEG C × 168 h hot air agings, tensile strength rate of change：5.9%th, break
Split elongation change rate -5.2%；The h of oil resistant test IRM903 125 DEG C × 168, tensile strength rate of change：8.6%th, extension at break
Rate rate of change -9.4%；Oxygen index (OI) 38.1, flame retardant rating FV-0, slight bloom.
Claims (2)
1. a kind of high reliability power cable, it is characterised in that：It is wrapped in the multiply including the tin plating soft copper stranded conductor of multiply
Teflon adhesive tape lapping layer outside tin plating soft copper stranded conductor, is extruded in the rubber-covered outside the Teflon adhesive tape lapping layer
Layer, the wrapped aluminium-plastic tape screen layer outside the rubber insulation coats the elasticity outside the aluminium-plastic tape screen layer
Insulating resin waterproof layer, is wrapped in the PET braiding webmaster flame retardant coatings outside the elastic insulated resin waterproof layer, is extruded in described
Rubber outer protection set outside PET braiding webmaster flame retardant coatings；
Rubber insulation and the rubber outer protection set is made by the component of following parts by weight：78 parts of ethylene propylene diene rubber, POE
33 parts of polyolefin elastomer, 2.2 parts of yttrium aluminate of 40nm nanometers of average grain diameter, 3.2 parts of lanthanum sesquioxide of 50nm nanometers of average grain diameter,
5.5 parts of isopropanol, 1.6 parts of hexadecyl trimethoxy silane, 4.5 parts of diethylene glycol monobutyl ether, average grain diameter 20um hydroxyl phosphorus
9 parts of lime stone, 30 parts of average grain diameter 2um silica, 21 parts of average grain diameter 5um dolomite dusts, average grain diameter 2um magnesium hydroxides 9
Part, 2.2 parts of secondary alcohol APEO, 2.4 parts of propylgallate, 3.2 parts of inositol phosphate, 1.6 parts of potassium metabisulfite,
1.8 parts of benzoin dimethylether.
2. high reliability power cable according to claim 1, it is characterised in that the rubber insulation and rubber outer protection
Set rubber used is made up of following steps：
（1）By 2.2 parts of yttrium aluminate of 40nm nanometers of average grain diameter, 3.2 parts of lanthanum sesquioxide of 50nm nanometers of average grain diameter, isopropanol
5.5 parts, 1.6 parts of hexadecyl trimethoxy silane, 4.5 parts of mixing magnetic stirrers of diethylene glycol monobutyl ether, stir 5 points
Clock, then ultrasonic oscillation 150 minutes under the conditions of 60~70 DEG C；
（2）By 2.2 parts of secondary alcohol APEO, in the pure water for being added to 50 times of weight, average grain diameter 20um hydroxyls are then added
9 parts of base apatite, 30 parts of average grain diameter 2um silica, 21 parts of average grain diameter 5um dolomite dusts, average grain diameter 2um hydroxides
9 parts of magnesium is well mixed；Ultrasonic oscillation 200 minutes under the conditions of 85 DEG C；Then dried 24 hours in 90 DEG C of baking ovens；
（3）78 parts of ethylene propylene diene rubber, 33 parts of POE polyolefin elastomers are added in banbury, 3 are kneaded at 100~110 DEG C
~4min；Then the mixture added in step (2) continues to knead 3~4min；80~90 DEG C are cooled to add in step (1)
Mixture continues to knead 4~5min；It is eventually adding 2.4 parts of propylgallate, 3.2 parts of inositol phosphate, pyrosulfurous acid
1.6 parts of potassium, 1.8 parts of 3~4min of mixing of benzoin dimethylether；It is cooled to 50 DEG C~55 DEG C dischargings；
（4）The compound of step (3) input double screw extruder is subjected to extruding pelletization, the spout of double screw extruder, the
Two bringing-up sections, the 3rd bringing-up section, the 4th bringing-up section to the temperature of head be respectively set to 160 DEG C, 162 DEG C, 165 DEG C, 170 DEG C,
162℃。
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| CN111138746B (en) * | 2018-11-05 | 2023-08-29 | 株式会社博迈立铖 | Flame-retardant insulated wire and flame-retardant cable |
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| CN202258525U (en) * | 2011-09-16 | 2012-05-30 | 安徽明星电缆有限公司 | Fireproof and waterproof flexible direct-current power transmission cable |
| KR20140095155A (en) * | 2013-01-23 | 2014-08-01 | 엘에스전선 주식회사 | fire resistant cable |
| CN103739925A (en) * | 2013-12-24 | 2014-04-23 | 上海至正道化高分子材料有限公司 | Environment-friendly low-temperature anti-twisting and low-smoke halogen-free flame retardant cable material and preparation method thereof |
-
2016
- 2016-07-04 CN CN201610516539.1A patent/CN106205850B/en active Active
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| CN106205850A (en) | 2016-12-07 |
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