CN105355308A - Power cable - Google Patents
Power cable Download PDFInfo
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- CN105355308A CN105355308A CN201510841687.6A CN201510841687A CN105355308A CN 105355308 A CN105355308 A CN 105355308A CN 201510841687 A CN201510841687 A CN 201510841687A CN 105355308 A CN105355308 A CN 105355308A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of cables, and specifically relates to a power cable. The power cable comprises a cable core formed by the twisting of three wire cores, the outside of the cable core is provided with an inner protection layer, an armored layer, a waterproof wrapping tape, and an outer protection layer in sequence, filling materials are arranged between the inner protection layer and the cable core, and each wire core comprises a conductor, a shielding layer, an insulating layer, and a fireproof layer in sequence from the inside to the outside. According to the power cable, the structure is simple, the arrangement of each protection layer is reasonable, the performance of the materials of each protection layer is excellent, environmental protection is realized, pollution is prevented, and the market potential is vast.
Description
Technical field
The invention belongs to field of cable technology, be specifically related to a kind of power cable.
Background technology
Cable is normally by the cable of the similar rope of several or several groups wire strandings, often organize mutually insulated between wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation, multi rack is located at aerial or is contained in underground, the bottom, for telecommunication or electric power conveying, cable is the guarantee of people's modern life, plays an important role in transmission of electricity, distribution, conducting process.
Chinese patent CN10470094A discloses a kind of power cable, comprise conductor, described conductor outer wall parcel inner insulating layer, also has one deck external insulation layer composition outside inner insulating layer, and the cable core of described cable forms by three cores are stranded, one deck twining package tape is tied with outside core, wrap up one deck flame retardant coating at twining package tape outer wall, packing material is set between flame retardant coating and core, leave inner cushion layer outside flame retardant coating simultaneously, finally outside inner cushion layer, there is cable duplex sheath, be wherein divided into internal layer sheath and outer protective sleeve.After the present invention adopts said structure, enhance the wear-resistant degree of cable, convenient practicality, reduces cost, and strengthen anti-interference, effectively isolate burning things which may cause a fire disaster, fire resistance is high, strengthens coefficient of safety.Chinese patent 104637604A discloses a kind of novel flame resistant cable; comprise wire; insulating barrier, packing material, lkd layer; pin dress layer; protective sleeve, extrudes lapping layer and forms cable core, extrude lkd layer outside described cable core outside described wire; be provided with packing material in the outer lkd layer of described cable core, extrude outside described lkd layer outside pin dress layer described pin dress layer and extrude outer jointing jacket.This patent structure advantages of simple, environmental protection, fire-resistant, tear-proof.But, above-mentioned patent under moister condition, moisture be easy to from lay with running by mechanical stress or external force damage breakage penetrate into cable insulation inside, damage cable, cause huge economic loss.
Summary of the invention
For overcoming above-mentioned defect, the object of the present invention is to provide a kind of power cable, water resistance is good.
For achieving the above object, the present invention adopts following technical scheme:
A kind of power cable, comprise the cable core that three cores are twisted into, described cable core is provided with sheath, armour outward successively, block water band and outer jacket, be provided with packing material between described sheath and cable core, described every root core comprises conductor, screen, insulating barrier and flame retardant coating from the inside to the outside successively.
According to above-mentioned power cable, described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 70-90 part, magnesium hydroxide 15-23 part, antioxidant 4010NA 5-10 part, cumyl peroxide 3-7 part and glass fibre 12-25 part.
According to above-mentioned power cable, the preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
According to above-mentioned power cable, described armour is made up of steel band.
According to above-mentioned power cable, described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 70-85 part, polyurethane rubber 10-16 part, maleic anhydride grafted polyethylene 5-10 part, plasticizer WB3505-8 part, magnesium hydroxide 10-15 part, antioxidant 5-10 part, silane coupler 1-2 part, carbon black 6-11 part, accelerant CZ 1-3 part and zinc oxide 5-10 part.
According to above-mentioned power cable, described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
According to above-mentioned power cable, described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Positive beneficial effect of the present invention:
1. power cable packing material of the present invention adopts ethylene propylene diene rubber-acrylate copolymer to be base-material; add fire retardant magnesium hydroxide and glass fibre; antioxidant 4010NA; vulcanizing agent cumyl peroxide; make packing material fire resistance good; good springiness, moisture-resistant block-water performance is excellent, has good protection and stabilization to cable core.
2. in power cable sheath of the present invention and outer sheath material, combine the advantage of acrylate rubber, polyurethane rubber and maleic anhydride grafted polyethylene, sheath and outer sheath material is made to have good flexibility, block water, excellent corrosion resistance, well maintain the stability of the construction of cable, not easily by water or other contaminating erosion.
3. power cable structure of the present invention is simple, and each sheath connection and reasonable arrangement, each jacket material excellent performance, environment friendly and pollution-free, market potential is wide.
Accompanying drawing explanation
Fig. 1 is power cable structure schematic diagram of the present invention;
In figure: 1-cable core, 2-conductor, 3-screen, 4-insulating barrier, 5-flame retardant coating, 6-packing material, 7-sheath, 8-armour, 9-blocks water band, 10-outer jacket.
Embodiment
Below in conjunction with some embodiments, the present invention is further described.
Embodiment 1
See Fig. 1, a kind of power cable, comprise the cable core 1 that three cores are twisted into, described cable core is provided with sheath 7, armour 8 outward successively, block water band 9 and outer jacket 10, be provided with packing material 6 between described sheath 7 and cable core 1, described every root core comprises conductor 2, screen 3, insulating barrier 4 and flame retardant coating 5 from the inside to the outside successively.
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 70 parts, magnesium hydroxide 15 parts, antioxidant 4010NA 5 parts, cumyl peroxide 3 parts and 12 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 70 parts, polyurethane rubber 10 parts, maleic anhydride grafted polyethylene 5 parts, plasticizer WB3505 part, magnesium hydroxide 10 parts, antioxidant 5 parts, silane coupler 1 part, carbon black 6 parts, accelerant CZ 1 part and 5 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 2
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 72 parts, magnesium hydroxide 16 parts, antioxidant 4010NA 6 parts, cumyl peroxide 4 parts and 15 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 73 parts, polyurethane rubber 11 parts, maleic anhydride grafted polyethylene 6.3 parts, plasticizer WB3505.3 part, magnesium hydroxide 11 parts, antioxidant 6 parts, silane coupler 1.1 parts, carbon black 6.6 parts, accelerant CZ 1.2 parts and 6 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 3
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 75 parts, magnesium hydroxide 18 parts, antioxidant 4010NA 7 parts, cumyl peroxide 4.2 parts and 17 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 76 parts, polyurethane rubber 12 parts, maleic anhydride grafted polyethylene 7.2 parts, plasticizer WB3506.1 part, magnesium hydroxide 12 parts, antioxidant 7 parts, silane coupler 1.2 parts, carbon black 7 parts, accelerant CZ 1.8 parts and 7 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 4
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 80 parts, magnesium hydroxide 20 parts, antioxidant 4010NA 8 parts, cumyl peroxide 5 parts and 20 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 79 parts, polyurethane rubber 13 parts, maleic anhydride grafted polyethylene 8 parts, plasticizer WB3506.5 part, magnesium hydroxide 13 parts, antioxidant 8 parts, silane coupler 1.5 parts, carbon black 8 parts, accelerant CZ 2 parts and 8 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 5
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 81 parts, magnesium hydroxide 21 parts, antioxidant 4010NA 8 parts, cumyl peroxide 6 parts and 21 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 80 parts, polyurethane rubber 14.5 parts, maleic anhydride grafted polyethylene 8.1 parts, plasticizer WB3507 part, magnesium hydroxide 13.2 parts, antioxidant 8.2 parts, silane coupler 1.6 parts, carbon black 9 parts, accelerant CZ 2.3 parts and 8 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 6
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 85 parts, magnesium hydroxide 22 parts, antioxidant 4010NA 9 parts, cumyl peroxide 6.1 parts and 23.3 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 81 parts, polyurethane rubber 15 parts, maleic anhydride grafted polyethylene 8.9 parts, plasticizer WB3507.2 part, magnesium hydroxide 14 parts, antioxidant 8 parts, silane coupler 1.8 parts, carbon black 8.8 parts, accelerant CZ 2.5 parts and 8.3 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 7
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 88 parts, magnesium hydroxide 20 parts, antioxidant 4010NA 9.5 parts, cumyl peroxide 7 parts and 24 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 82 parts, polyurethane rubber 15 parts, maleic anhydride grafted polyethylene 9 parts, plasticizer WB3507.5 part, magnesium hydroxide 14.5 parts, antioxidant 9 parts, silane coupler 1.9 parts, carbon black 10 parts, accelerant CZ 2.7 parts and 9 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Embodiment 8
The present embodiment is identical with embodiment 1 power cable structure, does not repeat, some unlike:
Described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 90 parts, magnesium hydroxide 23 parts, antioxidant 4010NA 10 parts, cumyl peroxide 7 parts and 25 parts, glass fibre.
The preparation method of described packing material comprises the following steps:
Plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
Described armour is made up of steel band.
Described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 85 parts, polyurethane rubber 16 parts, maleic anhydride grafted polyethylene 10 parts, plasticizer WB3508 part, magnesium hydroxide 15 parts, antioxidant 10 parts, silane coupler 2 parts, carbon black 11 parts, accelerant CZ 3 parts and 10 parts, zinc oxide.
Described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
Described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
The performance of the packing material of embodiment of the present invention 1-8 gained cable and sheath, outer sheath material is in table 1 and table 2.
The performance of the packing material of table 1 embodiment of the present invention 1-8 gained cable
The performance of the packing material of table 1 embodiment of the present invention 1-8 gained cable
The sheath of table 2 embodiment of the present invention 1-8 gained cable, the performance of outer sheath material
From upper table 1, power cable packing material fire resistance of the present invention, moisture-resistant block-water performance are excellent; As shown in Table 2, power cable sheath of the present invention and outer jacket blocks water, ageing resistace is excellent, long service life.
Claims (7)
1. a power cable, comprise the cable core that three cores are twisted into, it is characterized in that, described cable core is provided with sheath, armour outward successively, block water band and outer jacket, be provided with packing material between described sheath and cable core, described every root core comprises conductor, screen, insulating barrier and flame retardant coating from the inside to the outside successively.
2. power cable according to claim 1, it is characterized in that, described packing material is made up of the raw material of following parts by weight: ethylene propylene diene rubber-acrylate copolymer 70-90 part, magnesium hydroxide 15-23 part, antioxidant 4010NA 5-10 part, cumyl peroxide 3-7 part and glass fibre 12-25 part.
3. power cable according to claim 2, it is characterized in that, the preparation method of described packing material comprises the following steps: plasticate ethylene propylene diene rubber-acrylate copolymer in banbury 5-10min, add the mixing 10-15min of magnesium hydroxide, antioxidant 4010NA and glass fibre again, finally add cumyl peroxide and continue mixing 5-10min, then extrusion modling in plastic extruding machine, is cable filler.
4. power cable according to claim 1, is characterized in that, described armour is made up of steel band.
5. the power cable according to any one of claim 1-4, it is characterized in that, described sheath and outer jacket are made up of following parts by weight raw material: acrylate rubber 70-85 part, polyurethane rubber 10-16 part, maleic anhydride grafted polyethylene 5-10 part, plasticizer WB3505-8 part, magnesium hydroxide 10-15 part, antioxidant 5-10 part, silane coupler 1-2 part, carbon black 6-11 part, accelerant CZ 1-3 part and zinc oxide 5-10 part.
6. power cable according to claim 5, is characterized in that, described antioxidant is antioxidant 1010 and antioxidant 1076, and both mass ratioes are 1:1.
7. power cable according to claim 5, is characterized in that, described sheath and the preparation method of outer jacket comprise the following steps: by various raw material at the mixing 10-15min of mixing roll high speed, then extrusion molding in twin screw extruder, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510841687.6A CN105355308B (en) | 2015-11-28 | 2015-11-28 | Power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510841687.6A CN105355308B (en) | 2015-11-28 | 2015-11-28 | Power cable |
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| CN105355308A true CN105355308A (en) | 2016-02-24 |
| CN105355308B CN105355308B (en) | 2017-05-10 |
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| CN201510841687.6A Active CN105355308B (en) | 2015-11-28 | 2015-11-28 | Power cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931712A (en) * | 2016-04-22 | 2016-09-07 | 安徽瑞莱尔仪表有限公司 | Copper alloy cable with great fire resistance |
| CN108511126A (en) * | 2017-07-05 | 2018-09-07 | 苏州翠南电子科技有限公司 | A kind of anti-corrosion and high strength cable |
| CN111477385A (en) * | 2020-04-17 | 2020-07-31 | 黄晓祥 | Cable with good pressure resistance |
| CN117594299A (en) * | 2023-11-27 | 2024-02-23 | 华盛电力科技有限公司 | Water-blocking cable |
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| WO2007045345A1 (en) * | 2005-10-21 | 2007-04-26 | Helu Kabel Gmbh | Three-core cable |
| CN101281798A (en) * | 2008-05-08 | 2008-10-08 | 余纪炎 | Insulation material for cable and wire of nuclear power plant |
| CN103571027A (en) * | 2012-07-25 | 2014-02-12 | 日立金属株式会社 | Halogen-free flame-retardant polymer composition, insulated electric wire, and cable |
| CN103524967A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Flame retardant cable sheath material with high malleability and preparation method |
| CN203689990U (en) * | 2013-12-24 | 2014-07-02 | 江苏金牛线缆集团有限公司 | Insulating flame-retardant power cable used for coal mine |
| CN204066797U (en) * | 2014-04-10 | 2014-12-31 | 江苏中辰电缆有限公司 | A kind of anti-interference high temperature-resistant cable |
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| CN105931712A (en) * | 2016-04-22 | 2016-09-07 | 安徽瑞莱尔仪表有限公司 | Copper alloy cable with great fire resistance |
| CN108511126A (en) * | 2017-07-05 | 2018-09-07 | 苏州翠南电子科技有限公司 | A kind of anti-corrosion and high strength cable |
| CN111477385A (en) * | 2020-04-17 | 2020-07-31 | 黄晓祥 | Cable with good pressure resistance |
| CN111477385B (en) * | 2020-04-17 | 2021-11-16 | 湖南三湘电线电缆有限责任公司 | Cable with good pressure resistance |
| CN117594299A (en) * | 2023-11-27 | 2024-02-23 | 华盛电力科技有限公司 | Water-blocking cable |
| CN117594299B (en) * | 2023-11-27 | 2024-04-26 | 华盛电力科技有限公司 | Water-blocking cable |
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