CN107808715B - A kind of modified complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing method - Google Patents
A kind of modified complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing method Download PDFInfo
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- CN107808715B CN107808715B CN201710901375.9A CN201710901375A CN107808715B CN 107808715 B CN107808715 B CN 107808715B CN 201710901375 A CN201710901375 A CN 201710901375A CN 107808715 B CN107808715 B CN 107808715B
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
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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
- H01B7/02—Disposition of insulation
- H01B7/0258—Disposition of insulation comprising one or more longitudinal lapped layers of insulation
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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
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Abstract
The present invention relates to modified complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing methods, and the cable is to be modified complex fire resistant mineral zone as the clad on the outside of conductor and cable core；Modified complex fire resistant mineral zone bonds alkali-free glass cloth on its two sides using synthetic mica paper as substrate with high temperature resistant adhesive, and bonding agent contains following component by weight percentage: nano-MgO particle 2%-8%, nanometer Al2O3Particle 2%-6%, KMg3(AlSi3O10)F22%-8%, nano-MgO fiber 1%-5%, amide groups amide 0.8%-2.5%, stannous iso caprylate 0.1%-0.2%, remaining is dimethyl silicone polymer glue body.Compared with prior art, modified complex mineral insulation high-temperature-resistant noninflammability cable according to an embodiment of the present invention, structure is simple, and manufacturing process is easy, and high temperature resistance significantly improves, and cable application is safer.
Description
Technical field
The invention belongs to electric line clothing arts, it is related to a kind of cable and its manufacturing method more particularly to one kind changes
Property complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing method.
Background technique
With social economy's high speed development, electricity needs is growing, and the application environment of electric power energy also becomes increasingly complex；
On the other hand, living standards of the people are continuously improved, and user increasingly payes attention to the security reliability of power circuit.It is high-rise and super
The places such as high-rise civil building, important public building, Rail Transit System, fire-fighting distribution system, petrochemical industry are all using tool
There is the wire and cable of fire resisting or flame retardant property.
The fire resisting of organic insulation or flame-retardant electric wire and cable are limited by material inherent characteristic, and high temperature resistance is limited, Bu Nengman
Sufficient practical application request.Traditional magnesium oxide mineral insulation cable has excellent high temperature resistance, but its is with high costs, and makes
Complex procedures are made, the cable specification and limited length that can be manufactured need largely to be connect during installation
Head processing, workload are very big.
While how reducing material and production cost, simplify technique, improves cable and improve wire and cable in extreme environment
In high temperature resistant, impact resistance, be improve fire in power circuit runing time important measures, for ensure people's life
It is significant with property safety.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention is intended to provide a kind of inorganic insulation superhigh temperature resistant noninflammability cable with
And a kind of preparation method of inorganic insulation superhigh temperature resistant noninflammability cable.
According to an aspect of the present invention, a kind of modified complex mineral insulation high-temperature-resistant noninflammability cable, the cable include
High temperature resistant cable core and the metal sheath being coated on the outside of high temperature resistant cable core, the high temperature resistant cable core include exhausted by more high temperature resistants
The modification complex fire resistant mineral zone coated on the outside of the twisted cable core obtained of edge core and cable core, the high-temperature insulation core
Including metallic conductor and the modification complex fire resistant mineral zone being coated on the outside of metallic conductor；Wherein, it is coated on the outside of cable core
Modified complex fire resistant mineral zone and the modification complex fire resistant mineral zone being coated on the outside of metallic conductor are with synthetic mica paper
For substrate, and alkali-free glass cloth is bonded with high temperature resistant adhesive on synthetic mica paper two sides, the bonding agent is by weight percentage
Contain following component: nano-MgO particle 2%-8%, nanometer Al2O3Particle 2%-6%, KMg3(AlSi3O10)F22%-8%,
Nano-MgO fiber 1%-5%, amide groups amide 0.8%-2.5%, stannous iso caprylate 0.1%-0.2%, remaining is poly dimethyl
Siloxanes colloid；The modification complex fire resistant mineral zone coated on the outside of cable core and the modification being coated on the outside of metallic conductor are compound
High temperature resistant mineral zone heatproof is greater than 1380 DEG C, is at least 228MPa in 155 DEG C of buckling strengths, buckling modulus is extremely
It is less 65GPa, impact of collision intensity is at least 155kJ/m3, electrical strength is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not
Greater than 1.5%.
According to another aspect of the present invention, a kind of manufacturing method of modified complex mineral insulation high-temperature-resistant noninflammability cable,
The following steps are included:
Conductor is made using copper product；
By weight percentage: nano-MgO particle 2%-8%, nanometer Al2O3Particle 2%-6%, KMg3(AlSi3O10)
F22%-8%, nano-MgO fiber 1%-5%, amide groups amide 0.8%-2.5%, stannous iso caprylate 0.1%-0.2%, remaining
For dimethyl silicone polymer glue body, ingredient is carried out；
Nano-MgO particle, nanometer Al are added into dimethyl silicone polymer glue body2O3Particle, KMg3(AlSi3O10)F2With
Nano-MgO fiber, high speed dispersion uniformly grind 30min afterwards, and 25 DEG C at a temperature of amide groups amide is added and isooctyl acid is sub-
High temperature resistant adhesive is made in tin；
Using synthetic mica paper as substrate, alkali-free glass cloth is bonded with high temperature resistant adhesive on synthetic mica paper two sides, will be glued
Complex fire resistant mineral zone after connecing stands 20min-30min at a temperature of 25 DEG C, and successively carries out three step heat bakings processing, processing
Condition is followed successively by 60 DEG C × 10min, 85 DEG C × 15min and 125 DEG C × 10min, obtains modified complex fire resistant mineral zone；
Modified complex fire resistant mineral zone is coated on the outside of metallic conductor, high-temperature insulation core is formed；It is resistance to by more
The twisted obtained cable core of high-temperature insulation core, and the coating modification complex fire resistant mineral zone on the outside of cable core, form high temperature resistant cable core；
Metal sheath is coated on the outside of the high temperature resistant cable core for being coated with modified complex fire resistant mineral zone, obtains being modified compound
Mineral insulation heat resistance noninflammability cable.
According to an embodiment of the invention, the average grain diameter of the nano-MgO particle is 55nm-80nm, nanometer Al2O3Particle
Average grain diameter be 65nm-80nm, the diameter of nano-MgO fiber is 15nm-25nm, length 90nm-115nm.
Integrated use material of the present invention and inventive process prepare modified complex fire resistant layer mineral, and realizing has high temperature resistant
The preparation for the cable haveing excellent performance.Modification complex fire resistant layer mineral heatproof prepared by the present invention is greater than 1380 DEG C, 155
DEG C buckling strength be at least 228MPa, buckling modulus is at least 65GPa, and impact of collision intensity is at least 155kJ/
m3, electrical strength is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not more than 1.5%.
Compared with prior art, the present invention modified complex mineral insulation high-temperature-resistant noninflammability electricity according to an embodiment of the present invention
Cable, structure is simple, and manufacturing process is easy, and high temperature resistance significantly improves, and cable application is safer.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, the present invention is made into one by following specific embodiment
Step detailed description.Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Conductor is made using copper product (or other conductive materials)；
By weight percentage: nano-MgO particle 2%, nanometer Al2O3Particle 6%, KMg3(AlSi3O10)F22%, nanometer
MgO fiber 2%, amide groups amide 0.8%, stannous iso caprylate 0.1%, remaining is dimethyl silicone polymer glue body, carries out ingredient；
Nano-MgO particle, nanometer Al are added into dimethyl silicone polymer glue body according to aforementioned proportion2O3Particle, KMg3
(AlSi3O10)F2With nano-MgO fiber, high speed dispersion uniformly grinds 30min afterwards, and in 25 DEG C of at a temperature of addition amide groups acyl
High temperature resistant adhesive is made in amine, stannous iso caprylate；The average grain diameter of the nano-MgO particle is 60nm, nanometer Al2O3Particle
Average grain diameter is 65nm, and the diameter of nano-MgO fiber is 25nm, length 90nm.
Using synthetic mica paper as substrate, alkali-free glass cloth is bonded with high temperature resistant adhesive on its two sides, by answering after bonding
It closes high temperature resistant mineral zone and stands 20min at a temperature of 25 DEG C, and successively carry out three step heat bakings processing, treatment conditions are followed successively by 60 DEG C
× 10min, 85 DEG C × 15min and 125 DEG C × 10min obtain modified complex fire resistant mineral zone；
Modified complex fire resistant mineral zone is coated on the outside of metallic conductor, high-temperature insulation core is formed；It is resistance to by more
The twisted obtained cable core of high-temperature insulation core, and the coating modification complex fire resistant mineral zone on the outside of cable core, form high temperature resistant cable core；
Metal sheath is coated on the outside of the high temperature resistant cable core for being coated with modified complex fire resistant mineral zone, obtains being modified compound
Mineral insulation heat resistance noninflammability cable.
Modification complex fire resistant layer mineral heatproof prepared by the present embodiment is curved 155 DEG C of longitudinal directions greater than 1380 DEG C
Qu Qiangdu is at least 228MPa, and buckling modulus is at least 65GPa, and impact of collision intensity is at least 155kJ/m3, electrical strong
Degree is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not more than 1.5%.
Embodiment 2
Conductor is made using copper product (or other conductive materials)；
By weight percentage: nano-MgO particle 5%, nanometer Al2O3Particle 3%, KMg3(AlSi3O10)F25%, nanometer
MgO fiber 3%, amide groups amide 0.9%, stannous iso caprylate 0.1%, remaining is dimethyl silicone polymer glue body, carries out ingredient；
Nano-MgO particle, nanometer Al are added into dimethyl silicone polymer glue body according to aforementioned proportion2O3Particle, KMg3
(AlSi3O10)F2With nano-MgO fiber, high speed dispersion uniformly grinds 30min afterwards, and in 25 DEG C of at a temperature of addition amide groups acyl
High temperature resistant adhesive is made in amine and stannous iso caprylate；The average grain diameter of the nano-MgO particle is 65nm, nanometer Al2O3Particle
Average grain diameter be 80nm, the diameter of nano-MgO fiber is 20nm, length 95nm.
Using synthetic mica paper as substrate, alkali-free glass cloth is bonded with high temperature resistant adhesive on its two sides, by answering after bonding
It closes high temperature resistant mineral zone and stands 30min at a temperature of 25 DEG C, and successively carry out three step heat bakings processing, treatment conditions are followed successively by 60 DEG C
× 10min, 85 DEG C × 15min and 125 DEG C × 10min obtain modified complex fire resistant mineral zone；
Modified complex fire resistant mineral zone is coated on the outside of metallic conductor, high-temperature insulation core is formed；It is resistance to by more
The twisted obtained cable core of high-temperature insulation core, and the coating modification complex fire resistant mineral zone on the outside of cable core, form high temperature resistant cable core；
Metal sheath is coated on the outside of the high temperature resistant cable core for being coated with modified complex fire resistant mineral zone, obtains being modified compound
Mineral insulation heat resistance noninflammability cable.
Modification complex fire resistant layer mineral heatproof prepared by the present embodiment is curved 155 DEG C of longitudinal directions greater than 1380 DEG C
Qu Qiangdu is at least 228MPa, and buckling modulus is at least 65GPa, and impact of collision intensity is at least 155kJ/m3, electrical strong
Degree is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not more than 1.5%.
Embodiment 3
Conductor is made using copper product (or other conductive materials)；
By weight percentage: nano-MgO particle 8%, nanometer Al2O3Particle 2%, KMg3(AlSi3O10)F23%, nanometer
MgO fiber 5%, amide groups amide 1.5%, stannous iso caprylate 0.2%, remaining is dimethyl silicone polymer glue body, carries out ingredient；
Nano-MgO particle, nanometer Al are added into dimethyl silicone polymer glue body according to aforementioned proportion2O3Particle, KMg3
(AlSi3O10)F2With nano-MgO fiber, high speed dispersion uniformly grinds 30min afterwards, and in 25 DEG C of at a temperature of addition amide groups acyl
High temperature resistant adhesive is made in amine and stannous iso caprylate；The average grain diameter of the nano-MgO particle is 55nm, nanometer Al2O3Particle
Average grain diameter be 80nm, the diameter of nano-MgO fiber is 23nm, length 98nm.
Using synthetic mica paper as substrate, alkali-free glass cloth is bonded with high temperature resistant adhesive on its two sides, by answering after bonding
It closes high temperature resistant mineral zone and stands 30min at a temperature of 25 DEG C, and successively carry out three step heat bakings processing, treatment conditions are followed successively by 60 DEG C
× 10min, 85 DEG C × 15min and 125 DEG C × 10min obtain modified complex fire resistant mineral zone；
Modified complex fire resistant mineral zone is coated on the outside of metallic conductor, high-temperature insulation core is formed；It is resistance to by more
The twisted obtained cable core of high-temperature insulation core, and the coating modification complex fire resistant mineral zone on the outside of cable core, form high temperature resistant cable core；
Metal sheath is coated on the outside of the high temperature resistant cable core for being coated with modified complex fire resistant mineral zone, obtains being modified compound
Mineral insulation heat resistance noninflammability cable.
Modification complex fire resistant layer mineral heatproof prepared by the present embodiment is curved 155 DEG C of longitudinal directions greater than 1380 DEG C
Qu Qiangdu is at least 228MPa, and buckling modulus is at least 65GPa, and impact of collision intensity is at least 155kJ/m3, electrical strong
Degree is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not more than 1.5%.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (3)
1. a kind of modified complex mineral insulation high-temperature-resistant noninflammability cable, which is characterized in that the cable includes high temperature resistant cable core
And it is coated on the metal sheath on the outside of high temperature resistant cable core, the high temperature resistant cable core includes being twisted by more high-temperature insulation cores
The modification complex fire resistant mineral zone coated on the outside of cable core and cable core obtained, the high-temperature insulation core includes that metal is led
Body and the modification complex fire resistant mineral zone being coated on the outside of metallic conductor；Wherein, the modification coated on the outside of cable core is compound resistance to
High temperature mineral band and the modification complex fire resistant mineral zone being coated on the outside of metallic conductor using synthetic mica paper as substrate, and
Synthetic mica paper two sides with high temperature resistant adhesive bond alkali-free glass cloth, the bonding agent contain by weight percentage below at
Point: nano-MgO particle 2%-8%, nanometer Al2O3Particle 2%-6%, KMg3(AlSi3O10)F22%-8%, nano-MgO fiber
1%-5%, amide groups amide 0.8%-2.5%, stannous iso caprylate 0.1%-0.2%, remaining is dimethyl silicone polymer glue body；
The modification complex fire resistant mineral zone coated on the outside of cable core and the modification complex fire resistant mineral being coated on the outside of metallic conductor
Band heatproof is greater than 1380 DEG C, is at least 228MPa in 155 DEG C of buckling strengths, and buckling modulus is at least 65GPa,
Impact of collision intensity is at least 155kJ/m3, electrical strength is at least 92MV/m, and 155 DEG C of dielectric dissipation factors are not more than 1.5%.
2. a kind of manufacturing method of modified complex mineral insulation high-temperature-resistant noninflammability cable, which comprises the following steps:
By weight percentage: nano-MgO particle 2%-8%, nanometer Al2O3Particle 2%-6%, KMg3(AlSi3O10)F22%-
8%, nano-MgO fiber 1%-5%, amide groups amide 0.8%-2.5%, stannous iso caprylate 0.1%-0.2%, remaining is poly- two
Methylsiloxane colloid carries out ingredient；
Nano-MgO particle, nanometer Al are added into dimethyl silicone polymer glue body2O3Particle, KMg3(AlSi3O10)F2And nanometer
MgO fiber, high speed dispersion uniformly grind 30min afterwards, and 25 DEG C at a temperature of amide groups amide and stannous iso caprylate, system is added
Obtain high temperature resistant adhesive；
Using synthetic mica paper as substrate, alkali-free glass cloth is bonded with the high temperature resistant adhesive on synthetic mica paper two sides, will be glued
Complex fire resistant mineral zone after connecing stands 20min-30min at a temperature of 25 DEG C, and successively carries out three step heat bakings processing, processing
Condition is followed successively by 60 DEG C × 10min, 85 DEG C × 15min and 125 DEG C × 10min, obtains modified complex fire resistant mineral zone；
Modified complex fire resistant mineral zone is coated on the outside of metallic conductor, high-temperature insulation core is formed；By more high temperature resistants
The twisted obtained cable core of insulated wire cores, and the coating modification complex fire resistant mineral zone on the outside of cable core, form high temperature resistant cable core；
Metal sheath is coated on the outside of the high temperature resistant cable core for being coated with modified complex fire resistant mineral zone, obtains modified complex mineral
Insulation high-temperature-resistant noninflammability cable.
3. manufacturing method according to claim 2, which is characterized in that the average grain diameter of the nano-MgO particle is 55nm-
80nm, nanometer Al2O3The average grain diameter of particle is 65nm-80nm, and the diameter of nano-MgO fiber is 15nm-25nm, length is
90nm-115nm。
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| CN201710901375.9A CN107808715B (en) | 2017-09-28 | 2017-09-28 | A kind of modified complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing method |
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| CN201710901375.9A CN107808715B (en) | 2017-09-28 | 2017-09-28 | A kind of modified complex mineral insulation high-temperature-resistant noninflammability cable and its manufacturing method |
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| CN107808715B true CN107808715B (en) | 2019-04-19 |
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| CN110092975A (en) * | 2019-04-03 | 2019-08-06 | 上海新益电力线路器材有限公司 | Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method |
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| CN103481598A (en) * | 2013-09-27 | 2014-01-01 | 昆山市奋发绝缘材料有限公司 | Mica tape for grade-A fire-resistant cable |
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| CN103400638A (en) * | 2013-07-30 | 2013-11-20 | 苏州巨峰电气绝缘系统股份有限公司 | Corona-resistant groove insulation material and preparation method thereof |
| CN103481598A (en) * | 2013-09-27 | 2014-01-01 | 昆山市奋发绝缘材料有限公司 | Mica tape for grade-A fire-resistant cable |
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