CN105924715A - High-temperature-resisting, insulating and inflaming-retarding power cable material and preparing method thereof - Google Patents
High-temperature-resisting, insulating and inflaming-retarding power cable material and preparing method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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Abstract
The invention discloses a high-temperature-resisting, insulating and inflaming-retarding power cable material and a preparing method thereof. The material is prepared from, by mass, polyolefin elastomer, nano-zirconia, glass fiber, PBO fiber, polyimide fiber, polypropylene, pentaerythritol tetrakis(2-mercaptoacetate), trioctylphosphine orthophthalic triformate, polybutylene terephthalate, cyclohexanedicarboxylic acid diglycidyl ester and toluene diisocyanate. The power cable material is high in bending strength, bending modulus, tensile strength, weather resistance and high temperature resistance, the influence of the environment on a cable sheath is reduced, strength is high, hardness is high, impact resistance is high, stability is excellent, service life is long, corrosion resistance, fire retardancy and insulating property are realized, and the material is worth application and popularization in multiple fields.
Description
Technical field
The invention belongs to power cable production technical field, be specifically related to a kind of high temperature resistant, flame-resistant insulation power cable material
Material and preparation method thereof.
Background technology
In recent years, due to the development of electronic technology, the alloy of copper-based material is used to be also required to different characteristics, including
Good machining type, electric conductivity and bending property, for the development of precision parts, the tension for copper product is strong
The requirement of degree and bending property also gets more and more.
Conventional electric wire, cable can be divided into bare conductor, insulated electric conductor, heatproof wire, shielding wire, electric power electricity by purposes
Cable, control cable, communication cable, radio-frequency cable etc..The electric wire product that power system uses mainly has aerial bare electric wire, remittance
(plastic ca-ble, oilpaper power cable (substantially being replaced by plastic power cable), rubber are overlapped cable, make somebody a mere figurehead absolutely for stream row (bus), power cable
Edge cable), branch cable (replace part bus), electromagnetic wire and power equipment electrical equipment electric wire etc..For electricity
The insulating layer material of power cable needs possess following performance: the breakdown strength that (1) is high；(2) low dielectric loss；(3) suitable
High insulation resistance；(4) excellent resistance to discharge performance；(5) there is certain flexibility and mechanical strength；(6) insulating properties
Steadily in the long term.Macromolecular material has wider purposes in cable material, due to the requirement of above-mentioned character, for cable material
Macromolecular material be also required to possess higher mechanical strength such as bending strength, hot strength etc..
Communication, electric power are the emphasis of nation-building, the development in whichever place, and communication, power construction are always leading, institute
Develop quickly with communication, electric utility.Communication, the development of electric utility, working in coordination of various aspects, wherein cable are wanted in spontaneous combustion
Material is exactly an aspect, general electric wire coating material mainly plastic casing rubber, if electric wire thermoplastic
Having polrvinyl chloride, polyethylene, polypropylene, fluoroplastics, chlorinated polyether and polyamide, the most widely used is polyethylene and polychlorostyrene
Ethylene.In China's polyvinyl chloride cable material development relatively early, kind model is more, for manufacturing the electric wire of various temperature classification
Insulation and sheath.Owing to density of pe is little, electrical property is excellent, it is easy to processing and forming.Polyethylene is in thermoplastic
Big kind, has the features such as light weight, nontoxic, chemical resistance is excellent, but the oxygen index (OI) of polyethylene is the lowest, belongs to easy fuel wood
Material, polyethylene can produce serious melted drippage behavior when burning, and this brings the biggest difficulty to anti-flammability, in addition to inflammable,
Specific insulation and the surface resistivity of polyethylene are the highest, this just make its processing and use during once band on electrostatic the most very
Difficult elimination, two above shortcomings bring the biggest potential safety hazard to the use of polyethylene and reduce range.Red phosphorus
Being the efficient flame-retarding agent of the high polymers such as plastics, rubber, resin and synthetic fibers, red phosphorus itself is inflammable, badly influences red phosphorus
Flame retardant effect.Calcium carbonate filling modification high density polyethylene (HDPE), research emphasis concentrates on and how to realize filling out to greatest extent earlier
Fill, reduce cost, although improve the rigidity of material, but greatly reduce intensity and the fracture toughness of material, and inapplicable
In carrying high density polyethylene (HDPE) sheath material, the present invention uses special process modified nano calcium carbonate to not only improve filler at base
Dispersion effect in body also enhances the two adhesion strength, improves intensity and the toughness of polythene material, strengthens greatly
Bearing capacity, mechanical property is greatly improved.
Electric power is the energy using electric energy as power, and the invention of electric power and application have started second time industrialization climax, from
This science and technology changes the life of people.In order to ensure the Electrical Safety of people, need on the electric equipment products surface having insulating requirements
Coating insulant.Insulant is used to make device at the material electrically insulated, and electric current namely can be stoped to pass through
Material.Its resistivity is the highest, has good electrical insulation capability and high-temperature physical property, also has long shelf-life, moisture resistivity
The feature such as good and fire-retardant.
Summary of the invention
Goal of the invention: the present invention is directed to deficiency of the prior art, proposes a kind of have higher bending strength, bending die
Amount and hot strength, and have the strongest weather resisteant and resistance to elevated temperatures, reduces the environment impact on cable cover(ing), and intensity
Height, hardness is good, and impact resistance is strong, and stability is excellent, and service life is long, has corrosion-resistant, fire protection flame retarding, insulating properties simultaneously
Can, it is suitable for using high temperature resistant, flame-resistant insulation power cable material of being worthy to be popularized and preparation method thereof at multiple fields.
Technical scheme: one of the present invention is high temperature resistant, flame-resistant insulation power cable material, including following mass parts
Material:
Polyolefin elastomer 52-56 part, nano zircite 54-58 part, glass fibre 20-40 part, pbo fiber 10-15 part is poly-
Imide fiber 5-10 part, polypropylene 20-50 part, tetramethylolmethane four mercaptoacetate 3-10 part, phosphorus benzenetricarboxylic acid three monooctyl ester 15-
20 parts, polybutylene terephthalate (PBT) 20-25 part, cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 10-20 part, toluene di-isocyanate (TD.I)
Ester 10-25 part, butyl methacrylate 15-25 part, silane coupler 3-10 part, barium sulfate 3-8 part, polyethylene 50-80 part,
Red phosphorus 10-15 part, paraffin 3-5 part, nano-calcium carbonate 15-25 part, polyvinyl alcohol 1-2 part, polystyrene resin 5-8 part, boron
Acid zinc 1-3 part, tetramethylolmethane stearoylketene amine 5-10 part, expanded graphite 3-5 part, vaseline 2-4 part, chitin 1-3 part,
Plasticizer 2-5 part, filler 3-5 part, stabilizer 1-3 part, lubricant 1-2 part, dehydrated alcohol is appropriate.
Further, described plasticizer is tri trimellitate nonyl ester.
Further, described filler is included by mass parts: calcined kaolin 10-25 part, calcium carbonate 10-30 part.
Further, described stabilizer is calcium-zinc composite stabilizing agent.
Further, described lubricant is stearic acid or calcium stearate or Tissuemat E.
The invention also discloses above-mentioned a kind of high temperature resistant, preparation method of flame-resistant insulation power cable material, including:
(1) it is added to be placed in the flask of water-bath by silane coupler, adds appropriate dehydrated alcohol and be to slowly warm up to completely
Dissolving, the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 70-90 DEG C, adds polyvinyl alcohol, copper
Powder heated and stirred backflow 0.5-1.5h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven
Dry at 110-150 DEG C, grind standby；
(2) red phosphorus and paraffin are mixed, then stir when rising high-temperature to 50-60 DEG C, be added to melt after being rapidly cooled to room temperature
In the polystyrene resin melted, add Firebrake ZB and product mixing and stirring prepared by step (1) naturally cools to room temperature
The most standby；
(3) open type plastic purificating set is risen high-temperature to 160-170 DEG C, polyethylene, tetramethylolmethane stearoylketene amine are added to double roller
Intermediate melt is plasticated, and adds material prepared by step (2) after its mix homogeneously, adjusts double roller spacing, repeatedly makes roll milling, thin leading to
The two mix homogeneously, adds expanded graphite, vaseline, chitin continuation mixing and stirring；
(4) by the mixture of step (3) and polyolefin elastomer, nano zircite, glass fibre, pbo fiber, polyimides fibre
Dimension, polypropylene, being mixed together and join in blender stirring, mixing time is 15min-30min；
(5) in homogenizer, phosphorus benzenetricarboxylic acid three monooctyl ester, polybutylene terephthalate (PBT), cyclohexane cyclohexanedimethanodibasic are added again
2-glycidyl ester, toluene-2,4-diisocyanate, butyl methacrylate, tetramethylolmethane four mercaptoacetate, silane coupler, sulfur
Acid barium, plasticizer, filler, stabilizer, lubricant are stirred after adding mentioned component again, stir；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as high temperature resistant, flame-resistant insulation power cable material.
Further, described homogenizer rotating speed is 200-500r/min.
Further, described double-screw extruder screw draw ratio is 12-14:1.
Beneficial effect: the power cable of the present invention has higher bending strength, bending modulus and hot strength, and has very
Strong weather resisteant and resistance to elevated temperatures, reduce the environment impact on cable cover(ing), and intensity be high, and hardness is good, impact resistance
By force, stability is excellent, and service life is long, has corrosion-resistant, fire protection flame retarding, insulating properties simultaneously, is suitable for making at multiple fields
With being worthy to be popularized.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A kind of high temperature resistant, flame-resistant insulation power cable material, including the material of following mass parts:
Polyolefin elastomer 52 parts, nano zircite 54 parts, glass fibre 20 parts, pbo fiber 10 parts, polyimide fiber 5
Part, polypropylene 20 parts, tetramethylolmethane four mercaptoacetate 3 parts, phosphorus benzenetricarboxylic acid three monooctyl ester 15 parts, polybutylene terephthalate
Ester 20 parts, cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 10 parts, toluene-2,4-diisocyanate 10 parts, butyl methacrylate 15 parts, silicon
Alkane coupling agent 3 parts, 3 parts of barium sulfate, polyethylene 50 parts, 10 parts of red phosphorus, 3 parts of paraffin, nano-calcium carbonate 15 parts, polyvinyl alcohol
1 part, polystyrene resin 5 parts, Firebrake ZB 1 part, tetramethylolmethane stearoylketene amine 5 parts, expanded graphite 3 parts, 2 parts of vaseline,
Chitin 1 part, plasticizer 2 parts, filler 3 parts, stabilizer 1 part, lubricant 1 part, dehydrated alcohol is appropriate.
Further, described plasticizer is tri trimellitate nonyl ester.
Further, described filler is included by mass parts: calcined kaolin 10 parts, calcium carbonate 10 parts.
Further, described stabilizer is calcium-zinc composite stabilizing agent.
Further, described lubricant is stearic acid.
Above-mentioned a kind of high temperature resistant, preparation method of flame-resistant insulation power cable material, including:
(1) it is added to be placed in the flask of water-bath by silane coupler, adds appropriate dehydrated alcohol and be to slowly warm up to completely
Dissolving, the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 70 DEG C, adds polyvinyl alcohol, copper powder
Heated and stirred backflow 0.5h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven at 110 DEG C
Dry, grind standby；
(2) red phosphorus and paraffin are mixed, then stir when rising high-temperature to 50 DEG C, be added to melt after being rapidly cooled to room temperature
Polystyrene resin in, add Firebrake ZB and after product mixing and stirring prepared by step (1) naturally cools to room temperature
Standby；
(3) open type plastic purificating set is risen high-temperature to 160 DEG C, polyethylene, tetramethylolmethane stearoylketene amine are added in the middle of double roller
Melt and plasticate, after its mix homogeneously, add material prepared by step (2), adjust double roller spacing, roll milling, thin leading to repeatedly make the two
Mix homogeneously, adds expanded graphite, vaseline, chitin continuation mixing and stirring；
(4) by the mixture of step (3) and polyolefin elastomer, nano zircite, glass fibre, pbo fiber, polyimides fibre
Dimension, polypropylene, being mixed together and join in blender stirring, mixing time is 15min；
(5) in homogenizer, phosphorus benzenetricarboxylic acid three monooctyl ester, polybutylene terephthalate (PBT), cyclohexane cyclohexanedimethanodibasic are added again
2-glycidyl ester, toluene-2,4-diisocyanate, butyl methacrylate, tetramethylolmethane four mercaptoacetate, silane coupler, sulfur
Acid barium, plasticizer, filler, stabilizer, lubricant are stirred after adding mentioned component again, stir；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as high temperature resistant, flame-resistant insulation power cable material.
Further, described homogenizer rotating speed is 200r/min.
Further, described double-screw extruder screw draw ratio is 12:1.
Embodiment 2
A kind of high temperature resistant, flame-resistant insulation power cable material, including the material of following mass parts:
Polyolefin elastomer 56 parts, nano zircite 58 parts, glass fibre 40 parts, pbo fiber 15 parts, polyimide fiber 10
Part, polypropylene 50 parts, tetramethylolmethane four mercaptoacetate 10 parts, phosphorus benzenetricarboxylic acid three monooctyl ester 20 parts, poly terephthalic acid fourth two
Alcohol ester 25 parts, cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 20 parts, toluene-2,4-diisocyanate 25 parts, butyl methacrylate 25 parts,
Silane coupler 10 parts, 8 parts of barium sulfate, polyethylene 80 parts, 15 parts of red phosphorus, 5 parts of paraffin, nano-calcium carbonate 25 parts, poly-second
Enol 2 parts, polystyrene resin 8 parts, Firebrake ZB 3 parts, tetramethylolmethane stearoylketene amine 10 parts, expanded graphite 5 parts, vaseline
4 parts, chitin 3 parts, plasticizer 5 parts, filler 5 parts, stabilizer 3 parts, lubricant 2 parts, dehydrated alcohol is appropriate.
Further, described plasticizer is tri trimellitate nonyl ester.
Further, described filler is included by mass parts: calcined kaolin 25 parts, calcium carbonate 30 parts.
Further, described stabilizer is calcium-zinc composite stabilizing agent.
Further, described lubricant is calcium stearate.
Above-mentioned a kind of high temperature resistant, preparation method of flame-resistant insulation power cable material, including:
(1) it is added to be placed in the flask of water-bath by silane coupler, adds appropriate dehydrated alcohol and be to slowly warm up to completely
Dissolving, the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 90 DEG C, adds polyvinyl alcohol, copper powder
Heated and stirred backflow 1.5h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven at 150 DEG C
Dry, grind standby；
(2) red phosphorus and paraffin are mixed, then stir when rising high-temperature to 60 DEG C, be added to melt after being rapidly cooled to room temperature
Polystyrene resin in, add Firebrake ZB and after product mixing and stirring prepared by step (1) naturally cools to room temperature
Standby；
(3) open type plastic purificating set is risen high-temperature to 170 DEG C, polyethylene, tetramethylolmethane stearoylketene amine are added in the middle of double roller
Melt and plasticate, after its mix homogeneously, add material prepared by step (2), adjust double roller spacing, roll milling, thin leading to repeatedly make the two
Mix homogeneously, adds expanded graphite, vaseline, chitin continuation mixing and stirring；
(4) by the mixture of step (3) and polyolefin elastomer, nano zircite, glass fibre, pbo fiber, polyimides fibre
Dimension, polypropylene, being mixed together and join in blender stirring, mixing time is 30min；
(5) in homogenizer, phosphorus benzenetricarboxylic acid three monooctyl ester, polybutylene terephthalate (PBT), cyclohexane cyclohexanedimethanodibasic are added again
2-glycidyl ester, toluene-2,4-diisocyanate, butyl methacrylate, tetramethylolmethane four mercaptoacetate, silane coupler, sulfur
Acid barium, plasticizer, filler, stabilizer, lubricant are stirred after adding mentioned component again, stir；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as high temperature resistant, flame-resistant insulation power cable material.
Further, described homogenizer rotating speed is 500r/min.
Further, described double-screw extruder screw draw ratio is 14:1.
Embodiment 3
A kind of high temperature resistant, flame-resistant insulation power cable material, including the material of following mass parts:
Polyolefin elastomer 54 parts, nano zircite 56 parts, glass fibre 30 parts, pbo fiber 12 parts, polyimide fiber 7
Part, polypropylene 35 parts, tetramethylolmethane four mercaptoacetate 6 parts, phosphorus benzenetricarboxylic acid three monooctyl ester 17 parts, polybutylene terephthalate
Ester 22 parts, cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 15 parts, toluene-2,4-diisocyanate 15 parts, butyl methacrylate 20 parts, silicon
Alkane coupling agent 6 parts, 5 parts of barium sulfate, polyethylene 65 parts, 12 parts of red phosphorus, 4 parts of paraffin, nano-calcium carbonate 20 parts, polyvinyl alcohol
1 part, polystyrene resin 6 parts, Firebrake ZB 2 parts, tetramethylolmethane stearoylketene amine 7 parts, expanded graphite 4 parts, 3 parts of vaseline,
Chitin 2 parts, plasticizer 3 parts, filler 4 parts, stabilizer 2 parts, lubricant 1 part, dehydrated alcohol is appropriate.
Further, described plasticizer is tri trimellitate nonyl ester.
Further, described filler is included by mass parts: calcined kaolin 20 parts, calcium carbonate 20 parts.
Further, described stabilizer is calcium-zinc composite stabilizing agent.
Further, described lubricant is Tissuemat E.
The invention also discloses above-mentioned a kind of high temperature resistant, preparation method of flame-resistant insulation power cable material, including:
(1) it is added to be placed in the flask of water-bath by silane coupler, adds appropriate dehydrated alcohol and be to slowly warm up to completely
Dissolving, the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 80 DEG C, adds polyvinyl alcohol, copper powder
Heated and stirred backflow 1h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven at 130 DEG C baking
Dry, grind standby；
(2) red phosphorus and paraffin are mixed, then stir when rising high-temperature to 55 DEG C, be added to melt after being rapidly cooled to room temperature
Polystyrene resin in, add Firebrake ZB and after product mixing and stirring prepared by step (1) naturally cools to room temperature
Standby；
(3) open type plastic purificating set is risen high-temperature to 165 DEG C, polyethylene, tetramethylolmethane stearoylketene amine are added in the middle of double roller
Melt and plasticate, after its mix homogeneously, add material prepared by step (2), adjust double roller spacing, roll milling, thin leading to repeatedly make the two
Mix homogeneously, adds expanded graphite, vaseline, chitin continuation mixing and stirring；
(4) by the mixture of step (3) and polyolefin elastomer, nano zircite, glass fibre, pbo fiber, polyimides fibre
Dimension, polypropylene, being mixed together and join in blender stirring, mixing time is 20min；
(5) in homogenizer, phosphorus benzenetricarboxylic acid three monooctyl ester, polybutylene terephthalate (PBT), cyclohexane cyclohexanedimethanodibasic are added again
2-glycidyl ester, toluene-2,4-diisocyanate, butyl methacrylate, tetramethylolmethane four mercaptoacetate, silane coupler, sulfur
Acid barium, plasticizer, filler, stabilizer, lubricant are stirred after adding mentioned component again, stir；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as high temperature resistant, flame-resistant insulation power cable material.
Further, described homogenizer rotating speed is 350r/min.
Further, described double-screw extruder screw draw ratio is 13:1.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (8)
1. high temperature resistant, a flame-resistant insulation power cable material, it is characterised in that: include the material of following mass parts:
Polyolefin elastomer 52-56 part, nano zircite 54-58 part, glass fibre 20-40 part, pbo fiber 10-15 part is poly-
Imide fiber 5-10 part, polypropylene 20-50 part, tetramethylolmethane four mercaptoacetate 3-10 part, phosphorus benzenetricarboxylic acid three monooctyl ester 15-
20 parts, polybutylene terephthalate (PBT) 20-25 part, cyclohexane cyclohexanedimethanodibasic 2-glycidyl ester 10-20 part, toluene di-isocyanate (TD.I)
Ester 10-25 part, butyl methacrylate 15-25 part, silane coupler 3-10 part, barium sulfate 3-8 part, polyethylene 50-80 part,
Red phosphorus 10-15 part, paraffin 3-5 part, nano-calcium carbonate 15-25 part, polyvinyl alcohol 1-2 part, polystyrene resin 5-8 part, boron
Acid zinc 1-3 part, tetramethylolmethane stearoylketene amine 5-10 part, expanded graphite 3-5 part, vaseline 2-4 part, chitin 1-3 part,
Plasticizer 2-5 part, filler 3-5 part, stabilizer 1-3 part, lubricant 1-2 part, dehydrated alcohol is appropriate.
One the most according to claim 1 is high temperature resistant, flame-resistant insulation power cable material, it is characterised in that: described plasticising
Agent is tri trimellitate nonyl ester.
One the most according to claim 1 is high temperature resistant, flame-resistant insulation power cable material, it is characterised in that: described filler
Include by mass parts: calcined kaolin 10-25 part, calcium carbonate 10-30 part.
One the most according to claim 1 is high temperature resistant, flame-resistant insulation power cable material, it is characterised in that: described stable
Agent is calcium-zinc composite stabilizing agent.
One the most according to claim 1 is high temperature resistant, flame-resistant insulation power cable material, it is characterised in that: described lubrication
Agent is stearic acid or calcium stearate or Tissuemat E.
6. according to a kind of high temperature resistant, the preparation method of flame-resistant insulation power cable material described in claim 1-5 any one,
It is characterized in that: including:
(1) it is added to be placed in the flask of water-bath by silane coupler, adds appropriate dehydrated alcohol and be to slowly warm up to completely
Dissolving, the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 70-90 DEG C, adds polyvinyl alcohol, copper
Powder heated and stirred backflow 0.5-1.5h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven
Dry at 110-150 DEG C, grind standby；
(2) red phosphorus and paraffin are mixed, then stir when rising high-temperature to 50-60 DEG C, be added to melt after being rapidly cooled to room temperature
In the polystyrene resin melted, add Firebrake ZB and product mixing and stirring prepared by step (1) naturally cools to room temperature
The most standby；
(3) open type plastic purificating set is risen high-temperature to 160-170 DEG C, polyethylene, tetramethylolmethane stearoylketene amine are added to double roller
Intermediate melt is plasticated, and adds material prepared by step (2) after its mix homogeneously, adjusts double roller spacing, repeatedly makes roll milling, thin leading to
The two mix homogeneously, adds expanded graphite, vaseline, chitin continuation mixing and stirring；
(4) by the mixture of step (3) and polyolefin elastomer, nano zircite, glass fibre, pbo fiber, polyimides fibre
Dimension, polypropylene, being mixed together and join in blender stirring, mixing time is 15min-30min；
(5) in homogenizer, phosphorus benzenetricarboxylic acid three monooctyl ester, polybutylene terephthalate (PBT), cyclohexane cyclohexanedimethanodibasic are added again
2-glycidyl ester, toluene-2,4-diisocyanate, butyl methacrylate, tetramethylolmethane four mercaptoacetate, silane coupler, sulfur
Acid barium, plasticizer, filler, stabilizer, lubricant are stirred after adding mentioned component again, stir；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as high temperature resistant, flame-resistant insulation power cable material.
A kind of high temperature resistant, preparation method of flame-resistant insulation power cable material the most according to claim 6, its feature exists
In: described homogenizer rotating speed is 200-500r/min.
A kind of high temperature resistant, preparation method of flame-resistant insulation power cable material the most according to claim 6, its feature exists
In: described double-screw extruder screw draw ratio is 12-14:1.
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| CN106543529A (en) * | 2016-10-17 | 2017-03-29 | 安徽省绿环电气股份有限公司 | A kind of polyethylene insulation flexible power cable |
| CN106543536A (en) * | 2016-10-26 | 2017-03-29 | 安徽伊法拉电力科技有限公司 | A kind of demagnetization water-proof anti-aging insulating materials |
| CN106543537A (en) * | 2016-10-26 | 2017-03-29 | 安徽伊法拉电力科技有限公司 | It is a kind of to be used for power cable high pressure resistant insulation material |
| CN106751344A (en) * | 2016-12-21 | 2017-05-31 | 柳州市昌泉贸易有限公司 | A kind of preparation method of radiation proof fire-resistant cable material |
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| CN110057188A (en) * | 2018-01-25 | 2019-07-26 | 临沂鑫海新型材料有限公司 | A kind of New insulated seat for ore-smelting electric furnace |
| JP2020050699A (en) * | 2018-09-25 | 2020-04-02 | 積水化学工業株式会社 | Fire-resistant resin composition, and thermally expandable sheet |
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