CN110092975A - Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method - Google Patents
Insulation Material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method Download PDFInfo
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- CN110092975A CN110092975A CN201910263870.0A CN201910263870A CN110092975A CN 110092975 A CN110092975 A CN 110092975A CN 201910263870 A CN201910263870 A CN 201910263870A CN 110092975 A CN110092975 A CN 110092975A
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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
- 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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
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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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- 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
- H01B7/0275—Disposition of insulation comprising one or more extruded 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
- H01B9/00—Power cables
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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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention relates to a kind of Insulation Materials, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method thereof.Compared with prior art, preparation method according to an embodiment of the present invention uses linear low density polyethylene, ethene-vinyl acetate copolymer, KMg3(AlSi3O10)F2, isocyanate propyl triethoxysilane, dimethyl silicone polymer, diisooctyl phthalate, DBPC 2,6 ditertiary butyl p cresol, calcium stearate, 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane, dehydrated alcohol prepare insulating layer.The preparation method of polyvinyl mica collaboration reinforced insulation flame retardant cable according to an embodiment of the present invention improves its electrical, insulation and mechanical property while can significantly improving cable flame retardance.
Description
Technical field
The invention belongs to electric line clothing arts, be related to a kind of cable and preparation method thereof, more particularly to it is a kind of absolutely
Edge material, polyvinyl mica collaboration reinforced insulation flame retardant cable and preparation method thereof.
Background technique
Cable is the important component of electric line, for realizing the transmission of electric power energy.It is coated in the construction of cable
Insulating layer on the outside of metallic conductor has great influence to the comprehensive performance of cable.The most basic effect of insulating layer is will to pass
The metallic conductor of transmission of electricity stream is isolated with outer layer, and keeps long service in the case where bearing voltage.With each application field
It continues to develop, the Service Environment of cable is increasingly sophisticated and subdivision, the requirement to cable insulation performance are also higher and higher.
The insulating materials of existing power cable is broadly divided into organic insulation and two kinds organic combined insulated.Organic insulating material
Predominantly polyvinyl chloride, crosslinked polyethylene, are widely used in conventional electrical power cable, it is advantageous that at low cost, maximum deficiency
It is that insulating layer does not have high temperature resistant, fire-retardant, low temperature resistant performance.It is organic combined insulated to be usually with polyvinyl chloride or polyolefin
Basis increases clay and hydroxide inorganic matter etc. and is used as compound phase, and compared to organic insulation, oxygen index (OI) is improved, tool
There is certain flame retardant property, but electric property, insulation performance and mechanical property are by different degrees of adverse effect.How
While improving cable security performance especially flame retardant property, improves its electrical, insulation and mechanical property, there is important meaning
Justice.
For the deficiency for solving existing product and technique, the application application new material and new process manufacture can be in particular surroundings
Used in polyvinyl mica cooperate with reinforced insulation flame retardant cable.
Summary of the invention
In order to overcome problems of the prior art, the present invention is intended to provide a kind of Insulation Material, polyvinyl mica are assisted
With reinforced insulation flame retardant cable and preparation method thereof.
According to an aspect of the present invention, a kind of polyvinyl mica cooperates with reinforced insulation material, by weight by with the following group
It is grouped as: 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 parts by weight, KMg3
(AlSi3O10) F2 2.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, dimethyl silicone polymer
0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-2.2 weight
Part, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 parts by weight, vinyl
Three ('beta '-methoxy ethyoxyl) silane 0.03-0.12 parts by weight, 100 parts by weight of dehydrated alcohol.
According to another aspect of the present invention, a kind of preparation method of polyvinyl mica collaboration reinforced insulation material, including
Following steps:
Ingredient: preparation 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 weight by weight
Measure part, KMg3(AlSi3O10)F22.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, poly- diformazan
Radical siloxane 0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-
2.2 parts by weight, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 weight
Part, ('beta '-methoxy ethyoxyl) the silane 0.03-0.12 of vinyl three parts by weight, 100 parts by weight of dehydrated alcohol are spare；
Mica is modified: 100 parts by weight are added in ('beta '-methoxy ethyoxyl) silane of vinyl three of 0.03-0.12 parts by weight
It is sufficiently mixed in dehydrated alcohol, continuously adds the mica (KMg for being preheated to 80 DEG C of 2.5-5.8 parts by weight3(AlSi3O10)F2)
Powder, 95 DEG C of constant temperature stir 25min, obtain modified micaceous powder；
Polyvinyl colloid preparation: by 100 parts by weight linear low density polyethylene, 12-20 parts by weight of ethylene-vinyl acetate
Copolymer, 6-12 parts by weight isocyanate propyl triethoxysilane, 0.6-0.9 parts by weight dimethyl silicone polymer, 0.3-0.8
Parts by weight diisooctyl phthalate, 0.8-2.2 parts by weight DBPC 2,6 ditertiary butyl p cresol, 0.05-0.09 parts by weight are stearic
Sour calcium, 0.03-0.08 parts by weight 2- hydroxyl -4- dodecyloxy benzophenones are uniformly mixed, and are added in mixer and are kneaded,
Melting temperature is 85 DEG C -95 DEG C, and mixing time 45min-60min obtains polyvinyl colloid；
The collaboration reinforced insulation material preparation of polyvinyl mica: modified micaceous powder and polyvinyl colloid are sufficiently mixed, will
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing.
According to another aspect of the invention, a kind of polyvinyl mica cooperates with reinforced insulation flame retardant cable, by single or more
Root core and the sheath being coated on the outside of core composition；The core includes copper conductor and the poly- second that is coated on the outside of copper conductor
Alkenyl mica cooperates with reinforced insulation layer；The polyvinyl mica collaboration reinforced insulation layer is composed of the following components by weight:
100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 parts by weight, KMg3(AlSi3O10)F2 2.5-
5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, dimethyl silicone polymer 0.6-0.9 parts by weight, neighbour
Phthalic acid diisodecyl ester 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-2.2 parts by weight, calcium stearate 0.05-
0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 parts by weight, (the 'beta '-methoxy ethoxy of vinyl three
Base) silane 0.03-0.12 parts by weight, 100 parts by weight of dehydrated alcohol.
An exemplary embodiment of the present invention, which is characterized in that the vertical combustion grade of the insulating layer reaches highest
V-0 grade, oxygen index (OI) be not less than 45%, dielectric constant be not more than 1.32, volume resistivity be not less than 13.2 × 1014ρv/Ω·
M, dielectric strength are not less than 49kV/mm, and tensile strength is not less than 18.2MPa, and break-draw strain is not less than 751%.
According to other aspects of the invention, a kind of preparation method of polyvinyl mica collaboration reinforced insulation flame retardant cable,
The following steps are included:
Using annealing copper product, stranded conductor is made；
Ingredient: preparation 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 weight by weight
Measure part, KMg3(AlSi3O10)F22.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, poly- diformazan
Radical siloxane 0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-
2.2 parts by weight, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 weight
Part, ('beta '-methoxy ethyoxyl) the silane 0.03-0.12 of vinyl three parts by weight, 100 parts by weight of dehydrated alcohol are spare；
Mica is modified: 100 parts by weight are added in ('beta '-methoxy ethyoxyl) silane of vinyl three of 0.03-0.12 parts by weight
It is sufficiently mixed in dehydrated alcohol, continuously adds the mica (KMg for being preheated to 80 DEG C of 2.5-5.8 parts by weight3(AlSi3O10)F2)
Powder, 95 DEG C of constant temperature stir 25min, obtain modified micaceous powder；
Polyvinyl colloid preparation: by 100 parts by weight linear low density polyethylene, 12-20 parts by weight of ethylene-vinyl acetate
Copolymer, 6-12 parts by weight isocyanate propyl triethoxysilane, 0.6-0.9 parts by weight dimethyl silicone polymer, 0.3-0.8
Parts by weight diisooctyl phthalate, 0.8-2.2 parts by weight DBPC 2,6 ditertiary butyl p cresol, 0.05-0.09 parts by weight are stearic
Sour calcium, 0.03-0.08 parts by weight 2- hydroxyl -4- dodecyloxy benzophenones are uniformly mixed, and are added in mixer and are kneaded,
Melting temperature is 85 DEG C -95 DEG C, and mixing time 45min-60min obtains polyvinyl colloid；
The collaboration reinforced insulation material preparation of polyvinyl mica: modified micaceous powder and polyvinyl colloid are sufficiently mixed, will
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
Polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, obtains polyvinyl
Mica cooperates with reinforced insulation core；
Reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation core in single polyvinyl mica
Multilayer sheath is successively coated on the outside of stranded stranding cable core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
An exemplary embodiment of the present invention, it is 185 that the polyvinyl mica collaboration reinforced insulation material, which extrudes temperature,
℃ -210℃。
Compared with prior art, the present invention is based on materials and technique, and realizing has the cable of fire-retardant and excellent combination property.
Polyvinyl mica of the invention cooperates with reinforced insulation flame retardant cable, and vertical combustion grade reaches V-0 grades highest, and oxygen refers to
Number is not less than 45%, and dielectric constant is not more than 1.32, and volume resistivity is not less than 13.2 × 1014ρ v/ Ω m, dielectric strength is not
Less than 49kV/mm, tensile strength is not less than 18.2MPa, and break-draw strain is not less than 751%, and passes through -76 DEG C of low temperature
Brittle test is impacted, the safe transport of power transmission may be implemented.
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.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiments shall fall within the protection scope of the present invention.
Embodiment 1:
1, using annealing copper product, stranded conductor is made；
2, by weight prepare 100 parts by weight of linear low density polyethylene, 12 parts by weight of ethene-vinyl acetate copolymer,
KMg3(AlSi3O10)F22.5 parts by weight, 8 parts by weight of isocyanate propyl triethoxysilane, 0.9 weight of dimethyl silicone polymer
Measure part, 0.8 parts by weight of diisooctyl phthalate, 1.5 parts by weight of DBPC 2,6 ditertiary butyl p cresol, 0.05 weight of calcium stearate
Measure part, 0.03 parts by weight of 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane 0.03
Parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
3, the vinyl three of 0.03 parts by weight ('beta '-methoxy ethyoxyl) silane is added in 100 parts by weight dehydrated alcohols
It is sufficiently mixed, continuously adds the mica (KMg for being preheated to 80 DEG C of 2.5 parts by weight3(AlSi3O10)F2) powder, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
4,100 parts by weight linear low density polyethylene, 12 parts by weight of ethylene-vinyl acetate copolymer, 8 parts by weight are different
Cyanate propyl-triethoxysilicane, 0.9 parts by weight dimethyl silicone polymer, 0.8 parts by weight diisooctyl phthalate,
1.5 parts by weight DBPC 2,6 ditertiary butyl p cresols, 0.05 parts by weight of calcium stearate, 0.03 parts by weight 2- hydroxyl -4- dodecyloxy
Benzophenone is uniformly mixed, and is added in mixer and is kneaded, and melting temperature is 85 DEG C, and mixing time 45min obtains poly- second
Alkenyl colloid；
5, polyvinyl mica collaboration reinforced insulation material preparation: modified micaceous powder and polyvinyl colloid are sufficiently mixed,
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
6, polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, extruding temperature is
185 DEG C, obtain polyvinyl mica collaboration reinforced insulation core；
7, reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation line in single polyvinyl mica
Multilayer sheath is successively coated on the outside of the stranded stranding cable core of core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
Embodiment 2:
1, using annealing copper product, stranded conductor is made；
2, by weight prepare 100 parts by weight of linear low density polyethylene, 14 parts by weight of ethene-vinyl acetate copolymer,
KMg3(AlSi3O10)F22.8 parts by weight, 10 parts by weight of isocyanate propyl triethoxysilane, dimethyl silicone polymer 0.7
Parts by weight, 0.5 parts by weight of diisooctyl phthalate, 0.8 parts by weight of DBPC 2,6 ditertiary butyl p cresol, calcium stearate 0.05
Parts by weight, 0.03 parts by weight of 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane
0.05 parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
3, the vinyl three of 0.05 parts by weight ('beta '-methoxy ethyoxyl) silane is added in 100 parts by weight dehydrated alcohols
It is sufficiently mixed, continuously adds the mica (KMg for being preheated to 80 DEG C of 5.8 parts by weight3(AlSi3O10)F2) powder, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
4,100 parts by weight linear low density polyethylene, 14 parts by weight of ethylene-vinyl acetate copolymer, 10 parts by weight are different
Cyanate propyl-triethoxysilicane, 0.7 parts by weight dimethyl silicone polymer, 0.5 parts by weight diisooctyl phthalate,
0.8 parts by weight DBPC 2,6 ditertiary butyl p cresol, 0.05 parts by weight of calcium stearate, 0.03 parts by weight 2- hydroxyl -4- dodecyloxy
Benzophenone is uniformly mixed, and is added in mixer and is kneaded, and melting temperature is 85 DEG C, and mixing time 45min obtains poly- second
Alkenyl colloid；
5, polyvinyl mica collaboration reinforced insulation material preparation: modified micaceous powder and polyvinyl colloid are sufficiently mixed,
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
6, polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, extruding temperature is
185 DEG C, obtain polyvinyl mica collaboration reinforced insulation core；
7, reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation line in single polyvinyl mica
Multilayer sheath is successively coated on the outside of the stranded stranding cable core of core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
Embodiment 3:
1, using annealing copper product, stranded conductor is made；
2, by weight prepare 100 parts by weight of linear low density polyethylene, 16 parts by weight of ethene-vinyl acetate copolymer,
KMg3(AlSi3O10)F23.3 parts by weight, 6 parts by weight of isocyanate propyl triethoxysilane, 0.6 weight of dimethyl silicone polymer
Measure part, 0.3 parts by weight of diisooctyl phthalate, 1.2 parts by weight of DBPC 2,6 ditertiary butyl p cresol, 0.07 weight of calcium stearate
Measure part, 0.05 parts by weight of 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane 0.08
Parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
3, the vinyl three of 0.08 parts by weight ('beta '-methoxy ethyoxyl) silane is added in 100 parts by weight dehydrated alcohols
It is sufficiently mixed, continuously adds the mica (KMg for being preheated to 80 DEG C of 3.3 parts by weight3(AlSi3O10)F2) powder, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
4,100 parts by weight linear low density polyethylene, 16 parts by weight of ethylene-vinyl acetate copolymer, 6 parts by weight are different
Cyanate propyl-triethoxysilicane, 0.6 parts by weight dimethyl silicone polymer, 0.3 parts by weight diisooctyl phthalate,
1.2 parts by weight DBPC 2,6 ditertiary butyl p cresols, 0.07 parts by weight of calcium stearate, 0.05 parts by weight 2- hydroxyl -4- dodecyloxy
Benzophenone is uniformly mixed, and is added in mixer and is kneaded, and melting temperature is 90 DEG C, and mixing time 50min obtains poly- second
Alkenyl colloid；
5, polyvinyl mica collaboration reinforced insulation material preparation: modified micaceous powder and polyvinyl colloid are sufficiently mixed,
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
6, polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, extruding temperature is
190 DEG C, obtain polyvinyl mica collaboration reinforced insulation core；
7, reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation line in single polyvinyl mica
Multilayer sheath is successively coated on the outside of the stranded stranding cable core of core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
Embodiment 4:
1, using annealing copper product, stranded conductor is made；
2, by weight prepare 100 parts by weight of linear low density polyethylene, 18 parts by weight of ethene-vinyl acetate copolymer,
KMg3(AlSi3O10)F24.5 parts by weight, 7 parts by weight of isocyanate propyl triethoxysilane, 0.6 weight of dimethyl silicone polymer
Measure part, 0.6 parts by weight of diisooctyl phthalate, 1.6 parts by weight of DBPC 2,6 ditertiary butyl p cresol, 0.08 weight of calcium stearate
Measure part, 0.07 parts by weight of 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane 0.09
Parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
3, the vinyl three of 0.09 parts by weight ('beta '-methoxy ethyoxyl) silane is added in 100 parts by weight dehydrated alcohols
It is sufficiently mixed, continuously adds the mica (KMg for being preheated to 80 DEG C of 4.5 parts by weight3(AlSi3O10)F2) powder, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
4,100 parts by weight linear low density polyethylene, 18 parts by weight of ethylene-vinyl acetate copolymer, 7 parts by weight are different
Cyanate propyl-triethoxysilicane, 0.6 parts by weight dimethyl silicone polymer, 0.6 parts by weight diisooctyl phthalate,
1.6 parts by weight DBPC 2,6 ditertiary butyl p cresols, 0.08 parts by weight of calcium stearate, 0.07 parts by weight 2- hydroxyl -4- dodecyloxy
Benzophenone is uniformly mixed, and is added in mixer and is kneaded, and melting temperature is 95 DEG C, and mixing time 50min obtains poly- second
Alkenyl colloid；
5, polyvinyl mica collaboration reinforced insulation material preparation: modified micaceous powder and polyvinyl colloid are sufficiently mixed,
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
6, polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, extruding temperature is
195 DEG C, obtain polyvinyl mica collaboration reinforced insulation core；
7, reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation line in single polyvinyl mica
Multilayer sheath is successively coated on the outside of the stranded stranding cable core of core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
Embodiment 5:
1, using annealing copper product, stranded conductor is made；
2, by weight prepare 100 parts by weight of linear low density polyethylene, 20 parts by weight of ethene-vinyl acetate copolymer,
KMg3(AlSi3O10)F25.8 parts by weight, 12 parts by weight of isocyanate propyl triethoxysilane, dimethyl silicone polymer 0.8
Parts by weight, 0.7 parts by weight of diisooctyl phthalate, 2.2 parts by weight of DBPC 2,6 ditertiary butyl p cresol, calcium stearate 0.09
Parts by weight, 0.08 parts by weight of 2- hydroxyl -4- dodecyloxy benzophenones, vinyl three ('beta '-methoxy ethyoxyl) silane
0.12 parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
3, the vinyl three of 0.12 parts by weight ('beta '-methoxy ethyoxyl) silane is added in 100 parts by weight dehydrated alcohols
It is sufficiently mixed, continuously adds the mica (KMg for being preheated to 80 DEG C of 5.8 parts by weight3(AlSi3O10)F2) powder, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
4,100 parts by weight linear low density polyethylene, 20 parts by weight of ethylene-vinyl acetate copolymer, 12 parts by weight are different
Cyanate propyl-triethoxysilicane, 0.8 parts by weight dimethyl silicone polymer, 0.7 parts by weight diisooctyl phthalate,
2.2 parts by weight DBPC 2,6 ditertiary butyl p cresols, 0.09 parts by weight of calcium stearate, 0.08 parts by weight 2- hydroxyl -4- dodecyloxy
Benzophenone is uniformly mixed, and is added in mixer and is kneaded, and melting temperature is 95 DEG C, and mixing time 60min obtains poly- second
Alkenyl colloid；
5, polyvinyl mica collaboration reinforced insulation material preparation: modified micaceous powder and polyvinyl colloid are sufficiently mixed,
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid after mixing；
6, polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, extruding temperature is
210 DEG C, obtain polyvinyl mica collaboration reinforced insulation core；
7, reinforced insulation core or more polyvinyl micas is cooperateed with to cooperate with reinforced insulation line in single polyvinyl mica
Multilayer sheath is successively coated on the outside of the stranded stranding cable core of core, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
Embodiment 6:
According to insulating layer prepared by embodiment 1- embodiment 5, specimen coding is respectively S1, S2, S3, S4 and S5, ingredient
Composition is shown in Table 1.
Table 1 is prepared the component proportion of sample by embodiment 1-5
Using the wire and cable black polyethylene material sample as a comparison of the prior art, number D.Embodiment 1 to
The sample of embodiment 5 and the thickness of control sample are shown in Table 2.
Table 2 is prepared the thickness of sample by embodiment 1-5
| Specimen coding | Thickness/mm |
| S1 | 1.2 |
| S2 | 1.2 |
| S3 | 1.2 |
| S4 | 1.2 |
| S5 | 1.2 |
| D | 1.2 |
Embodiment 7:
The detection method that foundation is detected according to table 3 carries out performance detection to each sample.
3 embodiment 1 of table prepares the performance parameter of sample and comparative example sample to embodiment 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 used to limit this hair the foregoing is merely a specific embodiment of the invention
Bright protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all
It is included within protection scope of the present invention.
Claims (6)
1. a kind of polyvinyl mica cooperates with reinforced insulation material, which is characterized in that the polyvinyl mica collaboration enhancing is exhausted
Edge material is composed of the following components by weight: 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-
20 parts by weight, KMg3(AlSi3O10)F22.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, poly- two
Methylsiloxane 0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol
0.8-2.2 parts by weight, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 weight
Measure part, ('beta '-methoxy ethyoxyl) the silane 0.03-0.12 of vinyl three parts by weight, 100 parts by weight of dehydrated alcohol.
2. a kind of preparation method of polyvinyl mica collaboration reinforced insulation material, which is characterized in that the preparation method includes
Following steps:
Ingredient: preparation 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 weight by weight
Part, KMg3(AlSi3O10)F22.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, poly dimethyl silicon
Oxygen alkane 0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-2.2 weight
Measure part, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 parts by weight, ethylene
('beta '-methoxy ethyoxyl) the silane 0.03-0.12 of base three parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
Mica is modified: it is anhydrous that 100 parts by weight are added in ('beta '-methoxy ethyoxyl) silane of vinyl three of 0.03-0.12 parts by weight
It is sufficiently mixed in ethyl alcohol, continuously adds the KMg for being preheated to 80 DEG C of 2.5-5.8 parts by weight3(AlSi3O10)F2, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
The preparation of polyvinyl colloid: 100 parts by weight linear low density polyethylene, 12-20 parts by weight of ethylene-vinyl acetate are copolymerized
Object, 6-12 parts by weight isocyanate propyl triethoxysilane, 0.6-0.9 parts by weight dimethyl silicone polymer, 0.3-0.8 weight
Part diisooctyl phthalate, 0.8-2.2 parts by weight DBPC 2,6 ditertiary butyl p cresol, 0.05-0.09 parts by weight of calcium stearate,
0.03-0.08 parts by weight 2- hydroxyl -4- dodecyloxy benzophenones are uniformly mixed, and are added in mixer and are kneaded, and temperature is kneaded
Degree is 85 DEG C -95 DEG C, and mixing time 45min-60min obtains polyvinyl colloid；
The collaboration reinforced insulation material preparation of polyvinyl mica: modified micaceous powder and polyvinyl colloid are sufficiently mixed, will be kneaded
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid afterwards.
3. a kind of polyvinyl mica cooperates with reinforced insulation flame retardant cable, which is characterized in that the cable is by single or more line
Core and the sheath being coated on the outside of core composition；The core includes copper conductor and the polyvinyl cloud being coated on the outside of copper conductor
Mother's collaboration reinforced insulation layer；The polyvinyl mica collaboration reinforced insulation layer is composed of the following components by weight: linear low
100 parts by weight of density polyethylene, ethene-vinyl acetate copolymer 12-20 parts by weight, KMg3(AlSi3O10)F22.5-5.8 weight
Part, isocyanate propyl triethoxysilane 6-12 parts by weight, dimethyl silicone polymer 0.6-0.9 parts by weight, phthalic acid
Diisodecyl ester 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-2.2 parts by weight, calcium stearate 0.05-0.09 weight
Part, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 parts by weight, vinyl three ('beta '-methoxy ethyoxyl) silane
0.03-0.12 parts by weight, 100 parts by weight of dehydrated alcohol.
4. polyvinyl mica according to claim 3 cooperates with reinforced insulation flame retardant cable, which is characterized in that the insulation
The vertical combustion grade of layer reaches V-0 grades highest, and oxygen index (OI) is not less than 45%, and dielectric constant is not more than 1.32, volume resistance
Rate is not less than 13.2 × 1014ρ v/ Ω m, dielectric strength are not less than 49kV/mm, and tensile strength is not less than 18.2MPa, and fracture is drawn
Stretching strain is not less than 751%.
5. a kind of preparation method of polyvinyl mica collaboration reinforced insulation flame retardant cable, which comprises the following steps:
Using annealing copper product, stranded conductor is made；
Ingredient: preparation 100 parts by weight of linear low density polyethylene, ethene-vinyl acetate copolymer 12-20 weight by weight
Part, KMg3(AlSi3O10)F22.5-5.8 parts by weight, isocyanate propyl triethoxysilane 6-12 parts by weight, poly dimethyl silicon
Oxygen alkane 0.6-0.9 parts by weight, diisooctyl phthalate 0.3-0.8 parts by weight, DBPC 2,6 ditertiary butyl p cresol 0.8-2.2 weight
Measure part, calcium stearate 0.05-0.09 parts by weight, 2- hydroxyl -4- dodecyloxy benzophenones 0.03-0.08 parts by weight, ethylene
('beta '-methoxy ethyoxyl) the silane 0.03-0.12 of base three parts by weight, 100 parts by weight of dehydrated alcohol, it is spare；
Mica is modified: it is anhydrous that 100 parts by weight are added in ('beta '-methoxy ethyoxyl) silane of vinyl three of 0.03-0.12 parts by weight
It is sufficiently mixed in ethyl alcohol, continuously adds the KMg for being preheated to 80 DEG C of 2.5-5.8 parts by weight3(AlSi3O10)F2, 95 DEG C of constant temperature stirrings
25min obtains modified micaceous powder；
The preparation of polyvinyl colloid: 100 parts by weight linear low density polyethylene, 12-20 parts by weight of ethylene-vinyl acetate are copolymerized
Object, 6-12 parts by weight isocyanate propyl triethoxysilane, 0.6-0.9 parts by weight dimethyl silicone polymer, 0.3-0.8 weight
Part diisooctyl phthalate, 0.8-2.2 parts by weight DBPC 2,6 ditertiary butyl p cresol, 0.05-0.09 parts by weight of calcium stearate,
0.03-0.08 parts by weight 2- hydroxyl -4- dodecyloxy benzophenones are uniformly mixed, and are added in mixer and are kneaded, and temperature is kneaded
Degree is 85 DEG C -95 DEG C, and mixing time 45min-60min obtains polyvinyl colloid；
The collaboration reinforced insulation material preparation of polyvinyl mica: modified micaceous powder and polyvinyl colloid are sufficiently mixed, will be kneaded
Polyvinyl mica collaboration reinforced insulation material is made in granulating from colloid afterwards；
Polyvinyl mica collaboration reinforced insulation material is extruded on the outside of stranded conductor using extruder, obtains polyvinyl mica
Cooperate with reinforced insulation core；
Cooperate with reinforced insulation core or more polyvinyl mica collaboration reinforced insulation cores twisted in single polyvinyl mica
Multilayer sheath is successively coated on the outside of stranding cable core afterwards, obtains polyvinyl mica collaboration reinforced insulation flame retardant cable.
6. the preparation method of polyvinyl mica collaboration reinforced insulation flame retardant cable according to claim 5, feature exist
In it is 185 DEG C -210 DEG C that the polyvinyl mica collaboration reinforced insulation material, which extrudes temperature,.
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