CN108727670A - A kind of insulating heat-conductive CABLE MATERIALS and preparation method thereof - Google Patents
A kind of insulating heat-conductive CABLE MATERIALS and preparation method thereof Download PDFInfo
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- CN108727670A CN108727670A CN201810610536.3A CN201810610536A CN108727670A CN 108727670 A CN108727670 A CN 108727670A CN 201810610536 A CN201810610536 A CN 201810610536A CN 108727670 A CN108727670 A CN 108727670A
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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
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a kind of insulating heat-conductive CABLE MATERIALSs, include the raw material of following parts by weight：20~30 parts of high density polyethylene (HDPE), 10~20 parts of graphene modified polypropene, 15~25 parts of ethylene-vinyl acetate copolymer, 7~11 parts of gum arabic, 3~6 parts of montmorillonite, 4~8 parts of precipitated calcium carbonate, 3~7 parts of glass fibre, 2~4 parts of polyethylene wax, 1~3 part of calcium stearate, 6~9 parts of fire retardant, 2~5 parts of plasticizer, 2~4 parts of reinforcing agent.The insulating heat-conductive CABLE MATERIALS thermal conductivity is high, good insulation preformance, and tensile strength is high, and toughness is strong, easy to process.
Description
Technical field
The invention belongs to electrical materials and appliances field of material technology, and in particular to a kind of insulating heat-conductive CABLE MATERIALS and preparation method thereof.
Background technology
Electric wire has the function of power Transmission and information conveyance, and important work is played in people live and produce
With.Electric wire includes bare wire, appliance equipment electric wire, power cable, communication cable and optical cable, winding wire, CABLE MATERIALS
Being commonly called as wire cable insulating and sheath plastics, high molecular material used mainly have polyvinyl chloride, polyethylene, polypropylene,
Fluoroplastics, chlorinated polyether and polyamide etc., this kind of high molecular material have lightweight, resistant to chemical etching, easy processing molding, electrical isolation
It has excellent performance, the features such as mechanics and anti-fatigue performance are excellent, but the thermal conductivity of this kind of material is very low, generally in 0.1~0.3W/
（m·K）, almost heat insulator, heat dissipation effect is poor, cannot in time distribute the heat in electric wire.
Chinese patent CN105017676A discloses cable high heat conduction PVC sheath material and the electricity of graphene-containing
Cable, sheath material of the present invention include the material of following mass fraction：100 parts of Corvic, 0.05~3 part of thermal conducting agent are auxiliary
8~9 parts of assistant director of a film or play's thermit powder, 20~25 parts of plasticizer, 0.1~0.5 part of antioxidant, 2.2~2.9 parts of stabilizer, lubricant 0.5~3
Part, 37~53 parts of filler.The coat layer of power cable of the present invention is made of following material：Corvic, thermal conducting agent, auxiliary are led
Thermit powder, plasticizer, antioxidant, stabilizer, lubricant, filler, fire retardant, pigment auxiliary agent.The invention thermal conducting agent and auxiliary are led
Thermit powder is used cooperatively the thermal conductivity that can significantly improve jacket layer material, but thermal conducting agent is using graphene or oxidation stone in the invention
Black alkene is conductive material, may influence the insulation performance of sheath material, there is security risk.Chinese patent CN103275357B
It discloses a kind of heat conductive insulating power cable sheath pipe specific complex conductive powder and its production technology, the formula of each component is：No
With grain size aluminium oxide 40~60%, nanometer silicon carbide 5~25%, nano aluminum nitride 3~15%, nano zine oxide 2~12%, nanometer
Magnesia 1~10%, nano-silicon nitride 4~10%, nm-class boron nitride 1~8%.Silicon carbide in the conductive powder, aluminium nitride, zinc oxide,
Magnesia, silicon nitride and boron nitride are nanometer powder, are easy to reunite in high molecular material, it is not easy to which dispersion forms heat conduction
Access.
Invention content
The present invention provides a kind of insulating heat-conductive CABLE MATERIALSs and preparation method thereof, solve the problems in background technology, institute
It is high to state insulating heat-conductive CABLE MATERIALS thermal conductivity, good insulation preformance, and also tensile strength is high, and toughness is strong, easy to process.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：20~30 parts of high density polyethylene (HDPE), graphene are modified poly-
10~20 parts of propylene, 15~25 parts of ethylene-vinyl acetate copolymer, 7~11 parts of gum arabic, 3~6 parts of montmorillonite, lightweight
4~8 parts of calcium carbonate, 3~7 parts of glass fibre, 2~4 parts of polyethylene wax, 1~3 part of calcium stearate, 6~9 parts of fire retardant, plasticizer
2~5 parts, 2~4 parts of reinforcing agent；
The preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：Mixed-powder torque rheometer obtained by step a is melted under conditions of 160~180 DEG C, 40~80rpm of rotating speed
2~10min is mixed to get the graphene modified polypropene.
Preferably, the insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：23~27 parts of high density polyethylene (HDPE),
11~16 parts of graphene modified polypropene, 18~24 parts of ethylene-vinyl acetate copolymer, 9~10 parts of gum arabic, montmorillonite
4~5 parts, 5~7 parts of precipitated calcium carbonate, 4~6 parts of glass fibre, 2.5~3.2 parts of polyethylene wax, 1.5~2.8 parts of calcium stearate,
7~8 parts of fire retardant, 3~4 parts of plasticizer, 2.6~3.1 parts of reinforcing agent.
Preferably, the insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：257 parts of high density polyethylene (HDPE), graphite
14 parts of alkene modified polypropene, 20 parts of ethylene-vinyl acetate copolymer, 9.3 parts of gum arabic, 4.2 parts of montmorillonite, lightweight carbonic acid
6 parts of calcium, 5 parts of glass fibre, 2.7 parts of polyethylene wax, 2.2 parts of calcium stearate, 7.6 parts of fire retardant, 3.4 parts of plasticizer, reinforcing agent
2.9 part.
Preferably, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, described
Magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Preferably, the preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 170 DEG C, rotating speed 60rpm melting mixing 6min,
Up to the graphene modified polypropene.
Preferably, the plasticizer is dibutyl phthalate, dioctyl phthalate or phthalic acid two
Last of the ten Heavenly stems ester.
Preferably, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
60~70 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, Arab are sequentially added
Natural gum is warming up to 70~80 DEG C, carries out second and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 110~120 DEG C, is kneaded, must be kneaded mixed
Close object；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 110~120
DEG C, obtain the insulating heat-conductive CABLE MATERIALS.
Preferably, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Preferably, the step（3）Middle mixing time is 12 minutes.
Compared with prior art, the present invention it has the advantages that：
Insulating heat-conductive CABLE MATERIALS thermal conductivity of the present invention is high, good insulation preformance, and tensile strength is high, and toughness is strong, convenient for adding
Work, it is specific as follows：
（1）Insulating heat-conductive CABLE MATERIALS of the present invention is using high density polyethylene (HDPE), graphene modified polypropene, ethyl vinyl acetate
Ethylene copolymer, gum arabic, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, increasing
It moulds agent, reinforcing agent etc. and is used as raw material, mutually act synergistically between raw material, not only make CABLE MATERIALS with preferable flexibility, well
Feel and matt effect, and also improve mechanical-physical and chemical property, oil resistant, wear-resisting, acid and alkali-resistance make CABLE MATERIALS have
The dual property of plastics and rubber, CABLE MATERIALS of the present invention have preferable intensity, wearability, processing performance and material
Stress crack resistance performance；
（2）Insulating heat-conductive CABLE MATERIALS of the present invention between optimization raw material by mutually acting synergistically, optimized production process,
The insulating heat-conductive CABLE MATERIALS adaptive temperature range being prepared is wide, and heat aging performance is excellent, and the temperature resistant grade of CABLE MATERIALS is high；
（3）For insulating heat-conductive CABLE MATERIALS of the present invention using graphene modified polypropene as raw material, graphene is modified poly- third
The mechanical property of alkene is good, good heat conductivity, after being mixed with a certain amount of ethylene-vinyl acetate copolymer, is ensureing mechanical property
Under the premise of may be allowed the more fire retardant of filling, significantly improve the flame retardant property of the insulating heat-conductive CABLE MATERIALS, furthermore, by
It is relatively low in polyacrylic melt viscosity, so, melt preferable with insulating heat-conductive CABLE MATERIALS rheological property prepared by the present invention
Viscosity is low, and product has preferable appearance.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：20 parts of high density polyethylene (HDPE), graphite
10 parts of alkene modified polypropene, 15 parts of ethylene-vinyl acetate copolymer, 7 parts of gum arabic, 3 parts of montmorillonite, precipitated calcium carbonate 4
Part, 3 parts of glass fibre, 2 parts of polyethylene wax, 1 part of calcium stearate, 6 parts of fire retardant, 2 parts of plasticizer, 2 parts of reinforcing agent；
The preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 160 DEG C, rotating speed 40rpm melting mixing 2min,
Up to the graphene modified polypropene.
Wherein, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, the hydrogen
Magnesia, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Wherein, the plasticizer is dibutyl phthalate.
Wherein, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
60 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, gum arabic are sequentially added,
70 DEG C are warming up to, second is carried out and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 110 DEG C, is kneaded, obtain compounding mixture；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 110 DEG C, is obtained
The insulating heat-conductive CABLE MATERIALS.
Wherein, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Wherein, the step（3）Middle mixing time is 12 minutes.
Embodiment 2
The present embodiment is related to a kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：30 parts of high density polyethylene (HDPE), graphite
20 parts of alkene modified polypropene, 25 parts of ethylene-vinyl acetate copolymer, 11 parts of gum arabic, 6 parts of montmorillonite, precipitated calcium carbonate 8
Part, 7 parts of glass fibre, 4 parts of polyethylene wax, 3 parts of calcium stearate, 9 parts of fire retardant, 5 parts of plasticizer, 4 parts of reinforcing agent；
The preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 180 DEG C, rotating speed 80rpm melting mixing
10min is to get the graphene modified polypropene.
Wherein, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, the hydrogen
Magnesia, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Wherein, the plasticizer is dioctyl phthalate.
Wherein, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
70 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, gum arabic are sequentially added,
80 DEG C are warming up to, second is carried out and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 120 DEG C, is kneaded, obtain compounding mixture；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 120 DEG C, is obtained
The insulating heat-conductive CABLE MATERIALS.
Wherein, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Wherein, the step（3）Middle mixing time is 12 minutes.
Embodiment 3
The present embodiment is related to a kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：23 parts of high density polyethylene (HDPE), graphite
11 parts of alkene modified polypropene, 18 parts of ethylene-vinyl acetate copolymer, 9 parts of gum arabic, 4 parts of montmorillonite, precipitated calcium carbonate 5
Part, 4 parts of glass fibre, 2.5 parts of polyethylene wax, 1.5 parts of calcium stearate, 7 parts of fire retardant, 3 parts of plasticizer, 2.6 parts of reinforcing agent.
Wherein, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, the hydrogen
Magnesia, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Wherein, the preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 170 DEG C, rotating speed 60rpm melting mixing 6min,
Up to the graphene modified polypropene.
Wherein, the plasticizer is didecyl phthalate.
Wherein, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
62 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, gum arabic are sequentially added,
73 DEG C are warming up to, second is carried out and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 112 DEG C, is kneaded, obtain compounding mixture；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 112 DEG C, is obtained
The insulating heat-conductive CABLE MATERIALS.
Wherein, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Wherein, the step（3）Middle mixing time is 12 minutes.
Embodiment 4
The present embodiment is related to a kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：27 parts of high density polyethylene (HDPE), graphite
16 parts of alkene modified polypropene, 24 parts of ethylene-vinyl acetate copolymer, 10 parts of gum arabic, 5 parts of montmorillonite, precipitated calcium carbonate 7
Part, 6 parts of glass fibre, 3.2 parts of polyethylene wax, 2.8 parts of calcium stearate, 8 parts of fire retardant, 4 parts of plasticizer, 3.1 parts of reinforcing agent.
Wherein, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, the hydrogen
Magnesia, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Wherein, the preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 170 DEG C, rotating speed 60rpm melting mixing 6min,
Up to the graphene modified polypropene.
Wherein, the plasticizer is dibutyl phthalate.
Wherein, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
65 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, gum arabic are sequentially added,
75 DEG C are warming up to, second is carried out and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 115 DEG C, is kneaded, obtain compounding mixture；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 115 DEG C, is obtained
The insulating heat-conductive CABLE MATERIALS.
Wherein, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Wherein, the step（3）Middle mixing time is 12 minutes.
Embodiment 5
The present embodiment is related to a kind of insulating heat-conductive CABLE MATERIALS, includes the raw material of following parts by weight：257 parts of high density polyethylene (HDPE), stone
14 parts of black alkene modified polypropene, 20 parts of ethylene-vinyl acetate copolymer, 9.3 parts of gum arabic, 4.2 parts of montmorillonite, lightweight carbon
6 parts of sour calcium, 5 parts of glass fibre, 2.7 parts of polyethylene wax, 2.2 parts of calcium stearate, 7.6 parts of fire retardant, 3.4 parts of plasticizer, reinforcement
2.9 parts of agent.
Wherein, the fire retardant is the mixture of magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide, the hydrogen
Magnesia, aluminium hydroxide, antimony oxide and silicon carbide mass ratio be 3:3:2:1.
Wherein, the preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 170 DEG C, rotating speed 60rpm melting mixing 6min,
Up to the graphene modified polypropene.
Wherein, the plasticizer is dibutyl phthalate.
Wherein, the reinforcing agent is gas-phase silica.
A method of the insulating heat-conductive CABLE MATERIALS is prepared, is included the following steps：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
67 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, gum arabic are sequentially added,
78 DEG C are warming up to, second is carried out and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 118 DEG C, is kneaded, obtain compounding mixture；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 118 DEG C, is obtained
The insulating heat-conductive CABLE MATERIALS.
Wherein, the step（3）In the first mixing time be 5 minutes, second mixing time is 8 minutes.
Wherein, the step（3）Middle mixing time is 12 minutes.
Comparative example
The cable of graphene-containing described in Chinese patent CN105017676A high heat conduction PVC sheath material and cable.
The CABLE MATERIALS obtained in Examples 1 to 5, comparative example is tested for the property respectively, test result is as follows：
As can be seen from the above table, the CABLE MATERIALS performance described in Examples 1 to 5 is superior to comparative example.
Insulating heat-conductive CABLE MATERIALS thermal conductivity of the present invention is high, good insulation preformance, and tensile strength is high, and toughness is strong, just
It is specific as follows in processing：
（1）Insulating heat-conductive CABLE MATERIALS of the present invention is using high density polyethylene (HDPE), graphene modified polypropene, ethyl vinyl acetate
Ethylene copolymer, gum arabic, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, increasing
It moulds agent, reinforcing agent etc. and is used as raw material, mutually act synergistically between raw material, not only make CABLE MATERIALS with preferable flexibility, well
Feel and matt effect, and also improve mechanical-physical and chemical property, oil resistant, wear-resisting, acid and alkali-resistance make CABLE MATERIALS have
The dual property of plastics and rubber, CABLE MATERIALS of the present invention have preferable intensity, wearability, processing performance and material
Stress crack resistance performance；
（2）Insulating heat-conductive CABLE MATERIALS of the present invention between optimization raw material by mutually acting synergistically, optimized production process,
The insulating heat-conductive CABLE MATERIALS adaptive temperature range being prepared is wide, and heat aging performance is excellent, and the temperature resistant grade of CABLE MATERIALS is high；
（3）For insulating heat-conductive CABLE MATERIALS of the present invention using graphene modified polypropene as raw material, graphene is modified poly- third
The mechanical property of alkene is good, good heat conductivity, after being mixed with a certain amount of ethylene-vinyl acetate copolymer, is ensureing mechanical property
Under the premise of may be allowed the more fire retardant of filling, significantly improve the flame retardant property of the insulating heat-conductive CABLE MATERIALS, furthermore, by
It is relatively low in polyacrylic melt viscosity, so, melt preferable with insulating heat-conductive CABLE MATERIALS rheological property prepared by the present invention
Viscosity is low, and product has preferable appearance.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of insulating heat-conductive CABLE MATERIALS, which is characterized in that include the raw material of following parts by weight：High density polyethylene (HDPE) 20~30
Part, is covered 10~20 parts of graphene modified polypropene, 15~25 parts of ethylene-vinyl acetate copolymer, 7~11 parts of gum arabic
It is de- 3~6 parts of soil, 4~8 parts of precipitated calcium carbonate, 3~7 parts of glass fibre, 2~4 parts of polyethylene wax, 1~3 part of calcium stearate, fire-retardant
6~9 parts of agent, 2~5 parts of plasticizer, 2~4 parts of reinforcing agent；
The preparation method of the graphene modified polypropene is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：Mixed-powder torque rheometer obtained by step a is melted under conditions of 160~180 DEG C, 40~80rpm of rotating speed
2~10min is mixed to get the graphene modified polypropene.
2. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that include the raw material of following parts by weight：It is highly dense
Spend 23~27 parts of polyethylene, 11~16 parts of graphene modified polypropene, 18~24 parts of ethylene-vinyl acetate copolymer, Arab
Natural gum 9~10 parts, 4~5 parts of montmorillonite, 5~7 parts of precipitated calcium carbonate, 4~6 parts of glass fibre, 2.5~3.2 parts of polyethylene wax,
1.5~2.8 parts of calcium stearate, 7~8 parts of fire retardant, 3~4 parts of plasticizer, 2.6~3.1 parts of reinforcing agent.
3. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that include the raw material of following parts by weight：It is highly dense
It spends 257 parts of polyethylene, 14 parts of graphene modified polypropene, 20 parts of ethylene-vinyl acetate copolymer, 9.3 parts of gum arabic, cover
De- 4.2 parts of soil, 6 parts of precipitated calcium carbonate, 5 parts of glass fibre, 2.7 parts of polyethylene wax, 2.2 parts of calcium stearate, 7.6 parts of fire retardant,
3.4 parts of plasticizer, 2.9 parts of reinforcing agent.
4. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that the fire retardant is magnesium hydroxide, hydrogen-oxygen
Change aluminium, antimony oxide and silicon carbide mixture, the magnesium hydroxide, aluminium hydroxide, antimony oxide and silicon carbide matter
Amount is than being 3:3:2:1.
5. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that the preparation of the graphene modified polypropene
Method is as follows：
a：Polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material are premixed in homogenizer, obtained
Mixed-powder, wherein polypropylene powder, stabilizer, acrylic resin and graphene nano carbon material weight ratio be 100:8:
2:1；
b：By the mixed-powder torque rheometer obtained by step a under conditions of 170 DEG C, rotating speed 60rpm melting mixing 6min,
Up to the graphene modified polypropene.
6. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that the plasticizer is two fourth of phthalic acid
Ester, dioctyl phthalate or didecyl phthalate.
7. insulating heat-conductive CABLE MATERIALS according to claim 1, which is characterized in that the reinforcing agent is gas-phase silica.
8. a kind of method preparing any one of claim 1~7 insulating heat-conductive CABLE MATERIALS, which is characterized in that including following
Step：
（1）High density polyethylene (HDPE), graphene modified polypropene, ethylene-vinyl acetate copolymer, Arab are weighed by above-mentioned formula
Natural gum, montmorillonite, precipitated calcium carbonate, glass fibre, polyethylene wax, calcium stearate, fire retardant, plasticizer, reinforcing agent, it is spare；
（2）First high density polyethylene (HDPE), ethylene-vinyl acetate copolymer are added in kneading machine, plasticizer is then added, is warming up to
60~70 DEG C, first time mixing is carried out, polyethylene wax, calcium stearate and graphene modified polypropene, Arab are sequentially added
Natural gum is warming up to 70~80 DEG C, carries out second and is kneaded；
（3）To step（2）Remaining raw material is added in the product of gained, is warming up to 110~120 DEG C, is kneaded, must be kneaded mixed
Close object；
（4）Compounding mixture is plasticized through twin-screw, through single-screw machine extruding pelletization, the temperature of the twin-screw is 110~120
DEG C, obtain the insulating heat-conductive CABLE MATERIALS.
9. preparation method according to claim 8, which is characterized in that the step（3）In the first mixing time be 5 points
Clock, second of mixing time are 8 minutes.
10. preparation method according to claim 8, which is characterized in that the step（3）Middle mixing time is 12 minutes.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109485987A (en) * | 2018-11-26 | 2019-03-19 | 上海电气集团股份有限公司 | Feedstock composition, heat-conducting insulation material and preparation method and application |
| CN111223590A (en) * | 2020-02-12 | 2020-06-02 | 广州德初科技有限公司 | Polyvinyl chloride insulation sheath control cable |
| WO2021030076A3 (en) * | 2019-08-15 | 2021-03-25 | Dow Global Technologies Llc | Coated conductor |
| CN113667207A (en) * | 2021-09-13 | 2021-11-19 | 浦江盛茂新材料有限公司 | Preparation method of Polyethylene (PE) composite material |
| CN113871083A (en) * | 2021-10-12 | 2021-12-31 | 广东金阳光电缆实业有限公司 | Low-smoke halogen-free insulated cable |
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| CN105837911A (en) * | 2016-05-27 | 2016-08-10 | 国网河南社旗县供电公司 | Insulating heat conducting cable material and preparation method thereof |
| CN107652622A (en) * | 2017-10-27 | 2018-02-02 | 安徽嘉中金属材料有限公司 | A kind of high-strength anti-flaming cable for building and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485987A (en) * | 2018-11-26 | 2019-03-19 | 上海电气集团股份有限公司 | Feedstock composition, heat-conducting insulation material and preparation method and application |
| CN109485987B (en) * | 2018-11-26 | 2021-04-23 | 上海电气集团股份有限公司 | Raw material composition, heat-conducting insulating material, preparation method and application |
| WO2021030076A3 (en) * | 2019-08-15 | 2021-03-25 | Dow Global Technologies Llc | Coated conductor |
| CN111223590A (en) * | 2020-02-12 | 2020-06-02 | 广州德初科技有限公司 | Polyvinyl chloride insulation sheath control cable |
| CN113667207A (en) * | 2021-09-13 | 2021-11-19 | 浦江盛茂新材料有限公司 | Preparation method of Polyethylene (PE) composite material |
| CN113871083A (en) * | 2021-10-12 | 2021-12-31 | 广东金阳光电缆实业有限公司 | Low-smoke halogen-free insulated cable |
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Application publication date: 20181102 |