CN107266779A - A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof - Google Patents

A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof Download PDF

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CN107266779A
CN107266779A CN201710616840.4A CN201710616840A CN107266779A CN 107266779 A CN107266779 A CN 107266779A CN 201710616840 A CN201710616840 A CN 201710616840A CN 107266779 A CN107266779 A CN 107266779A
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parts
fire
insulating materials
power engineering
retardant
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程劲松
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Hefei Still Strong Electric Technology Co Ltd
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Hefei Still Strong Electric Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0869Acids or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2296Oxides; Hydroxides of metals of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of power engineering insulating materials of fire-retardant stretch-proof, belong to insulating materials technical field, include the raw material of following parts by weight:45 55 parts of ethylene ethyl acrylate copolymer, 35 40 parts of ethylene-vinyl acetate copolymer, 20 24 parts of LLDPE, 9 13 parts of polyether-ether-ketone, 8 11 parts of glass fibre, 8 10 parts of zinc oxide, 13 15 parts of silica flour, 35 parts of antimony oxide, 14 18 parts of calcium carbonate, 24 parts of TDE, 12 parts of lubricant, 13 parts of crosslinking agent, 24 parts of heat stabilizer, 0.5 1.5 parts of antioxidant;The invention also discloses a kind of preparation method of the power engineering insulating materials of fire-retardant stretch-proof;The present invention is prepared simply, and with preferably tensile strength, fire-retardant and resistance to elevated temperatures is excellent.

Description

A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof
Technical field
The present invention relates to insulating materials technical field, specifically, the power engineering that relate to a kind of fire-retardant stretch-proof is used Insulating materials and preparation method thereof.
Background technology
The resistivity of insulating materials is very high, generally in the range of 10^9-10^22 Ω m.Insulating materials should have good Dielectric properties, i.e., with higher insulaion resistance and compressive resistance, and be avoided that generation electric leakage, climb electricity or the accident such as puncture; Secondly heat resistance will get well, wherein especially with not because for a long time by heat effect(Heat ageing)And it is mostly important to produce performance change;This Also have good thermal conductivity outside, it is moisture resistance and have higher mechanical strength and technique easy to process etc..
The insulating materials that electrician commonly uses is different by its chemical property, can be divided into it is inorganic have material, organic insulation and Mix insulation material.(1), inorganic insulating material:Have mica, asbestos, marble, porcelain, glass, sulphur etc., mainly do motor, Electric winding insulation, the bottom plate of switch and insulator etc..(2), organic insulation:Have shellac, resin, rubber, cotton yarn, Paper, fiber crops, silk, artificial silk, are mostly used for manufacture insulated paint, coated insulant of winding conducting wire etc..(3), mix insulation material: The various profiled insulation materials being processed into by both the above material, are used as base, shell of electrical equipment etc.;But current insulation material The fire resistance and tensile strength of material are barely satisfactory.
In Publication No. CN104987678A patent document, a kind of power engineering of fire-retardant stretch-proof is disclosed with absolutely Edge material and preparation method thereof, the power engineering of described fire-retardant stretch-proof includes N hydroxymethyl acrylamide 5- with insulating materials 10 parts, 3-7 parts of alkyd resin, 11-18 parts of PEN, 6-12 parts of polypropylene, 3-7 parts of polyketone resin, poly- 3- 2-6 parts of butyric ester, 4-8 parts of triphenyl phosphite, 3-7 parts of tung oil, 4-10 parts of diacetyl tartarate list double glyceride, hydrogen-oxygen It is 2-5 parts, 3-8 parts of calcium sulfate to change 6-12 parts of magnesium, antioxidant 1076;The preparation method of insulating materials comprises the following steps:(1)Will Composition above is all put into high-speed mixer, is stirred until homogeneous in high-speed mixer;(2)By step(1)Stir Rear composite double screw extruder melting extrusion is simultaneously granulated, and is power engineering insulating materials after cooling;But the insulation The intensity of material, fire-retardant and resistance to elevated temperatures remain to further raising.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of power engineering of fire-retardant stretch-proof With insulating materials and preparation method thereof, prepare simply, with preferably tensile strength, fire-retardant and resistance to elevated temperatures is excellent.
A kind of power engineering insulating materials for fire-retardant stretch-proof that the present invention is provided, includes the raw material of following parts by weight:
45-55 parts of ethylene-ethyl acrylate copolymer, 35-40 parts of ethylene-vinyl acetate copolymer, LLDPE 20-24 parts, 9-13 parts of polyether-ether-ketone, 8-11 parts of glass fibre, 8-10 parts of zinc oxide, 13-15 parts of silica flour, antimony oxide 3- 5 parts, it is 14-18 parts of calcium carbonate, 2-4 parts of TDE, 1-2 parts of lubricant, 1-3 parts of crosslinking agent, 2-4 parts of heat stabilizer, anti- 0.5-1.5 parts of oxygen agent.
Preferably, the particle diameter of glass fibre is 0.05mm, the mesh number of zinc oxide, silica flour and antimony oxide is 325 Mesh, the mesh number of calcium carbonate is 600 mesh.
Preferably, lubricant is the mixture of paraffin, stearic acid and castor oil, the weight ratio between three is 4:2:1.
Preferably, crosslinking agent be cumyl peroxide, di-tert-butyl peroxide, VTES and The mixture of hydroxy propyl methacrylate, the weight ratio between four is 1:2:1:1.
Preferably, heat stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxy soybean Oil, the mixture of ultra-violet absorber, its weight ratio are 2:3:4:2:1:1.
Preferably, antioxidant is 2,6- three-level butyl -4- methylphenols, double(3,5- three-level butyl -4- hydroxy phenyls) Weight ratio between the mixture of thioether and phosphite ester, three is 1.5:2:1.
Present invention also offers a kind of preparation method of the power engineering insulating materials of fire-retardant stretch-proof, including following step Suddenly:
(1), by above-mentioned parts by weight weigh various raw materials;
(2), by ethylene-ethyl acrylate copolymer, ethylene-vinyl acetate copolymer, LLDPE, polyethers ether Ketone, glass fibre, zinc oxide, silica flour, antimony oxide, calcium carbonate, TDE are added in high-speed mixer and stirred Mix uniform, it is 110-125 DEG C to control temperature, obtains compound;
(3), compound, lubricant, crosslinking agent, heat stabilizer, antioxidant is added to cool drying after comminutor extruding pelletization .
Wherein,
Step(2)Middle mixing speed is 400-500r/min.
Step(3)In comminutor be double screw extruder, 190 DEG C of its feeding section, 210 DEG C of mixing section, extruding pelletization section 220 DEG C, 225 DEG C of head section.
Power engineering insulating materials of a kind of fire-retardant stretch-proof of the present invention and preparation method thereof, prepares simply, has Preferably tensile strength, fire-retardant excellent with resistance to elevated temperatures, specifically has the beneficial effect that:
(1), ethylene-ethyl acrylate copolymer there is good pliability, heat endurance, processability, resisting environmental stress and cracking Property, impact resistance, bending fatigue resistance and low temperature properties;Ethylene-vinyl acetate copolymer has preferably water resistance, corrosion-resistant Property, processability, shockproof cushioning ability and heat preservation and soundproof performance;Ethylene-ethyl acrylate copolymer and ethene-vinyl acetate copolymerization Thing is respectively provided with preferably insulating properties and oil resistivity, and cooperation between the two can guarantee that insulating materials has various excellent performances;
(2), LLDPE intensity big, good toughness, big, the heat-resisting, cold resistance of rigidity it is good, also with good resistance to environment Stress cracking resistance, the performance such as impact strength, tear-resistant intensity, after addition can effective reinforced insulation material intensity and oil resistant Property;Polyether-ether-ketone has the preferably performance such as high temperature resistant, corrosion-resistant, resistance to compression, fire-retardant, wear-resisting, its cooperation energy with glass fibre Effectively improve the intensity and fire-retardant, resistance to elevated temperatures of insulating materials;
(3), zinc oxide, silica flour, antimony oxide and calcium carbonate as filler, can further improve anti-flammability and resistance to heating become Shape, also can guarantee that the physical strength of insulating materials;The excellent fireproof performance of TDE, anti-ultraviolet property is good, energy Improve the fire retardancy and durability of insulating materials;
(4), lubricant, crosslinking agent, the addition of heat stabilizer and antioxidant be when can improve physical property and the preparation of insulating materials Stability, increase insulating materials service life;
(5), various raw materials correspondence ratios of the invention mixing, can effectively make insulating materials that there is excellent physical strength, resistance to Burn into oil resistant and fire retardancy, the service life of insulating materials are long;This preparation method simply, stably, can be effectively by each raw material Between be sufficiently mixed.
Embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1
A kind of power engineering insulating materials of fire-retardant stretch-proof of the present embodiment, includes the raw material of following parts by weight:
It is 45 parts of ethylene-ethyl acrylate copolymer, 35 parts of ethylene-vinyl acetate copolymer, 20 parts of LLDPE, poly- 9 parts of ether ether ketone, 8 parts of glass fibre, 8 parts of zinc oxide, 13 parts of silica flour, 3 parts of antimony oxide, 14 parts of calcium carbonate, decabrominated dipheny 2 parts of ethane, 1 part of lubricant, 1 part of crosslinking agent, 2 parts of heat stabilizer, 0.5 part of antioxidant.
In the present embodiment, the particle diameter of glass fibre is 0.05mm, and the mesh number of zinc oxide, silica flour and antimony oxide is 325 mesh, the mesh number of calcium carbonate is 600 mesh.
In the present embodiment, lubricant is that the weight ratio between the mixture of paraffin, stearic acid and castor oil, three is 4:2: 1。
In the present embodiment, crosslinking agent is cumyl peroxide, di-tert-butyl peroxide, VTES With the mixture of hydroxy propyl methacrylate, the weight ratio between four is 1:2:1:1.
In the present embodiment, heat stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxy soybean Oil, the mixture of ultra-violet absorber, its weight ratio are 2:3:4:2:1:1.
In the present embodiment, antioxidant is 2,6- three-level butyl -4- methylphenols, double(3,5- three-level butyl -4- hydroxy benzenes Base)Weight ratio between the mixture of thioether and phosphite ester, three is 1.5:2:1.
The present embodiment additionally provides a kind of preparation method of the power engineering insulating materials of fire-retardant stretch-proof, including following Step:
(1), by above-mentioned parts by weight weigh various raw materials;
(2), by ethylene-ethyl acrylate copolymer, ethylene-vinyl acetate copolymer, LLDPE, polyethers ether Ketone, glass fibre, zinc oxide, silica flour, antimony oxide, calcium carbonate, TDE are added in high-speed mixer and stirred Mix uniform, it is 110 DEG C to control temperature, obtains compound;
(3), compound, lubricant, crosslinking agent, heat stabilizer, antioxidant is added to cool drying after comminutor extruding pelletization .
Wherein,
Step(2)Middle mixing speed is 400r/min.
Step(3)In comminutor be double screw extruder, 190 DEG C of its feeding section, 210 DEG C of mixing section, extruding pelletization section 220 DEG C, 225 DEG C of head section.
Embodiment 2
A kind of power engineering insulating materials of fire-retardant stretch-proof of the present embodiment, includes the raw material of following parts by weight:
It is 50 parts of ethylene-ethyl acrylate copolymer, 38 parts of ethylene-vinyl acetate copolymer, 22 parts of LLDPE, poly- 11 parts of ether ether ketone, 10 parts of glass fibre, 9 parts of zinc oxide, 14 parts of silica flour, 4 parts of antimony oxide, 16 parts of calcium carbonate, ten bromines two 3 parts of vinylbenzene, 1.5 parts of lubricant, 2 parts of crosslinking agent, 3 parts of heat stabilizer, 1 part of antioxidant.
In the present embodiment, the particle diameter of glass fibre is 0.05mm, and the mesh number of zinc oxide, silica flour and antimony oxide is 325 mesh, the mesh number of calcium carbonate is 600 mesh.
In the present embodiment, lubricant is that the weight ratio between the mixture of paraffin, stearic acid and castor oil, three is 4:2: 1。
In the present embodiment, crosslinking agent is cumyl peroxide, di-tert-butyl peroxide, VTES With the mixture of hydroxy propyl methacrylate, the weight ratio between four is 1:2:1:1.
In the present embodiment, heat stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxy soybean Oil, the mixture of ultra-violet absorber, its weight ratio are 2:3:4:2:1:1.
In the present embodiment, antioxidant is 2,6- three-level butyl -4- methylphenols, double(3,5- three-level butyl -4- hydroxy benzenes Base)Weight ratio between the mixture of thioether and phosphite ester, three is 1.5:2:1.
The present embodiment additionally provides a kind of preparation method of the power engineering insulating materials of fire-retardant stretch-proof, including following Step:
(1), by above-mentioned parts by weight weigh various raw materials;
(2), by ethylene-ethyl acrylate copolymer, ethylene-vinyl acetate copolymer, LLDPE, polyethers ether Ketone, glass fibre, zinc oxide, silica flour, antimony oxide, calcium carbonate, TDE are added in high-speed mixer and stirred Mix uniform, it is 118 DEG C to control temperature, obtains compound;
(3), compound, lubricant, crosslinking agent, heat stabilizer, antioxidant is added to cool drying after comminutor extruding pelletization .
Wherein,
Step(2)Middle mixing speed is 450r/min.
Step(3)In comminutor be double screw extruder, 190 DEG C of its feeding section, 210 DEG C of mixing section, extruding pelletization section 220 DEG C, 225 DEG C of head section.
Embodiment 3
A kind of power engineering insulating materials of fire-retardant stretch-proof of the present embodiment, includes the raw material of following parts by weight:
It is 55 parts of ethylene-ethyl acrylate copolymer, 40 parts of ethylene-vinyl acetate copolymer, 24 parts of LLDPE, poly- 13 parts of ether ether ketone, 11 parts of glass fibre, 10 parts of zinc oxide, 15 parts of silica flour, 5 parts of antimony oxide, 18 parts of calcium carbonate, ten bromines two 4 parts of vinylbenzene, 2 parts of lubricant, 3 parts of crosslinking agent, 4 parts of heat stabilizer, 1.5 parts of antioxidant.
In the present embodiment, the particle diameter of glass fibre is 0.05mm, and the mesh number of zinc oxide, silica flour and antimony oxide is 325 mesh, the mesh number of calcium carbonate is 600 mesh.
In the present embodiment, lubricant is that the weight ratio between the mixture of paraffin, stearic acid and castor oil, three is 4:2: 1。
In the present embodiment, crosslinking agent is cumyl peroxide, di-tert-butyl peroxide, VTES With the mixture of hydroxy propyl methacrylate, the weight ratio between four is 1:2:1:1.
In the present embodiment, heat stabilizer is calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxy soybean Oil, the mixture of ultra-violet absorber, its weight ratio are 2:3:4:2:1:1.
In the present embodiment, antioxidant is 2,6- three-level butyl -4- methylphenols, double(3,5- three-level butyl -4- hydroxy benzenes Base)Weight ratio between the mixture of thioether and phosphite ester, three is 1.5:2:1.
The present embodiment additionally provides a kind of preparation method of the power engineering insulating materials of fire-retardant stretch-proof, including following Step:
(1), by above-mentioned parts by weight weigh various raw materials;
(2), by ethylene-ethyl acrylate copolymer, ethylene-vinyl acetate copolymer, LLDPE, polyethers ether Ketone, glass fibre, zinc oxide, silica flour, antimony oxide, calcium carbonate, TDE are added in high-speed mixer and stirred Mix uniform, it is 125 DEG C to control temperature, obtains compound;
(3), compound, lubricant, crosslinking agent, heat stabilizer, antioxidant is added to cool drying after comminutor extruding pelletization .
Wherein,
Step(2)Middle mixing speed is 500r/min.
Step(3)In comminutor be double screw extruder, 190 DEG C of its feeding section, 210 DEG C of mixing section, extruding pelletization section 220 DEG C, 225 DEG C of head section.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (9)

1. a kind of power engineering insulating materials of fire-retardant stretch-proof, it is characterised in that:Include the raw material of following parts by weight:
45-55 parts of ethylene-ethyl acrylate copolymer, 35-40 parts of ethylene-vinyl acetate copolymer, LLDPE 20-24 parts, 9-13 parts of polyether-ether-ketone, 8-11 parts of glass fibre, 8-10 parts of zinc oxide, 13-15 parts of silica flour, antimony oxide 3- 5 parts, it is 14-18 parts of calcium carbonate, 2-4 parts of TDE, 1-2 parts of lubricant, 1-3 parts of crosslinking agent, 2-4 parts of heat stabilizer, anti- 0.5-1.5 parts of oxygen agent.
2. the power engineering insulating materials of fire-retardant stretch-proof according to claim 1, it is characterised in that:Glass fibre Particle diameter is 0.05mm, and the mesh number of zinc oxide, silica flour and antimony oxide is 325 mesh, and the mesh number of calcium carbonate is 600 mesh.
3. the power engineering insulating materials of fire-retardant stretch-proof according to claim 1, it is characterised in that:Lubricant is stone Weight ratio between the mixture of wax, stearic acid and castor oil, three is 4:2:1.
4. the power engineering insulating materials of fire-retardant stretch-proof according to claim 1, it is characterised in that:Crosslinking agent was Aoxidize the mixture of diisopropylbenzene (DIPB), di-tert-butyl peroxide, VTES and hydroxy propyl methacrylate, four Weight ratio between person is 1:2:1:1.
5. the power engineering insulating materials of fire-retardant stretch-proof according to claim 1, it is characterised in that:Heat stabilizer is Calcium stearate, castor oil acid calcium, zinc stearate, zinc ricinate, epoxidized soybean oil, the mixture of ultra-violet absorber, its is heavy Amount is than being 2:3:4:2:1:1.
6. the power engineering insulating materials of fire-retardant stretch-proof according to claim 1, it is characterised in that:Antioxidant is 2, It is 6- three-level butyl -4- methylphenols, double(3,5- three-level butyl -4- hydroxy phenyls)The mixture of thioether and phosphite ester, three Between weight ratio be 1.5:2:1.
7. a kind of preparation side of the power engineering insulating materials of fire-retardant stretch-proof according to claim 1-6 any one Method, it is characterised in that:Comprise the following steps:
(1), by above-mentioned parts by weight weigh various raw materials;
(2), by ethylene-ethyl acrylate copolymer, ethylene-vinyl acetate copolymer, LLDPE, polyethers ether Ketone, glass fibre, zinc oxide, silica flour, antimony oxide, calcium carbonate, TDE are added in high-speed mixer and stirred Mix uniform, it is 110-125 DEG C to control temperature, obtains compound;
(3), compound, lubricant, crosslinking agent, heat stabilizer, antioxidant is added to cool drying after comminutor extruding pelletization .
8. the preparation method of the power engineering insulating materials of fire-retardant stretch-proof according to claim 7, it is characterised in that: Step(2)Middle mixing speed is 400-500r/min.
9. the preparation method of the power engineering insulating materials of fire-retardant stretch-proof according to claim 7, it is characterised in that: Step(3)In comminutor be double screw extruder, 190 DEG C of its feeding section, 210 DEG C of mixing section, extruding pelletization section 220 DEG C, machine 225 DEG C of head point.
CN201710616840.4A 2017-07-26 2017-07-26 A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof Withdrawn CN107266779A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108892939A (en) * 2018-07-16 2018-11-27 广州极慧技术服务有限公司 Insulating composite material and preparation method thereof is worn in a kind of resistance
CN108948706A (en) * 2018-08-06 2018-12-07 冯嘉豪 A kind of heat conductive flame-retarding insulating composite material and preparation method thereof
CN112143086A (en) * 2020-09-01 2020-12-29 深圳市沃尔核材股份有限公司 1E-grade heat-shrinkable tubing for nuclear power station and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103059423A (en) * 2012-11-14 2013-04-24 安徽江威精密制造有限公司 Tension-resistant rubber wrapping material for capacitor housing
CN103937227A (en) * 2014-04-22 2014-07-23 苏州羽帆新材料科技有限公司 Flame-retardant stretch-proof plastic
CN104987678A (en) * 2015-07-28 2015-10-21 苏州科淼新材料有限公司 Flame-retardant stretch-proof insulating material for electric power engineering and preparation method for flame-retardant stretch-proof insulating material
CN105176041A (en) * 2015-10-12 2015-12-23 苏州法斯特信息科技有限公司 Stretch-proof and breakdown-resistant insulating material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103059423A (en) * 2012-11-14 2013-04-24 安徽江威精密制造有限公司 Tension-resistant rubber wrapping material for capacitor housing
CN103937227A (en) * 2014-04-22 2014-07-23 苏州羽帆新材料科技有限公司 Flame-retardant stretch-proof plastic
CN104987678A (en) * 2015-07-28 2015-10-21 苏州科淼新材料有限公司 Flame-retardant stretch-proof insulating material for electric power engineering and preparation method for flame-retardant stretch-proof insulating material
CN105176041A (en) * 2015-10-12 2015-12-23 苏州法斯特信息科技有限公司 Stretch-proof and breakdown-resistant insulating material and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108892939A (en) * 2018-07-16 2018-11-27 广州极慧技术服务有限公司 Insulating composite material and preparation method thereof is worn in a kind of resistance
CN108948706A (en) * 2018-08-06 2018-12-07 冯嘉豪 A kind of heat conductive flame-retarding insulating composite material and preparation method thereof
CN112143086A (en) * 2020-09-01 2020-12-29 深圳市沃尔核材股份有限公司 1E-grade heat-shrinkable tubing for nuclear power station and preparation method thereof

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