CN108794904A - A kind of anti-aging wire covering and preparation method thereof for power equipment - Google Patents
A kind of anti-aging wire covering and preparation method thereof for power equipment Download PDFInfo
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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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- 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
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- 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
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Abstract
The present invention provides a kind of anti-aging wire covering and preparation method thereof for power equipment, is prepared by following component：Ethylene propylene diene rubber, nitrile rubber, dibutyl maleate, compounded mix, modified carbon nano-tube, modified aluminas, calcium oxide, odium stearate, talcum powder, polyethylene glycol, paraffin, sucrose stearate, antiaging agent, fire retardant and ultra-violet absorber.Ageing resistance, creep resistant, heat resistance, electrical insulating property, dimensional stability and mechanical strength of wire covering prepared by the present invention etc. are had excellent performance, and its ingredient is cheap, preparation method is simple, are suitble to industrialization large-scale production.
Description
Technical field
The invention belongs to wire covering field of material technology, and in particular to a kind of anti-aging wire covering for power equipment and
Preparation method.
Background technology
Cable is the general designation of optical cable, cable and other items.There are many uses of the cable, is mainly used for control installation, connection is set
It is standby, the multiple actions such as transmit electric power, be a common and indispensable thing in daily life.
Wire covering is the structure division for protecting the insulating layer of electric wire to prevent environmental factor from corroding.The main work of wire covering
With being to improve the moisture-proof mechanical strength of electric wire, anti-chemical burn into, waterproof people, prevent the abilities such as cable fire.Wire covering
Include a variety of kinds such as rubber, plastics, nylon, all there is respectively excellent characteristic, for example, neoprene has good object
Manage mechanical performance, oil resistant, heat-resisting, resistance to combustion, resistance to daylight, resistance to ozone, acid and alkali-resistance, chemical-resistant reagent, with higher tensile strength,
Elongation and reversible crystallinity, cementability is good, and ageing-resistant, heat-resisting, oil resistant, resistance to chemical corrosion are excellent, at 80~100 DEG C
It can be used for a long time, there is certain anti-flammability；There is also disadvantage, such as bin stability are poor simultaneously.Other protective cover materials
It has some disadvantages, and will be used wider and wider with cable, the performance of wire covering is also required to improve, such as resistance to
The performances such as hot, low temperature resistant, acid and alkali-resistance, corrosion-resistant, intensity, ageing-resistant, UV resistant, fire-retardant, wear-resisting, toughness, impact resistance need
Improve, filler modified can improve performance by adding.
Rubber is the high elastic polymer material for having reversible deformation.High resilience at room temperature, in the outer masterpiece of very little
It can be generated compared with large deformation with lower, remove resilient after external force.Rubber belongs to entirely without styling polymer, its vitrifying turns
Temperature is low, and molecular weight is often very big, is more than hundreds of thousands.
It is the electricity to insulate with sheath basis that rubber wire covering, which is exactly with the thermo-setting elastomer of various rubber or equivalent performance,
Line cable.For rubber wire covering because of its own distinctive flexibility, usually most of is all to be used in ambulant electrical equipment
On.But rubber wire covering in the prior art has a single function, using effect is poor.
Publication No. CN106633445A discloses a kind of anti-aging wire covering and preparation method thereof, by following mass parts
Number formula components composition：60-80 parts of haloflex, 10-25 parts of magnesia, 10-20 parts of dioctyl phthalate, carbon black
13-19 parts, 3-6 parts of iron oxide, 2-4 parts of epoxidized soybean oil, 30-40 parts of polypropylene, 20-40 parts of maleic anhydride grafted polyethylene,
2-9 parts of dimethicone, 12-17 parts of decabromodiphenylethane, 30-40 parts of SG-2 polyvinyl chloride, 9-15 parts of butyl acrylate, three oxygen
Change 12-7 parts of two antimony, 3-13 parts of waterglass, 4-15 parts of antioxidant, 8-12 parts of chlorinated paraffin, 1-4 parts of vulcanizing agent of auxiliary, vulcanizing agent
6-13 parts, 10-13 parts of anti-aging agent, 10-15 parts of toughener, 20-25 parts of fire retardant.Publication No. CN105153555A, discloses
A kind of anti-aging Wire/cable contact member composition formula, Preparation method and use, include following component by following portions by weight：Ethylene-propylene-diene monomer
Glue 50-60, nitrile rubber 20-30, silicon rubber 20-25, nano-TiO26-8, waterglass 6-10, zinc oxide 1.5-3, three oxidations two
It is antimony 6-8, sulphur 1.5-2, vulcanization accelerator 1.2-2, anti-aging agent 1-2, ultra-violet absorber 0.2-0.5, surfactant-modified
Silver nano-grain 1-5, lauryl sodium sulfate be modified carbon nanotube 3-6, surfactant-modified nano aluminium oxide 2-
5.The both the above prior art, all have antiageing effect is general, performance not persistently, the cost of raw material is higher and preparation side
The disadvantage of method complexity.
In summary, it is therefore desirable to a kind of preferably anti-aging wire covering, to improve the deficiencies in the prior art.
Invention content
The anti-aging wire covering and preparation method thereof that the object of the present invention is to provide a kind of for power equipment, system of the present invention
Ageing resistance, creep resistant, heat resistance, electrical insulating property, dimensional stability and mechanical strength of standby wire covering etc. are had excellent performance,
And its ingredient is cheap, preparation method is simple, is suitble to industrialization large-scale production.
The present invention provides the following technical solutions：
A kind of anti-aging wire covering for power equipment includes the raw material of following parts by weight：8-12 parts of ethylene propylene diene rubber, fourth
7-11 parts of nitrile rubber, 5-12 parts of dibutyl maleate, 5-9 parts of compounded mix, 12-15 parts of modified carbon nano-tube, modified oxygen
Change 4-8 parts of aluminium, 5-10 parts of calcium oxide, 11-14 parts of odium stearate, 8-13 parts of talcum powder, 6-11 parts of polyethylene glycol, 4-9 parts of paraffin,
3-5 parts of 7-12 parts of sucrose stearate, 3-7 parts of antiaging agent, 3-6 parts of fire retardant and ultra-violet absorber.
Preferably, the anti-aging wire covering includes the raw material of following parts by weight：8-10 parts of ethylene propylene diene rubber, butyronitrile rubber
8-11 parts of glue, 5-10 parts of dibutyl maleate, 5-7 parts of compounded mix, 12-14 parts of modified carbon nano-tube, modified aluminas
6-8 parts, 5-9 parts of calcium oxide, 12-14 parts of odium stearate, 8-11 parts of talcum powder, 8-11 parts of polyethylene glycol, 4-7 parts of paraffin, sucrose
3-4 parts of 7-10 parts of stearate, 5-7 parts of antiaging agent, 4-6 parts of fire retardant and ultra-violet absorber.
Preferably, the anti-aging wire covering includes the raw material of following parts by weight：9 parts of ethylene propylene diene rubber, nitrile rubber
10 parts, 9 parts of dibutyl maleate, 6 parts of compounded mix, 13 parts of modified carbon nano-tube, 7 parts of modified aluminas, calcium oxide 7
Part, 12 parts of odium stearate, 11 parts of talcum powder, 9 parts of polyethylene glycol, 5 parts of paraffin, 8 parts of sucrose stearate, 6 parts of antiaging agent, resistance
Fire 3 parts of 5 parts of agent and ultra-violet absorber.
A kind of preparation method of anti-aging cable for power equipment, including following preparation process：
A, ethylene propylene diene rubber, nitrile rubber are added in rubber mixing machine, control roller temperature is at 75-80 DEG C, pressure refining 32-35min, reaction
After, it is kept the temperature at 60-65 DEG C and obtains mixture one；
B, calcium oxide, talcum powder are mixed, was crushed to 500-600 mesh sieve, then be added to together with paraffin, sucrose stearate
In polyethylene glycol, it is stirred to react 0.6-0.8h at 78-82 DEG C, with the rotating speed of 300-340r/min, obtains mixture two；
C, mixture two is uniformly mixed with compounded mix, modified carbon nano-tube, modified aluminas, odium stearate, is added to mixed
It closes in object one, is placed in blender, is warming up to 95-102 DEG C, 1.1-1.3h is stirred to react with the rotating speed of 800-1000r/min, is obtained
To mixture three；
D, mixture three, dibutyl maleate, antiaging agent, fire retardant and ultra-violet absorber are imported into twin-screw together
In extruder, through melting extrusion, re-compacted molding, you can obtain finished product.
Preferably, the preparation method of the compounded mix of the step c is：It is the hydrogen-oxygen of 5-7% by biotite and mass concentration
Change sodium solution mixing, be heated to 82-85 DEG C, be stirred to react 15-18min, filters, obtain filter residue, then be by filter residue and mass concentration
The hydrochloric acid solution of 4-6% mixes, and is stirred to react 10-12min, and it is 7-9 to be washed to pH, then with petroleum sodium sulfonate, polyester acrylic
Ester, trifluoroacetic acid, fennel oil mixing import in reaction kettle, are warming up to 75-78 DEG C, add tert-butyl hydroperoxide, and stirring is anti-
22-24min is answered, more precipitated silicas, barium silicate are added, continues to be stirred to react 0.6-0.8h, drying, grinding, you can
To compounded mix.
Preferably, the preparation method of the compounded mix of the step c is：The hydroxide for being 5% by biotite and mass concentration
Sodium solution mixes, and is heated to 82 DEG C, is stirred to react 16min, filters, and obtains filter residue, then the hydrochloric acid for being 6% by filter residue and mass concentration
Solution mix, be stirred to react 12min, be washed to pH be 8, then with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel
Oil mixing imports in reaction kettle, is warming up to 78 DEG C, adds tert-butyl hydroperoxide, is stirred to react 24min, adds more precipitations
White carbon, barium silicate continue to be stirred to react 0.6h, drying, grinding, you can obtain compounded mix.
Preferably, the preparation method of the modified carbon nano-tube of the step c is：Carbon nanotube is dispersed in more expensive alcohol ether sulphur
In the aqueous solution of sour sodium, coupling agent is then added, it is spray-dried after stirring evenly, you can to obtain modified carbon nano-tube.
Preferably, the preparation method of the modified aluminas of the step c is：Alumina dispersion is being contained into surfactant
Aqueous solution in, styrene, divinylbenzene and coupling agent is then added, is stirred to react 1-1.4h, you can obtain modified oxidized
Aluminium.
Preferably, the surfactant is neopelex and lauryl sodium sulfate in mass ratio 3:2 is mixed
It closes.
Preferably, the ultra-violet absorber of the step d is salicylate ultraviolet absorbent, the suction of benzophenone class ultraviolet light
Receive agent and hindered amines ultra-violet absorber in mass ratio 2:1:1 mixes.
The beneficial effects of the invention are as follows：
The ageing resistance of wire covering prepared by the present invention, creep resistant, heat resistance, electrical insulating property, dimensional stability and machinery are strong
Degree etc. is had excellent performance, and its ingredient is cheap, preparation method is simple, is suitble to industrialization large-scale production.
The preparation method of compounded mix in the present invention, the biotite used aid in other compositions for primary raw material, system
Standby filler has the advantages that improve flame retardant property, wearability and the toughness of wire covering, and at low cost, fineness height, thus
Reinforcing property is good, good film-forming property.
The preparation method of modified carbon nano-tube in the present invention, the aqueous solution and coupling agent pair of the more expensive ether sulfate of use
Carbon nanotube is modified, and can greatly improve the dispersibility of carbon nanotube, and thing is more easily dispersed in rubber matrix, from
And improve the creep resistant of finished product, mechanical strength.
Modified aluminas in the present invention uses aqueous solution, styrene, divinylbenzene and the coupling agent of surfactant
It is composite modified, make aluminium oxide have the function of preferably fill so that the finished product of preparation have heat resistance, electrical insulating property, size
Stability.
Surfactant in the present invention is the proportioning of neopelex and lauryl sodium sulfate, in the ratio
Under, level of activity is high, efficient, shortens preparation time.
Ultra-violet absorber in the present invention be salicylate ultraviolet absorbent, benzophenone class ultra-violet absorber and by
The proportioning of hindered amine ultra-violet absorber, the cooperation of a variety of ultra-violet absorbers can maximize the ultraviolet light suction for improving finished product
It receives performance and improves its anti-aging property to extend its service life.
Specific implementation mode
Embodiment 1
A kind of anti-aging wire covering for power equipment includes the raw material of following parts by weight：8 parts of ethylene propylene diene rubber, butyronitrile
7 parts of rubber, 12 parts of dibutyl maleate, 9 parts of compounded mix, 15 parts of modified carbon nano-tube, 8 parts of modified aluminas, oxidation
5 parts of calcium, 14 parts of odium stearate, 8 parts of talcum powder, 6 parts of polyethylene glycol, 4 parts of paraffin, 12 parts of sucrose stearate, antiaging agent 3
5 parts of part, 6 parts of fire retardant and ultra-violet absorber.
A kind of preparation method of anti-aging cable for power equipment, including following preparation process：
A, ethylene propylene diene rubber, nitrile rubber are added in rubber mixing machine, at 75 DEG C, pressure refining 35min, reaction terminates control roller temperature
Afterwards, heat preservation obtains mixture one at 65 DEG C；
B, calcium oxide, talcum powder are mixed, was crushed to 600 mesh sieve, then be added to poly- second together with paraffin, sucrose stearate
In glycol, it is stirred to react 0.8h at 78 DEG C, with the rotating speed of 300r/min, obtains mixture two；
C, mixture two is uniformly mixed with compounded mix, modified carbon nano-tube, modified aluminas, odium stearate, is added to mixed
It closes in object one, is placed in blender, is warming up to 102 DEG C, 1.3h is stirred to react with the rotating speed of 1000r/min, obtains mixture three；
D, mixture three, dibutyl maleate, antiaging agent, fire retardant and ultra-violet absorber are imported into twin-screw together
In extruder, through melting extrusion, re-compacted molding, you can obtain finished product.
The preparation method of the compounded mix of step c is：Biotite is mixed with the sodium hydroxide solution that mass concentration is 7%,
85 DEG C are heated to, 18min is stirred to react, is filtered, filter residue is obtained, then filter residue is mixed with the hydrochloric acid solution that mass concentration is 4%, stirs
Reaction 10min is mixed, it is 7 to be washed to pH, then mixes importing instead with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel oil
It answers in kettle, is warming up to 75 DEG C, adds tert-butyl hydroperoxide, be stirred to react 22min, add more precipitated silicas, silicic acid
Barium continues to be stirred to react 0.8h, drying, grinding, you can obtain compounded mix.
The preparation method of the modified carbon nano-tube of step c is：Carbon nanotube is dispersed in the water-soluble of more expensive ether sulfate
In liquid, coupling agent is then added, it is spray-dried after stirring evenly, you can to obtain modified carbon nano-tube.
The preparation method of the modified aluminas of step c is：By alumina dispersion in the aqueous solution containing surfactant,
Then styrene, divinylbenzene and coupling agent is added, is stirred to react 1h, you can obtain modified aluminas.
Surfactant is neopelex and lauryl sodium sulfate in mass ratio 3:2 mix.
The ultra-violet absorber of step d is salicylate ultraviolet absorbent, benzophenone class ultra-violet absorber and is obstructed
Amine ultra-violet absorber in mass ratio 2:1:1 mixes.
Embodiment 2
A kind of anti-aging wire covering for power equipment includes the raw material of following parts by weight：8 parts of ethylene propylene diene rubber, butyronitrile
11 parts of rubber, 10 parts of dibutyl maleate, 5 parts of compounded mix, 14 parts of modified carbon nano-tube, 6 parts of modified aluminas, oxidation
5 parts of calcium, 114 parts of odium stearate, 11 parts of talcum powder, 11 parts of polyethylene glycol, 7 parts of paraffin, 10 parts of sucrose stearate, antiaging agent
3 parts of 5 parts, 4 parts of fire retardant and ultra-violet absorber.
A kind of preparation method of anti-aging cable for power equipment, including following preparation process：
A, ethylene propylene diene rubber, nitrile rubber are added in rubber mixing machine, at 80 DEG C, pressure refining 35min, reaction terminates control roller temperature
Afterwards, heat preservation obtains mixture one at 60 DEG C；
B, calcium oxide, talcum powder are mixed, was crushed to 600 mesh sieve, then be added to poly- second together with paraffin, sucrose stearate
In glycol, it is stirred to react 0.8h at 82 DEG C, with the rotating speed of 300r/min, obtains mixture two；
C, mixture two is uniformly mixed with compounded mix, modified carbon nano-tube, modified aluminas, odium stearate, is added to mixed
It closes in object one, is placed in blender, is warming up to 102 DEG C, 1.3h is stirred to react with the rotating speed of 800r/min, obtains mixture three；
D, mixture three, dibutyl maleate, antiaging agent, fire retardant and ultra-violet absorber are imported into twin-screw together
In extruder, through melting extrusion, re-compacted molding, you can obtain finished product.
The preparation method of the compounded mix of step c is：Biotite is mixed with the sodium hydroxide solution that mass concentration is 7%,
85 DEG C are heated to, 15min is stirred to react, is filtered, filter residue is obtained, then filter residue is mixed with the hydrochloric acid solution that mass concentration is 4%, stirs
Reaction 10min is mixed, it is 9 to be washed to pH, then mixes importing instead with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel oil
It answers in kettle, is warming up to 75 DEG C, adds tert-butyl hydroperoxide, be stirred to react 22min, add more precipitated silicas, silicic acid
Barium continues to be stirred to react 0.8h, drying, grinding, you can obtain compounded mix.
The preparation method of the modified carbon nano-tube of step c is：Carbon nanotube is dispersed in the water-soluble of more expensive ether sulfate
In liquid, coupling agent is then added, it is spray-dried after stirring evenly, you can to obtain modified carbon nano-tube.
The preparation method of the modified aluminas of step c is：By alumina dispersion in the aqueous solution containing surfactant,
Then styrene, divinylbenzene and coupling agent is added, is stirred to react 1.4h, you can obtain modified aluminas.
Surfactant is neopelex and lauryl sodium sulfate in mass ratio 3:2 mix.
The ultra-violet absorber of step d is salicylate ultraviolet absorbent, benzophenone class ultra-violet absorber and is obstructed
Amine ultra-violet absorber in mass ratio 2:1:1 mixes.
Embodiment 3
A kind of anti-aging wire covering for power equipment includes the raw material of following parts by weight：9 parts of ethylene propylene diene rubber, butyronitrile
10 parts of rubber, 9 parts of dibutyl maleate, 6 parts of compounded mix, 13 parts of modified carbon nano-tube, 7 parts of modified aluminas, oxidation
7 parts of calcium, 12 parts of odium stearate, 11 parts of talcum powder, 9 parts of polyethylene glycol, 5 parts of paraffin, 8 parts of sucrose stearate, antiaging agent 6
3 parts of part, 5 parts of fire retardant and ultra-violet absorber.
A kind of preparation method of anti-aging cable for power equipment, including following preparation process：
A, ethylene propylene diene rubber, nitrile rubber are added in rubber mixing machine, at 75 DEG C, pressure refining 35min, reaction terminates control roller temperature
Afterwards, heat preservation obtains mixture one at 65 DEG C；
B, calcium oxide, talcum powder are mixed, was crushed to 600 mesh sieve, then be added to poly- second together with paraffin, sucrose stearate
In glycol, it is stirred to react 0.6h at 78 DEG C, with the rotating speed of 340r/min, obtains mixture two；
C, mixture two is uniformly mixed with compounded mix, modified carbon nano-tube, modified aluminas, odium stearate, is added to mixed
It closes in object one, is placed in blender, is warming up to 95 DEG C, 1.3h is stirred to react with the rotating speed of 1000r/min, obtains mixture three；
D, mixture three, dibutyl maleate, antiaging agent, fire retardant and ultra-violet absorber are imported into twin-screw together
In extruder, through melting extrusion, re-compacted molding, you can obtain finished product.
The preparation method of the compounded mix of step c is：Biotite is mixed with the sodium hydroxide solution that mass concentration is 5%,
82 DEG C are heated to, 16min is stirred to react, is filtered, filter residue is obtained, then filter residue is mixed with the hydrochloric acid solution that mass concentration is 6%, stirs
Reaction 12min is mixed, it is 8 to be washed to pH, then mixes importing instead with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel oil
It answers in kettle, is warming up to 78 DEG C, adds tert-butyl hydroperoxide, be stirred to react 24min, add more precipitated silicas, silicic acid
Barium continues to be stirred to react 0.6h, drying, grinding, you can obtain compounded mix.
The preparation method of the modified carbon nano-tube of step c is：Carbon nanotube is dispersed in the water-soluble of more expensive ether sulfate
In liquid, coupling agent is then added, it is spray-dried after stirring evenly, you can to obtain modified carbon nano-tube.
The preparation method of the modified aluminas of step c is：By alumina dispersion in the aqueous solution containing surfactant,
Then styrene, divinylbenzene and coupling agent is added, is stirred to react 1.4h, you can obtain modified aluminas.
Surfactant is neopelex and lauryl sodium sulfate in mass ratio 3:2 mix.
The ultra-violet absorber of step d is salicylate ultraviolet absorbent, benzophenone class ultra-violet absorber and is obstructed
Amine ultra-violet absorber in mass ratio 2:1:1 mixes.
Comparative example 1
Comparison is detected using common anti-aging wire covering in the prior art.
Finished product prepared by above example and comparative example is detected, following detection data is obtained：
Table 1：
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength（MPa） | 36.5 | 36.4 | 37.2 | 23.5 |
| Elongation at break（%） | 322 | 331 | 335 | 289 |
| 20 DEG C of volume resistivities（W·m） | 7.5×1012 | 7.3×1012 | 7.5×1012 | 6.7×1012 |
| Dielectric strength（MV/m） | 36 | 36 | 37 | 31 |
| Air oven aging test（125 DEG C, 168h）, tensile strength change rate（%） | -6.2 | -6.4 | -6.1 | -10.5 |
| Air oven aging test（125 DEG C, 168h）, elongation at break change rate（%） | 6.3 | 6.5 | 6.2 | 9.8 |
By the experimental data of 1 gained of table, it can be deduced that, the properties of finished product prepared by preparation method of the invention are significantly excellent
In common product in the prior art, and the preferred preparation method in the embodiment of the present invention 3, obtained end properties
It is the most excellent.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of anti-aging wire covering for power equipment, which is characterized in that include the raw material of following parts by weight：EPDM
8-12 parts of rubber, 7-11 parts of nitrile rubber, 5-12 parts of dibutyl maleate, 5-9 parts of compounded mix, modified carbon nano-tube
12-15 parts, 4-8 parts of modified aluminas, 5-10 parts of calcium oxide, 11-14 parts of odium stearate, 8-13 parts of talcum powder, polyethylene glycol 6-
11 parts, 4-9 parts of paraffin, 7-12 parts of sucrose stearate, 3-7 parts of antiaging agent, 3-6 parts of fire retardant and ultra-violet absorber 3-5
Part.
2. a kind of anti-aging wire covering for power equipment according to claim 1, which is characterized in that described anti-aging
Wire covering includes the raw material of following parts by weight：8-10 parts of ethylene propylene diene rubber, 8-11 parts of nitrile rubber, dibutyl maleate
5-10 parts, 5-7 parts of compounded mix, 12-14 parts of modified carbon nano-tube, 6-8 parts of modified aluminas, 5-9 parts of calcium oxide, odium stearate
12-14 parts, 8-11 parts of talcum powder, 8-11 parts of polyethylene glycol, 4-7 parts of paraffin, 7-10 parts of sucrose stearate, antiaging agent 5-7
3-4 parts of part, 4-6 parts of fire retardant and ultra-violet absorber.
3. a kind of anti-aging wire covering for power equipment according to claim 1, which is characterized in that described anti-aging
Wire covering includes the raw material of following parts by weight：9 parts of ethylene propylene diene rubber, 10 parts of nitrile rubber, 9 parts of dibutyl maleate,
6 parts of compounded mix, 13 parts of modified carbon nano-tube, 7 parts of modified aluminas, 7 parts of calcium oxide, 12 parts of odium stearate, 11 parts of talcum powder,
3 parts of 9 parts of polyethylene glycol, 5 parts of paraffin, 8 parts of sucrose stearate, 6 parts of antiaging agent, 5 parts of fire retardant and ultra-violet absorber.
4. a kind of preparation method of anti-aging cable for power equipment of claim 1-3 any one of them, feature exist
In, including following preparation process：
A, ethylene propylene diene rubber, nitrile rubber are added in rubber mixing machine, control roller temperature is at 75-80 DEG C, pressure refining 32-35min, reaction
After, it is kept the temperature at 60-65 DEG C and obtains mixture one；
B, calcium oxide, talcum powder are mixed, was crushed to 500-600 mesh sieve, then be added to together with paraffin, sucrose stearate
In polyethylene glycol, it is stirred to react 0.6-0.8h at 78-82 DEG C, with the rotating speed of 300-340r/min, obtains mixture two；
C, mixture two is uniformly mixed with compounded mix, modified carbon nano-tube, modified aluminas, odium stearate, is added to mixed
It closes in object one, is placed in blender, is warming up to 95-102 DEG C, 1.1-1.3h is stirred to react with the rotating speed of 800-1000r/min, is obtained
To mixture three；
D, mixture three, dibutyl maleate, antiaging agent, fire retardant and ultra-violet absorber are imported into twin-screw together
In extruder, through melting extrusion, re-compacted molding, you can obtain finished product.
5. a kind of preparation method of anti-aging wire covering for power equipment according to claim 4, which is characterized in that
The preparation method of the compounded mix of the step c is：Biotite is mixed with the sodium hydroxide solution that mass concentration is 5-7%, is added
Heat is stirred to react 15-18min to 82-85 DEG C, filtering, obtains filter residue, then filter residue is mixed with mass concentration for the hydrochloric acid solution of 4-6%
Close, be stirred to react 10-12min, be washed to pH be 7-9, then with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel oil
Mixing imports in reaction kettle, is warming up to 75-78 DEG C, adds tert-butyl hydroperoxide, be stirred to react 22-24min, adds more
Precipitated silica, barium silicate continue to be stirred to react 0.6-0.8h, drying, grinding, you can obtain compounded mix.
6. a kind of preparation method of anti-aging wire covering for power equipment according to claim 5, which is characterized in that
The preparation method of the compounded mix of the step c is：Biotite is mixed with the sodium hydroxide solution that mass concentration is 5%, is heated
To 82 DEG C, it is stirred to react 16min, is filtered, obtains filter residue, then filter residue is mixed with the hydrochloric acid solution that mass concentration is 6%, stirring is anti-
12min is answered, it is 8 to be washed to pH, then is mixed with petroleum sodium sulfonate, polyester acrylate, trifluoroacetic acid, fennel oil and import reaction kettle
In, 78 DEG C are warming up to, tert-butyl hydroperoxide is added, is stirred to react 24min, adds more precipitated silicas, barium silicate, after
It is continuous to be stirred to react 0.6h, drying, grinding, you can obtain compounded mix.
7. a kind of preparation method of anti-aging wire covering for power equipment according to claim 4, which is characterized in that
The preparation method of the modified carbon nano-tube of the step c is：Carbon nanotube is dispersed in the aqueous solution of more expensive ether sulfate,
Then coupling agent is added, it is spray-dried after stirring evenly, you can to obtain modified carbon nano-tube.
8. a kind of preparation method of anti-aging wire covering for power equipment according to claim 4, which is characterized in that
The preparation method of the modified aluminas of the step c is：By alumina dispersion in the aqueous solution containing surfactant, then
Styrene, divinylbenzene and coupling agent is added, is stirred to react 1-1.4h, you can obtain modified aluminas.
9. a kind of preparation method of anti-aging wire covering for power equipment according to claim 8, which is characterized in that
The surfactant is neopelex and lauryl sodium sulfate in mass ratio 3:2 mix.
10. a kind of preparation method of anti-aging wire covering for power equipment according to claim 4, feature exist
In the ultra-violet absorber of the step d is salicylate ultraviolet absorbent, benzophenone class ultra-violet absorber and hindered amine
Class ultra-violet absorber in mass ratio 2:1:1 mixes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810721581.6A CN108794904A (en) | 2018-07-04 | 2018-07-04 | A kind of anti-aging wire covering and preparation method thereof for power equipment |
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| CN201810721581.6A CN108794904A (en) | 2018-07-04 | 2018-07-04 | A kind of anti-aging wire covering and preparation method thereof for power equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627600A (en) * | 2020-06-04 | 2020-09-04 | 深圳市红旗电工科技有限公司 | Self-supporting flat sensing signal connection control combined cable for automatic hoisting equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119606A (en) * | 2014-06-26 | 2014-10-29 | 合肥和安机械制造有限公司 | Special filler for light-aging-resistant cable jacket material and preparation method thereof |
| CN105153555A (en) * | 2015-10-10 | 2015-12-16 | 江苏火凤凰线缆系统技术股份有限公司 | Formula, preparation method and use of anti-aging cable composition |
-
2018
- 2018-07-04 CN CN201810721581.6A patent/CN108794904A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119606A (en) * | 2014-06-26 | 2014-10-29 | 合肥和安机械制造有限公司 | Special filler for light-aging-resistant cable jacket material and preparation method thereof |
| CN105153555A (en) * | 2015-10-10 | 2015-12-16 | 江苏火凤凰线缆系统技术股份有限公司 | Formula, preparation method and use of anti-aging cable composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627600A (en) * | 2020-06-04 | 2020-09-04 | 深圳市红旗电工科技有限公司 | Self-supporting flat sensing signal connection control combined cable for automatic hoisting equipment |
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