CN108727693A - Anti-aging cable insulation material and preparation method thereof - Google Patents
Anti-aging cable insulation material and preparation method thereof Download PDFInfo
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- CN108727693A CN108727693A CN201810499252.1A CN201810499252A CN108727693A CN 108727693 A CN108727693 A CN 108727693A CN 201810499252 A CN201810499252 A CN 201810499252A CN 108727693 A CN108727693 A CN 108727693A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
-
- 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
-
- 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
Abstract
The invention discloses a kind of anti-aging cable insulation material and preparation method thereof, the preparation method includes：After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud；Polypropylene, modified alta-mud, alkyd resin, polyvinyl alcohol, ethylene group bis-stearamides, graphite, Corvic, nitrile rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler are mixed, after stirring, the anti-aging cable insulation material is obtained through melting, injection molding；The insulating materials for solving common cable is easy to happen aging after long-play, the problem of reducing the service life of cable.
Description
Technical field
The present invention relates to cable preparation fields, and in particular, to a kind of anti-aging cable insulation material and preparation method thereof.
Background technology
Volume resistivity is more than on electrotechnics for high molecular material currently, the insulating layer of cable is most commonly used
109The material that the substance of Ω cm is constituted is known as insulating materials, that is, for making device that can electrically prevent electric current
By material.Crosslinked polypropylene has excellent dielectric properties and mechanical performance, oneself is widely used in high pressure and super-pressure
In plastic insulating power cable.With the development of super-pressure, extra-high voltage direct-current power transmission and transformation system, the insulation ag(e)ing in operational process
Problem is increasingly severe, oneself becomes the major obstacle that insulated cable develops to super-pressure.When the applied electric field of insulating polymer is strong
When degree reaches 1/10th of breakdown field strength, poplar bundles can be caused in the Electric Power Equipment Insulation to work long hours, reduce electricity
Cable service life.
Therefore it provides a kind of higher, the non-aging anti-aging cable insulation material and preparation method thereof of mechanical strength is
There is an urgent need for problems to be solved by the present invention.
Invention content
The object of the present invention is to provide a kind of anti-aging cable insulation materials and preparation method thereof, solve common cable
Insulating materials is easy to happen aging after long-play, the problem of reducing the service life of cable.
To achieve the goals above, the present invention provides a kind of preparation method of anti-aging cable insulation material, the systems
Preparation Method includes：
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, is obtained modified swollen
Profit soil；Wherein, the condition of aeroponics includes：Temperature is 100-150 DEG C, pressure 0.4-0.7Mpa；
(2) by polypropylene, modified alta-mud, alkyd resin, polyvinyl alcohol, ethylene group bis-stearamides, graphite, polychlorostyrene second
Olefine resin, nitrile rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing, after stirring, through melting, injection molding
Obtain the anti-aging cable insulation material；
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight；
Relative to the polypropylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of alkyd resin is
The dosage of 10-20 parts by weight, polyvinyl alcohol is 5-15 parts by weight, and the dosage of ethylene group bis-stearamides is 1-10 parts by weight, stone
The dosage of ink is 1-5 parts by weight, and the dosage of Corvic is 1-4 parts by weight, and the dosage of nitrile rubber is 10-20 weight
Part, the dosage of organic silicon fibre retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 weights
Measure part, the dosage 5-10 parts by weight of filler.
The present invention provides a kind of anti-aging cable insulation material, the anti-aging cable insulation material is by above-mentioned preparation
Method is made.
Through the above technical solutions, the present invention provides a kind of preparation method of anti-aging cable insulation material, the system
Preparation Method includes：After boric acid ester coupler is pressurizeed, activation modification is carried out on bentonite surface using aeroponics, is obtained modified swollen
Profit soil；Wherein, the condition of aeroponics includes：Temperature is 100-150 DEG C, pressure 0.4-0.7Mpa；By polypropylene, bentone
Soil, alkyd resin, polyvinyl alcohol, ethylene group bis-stearamides, graphite, Corvic, nitrile rubber, organic silicon flame-retardant
After stirring, the anti-aging cable insulation material is obtained through melting, injection molding for agent, plasticizer, antioxidant and filler mixing
Material；Pass through the synergistic effect between each raw material so that anti-aging cable insulation material obtained have excellent mechanical performance and
Ageing resistance, and preparation method provided by the invention is simple for process, raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of preparation method of anti-aging cable insulation material, the preparation method includes：
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, is obtained modified swollen
Profit soil；Wherein, the condition of aeroponics includes：Temperature is 100-150 DEG C, pressure 0.4-0.7Mpa；
(2) by polypropylene, modified alta-mud, alkyd resin, polyvinyl alcohol, ethylene group bis-stearamides, graphite, polychlorostyrene second
Olefine resin, nitrile rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing, after stirring, through melting, injection molding
Obtain the anti-aging cable insulation material；
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight；
Relative to the polypropylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of alkyd resin is
The dosage of 10-20 parts by weight, polyvinyl alcohol is 5-15 parts by weight, and the dosage of ethylene group bis-stearamides is 1-10 parts by weight, stone
The dosage of ink is 1-5 parts by weight, and the dosage of Corvic is 1-4 parts by weight, and the dosage of nitrile rubber is 10-20 weight
Part, the dosage of organic silicon fibre retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 weights
Measure part, the dosage 5-10 parts by weight of filler.
Preferably, the dosage of the polypropylene relative to 100 parts by weight, modified alta-mud is 8-12 parts by weight, alkyd resin
Dosage be 14-16 parts by weight, the dosage of polyvinyl alcohol is 8-12 parts by weight, and the dosage of ethylene group bis-stearamides is that 3-7 is weighed
Part is measured, the dosage of graphite is 2-4 parts by weight, and the dosage of Corvic is 2-3 parts by weight, and the dosage of nitrile rubber is 14-
The dosage of 16 parts by weight, organic silicon fibre retardant is 2-3 parts by weight, and the dosage of plasticizer is 1.5-2.5 parts by weight, the use of antioxidant
Amount is 3-5 parts by weight, the dosage 7-8 parts by weight of filler.
Preferably, plasticizer is selected from phthalate compound, terephthalic acid ester compound and trimellitic acid
It is one or more in ester type compound.
Preferably, antioxidant is one or more in antioxidant 1010, antioxidant 1076 and antioxidant CA.
Preferably, filler is one or more in calcium carbonate, clay, silicate and talcum powder.
Preferably, the condition of melting includes：Temperature is 220-310 DEG C, time 1-2h.
Preferably, the condition of injection molding includes：The rotating speed of screw rod is 200-300 revs/min, and the temperature of feeding section is
200-210 DEG C, the temperature of fusion plastification section is 240-250 DEG C, and the temperature for mixing homogenizing zone is 210-220 DEG C, melt conveying meter
The temperature for measuring section is 180-200 DEG C.
The present invention also provides a kind of anti-aging cable insulation material, the anti-aging cable insulation material is by above-mentioned system
Preparation Method is made.
The present invention will be described in detail by way of examples below.It is exhausted to anti-aging cable obtained in following embodiment
Edge material is detected, and the detection of the tensile strength of anti-aging cable insulation material, elongation at break is according to this field below
Common detection method carries out, and the testing conditions of anti-aging property are：Anti-aging cable insulation material by 200 DEG C × 30 days into
Row hot air aging.
Embodiment 1
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud
(condition of aeroponics includes：Temperature is 100 DEG C, pressure 0.4Mpa)；By polypropylene, modified alta-mud, alkyd resin, poly- second
Enol, ethylene group bis-stearamides, graphite, Corvic, nitrile rubber, organic silicon fibre retardant, phthalate
Compound, antioxidant 1010 and calcium carbonate mixing after stirring, are obtained through melting (temperature is 220 DEG C, time 1h), injection molding
To the anti-aging cable insulation material；The condition of injection molding includes：The rotating speed of screw rod is 200 revs/min, the temperature of feeding section
Degree is 200 DEG C, and the temperature of fusion plastification section is 240 DEG C, and the temperature for mixing homogenizing zone is 210 DEG C, the temperature of melt conveying metering section
Degree is 180 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler is 10g；Relative to the polypropylene of 100g,
The dosage of modified alta-mud is 5g, and the dosage of alkyd resin is 10g, and the dosage of polyvinyl alcohol is 5g, ethylene group bis-stearamides
Dosage be 1g, the dosage of graphite is 1g, and the dosage of Corvic is 1g, and the dosage of nitrile rubber is 10g, organosilicon resistance
The dosage for firing agent is 1g, and the dosage of plasticizer is 1g, and the dosage of antioxidant is 2g, the dosage 5g of filler.After 200 DEG C, 30 days
Its stretching strength retentivity is 96.9%, rupture strength retention 97.2%.
Embodiment 2
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud
(condition of aeroponics includes：Temperature is 150 DEG C, pressure 0.7Mpa)；By polypropylene, modified alta-mud, alkyd resin, poly- second
Enol, ethylene group bis-stearamides, graphite, Corvic, nitrile rubber, organic silicon fibre retardant, terephthalic acid ester
Compound, antioxidant 1076 and clay mixing after stirring, are obtained through melting (temperature is 310 DEG C, time 2h), injection molding
The anti-aging cable insulation material；The condition of injection molding includes：The rotating speed of screw rod is 300 revs/min, the temperature of feeding section
It it is 210 DEG C, the temperature of fusion plastification section is 250 DEG C, and the temperature for mixing homogenizing zone is 220 DEG C, the temperature of melt conveying metering section
It is 200 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler is 15g；Relative to the polypropylene of 100g, change
Property bentonitic dosage be 15g, the dosage of alkyd resin is 20g, and the dosage of polyvinyl alcohol is 15g, ethylene group bis-stearamides
Dosage be 10g, the dosage of graphite is 5g, and the dosage of Corvic is 4g, and the dosage of nitrile rubber is 20g, organosilicon
The dosage of fire retardant is 4g, and the dosage of plasticizer is 3g, and the dosage of antioxidant is 6g, the dosage 10g of filler.200 DEG C, 30 days
Its stretching strength retentivity is 95.6% afterwards, rupture strength retention 96.5%.
Embodiment 3
After boric acid ester coupler is pressurizeed, activation modification is carried out using aeroponics bentonite surface, obtains modified alta-mud
(condition of aeroponics includes：Temperature is 120 DEG C, pressure 0.5Mpa)；By polypropylene, modified alta-mud, alkyd resin, poly- second
Enol, ethylene group bis-stearamides, graphite, Corvic, nitrile rubber, organic silicon fibre retardant, trimellitic acid esters
Object, antioxidant CA and talcum powder mixing are closed, after stirring, is obtained through melting (temperature is 280 DEG C, time 1.5h), injection molding
The anti-aging cable insulation material；The condition of injection molding includes：The rotating speed of screw rod is 250 revs/min, the temperature of feeding section
It it is 205 DEG C, the temperature of fusion plastification section is 245 DEG C, and the temperature for mixing homogenizing zone is 215 DEG C, the temperature of melt conveying metering section
It is 190 DEG C.Wherein, relative to the bentonite of 100g, the dosage of boric acid ester coupler is 12g；Relative to the polypropylene of 100g, change
Property bentonitic dosage be 10g, the dosage of alkyd resin is 15g, and the dosage of polyvinyl alcohol is 10g, ethylene group bis-stearamides
Dosage be 5g, the dosage of graphite is 3g, and the dosage of Corvic is 2g, and the dosage of nitrile rubber is 15g, organosilicon resistance
The dosage for firing agent is 2g, and the dosage of plasticizer is 2g, and the dosage of antioxidant is 4g, the dosage 7g of filler.After 200 DEG C, 30 days
Its stretching strength retentivity is 97.1%, rupture strength retention 90.6%.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of preparation method of anti-aging cable insulation material, which is characterized in that the preparation method includes:
(1) after boric acid ester coupler pressurizeing, activation modification is carried out on bentonite surface using aeroponics, obtains bentone
Soil；Wherein, the condition of aeroponics includes：Temperature is 100-150 DEG C, pressure 0.4-0.7Mpa；
(2) by polypropylene, modified alta-mud, alkyd resin, polyvinyl alcohol, ethylene group bis-stearamides, graphite, polyvinyl chloride tree
Fat, nitrile rubber, organic silicon fibre retardant, plasticizer, antioxidant and filler mixing, after stirring, obtain through melting, injection molding
The anti-aging cable insulation material；
Wherein, the dosage of the bentonite relative to 100 parts by weight, boric acid ester coupler is 10-15 parts by weight；
Relative to the polypropylene of 100 parts by weight, the dosage of modified alta-mud is 5-15 parts by weight, and the dosage of alkyd resin is 10-
The dosage of 20 parts by weight, polyvinyl alcohol is 5-15 parts by weight, and the dosage of ethylene group bis-stearamides is 1-10 parts by weight, graphite
Dosage is 1-5 parts by weight, and the dosage of Corvic is 1-4 parts by weight, and the dosage of nitrile rubber is 10-20 parts by weight, is had
The dosage of machine silicon fire retardant is 1-4 parts by weight, and the dosage of plasticizer is 1-3 parts by weight, and the dosage of antioxidant is 2-6 parts by weight,
The dosage 5-10 parts by weight of filler.
2. preparation method according to claim 1, wherein relative to the polypropylene of 100 parts by weight, the use of modified alta-mud
Amount is 8-12 parts by weight, and the dosage of alkyd resin is 14-16 parts by weight, and the dosage of polyvinyl alcohol is 8-12 parts by weight, ethylene group
The dosage of bis-stearamides is 3-7 parts by weight, and the dosage of graphite is 2-4 parts by weight, and the dosage of Corvic is 2-3 weight
Part, the dosage of nitrile rubber is 14-16 parts by weight, and the dosage of organic silicon fibre retardant is 2-3 parts by weight, and the dosage of plasticizer is
The dosage of 1.5-2.5 parts by weight, antioxidant is 3-5 parts by weight, the dosage 7-8 parts by weight of filler.
3. preparation method according to claim 1, wherein plasticizer is selected from phthalate compound, to benzene two
It is one or more in formic ether compounds and trimellitic acid esters compound.
4. preparation method according to claim 1, wherein antioxidant is selected from antioxidant 1010, antioxidant 1076 and antioxygen
It is one or more in agent CA.
5. preparation method according to claim 1, wherein filler is in calcium carbonate, clay, silicate and talcum powder
It is one or more.
6. preparation method according to claim 1, wherein the condition of melting includes：Temperature is 220-310 DEG C, and the time is
1-2h。
7. preparation method according to claim 1, wherein the condition of injection molding includes：The rotating speed of screw rod is 200-300
Rev/min, the temperature of feeding section is 200-210 DEG C, and the temperature of fusion plastification section is 240-250 DEG C, mixes the temperature of homogenizing zone
It it is 210-220 DEG C, the temperature of melt conveying metering section is 180-200 DEG C.
8. a kind of anti-aging cable insulation material, which is characterized in that the anti-aging cable insulation material is by claim 1-7
Preparation method described in any one is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499252.1A CN108727693A (en) | 2018-05-23 | 2018-05-23 | Anti-aging cable insulation material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499252.1A CN108727693A (en) | 2018-05-23 | 2018-05-23 | Anti-aging cable insulation material and preparation method thereof |
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| CN108727693A true CN108727693A (en) | 2018-11-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556602A (en) * | 2017-09-20 | 2018-01-09 | 无锡市永兴金属软管有限公司 | A kind of compound materials of halogen free flame retardant cable sheath and preparation method thereof |
-
2018
- 2018-05-23 CN CN201810499252.1A patent/CN108727693A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556602A (en) * | 2017-09-20 | 2018-01-09 | 无锡市永兴金属软管有限公司 | A kind of compound materials of halogen free flame retardant cable sheath and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 曾人泉: "《塑料加工助剂》", 30 September 1997, 中国物资出版社 * |
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Application publication date: 20181102 |