CN103540000A - Tracking-resistant polyethylene sheath material for power wire and preparation method thereof - Google Patents

Tracking-resistant polyethylene sheath material for power wire and preparation method thereof Download PDF

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Publication number
CN103540000A
CN103540000A CN201310430782.8A CN201310430782A CN103540000A CN 103540000 A CN103540000 A CN 103540000A CN 201310430782 A CN201310430782 A CN 201310430782A CN 103540000 A CN103540000 A CN 103540000A
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Prior art keywords
parts
sheath material
nano
density polyethylene
resistance
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CN201310430782.8A
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Inventor
林文树
林文禄
曹卫明
鲜元兵
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Tianzhang City Fu Da Electronics Co Ltd
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Tianzhang City Fu Da Electronics Co Ltd
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Priority to CN201310430782.8A priority Critical patent/CN103540000A/en
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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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 tracking-resistant polyethylene sheath material for a power wire and a preparation method thereof. The tracking-resistant polyethylene sheath material for the power wire is prepared from the following substances in parts by weight: 50-70 parts of high-density polyethylene, 30-40 parts of linear low-density polyethylene, 15-25 parts of ethylene-propylene-diene monomer, 3-6 parts of polytrifluoropropyl methylsiloxane, 10-15 parts of nano wollastonite, 20-25 parts of sediment white carbon black, 5-10 parts of nano-montmorillonite, 4-6 parts of ferrocene, 10-15 parts of magnesium hydroxide, 8-12 parts of methyl phenyl silicone oil, 2-3 parts of dibutyltin dilaurate, 3-5 parts of phosphoguanidine and 5-10 parts of borax. The sheath material is excellent in tracking resistance, so that the electric erosion phenomenon on the surface of the power wire in extra-high voltage can be solved; meanwhile, the sheath material is good in physical and mechanical properties, electrical insulation property, environmental stress crack resistance, ageing resistance and heat resistance, durable in use, long-term in operation in outdoor severe environment without failure, good in flame retardant effect, low in smoke during combusting without harmful gas release, free of environmental pollution, safe and environment-friendly.

Description

Resistance to electric trace polyethylene sheath material and preparation method thereof for a kind of supply lead
Technical field
The present invention relates to a kind of supply lead sheath material and preparation method thereof, be specifically related to resistance to electric trace polyethylene sheath material and preparation method thereof for a kind of supply lead.
Background technology
Supply lead sheath is the indispensable intermediate structure part of supply lead, plays a part protection power source line, guarantees the energising safety of supply lead, makes the media such as copper wire and water, air isolated, avoids occurring leaky.Polyethylene sheath material, because having good heat-resistant aging, environmental stress crack resistance, also has very high tensile strength, elongation at break, is applicable to supply lead sheath, and copper core is had to enough provide protections.Yet EHT supply line has comparatively harsh requirement to the electric erosion resistance of sheath, and existing polyethylene sheathing material cannot meet the requirement of its resistance to electric trace in the market.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, resistance to electric trace polyethylene sheath material and preparation method thereof for a kind of supply lead is provided.
The technical solution used in the present invention is as follows:
Resistance to electric trace polyethylene sheath material for a kind of supply lead, raw material by following weight part is made: high density polyethylene(HDPE) 50-70, linear low density polyethylene 30-40, terpolymer EP rubber 15-25, trifluompropyl methyl polysiloxane 3-6, nano-silicon lime stone 10-15, precipitated silica 20-25, nano imvite 5-10, ferrocene 4-6, magnesium hydroxide 10-15, methyl phenyl silicone oil 8-12, dibutyl tin laurate 2-3, phosphoguanidine 3-5, borax 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5-1, processing aid PPA2-4, Dimethoxyethyl phthalate 5-10, solid paraffin 3-5, antioxidant 1076 1-2, compounded mix 4-6,
The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: agalmatolite 8-12, diopside 5-10, opoka 4-8, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, calcium lignin sulphonate 2-3, water glass 3-5, electric rock ballast 4-7, Nano diamond 3-6, germanite powder 2-4, sodium stearate 1-2; B, agalmatolite, diopside, opoka are calcined to 4-8h at 540-580 ℃, cooling, pulverize, cross 300-400 mesh sieve, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1000-1500rpm speed lapping 15-20min, dries; Then add appropriate water making beating to make the slurries that concentration is 40-50%, then the hydrochloric acid soln that adds concentration and be 15-20% boils 1-2h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 15-20%, be adjusted to neutrality, add again the trolamine of 1-2%, the sylvic acid polyoxyethylene ester of the sodium laurylsulfate of the polyacrylic acid of 2-3%, 3-5%, 2-3% and the polyoxyethylene glycol of 3-4%, heating in water bath is to 70-80 ℃, below 2000-3000rpm speed lapping slurry particle diameter to 10 μ m, be then spray dried to powder.
A preparation method for resistance to electric trace polyethylene sheath material for supply lead, comprises the following steps:
(1) Banbury mixer is heated to 65-75 ℃, add high density polyethylene(HDPE), linear low density polyethylene, nano-silicon lime stone, precipitated silica, methyl phenyl silicone oil, ferrocene, magnesium hydroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, mixing 5-8min; When temperature rises to 80-90 ℃, add terpolymer EP rubber, trifluompropyl methyl polysiloxane, phosphoguanidine, borax, nano imvite, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, compounded mix, mixing 4-6min, add again all the other raw materials, mixing 2-3min, is cooled to 45 ℃ with bottom discharge;
(2) above-mentioned mixed material is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 150-180 ℃, and screw speed is 150-200r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
Beneficial effect of the present invention:
Sheath material of the present invention has excellent resistance to electric trace, can solve the galvanic corrosion phenomenon on supply lead surface in extra-high pressure, and there is good physical and mechanical properties, electrical insulation capability, environmental stress crack resistance, ageing resistance and thermotolerance, durable in use, the medium-term and long-term operation of severe environment that can be out of doors and not breaking down, good flame retardation effect simultaneously, burns low cigarette and discharges without obnoxious flavour, free from environmental pollution, safety and environmental protection.
Embodiment
Resistance to electric trace polyethylene sheath material for a kind of supply lead, raw material by following weight (kg) is made: high density polyethylene(HDPE) 60, linear low density polyethylene 40, terpolymer EP rubber 20, trifluompropyl methyl polysiloxane 4, nano-silicon lime stone 15, precipitated silica 20, nano imvite 8, ferrocene 5, magnesium hydroxide 12, methyl phenyl silicone oil 10, dibutyl tin laurate 2, phosphoguanidine 4, borax 8, vinyl three ('beta '-methoxy oxyethyl group) silane 1.5, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5, processing aid PPA2, Dimethoxyethyl phthalate 8, solid paraffin 4, antioxidant 1076 1, compounded mix 5,
The preparation method of described compounded mix is as follows: a. takes off the raw material of column weight amount (kg): agalmatolite 10, diopside 8, opoka 6, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1.5, calcium lignin sulphonate 2, water glass 4, electric rock ballast 5, Nano diamond 4, germanite powder 3, sodium stearate 1.5; B, agalmatolite, diopside, opoka are calcined to 6h at 560 ℃, cooling, pulverize, cross 400 mesh sieves, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1000rpm speed lapping 18min, dries; Then adding the making beating of appropriate water to make concentration is 45% slurries, then add concentration and be 18% hydrochloric acid soln and boil 1h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 20%, be adjusted to neutrality, add again 1% trolamine, 2% polyacrylic acid, 4% sodium laurylsulfate, 2% sylvic acid polyoxyethylene ester and 3% polyoxyethylene glycol, heating in water bath to 75 ℃, below 3000rpm speed lapping slurry particle diameter to 10 μ m, is then spray dried to powder.
A preparation method for resistance to electric trace polyethylene sheath material for supply lead, comprises the following steps:
(1) Banbury mixer is heated to 65-75 ℃, add high density polyethylene(HDPE), linear low density polyethylene, nano-silicon lime stone, precipitated silica, methyl phenyl silicone oil, ferrocene, magnesium hydroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, mixing 6min; When temperature rises to 80-90 ℃, add terpolymer EP rubber, trifluompropyl methyl polysiloxane, phosphoguanidine, borax, nano imvite, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, compounded mix, mixing 4min, add again all the other raw materials, mixing 2min, is cooled to 45 ℃ with bottom discharge;
(2) above-mentioned mixed material is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 150-180 ℃, and screw speed is 180r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
The performance test results of the sheath material making is as follows:
Figure BDA0000384165110000031

Claims (2)

1. a resistance to electric trace polyethylene sheath material for supply lead, it is characterized in that, raw material by following weight part is made: high density polyethylene(HDPE) 50-70, linear low density polyethylene 30-40, terpolymer EP rubber 15-25, trifluompropyl methyl polysiloxane 3-6, nano-silicon lime stone 10-15, precipitated silica 20-25, nano imvite 5-10, ferrocene 4-6, magnesium hydroxide 10-15, methyl phenyl silicone oil 8-12, dibutyl tin laurate 2-3, phosphoguanidine 3-5, borax 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 0.5-1, processing aid PPA 2-4, Dimethoxyethyl phthalate 5-10, solid paraffin 3-5, antioxidant 1076 1-2, compounded mix 4-6,
The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: agalmatolite 8-12, diopside 5-10, opoka 4-8, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, calcium lignin sulphonate 2-3, water glass 3-5, electric rock ballast 4-7, Nano diamond 3-6, germanite powder 2-4, sodium stearate 1-2; B, agalmatolite, diopside, opoka are calcined to 4-8h at 540-580 ℃, cooling, pulverize, cross 300-400 mesh sieve, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1000-1500rpm speed lapping 15-20min, dries; Then add appropriate water making beating to make the slurries that concentration is 40-50%, then the hydrochloric acid soln that adds concentration and be 15-20% boils 1-2h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 15-20%, be adjusted to neutrality, add again the trolamine of 1-2%, the sylvic acid polyoxyethylene ester of the sodium laurylsulfate of the polyacrylic acid of 2-3%, 3-5%, 2-3% and the polyoxyethylene glycol of 3-4%, heating in water bath is to 70-80 ℃, below 2000-3000rpm speed lapping slurry particle diameter to 10 μ m, be then spray dried to powder.
2. the preparation method of resistance to electric trace polyethylene sheath material for supply lead as claimed in claim 1, is characterized in that comprising the following steps:
(1) Banbury mixer is heated to 65-75 ℃, add high density polyethylene(HDPE), linear low density polyethylene, nano-silicon lime stone, precipitated silica, methyl phenyl silicone oil, ferrocene, magnesium hydroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, mixing 5-8min; When temperature rises to 80-90 ℃, add terpolymer EP rubber, trifluompropyl methyl polysiloxane, phosphoguanidine, borax, nano imvite, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, compounded mix, mixing 4-6min, add again all the other raw materials, mixing 2-3min, is cooled to 45 ℃ with bottom discharge;
(2) above-mentioned mixed material is dropped into twin screw extruder and carry out extruding pelletization, the working temperature of twin screw extruder is 150-180 ℃, and screw speed is 150-200r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
CN201310430782.8A 2013-09-18 2013-09-18 Tracking-resistant polyethylene sheath material for power wire and preparation method thereof Pending CN103540000A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104046015A (en) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 Heat-resistant nylon 46 composite for automobile engine air inlet pipe and preparation method thereof
CN104098821A (en) * 2014-06-18 2014-10-15 安徽省振云塑胶有限公司 Outdoor feedwater anti-ageing PE tubular product and preparation method thereof
CN104356480A (en) * 2014-11-06 2015-02-18 苏州亨利通信材料有限公司 Anti-tracking sheathing material for ADSS (all dielectric self-supporting) optical cables
CN105440512A (en) * 2015-12-11 2016-03-30 中冠电缆有限公司 Modified illite for fluoroplastic wire and cable insulation sheath material and preparation method thereof
CN105504576A (en) * 2015-12-11 2016-04-20 中冠电缆有限公司 Modified pyrophyllite for high-weather-resistance polyethylene cable material and preparation method thereof
CN107325391A (en) * 2017-08-29 2017-11-07 阜南县鲲鹏塑业科技有限公司 A kind of ageing-resistant modified poly ethylene plastics
CN109627537A (en) * 2017-10-09 2019-04-16 中广核三角洲（江苏）塑化有限公司 Preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant
CN109627538A (en) * 2017-10-09 2019-04-16 中广核三角洲（江苏）塑化有限公司 The resistance to electric track resistant jacket material of All Dielectric Self-Supporting Aerial Optical Fiber Cable creep resistant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101891914A (en) * 2010-07-29 2010-11-24 山东科虹线缆有限公司 Composite type high-conductivity polymer material and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101891914A (en) * 2010-07-29 2010-11-24 山东科虹线缆有限公司 Composite type high-conductivity polymer material and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104046015A (en) * 2014-05-19 2014-09-17 安徽安缆模具有限公司 Heat-resistant nylon 46 composite for automobile engine air inlet pipe and preparation method thereof
CN104098821A (en) * 2014-06-18 2014-10-15 安徽省振云塑胶有限公司 Outdoor feedwater anti-ageing PE tubular product and preparation method thereof
CN104356480A (en) * 2014-11-06 2015-02-18 苏州亨利通信材料有限公司 Anti-tracking sheathing material for ADSS (all dielectric self-supporting) optical cables
CN105440512A (en) * 2015-12-11 2016-03-30 中冠电缆有限公司 Modified illite for fluoroplastic wire and cable insulation sheath material and preparation method thereof
CN105504576A (en) * 2015-12-11 2016-04-20 中冠电缆有限公司 Modified pyrophyllite for high-weather-resistance polyethylene cable material and preparation method thereof
CN107325391A (en) * 2017-08-29 2017-11-07 阜南县鲲鹏塑业科技有限公司 A kind of ageing-resistant modified poly ethylene plastics
CN109627537A (en) * 2017-10-09 2019-04-16 中广核三角洲（江苏）塑化有限公司 Preparation process for the resistance to electric track resistant jacket material of aerial optical cable creep resistant
CN109627538A (en) * 2017-10-09 2019-04-16 中广核三角洲（江苏）塑化有限公司 The resistance to electric track resistant jacket material of All Dielectric Self-Supporting Aerial Optical Fiber Cable creep resistant

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