CN103540008A - Environmental stress crack-resistant polyethylene sheath material for power wire and preparation method thereof - Google Patents

Environmental stress crack-resistant polyethylene sheath material for power wire and preparation method thereof Download PDF

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Publication number
CN103540008A
CN103540008A CN201310430709.0A CN201310430709A CN103540008A CN 103540008 A CN103540008 A CN 103540008A CN 201310430709 A CN201310430709 A CN 201310430709A CN 103540008 A CN103540008 A CN 103540008A
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parts
sheath material
resistance
environmental stress
preparation
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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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    • 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
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • 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
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Multicomponent Fibers (AREA)

Abstract

The invention discloses an environmental stress crack-resistant polyethylene sheath material for a power wire and a preparation method thereof. The environmental stress crack-resistant polyethylene sheath material is prepared from the following substances in parts by weight: 80-100 parts of linear low-density polyethylene, 15-20 parts of polystyrene resin, 10-15 parts of polyphthalamide, 4-8 parts of dimethyl silicon oil, 2-3 parts of dibasic lead phosphate, 1-2 parts of calcium stearate, 1-2 parts of zinc stearate, 0.5-1 part of antioxidant 1010, 1-2 parts of antioxidant 168, 2-4 parts of ethylene distearate amide, 4-6 parts of chlorinated paraffin and 3-5 parts of pine tar. The sheath material has the advantages of excellent environmental stress crack resistance, high-low temperature resistance, acid-base resistance, salt mist resistance, ozone aging resistance, ultraviolet radiation resistance, abrasive resistance and tensile strength, is capable of working normally in a working environment at a temperature ranging from 60 DEG C below zero to 105 DEG C, is non-deformable and non-cracking in long-time use, is safe and reliable and is applicable to internal and external sheathes of overhead power wires in the outdoor.

Description

Resisting environmental stress and cracking 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 resisting environmental stress and cracking 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 the features such as good heat-resistant aging, tensile strength, elongation at break, is applicable to supply lead sheath, and copper core is had to enough provide protections.But existing outdoor aerial polyethylene supply lead is in use easily out of shape by External Force Acting, and easily ftracture under contact liq solvent and steam condition thereof, limited its range of application.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, resisting environmental stress and cracking 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:
A kind of supply lead resisting environmental stress and cracking polyethylene sheath material, raw material by following weight part is made: linear low density polyethylene 80-100, polystyrene resin 15-20, poly-terephthaloyl Ursol D 10-15, dimethyl silicone oil 4-8, dibasic lead phosphite 2-3, calcium stearate 1-2, Zinic stearas 1-2, antioxidant 1010 0.5-1, irgasfos 168 1-2, the two hard esteramides 2-4 of ethylene group, clorafin 4-6, Stockholm tar 3-5, magnesium hydroxide 10-15, hydration zinc borate 5-10, UV light absorber UV-3271-2, anilinomethyl triethoxysilane 3-6, high wear-resistant carbon black 15-25, silica powder 10-15, nanometer potassium felspar sand 5-10, compounded mix 3-6,
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 resisting environmental stress and cracking polyethylene sheath material for supply lead, comprises the following steps:
(1) Banbury mixer is heated to 55-65 ℃, adds linear low density polyethylene, dimethyl silicone oil, dibasic lead phosphite, clorafin, high wear-resistant carbon black, silica powder, nanometer potassium felspar sand, mixing 4-8min; When temperature rises to 85-95 ℃, add polystyrene resin, poly-terephthaloyl Ursol D, calcium stearate, Zinic stearas, the two hard esteramides of ethylene group, magnesium hydroxide, hydration zinc borate, compounded mix, mixing 3-6min, add again all the other raw materials, mixing 2-4min, 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 155-175 ℃, and screw speed is 200-250r/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 good environmental stress crack resistance, high-low temperature resistant, acid and alkali-resistance, salt spray resistance, resistance to ozone ageing, ultra-violet radiation resisting, wear resistance and tensile strength, in-60 ℃ of-105 ℃ of Working environments, can work, life-time service, indeformable, do not ftracture, safe and reliable, be applicable to oversheath in supply lead for outdoor aerial.
Embodiment
A kind of supply lead resisting environmental stress and cracking polyethylene sheath material, raw material by following weight (kg) is made: linear low density polyethylene 80, polystyrene resin 20, poly-terephthaloyl Ursol D 15, dimethyl silicone oil 6, dibasic lead phosphite 2, calcium stearate 1, Zinic stearas 1, antioxidant 1010 0.8, irgasfos 168 1, the two hard esteramides 3 of ethylene group, clorafin 5, Stockholm tar 4, magnesium hydroxide 12, hydration zinc borate 8, UV light absorber UV-3271, anilinomethyl triethoxysilane 4, high wear-resistant carbon black 20, silica powder 12, nanometer potassium felspar sand 8, compounded mix 4,
The preparation method of described compounded mix is as follows: a. takes off the raw material of column weight amount (kg): agalmatolite 8, diopside 10, 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 300 mesh sieves, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1500rpm speed lapping 20min, dries; Then adding the making beating of appropriate water to make concentration is 50% slurries, then add concentration and be 15% hydrochloric acid soln and boil 2h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 15%, be adjusted to neutrality, add again 2% trolamine, 2% polyacrylic acid, 4% sodium laurylsulfate, 2% sylvic acid polyoxyethylene ester and 3% polyoxyethylene glycol, heating in water bath to 80 ℃, below 2500rpm speed lapping slurry particle diameter to 10 μ m, is then spray dried to powder.
A preparation method for resisting environmental stress and cracking polyethylene sheath material for supply lead, comprises the following steps:
(1) Banbury mixer is heated to 55-65 ℃, adds linear low density polyethylene, dimethyl silicone oil, dibasic lead phosphite, clorafin, high wear-resistant carbon black, silica powder, nanometer potassium felspar sand, mixing 6min; When temperature rises to 85-95 ℃, add polystyrene resin, poly-terephthaloyl Ursol D, calcium stearate, Zinic stearas, the two hard esteramides of ethylene group, magnesium hydroxide, hydration zinc borate, compounded mix, mixing 4min, add again all the other raw materials, mixing 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 155-175 ℃, and screw speed is 250r/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 BDA0000384355990000031

Claims (2)

1. a supply lead resisting environmental stress and cracking polyethylene sheath material, it is characterized in that, raw material by following weight part is made: linear low density polyethylene 80-100, polystyrene resin 15-20, poly-terephthaloyl Ursol D 10-15, dimethyl silicone oil 4-8, dibasic lead phosphite 2-3, calcium stearate 1-2, Zinic stearas 1-2, antioxidant 1010 0.5-1, irgasfos 168 1-2, the two hard esteramides 2-4 of ethylene group, clorafin 4-6, Stockholm tar 3-5, magnesium hydroxide 10-15, hydration zinc borate 5-10, UV light absorber UV-327 1-2, anilinomethyl triethoxysilane 3-6, high wear-resistant carbon black 15-25, silica powder 10-15, nanometer potassium felspar sand 5-10, compounded mix 3-6,
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 resisting environmental stress and cracking 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 55-65 ℃, adds linear low density polyethylene, dimethyl silicone oil, dibasic lead phosphite, clorafin, high wear-resistant carbon black, silica powder, nanometer potassium felspar sand, mixing 4-8min; When temperature rises to 85-95 ℃, add polystyrene resin, poly-terephthaloyl Ursol D, calcium stearate, Zinic stearas, the two hard esteramides of ethylene group, magnesium hydroxide, hydration zinc borate, compounded mix, mixing 3-6min, add again all the other raw materials, mixing 2-4min, 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 155-175 ℃, and screw speed is 200-250r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.
CN201310430709.0A 2013-09-18 2013-09-18 Environmental stress crack-resistant polyethylene sheath material for power wire and preparation method thereof Pending CN103540008A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104130472A (en) * 2014-06-26 2014-11-05 合肥和安机械制造有限公司 Filler specialized for tear-resistant and low temperature-resistant high-pressure rubber hose, and preparation method thereof
CN104592733A (en) * 2015-02-06 2015-05-06 苏州欢颜电气有限公司 Insulation material for electrical engineering
CN105949755A (en) * 2016-05-18 2016-09-21 东莞市沃顿橡塑新材料有限公司 High-wear-resistance charge roller and processing technique thereof
CN116904063A (en) * 2023-07-07 2023-10-20 湖北龙腾电子科技股份有限公司 Preparation and application methods of UV-cured water-based etching-resistant ink for PCB (printed circuit board) lithography

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878264A (en) * 2007-09-25 2010-11-03 陶氏环球技术公司 Styrenic polymers as blend components to control adhesion between olefinic substrates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878264A (en) * 2007-09-25 2010-11-03 陶氏环球技术公司 Styrenic polymers as blend components to control adhesion between olefinic substrates

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104130472A (en) * 2014-06-26 2014-11-05 合肥和安机械制造有限公司 Filler specialized for tear-resistant and low temperature-resistant high-pressure rubber hose, and preparation method thereof
CN104130472B (en) * 2014-06-26 2016-01-27 合肥和安机械制造有限公司 A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof
CN104592733A (en) * 2015-02-06 2015-05-06 苏州欢颜电气有限公司 Insulation material for electrical engineering
CN105949755A (en) * 2016-05-18 2016-09-21 东莞市沃顿橡塑新材料有限公司 High-wear-resistance charge roller and processing technique thereof
CN105949755B (en) * 2016-05-18 2018-12-25 东莞市沃顿橡塑新材料有限公司 A kind of high abrasion charging roller and its processing technology
CN116904063A (en) * 2023-07-07 2023-10-20 湖北龙腾电子科技股份有限公司 Preparation and application methods of UV-cured water-based etching-resistant ink for PCB (printed circuit board) lithography

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