CN104327363A - Electric wire insulating material applicable to hydrothermal environment - Google Patents

Electric wire insulating material applicable to hydrothermal environment Download PDF

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Publication number
CN104327363A
CN104327363A CN201410696414.2A CN201410696414A CN104327363A CN 104327363 A CN104327363 A CN 104327363A CN 201410696414 A CN201410696414 A CN 201410696414A CN 104327363 A CN104327363 A CN 104327363A
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CN
China
Prior art keywords
powder
bisphenol
epoxy resin
type epoxy
kaolin
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Granted
Application number
CN201410696414.2A
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Chinese (zh)
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CN104327363B (en
Inventor
刘斐
刘宜之
刘幸幸
苏永义
隋树法
解磊
李慧
王海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Linshi Wire Co Ltd
Original Assignee
JUNAN POWER SUPPLY CO Ltd
State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Application filed by JUNAN POWER SUPPLY CO Ltd, State Grid Corp of China SGCC, Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical JUNAN POWER SUPPLY CO Ltd
Priority to CN201410696414.2A priority Critical patent/CN104327363B/en
Publication of CN104327363A publication Critical patent/CN104327363A/en
Application granted granted Critical
Publication of CN104327363B publication Critical patent/CN104327363B/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention belongs to the field of electric materials and discloses an electric wire insulating material applicable to a hydrothermal environment. The electric wire insulating material is prepared from the following raw materials: polyethylene, polyvinyl chloride, bisphenol A epoxy resin, bisphenol F epoxy resin, gamma-aminopropyltriethoxysilane, epoxy aliphatic acid octyl ester, attapulgite, polydimethylsiloxane, dicyclopentadiene, decabromodiphenyl ethane, graphite powder, aluminum nitride powder, silicon carbide powder, kaolin, sodium alginate and mica powder. The insulating material disclosed by the invention can be used for a long time in the hydrothermal environment and kept to be relatively good in tensile strength, elongation at break and insulation performance.

Description

A kind of wire-insulating compound that can be used for hygrothermal environment
 
Technical field
The invention belongs to electric power Material Field, be specifically related to a kind of wire-insulating compound that can be used for hygrothermal environment.
 
Background technology
Electric wire normally forms by several or several groups of wires (often organizing at least two) are stranded around center, the similar rope of its shape, simultaneously outer cover height insulation layer.Electric wire has power cord, controls electric wire, compensating wire, shielding wire, high temperature electric wire, computer electric wire, signal wires, coaxial cord, fire-resistant wires, wire for ship, mining electric wire, aluminum alloy wire etc.They are all made up of sub-thread or stranded conductor and insulation layer, are used for junction circuit, electrical equipment etc.
Wire insulation is outer mainly for the protection of inner conductor, and mostly adopt polyvinyl chloride (PVC) electric wire material at present, it is based on polyvinyl chloride resin, adds many components mixing material of various Synergist S-421 95.Because its mechanical property is superior, weathering resistance is good, have excellent electrical insulation properties, handling ease and the advantage such as with low cost, be therefore widely used in insulation and the jacket material of electric wire.But the still existing defects of electric wire materials in the market, some moisture effects are poor, easily leak electricity, some antimildew and antibacterial effects are bad, can not be applied in hygrothermal environment for a long time, and people are when using electric wire, be very easy to fungal infection, affect the health of people.
 
Summary of the invention
The object of the invention is the deficiency solving prior art existence, provide a kind of wire-insulating compound that can be used for hygrothermal environment; Electric wire materials prepared by the present invention not only possesses good insulating property and mechanical property, also possesses certain mildew resistant moistureproof anti-microbial property, can be applied in hygrothermal environment for a long time.
In order to realize foregoing invention object, the present invention is realized by case by following technical side:
Can be used for a wire-insulating compound for hygrothermal environment, it is prepared from by the raw material of following weight parts:
Polyethylene 80-90 part, polyvinyl chloride 30-40 part, bisphenol A type epoxy resin 13-15 part, bisphenol f type epoxy resin 13-15 part, γ-aminopropyl triethoxysilane 10-12 part, octyl ester of epoxy fatty acid 8-10 part, attapulgite 6-7 part, polydimethylsiloxane 5-6 part, dicyclopentadiene 5-6 part, TDE 4-5 part, Graphite Powder 99 3-4 part, aluminum nitride powder 2-3 part, carborundum powder 1-2 part, kaolin 1-2 part, sodium alginate 1-2 part, mica stone flour 1-2 part;
Described attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and the size controlling of mica stone flour is more than 200 orders;
The invention also discloses the preparation method of above-mentioned Insulation Material, comprise the steps:
Step 1): take above-mentioned each raw material for standby according to weight part;
Step 2): by attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and mica stone flour is put in stirrer, stirs, then put in retort, the temperature of retort controls at about 80 DEG C, and insulation reaction 10min, obtains properties-correcting agent;
Step 3) is by step 2) properties-correcting agent that obtains, polyethylene, polyvinyl chloride, bisphenol A type epoxy resin, bisphenol f type epoxy resin, γ-aminopropyl triethoxysilane, octyl ester of epoxy fatty acid, polydimethylsiloxane, dicyclopentadiene and TDE are put in whizzer successively, 1000 turns/min centrifugal mixer 5 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 300 DEG C.
Wire of the present invention can select conventional wire as required, such as copper conductor or aluminium conductor etc.
The beneficial effect that the present invention obtains mainly comprises:
Insulation Material of the present invention possesses good insulating property and mechanical property, also possesses certain mildew resistant moistureproof anti-microbial property, can be applied in hygrothermal environment for a long time, the health of people can not be affected, tensile strength and elongation at break change little, and long service life, possesses good safety performance; The present invention, by adding multiple auxiliary material auxiliary agent, improves the defect of some materials itself, improves moisture-proof, antibiotic performance and mechanical property; Preparation technology of the present invention is simple, and material combination is reasonable, with low cost, is applicable to large-scale industrial production.
 
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, carry out clearly, intactly describing to the present invention, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
Can be used for a wire-insulating compound for hygrothermal environment, it is prepared from by the raw material of following weight parts:
Polyethylene 80 parts, polyvinyl chloride 30 parts, bisphenol A type epoxy resin 13 parts, bisphenol f type epoxy resin 13 parts, γ-aminopropyl triethoxysilane 10 parts, octyl ester of epoxy fatty acid 8 parts, attapulgite 6 parts, polydimethylsiloxane 5 parts, dicyclopentadiene 5 parts, TDE 4 parts, Graphite Powder 99 3 parts, aluminum nitride powder 2 parts, carborundum powder 1 part, kaolin 1 part, sodium alginate 1 part, mica stone flour 1 part;
Described attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and the size controlling of mica stone flour is at 200 orders;
The preparation method of above-mentioned Insulation Material comprises the steps:
Step 1): take above-mentioned each raw material for standby according to weight part;
Step 2): by attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and mica stone flour is put in stirrer, stirs, then put in retort, the temperature of retort controls at 80 DEG C, and insulation reaction 10min, obtains properties-correcting agent;
Step 3) is by step 2) properties-correcting agent that obtains, polyethylene, polyvinyl chloride, bisphenol A type epoxy resin, bisphenol f type epoxy resin, γ-aminopropyl triethoxysilane, octyl ester of epoxy fatty acid, polydimethylsiloxane, dicyclopentadiene and TDE are put in whizzer successively, 1000 turns/min centrifugal mixer 5 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 300 DEG C.
 
Embodiment 2
Can be used for a wire-insulating compound for hygrothermal environment, it is prepared from by the raw material of following weight parts:
Polyethylene 90 parts, polyvinyl chloride 40 parts, bisphenol A type epoxy resin 15 parts, bisphenol f type epoxy resin 15 parts, γ-aminopropyl triethoxysilane 12 parts, octyl ester of epoxy fatty acid 10 parts, attapulgite 7 parts, polydimethylsiloxane 6 parts, dicyclopentadiene 6 parts, TDE 5 parts, Graphite Powder 99 4 parts, aluminum nitride powder 3 parts, carborundum powder 2 parts, kaolin 2 parts, sodium alginate 2 parts, mica stone flour 2 parts;
Described attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and the size controlling of mica stone flour is at 300 orders;
The preparation method of above-mentioned Insulation Material comprises the steps:
Step 1): take above-mentioned each raw material for standby according to weight part;
Step 2): by attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and mica stone flour is put in stirrer, stirs, then put in retort, the temperature of retort controls at 80 DEG C, and insulation reaction 10min, obtains properties-correcting agent;
Step 3) is by step 2) properties-correcting agent that obtains, polyethylene, polyvinyl chloride, bisphenol A type epoxy resin, bisphenol f type epoxy resin, γ-aminopropyl triethoxysilane, octyl ester of epoxy fatty acid, polydimethylsiloxane, dicyclopentadiene and TDE are put in whizzer successively, 1000 turns/min centrifugal mixer 5 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 300 DEG C.
 
Embodiment 3
The performance test of wire-insulating compound prepared by the present invention:
The various aspects of performance of cable insulating material prepared by embodiment 1 and embodiment 2 is better, the visible table 1 of concrete detected result, and wherein Insulation Material layer thickness is 2mm:
Table 1
Performance index Testing standard Desired value Embodiment 1 Embodiment 2
Tensile strength Mpa GB/T1040.3-2006 12.5 18.9 19.3
Elongation at break % GB/T1040.3-2006 400 589 583
Resisting environmental stress and cracking F0 (h) GB/T2951.41-2008 500 571 577
Oxygen index GB/T2406-1993 26 29 30
Antifungal is tested GB/T2403-1999 0 grade 0 grade 0 grade
Volume specific resistance × 10-15(Ω cm) GB/T 3048.2-2007 2.0 2.51 2.49
At the present invention also have detected 100 DEG C, 240h baking oven hydrothermal aging test (with reference to GB/T2951.12-2008), the tensile strength of cable insulating material prepared by embodiment 1 and embodiment 2 reduces 3.5% and 4.0% respectively; Elongation at break reduces 10.2% and 10.5% respectively; Insulating property and oxygen index do not have considerable change; Complete conformance with standard.
After testing, each parameter all meets index to wire-insulating compound prepared by the embodiment of the present invention 1 and embodiment 2, can use for a long time, and keep good tensile strength, elongation at break and insulating property under hygrothermal environment; Insulation Material of the present invention can mould fungus inhibition propagation effectively, avoids people to contact mould and unhealthful in use.
 
More than in conjunction with concrete embodiment, invention has been described, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not limiting the scope of the invention.Those skilled in the art can make various variants and modifications according to spirit of the present invention and principle to the present invention, and these variants and modifications also within the scope of the invention.

Claims (3)

1. can be used for a wire-insulating compound for hygrothermal environment, it is characterized in that, described Insulation Material is prepared from by following raw material, polyethylene, polyvinyl chloride, bisphenol A type epoxy resin, bisphenol f type epoxy resin, γ-aminopropyl triethoxysilane, octyl ester of epoxy fatty acid, attapulgite, polydimethylsiloxane, dicyclopentadiene, TDE, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate and mica stone flour.
2. Insulation Material according to claim 1, is characterized in that, described Insulation Material is prepared from by the raw material of following weight parts:
Polyethylene 80-90 part, polyvinyl chloride 30-40 part, bisphenol A type epoxy resin 13-15 part, bisphenol f type epoxy resin 13-15 part, γ-aminopropyl triethoxysilane 10-12 part, octyl ester of epoxy fatty acid 8-10 part, attapulgite 6-7 part, polydimethylsiloxane 5-6 part, dicyclopentadiene 5-6 part, TDE 4-5 part, Graphite Powder 99 3-4 part, aluminum nitride powder 2-3 part, carborundum powder 1-2 part, kaolin 1-2 part, sodium alginate 1-2 part, mica stone flour 1-2 part;
Described attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and the particle diameter of mica stone flour all controls more than 200 orders.
3. Insulation Material according to claim 2, is characterized in that, the preparation method of described Insulation Material comprises the steps:
Step 1): take each raw material for standby according to weight part;
Step 2): by attapulgite, Graphite Powder 99, aluminum nitride powder, carborundum powder, kaolin, sodium alginate, and mica stone flour is put in stirrer, stirs, then put in retort, the temperature of retort controls at about 80 DEG C, and insulation reaction 10min, obtains properties-correcting agent;
Step 3) is by step 2) properties-correcting agent that obtains, polyethylene, polyvinyl chloride, bisphenol A type epoxy resin, bisphenol f type epoxy resin, γ-aminopropyl triethoxysilane, octyl ester of epoxy fatty acid, polydimethylsiloxane, dicyclopentadiene and TDE are put in whizzer successively, 1000 turns/min centrifugal mixer 5 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, be then expressed in injection moulding machine, injection moulding and get final product at 300 DEG C.
CN201410696414.2A 2014-11-27 2014-11-27 A kind of wire-insulating compound that can be used for hygrothermal environment Expired - Fee Related CN104327363B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105924845A (en) * 2016-06-13 2016-09-07 深圳市红岩电控设备有限公司 Efficient and energy-saving environment-friendly graphene power distribution cabinet
CN107936342A (en) * 2017-11-30 2018-04-20 钟永松 It is a kind of that there is the CABLE MATERIALS of antimildew and antibacterial
CN109233097A (en) * 2018-08-21 2019-01-18 浙江亚格电子科技有限公司 Track shields door pillar wrapper sheet component

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0797489A (en) * 1993-09-29 1995-04-11 Sumitomo Bakelite Co Ltd Flame-retardant resin composition
CN103275415A (en) * 2013-05-13 2013-09-04 浙江飞龙管业有限公司 Special Half-type communication cable protection sleeve for seafloor
CN104017333A (en) * 2014-06-18 2014-09-03 国家电网公司 Cold-resistant and high-temperature resistant cable material and preparation method thereof
CN104151746A (en) * 2014-08-12 2014-11-19 国家电网公司 environment-friendly fire-retardant insulation material and application thereof in electric cables

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0797489A (en) * 1993-09-29 1995-04-11 Sumitomo Bakelite Co Ltd Flame-retardant resin composition
CN103275415A (en) * 2013-05-13 2013-09-04 浙江飞龙管业有限公司 Special Half-type communication cable protection sleeve for seafloor
CN104017333A (en) * 2014-06-18 2014-09-03 国家电网公司 Cold-resistant and high-temperature resistant cable material and preparation method thereof
CN104151746A (en) * 2014-08-12 2014-11-19 国家电网公司 environment-friendly fire-retardant insulation material and application thereof in electric cables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105924845A (en) * 2016-06-13 2016-09-07 深圳市红岩电控设备有限公司 Efficient and energy-saving environment-friendly graphene power distribution cabinet
CN107936342A (en) * 2017-11-30 2018-04-20 钟永松 It is a kind of that there is the CABLE MATERIALS of antimildew and antibacterial
CN109233097A (en) * 2018-08-21 2019-01-18 浙江亚格电子科技有限公司 Track shields door pillar wrapper sheet component

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Inventor after: Lin Kaijun

Inventor before: Liu Fei

Inventor before: Liu Yizhi

Inventor before: Liu Xingxing

Inventor before: Su Yongyi

Inventor before: Sui Shufa

Inventor before: Jie Lei

Inventor before: Li Hui

Inventor before: Wang Hai

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Effective date of registration: 20170524

Address after: 510000 Guangdong Province, Guangzhou Baiyun District and the town of Huang Bang Ling West Road No. 9 two

Patentee after: Guangzhou Shuguang wire & Cable Co., Ltd.

Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee before: Linyi Electric Power Company of Guo Wang Shandong Province Utilities Electric Co.

Patentee before: State Grid Corporation of China

Co-patentee before: Junan Power Supply Co.,Ltd.

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Effective date of registration: 20190724

Address after: 510000 Guangdong Province, Guangzhou Baiyun District and the town of Huang Bang Ling West Road No. 9 two

Patentee after: Guangzhou Linshi Wire Co., Ltd.

Address before: 510000 Guangdong Province, Guangzhou Baiyun District and the town of Huang Bang Ling West Road No. 9 two

Patentee before: Guangzhou Shuguang wire & Cable Co., Ltd.

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Granted publication date: 20160921

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CF01 Termination of patent right due to non-payment of annual fee