CN107057318A - LSZH electrical insulating material - Google Patents
LSZH electrical insulating material Download PDFInfo
- Publication number
- CN107057318A CN107057318A CN201710012351.8A CN201710012351A CN107057318A CN 107057318 A CN107057318 A CN 107057318A CN 201710012351 A CN201710012351 A CN 201710012351A CN 107057318 A CN107057318 A CN 107057318A
- Authority
- CN
- China
- Prior art keywords
- lszh
- electrical insulating
- insulating material
- ethylene
- ptfe micropowder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- H01B3/42—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 polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/426—Polycarbonates
-
- 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
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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)
- Organic Insulating Materials (AREA)
Abstract
The present invention relates to a kind of LSZH electrical insulating material, include according to the raw material of percentage by weight：Polycarbonate resin 35 ~ 50%, glass fibre 6 ~ 15%, ethylene acrylic elastomers 5 ~ 13%, ethylene-vinyl acetate copolymer 5 ~ 8%, cumyl peroxide 2 ~ 5%, Tissuemat E 3 ~ 6%, tricresyl phosphate 3 ~ 5%, polyhedral silsesquioxane 6 ~ 10%, nano-sized molybdenum oxide 2 ~ 5%, calcined kaolin 2 ~ 5%, powdered whiting 4 ~ 8%, ptfe micropowder 1 ~ 2%.Not only there is nontoxic, low cigarette, the characteristic of high fire-retardance, and with stronger mechanical property, be difficult to be torn disconnected, the protective capability to electric wire is improved.
Description
Technical field
The invention belongs to electrical insulating material field, specifically related to a kind of LSZH electrical insulating material.
Background technology
Definition by the regulation insulating materials of standard GB/T 2900.5 is：" it is used for making device in the material electrically insulated
Material ".The material that can namely prevent electric current from passing through.Its resistivity is very high, generally in the range of 109~1022 Ω m.
Such as in motor, turn-to-turn is isolated and kept apart with the stator core of ground connection by the insulating materials around conductor, to ensure motor
Safe operation.Requirement of the different electrical equipments to insulating materials performance emphasizes particularly on different fields.Electrical insulating material does not require nothing more than material
Material in itself have higher insulaion resistance and compressive resistance, while to fire resistance, hot property, mechanical property, chemical-resistant resistance,
The performance such as weatherability change, corrosion-resistant also has higher requirements, especially fire resistance, because insulating materials is in itself with flammable
Property, crosslinking and the cumyl peroxide heat source of sulfurization or burning things which may cause a fire disaster are particularly played in insulating materials or even has blast to endanger
Danger.Therefore the fire resistance of electrical insulating material is particularly important.In order to reach fire-retardant purpose, conventional method is typically using addition
Halogen containing polymers or halogen containing flame-retardant, once occurring fire, can produce substantial amounts of smog and toxic gas, cause secondary disaster,
And halogen raw material can reduce the dielectric properties of insulating materials.Chinese patent《A kind of LSZH electrical insulating material》（Application
The A of publication No. CN 105585832；Data of publication of application 2016.05.18）Although disclosed LSZH electrical insulating material is free of
Halogen polymer or halogen containing flame-retardant, the performance with LSZH, but mechanical property is not very high, is pullled and easily tears section.
The content of the invention
It is an object of the present invention to provide a kind of LSZH electrical insulating material, with nontoxic, low cigarette, the characteristic of high fire-retardance,
And with stronger mechanical property, be difficult to be torn disconnected, improve the protective capability to electric wire.
In order to realize the above object the technical solution adopted by the present invention is：A kind of LSZH electrical insulating material, according to
The raw material of percentage by weight includes：Polycarbonate resin 35 ~ 50%, glass fibre 6 ~ 15%, ethylene acrylic elastomers 5 ~
13%, ethylene-vinyl acetate copolymer 5 ~ 8%, cumyl peroxide 2 ~ 5%, Tissuemat E 3 ~ 6%, tricresyl phosphate 3 ~ 5%,
Polyhedral silsesquioxane 6 ~ 10%, nano-sized molybdenum oxide 2 ~ 5%, calcined kaolin 2 ~ 5%, powdered whiting 4 ~ 8%, polytetrafluoroethyl-ne
Alkene micro mist 1 ~ 2%.
It is preferred that, described LSZH electrical insulating material includes according to the raw material of percentage by weight：Polycarbonate resin
Fat 42%, glass fibre 10%, ethylene acrylic elastomers 8%, ethylene-vinyl acetate copolymer 6%, cumyl peroxide
4%, Tissuemat E 4%, tricresyl phosphate 4%, polyhedral silsesquioxane 7%, nano-sized molybdenum oxide 3%, calcined kaolin 4%,
Powdered whiting 6%, ptfe micropowder 2%.
Further, described ptfe micropowder particle diameter is less than 5 μm.
The technical effects of the invention are that：Material of the present invention is using polycarbonate resin as base-material, and polycarbonate resin has
Odorless, nontoxic, heat resistance, lower temperature resistance, excellent impact resistance, tensile strength, bending strength, compressive strength are high；Creep properties is small,
Dimensionally stable, and electrical property and anti-flammability, can be used for a long time at -60~120 DEG C；Glass fibre also has good insulating, resistance to
Hot strong, corrosion resistance is good, high mechanical strength；Ethylene acrylic elastomers are one kind by ethene, methacrylate and sulphur
Change the terpolymer of monomer composition, with heat-resisting quantity and to safeguarding the grease resistance of lubricant, while also having well low
Temperature flexibility；Ethylene-vinyl acetate copolymer is used as modifying agent and adhesive；Tissuemat E has cold resistance, heat resistance, resistance toization
The property learned and wearability, can be translated and processing characteristics, it may have lubricant with the light of material product, and chemical property is stable, electrical
Can be good；Cumyl peroxide, makees polyvinyl resin crosslinking agent, and the polyethylene of crosslinking is used as cable insulation material, not only had
There is excellent insulating properties and processing characteristics, and its heat resistance can be improved, while improving the heat resistance and weatherability of product；Phosphoric acid
Front three phenyl ester is used as plasticizer；Nano-sized molybdenum oxide has electrochromism, suppression cigarette-anti-flammability, catalytic degradation and air-sensitive special
Property；The main of the present invention has matched polyhedral silsesquioxane (POSS), and polyhedral silsesquioxane (POSS) is that a class has spy
The organic silicon fibre retardant of color, can show excellent fire-retardant, mechanics and thermal property under extremely low addition.And according to above-mentioned
Match that obtained LSZH electrical insulating material is not only nontoxic, low cigarette, the characteristic of high fire-retardance, and with stronger mechanical property
Can, it is difficult to be torn disconnected.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1：A kind of LSZH electrical insulating material, includes according to the raw material of percentage by weight：Polycarbonate resin
Fat 42%, glass fibre 10%, ethylene acrylic elastomers 8%, ethylene-vinyl acetate copolymer 6%, cumyl peroxide
4%, Tissuemat E 4%, tricresyl phosphate 4%, polyhedral silsesquioxane 7%, nano-sized molybdenum oxide 3%, calcined kaolin 4%,
Powdered whiting 6%, ptfe micropowder 2%.
Further, described ptfe micropowder particle diameter is less than 5 μm.This ptfe micropowder not only remains
The original all premium properties of polytetrafluoroethylene (PTFE), but also with without self-coagulation, without electrostatic effect, intermiscibility be good, dispersiveness
Good, self lubricity is high, the characteristic of antifriction.
The material product obtained using said ratio, not only nontoxic, low cigarette, the characteristic of high fire-retardance, and with stronger power
Performance is learned, is difficult to be torn disconnected.
Embodiment 2：A kind of LSZH electrical insulating material, includes according to the raw material of percentage by weight：Polycarbonate resin
Fat 40%, glass fibre 9%, ethylene acrylic elastomers 9%, ethylene-vinyl acetate copolymer 7%, cumyl peroxide 4%,
Tissuemat E 4%, tricresyl phosphate 4%, polyhedral silsesquioxane 9%, nano-sized molybdenum oxide 3%, calcined kaolin 3%, heavy
Calcium carbonate 7%, ptfe micropowder 1%.
Further, described ptfe micropowder particle diameter is less than 5 μm.
The material product obtained using said ratio, not only nontoxic, low cigarette, the characteristic of high fire-retardance, and with stronger power
Performance is learned, is difficult to be torn disconnected.
Embodiment 3：A kind of LSZH electrical insulating material, includes according to the raw material of percentage by weight：Polycarbonate resin
Fat 45%, glass fibre 9%, ethylene acrylic elastomers 8%, ethylene-vinyl acetate copolymer 6%, cumyl peroxide 3%,
Tissuemat E 4%, tricresyl phosphate 4%, polyhedral silsesquioxane 7%, nano-sized molybdenum oxide 3%, calcined kaolin 3%, heavy
Calcium carbonate 6%, ptfe micropowder 2%.
Further, described ptfe micropowder particle diameter is less than 5 μm.
The material product obtained using said ratio, not only nontoxic, low cigarette, the characteristic of high fire-retardance, and with stronger power
Performance is learned, is difficult to be torn disconnected.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.
Claims (3)
1. a kind of LSZH electrical insulating material, it is characterised in that include according to the raw material of percentage by weight：Polycarbonate resin
Fat 35 ~ 50%, glass fibre 6 ~ 15%, ethylene acrylic elastomers 5 ~ 13%, ethylene-vinyl acetate copolymer 5 ~ 8%, peroxidating
Diisopropylbenzene (DIPB) 2 ~ 5%, Tissuemat E 3 ~ 6%, tricresyl phosphate 3 ~ 5%, polyhedral silsesquioxane 6 ~ 10%, nano-sized molybdenum oxide
2 ~ 5%, calcined kaolin 2 ~ 5%, powdered whiting 4 ~ 8%, ptfe micropowder 1 ~ 2%.
2. LSZH electrical insulating material according to claim 1, it is characterised in that according to the raw material of percentage by weight
Including：Polycarbonate resin 42%, glass fibre 10%, ethylene acrylic elastomers 8%, ethylene-vinyl acetate copolymer 6%,
Cumyl peroxide 4%, Tissuemat E 4%, tricresyl phosphate 4%, polyhedral silsesquioxane 7%, nano-sized molybdenum oxide 3%,
Calcined kaolin 4%, powdered whiting 6%, ptfe micropowder 2%.
3. LSZH electrical insulating material according to claim 1, it is characterised in that described ptfe micropowder
Particle diameter is less than 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012351.8A CN107057318A (en) | 2017-01-09 | 2017-01-09 | LSZH electrical insulating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012351.8A CN107057318A (en) | 2017-01-09 | 2017-01-09 | LSZH electrical insulating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107057318A true CN107057318A (en) | 2017-08-18 |
Family
ID=59624555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012351.8A Pending CN107057318A (en) | 2017-01-09 | 2017-01-09 | LSZH electrical insulating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107057318A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003662A (en) * | 2019-05-05 | 2019-07-12 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure |
| WO2023006614A1 (en) * | 2021-07-27 | 2023-02-02 | Covestro Deutschland Ag | Hydrolysis-resistant polycarbonate composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636443A (en) * | 2007-03-19 | 2010-01-27 | 住友Dow株式会社 | Fire-retarded polycarbonate resin composition |
| CN105585832A (en) * | 2016-02-26 | 2016-05-18 | 国网山东省电力公司临沭县供电公司 | Low-smoke nontoxic electrical insulating material |
| CN105906920A (en) * | 2016-07-04 | 2016-08-31 | 卢永杰 | Low-smoke halogen-free flame-retardant crack-resistant cable material and preparation method thereof |
-
2017
- 2017-01-09 CN CN201710012351.8A patent/CN107057318A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101636443A (en) * | 2007-03-19 | 2010-01-27 | 住友Dow株式会社 | Fire-retarded polycarbonate resin composition |
| CN105585832A (en) * | 2016-02-26 | 2016-05-18 | 国网山东省电力公司临沭县供电公司 | Low-smoke nontoxic electrical insulating material |
| CN105906920A (en) * | 2016-07-04 | 2016-08-31 | 卢永杰 | Low-smoke halogen-free flame-retardant crack-resistant cable material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003662A (en) * | 2019-05-05 | 2019-07-12 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure |
| WO2023006614A1 (en) * | 2021-07-27 | 2023-02-02 | Covestro Deutschland Ag | Hydrolysis-resistant polycarbonate composition |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170818 |