CN103881244A - Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories - Google Patents
Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories Download PDFInfo
- Publication number
- CN103881244A CN103881244A CN201410145258.0A CN201410145258A CN103881244A CN 103881244 A CN103881244 A CN 103881244A CN 201410145258 A CN201410145258 A CN 201410145258A CN 103881244 A CN103881244 A CN 103881244A
- Authority
- CN
- China
- Prior art keywords
- agent
- silicone oil
- rubber
- ethylene
- insulation material
- 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.)
- Pending
Links
Classifications
-
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer 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
Landscapes
- 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)
Abstract
The invention discloses an ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories. The ethylene-propylene insulating material is characterized in that the ethylene-propylene insulating material comprises the following components in percent by weight: 20%-30% of ethylene propylene terpolymer rubbers, 10%-20% of ethylene propylene monomer rubbers, 2%-3% of zinc oxide, 0.1%-0.3% of zinc stearate, 0.3%-0.5% of anti-aging agent, 35%-40% of filling reinforcing agent, 0.5%-0.7% of coupling agent, 13%-15% of softening agent, 0.8%-1% of co-crosslinking agent and 1.2%-1.5% of vulcanizing agent. The ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories is prepared from the components. The product is soaked in silicone oil, so that not only are good physical and mechanical performances and excellent electrical performances kept, but also the colorless and transparent silicone oil is non-discoloring to keep excellent electrical performances, and therefore, the product is applicable to high-voltage cross-linked cable accessories.
Description
Technical field
The present invention relates to a kind of insulating material, particularly disclose a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, belong to insulating material technical field, be applicable to high-pressure cross-linking cable annex.
Background technology
High-pressure cross-linking cable annex is mainly the characteristic according to the construction of cable, can recover the performance of cable, guarantees again the prolongation of cable length and the connection of terminal.The environment that it uses has higher performance requriements to rubber insulation material in cable accessory, guarantee cable reliability of operation and work-ing life.
High-pressure cross-linking cable outdoor terminal product structure feature is that prefabricated rubber stress cone is immersed in transformer oil.Rubber stress cone generally adopts ethylene-propylene rubber(EPR) or silicon rubber to make, and as adopted ethylene-propylene rubber(EPR) stress cone, for guaranteeing material compatibility, best transformer oil should be selected silicone oil.Even selection silicone oil, if second the third Insulation Material is not done special processing, operation wet goods small molecules in second the third Insulation Material still can be separated out in a large number and enter silicone oil, gently cause silicone oil variable color, heavy cause the electrical property of silicone oil to be affected, also can make mechanical property and the electrical property of ethylene-propylene rubber(EPR) stress cone reduce, affect cable reliability of operation and work-ing life.
Summary of the invention
The object of the invention is to solve the silicone oil consistency of high-pressure cross-linking cable annex second the third Insulation Material, guarantee both energy long-term co-existence, not only make water white silicone oil nondiscoloration keep good electrical property, and the electrical property, the mechanical property that guarantee ethylene-propylene rubber(EPR) all do not change, make terminal insulation system remain good electric property, guarantee cable reliability of operation and work-ing life.
The present invention is achieved in that a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, it is characterized in that component and quality percentage composition thereof that described second the third Insulation Material comprises are: terpolymer EP rubber 20～30%, ethylene propylene rubber 10～20%, zinc oxide 2～3%, Zinic stearas 0.1～0.3%, anti-aging agent 0.3～0.5%, packing strengthening agent 35～40%, coupling agent 0.5～0.7%, tenderizer 13～15%, co-crosslinker 0.8～1%, vulcanizing agent 1.2～1.5%.Described anti-aging agent is substituted phenol anti-aging agent, described packing strengthening agent is one or both in calcined kaolin and talcum powder, described coupling agent is silane coupling agent, described tenderizer is reactive plasticizer, described co-crosslinker is superoxide bridging agent, and described vulcanizing agent is peroxide vulcanizing agent.
Described terpolymer EP rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, wherein the first rubber base-material: ethylene content is that 60～80%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 40～60; The second rubber base-material: ethylene content is that 45～60%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 25～40.
Described ethylene propylene rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, wherein the first rubber base-material: ethylene content is 50～67%, and dicyclopentadiene DCPD content is 3～5%, 125 ℃ of 1+4 of mooney viscosity ML are 35～50; The second rubber base-material: ethylene content is 45～50%, dicyclopentadiene DCPD content is 2～3%, 125 ℃ of 1+4 of mooney viscosity ML are 25～30.
Described substituted phenol anti-aging agent is 2,6 di tert butyl 4 methyl phenol, in vain to light yellow crystalline powder, and relative density 1.048,68～70 ℃ of fusing points, 257～265 ℃ of boiling points, 126.6 ℃ of flash-points.
Described packing strengthening agent is one or both in calcined kaolin and talcum powder, wherein calcined kaolin average particle size particle size 1.4 um, oil number 45～55, luminance brightness 90～92, free moisture content <0.5%, 325 screen residue content <0.03%; Equal 2～6 um of talcum powder, relative density 2.7～2.8, specific refractory power 1.59, weight loss on heating <0.5%, hydrochloric acid insoluble substance >87%.
Described silane coupling agent, colourless or light yellow transparent liquid, relative density 1.04, specific refractory power 1.427,285 ℃ of boiling points, 66 ℃, point of ignition.
Described tenderizer is reactive plasticizer, a kind of polyethers amber color liquid, molecular weight 700～1000, relative density 0.94, specific inductivity 4～6, dielectric loss 0.0010～0.0025.
Described co-crosslinker is superoxide bridging agent, composition; Cyanacrylate, outward appearance: white powder, relative density 1.30, content: 70%.
Described vulcanizing agent is peroxide vulcanizing agent, white or light yellow crystalline powder, relative density 1.53,39～42 ℃ of fusing points, 133 ℃ of flash-points.
The invention has the beneficial effects as follows: the present invention is in ethylene-propylene rubber(EPR), add a kind of reactive plasticizer, co-crosslinker, vulcanizing agent in energy and Insulation Material react to each other, it is not extracted by silicone oil, can make like this silicone oil keep water white transparency state, and the electrical property of silicone oil also can remain unchanged, thereby guarantee that electrical property and the mechanical property of second the third Insulation Material are unaffected, improved cable reliability of operation and work-ing life.
Embodiment
The present invention is a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, and the component that it comprises and quality percentage composition thereof are: terpolymer EP rubber 20～30%, ethylene propylene rubber 10～20%, zinc oxide 2～3%, Zinic stearas 0.1～0.3%, anti-aging agent 0.3～0.5%, packing strengthening agent 35～40%, coupling agent 0.5～0.7%, tenderizer 13～15%, co-crosslinker 0.8～1%, vulcanizing agent 1.2～1.5%.
Terpolymer EP rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, wherein the first rubber base-material: ethylene content is that 60～80%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 40～60; The second rubber base-material: ethylene content is that 45～60%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 25～40.
Ethylene propylene rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, wherein the first rubber base-material: ethylene content is 50～67%, and dicyclopentadiene DCPD content is 3～5%, 125 ℃ of 1+4 of mooney viscosity ML are 35～50; The second rubber base-material: ethylene content is 45～50%, dicyclopentadiene DCPD content is 2～3%, 125 ℃ of 1+4 of mooney viscosity ML are 25～30.
Substituted phenol anti-aging agent is 2,6 di tert butyl 4 methyl phenol, in vain to light yellow crystalline powder, and relative density 1.048,68～70 ℃ of fusing points, 257～265 ℃ of boiling points, 126.6 ℃ of flash-points.Packing strengthening agent is one or both in calcined kaolin and talcum powder, wherein calcined kaolin average particle size particle size 1.4 um, oil number 45～55, luminance brightness 90～92, free moisture content <0.5%, 325 screen residue content <0.03%; Equal 2～6 um of talcum powder, relative density 2.7～2.8, specific refractory power 1.59, weight loss on heating <0.5%, hydrochloric acid insoluble substance >87%.Silane coupling agent, colourless or light yellow transparent liquid, relative density 1.04, specific refractory power 1.427,285 ℃ of boiling points, 66 ℃, point of ignition.Tenderizer is reactive plasticizer, a kind of polyethers amber color liquid, molecular weight 700～1000, relative density 0.94, specific inductivity 4～6, dielectric loss 0.0010～0.0025.Co-crosslinker is superoxide bridging agent, composition; Cyanacrylate, outward appearance: white powder, relative density 1.30, content: 70%.Vulcanizing agent is peroxide vulcanizing agent, white or light yellow crystalline powder, relative density 1.53,39～42 ℃ of fusing points, 133 ℃ of flash-points.
Embodiment 1:
The present invention is a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, and the component that it comprises and quality percentage composition thereof are: terpolymer EP rubber 28%, ethylene propylene rubber 12%, zinc oxide 3%, Zinic stearas 0.3%, anti-aging agent 0.5%, packing strengthening agent 38%, coupling agent 0.7%, tenderizer 15%, co-crosslinker 1%, vulcanizing agent 1.5%.
Other are with aforementioned.
Embodiment 2:
The present invention is a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, and the component that it comprises and quality percentage composition thereof are: terpolymer EP rubber 26%, ethylene propylene rubber 18%, zinc oxide 2.5%, Zinic stearas 0.25%, anti-aging agent 0.35%, packing strengthening agent 37%, coupling agent 0.6%, tenderizer 13%, co-crosslinker 0.9%, vulcanizing agent 1.4%.
Other are with embodiment 1.
Embodiment 3:
The present invention is a kind of high-pressure cross-linking cable of resistance to silicone oil annex second the third Insulation Material, and the component that it comprises and quality percentage composition thereof are: terpolymer EP rubber 22%, ethylene propylene rubber 20%, zinc oxide 2%, Zinic stearas 0.1%, anti-aging agent 0.4%, packing strengthening agent 39%, coupling agent 0.5%, tenderizer 14%, co-crosslinker 0.8%, vulcanizing agent 1.2%.
Other are with embodiment 1.
Claims (7)
1. second third Insulation Material for the high-pressure cross-linking cable of resistance to silicone oil annex, is characterized in that component and quality percentage composition thereof that described second the third Insulation Material comprises are: terpolymer EP rubber 20～30%, ethylene propylene rubber 10～20%, zinc oxide 2～3%, Zinic stearas 0.1～0.3%, anti-aging agent 0.3～0.5%, packing strengthening agent 35～40%, coupling agent 0.5～0.7%, tenderizer 13～15%, co-crosslinker 0.8～1%, vulcanizing agent 1.2～1.5%; Described anti-aging agent is substituted phenol anti-aging agent, described packing strengthening agent is one or both in calcined kaolin and talcum powder, described coupling agent is silane coupling agent, described tenderizer is reactive plasticizer, described co-crosslinker is superoxide bridging agent, and described vulcanizing agent is peroxide vulcanizing agent.
2. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that: described terpolymer EP rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, the first rubber base-material: ethylene content is 60～80%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 40～60; The second rubber base-material: ethylene content is that 45～60%, ENB content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 25～40.
3. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that: described ethylene propylene rubber is made up of a kind of in following two kinds of rubber base-materials or two kinds, wherein the first rubber base-material: ethylene content is 50～67%, dicyclopentadiene DCPD content is 3～5%, and 125 ℃ of 1+4 of mooney viscosity ML are 35～50; The second rubber base-material: ethylene content is 45～50%, dicyclopentadiene DCPD content is 2～3%, 125 ℃ of 1+4 of mooney viscosity ML are 25～30.
4. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that: described substituted phenol anti-aging agent is 2,6-di-tert-butyl-4-methy phenol, in vain to light yellow crystalline powder, relative density 1.048,68～70 ℃ of fusing points, 257～265 ℃ of boiling points, 126.6 ℃ of flash-points; Described packing strengthening agent is one or both in calcined kaolin and talcum powder, wherein calcined kaolin average particle size particle size 1.4 um, oil number 45～55, luminance brightness 90～92, free moisture content <0.5%, 325 screen residue content <0.03%; Equal 2～6 um of talcum powder, relative density 2.7～2.8, specific refractory power 1.59, weight loss on heating <0.5%, hydrochloric acid insoluble substance >87%; Described silane coupling agent, colourless or light yellow transparent liquid, relative density 1.04, specific refractory power 1.427,285 ℃ of boiling points, 66 ℃, point of ignition; Described tenderizer is reactive plasticizer, a kind of polyethers amber color liquid, molecular weight 700～1000, relative density 0.94, specific inductivity 4～6, dielectric loss 0.0010～0.0025; Described co-crosslinker is superoxide bridging agent, composition; Cyanacrylate, outward appearance: white powder, relative density 1.30, content: 70%; Described vulcanizing agent is peroxide vulcanizing agent, white or light yellow crystalline powder, relative density 1.53,39～42 ℃ of fusing points, 133 ℃ of flash-points.
5. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that component and quality percentage composition thereof that described second the third Insulation Material comprises are: terpolymer EP rubber 28%, ethylene propylene rubber 12%, zinc oxide 3%, Zinic stearas 0.3%, anti-aging agent 0.5%, packing strengthening agent 38%, coupling agent 0.7%, tenderizer 15%, co-crosslinker 1%, vulcanizing agent 1.5%.
6. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that component and quality percentage composition thereof that described second the third Insulation Material comprises are: terpolymer EP rubber 26%, ethylene propylene rubber 18%, zinc oxide 2.5%, Zinic stearas 0.25%, anti-aging agent 0.35%, packing strengthening agent 37%, coupling agent 0.6%, tenderizer 13%, co-crosslinker 0.9%, vulcanizing agent 1.4%.
7. according to second the third Insulation Material for the high-pressure cross-linking cable of the resistance to silicone oil annex described in claim 1, it is characterized in that component and quality percentage composition thereof that described second the third Insulation Material comprises are: terpolymer EP rubber 22%, ethylene propylene rubber 20%, zinc oxide 2%, Zinic stearas 0.1%, anti-aging agent 0.4%, packing strengthening agent 39%, coupling agent 0.5%, tenderizer 14%, co-crosslinker 0.8%, vulcanizing agent 1.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145258.0A CN103881244A (en) | 2014-04-14 | 2014-04-14 | Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145258.0A CN103881244A (en) | 2014-04-14 | 2014-04-14 | Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103881244A true CN103881244A (en) | 2014-06-25 |
Family
ID=50950394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410145258.0A Pending CN103881244A (en) | 2014-04-14 | 2014-04-14 | Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103881244A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633432A (en) * | 2016-12-23 | 2017-05-10 | 太仓冠联高分子材料有限公司 | EPDM (Ethylene-Propylene-Diene Monomer) rubber for medium/low-voltage cable accessories and preparation method of EPDM rubber |
| CN114514281A (en) * | 2019-09-24 | 2022-05-17 | 陶氏环球技术有限责任公司 | Polymer composition having excellent electrical and mechanical properties |
| CN116285126A (en) * | 2023-04-06 | 2023-06-23 | 江苏上上电缆集团新材料有限公司 | High-electrical-property medium-voltage flexible cable rubber insulating material and preparation method thereof |
| CN117004142A (en) * | 2023-08-18 | 2023-11-07 | 东莞市博恩密封技术有限公司 | High-low temperature compression deformation resistant EPDM rubber and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382377A (en) * | 2011-09-29 | 2012-03-21 | 江苏亨通电力电缆有限公司 | Medium-voltage ethylene propylene rubber insulating material and preparation method thereof |
-
2014
- 2014-04-14 CN CN201410145258.0A patent/CN103881244A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382377A (en) * | 2011-09-29 | 2012-03-21 | 江苏亨通电力电缆有限公司 | Medium-voltage ethylene propylene rubber insulating material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 韩悦 等: "生物反应性增塑剂大豆油对三元乙丙橡胶增塑效果的研究", 《橡胶科技市场》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633432A (en) * | 2016-12-23 | 2017-05-10 | 太仓冠联高分子材料有限公司 | EPDM (Ethylene-Propylene-Diene Monomer) rubber for medium/low-voltage cable accessories and preparation method of EPDM rubber |
| CN114514281A (en) * | 2019-09-24 | 2022-05-17 | 陶氏环球技术有限责任公司 | Polymer composition having excellent electrical and mechanical properties |
| CN116285126A (en) * | 2023-04-06 | 2023-06-23 | 江苏上上电缆集团新材料有限公司 | High-electrical-property medium-voltage flexible cable rubber insulating material and preparation method thereof |
| CN117004142A (en) * | 2023-08-18 | 2023-11-07 | 东莞市博恩密封技术有限公司 | High-low temperature compression deformation resistant EPDM rubber and preparation method thereof |
| CN117004142B (en) * | 2023-08-18 | 2024-03-19 | 东莞市博恩密封技术有限公司 | High-low temperature compression deformation resistant EPDM rubber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103881244A (en) | Ethylene-propylene insulating material for silicone oil-resistant high-voltage cross-linked cable accessories | |
| CN103351520A (en) | High-cold-resistant insulated cable material and preparation method thereof | |
| CN102040807B (en) | High-glowing filament environmental-friendly flame retardant reinforced PBT (Polybutylece Terephthalate) composite material and preparation method thereof | |
| CN101768311A (en) | Rubber cable insulation material and manufacturing method thereof | |
| CN102757651A (en) | Silicone rubber insulating fluororubber cable material and preparation method thereof | |
| CN103102541A (en) | Low-smoke flame retardant cable material for locomotive and preparation method thereof | |
| CN103928158A (en) | Anti-flaming fireproof cable for electric welding machine | |
| CN106519466A (en) | Environmental-protection heat-resistant oil-resistant flame-retardant chlorinated polyethylene rubber sheath material and preparation method thereof | |
| CN105348575A (en) | Formula of insulating cable jacket encapsulation | |
| CN105907102A (en) | Silicone rubber cable sheath | |
| CN101735520A (en) | Cable insulation material and manufacturing method thereof | |
| CN106832476A (en) | A kind of ruggedized cable insulating barrier dispensing | |
| CN104277451A (en) | Electric wire insulating material with relatively high heat resistance | |
| KR102279438B1 (en) | Epoxy resin composition and transformer comprising the same | |
| CN104021866A (en) | Heat dissipation type flat cable | |
| CN106496823A (en) | A kind of cold-resistant fire-retardant chlorinated polyethylene rubber sheath material of environment-friendly type and preparation method | |
| CN104448584A (en) | High-temperature-resistant and oil-resistant fluorine rubber and ethylene propylene rubber composite insulated cable material and manufacturing method | |
| CN112898688A (en) | Medium-low voltage grade halogen-free flame-retardant ethylene propylene rubber insulating material and preparation method thereof | |
| CN102262936A (en) | Environmentally-friendly flexible cable with high flame retardance and super low temperature resistance | |
| CN104448486B (en) | A kind of preparation technology of the wire-insulating compound that can be used for hygrothermal environment | |
| CN104877228A (en) | Anti-pollution and self-cleaning halogen-free flame retardant insulating material for household appliance and preparation method of anti-pollution and self-cleaning halogen-free flame retardant insulating material | |
| CN105038246A (en) | Composite material used for power cable insulation layers | |
| CN104829909A (en) | High-temperature-resistant high-strength silane crosslinked polyethylene cable material and preparation method therefor | |
| CN106057283B (en) | A kind of flexible mineral power cable | |
| CN104485164A (en) | Voltage-withstanding aluminum alloy cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140625 |