CN103289323B - Cable and application thereof to electric power system - Google Patents
Cable and application thereof to electric power system Download PDFInfo
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- CN103289323B CN103289323B CN201310221262.6A CN201310221262A CN103289323B CN 103289323 B CN103289323 B CN 103289323B CN 201310221262 A CN201310221262 A CN 201310221262A CN 103289323 B CN103289323 B CN 103289323B
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 18
- KEQFTVQCIQJIQW-UHFFFAOYSA-N N-Phenyl-2-naphthylamine Chemical compound C=1C=C2C=CC=CC2=CC=1NC1=CC=CC=C1 KEQFTVQCIQJIQW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 11
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 9
- 239000006229 carbon black Substances 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims abstract description 9
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 9
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 9
- -1 triallylamine isocyanuric acid ester Chemical class 0.000 claims abstract description 9
- YSAANLSYLSUVHB-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]ethanol Chemical compound CN(C)CCOCCO YSAANLSYLSUVHB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 239000008117 stearic acid Substances 0.000 claims abstract description 6
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229930185605 Bisphenol Natural products 0.000 claims abstract description 5
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 11
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000012467 final product Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000012774 insulation material Substances 0.000 abstract description 5
- 102000015636 Oligopeptides Human genes 0.000 abstract 1
- 108010038807 Oligopeptides Proteins 0.000 abstract 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Natural products OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- MSIYNSBKKVMGFO-BHNWBGBOSA-N Thr-Gly-Pro Chemical compound C[C@H]([C@@H](C(=O)NCC(=O)N1CCC[C@@H]1C(=O)O)N)O MSIYNSBKKVMGFO-BHNWBGBOSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000004223 radioprotective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention relates to a cable and application thereof to an electric power system. The cable consists of a cable conductor and an insulation material wrapping the cable conductor, wherein the insulation material is prepared from the following components: 90 to 100 parts of bisphenol F-type epoxy resin, 50 to 60 parts of phenolic resin powder, 25 to 30 parts of silicon carbide, 18 to 20 parts of white carbon black, 12 to 15 parts of N-ethyl-N-phenyl zinc aminodithioformic acid, 8 to 10 parts of calcium carbonate, 8 to 10 parts of kryocide, 6 to 8 parts of N-phenyl-2-naphthylamine, 5 to 7 parts of stearic acid, 4 to 6 parts of magnesium hydroxide, 4 to 6 parts of zinc borate, 2 to 3 parts of triallylamine isocyanuric acid ester, 2 parts of dimethylamino ethoxyethanol and 2 parts of oligopeptide. The prepared insulation material is good in mechanical performance and insulation and flame retardant performance, and the preparation method is simple.
Description
Technical field
The invention belongs to field of compound material, be specifically related to a kind of cable and the application in power system thereof.
Background technology
Cable (electric cable; Power cable) be normally made up of the conductor outsourcing insulation of one or more mutually insulated and protective layer, electric power or information are transferred to the wire at another place from one, are widely used in power system.The model of cable mainly contains: power cable with cross-linked polyethylene insulation, rubber sleeve flexible cable, colliery resistance cable, shipboard cable, aluminum stranded conductor and Aluminium Cable Steel Reinforced, polyvinyl chloride insulation control cables, polychlorostyrene alkene insulated line, electric cable of submersible pump, elevator cable, railway signal cable, computer cable special etc.
Along with the development of power industry, the improved products such as fire-retardant radioprotective power cable have been widely applied in daily life.But flame retardant cable commercially available is at present mainly the fire-retardant PV C cable of PV C sheath and insulation, or add the fire retardant polyolefin cable of harmful fire retardant.Along with the progress of society and going deep into of safety and environmental protection consciousness, the secondary pollution produced when national governments burn to Halogen flame-retardant system gives unprecedented concern, research finds that these smog are enough to make people because being choked to death, and visual plant (computer etc.) is paralysed because of corrosion.When halogen-free anti-flaming polyolefin cable not only can overcome halogen, the burning of antimony system flame retardant cable smog large, give off poisonous gas and the defect such as corrosive gases, also can overcome common halogen, antimony system CABLE MATERIALS is easily aging, the problems such as low temperature brittleness difference, are subject to the extensive attention of countries in the world scientific research personnel.Above mentioned problem, also there is tensile strength and the defect such as hardness is inadequate in cable of the prior art, causes usually occurring fracture or damaged; Meanwhile, outdoor use cable also usually can, due to reasons such as radiation, make the various aspects of performance of cable significantly reduce, and there is larger potential safety hazard.
Summary of the invention
The cable insulation flame retardant properties that the object of the invention is to solve prior art existence is poor, and the not high defect of tensile strength and hardness, provides a kind of novel cable and application thereof.Present invention also offers a kind of insulating material for cable.
To achieve these goals, the present invention has come by following technical solution:
A kind of cable, be made up of cable conductor and the insulating material be wrapped on cable conductor, it is characterized in that, described insulating material is prepared from by the raw material of following weight part: bisphenol f type epoxy resin (liquid bisphenol F type
epoxy resin) 100-90, phenol-formaldehyde resin powder 60-50 part, silicon carbide 30-25 part, white carbon black 20-18 part, N-ethyl, N-phenyl zinc dithiocarbamate 15-12 part, calcium carbonate 10-8 part, sodium aluminum fluoride 10-8 part, N-phenyl-2-naphthylamine 8-6 part, stearic acid 7-5 part, magnesium hydroxide 6-4 part, zinc borate 6-4 part, cyanacrylate 3-2 part, dimethylaminoethoxyethanol 2 parts, small peptide 2 parts.
Preferably, the particle diameter of phenol-formaldehyde resin powder and white carbon black all controls at below 10um; The particle diameter of silicon carbide, calcium carbonate and sodium aluminum fluoride all controls at below 1um; Small peptide is the small peptide of below 10 amino acid, such as Gly-Thr-Gly-Gly or Pro-Gly-Val-Thr-Val.
The present invention without any restriction, can be the material for conducting electricity conventional in prior art to cable conductor, such as silver-plated copper, copper cover aluminum and copper sheathed steel etc.
The invention also discloses above-mentioned insulating material preparation method as follows:
Get each raw material according to part by weight, pour in homogenizer, under room temperature, be first uniformly mixed 30-40min with the speed of 800 revs/min, then at 65-85 DEG C, stir 10-15min with the speed of 5000 revs/min; The batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 200 DEG C.
The invention also discloses a kind of cable insulating material, be prepared from by the raw material of following weight part: bisphenol f type epoxy resin (liquid bisphenol F type epoxy resin) 100-90, phenol-formaldehyde resin powder 60-50 part, silicon carbide 30-25 part, white carbon black 20-18 part, N-ethyl, N-phenyl zinc dithiocarbamate 15-12 part, calcium carbonate 10-8 part, sodium aluminum fluoride 10-8 part, N-phenyl-2-naphthylamine 8-6 part, stearic acid 7-5 part, magnesium hydroxide 6-4 part, zinc borate 6-4 part, cyanacrylate 3-2 part, dimethylaminoethoxyethanol 2 parts, small peptide 2 parts.
The present invention achieves technique effect useful as follows:
Cable material fire retardant insulating radiation resistance prepared by the present invention is better, possesses application prospect widely;
The mechanical propertys such as cable material tensile strength prepared by the present invention and hardness improve greatly, and fracture and the possibility damaged reduce, and improve safety coefficient;
The present invention is by a large amount of tests, and the raw material of selection is cheap and compatibility reasonable, and preparation method is simple;
The present invention have employed small peptide innovatively, adopts the physicals of its uniqueness, improves the complex ability of each raw material, improves the insulating property of matrix material and tensile strength and hardness.
Embodiment
By adopting the mode of specific embodiment, the invention will be further described below, but it can not be interpreted as it is restriction to core of innovation spirit of the present invention.
Embodiment 1
A kind of cable, be made up of cable conductor and the insulating material be wrapped on cable conductor, this insulating material is prepared from by the raw material of following weight part: liquid bisphenol F type epoxy resin 100, phenol-formaldehyde resin powder 60 parts, 30 parts, silicon carbide, white carbon black 20 parts, N-ethyl, N-phenyl zinc dithiocarbamate 15 parts, 10 parts, calcium carbonate, sodium aluminum fluoride 10 parts, N-phenyl-2-naphthylamine 8 parts, stearic acid 7 parts, magnesium hydroxide 6 parts, zinc borate 6 parts, cyanacrylate 3, dimethylaminoethoxyethanol 2 parts, small peptide 2 parts.The particle diameter of phenol-formaldehyde resin powder and white carbon black all controls at below 10um; The particle diameter of silicon carbide, calcium carbonate and sodium aluminum fluoride all controls at below 1um; Small peptide is Gly-Thr-Gly-Gly.
Above-mentioned insulating material preparation method is as follows: get each raw material according to part by weight, pours in homogenizer, is first uniformly mixed 30min with the speed of 800 revs/min under room temperature, then at 65 DEG C, stirs 10min with the speed of 5000 revs/min; The batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 200 DEG C.
Embodiment 2
A kind of cable insulation material, is prepared from by the raw material of following weight part: bisphenol f type epoxy resin (liquid bisphenol F type epoxy resin) 90, phenol-formaldehyde resin powder 50 parts, 25 parts, silicon carbide, white carbon black 18 parts, N-ethyl, N-phenyl zinc dithiocarbamate 12 parts, 8 parts, calcium carbonate, sodium aluminum fluoride 8 parts, N-phenyl-2-naphthylamine 6 parts, stearic acid 5 parts, magnesium hydroxide 4 parts, zinc borate 4 parts, cyanacrylate 2 parts, dimethylaminoethoxyethanol 2 parts, small peptide 2 parts.The particle diameter of phenol-formaldehyde resin powder and white carbon black all controls at below 10um; The particle diameter of silicon carbide, calcium carbonate and sodium aluminum fluoride all controls at below 1um; Small peptide is Pro-Gly-Val-Thr-Val.
Above-mentioned insulating material preparation method is as follows: get each raw material according to part by weight, pours in homogenizer, is first uniformly mixed 40min with the speed of 800 revs/min under room temperature, then at 85 DEG C, stirs 15min with the speed of 5000 revs/min; The batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 200 DEG C.
Embodiment 3
The various performance parameter tests of insulating material prepared by the present invention
1. flame retardant properties test:
Table 1
Conclusion: the better mechanical property of cable insulation material prepared by the present invention, can be applicable to various cable material.
2. (radiation quantity is 1000kGy) after gammairradiation, the change of mechanical property:
Conclusion: after gammairradiation, tensile strength, elongation at break and hardness obviously do not decline, and radiation resistance is better.
3. fire-retardant and insulating property:
Table 3
Conclusion: good insulation preformance, oxygen index is higher, belongs to nonflammable material, and flame retardant effect is better.
Above in conjunction with specific embodiments to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (2)
1. a cable, be made up of cable conductor and the insulating material be wrapped on cable conductor, it is characterized in that, described insulating material is prepared from by the raw material of following weight part: bisphenol f type epoxy resin 100-90, phenol-formaldehyde resin powder 60-50 part, silicon carbide 30-25 part, white carbon black 20-18 part, N-ethyl, N-phenyl zinc dithiocarbamate 15-12 part, calcium carbonate 10-8 part, sodium aluminum fluoride 10-8 part, N-phenyl-2-naphthylamine 8-6 part, stearic acid 7-5 part, magnesium hydroxide 6-4 part, zinc borate 6-4 part, cyanacrylate 3-2 part, dimethylaminoethoxyethanol 2 parts, small peptide 2 parts.
2. cable as claimed in claim 1, it is characterized in that, described insulating material preparation method is as follows: take each raw material, pour in homogenizer, first be uniformly mixed 30-40min with the speed of 800 revs/min under room temperature, then at 65-85 DEG C, stir 10-15min with the speed of 5000 revs/min; The batch mixing stirred is discharged in twin screw extruder, is expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product at 200 DEG C.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211466.0A CN104804379A (en) | 2013-05-31 | 2013-05-31 | Insulating material for cable |
| CN201310221262.6A CN103289323B (en) | 2013-05-31 | 2013-05-31 | Cable and application thereof to electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310221262.6A CN103289323B (en) | 2013-05-31 | 2013-05-31 | Cable and application thereof to electric power system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510211466.0A Division CN104804379A (en) | 2013-05-31 | 2013-05-31 | Insulating material for cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103289323A CN103289323A (en) | 2013-09-11 |
| CN103289323B true CN103289323B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310221262.6A Expired - Fee Related CN103289323B (en) | 2013-05-31 | 2013-05-31 | Cable and application thereof to electric power system |
| CN201510211466.0A Pending CN104804379A (en) | 2013-05-31 | 2013-05-31 | Insulating material for cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510211466.0A Pending CN104804379A (en) | 2013-05-31 | 2013-05-31 | Insulating material for cable |
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| CN (2) | CN103289323B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038111B (en) * | 2015-07-23 | 2017-11-17 | 安徽瑞侃电缆科技有限公司 | A kind of heat-resisting resist bending wear-resistant cable |
| CN105118636A (en) * | 2015-09-17 | 2015-12-02 | 国网山东省电力公司临沂供电公司 | Distribution transformer bushing |
| CN105419243A (en) * | 2016-01-12 | 2016-03-23 | 芜湖航天特种电缆厂股份有限公司 | Insulating material for cable and preparation method of insulating material |
| CN105551692A (en) * | 2016-01-12 | 2016-05-04 | 芜湖航天特种电缆厂股份有限公司 | Insulated cable and preparation method thereof |
| CN108948659A (en) * | 2018-06-06 | 2018-12-07 | 镇江市鑫泰绝缘材料有限公司 | A kind of superelevation proof voltage epoxy resins insulation plate and its processing technology |
| CN110615969B (en) * | 2019-08-14 | 2021-11-23 | 江西瀚泰新材料科技有限公司 | Anti-aging and flame-retardant epoxy resin cable insulating material and preparation thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814682A (en) * | 2005-02-04 | 2006-08-09 | 上海康达化工有限公司 | Anti-corrosion coating layer for water pump, water pump containing same and construction method therefor |
| CN102725802A (en) * | 2010-02-03 | 2012-10-10 | Abb研究有限公司 | Electric insulation system |
-
2013
- 2013-05-31 CN CN201310221262.6A patent/CN103289323B/en not_active Expired - Fee Related
- 2013-05-31 CN CN201510211466.0A patent/CN104804379A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1814682A (en) * | 2005-02-04 | 2006-08-09 | 上海康达化工有限公司 | Anti-corrosion coating layer for water pump, water pump containing same and construction method therefor |
| CN102725802A (en) * | 2010-02-03 | 2012-10-10 | Abb研究有限公司 | Electric insulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103289323A (en) | 2013-09-11 |
| CN104804379A (en) | 2015-07-29 |
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Inventor after: Wang Dongyang Inventor after: Guo Changlin Inventor after: Peng Bo Inventor after: Qu Xiaokang Inventor after: Wei Fei Inventor after: Li Yingxin Inventor before: Li Yingxin |
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Free format text: CORRECT: INVENTOR; FROM: LI YINGXIN TO: WANG DONGYANG GUO CHANGLIN PENG BO QU XIAOKANG WEI FEI LI YINGXIN |
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Granted publication date: 20150513 Termination date: 20160531 |