CN103725242A - Corona resistant wire enamel for variable frequency motor and preparation method thereof - Google Patents
Corona resistant wire enamel for variable frequency motor and preparation method thereof Download PDFInfo
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- CN103725242A CN103725242A CN201310598755.1A CN201310598755A CN103725242A CN 103725242 A CN103725242 A CN 103725242A CN 201310598755 A CN201310598755 A CN 201310598755A CN 103725242 A CN103725242 A CN 103725242A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses corona resistant wire enamel for a variable frequency motor. The corona resistant wire enamel is prepared from raw materials in parts (kilogram) by weight as follows: 14-18 parts of epoxy acrylate, 10-12 parts of trimethylolpropane triacrylate, 7-9 parts of dimethyl terephthalate, 3-5 parts of isocyanate, 2-3 parts of dicumyl peroxide, 10-12 parts of mega-phthalate anhydride, 5-7 parts of 4,4- diaminodiphenyl ether, 10-12 parts of ethylene glycol, 1-2 parts of titanium dioxide, 1-2 parts of sodium bicarbonate, 2-3 parts of tung oil, 10-15 parts of barium sulfate, 3-4 parts of an accelerator M, 7-9 parts of auxiliaries, 80-90 parts of cresol and 100-120 parts of dimethylbenzene. The prepared wire enamel is applied to an enameled wire used for the variable frequency motor, so that the performance of paint is improved, the insulating property and the corona resistant property are improved, the technical index of impact resistance of an insulating film of the enameled wire by high pulse higher than the frequency of 20 KHz is met, and product performance is higher than the international standard.
Description
Technical field
The present invention relates to a kind of wire enamel, especially a kind of corona resistant enamel-covered wire paint for variable frequency motor and preparation method thereof.
Background technology
Enameled wire is a kind of electrical material, and it is the high-strength insulating layer of processing thin layer a circular copper line surface, plays the effect with external insulation.By specification, can be processed into than also thin lousiness line of hair, as thick cotton covered wire as thumb.Enameled wire has good insulation effect and waterproof ability.Aspect electrical equipment application very extensive, as electric motor, generator, water pump, electro-magnet, welding machine, household electrical appliance, cableless communication, loud speaker, tg, transformer etc.Wire enamel is the necessary insulating material of producing enameled wire, wire enamel requires to have good tack, physical strength, insulating property, resistance toheat, wear resisting property, salt spray resistance and adverse environment resistant performance etc., but there is thermotolerance, wear no resistance in common wire enamel, insufficient strength, heat-resisting level be lower than the problems such as 120 ℃, is difficult to meet the requirement of varying environment.Need to improve the formula of wire enamel and production technique, further improve the performance of enamel-cover paint, reduce its production cost.
Summary of the invention
Object of the present invention is just to provide a kind of corona resistant enamel-covered wire paint for variable frequency motor and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of corona resistant enamel-covered wire paint for variable frequency motor, it is characterized in that, by following weight part (kilogram) raw material make: epoxy acrylate 14-18, Viscoat 295 10-12, dimethyl terephthalate (DMT) 7-9, isocyanic ester 3-5, dicumyl peroxide 2-3, phthalate anhydride 10-12,4 partially, 4-diamino phenyl ether 5-7, ethylene glycol 10-12, titanium dioxide 1-2, sodium bicarbonate 1-2, tung oil 2-3, barium sulfate 10-15, captax 3-4, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-110;
Described auxiliary agent is made by following raw materials in part by weight: nano mica powder 0.2-0.3, Di(dioctylpyrophosphato) ethylene titanate 3-4, cobalt naphthenate 1-2, triethyl citrate 5-8, linking agent TAC1-2,1,6 hexanediyl ester 10-12, Tenox PG 3-4, coix seed oil 2-3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
The preparation method of described corona resistant enamel-covered wire paint for variable frequency motor, is characterized in that comprising the following steps:
(1), take dimethylbenzene, M-and P-cresols drops in the reactor with agitator and is uniformly mixed, be heated to 40-55 ℃, add inclined to one side phthalate anhydride, 4,4-diamino phenyl ether, ethylene glycol, sodium bicarbonate, stir and be heated to 145-185 ℃, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 70-85 ℃, add epoxy acrylate, Viscoat 295, dimethyl terephthalate (DMT), isocyanic ester, dicumyl peroxide, captax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 105-125 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
Wire enamel of the present invention has following beneficial effect: the wire enamel that adopts this invention to prepare is applied to variable-frequency motor enameled wire, the performance of paint improves: increased insulating property and corona-resistance property, reach the impact technology index of the above high impulse of tolerance 20KHz frequency to magnet wire insulation film, be able in variable-frequency motor, approved and use, product performance are higher than international standard.
Embodiment
Described corona resistant enamel-covered wire paint for variable frequency motor be by following weight part (kilogram) raw material make: epoxy acrylate 14, Viscoat 295 10, dimethyl terephthalate (DMT) 7, isocyanic ester 5, dicumyl peroxide 2, phthalate anhydride 10,4 partially, 4-diamino phenyl ether 5, ethylene glycol 10, titanium dioxide 1, sodium bicarbonate 1, tung oil 3, barium sulfate 10, captax 3, auxiliary agent 9, M-and P-cresols 80, dimethylbenzene 100;
Described auxiliary agent by following weight part (kilogram) raw material makes: nano mica powder 0.2, Di(dioctylpyrophosphato) ethylene titanate 4, cobalt naphthenate 1, triethyl citrate 5, linking agent TAC2,1,6 hexanediyl ester 10, Tenox PG 3, coix seed oil 3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
Preparation method comprises the following steps:
(1), take dimethylbenzene, M-and P-cresols drops in the reactor with agitator and is uniformly mixed, be heated to 40-55 ℃, add inclined to one side phthalate anhydride, 4,4-diamino phenyl ether, ethylene glycol, sodium bicarbonate, stir and be heated to 145-185 ℃, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 70-85 ℃, add epoxy acrylate, Viscoat 295, dimethyl terephthalate (DMT), isocyanic ester, dicumyl peroxide, captax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 105-125 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
Compared with prior art, the wire enamel that adopts this invention to prepare is applied to variable-frequency motor enameled wire, the performance of paint improves: increased insulating property and corona-resistance property, reach the impact technology index of the above high impulse of tolerance 20KHz frequency to magnet wire insulation film, product performance are higher than international standard.
Use paint of the present invention wire rod main performance index processed as follows:
1, tack is good;
2, temperature classification >=155 ℃, thermal shocking reaches 200 ℃ of paint films and does not ftracture;
3, cohesive strength 15N/mm
2;
4,1200 hours/105 ℃ of transformer oil resistants, paint film is without damage.
Claims (3)
1. a corona resistant enamel-covered wire paint for variable frequency motor, it is characterized in that, by following weight part (kilogram) raw material make: epoxy acrylate 14-18, Viscoat 295 10-12, dimethyl terephthalate (DMT) 7-9, isocyanic ester 3-5, dicumyl peroxide 2-3, phthalate anhydride 10-12,4 partially, 4-diamino phenyl ether 5-7, ethylene glycol 10-12, titanium dioxide 1-2, sodium bicarbonate 1-2, tung oil 2-3, barium sulfate 10-15, captax 3-4, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-110.
2. auxiliary agent according to claim 1 is made by following raw materials in part by weight: nano mica powder 0.2-0.3, Di(dioctylpyrophosphato) ethylene titanate 3-4, cobalt naphthenate 1-2, triethyl citrate 5-8, linking agent TAC1-2,1,6 hexanediyl ester 10-12, Tenox PG 3-4, coix seed oil 2-3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
3. the preparation method of corona resistant enamel-covered wire paint for variable frequency motor according to claim 1, is characterized in that comprising the following steps:
(1), take dimethylbenzene, M-and P-cresols drops in the reactor with agitator and is uniformly mixed, be heated to 40-55 ℃, add inclined to one side phthalate anhydride, 4,4-diamino phenyl ether, ethylene glycol, sodium bicarbonate, stir and be heated to 145-185 ℃, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 70-85 ℃, add epoxy acrylate, Viscoat 295, dimethyl terephthalate (DMT), isocyanic ester, dicumyl peroxide, captax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 105-125 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598755.1A CN103725242A (en) | 2013-11-25 | 2013-11-25 | Corona resistant wire enamel for variable frequency motor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598755.1A CN103725242A (en) | 2013-11-25 | 2013-11-25 | Corona resistant wire enamel for variable frequency motor and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103725242A true CN103725242A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310598755.1A Pending CN103725242A (en) | 2013-11-25 | 2013-11-25 | Corona resistant wire enamel for variable frequency motor and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046212A (en) * | 2014-05-14 | 2014-09-17 | 阜阳市美叶家具有限公司 | Acid and alkali resistant heat dissipation coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488697A (en) * | 2002-10-09 | 2004-04-14 | 上海汉邦化工有限公司 | Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof |
| CN101735716A (en) * | 2009-11-24 | 2010-06-16 | 丹阳四达化工有限公司 | Method for preparing corona-resistant wire enamel |
| CN102020911A (en) * | 2010-10-12 | 2011-04-20 | 广州贝特新材料有限公司 | Low-volatilization photocoagulation dipping insulating paint |
| JP2011246692A (en) * | 2010-04-30 | 2011-12-08 | Hitachi Chem Co Ltd | Thixotropic liquid insulating varnish, insulating material for electric equipment using the same, and electric motor |
-
2013
- 2013-11-25 CN CN201310598755.1A patent/CN103725242A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488697A (en) * | 2002-10-09 | 2004-04-14 | 上海汉邦化工有限公司 | Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof |
| CN101735716A (en) * | 2009-11-24 | 2010-06-16 | 丹阳四达化工有限公司 | Method for preparing corona-resistant wire enamel |
| JP2011246692A (en) * | 2010-04-30 | 2011-12-08 | Hitachi Chem Co Ltd | Thixotropic liquid insulating varnish, insulating material for electric equipment using the same, and electric motor |
| CN102020911A (en) * | 2010-10-12 | 2011-04-20 | 广州贝特新材料有限公司 | Low-volatilization photocoagulation dipping insulating paint |
Non-Patent Citations (1)
| Title |
|---|
| 李强军等: ""耐电晕复合漆包线漆的研究"", 《2006年全国绝缘材料与绝缘技术专题研讨会论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046212A (en) * | 2014-05-14 | 2014-09-17 | 阜阳市美叶家具有限公司 | Acid and alkali resistant heat dissipation coating |
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Application publication date: 20140416 |