CN103382366B - A kind of high-temperature resistant silicone impregnating varnish and preparation method thereof - Google Patents
A kind of high-temperature resistant silicone impregnating varnish and preparation method thereof Download PDFInfo
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- CN103382366B CN103382366B CN201310261595.1A CN201310261595A CN103382366B CN 103382366 B CN103382366 B CN 103382366B CN 201310261595 A CN201310261595 A CN 201310261595A CN 103382366 B CN103382366 B CN 103382366B
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Abstract
A kind of high-temperature resistant silicone impregnating varnish and preparation method thereof, is characterized in that being made up of the raw material of following weight portion: organic siliconresin 32-35, vinyl triamine 2-3, alkyd resins 6-8, ethyl acetate 10-12, E-12 epoxy resin 14-16, maleic anhydride 4-6, ethylene glycol 6-7, dibutyl tin laurate 2-3, cyanuric acid zinc 1-2, polyisobutene 4-5, rosin acid polyoxyethylene ester 2-3, vinyl three ('beta '-methoxy ethyoxyl) silane 3-4, dimethylbenzene 35-38, film forming agent 4-5. Impregnating varnish paint film good toughness of the present invention, excellent in cushion effect, paint film densification, resistance to xanthochromia, can be high temperature resistant, high humidity, corrosion, and electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can long-term work 200 DEG C, 220 DEG C of short-terms, have met designing requirement.
Description
Technical field
The invention belongs to insulating materials field, relate to a kind of impregnating varnish, especially a kind of high-temperature resistant silicone impregnating varnish andIts preparation method.
Background technology
The productions such as motor, transformer, wire generally adopt pressure impregnation technique. Go tide rear cooling workpiece preliminary drying, be placed inIn vacuum environment, get rid of inner air and volatile matter, rely in vacuum and paint liquid gravity, apply the effect of certain pressure, make paintLiquid rapid permeability is also full of insulation system internal layer. This technique can obtain the paint film of continuous densification, free of pinholes.
Existing impregnating varnish is to be curing agent by epoxy resin as matrix resin, acid anhydrides. But this system cured productTemperature resistant grade and toughness deficiency, need to carry out modification to epoxy anhydride impregnating varnish system, be impregnating varnish system solidfied material simultaneouslyMeet the requirement of temperature resistant grade and mechanical performance.
Summary of the invention
The object of this invention is to provide a kind of high-temperature resistant silicone impregnating varnish and preparation method thereof.
Technical scheme of the present invention is as follows:
A kind of high-temperature resistant silicone impregnating varnish, is characterized in that being made up of the raw material of following weight portion:
Organic siliconresin 32-35, vinyl triamine 2-3, alkyd resins 6-8, ethyl acetate 10-12, E-12 epoxy resin14-16, maleic anhydride 4-6, ethylene glycol 6-7, dibutyl tin laurate 2-3, cyanuric acid zinc 1-2, polyisobutene 4-5,Rosin acid polyoxyethylene ester 2-3, vinyl three ('beta '-methoxy ethyoxyl) silane 3-4, dimethylbenzene 35-38, film forming agent 4-5.
Described film forming agent is made up of the raw material of following weight portion: Silane coupling agent KH550 2-4,582-2 amino resins16-21, polyisobutene 3-4, cobalt naphthenate 1-2, isopropyl distearyl acyl-oxygen base Aluminate 1-2, two ten four carbon alcohols ester 4-5, nitrogenChange aluminium 1-2, nano-attapulgite 1-2, epoxidized soybean oil 4-5, morpholine 1-2;
Preparation method is: by each mixing of materials, be heated to 105-110 DEG C, and stirring reaction 2-3 hour, grinding removes slag obtains.
The preparation method of described high-temperature resistant silicone impregnating varnish, is characterized in that comprising the following steps: by maleic twoAcid anhydrides, ethylene glycol, dibutyl tin laurate, cyanuric acid zinc, polyisobutene, rosin acid polyoxyethylene ester, vinyl three (β-firstOxygen base oxethyl) silane, dimethylbenzene mixes, and is heated to 120-130 DEG C, and stirring reaction 2-3 hour, then, adds other residueComposition, insulated and stirred reaction 3-4 hour, to obtain final product.
Preparation technology of the present invention is simple, cost is low, be conducive to realize suitability for industrialized production; And this high-temperature resistant silicone impregnating varnishRoom temperature tensile shear strength high, also there is excellent heat resistance, hydrophobicity is strong, at high power traction electric machine, Electricity GenerationThe fields such as machine, drilling motor, mining motor, have broad application prospects.
Impregnating varnish paint film good toughness of the present invention, excellent in cushion effect, paint film densification, resistance to xanthochromia, can be high temperature resistant, high humidity, corruptionErosion, electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can long-term work 200 DEG C, 220 DEG C of short-terms, have met designRequirement.
Detailed description of the invention
A kind of high-temperature resistant silicone impregnating varnish, by the raw material of following weight portion (kilogram) make:
Organic siliconresin 32, vinyl triamine 3, alkyd resins 8, ethyl acetate 12, E-12 epoxy resin 16, maleic twoAcid anhydrides 6, ethylene glycol 7, dibutyl tin laurate 2, cyanuric acid zinc 2, polyisobutene 4, rosin acid polyoxyethylene ester 2, vinylThree ('beta '-methoxy ethyoxyl) silane 4, dimethylbenzene 38, film forming agent 5.
Described film forming agent is made up of the raw material of following weight portion: Silane coupling agent KH550 4,582-2 amino resins16, polyisobutene 4, cobalt naphthenate 2, isopropyl distearyl acyl-oxygen base Aluminate 2, two ten four carbon alcohols esters 5, aluminium nitride 2, nanometer are recessedProtruding rod soil 2, epoxidized soybean oil 4, morpholine 2;
Preparation method is: by each mixing of materials, be heated to 105-110 DEG C, and stirring reaction 2-3 hour, grinding removes slag obtains.
The preparation method of high-temperature resistant silicone impregnating varnish, comprises the following steps: by maleic anhydride, ethylene glycol, FebruaryCinnamic acid dibutyl tin, cyanuric acid zinc, polyisobutene, rosin acid polyoxyethylene ester, vinyl three ('beta '-methoxy ethyoxyl) silane,Dimethylbenzene mixes, and is heated to 120-130 DEG C, and stirring reaction 2-3 hour, then, adds other residual components, insulated and stirred reaction3-4 hour, to obtain final product.
Curing process: smoke 3-5 hour at 110 ~ 150 DEG C;
It solidifies rear adhesion strength and is greater than 25N, and temperature classification is H level, and specific insulation is not less than 1 × 1014 Ω m,Sheet resistance is not less than 1 × 1014 Ω, and after immersion, specific insulation is not less than 1 × 1012 Ω m, and sheet resistance is not less than 1 ×1012 Ω. High temperature resistant, the high humidity of impregnating varnish energy of the present invention, electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can be long-termWork 200 DEG C, 220 DEG C of short-terms, have met designing requirement.
Claims (2)
1. a high-temperature resistant silicone impregnating varnish, is characterized in that being made up of the raw material of following weight portion:
Organic siliconresin 32-35, vinyl triamine 2-3, alkyd resins 6-8, ethyl acetate 10-12, E-12 epoxy resin 14-16, maleic anhydride 4-6, ethylene glycol 6-7, dibutyl tin laurate 2-3, cyanuric acid zinc 1-2, polyisobutene 4-5, rosinAcid polyoxyethylene ester 2-3, vinyl three ('beta '-methoxy ethyoxyl) silane 3-4, dimethylbenzene 35-38, film forming agent 4-5;
Described film forming agent is made up of the raw material of following weight portion: Silane coupling agent KH550 2-4,582-2 amino resins 16-21, polyisobutene 3-4, cobalt naphthenate 1-2, isopropyl distearyl acyl-oxygen base Aluminate 1-2, two ten four carbon alcohols ester 4-5, aluminium nitride1-2, nano-attapulgite 1-2, epoxidized soybean oil 4-5, morpholine 1-2;
The preparation method of film forming agent is: by each mixing of materials, be heated to 105-110 DEG C, and stirring reaction 2-3 hour, grinding is removed slagObtain.
2. the preparation method of high-temperature resistant silicone impregnating varnish according to claim 1, is characterized in that comprising the following steps:By maleic anhydride, ethylene glycol, dibutyl tin laurate, cyanuric acid zinc, polyisobutene, rosin acid polyoxyethylene ester, secondThiazolinyl three ('beta '-methoxy ethyoxyl) silane, dimethylbenzene mix, and are heated to 120-130 DEG C, and stirring reaction 2-3 hour, then, addsEnter other residual components, insulated and stirred reaction 3-4 hour, to obtain final product.
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| CN201310261595.1A CN103382366B (en) | 2013-06-27 | 2013-06-27 | A kind of high-temperature resistant silicone impregnating varnish and preparation method thereof |
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| CN201310261595.1A CN103382366B (en) | 2013-06-27 | 2013-06-27 | A kind of high-temperature resistant silicone impregnating varnish and preparation method thereof |
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| CN103382366A CN103382366A (en) | 2013-11-06 |
| CN103382366B true CN103382366B (en) | 2016-05-04 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409062A (en) * | 2013-07-02 | 2013-11-27 | 安徽联硕实业有限公司 | High-temperature-resistant organic silicon impregnating varnish and preparation method thereof |
| CN103725054A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Amino resin wire enamel and preparation method thereof |
| CN103694858A (en) * | 2013-11-29 | 2014-04-02 | 蚌埠市正园电子科技有限公司 | High temperature-resistant acid-resistant anti-corrosion priming paint |
| CN103694864A (en) * | 2013-11-29 | 2014-04-02 | 安徽祈艾特电子科技有限公司 | Heat-resisting waterproof organic silicone impregnating paint |
| CN103694867A (en) * | 2013-11-29 | 2014-04-02 | 蚌埠市正园电子科技有限公司 | Fire-resistant and weather-resistant metal protective insulating paint |
| CN104073158A (en) * | 2014-06-04 | 2014-10-01 | 乐凯特科技铜陵有限公司 | Not-easy-to-yellow conformal coating for printed circuit board |
| CN104194571B (en) * | 2014-09-25 | 2016-07-20 | 芜湖县双宝建材有限公司 | A kind of corrosion-resistant stamping enamel |
| CN105255361B (en) * | 2015-11-03 | 2017-12-12 | 株洲时代新材料科技股份有限公司 | A kind of silicone impregnating varnish and its preparation method and application |
| CN106010134B (en) * | 2016-08-04 | 2018-10-26 | 中国人民解放军第五七一九工厂 | A kind of over-heat metal bits signalling means protection coating materials and preparation method thereof |
| CN108300212A (en) * | 2017-12-21 | 2018-07-20 | 天津凯华绝缘材料股份有限公司 | A kind of impregnation enveloping material and preparation method thereof with exceptional overcoat pressure resistance |
| FR3076555B1 (en) * | 2018-01-11 | 2020-01-24 | Jafer Enterprises R&D Sl | SOLID POLYMERIC MATERIAL IMPREGNATED WITH A VOLATILE ORGANIC SUBSTANCE AND A PARTICULAR ESTER AND USES THEREOF |
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| CN101121861A (en) * | 2007-08-01 | 2008-02-13 | 株洲时代新材料科技股份有限公司 | Low-viscosity solvent-free organic silicon insulation impregnating varnish and preparation method thereof |
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| CN101649158A (en) * | 2009-08-25 | 2010-02-17 | 苏州大学 | Organosilicon insulating impregnating varnish and preparation method thereof |
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| JP3530938B2 (en) * | 2001-03-27 | 2004-05-24 | 独立行政法人産業技術総合研究所 | Heat-resistant resin composition containing silsesquioxane-based polymer, coating formed using the composition, and method of forming the coating |
| JP5695290B2 (en) * | 2007-09-20 | 2015-04-01 | 日揮触媒化成株式会社 | Method for preparing a coating solution for forming a silica-based film |
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| CN101121861A (en) * | 2007-08-01 | 2008-02-13 | 株洲时代新材料科技股份有限公司 | Low-viscosity solvent-free organic silicon insulation impregnating varnish and preparation method thereof |
| CN101381583A (en) * | 2008-10-20 | 2009-03-11 | 株洲时代新材料科技股份有限公司 | High heat conduction organosilicon dip varnish |
| CN101649158A (en) * | 2009-08-25 | 2010-02-17 | 苏州大学 | Organosilicon insulating impregnating varnish and preparation method thereof |
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