CN103382347B - A kind of high temperature resisting dipping paint and preparation method thereof - Google Patents
A kind of high temperature resisting dipping paint and preparation method thereof Download PDFInfo
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- CN103382347B CN103382347B CN201310261804.2A CN201310261804A CN103382347B CN 103382347 B CN103382347 B CN 103382347B CN 201310261804 A CN201310261804 A CN 201310261804A CN 103382347 B CN103382347 B CN 103382347B
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Abstract
A kind of high temperature resisting dipping paint and preparation method thereof, is characterized in that being made up of the raw material of following weight portion: aniline-formaldehyde resin 30-34, dimethyldichlorosilane 5-7, acrylonitrile 4-5, butadiene 2-3, phthalic anhydride 3-4, boric acid 1-2, dimethylbenzene 20-23, cobalt naphthenate 4-5, TEPA 2-3, peroxidating trimethylacetic acid tert-butyl ester 1-2, OPEO 3-4,2-aminoethyl 17 alkenyl imidazoline 1-2, diatomite 4-5, film forming agent 4-5. Impregnating varnish of the present invention can be high temperature resistant, high humidity, corrosion-resistant soda acid, anti-salt fog, and electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can long-term work 200 DEG C, and 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 resisting dipping paint and preparation method thereof.
Background technology
The productions such as motor, transformer, wire generally adopt pressure impregnation technique. Go tide rear cooling workpiece preliminary drying, be placed in vacuum environment, get rid of inner air and volatile matter, rely in vacuum and paint liquid gravity, apply the effect of certain pressure, make to paint liquid rapid permeability and be 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 the temperature resistant grade of this system cured product and toughness deficiency, need to carry out modification to epoxy anhydride impregnating varnish system, is the requirement that impregnating varnish system solidfied material meets temperature resistant grade and mechanical performance simultaneously.
Summary of the invention
The object of this invention is to provide a kind of high temperature resisting dipping paint and preparation method thereof.
Technical scheme of the present invention is as follows:
A kind of high temperature resisting dipping paint, is characterized in that being made up of the raw material of following weight portion:
Aniline-formaldehyde resin 30-34, dimethyldichlorosilane 5-7, acrylonitrile 4-5, butadiene 2-3, phthalic anhydride 3-4, boric acid 1-2, dimethylbenzene 20-23, cobalt naphthenate 4-5, TEPA 2-3, peroxidating trimethylacetic acid tert-butyl ester 1-2, OPEO 3-4,2-aminoethyl 17 alkenyl imidazoline 1-2, diatomite 4-5, 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 nitride 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 resisting dipping paint, it is characterized in that comprising the following steps: dimethyldichlorosilane, acrylonitrile, butadiene, phthalic anhydride, boric acid, dimethylbenzene are mixed, be heated to 80-90 DEG C, drip the peroxidating trimethylacetic acid tert-butyl ester, stirring reaction 1-2 hour, then, add other residual components, be heated to 125-130 DEG C, continue stir 2-3 hour, cooling after and get final product.
Impregnating varnish of the present invention can be high temperature resistant, high humidity, corrosion-resistant soda acid, anti-salt fog, and diatomite has heat-absorbing action, and electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can long-term work 220 DEG C, and 240 DEG C of short-terms, have met designing requirement.
Detailed description of the invention
A kind of high temperature resisting dipping paint, by the raw material of following weight portion (kilogram) make:
Aniline-formaldehyde resin 34, dimethyldichlorosilane 7, acrylonitrile 5, butadiene 3, phthalic anhydride 4, boric acid 1, dimethylbenzene 23, cobalt naphthenate 5, TEPA 3, the peroxidating trimethylacetic acid tert-butyl ester 2, OPEO 3,2-aminoethyl 17 alkenyl imidazolines 2, diatomite 4, 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 resins 16, polyisobutene 4, cobalt naphthenate 2, isopropyl distearyl acyl-oxygen base Aluminate 2, two ten four carbon alcohols esters 5, aluminium nitride 2, nano-attapulgite 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 resisting dipping paint, comprise the following steps: dimethyldichlorosilane, acrylonitrile, butadiene, phthalic anhydride, boric acid, dimethylbenzene are mixed, be heated to 80-90 DEG C, drip the peroxidating trimethylacetic acid tert-butyl ester, stirring reaction 1-2 hour, then, add other residual components, be heated to 125-130 DEG C, continue stir 2-3 hour, cooling after and get 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, and 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. Impregnating varnish of the present invention can high temperature resistant, high humidity, and electrical insulation capability is good, and mechanical strength is high, has improved thermal conductivity, can long-term work 220 DEG C, and 240 DEG C of short-terms, have met designing requirement.
Claims (2)
1. a high temperature resisting dipping paint, is characterized in that being made up of the raw material of following weight portion:
Aniline-formaldehyde resin 30-34, dimethyldichlorosilane 5-7, acrylonitrile 4-5, butadiene 2-3, phthalic anhydride 3-4, boric acid 1-2, dimethylbenzene 20-23, cobalt naphthenate 4-5, TEPA 2-3, peroxidating trimethylacetic acid tert-butyl ester 1-2, OPEO 3-4,2-aminoethyl 17 alkenyl imidazoline 1-2, diatomite 4-5, 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 nitride 1-2, 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 removes slag obtains.
2. the preparation method of high temperature resisting dipping paint according to claim 1, is characterized in that comprising the following steps:
Dimethyldichlorosilane, acrylonitrile, butadiene, phthalic anhydride, boric acid, dimethylbenzene are mixed, be heated to 80-90 DEG C, drip the peroxidating trimethylacetic acid tert-butyl ester, stirring reaction 1-2 hour, then, add other residual components, be heated to 125-130 DEG C, continue stir 2-3 hour, cooling after and get final product.
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| CN201310261804.2A CN103382347B (en) | 2013-06-27 | 2013-06-27 | A kind of high temperature resisting dipping paint and preparation method thereof |
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| CN201310261804.2A CN103382347B (en) | 2013-06-27 | 2013-06-27 | A kind of high temperature resisting dipping paint and preparation method thereof |
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| CN103382347A CN103382347A (en) | 2013-11-06 |
| CN103382347B true CN103382347B (en) | 2016-05-04 |
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| CN103409031A (en) * | 2013-07-02 | 2013-11-27 | 安徽联硕实业有限公司 | High-temperature-resistant impregnating varnish and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| CN1298185A (en) * | 2000-02-22 | 2001-06-06 | 株洲时代电器铸件有限公司 | Non-inflammable insulating material and its making process |
| CN101381584A (en) * | 2008-10-20 | 2009-03-11 | 株洲时代新材料科技股份有限公司 | Organosilicon solvent-free dip varnish by modification of nano material and preparation method thereof |
| CN101560351A (en) * | 2009-02-25 | 2009-10-21 | 河北晨阳工贸集团有限公司 | Corrosion proof impregnating varnish used for water-based metal components and manufacturing method thereof |
| CN101921529A (en) * | 2010-08-18 | 2010-12-22 | 东华大学 | Heat-resistant solvent-free immersion paint and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298185A (en) * | 2000-02-22 | 2001-06-06 | 株洲时代电器铸件有限公司 | Non-inflammable insulating material and its making process |
| CN101381584A (en) * | 2008-10-20 | 2009-03-11 | 株洲时代新材料科技股份有限公司 | Organosilicon solvent-free dip varnish by modification of nano material and preparation method thereof |
| CN101560351A (en) * | 2009-02-25 | 2009-10-21 | 河北晨阳工贸集团有限公司 | Corrosion proof impregnating varnish used for water-based metal components and manufacturing method thereof |
| CN101921529A (en) * | 2010-08-18 | 2010-12-22 | 东华大学 | Heat-resistant solvent-free immersion paint and preparation method thereof |
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