CN103642358A - Epoxy dipping resin and preparation method - Google Patents
Epoxy dipping resin and preparation method Download PDFInfo
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- CN103642358A CN103642358A CN201310568557.0A CN201310568557A CN103642358A CN 103642358 A CN103642358 A CN 103642358A CN 201310568557 A CN201310568557 A CN 201310568557A CN 103642358 A CN103642358 A CN 103642358A
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Abstract
The invention relates to an epoxy dipping resin and a preparation method, and the epoxy dipping resin comprises the following raw materials by weight: 32-55 parts of E-44 epoxy resin, 12-14 parts of terpolycyantoamino-formaldehyde resin, 2-3 parts of benzene dimethylamine trimer, 6-8 parts of phthalic anhydride, 1-2 parts of hydroquinone, 1-2 parts of tert-butyl hydroperoxide, 8-10 parts of methyltrichlorosilane, 1-2 parts of methyl tin mercaptide, 5-7 parts of styrene, 3-4 parts of vinyl carboxylate, 1-2 parts of nitrodracylic acid, 40-45 parts of xylene and 4-5 parts of film forming agent. The impregnating varnish has the characteristics of high temperature resistance, high moisture resistance, good electrical isolation performance, good toughness and high heatproof grade. The mechanical strength is high, the thermal conductivity is improved, the long-term work can be carried out at 200 DEG C, and short period work can be carried out at 220 DEG C. The epoxy dipping resin can be used for the insulation systems of a motor train unit motor and a metro motor with high heatproof grade requirement.
Description
Technical field
The invention belongs to insulating material field, relate to a kind of epoxy impregnation resin 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 as matrix resin, acid anhydrides, to be solidifying agent by epoxy resin.But the temperature resistant grade of this system cured product and toughness are not enough, need to carry out modification to epoxy anhydride impregnating varnish system, are the requirements that impregnating varnish system cured article meets temperature resistant grade and mechanical property simultaneously.
Summary of the invention
The object of this invention is to provide a kind of epoxy impregnation resin and preparation method thereof.
Technical scheme of the present invention is as follows:
An epoxy impregnation resin, is characterized in that being made by the raw material of following weight part:
E-44 epoxy resin 32-35, terpolycyantoamino-formaldehyde resin 12-14, benzene dimethylamine tripolymer 2-3, Tetra hydro Phthalic anhydride 6-8, Resorcinol 1-2, tertbutyl peroxide 1-2, METHYL TRICHLORO SILANE 8-10, Methyl stannum mercaptide 1-2, vinylbenzene 5-7, vinyl carboxylate 3-4, p-nitrobenzoic acid 1-2, dimethylbenzene 40-45, membrane-forming agent 4-5.
Described membrane-forming agent is made by the raw material of following weight part: Silane coupling agent KH550 2-4,582-2 aminoresin 16-21, polyisobutene 3-4, cobalt naphthenate 1-2, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, two ten four carbon alcohols ester 4-5, aluminium nitride 1-2, nano-attapulgite 1-2, epoxy soybean oil 4-5, morpholine 1-2;
Preparation method is: by each mixing of materials, be heated to 105-110 ℃, and stirring reaction 2-3 hour, grinding removes slag obtains.
The preparation method of described epoxy impregnation resin, it is characterized in that comprising the following steps: Tetra hydro Phthalic anhydride, Resorcinol, METHYL TRICHLORO SILANE, Methyl stannum mercaptide, vinylbenzene, vinyl carboxylate, p-nitrobenzoic acid, dimethylbenzene are mixed, be heated to 100-110 ℃, drip tertbutyl peroxide, stirring reaction 2-3 hour, then, add other remaining component, be warming up to 130-145 ℃, continue to stir 3-4 hour, obtain.
High temperature resistant, the high humidity of impregnating varnish energy of the present invention, electrical insulation capability is good, good toughness, temperature resistant grade is high.Physical strength is high, has improved thermal conductivity, can long term operation 200 ℃, 220 ℃ of short-terms, the present invention can be used for EMUs motor, the insulation systems high to temperature resistant grade requirement such as iron machine.
Embodiment
An epoxy impregnation resin, by the raw material of following weight part (kilogram) make:
E-44 epoxy resin 35, terpolycyantoamino-formaldehyde resin 14, benzene dimethylamine tripolymer 3, Tetra hydro Phthalic anhydride 8, Resorcinol 2, tertbutyl peroxide 2, METHYL TRICHLORO SILANE 10, Methyl stannum mercaptide 2, vinylbenzene 5, vinyl carboxylate 3, p-nitrobenzoic acid 2, dimethylbenzene 45, membrane-forming agent 5.
Described membrane-forming agent is made by the raw material of following weight part: Silane coupling agent KH550 4,582-2 aminoresin 16, polyisobutene 4, cobalt naphthenate 2, sec.-propyl distearyl acyl-oxygen base Aluminate 2, two ten four carbon alcohols esters 5, aluminium nitride 2, nano-attapulgite 2, epoxy soybean oil 4, morpholine 2;
Preparation method is: by each mixing of materials, be heated to 105-110 ℃, and stirring reaction 2-3 hour, grinding removes slag obtains.
The preparation method of epoxy impregnation resin, comprise the following steps: Tetra hydro Phthalic anhydride, Resorcinol, METHYL TRICHLORO SILANE, Methyl stannum mercaptide, vinylbenzene, vinyl carboxylate, p-nitrobenzoic acid, dimethylbenzene are mixed, be heated to 100-110 ℃, drip tertbutyl peroxide, stirring reaction 2-3 hour, then, add other remaining component, be warming up to 130-145 ℃, continue to stir 3-4 hour, obtain.
Curing process: smoke 3-5 hour at 110 ~ 150 ℃;
It solidifies rear cohesive strength and is greater than 25N, and temperature classification is H level, and volume specific resistance is not less than 1 * 1014 Ω m, and surface resistivity is not less than 1 * 1014 Ω, and after immersion, volume specific resistance is not less than 1 * 1012 Ω m, and surface resistivity 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 physical strength is high, has improved thermal conductivity, can long term operation 200 ℃, and 220 ℃ of short-terms, have met design requirements.
Claims (2)
1. an epoxy impregnation resin, is characterized in that being made by the raw material of following weight part:
E-44 epoxy resin 32-35, terpolycyantoamino-formaldehyde resin 12-14, benzene dimethylamine tripolymer 2-3, Tetra hydro Phthalic anhydride 6-8, Resorcinol 1-2, tertbutyl peroxide 1-2, METHYL TRICHLORO SILANE 8-10, Methyl stannum mercaptide 1-2, vinylbenzene 5-7, vinyl carboxylate 3-4, p-nitrobenzoic acid 1-2, dimethylbenzene 40-45, membrane-forming agent 4-5
Described membrane-forming agent is made by the raw material of following weight part: Silane coupling agent KH550 2-4,582-2 aminoresin 16-21, polyisobutene 3-4, cobalt naphthenate 1-2, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, two ten four carbon alcohols ester 4-5, aluminium nitride 1-2, nano-attapulgite 1-2, epoxy soybean oil 4-5, morpholine 1-2;
Preparation method is: by each mixing of materials, be heated to 105-110 ℃, and stirring reaction 2-3 hour, grinding removes slag obtains.
2. the preparation method of epoxy impregnation resin according to claim 1, it is characterized in that comprising the following steps: Tetra hydro Phthalic anhydride, Resorcinol, METHYL TRICHLORO SILANE, Methyl stannum mercaptide, vinylbenzene, vinyl carboxylate, p-nitrobenzoic acid, dimethylbenzene are mixed, be heated to 100-110 ℃, drip tertbutyl peroxide, stirring reaction 2-3 hour, then, add other remaining component, be warming up to 130-145 ℃, continue to stir 3-4 hour, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568557.0A CN103642358A (en) | 2013-11-15 | 2013-11-15 | Epoxy dipping resin and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568557.0A CN103642358A (en) | 2013-11-15 | 2013-11-15 | Epoxy dipping resin and preparation method |
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| Publication Number | Publication Date |
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| CN103642358A true CN103642358A (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310568557.0A Pending CN103642358A (en) | 2013-11-15 | 2013-11-15 | Epoxy dipping resin and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004445A (en) * | 2014-04-25 | 2014-08-27 | 安徽祈艾特电子科技有限公司 | Switch cabinet finish and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054494A (en) * | 2006-04-13 | 2007-10-17 | 王瑞明 | Method of producing epoxy resin antisepsis coating |
| CN102408818A (en) * | 2011-09-21 | 2012-04-11 | 谢利荣 | Magnetic iron oxide epoxy primer |
| CN103382319A (en) * | 2013-06-27 | 2013-11-06 | 马鞍山采石矶涂料有限公司 | Epoxy impregnated resin and preparation method thereof |
-
2013
- 2013-11-15 CN CN201310568557.0A patent/CN103642358A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054494A (en) * | 2006-04-13 | 2007-10-17 | 王瑞明 | Method of producing epoxy resin antisepsis coating |
| CN102408818A (en) * | 2011-09-21 | 2012-04-11 | 谢利荣 | Magnetic iron oxide epoxy primer |
| CN103382319A (en) * | 2013-06-27 | 2013-11-06 | 马鞍山采石矶涂料有限公司 | Epoxy impregnated resin and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004445A (en) * | 2014-04-25 | 2014-08-27 | 安徽祈艾特电子科技有限公司 | Switch cabinet finish and preparation method thereof |
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Application publication date: 20140319 |