CN103409030B - A kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof - Google Patents
A kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof Download PDFInfo
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- CN103409030B CN103409030B CN201310272446.5A CN201310272446A CN103409030B CN 103409030 B CN103409030 B CN 103409030B CN 201310272446 A CN201310272446 A CN 201310272446A CN 103409030 B CN103409030 B CN 103409030B
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Abstract
A kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof, is characterized in that being made up of the raw material of following weight part: 582-2 aminoresin 32-35, unsaturated polyester resin 3-4, silicone resin 5-7, calcium naphthenate 2-3, dimethylbenzene 20-24, methylethylketone 4-5, tetraethylene pentamine 2-3, MALEIC ANHYDRIDE 4-6, Mono-n-butyltin 1-2, peroxidized t-butyl perbenzoate 1-2, divinyl 6-9, polypropylene glycol acrylate 4-5, alkylphenol polyoxyethylene phosphoric acid ester 9-10, membrane-forming agent 4-5.The present invention's life-time service non yellowing, non-foaming in high temperature environments, can be widely used in the varnished insulation of the electric apparatus coils such as middle and small motor coil, transformer, rectifier.
Description
Technical field
The invention belongs to insulating material field, relate to a kind of impregnating varnish, especially a kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof.
Background technology
Motor, transformer, wire etc. are produced and are generally adopted pressure impregnation technique.Cool after workpiece preliminary drying being removed tide, be placed in vacuum environment, get rid of inner air and volatile matter, rely in vacuum the effect of painting liquid gravity, applying certain pressure, make 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 solidifying agent by epoxy resin as matrix resin, acid anhydrides.But the temperature resistant grade of this system cured product and toughness deficiency, needing to carry out modification to epoxy anhydride impregnating varnish system, is the requirement 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 high temperature resistant aminoresin impregnating varnish and preparation method thereof.
Technical scheme of the present invention is as follows:
A kind of high temperature resistant aminoresin impregnating varnish, is characterized in that being made up of the raw material of following weight part:
582-2 aminoresin 32-35, unsaturated polyester resin 3-4, silicone resin 5-7, calcium naphthenate 2-3, dimethylbenzene 20-24, methylethylketone 4-5, tetraethylene pentamine 2-3, MALEIC ANHYDRIDE 4-6, Mono-n-butyltin 1-2, peroxidized t-butyl perbenzoate 1-2, divinyl 6-9, polypropylene glycol acrylate 4-5, alkylphenol polyoxyethylene phosphoric acid ester 9-10, membrane-forming agent 4-5.
Described membrane-forming agent is made up of the raw material of following weight part: phenyl triethoxysilane 1-2, anilinomethyl triethoxysilane 1-2, ferrocene 2-3, aluminium nitride 1-2, nano-attapulgite 1-2, epoxy soybean oil 4-5, morpholine 1-2, polyisobutene 3-4;
Preparation method is: by each mixing of materials, be heated to 105-110 DEG C, stirring reaction 2-3 hour, and grinding is removed slag and obtained.
The preparation method of described high temperature resistant aminoresin impregnating varnish, it is characterized in that comprising the following steps: by divinyl 6-9, polypropylene glycol acrylate 4-5, alkylphenol polyoxyethylene phosphoric acid ester, methylethylketone, tetraethylene pentamine, MALEIC ANHYDRIDE, dimethylbenzene mixing, be heated to 100-105 DEG C, drip peroxidized t-butyl perbenzoate, stirring reaction 1-2 hour, then, adds other remaining component, continue stirring reaction 2-3 hour, to obtain final product.
The present invention's life-time service non yellowing, non-foaming in high temperature environments, shock strength is greater than 50Kg/cm, and insulation grade anti-corrosion is high, can be widely used in the varnished insulation of the electric apparatus coils such as middle and small motor coil, transformer, rectifier.
Embodiment
A kind of high temperature resistant aminoresin impregnating varnish, be made up of the raw material (kilogram) of following weight part:
582-2 aminoresin 35, unsaturated polyester resin 4, silicone resin 7, calcium naphthenate 3, dimethylbenzene 20, methylethylketone 5, tetraethylene pentamine 3, MALEIC ANHYDRIDE 6, Mono-n-butyltin 2, peroxidized t-butyl perbenzoate 1, divinyl 9, polypropylene glycol acrylate 5, alkylphenol polyoxyethylene phosphoric acid ester 9, membrane-forming agent 4.
Described membrane-forming agent is made up of the raw material of following weight part: phenyl triethoxysilane 2, anilinomethyl triethoxysilane 2, ferrocene 2, aluminium nitride 1, nano-attapulgite 2, epoxy soybean oil 5, morpholine 1, polyisobutene 4;
Preparation method is: by each mixing of materials, be heated to 105-110 DEG C, stirring reaction 2-3 hour, and grinding is removed slag and obtained.
The preparation method of high temperature resistant aminoresin impregnating varnish, comprise the following steps: by divinyl 6-9, polypropylene glycol acrylate 4-5, alkylphenol polyoxyethylene phosphoric acid ester, methylethylketone, tetraethylene pentamine, MALEIC ANHYDRIDE, dimethylbenzene mixing, be heated to 100-105 DEG C, drip peroxidized t-butyl perbenzoate, stirring reaction 1-2 hour, then, adds other remaining component, continue stirring reaction 2-3 hour, to obtain final product.
Curing process: smoke 3-5 hour at 110 ~ 150 DEG C;
After its solidification, cohesive strength 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, improves thermal conductivity, can long term operation 200 DEG C, and short-term 220 DEG C, meets design requirements.
Claims (2)
1. a high temperature resistant aminoresin impregnating varnish, is characterized in that being made up of the raw material of following weight part:
582-2 aminoresin 32-35, unsaturated polyester resin 3-4, silicone resin 5-7, calcium naphthenate 2-3, dimethylbenzene 20-24, methylethylketone 4-5, tetraethylene pentamine 2-3, MALEIC ANHYDRIDE 4-6, Mono-n-butyltin 1-2, peroxidized t-butyl perbenzoate 1-2, divinyl 6-9, polypropylene glycol acrylate 4-5, alkylphenol polyoxyethylene phosphoric acid ester 9-10, membrane-forming agent 4-5;
Described membrane-forming agent is made up of the raw material of following weight part: phenyl triethoxysilane 1-2, anilinomethyl triethoxysilane 1-2, ferrocene 2-3, aluminium nitride 1-2, nano-attapulgite 1-2, epoxy soybean oil 4-5, morpholine 1-2, polyisobutene 3-4;
The preparation method of this membrane-forming agent is: by each mixing of materials, be heated to 105-110 DEG C, stirring reaction 2-3 hour, and grinding is removed slag and obtained.
2. the preparation method of high temperature resistant aminoresin impregnating varnish according to claim 1, is characterized in that comprising the following steps:
By divinyl, polypropylene glycol acrylate, alkylphenol polyoxyethylene phosphoric acid ester, methylethylketone, tetraethylene pentamine, MALEIC ANHYDRIDE, dimethylbenzene mixing, be heated to 100-105 DEG C, drip peroxidized t-butyl perbenzoate, stirring reaction 1-2 hour, then, add other remaining component, continue stirring reaction 2-3 hour, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310272446.5A CN103409030B (en) | 2013-07-02 | 2013-07-02 | A kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof |
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| CN201310272446.5A CN103409030B (en) | 2013-07-02 | 2013-07-02 | A kind of high temperature resistant aminoresin impregnating varnish and preparation method thereof |
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| CN103409030A CN103409030A (en) | 2013-11-27 |
| CN103409030B true CN103409030B (en) | 2015-11-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103709888A (en) * | 2013-12-07 | 2014-04-09 | 铜陵新九鼎铜文化产业有限公司 | Radiation resistant and anti-aging amino resin paint for copper sculptures |
| 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 |
| CN105440876A (en) * | 2015-12-07 | 2016-03-30 | 铜陵市明诚铸造有限责任公司 | Anticorrosive metal primer |
Citations (3)
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| CN101186779A (en) * | 2007-12-10 | 2008-05-28 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN101921535A (en) * | 2010-09-14 | 2010-12-22 | 吉林大学 | Waterproof flame-retardant quick-drying semitransparent unsaturated polyester insulating paint and preparation method thereof |
| CN102634000A (en) * | 2012-04-27 | 2012-08-15 | 郑州大学 | Block type polyester dispersant and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5503121B2 (en) * | 2008-07-03 | 2014-05-28 | 古河電気工業株式会社 | Insulating paint and insulated wires |
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2013
- 2013-07-02 CN CN201310272446.5A patent/CN103409030B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186779A (en) * | 2007-12-10 | 2008-05-28 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN101921535A (en) * | 2010-09-14 | 2010-12-22 | 吉林大学 | Waterproof flame-retardant quick-drying semitransparent unsaturated polyester insulating paint and preparation method thereof |
| CN102634000A (en) * | 2012-04-27 | 2012-08-15 | 郑州大学 | Block type polyester dispersant and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
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| 无溶剂绝缘浸渍漆的研究进展;邓青山等;《湖南工业大学学报》;20110930;第25卷(第5期);9-13 * |
| 耐高温无溶剂绝缘浸渍漆的研究进展;左瑞霖等;《绝缘材料》;20020430(第2期);26-33 * |
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