CN103756542B - A kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof - Google Patents
A kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof Download PDFInfo
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- CN103756542B CN103756542B CN201310640567.0A CN201310640567A CN103756542B CN 103756542 B CN103756542 B CN 103756542B CN 201310640567 A CN201310640567 A CN 201310640567A CN 103756542 B CN103756542 B CN 103756542B
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Abstract
The invention discloses a kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof, it is characterized in that, be made up of the raw material of following weight part: polyester polyol 12-15, phenol 1-2, isocaprylic acid zinc 2-3, cobalt naphthenate 3-4, Zinic stearas 4-5, diphenylmethanediisocyanate 2-3, nylon 12? 14-18, hydroxyethyl meth acrylate phosphoric acid ester 20-30, methyl acrylate 3-4, nano zine oxide 5-7, neopentyl glycol 2-3, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-120; After the polyurethane wire enamel of gained of the present invention coats enameled wire, welding slag can not be produced when scolding tin.
Description
Technical field
The present invention relates to a kind of wire enamel, especially a kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof.
Background technology
Enameled wire is a kind of electrical material, and it is at the high-strength insulating layer of a circular copper line surface processing thin layer, plays the effect with external insulation.The lousiness line also thinner than hair can be processed into, cotton covered wire thick as thumb by specification.Enameled wire has good insulation effect and waterproof ability.In electrical equipment, application is very extensive, as electric motor, and generator, water pump, electro-magnet, welding machine, household electrical appliance, cableless communication, loud speaker, tg, transformer etc.Wire enamel is the necessary insulating material 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, resistance to thermal level lower than the problems such as 120 DEG C, be difficult to the requirement meeting varying environment.Need to improve the formula of wire enamel and production technique, improve the performance of enamel-cover paint further, reduce its production cost.
Summary of the invention
Object of the present invention is just to provide a kind of transformer and uses straight weldering without polyurethane wire enamel of welding slag 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 transformer polyurethane wire enamel of straight weldering without welding slag, it is characterized in that, be made up of the raw material of following weight part (kilogram): polyester polyol 12-15, phenol 1-2, isocaprylic acid zinc 2-3, cobalt naphthenate 3-4, Zinic stearas 4-5, diphenylmethanediisocyanate 2-3, nylon 1214-18, hydroxyethyl meth acrylate phosphoric acid ester 20-30, methyl acrylate 3-4, nano zine oxide 5-7, neopentyl glycol 2-3, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-120;
Described auxiliary agent is made up of following raw materials in part by weight: nano mica powder 0.2-0.3, trolamine 1.2-1.3, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 2-3, hexamethylenetetramine 1-2, polyester acrylate 3-5, Viscoat 295 12-15, triethyl citrate 3-6, linking agent TAC1-2, Tenox PG 2-3, coix seed oil 1-2; Its preparation method is by polyester acrylate, Viscoat 295, triethyl citrate mixing, be heated to 60-70 DEG C, add linking agent TAC, Tenox PG, coix seed oil, stirring reaction 30-40 minute, add other remaining component again, continue stirring reaction 1-2 hour, to obtain final product.
Described transformer, is characterized in that comprising the following steps without the preparation method of the polyurethane wire enamel of welding slag with straight weldering:
(1), take dimethylbenzene, M-and P-cresols drops into and is uniformly mixed with in the reactor of agitator, be heated to 45-50 DEG C, add nylon 12, stir and be heated to 145-185 DEG C, after dissolving completely to nylon 12, add polyester polyol, isocaprylic acid zinc, neopentyl glycol, Zinic stearas, phenol again, insulation 5-6 hour;
(2), by step (1) reaction mass be cooled to 60-80 DEG C, add cobalt naphthenate, diphenylmethanediisocyanate, hydroxyethyl meth acrylate phosphoric acid ester, methyl acrylate, auxiliary agent, keep temperature, stirring reaction 1-2 hour;
(3), again add leftover materials, be warming up to 115-135 DEG C, continue stirring reaction 2-3 hour;
(4), cool material to 50-60 DEG C, be ground to 20-40 μm of slurry, filter and get final product.
The straight weldering of transformer of the present invention has following beneficial effect without the polyurethane wire enamel of welding slag: after the polyurethane wire enamel of gained coats enameled wire, can not welding slag be produced when scolding tin, solve polyurethane enamelled wire generation welding slag when straight weldering and cause technical problems such as " rosin joints ".
Embodiment
Described transformer is be made up of the raw material of following weight part (kilogram) with the straight polyurethane wire enamel welded without welding slag: polyester polyol 12, phenol 2, isocaprylic acid zinc 3, cobalt naphthenate 3, Zinic stearas 5, diphenylmethanediisocyanate 2, nylon 1214, hydroxyethyl meth acrylate phosphoric acid ester 30, methyl acrylate 3, nano zine oxide 5, neopentyl glycol 3, auxiliary agent 7, M-and P-cresols 80, dimethylbenzene 100;
Described auxiliary agent is made up of following weight part (kilogram) raw material: nano mica powder 0.2, trolamine 1.2, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 2, hexamethylenetetramine 2, polyester acrylate 5, Viscoat 295 12, triethyl citrate 3, linking agent TAC1, Tenox PG 2, coix seed oil 1; Its preparation method is by polyester acrylate, Viscoat 295, triethyl citrate mixing, be heated to 60-70 DEG C, add linking agent TAC, Tenox PG, coix seed oil, stirring reaction 30-40 minute, add other remaining component again, continue stirring reaction 1-2 hour, to obtain final product.
Preparation method comprises the following steps:
(1), take dimethylbenzene, M-and P-cresols drops into and is uniformly mixed with in the reactor of agitator, be heated to 45-50 DEG C, add nylon 12, stir and be heated to 145-185 DEG C, after dissolving completely to nylon 12, add polyester polyol, isocaprylic acid zinc, neopentyl glycol, Zinic stearas, phenol again, insulation 5-6 hour;
(2), by step (1) reaction mass be cooled to 60-80 DEG C, add cobalt naphthenate, diphenylmethanediisocyanate, hydroxyethyl meth acrylate phosphoric acid ester, methyl acrylate, auxiliary agent, keep temperature, stirring reaction 1-2 hour;
(3), again add leftover materials, be warming up to 115-135 DEG C, continue stirring reaction 2-3 hour;
(4), cool material to 50-60 DEG C, be ground to 20-40 μm of slurry, filter and get final product.
Compared with prior art, the enameled wire be made up without the polyurethane wire enamel of welding slag with straight weldering of transformer of the present invention can not produce welding slag when scolding tin, solves polyurethane enamelled wire generation welding slag when straight weldering and causes technical problems such as " rosin joints ".
Use paint wire rod main performance index of the present invention as follows:
1, tack is good;
2, temperature classification >=155 DEG C, thermal shocking reaches 180 DEG C of paint films and does not ftracture;
3, cohesive strength 14N/mm
2;
4, transformer oil resistant 1200 hours/105 DEG C, paint film is without damage.
Claims (2)
1. the transformer polyurethane wire enamel of straight weldering without welding slag, it is characterized in that, be made up of the raw material of following weight part: polyester polyol 12-15, phenol 1-2, isocaprylic acid zinc 2-3, cobalt naphthenate 3-4, Zinic stearas 4-5, diphenylmethanediisocyanate 2-3, nylon 1214-18, hydroxyethyl meth acrylate phosphoric acid ester 20-30, methyl acrylate 3-4, nano zine oxide 5-7, neopentyl glycol 2-3, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-120;
Described auxiliary agent is made up of following raw materials in part by weight: nano mica powder 0.2-0.3, trolamine 1.2-1.3, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 2-3, hexamethylenetetramine 1-2, polyester acrylate 3-5, Viscoat 295 12-15, triethyl citrate 3-6, linking agent TAC1-2, Tenox PG 2-3, coix seed oil 1-2; The preparation method of described auxiliary agent is by polyester acrylate, Viscoat 295, triethyl citrate mixing, be heated to 60-70 DEG C, add linking agent TAC, Tenox PG, coix seed oil, stirring reaction 30-40 minute, add other remaining component again, continue stirring reaction 1-2 hour, to obtain final product.
2. transformer according to claim 1 is with straight weldering without the preparation method of the polyurethane wire enamel of welding slag, it is characterized in that comprising the following steps:
(1), take dimethylbenzene, M-and P-cresols drops into and is uniformly mixed with in the reactor of agitator, be heated to 45-50 DEG C, add nylon 12, stir and be heated to 145-185 DEG C, after dissolving completely to nylon 12, add polyester polyol, isocaprylic acid zinc, neopentyl glycol, Zinic stearas, phenol again, insulation 5-6 hour;
(2), by step (1) reaction mass be cooled to 60-80 DEG C, add cobalt naphthenate, diphenylmethanediisocyanate, hydroxyethyl meth acrylate phosphoric acid ester, methyl acrylate, auxiliary agent, keep temperature, stirring reaction 1-2 hour;
(3), again add leftover materials, be warming up to 115-135 DEG C, continue stirring reaction 2-3 hour;
(4), cool material to 50-60 DEG C, be ground to 20-40 μm of slurry, filter and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310640567.0A CN103756542B (en) | 2013-12-04 | 2013-12-04 | A kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310640567.0A CN103756542B (en) | 2013-12-04 | 2013-12-04 | A kind of transformer uses straight weldering without polyurethane wire enamel of welding slag and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103756542A CN103756542A (en) | 2014-04-30 |
| CN103756542B true CN103756542B (en) | 2016-02-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105153836A (en) * | 2015-08-27 | 2015-12-16 | 天长市银狐漆业有限公司 | Water resistance and high-temperature resistance polyvinyl acetate emulsion coating |
| CN106280609A (en) * | 2016-08-23 | 2017-01-04 | 广安恒昌源电子科技有限公司 | A kind of computer data wire wrapping priming paint |
| CN108059853A (en) * | 2017-11-28 | 2018-05-22 | 安徽华天电缆有限公司 | A kind of composite hydrophobic wire enamel |
| CN108059854A (en) * | 2017-11-28 | 2018-05-22 | 安徽华天电缆有限公司 | A kind of composite transformer enameled wire |
| CN114230761B (en) * | 2021-11-26 | 2023-06-02 | 南通百川新材料有限公司 | Auxiliary agent for improving bonding strength of self-adhesive wire enamel and preparation method thereof |
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| CN1394926A (en) * | 2002-07-16 | 2003-02-05 | 南京大学 | H-grade low-temp. beading polyurethane paint wire-covering paint |
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| JPS52123432A (en) * | 1976-04-09 | 1977-10-17 | Hitachi Chem Co Ltd | Insulating coating |
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Address after: 244000 Private Industrial Park, Tongling Bridge Economic Development Zone, Anhui, Tongling Patentee after: Tongling Sanjia transformer Polytron Technologies Inc Address before: 244000 Anhui province Tongling suburb Bridge Economic Development Private Industrial Park Patentee before: Tongling Sanjia Transformer Co., Ltd. |
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