CN103725190A - Benzimidazole wire enamel and preparation method thereof - Google Patents
Benzimidazole wire enamel and preparation method thereof Download PDFInfo
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- CN103725190A CN103725190A CN201310598805.6A CN201310598805A CN103725190A CN 103725190 A CN103725190 A CN 103725190A CN 201310598805 A CN201310598805 A CN 201310598805A CN 103725190 A CN103725190 A CN 103725190A
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Abstract
The invention discloses benzimidazole wire enamel which is prepared from raw materials in parts (kilogram) by weight as follows: 20-24 parts of nylon 12, 3-4 parts of distearoyl isopropoxy aluminate, 6-8 parts of polyisobutene, 5-7 parts of 2-(4- aminophenyl)-5-aminobenzimidazole,2,2-bis(3- amino-4- hydroxycyclohexyl phenyl) hexafluoropropane, 4-6 parts of maleic anhydride, 3-5 parts of zinc borate, 3-4 parts of Nano-TiO2, 2-3 parts of triethyl O-acetylcitrate, 5-7 parts of talcum powder, 15-18 parts of hydroxyl silicone oil, 4-6 parts of ferroferric oxide, 7-9 parts of auxiliaries, 80-90 parts of cresol and 100-110 parts of dimethylbenzene. The wire enamel has characteristics of good adherence, few pin holes and good heat resistance, a paint film is smooth, and severe environment resistance is achieved.
Description
Technical field
The present invention relates to a kind of wire enamel, especially a kind of benzimidazole type wire enamel 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.By specification, can be processed into than hair thin lousiness line also, as thick cotton covered wire as thumb.Enameled wire has good insulation effect and waterproof ability.Aspect electrical equipment application very extensive, as electric motor, generator, water pump, electro-magnet, welding machine, household electrical appliance, cableless communication, loud speaker, tg, transformer etc.Wire enamel is the necessary insulating material of 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, heat-resisting level be lower than the problems such as 120 ℃, is difficult to meet the requirement of varying environment.Need to improve the formula of wire enamel and production technique, further improve the performance of enamel-cover paint, reduce its production cost.
Summary of the invention
Object of the present invention is just to provide a kind of benzimidazole type wire enamel 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 benzimidazole type wire enamel, it is characterized in that, by following weight part (kilogram) raw material make: nylon 12 20-24, sec.-propyl distearyl acyl-oxygen base Aluminate 3-4, polyisobutene 6-8,2-(4-aminophenyl)-5-aminobenzimidazole 1-2,2, two (3-amino-4-hydroxylphenyl) the HFC-236fa 5-7 of 2-, maleic anhydride 4-6, zinc borate 3-5, nano titanium oxide 3-4, acetyl triethyl citrate 2-3, talcum powder 5-7, hydroxy silicon oil 15-18, Z 250 4-6, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-110;
Described auxiliary agent is made by following raw materials in part by weight: nano mica powder 0.2-0.3, polyacrylamide 1-2, methyltrimethoxy silane 3-4, silane coupling agent KH560 2-3, aminoresin 4-5, β-dimethyl-aminoethylmethacrylate 3-4, alcohol ester 12 film coalescence aid 1-2, acetone 5-7, triethyl citrate 5-10, Tenox PG 2-3, coix seed oil 1-2; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
The preparation method of described benzimidazole type wire enamel, is characterized in that comprising the following steps:
(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-50 ℃, add nylon 12, stir and be heated to 140-190 ℃, after dissolving completely to nylon 12, add again two (3-amino-4-hydroxylphenyl) HFC-236fa of 2,2-, maleic anhydride, zinc borate, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 65-75 ℃, add hydroxy silicon oil, sec.-propyl distearyl acyl-oxygen base Aluminate, acetyl triethyl citrate, 2-(4-aminophenyl)-5-aminobenzimidazole, nano titanium oxide, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 90-130 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
The present invention has following beneficial effect: it is good that wire enamel of the present invention has adherence, and pin hole is few, the feature of good heat resistance, and paint film is smooth, adverse environment resistant.
Embodiment
Described benzimidazole type wire enamel be by following weight part (kilogram) raw material make: nylon 12 20, sec.-propyl distearyl acyl-oxygen base Aluminate 4, polyisobutene 6,2-(4-aminophenyl)-5-aminobenzimidazole 1,2, two (3-amino-4-hydroxylphenyl) HFC-236fa 5 of 2-, maleic anhydride 4, zinc borate 5, nano titanium oxide 3, acetyl triethyl citrate 2, talcum powder 5, hydroxy silicon oil 15, Z 250 4, auxiliary agent 7, M-and P-cresols 80, dimethylbenzene 100;
Described auxiliary agent by following weight part (kilogram) raw material makes: nano mica powder 0.2, polyacrylamide 2, methyltrimethoxy silane 4, silane coupling agent KH560 2, aminoresin 4, β-dimethyl-aminoethylmethacrylate 3, alcohol ester 12 film coalescence aid 1, acetone 5, triethyl citrate 5, Tenox PG 2, coix seed oil 2; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
Preparation method comprises the following steps:
(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-50 ℃, add nylon 12, stir and be heated to 140-190 ℃, after dissolving completely to nylon 12, add again two (3-amino-4-hydroxylphenyl) HFC-236fa of 2,2-, maleic anhydride, zinc borate, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 65-75 ℃, add hydroxy silicon oil, sec.-propyl distearyl acyl-oxygen base Aluminate, acetyl triethyl citrate, 2-(4-aminophenyl)-5-aminobenzimidazole, nano titanium oxide, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 90-130 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
Use paint of the present invention wire rod main performance index processed as follows:
1, tack is good;
2, temperature classification >=200 ℃, thermal shocking reaches 220 ℃ of paint films and does not ftracture;
3, cohesive strength 15N/mm
2;
4, transformer oil resistant is 1200 hours/105 ℃, and paint film is without damage.
Claims (3)
1. a benzimidazole type wire enamel, it is characterized in that, by following weight part (kilogram) raw material make: nylon 12 20-24, sec.-propyl distearyl acyl-oxygen base Aluminate 3-4, polyisobutene 6-8,2-(4-aminophenyl)-5-aminobenzimidazole 1-2,2, two (3-amino-4-hydroxylphenyl) the HFC-236fa 5-7 of 2-, maleic anhydride 4-6, zinc borate 3-5, nano titanium oxide 3-4, acetyl triethyl citrate 2-3, talcum powder 5-7, hydroxy silicon oil 15-18, Z 250 4-6, auxiliary agent 7-9, M-and P-cresols 80-90, dimethylbenzene 100-110.
2. auxiliary agent according to claim 1 is made by following raw materials in part by weight: nano mica powder 0.2-0.3, polyacrylamide 1-2, methyltrimethoxy silane 3-4, silane coupling agent KH560 2-3, aminoresin 4-5, β-dimethyl-aminoethylmethacrylate 3-4, alcohol ester 12 film coalescence aid 1-2, acetone 5-7, triethyl citrate 5-10, Tenox PG 2-3, coix seed oil 1-2; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.
3. the preparation method of benzimidazole type wire enamel according to claim 1, is characterized in that comprising the following steps:
(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-50 ℃, add nylon 12, stir and be heated to 140-190 ℃, after dissolving completely to nylon 12, add again two (3-amino-4-hydroxylphenyl) HFC-236fa of 2,2-, maleic anhydride, zinc borate, insulation 4-5 hour;
(2), step (1) reaction mass is cooled to 65-75 ℃, add hydroxy silicon oil, sec.-propyl distearyl acyl-oxygen base Aluminate, acetyl triethyl citrate, 2-(4-aminophenyl)-5-aminobenzimidazole, nano titanium oxide, auxiliary agent, keep temperature, stirring reaction 2-3 hour;
(3) add leftover materials, again, be warming up to 90-130 ℃, continue stirring reaction 2-3 hour;
(4), cooling material is to 50-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598805.6A CN103725190A (en) | 2013-11-25 | 2013-11-25 | Benzimidazole wire enamel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598805.6A CN103725190A (en) | 2013-11-25 | 2013-11-25 | Benzimidazole wire enamel and preparation method thereof |
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| CN103725190A true CN103725190A (en) | 2014-04-16 |
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| CN201310598805.6A Pending CN103725190A (en) | 2013-11-25 | 2013-11-25 | Benzimidazole wire enamel and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3973227B2 (en) * | 2006-11-13 | 2007-09-12 | 第一工業製薬株式会社 | Water-based polyurethane resin composition |
| CN102676046A (en) * | 2012-06-05 | 2012-09-19 | 东华大学 | Self-lubricating polyimide wire enamel and preparation method thereof |
| CN102676047A (en) * | 2012-06-05 | 2012-09-19 | 东华大学 | Self-lubricating wire enamel and preparing method thereof |
| CN103102796A (en) * | 2013-01-10 | 2013-05-15 | 东华大学 | Benzimidazole polyimide wire enamel and preparation method thereof |
-
2013
- 2013-11-25 CN CN201310598805.6A patent/CN103725190A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3973227B2 (en) * | 2006-11-13 | 2007-09-12 | 第一工業製薬株式会社 | Water-based polyurethane resin composition |
| CN102676046A (en) * | 2012-06-05 | 2012-09-19 | 东华大学 | Self-lubricating polyimide wire enamel and preparation method thereof |
| CN102676047A (en) * | 2012-06-05 | 2012-09-19 | 东华大学 | Self-lubricating wire enamel and preparing method thereof |
| CN103102796A (en) * | 2013-01-10 | 2013-05-15 | 东华大学 | Benzimidazole polyimide wire enamel and preparation method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140416 |