CN102807794A - Polyperfluorinated ethylene propylene coating - Google Patents
Polyperfluorinated ethylene propylene coating Download PDFInfo
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- CN102807794A CN102807794A CN2012102999143A CN201210299914A CN102807794A CN 102807794 A CN102807794 A CN 102807794A CN 2012102999143 A CN2012102999143 A CN 2012102999143A CN 201210299914 A CN201210299914 A CN 201210299914A CN 102807794 A CN102807794 A CN 102807794A
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- perfluoroethylene
- coating
- ethylene propylene
- propylene
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Abstract
The invention discloses the technical field of coatings, and relates to a polyperfluorinated ethylene propylene coating for coating electromagnetic wires. The polyperfluorinated ethylene propylene coating consists of the following substances in part by weight: 80 to 140 parts of polyperfluorinated ethylene propylene, 30 to 60 parts of polyimide, 1 to 5 parts of nano mica, 1 to 8 parts of polyether sulfone resin and 1 to 3 parts of heat stabilizer. The polyperfluorinated ethylene propylene coating has high insulating performance, and the corona-resistant performance, heat resistance and corrosion resistance are improved greatly; and a method for preparing the coating is simple and convenient to use, and is suitable for large-scale industrial production.
Description
Technical field
The invention belongs to technical field of coatings, be specifically related to a kind of perfluoroethylene-propylene coating that is used to apply insulated wire.
Background technology
The stator of motor generally all is to constitute with being embedded in behind the insulated wire coiled coil in the core slots, in order to guarantee the insulating property of insulated wire, need be when making solenoid outside former insulated wire the lapped insulation band; Carrying out impregnated insulating paint, oven dry, this mode is made the insulated wire complex process; Shelf-time of a specified duration also can produce black film; Its corona-resistance property, anti-frequency conversion ability all can not satisfy present variable-frequency motor and high-voltage motor insulated wire to the insulating requirement.
Perfluoroethylene-propylene has good insulating property, also has thermotolerance, low frictional properties; Viscosity not; The character that chemical resistance and thermostability etc. are good is fit to do the raw material of solenoid insulated wire, but the not characteristics of anti-corona are also arranged; Therefore need add some materials of anti-the corona, preparation solenoid insulating material.
Summary of the invention
The object of the present invention is to provide a kind of perfluoroethylene-propylene coating, this coating can be used as the insulating material of solenoid, solves present solenoid insulating material and prepares complex process, the problem of anti-corona and anti-frequency conversion ability.
A kind of perfluoroethylene-propylene coating is made up of the material of following parts by weight: perfluoroethylene-propylene 80-140 part, polyimide 30-60 part, nano mica 1-5 part, polyethersulfone resin 1-8 part, thermo-stabilizer 1-3 part.
The particle diameter of said nano mica is 50-18000nm.
Said thermo-stabilizer is that said thermo-stabilizer is 2-ethylhexoate, benzoate or stearate.
Said 2-ethylhexoate is a 2 ethyl hexanoic acid sodium.
Said benzoate is a Sodium Benzoate.
Said stearate is a StNa.
Beneficial effect of the present invention: perfluoroethylene-propylene coating of the present invention, have the good insulation performance performance, and anti-corona, heat-resisting and corrosion resistance nature improve greatly, preparation method for coating of the present invention is simple, suitable large-scale industrial production easy to use.
Embodiment
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment 1
A kind of perfluoroethylene-propylene coating is made up of the material of following parts by weight: 80 parts of perfluoroethylene-propylenes, 40 parts of polyimide, 2.5 parts of nano micas, 4.6 parts of polyethersulfone resins, 3.3 parts in 2 ethyl hexanoic acid sodium.
The preparation method of above-mentioned perfluoroethylene-propylene coating:
(1) gets 2.5 parts of nano micas according to parts by weight, 4.6 parts of polyethersulfone resins, 3.3 parts in 2 ethyl hexanoic acid sodium and 80 parts of stirring and evenly mixings of perfluoroethylene-propylene.
(2) get 20 parts of the used mphenylenediamines of synthesis of polyimides, 3,3 ', 4,20 parts of 4 '-benzophenone tetracarboxylic dianhydrides, 200 parts of Ns are warming up to 30-60 ℃, continue to stir 0.1-12 hour, make composite mortar.
(3) composite mortar is heated to 70 ℃, imidization reaction takes place in the degassing, obtains perfluoroethylene-propylene coating.
Embodiment 2
A kind of perfluoroethylene-propylene coating is made up of the material of following parts by weight: 120 parts of perfluoroethylene-propylenes, 30 parts of polyimide, 1 part of nano mica, 7 parts of polyethersulfone resins, 2 parts of Sodium Benzoates.
The preparation method of above-mentioned perfluoroethylene-propylene coating:
(1) gets 1 part of nano mica according to parts by weight, 7 parts of polyethersulfone resins, 2 parts of Sodium Benzoates and 120 parts of stirring and evenly mixings of perfluoroethylene-propylene.
(2) get 15 parts of the used Ursol D of synthesis of polyimides, 15 parts of pyromellitic acid anhydrides, 200 parts of N-Methyl pyrrolidone are warming up to 30-60 ℃, continue to stir 0.1-12 hour, make composite mortar.
(3) composite mortar is heated to 70 ℃, imidization reaction takes place in the degassing, obtains perfluoroethylene-propylene coating.
Embodiment 3
A kind of perfluoroethylene-propylene coating is made up of the material of following parts by weight: 140 parts of perfluoroethylene-propylenes, 50 parts of polyimide, 4 parts of nano micas, 1.5 parts of polyethersulfone resins, 3 parts of StNa.
The preparation method of above-mentioned perfluoroethylene-propylene coating:
(1) gets 4 parts of nano micas according to parts by weight, 1.5 parts of polyethersulfone resins, 3 parts of StNa and 140 parts of stirring and evenly mixings of perfluoroethylene-propylene.
(2) get synthesis of polyimides used 4,25 parts of 4 '-diaminobenzophenones, 3,3 ', 4,15 parts of 4 '-biphenyl tetracarboxylic dianhydrides, 200 parts of Ns are warming up to 30-60 ℃, continue to stir 0.1-12 hour, make composite mortar.
(3) composite mortar is heated to 70 ℃, imidization reaction takes place in the degassing, obtains perfluoroethylene-propylene coating.
Embodiment 4
A kind of perfluoroethylene-propylene coating is made up of the material of following parts by weight: 100 parts of perfluoroethylene-propylenes, 30 parts of polyimide, 5 parts of nano micas, 6 parts of polyethersulfone resins, 3 parts of Sodium Benzoates.
The preparation method of above-mentioned perfluoroethylene-propylene coating:
(1) gets 5 parts of nano micas according to parts by weight, 6 parts of polyethersulfone resins, 3 parts of Sodium Benzoates and 100 parts of stirring and evenly mixings of perfluoroethylene-propylene.
(2) get synthesis of polyimides used 2,15 parts of 4-diamino--6-toluene(mono)chloride, luxuriant and rich with fragrance-1,8,9,15 parts of 10-tetracarboxylic dianhydrides, 200 parts of N-Methyl pyrrolidone are warming up to 30-60 ℃, continue to stir 0.1-12 hour, make composite mortar.
(3) composite mortar is heated to 70 ℃, imidization reaction takes place in the degassing, obtains perfluoroethylene-propylene coating.
Claims (6)
1. a perfluoroethylene-propylene coating is characterized in that, is made up of the material of following parts by weight: perfluoroethylene-propylene 80-140 part, polyimide 30-60 part, nano mica 1-5 part, polyethersulfone resin 1-8 part, thermo-stabilizer 1-3 part.
2. according to the said a kind of perfluoroethylene-propylene coating of claim 1, it is characterized in that the particle diameter of said nano mica is 50-18000nm.
3. according to the said a kind of perfluoroethylene-propylene coating of claim 1, it is characterized in that said thermo-stabilizer is that said thermo-stabilizer is 2-ethylhexoate, benzoate or stearate.
4. according to the said a kind of perfluoroethylene-propylene coating of claim 3, it is characterized in that said 2-ethylhexoate is a 2 ethyl hexanoic acid sodium.
5. according to the said a kind of perfluoroethylene-propylene coating of claim 3, it is characterized in that said benzoate is a Sodium Benzoate.
6. according to the said a kind of perfluoroethylene-propylene coating of claim 3, it is characterized in that said stearate is a StNa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102999143A CN102807794A (en) | 2012-08-22 | 2012-08-22 | Polyperfluorinated ethylene propylene coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102999143A CN102807794A (en) | 2012-08-22 | 2012-08-22 | Polyperfluorinated ethylene propylene coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102807794A true CN102807794A (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102999143A Pending CN102807794A (en) | 2012-08-22 | 2012-08-22 | Polyperfluorinated ethylene propylene coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102807794A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832033A (en) * | 2013-12-23 | 2014-06-04 | 深圳瑞华泰薄膜科技有限公司 | Corona resistant polyimide-polyfluorinated ethylene propylene composite film and preparation method thereof |
| CN104151954A (en) * | 2014-08-08 | 2014-11-19 | 李勇 | Anticorrosive coating for steel container |
| CN105330878A (en) * | 2015-11-25 | 2016-02-17 | 南京理工大学 | Preparation method of fluororesin-containing modified polyimide film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061191A (en) * | 2004-11-19 | 2007-10-24 | 纳幕尔杜邦公司 | Process for applying fluoropolymer powder coating as a primer layer and an overcoat |
| CN101874078A (en) * | 2007-11-30 | 2010-10-27 | 三井化学株式会社 | Polyimide composite material and film of the same |
| CN101952375A (en) * | 2008-03-28 | 2011-01-19 | 大金工业株式会社 | Powder coating material and fluorine-containing laminate |
-
2012
- 2012-08-22 CN CN2012102999143A patent/CN102807794A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061191A (en) * | 2004-11-19 | 2007-10-24 | 纳幕尔杜邦公司 | Process for applying fluoropolymer powder coating as a primer layer and an overcoat |
| CN101874078A (en) * | 2007-11-30 | 2010-10-27 | 三井化学株式会社 | Polyimide composite material and film of the same |
| CN101952375A (en) * | 2008-03-28 | 2011-01-19 | 大金工业株式会社 | Powder coating material and fluorine-containing laminate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832033A (en) * | 2013-12-23 | 2014-06-04 | 深圳瑞华泰薄膜科技有限公司 | Corona resistant polyimide-polyfluorinated ethylene propylene composite film and preparation method thereof |
| CN104151954A (en) * | 2014-08-08 | 2014-11-19 | 李勇 | Anticorrosive coating for steel container |
| CN105330878A (en) * | 2015-11-25 | 2016-02-17 | 南京理工大学 | Preparation method of fluororesin-containing modified polyimide film |
| CN105330878B (en) * | 2015-11-25 | 2018-09-25 | 南京理工大学 | A kind of preparation method of the polyimide film containing fluororesin |
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Application publication date: 20121205 |