CN101457117A - Special insulating powder coating for electro-magnetism line and preparation method thereof - Google Patents
Special insulating powder coating for electro-magnetism line and preparation method thereof Download PDFInfo
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- CN101457117A CN101457117A CNA2008102204826A CN200810220482A CN101457117A CN 101457117 A CN101457117 A CN 101457117A CN A2008102204826 A CNA2008102204826 A CN A2008102204826A CN 200810220482 A CN200810220482 A CN 200810220482A CN 101457117 A CN101457117 A CN 101457117A
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Abstract
The present invention discloses a insulating powder paint exclusively used on electro-magnetic wires, which includes the following components that measured in weight percentage: epoxy resins 60-70%, firming agent 15-30%, inorganic filler 10-20%, flatting agent 1.0-2.0%, styrax benzoin 0.3-1.0%, curing accelerator 0.8-2.0% and siliceous reinforcing agent 0.1-0.3%. The insulating powder paint exclusively used on electro-magnetic wires can be painted either by electrostatic painting or ebullated bed dipping to obtain round wire and lenticular wire in different specifications with solidification temperature 200 DEG C and solidification time 10 to 30 minutes. The coating layer of the painted electro-magnetic wires has semitransparent neat and smooth appearance, excellent flexibility, favorable corner coverage, excellent electroinsulating property and heatproof property, and can meet level 180 electroinsulating property requirement that prescribed in GB6109.
Description
Technical field
The present invention relates to a kind of insulating powder coating of insulated wire special use, the invention still further relates to a kind of preparation method of special insulating powder coating for electro-magnetism line.
Background technology
Along with the fast development of current electronics, motor industry, on the one hand high intelligence, high-level efficiency, small-sized light weight, high precision, environmental protection and energy saving and modularization become the main developments of electronics, motor technology; The Working environment of electronics, motor device also is tending towards variation on the other hand.In motor product, the quality of insulating material is the key factor of decision motor product quality.Therefore, for the normal operation of support equipment, must there be high performance insulating material to improve working environment adaptability, the work-ing life of equipment.
The motor difference of insulated wire according to the working conditions of motor, it requires also different to insulation and heat-resisting etc., motor generally adopts products such as solvent-thinned paint envelope curve, ferry-glass covered wire, oxide film envelope curve at present, the solvent-thinned paint envelope curve exists coating process slow, solvent volatility brings problems such as severe contamination greatly to environment, ferry-glass covered wire exists insulation thickness bigger, bad mechanical strength, problems such as cost height, and the oxide film envelope curve exists oxide thickness to be difficult to problems such as control.These problems have all restricted the use range of insulated wire.
Summary of the invention
The object of the present invention is to provide the special insulating powder coating for electro-magnetism line of a kind of insulating property and heat resistance excellence.
Another object of the present invention provides the preparation method of the simple special insulating powder coating for electro-magnetism line of a kind of technology.
A kind of special insulating powder coating for electro-magnetism line provided by the invention, it is characterized in that, comprise following components in weight percentage: Resins, epoxy 50～70%, solidifying agent 15～30%, mineral filler 10～20%, flow agent 1.0～2.0%, st-yrax 0.3～1.0%, curing catalyst 0.8～2.0%, white carbon black 0.1～0.3%.
The epoxy equivalent (weight) of described Resins, epoxy is 600～1000g/eq.
Described solidifying agent is sebacic dihydrazide or linear phenolic resin etc.
Described mineral filler is silica powder or Calucium Silicate powder etc.
Described curing catalyst is glyoxal ethyline or 2-benzylimidazoline etc.
Described flow agent is flow agent PV88 or flow agent P67 etc.
The preparation method of a kind of special insulating powder coating for electro-magnetism line provided by the invention, it may further comprise the steps:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and fragmentation;
(2) material after the fragmentation enters forcing machine and extrudes;
(3) material after extruding is packed promptly after pulverizing, magnetic separation and screening.
Each component mixing and broken time are 1～3 minute in the described step (1).
Extrusion temperature in the described step (2) is 85～90 ℃; Described forcing machine is twin screw extruder or single screw extrusion machine.
The extrudate of gained is ground into 30～60 microns powder granule in the described step (3) through ACM.
Powder coating of the present invention can add suitable pigment, thereby prepares the coating of multiple different colours.
The beneficial effect that the present invention compared with prior art has:
Insulated wire special isolation coating of the present invention can adopt the round line and the lenticular wire of the mode application different size of electrostatic spraying or fluidized bed dipping, and its solidification value is 200 ℃, and be 10 minutes to 30 minutes set time.The coating of the insulated wire through applying has semitransparent neat and smooth appearance, the shape that is translucent, and the excellent flexibility energy, favorable corner coverage, insulating property, heat resistance excellence can reach the insulating property of 180 grades of requirements of GB6109 defined.
Embodiment
Embodiment 1
Coating composition and weight content: epoxy equivalent (weight) is Resins, epoxy 56%, sebacic dihydrazide 20%, silica powder 20%, flow agent PV88 2.0%, st-yrax 0.5%, glyoxal ethyline 1.3%, the white carbon black 0.2% of 700g/eq.
Preparation method for coating:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and broken 2 minutes;
(2) material after the fragmentation enters twin screw extruder or single screw extrusion machine is extruded, and in the material extrusion, extruder temperature is controlled at 85 ℃;
(3) material after extruding is ground into through ACM and carries out magnetic separation and screening back packing behind 40 microns the powder granule promptly.Embodiment 2
Coating composition and weight content: epoxy equivalent (weight) is Resins, epoxy 60%, sebacic dihydrazide 15%, silica powder 20%, flow agent PV882.0%, st-yrax 1.0%, glyoxal ethyline 1.8%, the white carbon black 0.2% of 800g/eq.
Preparation method for coating:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and broken 3 minutes;
(2) material after the fragmentation enters twin screw extruder or single screw extrusion machine is extruded, and in the material extrusion, extruder temperature is controlled at 85 ℃;
(3) material after extruding is ground into through ACM and carries out magnetic separation and screening back packing behind 50 microns the powder granule promptly.
Embodiment 3
Coating composition and weight content: epoxy equivalent (weight) is Resins, epoxy 55%, sebacic dihydrazide 25%, Calucium Silicate powder 15%, flow agent P67 1.9%, st-yrax 1.0%, 2-benzylimidazoline 2.0%, the white carbon black 0.1% of 800g/eq.
Preparation method for coating:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and broken 3 minutes;
(2) material after the fragmentation enters twin screw extruder or single screw extrusion machine is extruded, and in the material extrusion, extruder temperature is controlled at 90 ℃;
(3) material after extruding is ground into through ACM and carries out magnetic separation and screening back packing behind 50 microns the powder granule promptly.
Embodiment 4
Coating composition and weight content: epoxy equivalent (weight) is Resins, epoxy 60%, linear phenolic resin 20%, Calucium Silicate powder 15%, flow agent PV88 2.0%, st-yrax 1.0%, 2-benzylimidazoline 1.8%, the white carbon black 0.2% of 1000g/eq.
Preparation method for coating:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and broken 2 minutes;
(2) material after the fragmentation enters twin screw extruder or single screw extrusion machine is extruded, and in the material extrusion, extruder temperature is controlled at 88 ℃;
(3) material after extruding is ground into through ACM and carries out magnetic separation and screening back packing behind 60 microns the powder granule promptly.
Embodiment 5
Coating composition and weight content: epoxy equivalent (weight) is Resins, epoxy 70%, linear phenolic resin 16%, silica powder 10%, flow agent P67 1.8%, st-yrax 0.7%, glyoxal ethyline 1.2%, the white carbon black 0.3% of 9000g/eq.
Preparation method for coating:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and broken 3 minutes;
(2) material after the fragmentation enters twin screw extruder or single screw extrusion machine is extruded, and in the material extrusion, extruder temperature is controlled at 85 ℃;
(3) material after extruding is ground into through ACM and carries out magnetic separation and screening back packing behind 60 microns the powder granule promptly.
The powder coating of above embodiment can add suitable pigment, thereby prepares the coating of multiple different colours.The insulated wire special isolation coating that makes can adopt the round line and the lenticular wire of the mode application different size of electrostatic spraying or fluidized bed dipping, and its solidification value is 200 ℃, and be 10 minutes to 30 minutes set time.The coating of the insulated wire through applying has semitransparent neat and smooth appearance, the shape that is translucent, and the excellent flexibility energy, favorable corner coverage, insulating property, heat resistance excellence can reach the insulating property of 180 grades of requirements of GB6109 defined.
Above embodiment is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included in protection scope of the present invention.
Claims (9)
1, a kind of special insulating powder coating for electro-magnetism line, it is characterized in that, comprise following components in weight percentage: Resins, epoxy 50～70%, solidifying agent 15～30%, mineral filler 10～20%, flow agent 1.0～2.0%, st-yrax 0.3～1.0%, curing catalyst 0.8～2.0%, white carbon black 0.1～0.3%.
2, special insulating powder coating for electro-magnetism line according to claim 1 is characterized in that, the epoxy equivalent (weight) of described Resins, epoxy is 600～1000g/eq.
3, special insulating powder coating for electro-magnetism line according to claim 1 is characterized in that, described solidifying agent is sebacic dihydrazide or linear phenolic resin.
4, special insulating powder coating for electro-magnetism line according to claim 1 is characterized in that, described mineral filler is silica powder or Calucium Silicate powder.
5, special insulating powder coating for electro-magnetism line according to claim 1 is characterized in that, described curing catalyst is glyoxal ethyline or 2-benzylimidazoline.
6, the preparation method of the described special insulating powder coating for electro-magnetism line of a kind of claim 1 is characterized in that, may further comprise the steps:
(1) takes by weighing Resins, epoxy, solidifying agent, mineral filler, flow agent, st-yrax, curing catalyst and white carbon black in proportion, place compounding jar, mix and fragmentation;
(2) material after the fragmentation enters forcing machine and extrudes;
(3) material after extruding is packed promptly after pulverizing, magnetic separation and screening.
7, the preparation method of special insulating powder coating for electro-magnetism line according to claim 6 is characterized in that, each component mixing and broken time are 1～3 minute in the described step (1).
8, the preparation method of special insulating powder coating for electro-magnetism line according to claim 6 is characterized in that, the extrusion temperature in the described step (2) is 85～90 ℃, and described forcing machine is twin screw extruder or single screw extrusion machine.
9, the preparation method of special insulating powder coating for electro-magnetism line according to claim 6 is characterized in that, the extrudate in the described step (3) is ground into 30～60 microns powder granule through ACM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102204826A CN101457117A (en) | 2008-12-26 | 2008-12-26 | Special insulating powder coating for electro-magnetism line and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102204826A CN101457117A (en) | 2008-12-26 | 2008-12-26 | Special insulating powder coating for electro-magnetism line and preparation method thereof |
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| CN101457117A true CN101457117A (en) | 2009-06-17 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464934A (en) * | 2010-11-17 | 2012-05-23 | 北京碧海舟腐蚀防护工业股份有限公司 | Epoxy powder coating suitable for low-temperature coating |
| CN102977736A (en) * | 2012-10-30 | 2013-03-20 | 苏州市德莱尔建材科技有限公司 | Insulation primer |
| CN103059692A (en) * | 2013-01-23 | 2013-04-24 | 天津市凯华绝缘材料有限公司 | Epoxy powder coating for coating magnet ring and preparation method of epoxy powder coating |
| CN103483969A (en) * | 2013-09-03 | 2014-01-01 | 蚌埠市鸿安精密机械有限公司 | Thermosensitive epoxy resin powder coating |
| CN103509433A (en) * | 2013-09-04 | 2014-01-15 | 安徽东方金河精密机械制造有限公司 | Epoxy powder paint special for thick-coating steel strands |
| CN105199535A (en) * | 2015-09-18 | 2015-12-30 | 广州擎天材料科技有限公司 | Pure epoxy powder paint for electromagnetic line coating and preparing method of paint |
| CN109321015A (en) * | 2018-09-30 | 2019-02-12 | 清远道顿新材料有限公司 | A kind of power transmission and distribution busbar special isolation powdery paints and preparation method thereof |
| CN109321094A (en) * | 2018-09-28 | 2019-02-12 | 上海国丽粉体涂料有限公司 | A kind of powdery paints and application thereof |
| CN109439140A (en) * | 2018-10-31 | 2019-03-08 | 福州盛世凌云环保科技有限公司 | A kind of ion implanting composite coating anti-bacteria stainless steel water pipe |
| CN110698950A (en) * | 2019-10-17 | 2020-01-17 | 江门市皇宙实业有限公司 | Insulating powder coating |
| CN114058247A (en) * | 2021-11-22 | 2022-02-18 | 擎天材料科技有限公司 | Insulating powder coating and preparation method and application thereof |
-
2008
- 2008-12-26 CN CNA2008102204826A patent/CN101457117A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102464934A (en) * | 2010-11-17 | 2012-05-23 | 北京碧海舟腐蚀防护工业股份有限公司 | Epoxy powder coating suitable for low-temperature coating |
| CN102464934B (en) * | 2010-11-17 | 2014-11-26 | 北京碧海舟腐蚀防护工业股份有限公司 | Epoxy powder coating suitable for low-temperature coating |
| CN102977736A (en) * | 2012-10-30 | 2013-03-20 | 苏州市德莱尔建材科技有限公司 | Insulation primer |
| CN103059692A (en) * | 2013-01-23 | 2013-04-24 | 天津市凯华绝缘材料有限公司 | Epoxy powder coating for coating magnet ring and preparation method of epoxy powder coating |
| CN103059692B (en) * | 2013-01-23 | 2015-07-22 | 天津凯华绝缘材料股份有限公司 | Epoxy powder coating for coating magnet ring and preparation method of epoxy powder coating |
| CN103483969A (en) * | 2013-09-03 | 2014-01-01 | 蚌埠市鸿安精密机械有限公司 | Thermosensitive epoxy resin powder coating |
| CN103509433A (en) * | 2013-09-04 | 2014-01-15 | 安徽东方金河精密机械制造有限公司 | Epoxy powder paint special for thick-coating steel strands |
| CN105199535B (en) * | 2015-09-18 | 2018-05-29 | 广州擎天材料科技有限公司 | A kind of electromagnetic wire application pure epoxy powdery paints and preparation method thereof |
| CN105199535A (en) * | 2015-09-18 | 2015-12-30 | 广州擎天材料科技有限公司 | Pure epoxy powder paint for electromagnetic line coating and preparing method of paint |
| CN109321094A (en) * | 2018-09-28 | 2019-02-12 | 上海国丽粉体涂料有限公司 | A kind of powdery paints and application thereof |
| CN109321015A (en) * | 2018-09-30 | 2019-02-12 | 清远道顿新材料有限公司 | A kind of power transmission and distribution busbar special isolation powdery paints and preparation method thereof |
| CN109439140A (en) * | 2018-10-31 | 2019-03-08 | 福州盛世凌云环保科技有限公司 | A kind of ion implanting composite coating anti-bacteria stainless steel water pipe |
| CN109439140B (en) * | 2018-10-31 | 2021-12-14 | 福州盛世凌云环保科技有限公司 | Ion implantation composite coating antibacterial stainless steel water pipe |
| CN110698950A (en) * | 2019-10-17 | 2020-01-17 | 江门市皇宙实业有限公司 | Insulating powder coating |
| CN110698950B (en) * | 2019-10-17 | 2021-08-27 | 江门市皇宙实业有限公司 | Insulating powder coating |
| CN114058247A (en) * | 2021-11-22 | 2022-02-18 | 擎天材料科技有限公司 | Insulating powder coating and preparation method and application thereof |
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Application publication date: 20090617 |