CN104231852B - A kind of electrical equipment cold coating and preparation method thereof - Google Patents
A kind of electrical equipment cold coating and preparation method thereof Download PDFInfo
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- CN104231852B CN104231852B CN201410431195.5A CN201410431195A CN104231852B CN 104231852 B CN104231852 B CN 104231852B CN 201410431195 A CN201410431195 A CN 201410431195A CN 104231852 B CN104231852 B CN 104231852B
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- electrical equipment
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- cold coating
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- type epoxy
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Abstract
The invention discloses a kind of electrical equipment cold coating, it is mainly by made by the raw material of following weight ratio: bisphenol A type epoxy resin 50 parts, acrylic resin 5 15 parts, polyurethane 10 20 parts, magnesium oxide 10 20 parts, zinc oxide 15 25 parts, organic silicon defoamer 15 parts, pigment 15 parts, inorganic filler 15 25 parts.The invention also discloses the preparation method of described electrical equipment cold coating.Relative to prior art, the electrical equipment cold coating of gained of the present invention, low cost, technique is simple, not only adhesive force and excellent insulation performance, and has stronger thermostability, has good heat conductivility simultaneously, and service life is long.
Description
Technical field
The present invention relates to a kind of cold coating and preparation method thereof, be specifically related to a kind of cold coating being exclusively used in electrical equipment and
Preparation method.
Background technology
In recent years, along with socioeconomic high speed development, the demand of electric appliance paint is also grown with each passing day.Simultaneously for electricity
The requirement of device coating is more and more higher.Generally for electric appliance paint, it is desirable to it possesses good insulating properties, meanwhile, by
Amount of heat usually can be produced, accordingly, it would be desirable to electric appliance paint has good heat resistance such that it is able to time long in electrical equipment
Between use.Meet the electric appliance paint required, be widely used in appliances motor, the dipping of transformer coil, armature coil, determine
Surface coating varnish etc. within Zi, it may also be used for chemical industry equipment locomotive engine and exhaustor inwall, various heaters etc.
High-temperature coatings.
But, the most traditional electric appliance paint, there is certain defect the most in some aspects, as inadequate in paint adhesion,
Easily aliquation, come off, or insulating properties are poor, or heat resistance is poor, or heat resistance well still heat conductivity poor,
The use of electrical equipment and the life-span of coating will be affected.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of electrical equipment cold coating and system thereof
Preparation Method.
Technical scheme: for achieving the above object, the present invention provides a kind of electrical equipment cold coating, and it is mainly by following weight
Made by the raw material of part ratio:
Bisphenol A type epoxy resin 50 parts, acrylic resin 5-15 part, polyurethane 10-20 part, magnesium oxide 10-20 part,
Zinc oxide 15-25 part, organic silicon defoamer 1-5 part, pigment 1-5 part, inorganic filler 15-25 part.
As preferably, described electrical equipment cold coating is mainly by made by the raw material of following weight ratio:
Bisphenol A type epoxy resin 50 parts, acrylic resin 8-12 part, polyurethane 12-18 part, magnesium oxide 12-18 part,
Zinc oxide 18-22 part, organic silicon defoamer 2-4 part, pigment 2-4 part, inorganic filler 18-22 part.
Preferred as another kind, the degree of polycondensation of described bisphenol A type epoxy resin is 50-70.
Preferred as another kind, described inorganic filler is Pulvis Talci, glass dust, kieselguhr, barium sulfate or mica sheet.
Present invention also offers the preparation method of described electrical equipment cold coating, it is mainly by made by following steps:
(1) taking acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 4000-6000r/min is at a high speed
Disperse 30-40 minute, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, 3600-4200r/min
High speed dispersion 20-30 minute, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the inorganic filler ground and above-mentioned mill base material, 800-1200
R/min low speed disperses 10-20 minute, to obtain final product.
Beneficial effect: the present invention is relative to prior art, the electrical equipment cold coating of gained, low cost, and technique is simple, no
Only adhesive force and excellent insulation performance, and there is stronger thermostability, there is good heat conductivility simultaneously, use the longevity
Life is long.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
Prescription:
Bisphenol A type epoxy resin 50g, acrylic resin 5g, polyurethane 10g, magnesium oxide 10g,
Zinc oxide 15g, organic silicon defoamer 1g, pigment 1g, Pulvis Talci 15g.
Preparation method:
(1) take acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 4000r/min high speed dispersion
30 minutes, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, and 3600r/min is high
Speed dispersion 20 minutes, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mixing with the Pulvis Talci ground and above-mentioned mill base material, 800r/min is low
Speed dispersion 10 minutes, to obtain final product.
The degree of polycondensation of described bisphenol A type epoxy resin is 50.
Embodiment 2:
Prescription:
Bisphenol A type epoxy resin 50g, acrylic resin 15g, polyurethane 20g, magnesium oxide 20g,
Zinc oxide 25g, organic silicon defoamer 5g, pigment 5g, glass dust 25g.
Preparation method:
(1) taking acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 6000r/min divides at a high speed
Dissipate 40 minutes, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, and 4200r/min is high
Speed dispersion 30 minutes, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the glass dust ground and above-mentioned mill base material, 1200r/min
Low speed disperses 20 minutes, to obtain final product.
The degree of polycondensation of described bisphenol A type epoxy resin is 70.
Embodiment 3:
Prescription:
Bisphenol A type epoxy resin 50g, acrylic resin 10g, polyurethane 15g, magnesium oxide 15g,
Zinc oxide 20g, organic silicon defoamer 3g, pigment 3g, kieselguhr 20g.
Preparation method:
(1) take acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 5000r/min high speed dispersion
35 minutes, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, and 3900r/min is high
Speed dispersion 25 minutes, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the kieselguhr ground and above-mentioned mill base material, 1000r/min
Low speed disperses 15 minutes, to obtain final product.
The degree of polycondensation of described bisphenol A type epoxy resin is 60.
Embodiment 4:
Prescription:
Bisphenol A type epoxy resin 50g, acrylic resin 8g, polyurethane 12g, magnesium oxide 12g,
Zinc oxide 18g, organic silicon defoamer 2g, pigment 2g, barium sulfate 18g.
Preparation method:
(1) take acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 4500r/min high speed dispersion
32 minutes, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, and 3800r/min is high
Speed dispersion 22 minutes, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the barium sulfate ground or mica sheet and above-mentioned mill base material, 900
R/min low speed disperses 12 minutes, to obtain final product.
The degree of polycondensation of described bisphenol A type epoxy resin is 55.
Embodiment 5:
Prescription:
Bisphenol A type epoxy resin 50g, acrylic resin 12g, polyurethane 18g, magnesium oxide 18g,
Zinc oxide 22g, organic silicon defoamer 4g, pigment 4g, mica sheet 22g.
Preparation method:
(1) take acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 5500r/min high speed dispersion
38 minutes, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, and 4100r/min is high
Speed dispersion 28 minutes, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the mica sheet ground and above-mentioned mill base material, 1100r/min
Low speed disperses 18 minutes, to obtain final product.
The degree of polycondensation of described bisphenol A type epoxy resin is 65.
Experimental example gained of the present invention electrical equipment cold coating performance detects
Compare 1 group and use prescription of the present invention and preparation method, remove acrylic resin and the coating of polyurethane gained；
Compare 2 groups and use prescription of the present invention and preparation method, remove acrylic resin, zinc oxide and the painting of magnesium oxide gained
Material.
Table 1 gained of the present invention coating property testing result (n=3)
Note: compare with matched group, * P < 0.05
By upper Biao Ke get, and compare compared with 1 group and 2 groups, the embodiment of the present invention 3,4 and 5 gained electric appliance paint warp
Crossing detection, result shows that its adhesive force and dielectric constant are significantly higher than two matched groups, shows its adhesion property and insulating properties
Can be excellent；Thermostability aspect, under the acceleration environment of 300 ± 20 DEG C, the matched group 40h that compares has a small amount of cracking to come off,
Embodiment 3,4 and 5 groups can reach 60h and not ftracture, and fire resistance significantly improves；And heat conduction aspect, compare two
Individual matched group, its heat transfer coefficient of gained coating of the present invention significantly raises, and shows its excellent thermal conductivity.
Claims (4)
1. an electrical equipment cold coating, it is characterised in that it is mainly by made by the raw material of following weight ratio:
Bisphenol A type epoxy resin 50 parts, acrylic resin 5-15 part, polyurethane 10-20 part, magnesium oxide 10-20 part,
Zinc oxide 15-25 part, organic silicon defoamer 1-5 part, pigment 1-5 part, inorganic filler 15-25 part；
Described electrical equipment cold coating is made up of following steps:
(1) taking acrylic resin and polyurethane is placed in container, add a certain amount of toluene, 4000-6000r/min is at a high speed
Disperse 30-40 minute, obtain colostric fluid；
(2) magnesium oxide, zinc oxide, organic silicon defoamer and pigment, joins in above-mentioned colostric fluid, 3600-4200r/min
High speed dispersion 20-30 minute, Dry Sack slurry；
(3) by bisphenol A type epoxy resin, mix with the inorganic filler ground and above-mentioned mill base material, 800-1200
R/min low speed disperses 10-20 minute, to obtain final product.
Electrical equipment cold coating the most according to claim 1, it is characterised in that it is mainly by following weight ratio
Made by raw material:
Bisphenol A type epoxy resin 50 parts, acrylic resin 8-12 part, polyurethane 12-18 part, magnesium oxide 12-18 part,
Zinc oxide 18-22 part, organic silicon defoamer 2-4 part, pigment 2-4 part, inorganic filler 18-22 part.
Electrical equipment cold coating the most according to claim 1, it is characterised in that the polycondensation of described bisphenol A type epoxy resin
Degree is 50-70.
Electrical equipment cold coating the most according to claim 1, it is characterised in that described inorganic filler is Pulvis Talci, glass
Powder, kieselguhr, barium sulfate or mica sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431195.5A CN104231852B (en) | 2014-08-27 | 2014-08-27 | A kind of electrical equipment cold coating and preparation method thereof |
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| CN201410431195.5A CN104231852B (en) | 2014-08-27 | 2014-08-27 | A kind of electrical equipment cold coating and preparation method thereof |
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| CN104231852A CN104231852A (en) | 2014-12-24 |
| CN104231852B true CN104231852B (en) | 2016-08-24 |
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| CN201410431195.5A Expired - Fee Related CN104231852B (en) | 2014-08-27 | 2014-08-27 | A kind of electrical equipment cold coating and preparation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820739B (en) * | 2016-05-12 | 2018-10-23 | 南京高崎电机有限公司 | A kind of motor heat dissipation paint |
| CN105820680B (en) * | 2016-05-12 | 2018-04-13 | 南京高崎电机有限公司 | A kind of motor is painted with proof voltage |
| CN106800867A (en) * | 2017-01-12 | 2017-06-06 | 芜湖航天特种电缆厂股份有限公司 | Damp proof insulation coating compositions and preparation method thereof |
| CN108192442A (en) * | 2018-01-23 | 2018-06-22 | 合肥欧仕嘉机电设备有限公司 | Heat safe coating of a kind of resistor surface heat dissipation and preparation method thereof |
| CN108485456A (en) * | 2018-03-29 | 2018-09-04 | 合肥初慕科技有限公司 | The environmental protection coating material of effective protection electric appliance service life |
| CN109943193B (en) * | 2019-03-21 | 2021-06-04 | 广西弗士特资源综合利用有限公司 | Composite environment-friendly coating based on diatomite modification and preparation method thereof |
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| CN102127357A (en) * | 2011-04-26 | 2011-07-20 | 天津市沃必达涂料有限公司 | Anti-corrosion coating used in heat radiator |
| EP2455420A1 (en) * | 2009-07-14 | 2012-05-23 | Sakai Chemical Industry Co., Ltd. | Heat-dissipating filler composition, resin composition, heat-dissipating grease, and heat-dissipating coating composition |
| CN103087614A (en) * | 2013-01-09 | 2013-05-08 | 广州大学 | Insulating heat conduction high-temperature resistant electrical appliance coating and preparation method thereof |
| CN103642341A (en) * | 2013-12-01 | 2014-03-19 | 宁波深蓝智能房屋有限公司 | Heat-resisting paint for intelligent houses |
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2014
- 2014-08-27 CN CN201410431195.5A patent/CN104231852B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2455420A1 (en) * | 2009-07-14 | 2012-05-23 | Sakai Chemical Industry Co., Ltd. | Heat-dissipating filler composition, resin composition, heat-dissipating grease, and heat-dissipating coating composition |
| CN102127357A (en) * | 2011-04-26 | 2011-07-20 | 天津市沃必达涂料有限公司 | Anti-corrosion coating used in heat radiator |
| CN103087614A (en) * | 2013-01-09 | 2013-05-08 | 广州大学 | Insulating heat conduction high-temperature resistant electrical appliance coating and preparation method thereof |
| CN103642341A (en) * | 2013-12-01 | 2014-03-19 | 宁波深蓝智能房屋有限公司 | Heat-resisting paint for intelligent houses |
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