CN106700817A - Preparation method of insulating powder coating with high adhesion strength for electronic parts and components - Google Patents
Preparation method of insulating powder coating with high adhesion strength for electronic parts and components Download PDFInfo
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- CN106700817A CN106700817A CN201510776258.5A CN201510776258A CN106700817A CN 106700817 A CN106700817 A CN 106700817A CN 201510776258 A CN201510776258 A CN 201510776258A CN 106700817 A CN106700817 A CN 106700817A
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Abstract
The invention provides a preparation method of an insulating powder coating with high adhesion strength for electronic parts and components. The coating is rich in raw material source and low in cost; various auxiliary materials and main ingredients are compounded so as to be interacted and coordinated, so that the insulating coating has the characteristics of strong light exposure resistance, ageing resistance, rain erosion resistance, skid resistance and the like at the same time, and is particularly excellent in adhesive force and insulating property.
Description
Technical field
The present invention relates to coating material field, more particularly to a kind of electronic component high adhesion force coating material of insulating powder in use is gone back
It is related to its preparation method.
Background technology
Coatings have the coating of good electrical insulation.There are good electrical property, hot property, mechanical performance and chemically
Energy.Mostly varnish, also coloured enamel.Coatings are divided into solvent-borne type below 600 DEG C of heatproof and 600-1700 DEG C aqueous two kinds.
Changing coating can form one layer with higher volume resistivity on coated object surface, can bear strong electric without breakdown
Ceramic coating.The coating has mechanical strength and good chemical stability higher, can ageing-resistant, water-fast, chemically-resistant
Corrosion；Also there is mechanical resistant impact and thermal shock resistance properties simultaneously, the coating can the lower continuous work in corresponding operating temperature.
Coatings are generally used in electronic component, however, existing coatings only pay attention to insulation effect, coating attachment
Power is bad, or easy to fall off, causes electronic component to be difficult to insulation well in the course of time.
The content of the invention
Goal of the invention：In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of electronic component
Use high adhesion force coating material of insulating powder in use.
The second object of the present invention is the preparation method for providing above-mentioned electronic component high adhesion force coating material of insulating powder in use.
Technical scheme：A kind of electronic component high adhesion force coating material of insulating powder in use that the present invention is provided, by following weight portion
Component be made：100 parts of bisphenol A type epoxy resin, pigment 20-30 parts, filler 5-10 parts, curing agent 5-10 parts,
Insulating compound 4-6 parts, dispersant 1-3 parts, levelling agent 1-3 parts, drier 1-3 parts, plasticizer 1-3 parts, coalescents
1-3 parts.
Preferably, electronic component high adhesion force coating material of insulating powder in use, is made up of the component of following weight portion：It is double
100 parts of phenol A types epoxy resin, 25 parts of pigment, 8 parts of filler, 8 parts of curing agent, 5 parts of insulating compound, dispersant 2
Part, 2 parts of levelling agent, 2 parts of drier, 2 parts of plasticizer, 2 parts of coalescents.
It is highly preferred that it is 1 that the pigment is mass ratio:1 titanium dioxide and the mixture of silica；Described filler is quality
Than being 2:3:1 barite, calcium carbonate and kaolinic mixture；The curing agent is tetrahydrochysene phthalic acid；The insulating compound
It is mass ratio 1:3:The mixture of 2 TDE, antimony oxide and melamine cyanurate；The dispersant is mass ratio
1:2 EFKA-5065 dispersants and the mixture of EFKA-4050 dispersants；The levelling agent is mass ratio 2:3:2
The mixture of butyl acrylate, Siloxane-Oxyalkylene Copolymers and tetrasodium pyrophosphate；The drier mass ratio 3:4:1 hydrogen
The mixture of cobalt oxide, glycerine and D-sorbite；The plasticizer is mass ratio 4:1 epoxidized soybean oil and adjacent benzene two
The mixture of formic acid dioctyl ester；The coalescents are mass ratio 3:2:1 keto-alcohol ester organic compound, aklylene glycol
The mixture of phenyl ether and two aklylene glycol phenyl ethers.
Present invention also offers the above-mentioned electronic component preparation method of high adhesion force coating material of insulating powder in use, including following step
Suddenly：
(1) bisphenol A type epoxy resin, pigment are weighed, filler, curing agent, insulating compound, dispersant, levelling agent, is urged
Dry agent, plasticizer and coalescents, are pre-mixed；
(2) material of premixing is carried out into melting extrusion, extrusion parameter is：One 110 DEG C of area, two 100 DEG C of areas, screw rod turns
Fast 60Hz；
(3) cool down, coarse crushing obtains tablet；
(4) by tablet obtained in step (3), as spheroidal graphite in ball mill, drum's speed of rotation is 1000-1100rpm, is obtained
Mixture；
(5) by the mixture vacuum freeze drying of step (4), then collected in cyclone separator, obtained final product；Freeze-drying
Vacuum pressure is 0.1-0.2Kpa, and the time is 1-2h
Beneficial effect：The electronic component high adhesion force coating material of insulating powder in use that the present invention is provided, raw material sources enrich, into
This is cheap, coordinates by using various auxiliary materials and major ingredient, the interaction and coordination of each component, so that the heat-insulated painting
Material has the characteristic such as resistance to strong illumination, ageing-resistant, rain erosion resistant, anti-skidding, particularly its adhesive force and insulating properties simultaneously
Can be very excellent.
Specific embodiment
According to following embodiments, the present invention may be better understood.However, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should also without limitation on described in detail in claims
The present invention.
Embodiment 1
Heat resistant and wear resistant powdery paints, is made up of the component of following weight portion：100 parts of bisphenol A type epoxy resin, pigment
20 parts, 10 parts of filler, 10 parts of curing agent, 4 parts of insulating compound, 1 part of dispersant, 3 parts of levelling agent, drier 3
Part, 1 part of plasticizer, 3 parts of coalescents.
Wherein, the pigment is that mass ratio is 1:1 titanium dioxide and the mixture of silica；Described filler is for mass ratio
2:3:1 barite, calcium carbonate and kaolinic mixture；The curing agent is tetrahydrochysene phthalic acid；The insulating compound is matter
Amount compares 1:3:The mixture of 2 TDE, antimony oxide and melamine cyanurate；The dispersant is mass ratio 1:2
EFKA-5065 dispersants and EFKA-4050 dispersants mixture；The levelling agent is mass ratio 2:3:The third of 2
The mixture of olefin(e) acid butyl ester, Siloxane-Oxyalkylene Copolymers and tetrasodium pyrophosphate；The drier mass ratio 3:4:1 hydrogen-oxygen
Change the mixture of cobalt, glycerine and D-sorbite；The plasticizer is mass ratio 4:1 epoxidized soybean oil and O-phthalic
The mixture of dioctyl phthalate；The coalescents are mass ratio 3:2:1 keto-alcohol ester organic compound, aklylene glycol benzene
The mixture of base ether and two aklylene glycol phenyl ethers.
Its preparation method, comprises the following steps：
(1) weigh modifying epoxy resin by organosilicon, pigment, filler, curing agent, insulating compound, dispersant, levelling agent,
Drier, plasticizer and coalescents, are pre-mixed；
(2) material of premixing is carried out into melting extrusion, extrusion parameter is：One 110 DEG C of area, two 100 DEG C of areas, screw rod turns
Fast 60Hz；
(3) cool down, coarse crushing obtains tablet；
(4) by tablet obtained in step (3), as spheroidal graphite in ball mill, drum's speed of rotation is 1000-1100rpm, is obtained
Mixture；
(5) by the mixture vacuum freeze drying of step (4), then collected in cyclone separator, obtained final product；Freeze-drying
Vacuum pressure is 0.1-0.2Kpa, and the time is 1-2h.
Embodiment 2
Heat resistant and wear resistant powdery paints, is made up of the component of following weight portion：100 parts of bisphenol A type epoxy resin, pigment
30 parts, 5 parts of filler, 5 parts of curing agent, 6 parts of insulating compound, 3 parts of dispersant, 1 part of levelling agent, 1 part of drier,
3 parts of plasticizer, 1 part of coalescents.
Wherein, the pigment is that mass ratio is 1:1 titanium dioxide and the mixture of silica；Described filler is for mass ratio
2:3:1 barite, calcium carbonate and kaolinic mixture；The curing agent is tetrahydrochysene phthalic acid；The insulating compound is matter
Amount compares 1:3:The mixture of 2 TDE, antimony oxide and melamine cyanurate；The dispersant is mass ratio 1:2
EFKA-5065 dispersants and EFKA-4050 dispersants mixture；The levelling agent is mass ratio 2:3:The third of 2
The mixture of olefin(e) acid butyl ester, Siloxane-Oxyalkylene Copolymers and tetrasodium pyrophosphate；The drier mass ratio 3:4:1 hydrogen-oxygen
Change the mixture of cobalt, glycerine and D-sorbite；The plasticizer is mass ratio 4:1 epoxidized soybean oil and O-phthalic
The mixture of dioctyl phthalate；The coalescents are mass ratio 3:2:1 keto-alcohol ester organic compound, aklylene glycol benzene
The mixture of base ether and two aklylene glycol phenyl ethers.
Embodiment 3
Heat resistant and wear resistant powdery paints, is made up of the component of following weight portion：100 parts of bisphenol A type epoxy resin, pigment
25 parts, 8 parts of filler, 8 parts of curing agent, 5 parts of insulating compound, 2 parts of dispersant, 2 parts of levelling agent, 2 parts of drier,
2 parts of plasticizer, 2 parts of coalescents.
Wherein, the pigment is that mass ratio is 1:1 titanium dioxide and the mixture of silica；Described filler is for mass ratio
2:3:1 barite, calcium carbonate and kaolinic mixture；The curing agent is tetrahydrochysene phthalic acid；The insulating compound is matter
Amount compares 1:3:The mixture of 2 TDE, antimony oxide and melamine cyanurate；The dispersant is mass ratio 1:2
EFKA-5065 dispersants and EFKA-4050 dispersants mixture；The levelling agent is mass ratio 2:3:The third of 2
The mixture of olefin(e) acid butyl ester, Siloxane-Oxyalkylene Copolymers and tetrasodium pyrophosphate；The drier mass ratio 3:4:1 hydrogen-oxygen
Change the mixture of cobalt, glycerine and D-sorbite；The plasticizer is mass ratio 4:1 epoxidized soybean oil and O-phthalic
The mixture of dioctyl phthalate；The coalescents are mass ratio 3:2:1 keto-alcohol ester organic compound, aklylene glycol benzene
The mixture of base ether and two aklylene glycol phenyl ethers.
Claims (4)
1. a kind of electronic component preparation method of high adhesion force coating material of insulating powder in use, it is characterised in that：Comprise the following steps：
(1) bisphenol A type epoxy resin, pigment are weighed, filler, curing agent, insulating compound, dispersant, levelling agent, is urged
Dry agent, plasticizer and coalescents, are pre-mixed；
(2) material of premixing is carried out into melting extrusion, extrusion parameter is：One 110 DEG C of area, two 100 DEG C of areas, screw rod turns
Fast 60Hz；
(3) cool down, coarse crushing obtains tablet；
(4) by tablet obtained in step (3), as spheroidal graphite in ball mill, drum's speed of rotation is 1000-1100rpm, is obtained
Mixture；
(5) by the mixture vacuum freeze drying of step (4), then collected in cyclone separator, obtained final product；Freeze-drying
Vacuum pressure is 0.1-0.2Kpa, and the time is 1-2h.
2. a kind of electronic component according to claim 1 preparation method of high adhesion force coating material of insulating powder in use, it is special
Levy and be：The weight portion of each component is respectively：100 parts of bisphenol A type epoxy resin, pigment 20-30 parts, filler 5-10
Part, curing agent 5-10 parts, insulating compound 4-6 parts, dispersant 1-3 parts, levelling agent 1-3 parts, drier 1-3 parts, increasing
1-3 parts, coalescents 1-3 parts of agent of modeling.
3. a kind of electronic component according to claim 1 preparation method of high adhesion force coating material of insulating powder in use, it is special
Levy and be：The weight portion of each component is respectively：100 parts of bisphenol A type epoxy resin, 25 parts of pigment, 8 parts of filler,
8 parts of curing agent, 5 parts of insulating compound, 2 parts of dispersant, 2 parts of levelling agent, 2 parts of drier, 2 parts of plasticizer, film forming
2 parts of auxiliary agent.
4. a kind of electronic component according to claim 1 preparation method of high adhesion force coating material of insulating powder in use, it is special
Levy and be：The pigment is that mass ratio is 1:1 titanium dioxide and the mixture of silica；Described filler is that mass ratio is 2:3:1
Barite, calcium carbonate and kaolinic mixture；The curing agent is tetrahydrochysene phthalic acid；The insulating compound is mass ratio 1:3:2
TDE, antimony oxide and melamine cyanurate mixture；The dispersant is mass ratio 1:2
The mixture of EFKA-5065 dispersants and EFKA-4050 dispersants；The levelling agent is mass ratio 2:3:2 acrylic acid
The mixture of butyl ester, Siloxane-Oxyalkylene Copolymers and tetrasodium pyrophosphate；The drier mass ratio 3:4:1 cobalt hydroxide,
The mixture of glycerine and D-sorbite；The plasticizer is mass ratio 4:1 epoxidized soybean oil and phthalic acid two is pungent
The mixture of ester；The coalescents are mass ratio 3:2:1 keto-alcohol ester organic compound, aklylene glycol phenyl ether and
The mixture of two aklylene glycol phenyl ethers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776258.5A CN106700817A (en) | 2015-11-13 | 2015-11-13 | Preparation method of insulating powder coating with high adhesion strength for electronic parts and components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776258.5A CN106700817A (en) | 2015-11-13 | 2015-11-13 | Preparation method of insulating powder coating with high adhesion strength for electronic parts and components |
Publications (1)
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| CN106700817A true CN106700817A (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510776258.5A Pending CN106700817A (en) | 2015-11-13 | 2015-11-13 | Preparation method of insulating powder coating with high adhesion strength for electronic parts and components |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446465A (en) * | 2017-07-27 | 2017-12-08 | 芜湖市三山龙城新材料有限公司 | Fire-resistant anticorrosion paint and preparation method thereof |
| CN107474685A (en) * | 2017-07-28 | 2017-12-15 | 芜湖市三山龙城新材料有限公司 | A kind of thermal insulation coatings and its production method |
| CN107474742A (en) * | 2017-07-28 | 2017-12-15 | 芜湖市三山龙城新材料有限公司 | A kind of novel heat insulation coating and preparation method thereof |
| CN109251602A (en) * | 2018-07-28 | 2019-01-22 | 南京艾利克斯电子科技有限公司 | A kind of anti-static coatings and preparation method thereof of electronic component high adhesion force |
| CN111500096A (en) * | 2020-05-09 | 2020-08-07 | 江西众晶源科技有限公司 | Insulating paint for electronic components and preparation method thereof |
-
2015
- 2015-11-13 CN CN201510776258.5A patent/CN106700817A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446465A (en) * | 2017-07-27 | 2017-12-08 | 芜湖市三山龙城新材料有限公司 | Fire-resistant anticorrosion paint and preparation method thereof |
| CN107474685A (en) * | 2017-07-28 | 2017-12-15 | 芜湖市三山龙城新材料有限公司 | A kind of thermal insulation coatings and its production method |
| CN107474742A (en) * | 2017-07-28 | 2017-12-15 | 芜湖市三山龙城新材料有限公司 | A kind of novel heat insulation coating and preparation method thereof |
| CN109251602A (en) * | 2018-07-28 | 2019-01-22 | 南京艾利克斯电子科技有限公司 | A kind of anti-static coatings and preparation method thereof of electronic component high adhesion force |
| CN111500096A (en) * | 2020-05-09 | 2020-08-07 | 江西众晶源科技有限公司 | Insulating paint for electronic components and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |