CN106752710A - A kind of corrosion resistant coating of electronic elements - Google Patents
A kind of corrosion resistant coating of electronic elements Download PDFInfo
- Publication number
- CN106752710A CN106752710A CN201611188074.8A CN201611188074A CN106752710A CN 106752710 A CN106752710 A CN 106752710A CN 201611188074 A CN201611188074 A CN 201611188074A CN 106752710 A CN106752710 A CN 106752710A
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- parts
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- corrosion resistant
- resistant coating
- electronic elements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of corrosion resistant coating of electronic elements, it is made up of following component by weight ratio：50 70 parts of epoxy resin, 35 parts of graphite powder, 80 85 parts of aluminium powder, 24 parts of zinc powder, 13 parts of nickel powder, 6 12 parts of tin oxide, 26 parts of sodium tripolyphosphate, 10 18 parts of acetone, 1.5 2.5 parts of methylcellulose, 40 80 parts of castor oil polyoxyethylene ether, 20 30 parts of sorbic acid.The present invention forms one layer of coating structure of stabilization, and with excellent weatherability and radiation proof, anti-static ability, and coating structure is stable in properties, protection electronic component that can be lasting, reduces the infringement that foeign element is caused to electronic component.And its excellent anti-corrosion performance, 300 400h are soaked in sodium chloride, metal surface is also not in rust staining, because sorbic acid improves decay resistance of the invention to a certain extent.
Description
Technical field
The present invention relates to a kind of field of coatings for metals, specifically a kind of corrosion resistant coating of electronic elements.
Background technology
Electronic component is the strength member for constituting electronic equipment or electromechanical equipment, and volume is relatively small and compares zero
Dissipate, it is easily effected by environmental factors, and there are oxidation, deformation or other infringements, cause the function of electronic component to be subject to shadow
Ring, or even harm is brought to whole equipment.Factor from environment includes air, humiture, radiation etc., can be to electronic component
Cause damage, therefore it is most important to reduce influence of the environmental factor to electronic equipment.Existing guard method, changes from structure mostly
Enter, or select different materials, but effect is still limited, and also it is relatively costly, cost performance is relatively low.Therefore, people find out
The complete and function of electronic component is protected using coating.
Coating, is also coating, refers to be attached to play certain special role on a certain matrix material, and have with matrix material
The layer material of certain bond strength.It can overcome certain defect of matrix material, improve its surface characteristic, and such as optics is special
Property, electrology characteristic, resistant to corrosion and burn into wear resistance and improve mechanical strength etc., it belongs to a kind of film for having a supporter.Work
In industry, generally reach or improve to parent metal in matrix surface plating other metal or alloy of last layer using plating mode
Wear-resisting, corrosion-resistant or other performances.But traditional electroplating technology is sufficiently complex, and harmful substance can be produced, its technique into
This high and dangerous environmental protection.
The content of the invention
It is an object of the invention to provide a kind of corrosion resistant coating of electronic elements, the surface quality of electronic component can be improved,
Good corrosion resistance is made it have, while process is simple, safety and environmental protection.
Technical scheme is as follows：
A kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
Epoxy resin 50-70 parts, graphite powder 3-5 parts, aluminium powder 80-85 parts, zinc powder 2-4 parts, nickel powder 1-3 parts, tin oxide 6-12 parts,
Sodium tripolyphosphate 2-6 parts, acetone 10-18 parts, methylcellulose 1.5-2.5 parts, castor oil polyoxyethylene ether 40-80 parts, sorb
It is sour 20-30 parts.
Further, a kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
50 parts of epoxy resin, 3 parts of graphite powder, 80 parts of aluminium powder, 2 parts of zinc powder, 1 part of nickel powder, 6 parts of tin oxide, 2 parts of sodium tripolyphosphate,
10 parts of acetone, 1.5 parts of methylcellulose, 40 parts of castor oil polyoxyethylene ether, 20 parts of sorbic acid.
Further, a kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
60 parts of epoxy resin, 4 parts of graphite powder, 82 parts of aluminium powder, 3 parts of zinc powder, 2 parts of nickel powder, 9 parts of tin oxide, 4 parts of sodium tripolyphosphate,
14 parts of acetone, 2 parts of methylcellulose, 60 parts of castor oil polyoxyethylene ether, 25 parts of sorbic acid.
Further, a kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
70 parts of epoxy resin, 5 parts of graphite powder, 85 parts of aluminium powder, 4 parts of zinc powder, 3 parts of nickel powder, 12 parts of tin oxide, 6 parts of sodium tripolyphosphate,
18 parts of acetone, 2.5 parts of methylcellulose, 80 parts of castor oil polyoxyethylene ether, 30 parts of sorbic acid.
The graphite powder, aluminium powder, zinc powder, the particle diameter of nickel powder are 500-700nm.
The preparation method of above-mentioned corrosion resistant coating of electronic elements, comprises the following steps：
（1）By epoxy resin, graphite powder, aluminium powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, sorbic acid at 40-60 DEG C plus
Hot 20-30h, it is standby；
（2）Acetone, methylcellulose, castor oil polyoxyethylene ether are subsequently adding, it is well mixed to obtain mixture, it is standby；
（3）Finally by step（2）Gained mixture is coated uniformly on electronic component, is obtained final product after drying.
The advantage of the invention is that：The present invention forms one layer of coating structure of stabilization, with excellent weatherability and anti-spoke
Penetrate, anti-static ability, and coating structure is stable in properties, protection electronic component that can be lasting, reduces foeign element to electronics unit
The infringement that part is caused.And its excellent anti-corrosion performance, 300-400h is soaked in sodium chloride, metal surface is also not in rust
Spot, because sorbic acid improves decay resistance of the invention to a certain extent.While process is simple, safety and environmental protection.
Specific embodiment
The present invention is further described with reference to embodiments, but the invention is not limited in these embodiments.
Embodiment 1
A kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
Epoxy resin 50kg, graphite powder 3kg, aluminium powder 80kg, zinc powder 2kg, nickel powder 1kg, tin oxide 6kg, sodium tripolyphosphate 2kg,
Acetone 10kg, methylcellulose 1.5kg, castor oil polyoxyethylene ether 40kg, sorbic acid 20kg.
The graphite powder, aluminium powder, zinc powder, the particle diameter of nickel powder are 500nm.
The preparation method of above-mentioned corrosion resistant coating of electronic elements, comprises the following steps：
（1）By epoxy resin, graphite powder, aluminium powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, sorbic acid in heating at 40 DEG C
20h, it is standby；
（2）Acetone, methylcellulose, castor oil polyoxyethylene ether are subsequently adding, it is well mixed to obtain mixture, it is standby；
（3）Finally by step（2）Gained mixture is coated uniformly on electronic component, is obtained final product after drying.
Embodiment 2
A kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
Epoxy resin 60kg, graphite powder 4kg, aluminium powder 82kg, zinc powder 3kg, nickel powder 2kg, 9 parts of tin oxide, sodium tripolyphosphate 4kg,
Acetone 14kg, methylcellulose 2kg, castor oil polyoxyethylene ether 60kg, sorbic acid 25kg.
The graphite powder, aluminium powder, zinc powder, the particle diameter of nickel powder are 600nm.
The preparation method of above-mentioned Electronic Protection coating, comprises the following steps：
（1）By epoxy resin, graphite powder, aluminium powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, sorbic acid in heating at 50 DEG C
25h, it is standby；
（2）Acetone, methylcellulose, castor oil polyoxyethylene ether are subsequently adding, it is well mixed to obtain mixture, it is standby；
（3）Finally by step（2）Gained mixture is coated uniformly on electronic component, is obtained final product after drying.
Embodiment 3
A kind of corrosion resistant coating of electronic elements, is mainly made up of following component by weight ratio：
Epoxy resin 70kg, graphite powder 5kg, aluminium powder 85kg, zinc powder 4kg, nickel powder 3kg, tin oxide 12kg, sodium tripolyphosphate 6kg,
Acetone 18kg, methylcellulose 2.5kg, castor oil polyoxyethylene ether 80kg, sorbic acid 30kg.
The graphite powder, aluminium powder, zinc powder, the particle diameter of nickel powder are 700nm.
The preparation method of above-mentioned Electronic Protection coating, comprises the following steps：
（1）By epoxy resin, graphite powder, aluminium powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, sorbic acid in heating at 60 DEG C
30h, it is standby；
（2）Acetone, methylcellulose, castor oil polyoxyethylene ether are subsequently adding, it is well mixed to obtain mixture, it is standby；
（3）Finally by step（2）Gained mixture is coated uniformly on electronic component, is obtained final product after drying.
Experimental example：
The use of obtained in prior art and without the coating material of sorbic acid is reference examples, with embodiment 1, embodiment 2 and real
Applying the gained coating material of example 3 carries out Experimental Comparison.
Product to embodiment 1-3 and reference examples carries out corrosion resistance test.
Test 1：Metal material is processed respectively with coating material obtained in embodiment 1-3 and reference examples, by the material transverse direction
Cut, carry out spray test, agents useful for same is the sodium chloride solution that concentration is 5%, and test period 300 hours is measured in line of cut
The bubbling width that side is formed.
Test 2：Metal material is processed respectively with coating material obtained in embodiment 1-3 and reference examples, by material immersion
In the sodium chloride solution that concentration is 5%, soak 300 hours and 400 hours, observation material surface change.
Test result see the table below：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference examples | |
| Test 1 | Bubbling width is 0 | Bubbling width is 0 | Bubbling width is 0 | Bubbling width is 2 |
| Test 2（After immersion 300 hours） | It is unchanged | It is unchanged | It is unchanged | There is very small amount rust staining in edge |
| Test 2（After immersion 400 hours） | It is unchanged | It is unchanged | It is unchanged | There is rust staining in surface |
Conclusion：Excellent anti-corrosion performance of the invention, soaks 300-400h in sodium chloride, and metal surface is also not in rust
Spot, and the coating corrosion resistance of reference examples can illustrate that coating material of the present invention is better than prior art coating significantly lower than the present invention
Material.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (6)
1. a kind of corrosion resistant coating of electronic elements, it is characterized in that：Mainly it is made up of following component by weight ratio：
Epoxy resin 50-70 parts, graphite powder 3-5 parts, aluminium powder 80-85 parts, zinc powder 2-4 parts, nickel powder 1-3 parts, tin oxide 6-12 parts,
Sodium tripolyphosphate 2-6 parts, acetone 10-18 parts, methylcellulose 1.5-2.5 parts, castor oil polyoxyethylene ether 40-80 parts, sorb
It is sour 20-30 parts.
2. corrosion resistant coating of electronic elements according to claim 1, it is characterized in that：It is main by it is following by weight ratio
Component is constituted：
50 parts of epoxy resin, 3 parts of graphite powder, 80 parts of aluminium powder, 2 parts of zinc powder, 1 part of nickel powder, 6 parts of tin oxide, 2 parts of sodium tripolyphosphate,
10 parts of acetone, 1.5 parts of methylcellulose, 40 parts of castor oil polyoxyethylene ether, 20 parts of sorbic acid.
3. corrosion resistant coating of electronic elements according to claim 1, it is characterized in that：It is main by it is following by weight ratio
Component is constituted：
60 parts of epoxy resin, 4 parts of graphite powder, 82 parts of aluminium powder, 3 parts of zinc powder, 2 parts of nickel powder, 9 parts of tin oxide, 4 parts of sodium tripolyphosphate,
14 parts of acetone, 2 parts of methylcellulose, 60 parts of castor oil polyoxyethylene ether, 25 parts of sorbic acid.
4. corrosion resistant coating of electronic elements according to claim 1, it is characterized in that：It is main by it is following by weight ratio
Component is constituted：
70 parts of epoxy resin, 5 parts of graphite powder, 85 parts of aluminium powder, 4 parts of zinc powder, 3 parts of nickel powder, 12 parts of tin oxide, 6 parts of sodium tripolyphosphate,
18 parts of acetone, 2.5 parts of methylcellulose, 80 parts of castor oil polyoxyethylene ether, 30 parts of sorbic acid.
5. corrosion resistant coating of electronic elements according to claim 1, it is characterized in that：The graphite powder, aluminium powder, zinc powder,
The particle diameter of nickel powder is 500-700nm.
6. the preparation method of corrosion resistant coating of electronic elements according to claim 1, it is characterized in that：Including following step
Suddenly：
（1）By epoxy resin, graphite powder, aluminium powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, sorbic acid at 40-60 DEG C plus
Hot 20-30h, it is standby；
（2）Acetone, methylcellulose, castor oil polyoxyethylene ether are subsequently adding, it is well mixed to obtain mixture, it is standby；
（3）Finally by step（2）Gained mixture is coated uniformly on electronic component, is obtained final product after drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188074.8A CN106752710A (en) | 2016-12-21 | 2016-12-21 | A kind of corrosion resistant coating of electronic elements |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188074.8A CN106752710A (en) | 2016-12-21 | 2016-12-21 | A kind of corrosion resistant coating of electronic elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106752710A true CN106752710A (en) | 2017-05-31 |
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Family Applications (1)
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| CN201611188074.8A Pending CN106752710A (en) | 2016-12-21 | 2016-12-21 | A kind of corrosion resistant coating of electronic elements |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250958A (en) * | 2018-01-30 | 2018-07-06 | 浙江人通电力科技有限公司 | A kind of preparation method of composite anti-corrosive conductive coating |
| CN108250817A (en) * | 2018-01-30 | 2018-07-06 | 浙江人通电力科技有限公司 | A kind of electrical engineering composite anti-corrosive conductive earthing material |
| CN108384294A (en) * | 2018-01-30 | 2018-08-10 | 浙江人通电力科技有限公司 | A kind of composite anti-corrosive conductive coating |
| CN116333572A (en) * | 2023-03-06 | 2023-06-27 | 苏州皇冠涂料科技发展有限公司 | Corrosion-resistant coating and preparation method thereof |
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| CN104356862A (en) * | 2014-11-10 | 2015-02-18 | 合肥宏图彩印有限公司 | Ultraviolet-aging-resistant antirust epoxy finish paint and preparation method thereof |
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| CN105017939A (en) * | 2015-06-30 | 2015-11-04 | 湖州大周高分子材料有限公司 | Environment-friendly anticorrosive paint |
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2016
- 2016-12-21 CN CN201611188074.8A patent/CN106752710A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104629206A (en) * | 2013-11-06 | 2015-05-20 | 金发科技股份有限公司 | Spraying-free PVC composition having special aesthetic effects and preparation method and application thereof |
| CN103756388A (en) * | 2013-12-25 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Antistatic coating for electronic product and preparation method for antistatic coating |
| CN104356862A (en) * | 2014-11-10 | 2015-02-18 | 合肥宏图彩印有限公司 | Ultraviolet-aging-resistant antirust epoxy finish paint and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108250958A (en) * | 2018-01-30 | 2018-07-06 | 浙江人通电力科技有限公司 | A kind of preparation method of composite anti-corrosive conductive coating |
| CN108250817A (en) * | 2018-01-30 | 2018-07-06 | 浙江人通电力科技有限公司 | A kind of electrical engineering composite anti-corrosive conductive earthing material |
| CN108384294A (en) * | 2018-01-30 | 2018-08-10 | 浙江人通电力科技有限公司 | A kind of composite anti-corrosive conductive coating |
| CN116333572A (en) * | 2023-03-06 | 2023-06-27 | 苏州皇冠涂料科技发展有限公司 | Corrosion-resistant coating and preparation method thereof |
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