CN104877563A - Three-proofing lacquer for circuit board preventing electromagnetic interference - Google Patents
Three-proofing lacquer for circuit board preventing electromagnetic interference Download PDFInfo
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- CN104877563A CN104877563A CN201510317082.7A CN201510317082A CN104877563A CN 104877563 A CN104877563 A CN 104877563A CN 201510317082 A CN201510317082 A CN 201510317082A CN 104877563 A CN104877563 A CN 104877563A
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- electromagnetic interference
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Abstract
The invention relates to the field of coating technology, in particular to three-proofing lacquer for circuit board preventing electromagnetic interference. The three-proofing lacquer comprises the following components in parts by mass: 20-40 parts of polysiloxane, 6-12 parts of rosin modified alkyd resin, 12-16 parts of ethyl acetate, 10-15 parts of trioctyl phosphate, 0.6-1.2 parts of nano-graphite, 0.8-1.8 parts of titanium phosphide powder, 6-10 parts of mineral oil, 6-8 parts of N-Methylpyrrolidine, 2-6 parts of antioxygen, and 2-8 parts of defoamer. The polysiloxane, the rosin modified alkyd resin, the trioctyl phosphate, the nano-graphite, the titanium phosphide powder, the mineral oil and the N-Methylpyrrolidine are compounded to use, so that the three-proofing lacquer is easy to spray during the actual use process, is quick in paint film curing, has both hardness and toughness, is transparent in a paint film, is firm to attach, is waterproof and dampproof, is good in heat stability, has a certain shielding effect on electromagnetic wave, and is beneficial to improving the safety reliability of the circuit board and reducing the failure occurrence probability.
Description
Technical field
The present invention relates to technical field of coatings, especially a kind of circuit card three anti-paints of anti-electromagnetic interference.
Background technology
Along with electronic product turns to miniaturization, integrated, multifunction gradually, Electronic Assemblies industry also in development at a high speed, to the safety performance of completed knocked down products and the requirement of outward appearance also more and more higher.
After finishing assembly, wiring board in use, may be in different environment to electronic component, as humidity, smog, chemical corrosion, Gao Chen, vibrations etc., can produce wiring board go mouldy, the problem such as corrosion, cause wiring board to break down.Three anti-paints are coating materials of a kind of special formulation; three anti-paints are coated in the surface of wiring board; form the protective membrane of layer of transparent; protective membrane can under the environment such as humidity, smog, chemical corrosion, Gao Chen, vibrations protection circuit plate from infringement; improve the reliability of wiring board, add the safety coefficient of whole electronic component.
Existing three anti-paints mainly exist that the protection cycle is short, high temperature easily comes off, can not resist environmental pollutant, especially the burn into of chemical pollutant not easily reprocess, the shortcoming such as poisonous and harmful, therefore the anti-paint formula of improvement three is necessary, the over-all properties of further accentuator plate, promote protection effect, to meet the demand of integrated circuit technique fast development.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, provides a kind of environmental protection, easily reprocesses, the circuit card three anti-paints of corrosion resistant anti-electromagnetic interference.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 20-40 part, rosin modified alkyd resin 6-12 part, ethyl acetate 12-16 part, trioctyl phosphate 10-15 part, nano-graphite 0.6-1.2 part, phosphorus titanium valve 0.8-1.8 part, mineral oil 6-10 part, N-Methyl pyrrolidone 6-8 part, oxidation inhibitor 2-6 part, defoamer 2-8 part.
Further, described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.2-1.8:1.8.
Further, the mol ratio of described 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester is 1:1.5:1.8.
Further, the mol ratio of described 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester is 1:1.2:1.8.
Further, the mass parts of described defoamer is composed as follows: beeswax 35-45 part, C
4-C
8hydramine 8-16 part, C
10-C
18lipid acid 10-15 part, ethyl acetate 12-24 part.
Further, the mass parts of described defoamer is composed as follows: 40 parts, beeswax, C
4-C
8hydramine 12 parts, C
10-C
1812 parts, lipid acid, ethyl acetate 18 parts.
Further, described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
Further, the granular size of described phosphorus titanium valve is 2000-3000 order.
Further, the granular size of described phosphorus titanium valve is 2000 orders.
Further, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 30 parts, rosin modified alkyd resin 8 parts, ethyl acetate 14 parts, trioctyl phosphate 12 parts, nano-graphite 0.8 part, phosphorus titanium valve 1.2 parts, 8 parts, mineral oil, N-Methyl pyrrolidone 8 parts, 4 parts, oxidation inhibitor, defoamer 6 parts.
The beneficial effect of technical scheme of the present invention is adopted to be: the ability adding anti-electromagnetic interference shielding on the basis of tradition three anti-paints, more can adapt to practical service environment; By organo-siloxane, rosin modified alkyd resin, trioctyl phosphate, nano-graphite, phosphorus titanium valve, mineral oil and the composite use of N-Methyl pyrrolidone; Accelerate subsequent cure speed, there is effect of anti-electromagnetic radiation, shielding electromagnetic wave; Three anti-paints prepared by the present invention are easy to spraying in actual use, and film curing is fast, and Hardness and toughness has concurrently, and paint film is transparent, adhere firmly, anti-water resistance tide, Heat stability is good, there is certain shielding effect to hertzian wave, improve the safe reliability of circuit card, reduce fault rate.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 20 parts, rosin modified alkyd resin 6 parts, ethyl acetate 12 parts, trioctyl phosphate 10 parts, nano-graphite 0.6 part, phosphorus titanium valve 0.8 part, 6 parts, mineral oil, N-Methyl pyrrolidone 6 parts, 2 parts, oxidation inhibitor, defoamer 2 parts.
Described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.2:1.8.
The mass parts of described defoamer is composed as follows: 35 parts, beeswax, C
4-C
8hydramine 8 parts, C
10-C
1810 parts, lipid acid, ethyl acetate 12 parts.
Described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
Embodiment 2
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 24 parts, rosin modified alkyd resin 8 parts, ethyl acetate 13 parts, trioctyl phosphate 12 parts, nano-graphite 0.8 part, phosphorus titanium valve 1.0 parts, 8 parts, mineral oil, N-Methyl pyrrolidone 6.5 parts, 3 parts, oxidation inhibitor, defoamer 3 parts.
Described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.5:1.8.
The mass parts of described defoamer is composed as follows: 38 parts, beeswax, C
4-C
8hydramine 10 parts, C
10-C
1812 parts, lipid acid, ethyl acetate 16 parts.
Described phosphorus titanium valve is compound clearance permit phosphorus titanium valve, and preferably, the granular size of described phosphorus titanium valve is 2000 orders.
Embodiment 3
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: the mass parts of described three anti-paints is composed as follows: organopolysiloxane 30 parts, rosin modified alkyd resin 8 parts, ethyl acetate 14 parts, trioctyl phosphate 12 parts, nano-graphite 0.8 part, phosphorus titanium valve 1.2 parts, 8 parts, mineral oil, N-Methyl pyrrolidone 8 parts, 4 parts, oxidation inhibitor, defoamer 6 parts.
Described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.2:1.8.
The mass parts of described defoamer is composed as follows: 40 parts, beeswax, C
4-C
8hydramine 12 parts, C
10-C
1812 parts, lipid acid, ethyl acetate 18 parts.
Described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
Preferably, the granular size of described phosphorus titanium valve is 2500 orders.
Embodiment 4
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 35 parts, rosin modified alkyd resin 10 parts, ethyl acetate 15 parts, trioctyl phosphate 14 parts, nano-graphite 1.0 parts, phosphorus titanium valve 1.6 parts, 8 parts, mineral oil, N-Methyl pyrrolidone 7 parts, 5 parts, oxidation inhibitor, defoamer 7 parts.
Described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.5:1.8.
The mass parts of described defoamer is composed as follows: 42 parts, beeswax, C
4-C
8hydramine 15 parts, C
10-C
1814 parts, lipid acid, ethyl acetate 20 parts.
Described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
Preferably, the granular size of described phosphorus titanium valve is 3000 orders.
Embodiment 5
Circuit card three anti-paints for anti-electromagnetic interference, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 40 parts, rosin modified alkyd resin 12 parts, ethyl acetate 16 parts, trioctyl phosphate 15 parts, nano-graphite 1.2 parts, phosphorus titanium valve 1.8 parts, 10 parts, mineral oil, N-Methyl pyrrolidone 8 parts, 6 parts, oxidation inhibitor, defoamer 8 parts.
Described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.8:1.8.
The mass parts of described defoamer is composed as follows: 45 parts, beeswax, C
4-C
8hydramine 16 parts, C
10-C
1815 parts, lipid acid, ethyl acetate 24 parts.
Described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
Preferably, the granular size of described phosphorus titanium valve is 3000 orders.
Performance Detection:
Carry out Performance Detection to three anti-paints obtained in embodiment 1-5, examination criteria is in table 1, and detected result is in table 2, and control group is commercially available three anti-paints.
Table 1 is the examination criteria of three anti-paints of the present invention.
Table 2
Embodiment 3 is preferred embodiment.
Although above-described embodiment describes in detail technical scheme of the present invention, but technical scheme of the present invention is not limited to above embodiment, when not departing from thought of the present invention and aim, claims limited range of the present invention all will be fallen into any change that technical scheme of the present invention is done.
Claims (10)
1. the circuit card three anti-paints of an anti-electromagnetic interference, it is characterized in that, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 20-40 part, rosin modified alkyd resin 6-12 part, ethyl acetate 12-16 part, trioctyl phosphate 10-15 part, nano-graphite 0.6-1.2 part, phosphorus titanium valve 0.8-1.8 part, mineral oil 6-10 part, N-Methyl pyrrolidone 6-8 part, oxidation inhibitor 2-6 part, defoamer 2-8 part.
2. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, it is characterized in that, described oxidation inhibitor is made up of following material: 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester, its mol ratio is 1:1.2-1.8:1.8.
3. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 2, it is characterized in that, the mol ratio of described 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester is 1:1.5:1.8.
4. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 2, it is characterized in that, the mol ratio of described 2,6-tri-grades of butyl-4-4 methylphenols, two (3,5-tri-grades of butyl-4-hydroxy phenyls) thioether, two Lauryl Alcohol ester is 1:1.2:1.8.
5. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, is characterized in that: the mass parts of described defoamer is composed as follows: beeswax 35-45 part, C
4-C
8hydramine 8-16 part, C
10-C
18lipid acid 10-15 part, ethyl acetate 12-24 part.
6. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 5, is characterized in that: the mass parts of described defoamer is composed as follows: 40 parts, beeswax, C
4-C
8hydramine 12 parts, C
10-C
1812 parts, lipid acid, ethyl acetate 18 parts.
7. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, is characterized in that: described phosphorus titanium valve is compound clearance permit phosphorus titanium valve.
8. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, is characterized in that: the granular size of described phosphorus titanium valve is 2000-3000 order.
9. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, is characterized in that: the granular size of described phosphorus titanium valve is 2000 orders.
10. the circuit card three anti-paints of a kind of anti-electromagnetic interference according to claim 1, it is characterized in that, the mass parts of described three anti-paints is composed as follows: organopolysiloxane 30 parts, rosin modified alkyd resin 8 parts, ethyl acetate 14 parts, trioctyl phosphate 12 parts, nano-graphite 0.8 part, phosphorus titanium valve 1.2 parts, 8 parts, mineral oil, N-Methyl pyrrolidone 8 parts, 4 parts, oxidation inhibitor, defoamer 6 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317082.7A CN104877563A (en) | 2015-06-11 | 2015-06-11 | Three-proofing lacquer for circuit board preventing electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317082.7A CN104877563A (en) | 2015-06-11 | 2015-06-11 | Three-proofing lacquer for circuit board preventing electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104877563A true CN104877563A (en) | 2015-09-02 |
Family
ID=53945252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510317082.7A Pending CN104877563A (en) | 2015-06-11 | 2015-06-11 | Three-proofing lacquer for circuit board preventing electromagnetic interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104877563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903782A (en) * | 2017-11-30 | 2018-04-13 | 马鞍山市宝奕金属制品工贸有限公司 | A kind of metal product surface antirust paint |
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| CN1426828A (en) * | 2001-12-17 | 2003-07-02 | 中国石油天然气集团公司 | Emulsion type defoaming agent |
| EP1967612A1 (en) * | 2005-12-28 | 2008-09-10 | JFE Steel Corporation | Electromagnetic steel sheet having insulating coating film and method for producing same |
| CN102604585A (en) * | 2012-03-12 | 2012-07-25 | 深圳市兴时达科技产品有限公司 | Electronic protecting glue, and preparation method and application thereof |
| CN104031519A (en) * | 2014-05-12 | 2014-09-10 | 铜陵市超远精密电子科技有限公司 | Electromagnetic-interference-preventing three-proofing lacquer for printed-circuit boards |
| CN104073131A (en) * | 2014-06-04 | 2014-10-01 | 乐凯特科技铜陵有限公司 | Tri-proof paint for weather-resistant printed circuit board |
| CN104403531A (en) * | 2014-11-21 | 2015-03-11 | 芜湖市宝艺游乐科技设备有限公司 | Electromagnetic-interference-resistant fireproof insulating paint and preparation method thereof |
| CN104673042A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化系统工程有限公司 | Flame-retardant steel surface coating material and preparation method thereof |
-
2015
- 2015-06-11 CN CN201510317082.7A patent/CN104877563A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426828A (en) * | 2001-12-17 | 2003-07-02 | 中国石油天然气集团公司 | Emulsion type defoaming agent |
| EP1967612A1 (en) * | 2005-12-28 | 2008-09-10 | JFE Steel Corporation | Electromagnetic steel sheet having insulating coating film and method for producing same |
| CN102604585A (en) * | 2012-03-12 | 2012-07-25 | 深圳市兴时达科技产品有限公司 | Electronic protecting glue, and preparation method and application thereof |
| CN104031519A (en) * | 2014-05-12 | 2014-09-10 | 铜陵市超远精密电子科技有限公司 | Electromagnetic-interference-preventing three-proofing lacquer for printed-circuit boards |
| CN104073131A (en) * | 2014-06-04 | 2014-10-01 | 乐凯特科技铜陵有限公司 | Tri-proof paint for weather-resistant printed circuit board |
| CN104403531A (en) * | 2014-11-21 | 2015-03-11 | 芜湖市宝艺游乐科技设备有限公司 | Electromagnetic-interference-resistant fireproof insulating paint and preparation method thereof |
| CN104673042A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化系统工程有限公司 | Flame-retardant steel surface coating material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903782A (en) * | 2017-11-30 | 2018-04-13 | 马鞍山市宝奕金属制品工贸有限公司 | A kind of metal product surface antirust paint |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |
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| RJ01 | Rejection of invention patent application after publication |