CN103740182A - High-hardness heat radiating paint - Google Patents
High-hardness heat radiating paint Download PDFInfo
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- CN103740182A CN103740182A CN201410018947.5A CN201410018947A CN103740182A CN 103740182 A CN103740182 A CN 103740182A CN 201410018947 A CN201410018947 A CN 201410018947A CN 103740182 A CN103740182 A CN 103740182A
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Abstract
The invention discloses high-hardness heat radiating paint. The high-hardness heat radiating paint comprises the following raw materials in parts by weight: 90 to 95 parts of ultra high molecular weight polyethylene, 2 to 4 parts of aluminium silicate fibers, 1 to 2 parts of tungsten carbide, 0.3 to 1 part of imarcaptoacetate dioctyltin, 0.4 to 1 part of acetyl tributyl citrate, 2 to 3 parts of calcium aluminate, 5 to 8 parts of talcum powder, 1 to 2 parts of 1-ethoxy-2-oil-base imidazoline, 0.5 to 1 part of lead acetate, 1 to 2 parts of cetyl trimethyl ammonium bromide, 2 to 4 parts of hollow glass beads, 1 to 2 parts of disodium octaborate tetrahydrate, 4 to 6 parts of barium stearate and 7 to 13 parts of modified additive. The raw materials such as tungsten carbide are added to the powder paint, so that the surface hardness of a coating is improved, the mechanical properties such as the impact resistance can be improved, and the heat radiating performance of the coating can be enhanced by adding the hollow glass beads.
Description
Technical field
The present invention relates generally to a kind of powder coating, relates in particular to a kind of high rigidity heat radiation coating.
Background technology
Heat conduction and heat radiation coating is widely used in computer, notebook computer, LED illumination, communication, rectifier, and medical treatment and industrial equipments etc. has the field of heat radiation requirement, is mainly coated in the surface of scatterer.
The heat radiation coating of producing at present is generally applied to heat radiation and the heat radiation of LED light fixture of the components and parts of the electronic products such as CPU more, medium for brushing is had relatively high expectations, not strong for more coarse, loose body surface sticking power, result of use is undesirable, and the scope of application is less.
Summary of the invention
The object of the invention is just to provide a kind of high rigidity heat radiation coating.
The present invention is achieved by the following technical solutions:
A high rigidity heat radiation coating, is characterized in that what it was comprised of the raw material of following weight parts:
Ultrahigh molecular weight polyethylene(UHMWPE) 90-95, aluminum silicate fiber 2-4, wolfram varbide 1-2, Imarcaptoacetate dioctyltin 0.3-1, tributyl acetylcitrate 0.4-1, calcium aluminate 2-3, talcum powder 5-8,1-hydroxyethyl-2-oil-based imidazoline 1-2, plumbic acetate 0.5-1, cetyl trimethylammonium bromide 1-2, hollow glass micropearl 2-4, four water eight borate two sodium 1-2, barium stearate 4-6, modified additive 7-13;
Described modified filler is comprised of the raw material of following weight parts:
Agalmatolite 20-30, diatomite 30-40, alum powder 2-3, jade powder 4-6, four water eight borate two sodium 2-3, two decyl dimethyl brometo de amonio 0.8-1, calcium acetylacetonate 1-2, diacetone alcohol 1-2;
Above-mentioned diatomite is calcined to 1-2 hour at 500-700 ℃, be cooled to room temperature, add four water eight borate two sodium, agalmatolite, mixed grinding 20-30 minute, add diacetone alcohol, calcium acetylacetonate, stirring reaction 10-15 minute at 60-80 ℃, reduction temperature is normal temperature, adds two decyl dimethyl brometo de amonios, 200-300 rev/min of dispersed with stirring 3-5 minute, add each raw material of residue, be fully uniformly mixed, obtain described modified additive.
A preparation method for high rigidity heat radiation coating, comprises the following steps:
Above-mentioned aluminum silicate fiber, wolfram varbide, hollow glass micropearl are mixed, after stirring, add four water eight borate two sodium, barium stearate, insulated and stirred 10-14 minute at 70-80 ℃, add calcium aluminate, 100-200 rev/min is stirred 5-6 minute, adds each raw material of residue, stirs, send into twin screw extruder, carry out melting, extrude and granulation, wear into fine powder and sieve, obtain described high rigidity heat radiation coating.
Advantage of the present invention is:
Powder coating of the present invention has added the raw materials such as wolfram varbide, has strengthened the surface hardness of coating, has improved the mechanical propertys such as shock resistance, and the hollow glass micropearl adding has strengthened the heat dispersion of coating.
Embodiment
Embodiment 1
A high rigidity heat radiation coating, it is characterized in that it by following weight parts (kilogram) raw material form:
Ultrahigh molecular weight polyethylene(UHMWPE) 95, aluminum silicate fiber 2, wolfram varbide 2, Imarcaptoacetate dioctyltin 0.3, tributyl acetylcitrate 0.4, calcium aluminate 3, talcum powder 5,1-hydroxyethyl-2-oil-based imidazoline 2, plumbic acetate 0.5, cetyl trimethylammonium bromide 2, hollow glass micropearl 2, four water eight borate two sodium 1, barium stearate 4, modified additive 13;
Described modified filler is comprised of the raw material of following weight parts:
Agalmatolite 30, diatomite 40, alum powder 3, jade powder 6, four water eight borate two sodium 3, two decyl dimethyl brometo de amonio 0.8, calcium acetylacetonate 2, diacetone alcohol 2;
Above-mentioned diatomite is calcined 2 hours at 700 ℃, be cooled to room temperature, add four water eight borate two sodium, agalmatolite, mixed grinding 30 minutes, add diacetone alcohol, calcium acetylacetonate, at 80 ℃, stirring reaction is 15 minutes, and reduction temperature is normal temperature, adds two decyl dimethyl brometo de amonios, 300 revs/min of dispersed with stirring 5 minutes, add each raw material of residue, be fully uniformly mixed, obtain described modified additive.
A preparation method for high rigidity heat radiation coating, comprises the following steps:
Above-mentioned aluminum silicate fiber, wolfram varbide, hollow glass micropearl are mixed, after stirring, add four water eight borate two sodium, barium stearate, at 80 ℃, insulated and stirred is 14 minutes, add calcium aluminate, 200 revs/min are stirred 5 minutes, add each raw material of residue, stir, send into twin screw extruder, carry out melting, extrude and granulation, wear into fine powder and sieve, obtain described high rigidity heat radiation coating.
Performance test:
Appearance of film: smooth smooth, without shrinkage cavity, free of pinholes;
Test is just recoiling: by;
Pencil hardness test: 2H is without scuffing.
Claims (2)
1. a high rigidity heat radiation coating, is characterized in that what it was comprised of the raw material of following weight parts:
Ultrahigh molecular weight polyethylene(UHMWPE) 90-95, aluminum silicate fiber 2-4, wolfram varbide 1-2, Imarcaptoacetate dioctyltin 0.3-1, tributyl acetylcitrate 0.4-1, calcium aluminate 2-3, talcum powder 5-8,1-hydroxyethyl-2-oil-based imidazoline 1-2, plumbic acetate 0.5-1, cetyl trimethylammonium bromide 1-2, hollow glass micropearl 2-4, four water eight borate two sodium 1-2, barium stearate 4-6, modified additive 7-13;
Described modified filler is comprised of the raw material of following weight parts:
Agalmatolite 20-30, diatomite 30-40, alum powder 2-3, jade powder 4-6, four water eight borate two sodium 2-3, two decyl dimethyl brometo de amonio 0.8-1, calcium acetylacetonate 1-2, diacetone alcohol 1-2;
Above-mentioned diatomite is calcined to 1-2 hour at 500-700 ℃, be cooled to room temperature, add four water eight borate two sodium, agalmatolite, mixed grinding 20-30 minute, add diacetone alcohol, calcium acetylacetonate, stirring reaction 10-15 minute at 60-80 ℃, reduction temperature is normal temperature, adds two decyl dimethyl brometo de amonios, 200-300 rev/min of dispersed with stirring 3-5 minute, add each raw material of residue, be fully uniformly mixed, obtain described modified additive.
2. a preparation method for high rigidity heat radiation coating as claimed in claim 1, is characterized in that comprising the following steps:
Above-mentioned aluminum silicate fiber, wolfram varbide, hollow glass micropearl are mixed, after stirring, add four water eight borate two sodium, barium stearate, insulated and stirred 10-14 minute at 70-80 ℃, add calcium aluminate, 100-200 rev/min is stirred 5-6 minute, adds each raw material of residue, stirs, send into twin screw extruder, carry out melting, extrude and granulation, wear into fine powder and sieve, obtain described high rigidity heat radiation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018947.5A CN103740182A (en) | 2014-01-15 | 2014-01-15 | High-hardness heat radiating paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410018947.5A CN103740182A (en) | 2014-01-15 | 2014-01-15 | High-hardness heat radiating paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103740182A true CN103740182A (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410018947.5A Pending CN103740182A (en) | 2014-01-15 | 2014-01-15 | High-hardness heat radiating paint |
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| CN (1) | CN103740182A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111842A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠南自仪表有限公司 | Hard heat-dissipation paint and preparation method therefor |
| CN105111838A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠南自仪表有限公司 | Blended graphene and silicon dioxide dispersing and heat-dispersion paint and preparation method therefor |
| CN110835427A (en) * | 2019-11-15 | 2020-02-25 | 西安海的电子科技有限公司 | Preparation method of computer mainboard heat dissipation material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585698A (en) * | 2012-03-21 | 2012-07-18 | 北京国泰瑞华精藻硅特种材料有限公司 | Water-based industrial heat-proof coating |
| US20120229981A1 (en) * | 2011-03-09 | 2012-09-13 | Chen-Lung Lin | Electrically insulating and thermally conductive composition and electronic device |
| CN103497549A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | High-adhesion polyethylene powder coating |
| CN103497621A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Special antimicrobial powder coating for radiator |
-
2014
- 2014-01-15 CN CN201410018947.5A patent/CN103740182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120229981A1 (en) * | 2011-03-09 | 2012-09-13 | Chen-Lung Lin | Electrically insulating and thermally conductive composition and electronic device |
| CN102585698A (en) * | 2012-03-21 | 2012-07-18 | 北京国泰瑞华精藻硅特种材料有限公司 | Water-based industrial heat-proof coating |
| CN103497549A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | High-adhesion polyethylene powder coating |
| CN103497621A (en) * | 2013-09-24 | 2014-01-08 | 安徽锐视光电技术有限公司 | Special antimicrobial powder coating for radiator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105111842A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠南自仪表有限公司 | Hard heat-dissipation paint and preparation method therefor |
| CN105111838A (en) * | 2015-08-13 | 2015-12-02 | 蚌埠南自仪表有限公司 | Blended graphene and silicon dioxide dispersing and heat-dispersion paint and preparation method therefor |
| CN110835427A (en) * | 2019-11-15 | 2020-02-25 | 西安海的电子科技有限公司 | Preparation method of computer mainboard heat dissipation material |
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Application publication date: 20140423 |
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| RJ01 | Rejection of invention patent application after publication |