CN103773119A - Powder coating material for heat-dissipation coating of LED (Light Emitting Diode) lamp - Google Patents
Powder coating material for heat-dissipation coating of LED (Light Emitting Diode) lamp Download PDFInfo
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- CN103773119A CN103773119A CN201410017898.3A CN201410017898A CN103773119A CN 103773119 A CN103773119 A CN 103773119A CN 201410017898 A CN201410017898 A CN 201410017898A CN 103773119 A CN103773119 A CN 103773119A
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Abstract
The invention discloses a powder coating material for heat-dissipation coating of a LED (Light Emitting Diode) lamp. The powder coating material is prepared from the following raw materials in parts by weight: 90 to 93 parts of polyethylene HDPE4000F, 1 to 2 parts of palm wax, 1 to 2 parts of N-ethyl-toluenesulfonamide, 2 to 3 parts of dibutyl phthalate, 1 to 2 parts of maleic anhydride, 5 to 7 parts of barite powder, 6 to 8 parts of poly (propylene glycol adipate), 0.6 to 1 part of 4,4'-oxybis(benzenesulfonyl hydrazide), 0.1 to 0.3 part of etidronic acid, 0.2 to 0.4 part of potassium zirconium carbonate, 0.1 to 0.7 part of tribasic lead sulfate and 10 to 17 parts of modified filling material. The powder coating material is particularly suitable for the heat-dissipation coating of the LED lamp, and is good in heat dissipation, good in water resistance, strong in acid and alkaline resistance as well as good in aging resistance.
Description
Technical field
The present invention relates generally to a kind of powder coating, relates in particular to a kind of heat radiation application powder coating of LED lamp.
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 heat radiation application powder coating of LED lamp.
The present invention is achieved by the following technical solutions:
A heat radiation application powder coating for LED lamp, is characterized in that what it was made up of the raw material of following weight parts:
Polyethylene HDPE4000F90-93, palm wax 1-2, N-ethyl-adjacency pair toluol sulfonamide 1-2, phthalic acid dibutyl ester 2-3, maleic anhydride 1-2, ground barium sulfate 5-7, hexanodioic acid propanediol polyester 6-8,4,4 '-OBSH 0.6-1,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 0.1-0.3, potassium zirconium carbonate 0.2-0.4, lead sulfate tribasic 0.1-0.7, modified filler 10-17;
Described modified filler is made up of the raw material of following weight parts:
Loess 20-24, alkali magnesium sulfate crystal whisker 6-8, gibbsite 5-7, the cross-linking modified polyvinyl alcohol glue 2-4 of tolylene diisocyanate, hexagonal boron nitride 2-3, Stockholm tar 1-2;
Above-mentioned loess is calcined to 1-2 hour at 600-700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 3-4 minute at 120-160 ℃, reduces temperature to 60-70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 200-300 rev/min is stirred 10-20 minute; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
A preparation method for powder coating for the heat radiation application of LED lamp, comprises the following steps:
Above-mentioned hexanodioic acid propanediol polyester is mixed with phthalic acid dibutyl ester, after stirring, add ground barium sulfate, be heated to 55-65 ℃, add palm wax, insulated and stirred 10-13 minute, add the each raw material of residue, mix, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 100-160 mesh sieve, obtains the heat radiation application powder coating of described LED lamp.
Advantage of the present invention is:
Powder coating of the present invention is specially adapted to the heat radiation application of LED lamp, and good heat dissipation effect also has good water tolerance, and anti acid alkali performance is strong, and ageing resistance is good.
Embodiment
Embodiment 1
The heat radiation application powder coating of LED lamp, it is characterized in that it by following weight parts (kilogram) raw material form:
Polyethylene HDPE4000F 93, palm wax 1, N-ethyl-adjacency pair toluol sulfonamide 1, phthalic acid dibutyl ester 2, maleic anhydride 2, ground barium sulfate 5, hexanodioic acid propanediol polyester 8,4,4 '-OBSH 0.6,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 0.3, potassium zirconium carbonate 0.4, lead sulfate tribasic 0.7, modified filler 17;
Described modified filler is made up of the raw material of following weight parts:
Loess 24, alkali magnesium sulfate crystal whisker 8, gibbsite 7, the cross-linking modified polyvinyl alcohol glue 2 of tolylene diisocyanate, hexagonal boron nitride 3, Stockholm tar 1;
Above-mentioned loess is calcined 2 hours at 700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 4 minutes at 160 ℃, reduces temperature to 70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 300 revs/min are stirred 20 minutes; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
A preparation method for powder coating for the heat radiation application of LED lamp, comprises the following steps:
Above-mentioned hexanodioic acid propanediol polyester is mixed with phthalic acid dibutyl ester, after stirring, add ground barium sulfate, be heated to 65 ℃, add palm wax, insulated and stirred 13 minutes, add the each raw material of residue, mix, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 160 mesh sieves, obtains the heat radiation application powder coating of described LED lamp.
Performance test:
Tensile strength: 22.4mpa;
Elongation at break 224.1%.
Claims (2)
1. a heat radiation application powder coating for LED lamp, is characterized in that what it was made up of the raw material of following weight parts:
Polyethylene HDPE4000F90-93, palm wax 1-2, N-ethyl-adjacency pair toluol sulfonamide 1-2, phthalic acid dibutyl ester 2-3, maleic anhydride 1-2, ground barium sulfate 5-7, hexanodioic acid propanediol polyester 6-8,4,4 '-OBSH 0.6-1,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 0.1-0.3, potassium zirconium carbonate 0.2-0.4, lead sulfate tribasic 0.1-0.7, modified filler 10-17;
Described modified filler is made up of the raw material of following weight parts:
Loess 20-24, alkali magnesium sulfate crystal whisker 6-8, gibbsite 5-7, the cross-linking modified polyvinyl alcohol glue 2-4 of tolylene diisocyanate, hexagonal boron nitride 2-3, Stockholm tar 1-2;
Above-mentioned loess is calcined to 1-2 hour at 600-700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 3-4 minute at 120-160 ℃, reduces temperature to 60-70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 200-300 rev/min is stirred 10-20 minute; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
2. a preparation method for powder coating for the heat radiation application of LED lamp as claimed in claim 1, is characterized in that comprising the following steps:
Above-mentioned hexanodioic acid propanediol polyester is mixed with phthalic acid dibutyl ester, after stirring, add ground barium sulfate, be heated to 55-65 ℃, add palm wax, insulated and stirred 10-13 minute, add the each raw material of residue, mix, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 100-160 mesh sieve, obtains the heat radiation application powder coating of described LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017898.3A CN103773119A (en) | 2014-01-15 | 2014-01-15 | Powder coating material for heat-dissipation coating of LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017898.3A CN103773119A (en) | 2014-01-15 | 2014-01-15 | Powder coating material for heat-dissipation coating of LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103773119A true CN103773119A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410017898.3A Pending CN103773119A (en) | 2014-01-15 | 2014-01-15 | Powder coating material for heat-dissipation coating of LED (Light Emitting Diode) lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021533A1 (en) * | 1979-06-29 | 1981-01-07 | Stamicarbon B.V. | Method for the application of a polymer coating to a metal surface, polymer powder suitable for the method, and metal objects covered with said coating |
| CN101205425A (en) * | 2006-12-22 | 2008-06-25 | 徐州正菱涂装有限公司 | Foaming powder coating |
| CN102052543A (en) * | 2009-11-10 | 2011-05-11 | 上海海隆防腐技术工程有限公司 | Composite polyethylene (PE) powder thermally sprayed anticorrosion coating for petroleum and natural gas pipe |
| CN102070970A (en) * | 2010-12-29 | 2011-05-25 | 广州合成材料研究院有限公司 | High-adhesion PE powder coating and preparation method thereof |
| CN103031024A (en) * | 2012-11-22 | 2013-04-10 | 杭州五源科技实业有限公司 | Marine anticorrosive powdered paint and preparation method thereof |
-
2014
- 2014-01-15 CN CN201410017898.3A patent/CN103773119A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021533A1 (en) * | 1979-06-29 | 1981-01-07 | Stamicarbon B.V. | Method for the application of a polymer coating to a metal surface, polymer powder suitable for the method, and metal objects covered with said coating |
| CN101205425A (en) * | 2006-12-22 | 2008-06-25 | 徐州正菱涂装有限公司 | Foaming powder coating |
| CN102052543A (en) * | 2009-11-10 | 2011-05-11 | 上海海隆防腐技术工程有限公司 | Composite polyethylene (PE) powder thermally sprayed anticorrosion coating for petroleum and natural gas pipe |
| CN102070970A (en) * | 2010-12-29 | 2011-05-25 | 广州合成材料研究院有限公司 | High-adhesion PE powder coating and preparation method thereof |
| CN103031024A (en) * | 2012-11-22 | 2013-04-10 | 杭州五源科技实业有限公司 | Marine anticorrosive powdered paint and preparation method thereof |
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Application publication date: 20140507 |
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