CN105086644A - Led heat dissipation coating containing oyster shell powder and preparing method thereof - Google Patents
Led heat dissipation coating containing oyster shell powder and preparing method thereof Download PDFInfo
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- CN105086644A CN105086644A CN201510500344.3A CN201510500344A CN105086644A CN 105086644 A CN105086644 A CN 105086644A CN 201510500344 A CN201510500344 A CN 201510500344A CN 105086644 A CN105086644 A CN 105086644A
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Abstract
The invention discloses a led heat dissipation coating containing oyster shell powder. The led heat dissipation coating is composed of, by weight, 10-14 parts of the oyster shell powder, 2-3 parts of cellulose acetate fiber, 0.6-1 part of ammonium metavanadate, 360-400 parts of high-density polyethylene, 100-130 parts of sodium hydroxide, 400-420 parts of bisphenol A, 160-180 parts of epoxy chloropropane, 10-12 parts of silicon nitride, 2-3 parts of acrylamide, 1-1.6 parts of ammonium chloride, 0.05-0.1 part of N,N-methylene bisacrylamide, 3-4 parts of ammonium persulfate, 0.01-0.02 part of TritonX114, 1.8-2 parts of ammonia liquor, 10-20 parts of diethylenetriamine, 30-42 parts of carbon nano-tubes, 6-10 parts of perluorooctyl methacrylic acid, 1-2 parts of sodium tripolyphosphate, 0.1-0.2 part of 2-dibromo-3-cyanoacrylamides, 0.1-0.2 part of trimethylolpropane, 0.1-0.3 part of sp80, 1-2 parts of glycerin monostearate and 3-4 parts of sodium diacetate. According to the led heat dissipation coating containing the oyster shell powder, the oyster shell powder is added, so that the consistency among various materials can be improved effectively, the intensity of the surfaces of coated films is improved, and the production cost is lowered.
Description
Technical field
The present invention relates to heat radiation coating technical field, particularly relate to a kind of led heat radiation coating containing oyster shell powder and preparation method thereof.
Background technology
Epoxy resin is one of very important thermoset macromolecule material, has cohesive strength high, and electrical insulation capability is good, the advantages such as shrinking percentage is low, good processability, is widely used in each fields such as electronics, machinery, building;
CNT (carbon nano-tube) has higher thermal conductivity, therefore CNT (carbon nano-tube) is filled in epoxy resin as packing material and has good application prospect as a kind of heat sink material, but due to the nano effect of CNT (carbon nano-tube), CNT (carbon nano-tube) is more difficult dispersion in the epoxy.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of led heat radiation coating containing oyster shell powder and preparation method thereof.
The present invention is achieved by the following technical solutions:
Containing a led heat radiation coating for oyster shell powder, it is made up of the raw material of following weight parts:
Oyster shell powder 10-14, cellulose acetate 2-3, ammonium meta-vanadate 0.6-1, high density polyethylene(HDPE) 360-400, sodium hydroxide 100-130, dihydroxyphenyl propane 400-420, epoxy chloropropane 160-180, silicon nitride 10-12, acrylamide 2-3, ammonium chloride 1-1.6, N, N-methylene-bisacrylamide 0.05-0.1, ammonium persulphate 3-4, TritonX1140.01-0.02, ammoniacal liquor 1.8-2, diethylenetriamine 10-20, CNT (carbon nano-tube) 30-42, methacrylic acid ten trifluoro monooctyl ester 6-10, tripoly phosphate sodium STPP 1-2, 2, 2-bis-bromo-3-cyano group propionic acid amide 0.1-0.2, TriMethylolPropane(TMP) 0.1-0.2, sp800.1-0.3, glyceryl monostearate 1-2, sodium Diacetate 3-4.
A preparation method for the described led heat radiation coating containing oyster shell powder, comprises the following steps:
(1) above-mentioned sodium hydroxide is added water, be mixed with the sodium hydroxide solution of 10-15%;
(2) above-mentioned tripoly phosphate sodium STPP is joined in 20-30 times of water, stir, add ammonium meta-vanadate, cellulose acetate, 100-200 rev/min is stirred 3-5 minute, and raised temperature is 80-90 DEG C, adds oyster shell powder, be stirred to water to do, mix with CNT (carbon nano-tube), silicon nitride, ammonium chloride, ball milling is even;
(3) by aforesaid propylene acid amides, N,N methylene bis acrylamide, TritonX114 mixing, join in 40-50 times of water, stir, add above-mentioned ball milling material, 1400-1500 rev/min of dispersed with stirring 1-2 minute, add ammonium persulphate, ammoniacal liquor, leave standstill 3-4 hour, obtain frothy gel;
(4) above-mentioned TriMethylolPropane(TMP) is joined in 30-40 times of dehydrated alcohol, stir, add glyceryl monostearate, insulated and stirred 7-10 minute at 50-60 DEG C, obtain alkanol liquid;
(5) joined in 30-41 times of water by above-mentioned sodium Diacetate, stir, add sp80, methacrylic acid ten trifluoro monooctyl ester, insulated and stirred 10-16 minute at 80-90 DEG C, obtains emulsifiable polyisocyanate liquid;
(6) by above-mentioned alkanol liquid, the mixing of emulsifiable polyisocyanate liquid, 600-1000 rev/min is stirred 1-2 minute, obtains modified emulsifying liquid;
(7) in the sodium hydroxide solution of above-mentioned 10-15%, dihydroxyphenyl propane is added, raised temperature is 60-65 DEG C, add frothy gel, ultrasonic stirring process 30-40 minute, adds epoxy chloropropane, raised temperature is 80-85 DEG C, insulated and stirred 3-4 hour, adds above-mentioned modified emulsifying liquid, stirs, cooling after washing, to neutral, is dried;
(8) material after above-mentioned oven dry is mixed with diethylenetriamine, stir 3-5 minute, add each raw material of residue, stir, be sent in twin screw extruder and melt extrude, pulverize and sieve after cooling, obtain described heat radiation coating.
Advantage of the present invention is:
(1) powder coating of the present invention has good resistance to impact shock:
Carbon nanotube has larger surfactivity, with macromolecular chain generation physics or chemically combined chance many, increase with substrate contact area, carbon nanotube forms the reactive force much larger than Van der Waals force with epoxide group on interface, form desirable interface, be conducive to the Stress transmit between CNT (carbon nano-tube) and epoxy resin, improve the ability bearing load, when matrix material is subject to foreign impacts power, epoxy resin can pass to carbon nanotube and silicon nitride surging force, make carbon nanotube, silicon nitride absorbs more energy, thus matrix material can be made to bear higher impact force,
(2) powder coating of the present invention has very high sticking power:
The string stress making to produce in curing of coating process that adds of carbon nanotube, silicon nitride reduces, thus the sticking power of film is improved;
(3) powder coating of the present invention has good salt spray resistance:
Carbon nanotube, silicon nitride have good dispersiveness in the epoxy, and the carbon nanotube of these good distribution, silicon nitride can play the effect of extra physical crosslinking point, and the compactness of the powder coating film obtained is improved, and salt spray resistance also increases thereupon;
(4) powder coating of the present invention has good thermal diffusivity:
Silicon nitride has very low specific inductivity, good chemical stability and heat-shock resistance, inherently there is good heat conductivility, and the material after curing molding formed a kind of with the network structure of polyacrylamide be skeleton, foam and particle stabilized to exist wherein, there is some strength and flexible porous body, stable heat dissipation channel is formed between these stable hole CNT (carbon nano-tube), be conducive to distributing of heat, greatly improve thermal conductivity.
The oyster shell powder that the present invention adds effectively can improve the consistency of each storeroom, improves film coated surface intensity, reduces production cost.
Embodiment
Containing a led heat radiation coating for oyster shell powder, it is made up of the raw material of following weight parts:
Oyster shell powder 10, cellulose acetate 2, ammonium meta-vanadate 0.6, high density polyethylene(HDPE) 360, sodium hydroxide 100, dihydroxyphenyl propane 400, epoxy chloropropane 160, silicon nitride 10, acrylamide 2, ammonium chloride 1, N, N methylene-bisacrylamide 0.05, ammonium persulphate 3, TritonX1140.01, ammoniacal liquor 1.8, diethylenetriamine 10, CNT (carbon nano-tube) 30, methacrylic acid ten trifluoro monooctyl ester 6, tripoly phosphate sodium STPP 1,2,2 dibromo cyano group propionic acid amide 0.1, TriMethylolPropane(TMP) 0.1, sp800.1, glyceryl monostearate 1, sodium Diacetate 3.
A preparation method for the described led heat radiation coating containing oyster shell powder, comprises the following steps:
(1) above-mentioned sodium hydroxide is added water, be mixed with the sodium hydroxide solution of 10%;
(2) above-mentioned tripoly phosphate sodium STPP is joined in 20 times of water, stir, add ammonium meta-vanadate, cellulose acetate, 100 revs/min are stirred 3 minutes, and raised temperature is 80 DEG C, adds oyster shell powder, be stirred to water to do, mix with CNT (carbon nano-tube), silicon nitride, ammonium chloride, ball milling is even;
(3) by aforesaid propylene acid amides, N, N methylene-bisacrylamide, TritonX114 mixing, join in 40 times of water, stir, add above-mentioned ball milling material, 1400 revs/min of dispersed with stirring 1 minute, add ammonium persulphate, ammoniacal liquor, leave standstill 3 hours, obtain frothy gel;
(4) joined in 30 times of dehydrated alcohols by above-mentioned TriMethylolPropane(TMP), stir, add glyceryl monostearate, at 50 DEG C, insulated and stirred 7 minutes, obtains alkanol liquid;
(5) joined in 30 times of water by above-mentioned sodium Diacetate, stir, add sp80, methacrylic acid ten trifluoro monooctyl ester, at 80 DEG C, insulated and stirred 10 minutes, obtains emulsifiable polyisocyanate liquid;
(6) by above-mentioned alkanol liquid, the mixing of emulsifiable polyisocyanate liquid, 600 revs/min are stirred 1 minute, obtain modified emulsifying liquid;
(7) in the sodium hydroxide solution of above-mentioned 10%, dihydroxyphenyl propane is added, raised temperature is 60 DEG C, add frothy gel, ultrasonic stirring process 30 minutes, adds epoxy chloropropane, raised temperature is 80 DEG C, insulated and stirred 3 hours, adds above-mentioned modified emulsifying liquid, stirs, cooling after washing, to neutral, is dried;
(8) material after above-mentioned oven dry is mixed with diethylenetriamine, stir 3 minutes, add each raw material of residue, stir, be sent in twin screw extruder and melt extrude, pulverize and sieve after cooling, obtain described heat radiation coating.
Performance test:
Impact resistance is 32kgcm;
Sticking power and resistance to Neutral Salt Spray Corrosion grade are 2 grades;
Thermal conductivity is 0.513W/mK.
Claims (2)
1., containing a led heat radiation coating for oyster shell powder, it is characterized in that what it was made up of the raw material of following weight parts:
Oyster shell powder 10-14, cellulose acetate 2-3, ammonium meta-vanadate 0.6-1, high density polyethylene(HDPE) 360-400, sodium hydroxide 100-130, dihydroxyphenyl propane 400-420, epoxy chloropropane 160-180, silicon nitride 10-12, acrylamide 2-3, ammonium chloride 1-1.6, N, N-methylene-bisacrylamide 0.05-0.1, ammonium persulphate 3-4, TritonX1140.01-0.02, ammoniacal liquor 1.8-2, diethylenetriamine 10-20, CNT (carbon nano-tube) 30-42, methacrylic acid ten trifluoro monooctyl ester 6-10, tripoly phosphate sodium STPP 1-2, 2, 2-bis-bromo-3-cyano group propionic acid amide 0.1-0.2, TriMethylolPropane(TMP) 0.1-0.2, sp800.1-0.3, glyceryl monostearate 1-2, sodium Diacetate 3-4.
2., as claimed in claim 1 containing a preparation method for the led heat radiation coating of oyster shell powder, it is characterized in that comprising the following steps:
(1) above-mentioned sodium hydroxide is added water, be mixed with the sodium hydroxide solution of 10-15%;
(2) above-mentioned tripoly phosphate sodium STPP is joined in 20-30 times of water, stir, add ammonium meta-vanadate, cellulose acetate, 100-200 rev/min is stirred 3-5 minute, and raised temperature is 80-90 DEG C, adds oyster shell powder, be stirred to water to do, mix with CNT (carbon nano-tube), silicon nitride, ammonium chloride, ball milling is even;
(3) by aforesaid propylene acid amides, N,N methylene bis acrylamide, TritonX114 mixing, join in 40-50 times of water, stir, add above-mentioned ball milling material, 1400-1500 rev/min of dispersed with stirring 1-2 minute, add ammonium persulphate, ammoniacal liquor, leave standstill 3-4 hour, obtain frothy gel;
(4) above-mentioned TriMethylolPropane(TMP) is joined in 30-40 times of dehydrated alcohol, stir, add glyceryl monostearate, insulated and stirred 7-10 minute at 50-60 DEG C, obtain alkanol liquid;
(5) joined in 30-41 times of water by above-mentioned sodium Diacetate, stir, add sp80, methacrylic acid ten trifluoro monooctyl ester, insulated and stirred 10-16 minute at 80-90 DEG C, obtains emulsifiable polyisocyanate liquid;
(6) by above-mentioned alkanol liquid, the mixing of emulsifiable polyisocyanate liquid, 600-1000 rev/min is stirred 1-2 minute, obtains modified emulsifying liquid;
(7) in the sodium hydroxide solution of above-mentioned 10-15%, dihydroxyphenyl propane is added, raised temperature is 60-65 DEG C, add frothy gel, ultrasonic stirring process 30-40 minute, adds epoxy chloropropane, raised temperature is 80-85 DEG C, insulated and stirred 3-4 hour, adds above-mentioned modified emulsifying liquid, stirs, cooling after washing, to neutral, is dried;
(8) material after above-mentioned oven dry is mixed with diethylenetriamine, stir 3-5 minute, add each raw material of residue, stir, be sent in twin screw extruder and melt extrude, pulverize and sieve after cooling, obtain described heat radiation coating.
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| CN201510500344.3A CN105086644A (en) | 2015-08-14 | 2015-08-14 | Led heat dissipation coating containing oyster shell powder and preparing method thereof |
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| CN201510500344.3A CN105086644A (en) | 2015-08-14 | 2015-08-14 | Led heat dissipation coating containing oyster shell powder and preparing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022249A (en) * | 2017-05-15 | 2017-08-08 | 项铭博 | A kind of preparation method for the polyethylene powder coating that radiates |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807817A (en) * | 2012-08-27 | 2012-12-05 | 安徽世林照明股份有限公司 | Method for preparing radiating coating of light-emitting diode (LED) lamp |
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- 2015-08-14 CN CN201510500344.3A patent/CN105086644A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807817A (en) * | 2012-08-27 | 2012-12-05 | 安徽世林照明股份有限公司 | Method for preparing radiating coating of light-emitting diode (LED) lamp |
Non-Patent Citations (1)
| Title |
|---|
| 孙酣经: "《化工新材料》", 31 January 2004, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107022249A (en) * | 2017-05-15 | 2017-08-08 | 项铭博 | A kind of preparation method for the polyethylene powder coating that radiates |
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Application publication date: 20151125 |