CN105860756A - Chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder and preparation method of chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder - Google Patents
Chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder and preparation method of chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder Download PDFInfo
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- CN105860756A CN105860756A CN201610296719.3A CN201610296719A CN105860756A CN 105860756 A CN105860756 A CN 105860756A CN 201610296719 A CN201610296719 A CN 201610296719A CN 105860756 A CN105860756 A CN 105860756A
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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
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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
- 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
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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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses chemical-corrosion-resistant high-thermal-conductivity insulation varnish for an LED lamp holder. The chemical-corrosion-resistant high-thermal-conductivity insulation varnish has the advantages that on the basis of the prior art, a heat dissipation enhancer prepared through modification is good in heat dissipation performance and is good in affinity with epoxy resin polymers so as to be less prone to sedimentation; kaolin subjected to coating modification by tung oil and fenugreek gum is smooth and lubricant in surface, so that a varnish film is smoother without bubbling; after the modified nanometer titanium dioxide is added, a layer of 'shell' can be formed to protect an inner insulation material; nano particles with small particle size can be combined with an organic insulation resin material within a smaller range, so that electric strength of the varnish film is improved effectively, and excellent insulativity is achieved; the insulation varnish is excellent in mechanical performance, high in electric strength, low in dielectric loss and high in chemical resistance stability and thermal conductivity.
Description
Technical field
The present invention relates to technical field of coatings, LED seat high heat conductive insulating paint particularly relating to a kind of resistance to chemical attack and preparation method thereof.
Background technology
LED electricity-saving lamp is as a kind of novel lighting source; with energy-conservation, healthy, environmental protection and the distinguishing feature of life-span length; receive the favor of numerous people and vigorously supporting of country; rapid expansion along with LED range; extending LED and the most become urgent problem service life, LED seating face spraying high heat conductive insulating paint is carried out protection is exactly wherein one of means.
Insulated paint is a kind of functional coating with good electrical insulation, the quality of insulated paint resistance to sparking energy, and economic and technical norms and service life to electrical equipment have crucial effect.A lot of inorganic color stuffings itself possess the insulating properties of excellence, by physical method, appropriate inorganic powder is evenly spread in insulated paint, organic phase and inorganic phase is made to be combined, the electrical strength of insulated paint, heat resistance, resistance to ag(e)ing and mechanical property etc. can be improved, give insulated paint application performance higher, wider array of, increasingly paid close attention to by people.If " development of high heat conductive insulating paint and the application on low voltage motor thereof " literary composition is with unsaturated polyester modified epoxy resin as matrix, using diamond, carborundum and alumina powder after silane coupler surface modification is that high heat conductive insulating paint prepared respectively by filler, result shows: the insulated paint adding unmodified filler is easily generated deposited phenomenon, and the insulated paint storage stability that adds silane coupler surface modifying stuffing is good, it is difficult to precipitation；High heat conductive insulating paint thermal conductivity factor prepared by 3 kinds of modified filler compound uses is up to 0.432W/ (m K), viscosity 69s, electrical strength 23.4 MV/m.Although but the thermal conductivity factor of insulated paint increases substantially in literary composition, but little and with powder content the increase of electrical strength increasing degree reduces on the contrary, this insulated paint is sprayed on radiating effect on LED seat inconspicuous, long-time use in easy to fall off make metal material oxygen generation oxidation reaction in hot environment easily and in air, produce corrosion phenomena, so that metal material gradually loses intensity and causes structural disappearance, become the hidden danger of various accident, need for this existing technique and formula are improved, to improve the physical and mechanical properties of insulated paint, uvioresistant, the performances such as high temperature resistant and anticorrosion.
Nano particle has bulk effect, surface and interfacial effect, quantum size effect and macro quanta tunnel effect.Nanometer technology is the transformation of conventional industries, increase technology content and provide new means, also the exploitation for high heat conductive insulating paint provides new approach, the present invention adds in raw material by addition modified for nano titanium oxide, prepares the high heat conductive insulating paint being suitable for the excellent combination property that LED seat sprays paint.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that LED seat high heat conductive insulating paint of a kind of resistance to chemical attack and preparation method thereof.
The present invention is achieved by the following technical solutions:
The LED seat high heat conductive insulating paint of a kind of resistance to chemical attack, is prepared by the raw materials in: E-51 epoxy resin 45-47, silicones 25-27, kaolin 9-10, eucalyptus barks powder 5-7, calcium nitrate 0.3-0.5, zinc oxide 0.2-0.4, tung oil 3-5, butyl stearate 4-6, oleic acid 2-3, fenugreek gum 1-3, nano titanium oxide 2.4-2.6, heat radiation reinforcing agent 13-15, n-butanol 28-29；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond stone flour 15-16, carborundum 30-32, alumina powder 60-62, titanate coupling agent 5-7, triethanolamine borate 4-6, zinc stearate 2.3-2.5, HMPA 10-12, antioxidant NBC 1-2, morpholine 7-9, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.
The preparation method of the LED seat high heat conductive insulating paint of described a kind of resistance to chemical attack, comprises the following steps:
(1) calcium nitrate is added water it is configured to the aqueous solution that mass fraction is 5-7% and adds the heating of eucalyptus barks powder and be cooked into oar material, it is cooled to 60-80 DEG C, add nano titanium oxide ultrasonic disperse and obtain suspension slurry, add oleic acid ultrasonic disperse 20-30 minute, it is slow added into butyl stearate ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；
(2) by hydrochloric acid solution that kaolin spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds tung oil, fenugreek gum magnetic agitation 2-3 hour, dries；
(3) n-butanol is put in agitator stir, it is warming up to 90-95 DEG C and adds E-51 epoxy resin, silicones stirring 1-2 hour, it is cooled to 45-50 DEG C and adds heat radiation reinforcing agent, step (1), (2) material and other residual components agitation grinding 2-3 hour, discharging.
The invention have the advantage that the present invention on the basis of prior art in addition the modified heat radiation reinforcing agent thermal diffusivity prepared good, with epoxide resin polymer compatibility the most not free settling；By lubricious to kaolin tung oil, fenugreek gum coating modification rear surface, smooth; enhance paint film planarization non-foaming; add modified nano titanium oxide; one layer " shell " can be formed; the insulating materials of protection internal layer; owing to the particle diameter of nano particle is less; therefore, it is possible to be combined with organic insulation resin material in less scope; it is effectively increased the electrical strength of paint film; insulating properties is good; the insulated paint utilizing the present invention to prepare has excellent mechanical performance, electrical strength is high, dielectric loss is low, and chemical-resistant stability is good, and thermal conductivity is high.
Detailed description of the invention
The LED seat high heat conductive insulating paint of a kind of resistance to chemical attack, is prepared by the raw materials in: E-51 epoxy resin 45, silicones 25, kaolin 9, eucalyptus barks powder 5, calcium nitrate 0.3, zinc oxide 0.2, tung oil 3, butyl stearate 4, oleic acid 2, fenugreek gum 1, nano titanium oxide 2.4, heat radiation reinforcing agent 13, n-butanol 28；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond's stone flour 15, carborundum 30, alumina powder 60, titanate coupling agent 5, triethanolamine borate 4, zinc stearate 2.3, HMPA 10, antioxidant NBC 1, morpholine 7, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.
The preparation method of the LED seat high heat conductive insulating paint of described a kind of resistance to chemical attack, comprises the following steps:
(1) calcium nitrate is added water it is configured to the aqueous solution that mass fraction is 5-7% and adds the heating of eucalyptus barks powder and be cooked into oar material, it is cooled to 60-80 DEG C, add nano titanium oxide ultrasonic disperse and obtain suspension slurry, add oleic acid ultrasonic disperse 20-30 minute, it is slow added into butyl stearate ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；
(2) by hydrochloric acid solution that kaolin spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds tung oil, fenugreek gum magnetic agitation 2-3 hour, dries；
(3) n-butanol is put in agitator stir, it is warming up to 90-95 DEG C and adds E-51 epoxy resin, silicones stirring 1-2 hour, it is cooled to 45-50 DEG C and adds heat radiation reinforcing agent, step (1), (2) material and other residual components agitation grinding 2-3 hour, discharging.
Utilize the high heat conductive insulating paint thermal conductivity factor that the present invention prepares up to 0.538W/ (m K), viscosity 76s, electrical strength 30.8MV/m.
Claims (2)
1. the LED seat high heat conductive insulating paint of a resistance to chemical attack, it is characterized in that, be prepared by the raw materials in: E-51 epoxy resin 45-47, silicones 25-27, kaolin 9-10, eucalyptus barks powder 5-7, calcium nitrate 0.3-0.5, zinc oxide 0.2-0.4, tung oil 3-5, butyl stearate 4-6, oleic acid 2-3, fenugreek gum 1-3, nano titanium oxide 2.4-2.6, heat radiation reinforcing agent 13-15, n-butanol 28-29；Described heat radiation reinforcing agent is prepared by the raw materials in: artificial diamond stone flour 15-16, carborundum 30-32, alumina powder 60-62, titanate coupling agent 5-7, triethanolamine borate 4-6, zinc stearate 2.3-2.5, HMPA 10-12, antioxidant NBC 1-2, morpholine 7-9, its preparation method is: by artificial diamond's stone flour, carborundum, alumina powder mixes, add the triethanolamine borate aqueous solution that mass fraction is 0.2-0.6%, high-speed stirred 5-10 minute, it is warming up to 70-90 DEG C and adds titanate coupling agent, morpholine, zinc stearate ultrasonic disperse 30-40 minute, it is cooled to room temperature and adds HMPA and other residual components ultrasonic disperse 1-2 hour, filter, drying.
The preparation method of the LED seat high heat conductive insulating paint of a kind of resistance to chemical attack the most according to claim 1, it is characterised in that comprise the following steps:
(1) calcium nitrate is added water it is configured to the aqueous solution that mass fraction is 5-7% and adds the heating of eucalyptus barks powder and be cooked into oar material, it is cooled to 60-80 DEG C, add nano titanium oxide ultrasonic disperse and obtain suspension slurry, add oleic acid ultrasonic disperse 20-30 minute, it is slow added into butyl stearate ultrasonic grinding 30-40 minute, dries to obtain modified nano-titanium dioxide；
(2) by hydrochloric acid solution that kaolin spray concentration after high-temperature process is 1-2mol/L in 60-80 DEG C of ultrasonic disperse 1-2 hour, washing, to neutral, adds tung oil, fenugreek gum magnetic agitation 2-3 hour, dries；
(3) n-butanol is put in agitator stir, it is warming up to 90-95 DEG C and adds E-51 epoxy resin, silicones stirring 1-2 hour, it is cooled to 45-50 DEG C and adds heat radiation reinforcing agent, step (1), (2) material and other residual components agitation grinding 2-3 hour, discharging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296719.3A CN105860756A (en) | 2016-05-09 | 2016-05-09 | Chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder and preparation method of chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder |
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| CN201610296719.3A CN105860756A (en) | 2016-05-09 | 2016-05-09 | Chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder and preparation method of chemical-corrosion-resistant high-thermal-conductivity insulation varnish for LED lamp holder |
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| CN105860756A true CN105860756A (en) | 2016-08-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178975A (en) * | 2017-12-26 | 2018-06-19 | 天长市金陵电子有限责任公司 | A kind of LED light high-adhesion heat radiation coating |
| JP7227676B1 (en) * | 2021-09-29 | 2023-02-22 | 積水ポリマテック株式会社 | Thermally conductive composition and thermally conductive member |
| WO2023054538A1 (en) * | 2021-09-29 | 2023-04-06 | 積水ポリマテック株式会社 | Thermally conductive composition and thermally conductive member |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746725A (en) * | 2012-06-29 | 2012-10-24 | 宝山钢铁股份有限公司 | Silicon steel water-soluble environment-friendly super thick insulating coating and preparation method thereof |
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2016
- 2016-05-09 CN CN201610296719.3A patent/CN105860756A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746725A (en) * | 2012-06-29 | 2012-10-24 | 宝山钢铁股份有限公司 | Silicon steel water-soluble environment-friendly super thick insulating coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐卫平等: "高导热绝缘漆的研制及其在低压电机上的应用", 《绝缘材料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178975A (en) * | 2017-12-26 | 2018-06-19 | 天长市金陵电子有限责任公司 | A kind of LED light high-adhesion heat radiation coating |
| JP7227676B1 (en) * | 2021-09-29 | 2023-02-22 | 積水ポリマテック株式会社 | Thermally conductive composition and thermally conductive member |
| WO2023054538A1 (en) * | 2021-09-29 | 2023-04-06 | 積水ポリマテック株式会社 | Thermally conductive composition and thermally conductive member |
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Application publication date: 20160817 |
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