CN104845430A - Heat-dissipating powder coating modifying aid and preparation method thereof - Google Patents
Heat-dissipating powder coating modifying aid and preparation method thereof Download PDFInfo
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- CN104845430A CN104845430A CN201510217487.3A CN201510217487A CN104845430A CN 104845430 A CN104845430 A CN 104845430A CN 201510217487 A CN201510217487 A CN 201510217487A CN 104845430 A CN104845430 A CN 104845430A
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
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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
- C09D7/65—Additives macromolecular
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The invention provides a heat-dissipating powder coating modifying aid. The heat-dissipating powder coating modifying aid is prepared from such components in parts by weigh as 20-30 parts of nano kaolinite, 3-5 parts of corundum, 8-10 parts of phosphate ore, 3-10 parts of polyacrylate, 5-8 parts of aluminum dihydrogen phosphate, 5-8 parts of limestone, 1-1.5 parts of silane coupling agent and 0-0.7 part of bactericide. The preparation method of the heat-dissipating powder coating modifying aid comprises the steps of A, calcining the nano kaolinite and the phosphate ore at a temperature within the range of 650-750 DEG C, discharging and cooling, and then mixing the discharged material with the limestone, and grinding into powder, thereby obtaining a premix a, B, mixing the phosphate ore and the aluminum dihydrogen phosphate for ball milling, adding the polyacrylate in the ball milling process, stirring while preserving the heat within the range of 85-90 DEG C, thereby obtaining a premix b, C, mixing the premixes, adding the left raw materials and stirring for dispersing, and D, drying to obtain the coating modifying aid. The invention provides the heat-dissipating powder coating modifying aid capable of improving the adhesion of the heat-dissipating powder coating to the surface of an object, and the preparation method of the modifying aid; the aid is added to enhance the heat-conducting effect of the coating layer and improve the wear resistance of the coating.
Description
Technical field
The present invention relates to a kind of modified paint and help material, particularly relate to a kind of heat-dissipation powder paint modification and help material and preparation method thereof.
Background technology
Heat-dissipation powder paint be a kind of novel, not containing solvent, 100% solid powdery coating, it has without solvent, pollution-free, great heat radiation effect, the saving energy and resource, reduces labor intensity and film physical strength high, computer, notebook computer, LED illumination, communication, rectifier are widely used in, medical treatment and industrial equipments etc. have the field of cooling requirements, are mainly coated in the surface of scatterer.
Heat-dissipation powder paint generally heat radiation and the LED lamp heat radiation being applied to the components and parts of the electronic products such as CPU of current production more, medium requirements for brushing is higher, 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 to propose a kind of heat-dissipation powder paint of heat-dissipation powder paint to body surface sticking power that improve and help material, strengthen the heat-conducting effect of coating, improve the wear resistance of coating.
Another object of the present invention is to propose a kind ofly to improve the preparation method that the heat-dissipation powder paint of heat-dissipation powder paint to body surface sticking power helps material.
For reaching this object, the present invention by the following technical solutions:
A kind of heat-dissipation powder paint modification helps material, comprises the parts by weight of following component: nano-kaolinite 20-30, corundum 3-5, Rock Phosphate (72Min BPL) 8-10, polyacrylic ester 3-10, aluminium dihydrogen phosphate 5-8, Wingdale 5-8, silane coupling agent 1-1.5, sterilant 0-0.7.
Preferably, described polyacrylic ester is the polyacrylic ester containing tertiary amine groups.
Preferably, described Wingdale is light calcium carbonate.
Preferably, described sterilant is isothiazolinone.
Preferably, comprise the following steps:
A, nano-kaolinite and corundum are calcined 1-2 hour at 650-750 DEG C, after discharging cooling and Wingdale mixed grinding powdered, obtain Preblend a;
B, by Rock Phosphate (72Min BPL) and aluminium dihydrogen phosphate mixing and ball milling, in mechanical milling process, add polyacrylic ester, insulated and stirred 5-8 minute at 85-90 DEG C, obtain Preblend b;
C, Preblend a and Preblend b to be mixed, add surplus stock, carry out dispersed with stirring;
D, oven dry, obtain modified paint and help material.
Beneficial effect of the present invention: 1, improve coating to body surface sticking power, improve the wear resistance of coating; 2, nano-kaolinite phosphatic rock and corundum three blending and modifying, strengthens the heat-conducting effect of coating, improves the mechanical mass performance of coatingsurface; 3, the colouring effect of coating is not affected, and ageing-resistant.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Add modification of the present invention when preparing heat-dissipation powder paint and help material, by nano-kaolinite, phosphatic rock and corundum triplicity auxiliary material blending and modifying, strengthen the heat-conducting effect of coating, improve the mechanical mass performance of coatingsurface.
The modification of embodiment group 1-heat radiation coating helps the application of material
Heat radiation coating modification helps the preparation of material
Each raw material weighs by following parts by weight: nano-kaolinite 25 parts, 3 parts, corundum, Rock Phosphate (72Min BPL) 9 parts, polyacrylic ester 6 parts, and aluminium dihydrogen phosphate 6 parts, light calcium carbonate 6 parts, silane coupling agent 1.3 parts, isothiazolinone 0.4 part, enter preparation section after weighing:
A, nano-kaolinite and corundum to be calcined 1 hour at 750 DEG C, after discharging cooling and light calcium carbonate mixed grinding powdered, obtain Preblend a;
B, by Rock Phosphate (72Min BPL) and aluminium dihydrogen phosphate mixing and ball milling, add polyacrylic ester in mechanical milling process, at 85 DEG C, insulated and stirred 8 minutes, obtains Preblend b;
C, Preblend a and Preblend b to be mixed, add surplus stock, carry out dispersed with stirring;
D, oven dry, obtain modified paint and help material, for subsequent use.
Embodiment 1-1 uses heat radiation coating modification to help the wear-resisting LED heat radiation coating of material
By 4-cyclohexanedimethanol 10 parts, ethylene glycol 15 parts, methyl methacrylate 12 parts, polytetrafluorethylepowder powder 6 parts mixing, at 1100-1300 rev/min of lower stirring reaction 10-20 minute, then 40-50 DEG C is warming up to, add acrylic resin 42 parts, polyoxamide resin 8 parts, aliphatic amide 5 parts, propenyl glycidyl ether 2 parts, linking agent TAIC1 part, tributyl tin trichloride 2 parts, continue to stir 20-30 minute, add 11 parts of heat radiation coating modifications again and help material and 2.5 film coalescence aid, continue stirring reaction 30-40 minute, grinding obtains slurry, carry out spraying dry and obtain heat-dissipation powder paint.
Wherein the preparation of film coalescence aid is by ethylene glycol ether acetate 8 parts, HMPA 4 parts, meraneine 4 parts, hydroxymethyl-propyl cellulose 2.5 parts, nano-chitosan 0.4 part, plasticity-starch 1.5 parts, propylene glycol methyl ether acetate 17 parts mixing, stir 8 minutes, be heated to 65 DEG C, stir 20 minutes under 5000 revs/min, add 2-fluoroacetic acid base fourth again and lead acid 3 parts, 4 parts, vinylformic acid, polyvinyl butyral acetal 3 parts, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.7 part, stirring reaction 26 minutes; Be cooled to 24 DEG C again, then add acetyl peroxide 0.3 part and nano-chitosan 0.4 part, stirring reaction 50 minutes, obtains film coalescence aid.
By the coating powder spraying apparatus (static plastic spraying machine) of above-mentioned acquisition the surface of powder paint to LED housing, obtain the LED housing with wear-resisting thermal dispersant coatings.
Embodiment 1-2 does not use heat radiation coating modification to help the LED heat radiation coating of material
By 4-cyclohexanedimethanol 10 parts, ethylene glycol 15 parts, methyl methacrylate 12 parts, polytetrafluorethylepowder powder 6 parts mixing, at 1100-1300 rev/min of lower stirring reaction 10-20 minute, then 40-50 DEG C is warming up to, add acrylic resin 42 parts, polyoxamide resin 8 parts, aliphatic amide 5 parts, propenyl glycidyl ether 2 parts, linking agent TAIC1 part, tributyl tin trichloride 2 parts, continue to stir 20-30 minute, add 2.5 film coalescence aid again, continue stirring reaction 30-40 minute, grinding obtains slurry, and carrying out spraying dry can obtain heat-dissipation powder paint.
By the heat-dissipation powder paint powder spraying apparatus (static plastic spraying machine) of above-mentioned acquisition the surface of powder paint to LED housing.
What the application obtained by embodiment 1-1 used modification to help the material housing of coating and embodiment 1-2 to obtain do not add uses modification to help to expect that the housing of coating carries out multiple test comparison, and test result sees the following form 1.
Table 1
Can obtain from the comparative test result of upper table 1 embodiment 1-1 and 1-2, modification is used to help the coating of material to increase the heat-conducting effect of coating, and the ageing-resistant time, enhance the heat dispersion of housing and the mechanical mass performance of coatingsurface, its housing is not also scratched by 4H pencil in pencil hardness test, nano-kaolinite, phosphatic rock and corundum, in conjunction with the blending and modifying of auxiliary material, improve the wear resistance of housing greatly.
Embodiment 1-3-radiator shell powder coating
A kind of radiator shell powder coating, is made up of the raw material of following weight part: E-44 epoxy resin 60 parts, montmorillonite powder 15 parts, ethylene bis stearamide 2 parts, anti-scorching agent CTP 2 parts, tetramethoxymethylglycoluril 3 parts, Tetra hydro Phthalic anhydride 2 parts, torispherical silicon powder 6 parts, hollow glass micropearl 3 parts, polyvinylpyrrolidone 2 parts, peroxidation tert-butyl acetate 0.2 part, dimethylaminopropylamine 10 parts, ethylene glycol 4 parts, heat radiation modification help 10 parts, material.
Above-mentioned montmorillonite powder is mixed with ethylene glycol, after fully stirring, adds torispherical silicon powder, keep temperature to be 40 DEG C, fully be uniformly mixed, add peroxidation tert-butyl acetate, 2000 revs/min of dispersed with stirring 6 minutes, add each raw material of residue, by melt extruding in forcing machine, compressing tablet, air-cooled, abrasive dust, crosses 160 mesh sieves, obtain described radiator shell powder coating, radiator shell is sprayed.
Spraying back casing pencil hardness test result be 4H without scuffing, salt spray resistance test result is that 1350 hours of corrosion power are not more than 1 grade.The existing powder coating not using heat radiation coating modification to help material, application rear surface is easily scratched, and it is that 1100 hours post-etching power is just greater than 1 grade that its salt spray resistance tests best result.But employ heat-dissipation powder paint modification of the present invention and help material, salt spray resistance ability improves greatly.
The addition of embodiment group 2-polo-neck stone, phosphatic rock and corundum helps the impact of material on modified paint
Heat radiation coating modification helps the preparation of material
Each raw material weighs by following parts by weight: nano-kaolinite, Rock Phosphate (72Min BPL) and corundum according to the form below 2 weigh, polyacrylic ester 6 parts, aluminium dihydrogen phosphate 6 parts, light calcium carbonate 6 parts, silane coupling agent 1.3 parts, isothiazolinone 0.4 part, preparation section is entered: A, nano-kaolinite and corundum to be calcined 2 hours at 650 DEG C after weighing, discharging cools rear and calcium carbonate mixed grinding powdered, obtains Preblend a; B, by Rock Phosphate (72Min BPL) and aluminium dihydrogen phosphate mixing and ball milling, add polyacrylic ester in mechanical milling process, at 90 DEG C, insulated and stirred 5 minutes, obtains Preblend b; C, Preblend a and Preblend b to be mixed, add surplus stock, carry out dispersed with stirring; D, oven dry, obtain modified paint and help material, for subsequent use.
The heat radiation coating modification of above-mentioned acquisition helped material to be applied in embodiment 1-1, obtain the LED housing with different rub proofness and different surfaces outward appearance, contrast record sees the following form 2.
Table 2
From upper table 2 embodiment 2-1 to 2-6 contrast in, can find, the interpolation of nano-kaolinite crosses that I haven't seen you for ages reduces the ageing resistance that modification helps material, add the color development that too much can affect coating, easily make housing color whitens, therefore, modification of the present invention is used to help the heat-dissipation powder paint of material to be more suitable for housing color for white or the silver grey housing being equal to a color series.In addition, the interpolation of Rock Phosphate (72Min BPL) affects luster effect and the erosion resistance of coating, the interpolation of corundum can improve the wear resistance of coating, the blended formation modification of triplicity auxiliary material helps material, preferred formula is nano-kaolinite 20-30, corundum 3-5, Rock Phosphate (72Min BPL) 8-10, polyacrylic ester 3-10, aluminium dihydrogen phosphate 5-8, Wingdale 5-8, silane coupling agent 1-1.5, sterilant 0-0.7.
The interpolation of embodiment group 3-polyacrylic ester and sterilant is on impact modified paint being helped to material
Heat radiation coating modification helps the preparation of material
Each raw material weighs by following parts by weight: the addition according to the form below 3 of nano-kaolinite 30 parts, Rock Phosphate (72Min BPL) 10 parts, 5 parts, corundum, aluminium dihydrogen phosphate 6 parts, light calcium carbonate 6 parts, silane coupling agent 1.3 parts, polyacrylic ester and sterilant weighs, preparation section is entered: A, nano-kaolinite and corundum to be calcined 2 hours at 650 DEG C after weighing, discharging cools rear and calcium carbonate mixed grinding powdered, obtains Preblend a; B, by Rock Phosphate (72Min BPL) and aluminium dihydrogen phosphate mixing and ball milling, add polyacrylic ester in mechanical milling process, at 90 DEG C, insulated and stirred 5 minutes, obtains Preblend b; C, Preblend a and Preblend b to be mixed, add surplus stock, carry out dispersed with stirring; D, oven dry, obtain modified paint and help material, for subsequent use.
The heat radiation coating modification of above-mentioned acquisition helped material to be applied in embodiment 1-1, obtain the LED housing with different rub proofness and different surfaces outward appearance, contrast record sees the following form 3.
Table 3
Embodiment 3-1 to 3-3 from upper table 3, can show that the interpolation of polyacrylic ester affects the film-formation result of coating, adds the not enough shed powder sprayed that easily causes in housing, adds the cohesiveness that too much also can affect between powder.In addition, bactericide of iso-thiazolinone has very strong suppression and killing action to microorganisms such as bacterium, fungi, algae, therefore its interpolation can make modification help material to have better sterilization effect, but consider that isothiazolinone is corrosive, to skin and eyes irritant, when meeting product standard, do not advise in production process adding too much amount.
The interpolation of silane coupling agent makes the blended effect of polo-neck stone, phosphatic rock and corundum triplicity auxiliary material better, improves binder performance, improves the performance such as physical strength, water-repellancy, electric property, thermotolerance of matrix material.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (5)
1. a heat-dissipation powder paint modification helps material, it is characterized in that: the parts by weight comprising following component: nano-kaolinite 20-30, corundum 3-5, Rock Phosphate (72Min BPL) 8-10, polyacrylic ester 3-10, aluminium dihydrogen phosphate 5-8, Wingdale 5-8, silane coupling agent 1-1.5, sterilant 0-0.7.
2. a kind of heat-dissipation powder paint modification according to claim 1 helps material, it is characterized in that: described polyacrylic ester is the polyacrylic ester containing tertiary amine groups.
3. a kind of heat-dissipation powder paint modification according to claim 1 helps material, it is characterized in that: described Wingdale is light calcium carbonate.
4. a kind of heat-dissipation powder paint modification according to claim 1 helps material, it is characterized in that: described sterilant is isothiazolinone.
5. prepare the preparation method that a kind of heat-dissipation powder paint modification according to claim 1 helps material, it is characterized in that: comprise the following steps:
A, nano-kaolinite and corundum are calcined 1-2 hour at 650-750 DEG C, after discharging cooling and Wingdale mixed grinding powdered, obtain Preblend a;
B, by Rock Phosphate (72Min BPL) and aluminium dihydrogen phosphate mixing and ball milling, in mechanical milling process, add polyacrylic ester, insulated and stirred 5-8 minute at 85-90 DEG C, obtain Preblend b;
C, Preblend a and Preblend b to be mixed, add surplus stock, carry out dispersed with stirring;
D, oven dry, obtain modified paint and help material.
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| CN201510217487.3A CN104845430A (en) | 2015-04-30 | 2015-04-30 | Heat-dissipating powder coating modifying aid and preparation method thereof |
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| CN201510217487.3A CN104845430A (en) | 2015-04-30 | 2015-04-30 | Heat-dissipating powder coating modifying aid and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481584A (en) * | 2009-01-23 | 2009-07-15 | 华南理工大学 | Dry powder latex paint for inner wall and preparation thereof |
| CN103756426A (en) * | 2014-01-15 | 2014-04-30 | 芜湖市宝艺游乐科技设备有限公司 | Fluorescent heat dissipation coating |
| CN103773130A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Pyrophyllite and bone black blended and modified heat dissipating coating material |
| JP2014237805A (en) * | 2013-03-02 | 2014-12-18 | 荒川化学工業株式会社 | Heat radiating powder coating composition, heat radiating coating film and object to be coated |
-
2015
- 2015-04-30 CN CN201510217487.3A patent/CN104845430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481584A (en) * | 2009-01-23 | 2009-07-15 | 华南理工大学 | Dry powder latex paint for inner wall and preparation thereof |
| JP2014237805A (en) * | 2013-03-02 | 2014-12-18 | 荒川化学工業株式会社 | Heat radiating powder coating composition, heat radiating coating film and object to be coated |
| CN103756426A (en) * | 2014-01-15 | 2014-04-30 | 芜湖市宝艺游乐科技设备有限公司 | Fluorescent heat dissipation coating |
| CN103773130A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Pyrophyllite and bone black blended and modified heat dissipating coating material |
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Application publication date: 20150819 |