CN106978036A - Dust-proof radiating coating and preparation method thereof, laser projection device - Google Patents

Dust-proof radiating coating and preparation method thereof, laser projection device Download PDF

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Publication number
CN106978036A
CN106978036A CN201710363820.0A CN201710363820A CN106978036A CN 106978036 A CN106978036 A CN 106978036A CN 201710363820 A CN201710363820 A CN 201710363820A CN 106978036 A CN106978036 A CN 106978036A
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dust
proof radiating
radiating coating
methyl
coating
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CN201710363820.0A
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Chinese (zh)
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邢哲
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青岛海信电器股份有限公司
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Priority to CN201710363820.0A priority Critical patent/CN106978036A/en
Publication of CN106978036A publication Critical patent/CN106978036A/en

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    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04Homopolymers or copolymers of esters
    • C09D133/14Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
    • C09D133/16Homopolymers or copolymers of esters containing halogen atoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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    • C08F220/00Copolymers 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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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    • C08F220/00Copolymers 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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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    • C08F220/12Esters of monohydric alcohols or phenols
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    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1656Antifouling paints; Underwater paints characterised by the film-forming substance
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    • C09D5/18Fireproof paints including high temperature resistant paints
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B05DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
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    • C08F220/00Copolymers 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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
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    • C08F220/18Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/28Nitrogen-containing compounds

Abstract

The invention discloses a kind of dust-proof radiating coating and preparation method thereof, laser projection device, belong to technical field of heat dissipation.The dust-proof radiating coating includes the component of following parts by weight:Average grain diameter is less than 1 μm of titanium nitride particles, 1~3 part;Fluorinated acrylate resin, 90~110 parts;And, organic solvent, 400~850 parts.On the one hand the coating formed by the dust-proof radiating coating can effectively prevent dirt accumulation, so as to overcome due to the problem of heat dispersion is poor caused by dirt accumulation, on the other hand with good heat dispersion, being more beneficial for distributing for heat.In addition, the coating formed by the dust-proof radiating coating also has the good binding ability and heat resistance with substrate.

Description

Dust-proof radiating coating and preparation method thereof, laser projection device

Technical field

The present invention relates to technical field of heat dissipation, more particularly to a kind of dust-proof radiating coating and preparation method thereof, laser projection Equipment.

Background technology

With the development of science and technology, laser projection device has obtained increasingly being widely applied in all trades and professions.Laser projection Equipment can produce heat in the process of running, and laser projection device temperature can be made to raise and influence the normal fortune of laser projection device OK.In order to ensure the normal operation of laser projection device, it is necessary in time distribute heat.

At present, laser projection device is mainly by heating position, the portion such as laser, light source, driving plate, fluorescent wheel Position setting radiator is radiated.

During the present invention is realized, the inventors discovered that at least there is problems with the prior art:Thrown in laser During the use of shadow equipment, because the reasons such as electrostatic, humidity, Organic Pollution can cause above-mentioned spreader surface accumulation ash Dirt.Because the coefficient of heat conduction of dust is relatively low, heat conductivility is poor, and with the accumulation of dust, the radiating for influenceing radiator is imitated Really, so as to cause heat to be distributed in time from laser projection device, the normal work of laser projection device is influenceed.

The content of the invention

In order to solve above-mentioned technical problem, offer of the embodiment of the present invention is a kind of can to prevent the dust-proof radiating of dirt accumulation Coating and preparation method thereof, and using the laser projection device of the dust-proof radiating coating.

Specifically, including following technical scheme:

In a first aspect, the embodiments of the invention provide a kind of dust-proof radiating coating, the dust-proof radiating coating includes following heavy Measure the component of number:

Average grain diameter is less than 1 μm of titanium nitride particles, 1~3 part;

Fluorinated acrylate resin, 90~110 parts;

And, organic solvent, 400~850 parts.

Alternatively, the fluorinated acrylate resin is by fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) propylene Acid ester monomer polymerization is obtained.

Alternatively, fluorine-containing (methyl) acrylate monomer is selected from trifluoroethyl methacrylate, methacrylic acid six At least one of fluorine butyl ester and dodecafluoroheptyl methacrylate;Not fluorine-containing (methyl) acrylate monomer is propylene Acid butyl ester and/or methyl methacrylate.

Alternatively, the quality of fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer Ratio is:(1:9)~(1:3).

Alternatively, the titanium nitride particles are four nitridation tritanium particle, and the average grain diameter of the titanium nitride particles is 0.05 ~0.8 μm.

Second aspect, the embodiments of the invention provide a kind of preparation method of dust-proof radiating coating, the preparation method includes Following steps:

Titanium nitride particles, fluorine-containing (methyl) acrylate list by organic solvent, emulsifying agent, average grain diameter for less than 1 μm Body and not fluorine-containing (methyl) acrylate monomer, which are added to, to be well mixed in reactor and is warming up to preset temperature, afterwards the Initiator is added into the reactor in one preset time, after the initiator, which is added, to be finished, is continued in the default temperature The second preset time of the lower reaction of degree produces the dust-proof radiating coating;

The addition of the organic solvent is 400~850 parts by weight, fluorine-containing (methyl) acrylate monomer and described The total addition of not fluorine-containing (methyl) acrylate monomer is 90~110 parts by weight, the additions of the titanium nitride particles for 1~ 3 parts by weight.

Alternatively, the consumption of the initiator is fluorine-containing (methyl) acrylate monomer and described not fluorine-containing (methyl) The 0.2~1% of acrylate monomer gross mass.

Alternatively, the preset temperature is 80~95 DEG C, and first preset time is 1~3 hour, and described second presets Time is 1~2 hour.

The third aspect, the embodiments of the invention provide a kind of laser projection device, is provided with the laser projection device The dust-proof radiating coating formed by above-mentioned dust-proof radiating coating.

Alternatively, the thickness of the dust-proof radiating coating is 5~20 μm.

The beneficial effect of technical scheme provided in an embodiment of the present invention:

In dust-proof radiating coating provided in an embodiment of the present invention, fluorinated acrylate resin is as film-forming resin, and fluorine-containing third Alkene acid ester resin has good hydrophobicity, therefore, and the film layer formed by fluorinated acrylate resin has relatively low surface energy, The attachment of dust can be prevented, so that playing prevents the accumulation of dust from acting on;Meanwhile, in fluorinated acrylate resin film forming procedure In, a part of average grain diameter can expose film surface for less than 1 μm of titanium nitride particles, in film surface formation microprotrusion knot Structure, further prevents the accumulation of dust.Therefore, the dust-proof radiating that will be formed by dust-proof radiating coating provided in an embodiment of the present invention Coating is arranged on the parts surfaces such as the radiator of the electrical equipment such as laser projection device, housing, can effectively prevent the accumulation of dust, from And overcome due to the problem of heat dispersion is poor caused by dirt accumulation.Also, titanium nitride has higher thermal conductivity factor in itself Higher normal emittance, therefore, dust-proof radiating coating provided in an embodiment of the present invention can effectively prevent dirt accumulation While, also with good heat dispersion, it is more beneficial for distributing for heat in the electrical equipment such as laser projection device.

In addition, the surface of the part such as radiator of the electrical equipment such as laser projection device is usually metal, and the embodiment of the present invention Fluorinated acrylate resin in the dust-proof radiating coating of offer has good binding ability with metal, therefore by of the invention real Apply the dust-proof radiating coating of the dust-proof radiating coating formation of example offer has higher bond strength with substrate.The embodiment of the present invention The dust-proof radiating coating of offer also has preferable heat resistance, still has when the part higher applied to temperature preferable Dust-proof radiating performance.

Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described.

Fig. 1 is that application mode of the dust-proof radiating coating provided in an embodiment of the present invention on laser heat tube radiator surface is shown It is intended to;

Fig. 2 is application mode schematic diagram of the dust-proof radiating coating provided in an embodiment of the present invention in DMD spreader surfaces;

Fig. 3 is the application mode of surface of shell of the dust-proof radiating coating provided in an embodiment of the present invention in laser projection device Schematic diagram.

Reference is represented respectively in figure:

1- laser tube heat-pipe radiators;

2-DMD radiators;

The housing of 3- laser projection devices;

The dust-proof radiating coating that x- is formed by dust-proof radiating coating.

Embodiment

To make technical scheme and advantage clearer, below in conjunction with accompanying drawing embodiment of the present invention is made into One step it is described in detail.Unless otherwise defined, all technical terms used in the embodiment of the present invention are respectively provided with and art technology The identical implication that personnel are generally understood that.

The heat transfer that the heat generating components of electrical equipment (such as laser projection device) is sent is to after corresponding radiator, radiator It is main to be distributed heat by way of radiation and convection current.The property of spreader surface has important shadow to heat dispersion Ring.The material of radiator is usually aluminium, aluminium alloy or copper, and (aluminium is generally all with higher thermal conductivity factor for aluminium, aluminium alloy and copper 180~210W/ (mK), aluminium alloy are generally 150~180W/ (mK), copper and are generally 380W/ (mK)), due to heat output It is directly proportional, therefore between spreader surface and air, particularly when blowing air over, is changed with good to thermal conductivity factor Thermal effect, so that heat is distributed.And the thermal conductivity factor very little of dust, therefore, when dust product in 10W/ (mK) below Gather after spreader surface, the radiating effect of radiator will be greatly affected.As can be seen here, it is raising to prevent dirt accumulation The effective way of heat radiation of electrical apparatus effect.

Based on described above, in a first aspect, the embodiments of the invention provide a kind of dust-proof radiating coating, the dust-proof radiating is applied Material includes the component of following parts by weight:

Average grain diameter is less than 1 μm of titanium nitride particles, 1~3 part;

Fluorinated acrylate resin, 90~110 parts;

And, organic solvent, 400~850 parts.

Fluorinated acrylate resin is used as film-forming resin, fluorine-containing propene in dust-proof radiating coating provided in an embodiment of the present invention Acid ester resin has good hydrophobicity, therefore, and the film layer formed by fluorinated acrylate resin has relatively low surface energy, energy The attachment of dust is enough prevented, so that playing prevents the accumulation of dust from acting on.Meanwhile, in fluorinated acrylate resin film forming procedure In, a part of titanium nitride particles can expose film surface, in film surface formation microprotrusion structure, further prevent the product of dust It is poly-.Therefore, the dust-proof radiating coating formed by dust-proof radiating coating provided in an embodiment of the present invention is arranged on into laser projection to set It is standby to wait the parts surfaces such as radiator, the housing of electrical equipment, the accumulation of dust can be effectively prevented, so as to overcome due to dirt accumulation The problem of caused heat dispersion is poor.

Also, titanium nitride has higher thermal conductivity factor and higher normal emittance, therefore, the embodiment of the present invention in itself The dust-proof radiating coating of offer, also with good heat dispersion, is more beneficial for while effectively can prevent dirt accumulation Heat distributes in the electrical equipment such as laser projection device.Moreover, preventing the accumulation of dust from also helping in air conservation thing Sulfide is to corrosion of metal, so as to more effectively ensure the normal work of electrical equipment.

In addition, the surface of the part such as radiator of the electrical equipment such as laser projection device is usually metal, and the embodiment of the present invention Fluorinated acrylate resin in the dust-proof radiating coating of offer has good binding ability with metal, therefore by of the invention real Apply the dust-proof radiating coating of the dust-proof radiating coating formation of example offer has higher bond strength with substrate.The embodiment of the present invention The dust-proof radiating coating of offer also has preferable heat resistance, still has when the part higher applied to temperature preferable Dust-proof radiating performance.

Dust-proof radiating coating provided in an embodiment of the present invention is applicable not only to laser projection device, has radiating needs to other Electrical equipment, equally applicable such as TV, computer, server, the laser projection device being particularly suitable for use in using fan cooling.

Further, in dust-proof radiating coating provided in an embodiment of the present invention, the parts by weight of fluorinated acrylate resin It can be 90 parts, 92 parts, 94 parts, 95 parts, 96 parts, 98 parts, 100 parts, 102 parts, 104 parts, 105 parts, 106 parts, 108 parts, 110 parts Deng;Particle diameter be less than 1 μm of titanium nitride particles parts by weight can be 1 part, 1.2 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.8 Part, 2 parts, 2.2 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.8 parts, 3 parts etc.;The parts by weight of organic solvent can for 400 parts, 450 Part, 500 parts, 550 parts, 600 parts, 650 parts, 700 parts, 750 parts, 800 parts, 850 parts etc..

Further, in dust-proof radiating coating provided in an embodiment of the present invention, fluorinated acrylate resin is by fluorine-containing (first Base) acrylate monomer and not fluorine-containing (methyl) acrylate monomer polymerization obtain.The Weight-average molecular of fluorinated acrylate resin Amount can for 50000~100000, such as 50000,55000,60000,65000,70000,75000,80000,85000, 90000th, 95000,100000 etc..

Wherein, fluorine-containing (methyl) acrylate monomer can be trifluoroethyl methacrylate, methacrylic acid hexafluoro fourth At least one of ester and dodecafluoroheptyl methacrylate;Not fluorine-containing (methyl) acrylate monomer can be acrylic acid fourth Ester (BA) and/or methyl methacrylate (MMA), the preferably mixture of butyl acrylate and methyl methacrylate.Also, first The mass ratio of base methyl acrylate and butyl acrylate can be (1:4)~(4:1), such as 1:4、1:2、1:1、2:1、3:1、 1.5:1、2.5:1、3.5:1 etc..

Meanwhile, the mass ratio of fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer can be (1:9)~(1:3), such as 1:9、1:8.5、1:8、1:7.5、1:7、1:6.5、1:6、1:5.5、1:5、1:4.5、1:4、1:3.5、 1:3 etc., in the proportion, the film layer formed by resulting fluorinated acrylate resin has suitable surface energy, more Be conducive to preventing the attachment of dust.

Further, titanium nitride includes the nitridation product of the titaniums of other forms such as four nitridation tritanium, nitride two titanium, this hair In the dust-proof radiating coating that bright embodiment is provided, preferred four nitridation tritanium, this be due to the physicochemical property of four nitridation tritanium more It is stable.Meanwhile, the average grain diameter of titanium nitride particles can be 0.05~0.8 μm, such as 0.05 μm, 0.1 μm, 0.15 μm, 0.2 μ m、0.25μm、0.3μm、0.35μm、0.4μm、0.45μm、0.5μm、0.55μm、0.6μm、0.65μm、0.7μm、0.75μm、0.8 μm etc..

In the embodiment of the present invention, titanium nitride particles can also be handled (such as by titanium nitride in idol using coupling agent Join and a period of time soaked in the solution of agent), titanium nitride particles is connected with fluorinated acrylate resin by hydrogen bond or chemical bond Connect, further improve the interface binding power of titanium nitride particles and fluorinated acrylate resin, while also advantageously improving dust-proof dissipate The dust-proof radiating coating of hot coating formation and the adhesion of substrate.Coupling agent is specifically as follows silane coupler, such as vinyl Triethoxysilane, vinyltrimethoxy silane, vinyl trichlorosilane etc..

Adjusted in addition, dyestuff, plasticizer, thickener, painting face can also be included in dirt resistance coatings for forming dust-proof coating Save the various additives commonly used in the art such as agent, fluidity regulator, preserving stabilizer.

Further, the embodiment of the present invention is provided in fixed dust-proof radiating coating, and the effect of organic solvent is to reduce anti- The viscosity of dirt heat radiation coating, increases the mobility of dust-proof radiating coating, in order to which dust-proof radiating coating is coated uniformly on into substrate On, make the dust-proof radiating coating to be formed more smooth, be conducive to improving dust-proof, heat dispersion.Organic solvent is specifically as follows second One or two kinds of in acetoacetic ester, butyl acetate is with the combination of arbitrary proportion.

Second aspect, the embodiments of the invention provide a kind of preparation method of dust-proof radiating coating, the preparation method includes Following steps:

Titanium nitride particles, fluorine-containing (methyl) acrylate list by organic solvent, emulsifying agent, average grain diameter for less than 1 μm Body and not fluorine-containing (methyl) acrylate monomer, which are added to, to be well mixed in reactor and is warming up to preset temperature, afterwards the Initiator is added into reactor in one preset time, after initiator, which is added, to be finished, continuation reacts second under preset temperature Preset time produces dust-proof radiating coating;

The addition of organic solvent is 400~850 parts by weight, fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) The total addition of acrylate monomer is 90~110 parts by weight, and the addition of titanium nitride particles is 1~3 parts by weight.

In preparation method provided in an embodiment of the present invention, fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) propylene Acid ester monomer carries out the polymerisation generation fluorinated acrylate resin (weight of fluorinated acrylate resin in the presence of initiator Substantially each monomer weight sum of amount).According to described above, prepared using preparation method provided in an embodiment of the present invention Dust-proof radiating coating, on the one hand can effectively prevent dirt accumulation, so as to overcome due to heat dispersion caused by dirt accumulation Poor the problem of, on the other hand with good heat dispersion, it is more beneficial for distributing for heat in the electrical equipment such as laser projection device.Together When, the dust-proof radiating coating that the embodiment of the present invention is prepared also has the good binding ability and heat resistance with substrate Energy.

Also, it is to be drawn titanium nitride particles by the method for in-situ polymerization in preparation method provided in an embodiment of the present invention Enter into fluorinated acrylate resin system, compared with conventional blending method, titanium nitride particles and fluorinated acrylate resin Combination it is more firm.

Further, in preparation method provided in an embodiment of the present invention, the specific species of organic solvent, titanium nitride particles Species and the specific species and proportioning of particle diameter, fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer are same The record of first aspect of the embodiment of the present invention, will not be repeated here.

The addition of organic solvent be specifically as follows 400 parts, 450 parts, 500 parts, 550 parts, 600 parts, 650 parts, 700 parts, 750 parts, 800 parts, 850 parts etc..

Further, in preparation method provided in an embodiment of the present invention, the consumption of initiator can be fluorine-containing (methyl) third The 0.2~1% of olefin(e) acid ester monomer and not fluorine-containing (methyl) acrylate monomer gross mass, such as 0.2%, 0.3%, 0.4%, 0.5%th, 0.6%, 0.7%, 0.8%, 0.9%, 1.0% etc..Initiator can be azo-compound (such as isobutyl of azo two In nitrile, ABVN is few one kind) and/or organic peroxide (such as in benzoyl peroxide, lauroyl peroxide At least one).Initiator can with mass fraction 1~5% (such as 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%th, 5% etc.) form of solution is added in reactor, can use ethyl acetate and/or butyl acetate dissolving initiator Prepare initiator solution.

Further, for the species of emulsifying agent, the embodiment of the present invention is not particularly limited, in the polymerisation of this area often Emulsifying agent, including but not limited to alkyl alcohol ethoxylates are (such as isomerous tridecanol polyoxyethylene ether E-1310, different Structure tridecanol polyoxyethylene ether 1350, isomerous tridecanol polyoxyethylene ether 1380 etc.), lauryl sodium sulfate (SDS), dodecane Base benzene sulfonic acid sodium salt (SDBS), octyl phenol APEO (OP-10) etc..With fluorine-containing (methyl) acrylate monomer and be free of Fluorine (methyl) acrylate monomer gross weight is 100 parts of meters, and the weight of emulsifying agent can be 1~3 part, such as 1 part, 1.5 parts, 2 Part, 2.5 parts, 3 parts etc..

Further, in preparation method provided in an embodiment of the present invention, preset temperature can be 80~95 DEG C, such as 80 DEG C, 85 DEG C, 90 DEG C, 95 DEG C etc.;The first preset time that initiator solution is added dropwise can be 1~3 hour, such as 1 hour, 1.5 Hour, 2 hours, 2.5 hours, 3 hours etc.;The second preset time for continuing reaction after initiator, which is added, to be finished can be 1~2 Hour, such as 1 hour, 1.5 hours, 2 hours.

The third aspect, the embodiments of the invention provide a kind of laser projection device, be provided with the laser projection device by The dust-proof radiating coating of above-mentioned dust-proof radiating coating formation.

, can be on the surface of laser heat pipe heat radiation 1 of laser projection device, DMD (Digital referring to Fig. 1, Fig. 2 and Fig. 3 Micromirror Devic, DMD) 2 surface of radiator, and ray machine housing, light source shell, speculum housing, The surface of the housings such as lens cap 3 sets the dust-proof radiating coating x formed by above-mentioned dust-proof radiating coating, effectively prevents laser projection from setting The position dust stratifications such as standby middle radiator, support, ray machine housing, light source shell.Avoid due to heat dispersion difference caused by dust stratification Problem.

In laser projection device provided in an embodiment of the present invention, the thickness of dust-proof radiating coating can be 5~20 μm, for example 5 μm, 6 μm, 8 μm, 10 μm, 12 μm, 14 μm, 15 μm, 16 μm, 18 μm, 20 μm etc..

Dust-proof radiating coating can be coated on the surface of laser projection device corresponding component by the method for spraying, and At a temperature of 120~150 DEG C (such as 120 DEG C, 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C, 145 DEG C, 150 DEG C) drying 15~ 60 minutes (such as 15 minutes, 20 minutes, 25 minutes, 30 minutes, 35 minutes, 40 minutes, 45 minutes, 50 minutes, 55 minutes, 60 Minute etc.), to form dust-proof radiating coating.

The technical scheme of the embodiment of the present invention is described in further detail below by specific experiment data.

In the examples below, raw materials used unreceipted production firm and specification person be can be by the normal of acquisition purchased in market Advise product.

In following examples, pass through the coating surface and the contact angle of water and dyne value to being formed by dust-proof radiating coating Test characterized come the anti-dust performance to dust-proof radiating coating.

Wherein, contact angle refers to:When liquid can not be sprawled in the surface of solids, then liquid stays in solid with definite shape Surface, the angle formed by the surface of solids and liquid edge tangent line is referred to as contact angle, the contact angle master of drop on a solid surface To depend on the surface energy and the interface energy of liquid and solid of solid and liquid.When the timing of liquid property one, contact angle is bigger Illustrate that solid surface energy is smaller, be less susceptible to adhesive dust.Generally, it is considered that when the contact angle of water and dust-proof radiating coating surface is big When 90 °, you can play dustproof effect.

Dyne value, i.e., surface tension coefficient is smaller, illustrate that surface of solids surface can be smaller, is less susceptible to adhesive dust, logical Often think that when dyne value is less than 36dyn/cm dustproof effect can be played.

Embodiment 1

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

It is average that 400g ethyl acetate, 400g butyl acetates, 2g lauryl sodium sulfate (SDS), 2g are added in the reactor Particle diameter is 0.05 μm of four nitridation tritanium particle, 30g methyl methacrylates, 50g butyl acrylates and 20g methacrylic acid ten Difluoro heptyl ester, is warming up to 85 DEG C after stirring, be added dropwise in 2 hours into reactor by 1g azodiisobutyronitriles and 20g second Continue reaction 1 hour after the initiator solution that acid butyl ester is configured to, initiator solution completion of dropping at 85 DEG C, afterwards will reaction System is cooled to normal temperature, obtains dust-proof radiating coating.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the heat radiator fin table of laser projection device with 1mm nozzles Face, drying makes the painting in about 5 μm of thickness of heat radiator fin surface formation after dust-proof radiating paint solidification for 20 minutes at 130 DEG C Layer.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 32dyn/cm, is 100 ° with water contact angle, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the heat radiator fin surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result shown Show, after the dust-proof radiating coating of the present embodiment is set, the temperature on heat radiator fin surface reduces 2 DEG C.

Embodiment 2

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

Adding 600g ethyl acetate, 1g isomerous tridecanol polyoxyethylene ether E-1310,1g average grain diameters in the reactor is 0.8 μm of four nitridation tritanium particle, 60g methyl methacrylates, 15g butyl acrylates, 12.5g Hexafluorobutyl mathacrylates With 12.5g trifluoroethyl methacrylates, 90 DEG C are warming up to after stirring, was added dropwise in 3 hours into reactor by 0.3g The initiator solution that azodiisobutyronitrile, 0.1g benzoyl peroxides and 20g butyl acetates are configured to, initiator solution is dripped Continue reaction 1 hour after finishing at 90 DEG C, reaction system is cooled to normal temperature afterwards, dust-proof radiating coating is obtained.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the driving plate radiator of laser projection device with 1mm nozzles Surface, drying makes after dust-proof radiating paint solidification in driving plate spreader surface about 10 μm of thickness of formation for 25 minutes at 125 DEG C Coating.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 30dyn/cm, contact angle is 109 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the driving plate spreader surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result It has been shown that, after the dust-proof radiating coating of the present embodiment is set, the temperature of driving plate spreader surface reduces 2.5 DEG C.

Embodiment 3

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

Adding 600g butyl acetates, 3g isomerous tridecanol polyoxyethylene ethers 1350,3g average grain diameters in the reactor is 0.25 μm of four nitridation tritanium particle, 72g methyl methacrylates, 18g butyl acrylates and 10g methacrylic acids ten difluoro heptan Ester, is warming up to 80 DEG C after stirring, be added dropwise in 3 hours into reactor by 0.2g azodiisobutyronitriles and 20g acetic acid fourths The initiator solution that ester is configured to.Continue reaction 1.5 hours after initiator solution completion of dropping at 80 DEG C, afterwards by reactant System is cooled to normal temperature, obtains dust-proof radiating coating.

The hot coating of dust-proof peace that the present embodiment is provided is sprayed on the laser radiating of laser projection device with 1.2mm nozzles Device surface, drying makes after dust-proof radiating paint solidification in laser spreader surface formation thickness about 20 μ for 15 minutes at 135 DEG C M coating.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 34dyn/cm, contact angle is 96 °.

Temperature of the laser spreader surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result It has been shown that, after the dust-proof radiating coating of the present embodiment is set, the temperature of laser spreader surface reduces 4 DEG C.

Embodiment 4

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:In reaction Four nitrogen that 400g ethyl acetate, 1.5g isomerous tridecanol polyoxyethylene ethers 1380,1.5g average grain diameters are 0.55 μm are added in device Change Tritanium/Trititanium particle, 40g methyl methacrylates, 45g butyl acrylates, 5g dodecafluoroheptyl methacrylates, 5g metering systems Sour hexafluoro butyl ester and 5g trifluoroethyl methacrylates, are warming up to 95 DEG C after stirring, be added dropwise in 3 hours into reactor The initiator solution being configured to by 0.5g benzoyl peroxides and 10g butyl acetates, 10g ethyl acetate, initiator solution is added dropwise Continue reaction 2 hours after finishing at 95 DEG C, reaction system is cooled to normal temperature afterwards, dust-proof radiating coating is obtained.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the light source shell table of laser projection device with 1mm nozzles Face, drying makes the coating in about 20 μm of thickness of light source shell surface formation after dust-proof radiating paint solidification for 1 hour at 120 DEG C.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 33dyn/cm, contact angle is 100 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the light source shell surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result shown Show, after the dust-proof radiating coating of the present embodiment is set, the temperature on light source shell surface reduces 1.5 DEG C.

Embodiment 5

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

It is 0.4 to add 800g butyl acetates, 2g neopelexes (SDBS), 2.5g average grain diameters in the reactor μm four nitridation tritanium particle, 40g methyl methacrylates, 45g butyl acrylates, 10g dodecafluoroheptyl methacrylates and 5g trifluoroethyl methacrylates, are warming up to 80 DEG C after stirring, be added dropwise in 2.5 hours into reactor by 1g azos two The initiator solution that isobutyronitrile and 20g ethyl acetate are configured to.Continuation reaction 2 is small at 80 DEG C after initiator solution completion of dropping When, reaction system is cooled to normal temperature afterwards, dust-proof radiating coating is obtained.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the liquid cooling heat radiator of laser projection device with 1.2mm nozzles Water arranges surface, and thickness is formed about on liquid cooling heat radiator water row surface after 150 DEG C of drying make dust-proof radiating paint solidification for 15 minutes 15 μm of coating.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 32dyn/cm, contact angle is 99 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Arrange liquid cooling heat radiator water temperature of the surface before and after the dust-proof radiating coating of the present embodiment is set to test, tie Fruit shows, after the dust-proof radiating coating of the present embodiment is set, and the temperature on liquid cooling heat radiator water row surface reduces 2 DEG C.

Embodiment 6

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

Adding 550g ethyl acetate, 2g isomerous tridecanol polyoxyethylene ethers 1380,1.5g average grain diameters in the reactor is 0.15 μm of four nitridation tritanium particle, 25g methyl methacrylates, 50g butyl acrylates, 10g methacrylic acids ten difluoro heptan Ester and 10g Hexafluorobutyl mathacrylates, are warming up to 95 DEG C after stirring, be added dropwise in 2 hours into reactor by 0.4g Continue after the initiator solution that benzoyl peroxide and 20g ethyl acetate are configured to, initiator solution completion of dropping at 95 DEG C Reaction 1 hour, is cooled to normal temperature by reaction system afterwards, obtains dust-proof radiating coating.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the aluminium dust-proof mesh enclosure table of laser projection device with 1mm nozzles Face, the coating of about 20 μm of thickness is formed after 120 DEG C of drying make dust-proof radiating paint solidification for 1 hour on aluminium dust-proof mesh enclosure surface.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 31dyn/cm, contact angle is 106 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the aluminium dust-proof mesh enclosure surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result shown Show, after the dust-proof radiating coating of the present embodiment is set, the temperature on aluminium dust-proof mesh enclosure surface reduces 3 DEG C.

Embodiment 7

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

650g butyl acetates, 1g octyl phenol APEOs (OP-10), 2.5g average grain diameters are added in the reactor For 0.3 μm of four nitridation tritanium particle, 15g methyl methacrylates, 72g butyl acrylates and the difluoro of 13g methacrylic acids ten Heptyl ester, is warming up to 90 DEG C after stirring, be added dropwise in 2.5 hours into reactor by 0.5g azodiisobutyronitriles, 0.2g mistakes Continue anti-at 90 DEG C after the initiator solution that BP and 20g ethyl acetate are configured to, initiator solution completion of dropping Answer 1 hour, reaction system is cooled to normal temperature afterwards, obtain dust-proof radiating coating.

The dust-proof radiating coating that the present embodiment is provided is sprayed on laser movie theatre fluorescent wheel spreader surface with 1mm nozzles, Drying makes the coating in fluorescent wheel spreader surface about 20 μm of thickness of formation after dust-proof radiating paint solidification for 1 hour at 135 DEG C.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 34dyn/cm, contact angle is 96 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the fluorescent wheel spreader surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result It has been shown that, after the dust-proof radiating coating of the present embodiment is set, the temperature of fluorescent wheel spreader surface reduces 4 DEG C.

Embodiment 8

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

800g butyl acetates, the average grain of 2.5g isomerous tridecanol polyoxyethylene ethers E-1310,1.5g are added in the reactor Footpath is 0.6 μm of four nitridation tritanium particle, 42g methyl methacrylates, 40g butyl acrylates, 8g methacrylic acid hexafluoro fourths Ester and 10g trifluoroethyl methacrylates, are warming up to 85 DEG C after stirring, be added dropwise in 2 hours into reactor by 0.6g The initiator solution that azodiisobutyronitrile and 15g ethyl acetate, 5g butyl acetates are configured to.After initiator solution completion of dropping Continue to react 2 hours at 85 DEG C, reaction system is cooled to normal temperature afterwards, dust-proof radiating coating is obtained.

The dust-proof radiating coating that the present embodiment is provided is sprayed on the laser radiating of laser projection device with 1.5mm nozzles Device surface, drying makes after dust-proof radiating paint solidification in laser spreader surface about 15 μm of thickness of formation for 1 hour at 125 DEG C Coating.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 33dyn/cm, contact angle is 98 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the laser spreader surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result It has been shown that, after the dust-proof radiating coating of the present embodiment is set, the temperature of laser spreader surface reduces 1.5 DEG C.

Embodiment 9

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

Add in the reactor 200g ethyl acetate, 300g butyl acetates, 1.5g isomerous tridecanol polyoxyethylene ethers 1380, 1.5g average grain diameters are 0.35 μm of four nitridation tritanium particle, 35g methyl methacrylates, 50g butyl acrylates, 5g methyl-props The difluoro heptyl ester of olefin(e) acid ten, 5g Hexafluorobutyl mathacrylates and 5g trifluoroethyl methacrylates, 85 are warming up to after stirring DEG C, the initiator solution being configured to by 0.3g benzoyl peroxides and 20g ethyl acetate was added dropwise into reactor in 3 hours, Continue reaction 2 hours after initiator solution completion of dropping at 85 DEG C, reaction system is cooled to normal temperature afterwards, obtain dust-proof dissipate Hot coating.

The dust-proof radiating coating that the present embodiment is provided is sprayed on laser movie theatre ray machine casing surface with 1.2mm nozzles, Drying makes the coating in about 15 μm of thickness of ray machine casing surface formation after dust-proof radiating paint solidification for 30 minutes at 130 DEG C.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 33dyn/cm, contact angle is 100 °, it is seen that the coating formed by the dust-proof radiating coating of the present embodiment has dust reduction capability.

Temperature of the ray machine casing surface before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result shown Show, after the dust-proof radiating coating of the present embodiment is set, the temperature on ray machine casing surface reduces 3.5 DEG C.

Embodiment 10

The present embodiment provides a kind of dust-proof radiating coating, and the dust-proof radiating coating is prepared by following methods:

400g ethyl acetate, 2.5g isomerous tridecanol polyoxyethylene ether E-1310,2g average grain diameters are added in the reactor For 0.8 μm of four nitridation tritanium particle, 20g methyl methacrylates, 62g butyl acrylates, 8g methacrylic acids ten difluoro heptan Ester, 10g Hexafluorobutyl mathacrylates, are warming up to 85 DEG C after stirring, be added dropwise in 2 hours into reactor by 0.2g mistakes The initiator solution that BP and 20g ethyl acetate are configured to.Continue anti-at 85 DEG C after initiator solution completion of dropping Answer 1 hour, reaction system is cooled to normal temperature afterwards, obtain dust-proof radiating coating.

The dust-proof radiating coating that the present embodiment is provided is sprayed on laser movie theatre DMD spreader surfaces with 1.5mm nozzles, Drying makes the coating in DMD spreader surfaces about 20 μm of thickness of formation after dust-proof radiating paint solidification for 1 hour at 150 DEG C.

Test, as a result show, a dyne value is to dyne value of coating formed and with the contact angle of water 32dyn/cm, contact angle is 102 °.

Temperature of the DMD spreader surfaces before and after the dust-proof radiating coating of the present embodiment is set is tested, as a result shown Show, after the dust-proof radiating coating of the present embodiment is set, the temperature of DMD spreader surfaces reduces 2 DEG C.

To sum up, integrate dust-proof, heat dispersion dust-proof radiating coating the embodiments of the invention provide a kind of, prevented by this The coating of dirt heat radiation coating formation can have the surface of the electrical equipment of radiating needs in laser projection device etc. with substrate strong bonded The coating that is formed by the dust-proof radiating coating of the embodiment of the present invention is set, and one side effectively prevents dirt accumulation, thus overcome by The problem of heat dispersion caused by dirt accumulation is poor;The heat dispersion that another aspect coating has in itself further promotes heat That measures distributes.

It is described above to be for only for ease of it will be understood by those skilled in the art that technical scheme, not to limit The present invention.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in this Within the protection domain of invention.

Claims (10)

1. a kind of dust-proof radiating coating, it is characterised in that include the component of following parts by weight:
Average grain diameter is less than 1 μm of titanium nitride particles, 1~3 part;
Fluorinated acrylate resin, 90~110 parts;
And, organic solvent, 400~850 parts.
2. dust-proof radiating coating according to claim 1, it is characterised in that the fluorinated acrylate resin is by fluorine-containing (methyl) acrylate monomer and the polymerization of not fluorine-containing (methyl) acrylate monomer are obtained.
3. dust-proof radiating coating according to claim 2, it is characterised in that fluorine-containing (methyl) the acrylate monomer choosing From at least one of trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate and dodecafluoroheptyl methacrylate;
Not fluorine-containing (methyl) acrylate monomer is butyl acrylate and/or methyl methacrylate.
4. the dust-proof radiating coating according to Claims 2 or 3, it is characterised in that fluorine-containing (methyl) the acrylate list The mass ratio of body and not fluorine-containing (methyl) acrylate monomer is:(1:9)~(1:3).
5. dust-proof radiating coating according to claim 1, it is characterised in that the titanium nitride particles are four nitridation tritanium Grain, the average grain diameter of the titanium nitride particles is 0.05~0.8 μm.
6. a kind of preparation method of dust-proof radiating coating, it is characterised in that comprise the following steps:
By organic solvent, emulsifying agent, average grain diameter for less than 1 μm titanium nitride particles, fluorine-containing (methyl) acrylate monomer with It is pre- first afterwards and not fluorine-containing (methyl) acrylate monomer is added to and is well mixed in reactor and is warming up to preset temperature If adding initiator into the reactor in the time, after the initiator, which is added, to be finished, continue under the preset temperature React the second preset time and produce the dust-proof radiating coating;
The addition of the organic solvent is 400~850 parts by weight, fluorine-containing (methyl) acrylate monomer and described is free of The total addition of fluorine (methyl) acrylate monomer is 90~110 parts by weight, and the addition of the titanium nitride particles is 1~3 weight Measure part.
7. preparation method according to claim 6, it is characterised in that the consumption of the initiator is fluorine-containing (methyl) The 0.2~1% of acrylate monomer and not fluorine-containing (methyl) the acrylate monomer gross mass.
8. preparation method according to claim 6, it is characterised in that the preset temperature is 80~95 DEG C, described first Preset time is 1~3 hour, and second preset time is 1~2 hour.
9. a kind of laser projection device, it is characterised in that be provided with the laser projection device any by Claims 1 to 5 The dust-proof radiating coating of dust-proof radiating coating formation described in.
10. laser projection device according to claim 9, it is characterised in that the thickness of the dust-proof radiating coating is 5~ 20μm。
CN201710363820.0A 2017-05-22 2017-05-22 Dust-proof radiating coating and preparation method thereof, laser projection device CN106978036A (en)

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CN107083169A (en) * 2017-05-31 2017-08-22 青岛海信电器股份有限公司 A kind of coating and preparation method thereof, dual-component coating and component containing the coating
TWI632843B (en) * 2017-12-01 2018-08-11 微星科技股份有限公司 Profile and identity recognizing device
CN109559661A (en) * 2018-10-25 2019-04-02 王洎阳 A kind of outdoor media system

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CN103865372A (en) * 2014-04-08 2014-06-18 中山职业技术学院 Preparation method of fluorine-containing acrylic acid super-hydrophobic coating
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CN102660182A (en) * 2012-03-07 2012-09-12 中国科学院化学研究所 Nanocomposite ice-coating-proof paint having properties of superhydrophobicity and low adhesive strength
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CN107083169A (en) * 2017-05-31 2017-08-22 青岛海信电器股份有限公司 A kind of coating and preparation method thereof, dual-component coating and component containing the coating
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