CN103834258A - Nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating, and preparation method and application method thereof - Google Patents
Nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating, and preparation method and application method thereof Download PDFInfo
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Abstract
The invention discloses a nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating, and a preparation method and an application method thereof. A main ingredient A of the nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating comprises 11 to 20% of diamond powder, 1 to 3% of an water-based dispersant, and 78.5 to 88.0% of a solvent; an ingredient B comprises 54 to 60% of a water-based resin, 1 to 3% of a water-based levelling agent, and 38 to 45% of a solvent. According to the preparation method, the surface of a substrate is coated with the ingredient A and the ingredient B with a ratio of 2:1-3:1, and the nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating is obtained via normal temperature standing. The nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating is capable of forming films via solidification at normal temperature, heating is not needed by the solidification process, and the thin films with a nanostructure are obtained via solidification. The thin films are capable of realizing chemical bonding with various devices; surfaces of the devices are coated with the thin films; the thin films are ultrathin, and possess high acid and alkali corrosion resistance, insulation performance, high hardness, superhigh temperature resistance, high wear resistance, low friction coefficient, high heat stability, high infrared transmittance, high adhesive force, and the like. The nanometer diamond heat-dispersing energy-saving environmental-protection thin film coating can be used for automobile heat insulation and heat dispersion, LED energy saving, high-voltage power transformer heat dispersion, air-conditioning compressor heat dispersion, and motor heat dispersion, and related fields such as machinery, electron, and spaceflight.
Description
Technical field
The present invention relates to a kind of nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating and using method thereof, particularly solution-type nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating and the using method thereof of high acid-alkali-corrosive-resisting, high rigidity, high adhesive force, belong to inorganic non-metallic technical field of function materials.
Background technology
In the time processing heat dissipation problem, generally solved by conduction and convection type, because heat loss through radiation is also not obvious under general normal temperature, only more than 300 ℃, the effect of radiation just can be significantly.Heat loss through radiation refers to that heat conducts without object, does not also carry by liquid or gas, and thermal source directly propagates into phenomenon everywhere in non-linear 360 ° of modes, is called heat loss through radiation.Be different from conduction and convection current, the heat energy of radiation is to discharge in hertzian wave mode, therefore between high temp objects and low temperature environment, contacts without the need for physical property, between the two also without the need for medium.Heat is delivered to by radiating surface from thermal source via radiation effect, then reaches in atmosphere with heat radiation mechanism.
Existing heat dissipation interface material generally adopts the materials such as aluminium alloy, copper alloy, metal oxide, ceramic-like materials and the rubber-like take these as filler to make, and the principle of this heat conduction and heat radiation boundary material is by copper, aluminium, aluminium alloy or filler, then heat absorption to be dispersed in surrounding environment.This heat conduction and heat radiation boundary material generally also needs to have radiator shutter and fan, by fan, heat-eliminating medium between radiator shutter is reached to the object of heat radiation as the forced convection of air.Heat-sinking capability deficiency becomes a major technique bottleneck of its development of restriction.
In recent years, there is the report that much accelerates heat radiation by Heating element is applied to high-performance heat sink material.For example, the Chinese patent that application number is 201110253676.8 discloses a kind of nano carbon black heat radiation coating and preparation method thereof, and this heat radiation coating can directly be coated with heat abstractor can increase its area of dissipation, with improving radiating effect.Application number is that 201210169319.8 Chinese patent discloses a kind of heat conduction and heat radiation boundary material and manufacture method thereof, effectively improves heat dispersion, has advantages of that volume is little, lightweight, thin thickness, improves the work-ing life of electronic devices and components.Application number is that 201010514156.3 Chinese patent discloses a kind of heat radiation coating for LED lamp, has heatproof, ageing-resistant, high adhesive force, and the advantage of good heat dissipation effect, but use beryllium oxide and the expensive aluminium nitride that toxicity is larger.Application number is that 200810146607.5 Chinese patent discloses a kind of heat radiation coating and preparation method thereof, and this heat radiation coating can directly be coated heat abstractor to increase its area of dissipation, with improving radiating effect.But the radiating efficiency of above-mentioned patent is not all very high, radiating effect is to be further improved in addition.
The present invention is with quasi-diamond particle, in more than 3000 ℃ pyromagma extract and other materials, synthesizing granular size is 1-10 nm, and the nanotechnology of uses advanced, synthesize solution state, be coated on material surface, formation has ultrathin, high acid-alkali-corrosive-resisting, insulated barriers, high rigidity, superhigh temperature resistant, the heat dissipation, energy conservation environmental protection thin-film material of high adhesive force and resistance to normal temperature radiation characteristic.Over-all properties is better than similar heat dissipation, energy conservation environmental protection thin-film material both at home and abroad, has high radiating efficiency, has wide market application foreground.
Summary of the invention
The object of the present invention is to provide one environmentally friendly, technique is simple, has heat dissipation, energy conservation environmental protection film coating and the using method of high rigidity, superhigh temperature resistant, high adhesive force and resistance to normal temperature radiation characteristic.
The present invention relates to nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating and using method thereof, and it comprises the steps:
(1) preparation major constituent A agent, the component of A agent comprises that following component is by weight forming:
Nanometer quasi-diamond powder 11-20%
Aqueous dispersant 1-3%
Solvent 78.5-88.0%
Described nano-powder is the nanometer quasi-diamond (DLC) that particle diameter is less than or equal to 10 nm, and described aqueous dispersant is anionic polymer TH-904, and described solvent is the one in water or ethanol.
(2) preparation side ingredient B agent, the component of B agent comprises that following component is by weight forming:
Water-base resin 54-60 %
Water-based flow agent 1-3%
Solvent 38-45%
Described water-base resin is aqueous epoxy resins, and described water-based flow agent is the one in modified polyorganosiloxanes or aqueous polyester resin, and described solvent is the one in water or ethanol.
Above-mentioned steps (1) and (2) do not have sequencing.
Described step (1), its concrete preparation technology is: the solvent of corresponding weight ratio and dispersion agent are prepared into solution, subsequently the nano-powder of corresponding weight ratio is added in solution, use high speed dispersor that mixing solutions is uniformly dispersed, the speed setting of high speed dispersor is 1500-1800 rev/min, jitter time is 50-60 minute, makes major constituent A agent after high speed dispersion process completes.
Major constituent A agent is packed in the good container of stopping property, pack.
Described step (2), its concrete preparation technology is: the solution of corresponding weight ratio, the agent of water-based flow agent and water-base resin are prepared into solution, use high speed dispersor that mixed aqueous solution is uniformly dispersed, the speed setting of high speed dispersor is 2400-3000 rev/min, jitter time is 20-30 minute, makes side ingredient B agent after high speed dispersion process completes.
Side ingredient B agent is packed in the good container of stopping property, pack.
When use, the weight ratio of major constituent A agent and side ingredient B agent is 2:1-3:1.
The using method of a kind of aqueous solution type nanometer of the present invention quasi-diamond heat dissipation, energy conservation environmental protection thin-film material sketch under: take each component by the weight ratio of component of design, coating carried out to coating work by any one mode in spraying, roller coat, brushing to the base material of required coating.Apply when operation, can be by the order of A agent → B agent → A agent, or the order of A agent → B agent → A agent → B agent → A agent, or the order of A agent → B agent → A agent → B agent → A agent → B agent → A agent applies, and the timed interval applying between A agent or B agent is 5-10 minute.After coating processes completes, leave standstill after 2-3 hour, can make the surface of base material form the uniform thin film layer of one deck, and the chemical bonding of realization and base material.
Base material of the present invention includes but are not limited to vehicle glass, iron and steel, aluminium alloy etc.
Coating provided by the invention can directly be coated on the surface of base material.Nanometer quasi-diamond powder adopts special synthesis technique to be prepared from, and after coated materials, normal temperature can form nano structure membrane layer after leaving standstill and solidifying.The surface that only need be coated on the base material that needs radiating and cooling, can obviously reduce substrate surface and inner temperature, and radiating effect is obvious.
Product of the present invention has ultrathin, high acid-alkali-corrosive-resisting, insulated barriers, high rigidity, superhigh temperature resistant, the heat dissipation, energy conservation environmental protection thin-film material of high adhesive force and resistance to normal temperature radiation characteristic.Over-all properties is better than similar heat dissipation, energy conservation environmental protection thin-film material both at home and abroad.The present invention is with low cost, operating procedure is simple, environmentally friendly, can be widely used in automobile heat insulation heat radiation, LED streetlamp energy-saving, the heat radiation of high-tension electricity transformer, all kinds of radiating elements and the association areas such as compressor of air conditioner heat radiation and motor heat dissipation, have wide market application foreground.
Accompanying drawing explanation
Fig. 1 is the aluminium flake of uncoated heat radiation coating and the warming curve that is coated with the heat radiation coating aluminium flake in the embodiment of the present invention 1.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but should not limit the scope of the invention with this.
embodiment 1:
Get anionic polymer TH-904 type aqueous dispersant 1.5 g and 87.5g water and mix formation mixing solutions, add mean particle size to be less than nanometer quasi-diamond powder 11 g of 10 nm, be placed in this mixing solutions, use high speed dispersor that mixed aqueous solution is uniformly dispersed, the speed setting of high speed dispersor is 1800 revs/min, jitter time is 60 minutes, makes major constituent A agent after high speed dispersion process completes.Get 43.9g water, 1.1g water-based flow agent organopolysiloxane and 55g aqueous epoxy resins and be prepared into solution, use high speed dispersor that mixed aqueous solution is uniformly dispersed, the speed setting of high speed dispersor is 3000 revs/min, jitter time is 30 minutes, makes side ingredient B agent after high speed dispersion process completes.When use, the weight ratio of major constituent A agent and side ingredient B agent is 2:1.Coating is carried out to coating work by brushing to the base material of required coating.Apply when operation, described component is by being first coated with A agent, rear painting B agent, and the order that is again coated with A agent is carried out.Coating work is at room temperature carried out, and leaves standstill after 2-3 hour, can make the surface of base material form the uniform thin film layer of one deck.
Embodiment 2, coating and using method thereof are substantially the same manner as Example 1, and its difference is: the composition of A agent is anionic polymer TH-904 type aqueous dispersant 2.0 g and water 83g, nanometer quasi-diamond powder 15 g.The composition of B agent is 41.5g water, 1.5g aqueous polyester resin and 57g aqueous epoxy resins.
Embodiment 3, coating and using method thereof are substantially the same manner as Example 1, and its difference is: the composition of A agent is anionic polymer TH-904 type aqueous dispersant 2.5 g and ethanol 78.5g, nanometer quasi-diamond powder 19g.The composition of B agent is 39.1g water, 1.9g organopolysiloxane and 59g aqueous epoxy resins.
Embodiment 4, coating and using method thereof are substantially the same manner as Example 1, and its difference is: the composition of A agent is aqueous dispersant 2.0 g and water 83g, nanometer quasi-diamond powder 15 g.The composition of B agent is 43.9g water, 1.1g water-based flow agent and 55g water-base resin.While applying operation, described component is undertaken by the order of first A agent → B agent → A agent → B agent → A agent.Coating work is at room temperature carried out, and leaves standstill after 2-3 hour, can make the surface of base material form the uniform thin film layer of one deck.
Embodiment 5, coating and using method thereof are substantially the same manner as Example 1, and its difference is: the composition of A agent is aqueous dispersant 2.0 g and water 83g, nanometer quasi-diamond powder 15 g.The composition of B agent is 39.1g water, 1.9g water-based flow agent and 59g water-base resin.While applying operation, described component is undertaken by the order of first A agent → B agent → A agent → B agent → A agent → B agent → A agent.Coating work is at room temperature carried out, and leaves standstill after 2-3 hour, can make the surface of base material form the uniform thin film layer of one deck.
Above-described embodiment is the good embodiment of implementation result in the present invention, and the present invention can not enumerate out whole embodiments, adopts or similar approach identical with it and component and other coating of obtaining, all within protection domain of the present invention.
The contrast experiment's of temperature lowering curve concrete testing method is: the aluminium alloy plate of preparing two 10cm × 10cm × 0.15cm, wherein one is control group, its surface does not apply heat radiation coating, and another piece is experimental group, the heat radiation coating that its surface-coated has embodiment 1 to prepare.Two aluminium alloy plates are placed on to temperature constant temperature in 100 ℃ of heating units and, after 1 hour, temp.-sensing wire are fixed on to the central position of aluminium flake, remove heating unit, utilize temperature measurer to record the temperature variation of different aluminum alloys plate.As shown in Figure 1, the half time used that the aluminium alloy plate that is coated with the heat radiation coating of the embodiment of the present invention 1 is cooled to starting temperature is 12 minutes, be 35 minutes and the aluminium alloy plate of uncoated heat radiation coating is cooled to the half of the starting temperature time used, this illustrates that nanometer quasi-diamond heat radiation coating of the present invention has extraordinary radiating effect.
Table 1 is for adopting some test data of the solution-type nanometer quasi-diamond heat dissipation, energy conservation environmental protection coating material that in the present invention prepared by cited embodiment, and the base material that test adopts is sandblast aluminium alloy plate, is of a size of 10 cm * 10 cm * 0.15cm.
Table 1
| Specific embodiment | 1 | 2 | 3 | 4 | 5 |
| High thermal resistance | 500℃ | 510℃ | 490℃ | 510℃ | 510℃ |
| Pencil hardness | 6H | 6H | 6H | 6H | 6H |
| Sticking power | I level | I level | I level | I level | I level |
| Salt tolerance | Rustless still | Rustless still | Rustless still | Rustless still | Rustless still |
| Acid resistance (10% hydrochloric acid, 24h) | Rustless still | Rustless still | Rustless still | Rustless still | Rustless still |
| Alkali resistance (10% sodium carbonate, 24h) | Rustless still | Rustless still | Rustless still | Rustless still | Rustless still |
Claims (5)
1. a nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating, is characterized in that, comprising:
(1) major constituent A agent, the component of A agent comprises that following component is by weight forming:
Nanometer quasi-diamond powder 11-20%
Aqueous dispersant 1-3%
Solvent 78.5-88.0%
(2) side ingredient B agent, the component of B agent comprises that following component is by weight forming:
Water-base resin 54-60 %
Water-based flow agent 1-3%
Solvent 38-45%.
2. nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating according to claim 1, it is characterized in that, solvent in described A agent or B agent is the one in water or ethanol, described water-base resin is aqueous epoxy resins, and described water-based flow agent is the one in modified polyorganosiloxanes or aqueous polyester resin.
3. nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating according to claim 1, is characterized in that, the particle diameter of described nanometer quasi-diamond powder is less than or equal to 10 nm, and described aqueous dispersant is anionic polymer TH-904.
4. the preparation method of a kind of nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating according to claim 1, it is characterized in that, the preparation technology of described major constituent A agent is: the solvent of corresponding weight ratio and aqueous dispersant are prepared into solution, subsequently the quasi-diamond nano-powder of corresponding weight ratio is added in solution, use high speed dispersor that mixing solutions is uniformly dispersed, the speed setting of high speed dispersor is 1500-1800 rev/min, and jitter time is 50-60 minute; The preparation technology of described side ingredient B agent is: the solvent of corresponding weight ratio, water-based flow agent and water-base resin are prepared into solution, use high speed dispersor that mixed aqueous solution is uniformly dispersed, the speed setting of high speed dispersor is 2400-3000 rev/min, and jitter time is 20-30 minute.
5. the using method of nanometer quasi-diamond heat dissipation, energy conservation environmental protection film coating according to claim 1, is characterized in that: when use, the weight ratio of major constituent A agent and side ingredient B agent is 2:1-3:1; Coating is carried out to coating work by any one mode in spraying, roller coat, brushing to the base material of required coating, press the order of A agent → B agent → A agent, or the order of A agent → B agent → A agent → B agent → A agent, or the order of A agent → B agent → A agent → B agent → A agent → B agent → A agent applies, the timed interval applying between A agent and B agent is 5-10 minute, after coating processes completes, leave standstill after 2-3 hour, can make the surface of base material form the uniform thin film layer of one deck, and the chemical bonding of realization and base material.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104388046A (en) * | 2014-11-14 | 2015-03-04 | 威莱(广州)日用品有限公司 | Film-forming agent for air-conditioning cooling fin and preparation method of film-forming agent |
| CN104650697A (en) * | 2014-06-26 | 2015-05-27 | 柳州市安龙机械设备有限公司 | High temperature resistant nano coating |
| CN106752645A (en) * | 2016-12-12 | 2017-05-31 | 墨宝股份有限公司 | A kind of Nano diamond heat dissipation, energy conservation environment-friendlythin thin film coating and its preparation application method |
| CN109810599A (en) * | 2019-01-24 | 2019-05-28 | 河南省豫星微钻有限公司 | A kind of anti-corrosion heat radiation coating and preparation method thereof |
| CN109837037A (en) * | 2017-11-28 | 2019-06-04 | 山东得普达电机股份有限公司 | Heat superconducting Nano diamond insulating cement and its application |
| CN115386278A (en) * | 2022-07-29 | 2022-11-25 | 重庆科技学院 | Transparent hard antifouling coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104650697A (en) * | 2014-06-26 | 2015-05-27 | 柳州市安龙机械设备有限公司 | High temperature resistant nano coating |
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| CN109810599A (en) * | 2019-01-24 | 2019-05-28 | 河南省豫星微钻有限公司 | A kind of anti-corrosion heat radiation coating and preparation method thereof |
| CN115386278A (en) * | 2022-07-29 | 2022-11-25 | 重庆科技学院 | Transparent hard antifouling coating and preparation method and application thereof |
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