CN102993875A - Interior wall heat insulation coating - Google Patents
Interior wall heat insulation coating Download PDFInfo
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Abstract
The invention provides an interior wall heat insulation coating. The coating comprises the following components in parts by weight: 5-45 parts of water, 3-25 parts of auxiliaries, 3-55 parts of inorganic fillers, 5-55 parts of coating resins and 1-30 parts of doped semiconductors, metal-clad hollow microspheres and metal powder. According to the invention, the doped semiconductors enable the wall surface to have lower absorption of heat radiations and high heat storage coefficient and enable the temperature of the wall surface to rise to increase the indoor temperature, thus improving the heat comfort of the rooms; the metal-clad hollow microspheres have low heat conductivity coefficients, thus reducing the heat conductivity coefficient of the coating and promoting the middle to far infrared heat ray barrier capacity of the heat insulation coat; and the metal powder can instantly reflect most indoor middle to far infrared heat radiation back indoors; and therefore the interior wall heat insulation coating provided by the invention has a higher heat insulation effect.
Description
Technical field
The present invention relates to the lagging material technical field, relate in particular to a kind of inner wall heat-preservation coating.
Background technology
The heating system that present China generally adopts is mainly the radiator convected heating pattern, and such as floor heating, radiator etc., the panel type heating systems such as infrared electrothermal film are because heat distribution is more even, and are higher to human body and other object heat effect efficient, progressively popularize.Indoor heat conduction pattern is mainly radiation and convection current, no matter adopt convection heating or radiant heating, thermal radiation occupies critical role in indoor heat effect, can will be absorbed by body of wall when thermal radiation arrives surface of wall, thereby run off to outdoor.
The winter heating energy consumption is the main energy consumption of Chinese architecture, and Chinese Government improves constantly the requirement of building energy conservation.Fair in order to embody with heat, break away from the central heating of inefficiency and be accustomed to, all implemented the energy-conservation way of household-based heat metering for the reducing energy consumption project of new building and existing building.But, present building energy conservation heat insulation measure is only for the peripheral structure of building, generally do not adopt Insulation between the house partition wall in the building, may be different temperature like this between the different buildings, thereby generation hot pressing, the heat loss phenomenon can appear in the room that temperature is high, and namely heat flows to the low room of temperature from the high room of temperature.This unjust phenomenon with heat causes variety of issue and contradiction easily, more serious such as the heat loss in the resident family, so that uneven with heat between the neighbours, cause inequitable phenomenon, and have higher building energy consumption, thereby affected the popularization of China's Building Energy Conservation Policy.
Summary of the invention
The purpose of invention is to provide a kind of inner wall heat-preservation coating, and inner wall heat-preservation coating provided by the invention can improve indoor temperature, has higher heat insulation effect.
The invention provides a kind of inner wall heat-preservation coating, comprise the component of following weight part:
5 parts ~ 45 parts water;
3 parts ~ 25 parts auxiliary agent;
3 parts ~ 55 parts mineral filler;
5 parts ~ 55 parts coating resin;
1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.
Preferably, described doped semiconductor is one or more in doped stannum oxide, the doping germanium oxide.
Preferably, the metal in the described metallic cover cenosphere is one or more in manganese, nickel, zinc, cadmium, gallium, indium, molybdenum, tungsten, thallium, gold and silver, copper, iron and the aluminium.
Preferably, the material of described metal-powder is one or more in gold and silver, copper, iron and the aluminium.
Preferably, comprise 6 parts ~ 21 parts auxiliary agent.
Preferably, described auxiliary agent comprises dispersion agent, film coalescence aid, defoamer, flow agent and thickening material.
Preferably, comprise 8 parts ~ 48 parts mineral filler.
Preferably, described mineral filler is one or more in titanium dioxide, talcum powder or the fine particle calcium carbonate.
Preferably, comprise 20 parts ~ 35 parts coating resin.
Preferably, described coating resin is one or more in ACRYLIC EMULSION, styrene acrylic coating resin and the silicon Class C coating resin.
The invention provides a kind of inner wall heat-preservation coating, comprise the component of following weight part: 5 parts ~ 45 parts water; 3 parts ~ 25 parts auxiliary agent; 3 parts ~ 55 parts mineral filler; 5 parts ~ 55 parts coating resin; 1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.In the present invention, described doped semiconductor can make the body of wall surface temperature raise so that metope has lower thermal radiation absorption and high heat storage coefficient; The body of wall temperature raises, and also increases room temp simultaneously, has greatly improved the hot comfort in room, thereby has improved indoor heat insulation effect; And because the metallic cover cenosphere has the structure of hollow, thermal conductivity is little, therefore in the inner wall heat-preservation coating that obtains without the convection current air, reduced the thermal conductivity of coating, significantly promote the obstructing capacity of heat insulation coating centering Far infra-red hot ray, improved further indoor heat insulation effect; Described metal-powder can be reflected back the mid and far infrared line thermal radiation of indoor exhausted vast scale indoor; And because continuity and the instantaneity of heat energy emission, the heat energy overwhelming majority of the inner wall heat-preservation coating Surface absorption that the present invention improves is returned again indoor by opticofacial winking reflex, thereby further improved indoor heat insulation effect, therefore, inner wall heat-preservation coating provided by the invention has higher heat insulation effect.Experimental result shows that the far reflectivity of inner wall heat-preservation coating centering provided by the invention can reach 35%, and can trap heat scatter and disappear can improve 2 ℃ ~ 5 ℃ room temperature.
Description of drawings
Fig. 1 is the ATO reflectivity that adopts of the present invention and the graph of a relation of reflection wavelength;
Fig. 2 is the infrared emittance comparison curves before and after the cenosphere that adopts of the present invention coats;
Fig. 3 is the cenosphere illumination heating curve that the present invention adopts different metal to coat.
Embodiment
The invention provides a kind of inner wall heat-preservation coating, comprise the component of following weight part:
5 parts ~ 45 parts water;
3 parts ~ 25 parts auxiliary agent;
3 parts ~ 55 parts mineral filler;
5 parts ~ 55 parts coating resin;
1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.
In the present invention, described doped semiconductor can make the body of wall surface temperature raise, thereby increase room temp so that metope has lower thermal radiation absorption and high heat storage coefficient, has greatly improved the hot comfort in room, thereby has improved indoor heat insulation effect; Described metal microbead by metallic cover after infrared reflectance be improved, emittance reduces, and has certain heat reflection effect; And because the metallic cover cenosphere has the structure of hollow, thermal conductivity is little, has significantly promoted the obstructing capacity of heat insulation coating centering Far infra-red hot ray, has improved further indoor heat insulation effect; Described metal-powder all can be reflected back the mid and far infrared line thermal radiation of indoor exhausted vast scale indoor, thereby has further improved indoor heat insulation effect, and therefore, inner wall heat-preservation coating provided by the invention has higher heat insulation effect.Therefore, inner wall heat-preservation coating provided by the invention has higher heat insulation effect.
It is as follows that inner wall heat-preservation coating provided by the invention can improve the theoretical analysis of indoor heat insulating effect:
The object that nature exists when absorbing sunlight also constantly to the invisible infrared light of extraneous radiation naked eyes and the longer hertzian wave of wavelength, be referred to as thermal radiation.This radiation is that the thermal motion by molecule, atom causes, the quantity of radiant energy size is closely related with temperature and body surface character.The radiation intensity of general object is derived according to Planck's law, and yield of radiation has the expression formula shown in the formula (I):
M=εσT
4（I）
Wherein: ε is radiant ratio, and σ is Boltzmann constant, and T is thermodynamic temperature;
The spectral radiant exitance of the black matrix of different thermodynamic temperatures is different, and the blackbody radiation emittance has following characteristic:
(1) total radiation emittance increases along with the increase of temperature;
(2) peak wavelength of spectral radiant exitance is along with the increase of temperature is moved to the short direction of wavelength;
(3) spectral radiant exitance of perfect black body is only relevant with absolute temperature.
(I) can find out by formula, and the surface emissivity degree of general object is except outside the Pass having with temperature, and is also relevant with emissivity.According to the kirchhoff rule, at a certain temperature, the radiant ratio of object is identical with specific absorption, and the different objects receptivity is different.
When invisible heat arrives low radiation inner wall heat-preservation coating surface, only produce reflection and absorb (see through and only be transmitted in the transparent substance) two kinds of effects at surface of wall, if wall and surface has low thermal radiation absorption and high heat storage coefficient, the body of wall surface temperature is raise; The body of wall temperature raises, and also increases room temp simultaneously, has greatly improved the hot comfort in room, has improved indoor heat insulation effect.
The present invention studies show that, doped semiconductor one class material has certain carrier concentration, can make its 5 μ m～15 mu m wavebands have higher infrared reflectance and low infrared emittance, can be used for preparing interior wall reflective thermal-insulating coating, to improve the indoor heat insulating effect, such as tin-antiomony oxide (ATO), referring to Fig. 1, Fig. 1 is the ATO reflectivity that adopts of the present invention and the graph of a relation of reflection wavelength, wherein N represents carrier concentration, as seen from Figure 1, because doped semiconductor has certain carrier concentration, thereby can by adjusting the carrier concentration that changes doped semiconductor, make it have higher infrared reflectance and low infrared emittance at 5 μ m ~ 15 mu m wavebands;
In addition, after body of wall has absorbed indoor invisible heat, produce the conversion of heat energy, the body of wall internal surface temperature can raise.The rising of body of wall temperature can produce 2 kinds of effects: the one, and passing to outdoor heat by body of wall increases, and is that metope is to the radiating capacity increase of the interior space more on the one hand.
What of Indoor Thermal loss these two kinds of net effects that occur in inner wall surface determine.Minimizing is transmitted to outdoor heat and can improves indoor heat insulation effect, the metallic cover cenosphere that the present invention adopts has hollow structure, and thermal conductivity is little, introduces without the convection current air in lagging material, improve the thermal resistance performance of coating, stoped the indoor wall heat outwards to scatter and disappear;
The cenosphere that the present invention adopts is through metallic cover, behind the cenosphere surface clad, can improve the electric conductivity of material, thereby improve it to the reflecting properties of ir radiation, reduction is to the absorption of ir radiation, referring to Fig. 2, Fig. 2 is the infrared emittance comparison curves before and after the cenosphere that adopts of the present invention coats, wherein curve a is the infrared emittance of cenosphere before the metallic cover, curve b is the infrared emittance of the metallic cover cenosphere that obtains after the metallic cover, as seen from Figure 2, infrared reflectance behind the cenosphere clad metal has reduced about 30%, therefore, in the present invention, the cenosphere of described metallic cover can increase the heat reflection to indoor mid and far infrared line;
Therefore, indoor heat insulating coating provided by the invention is externally scattering and disappearing of trap heat on the one hand, increases on the one hand the heat reflection of centering far infrared rays, most reflect heat is returned indoor, thereby improved indoor heat insulation effect.Referring to Fig. 3, Fig. 3 is the illumination heating curve that the present invention adopts the cenosphere of different metal coating, wherein curve a, b and c are respectively the illumination heating curve that adopts the metallic cover cenosphere that obtains after gold and silver and the aluminium coating, as seen from Figure 3, the metallic cover cenosphere of the present invention's employing can improve room temp;
Moreover, by the Wien shifting theorem as can be known, the peak wavelength λ that the radiation object is corresponding
mAnd have the relation shown in the formula (II) between the absolute temperature T:
λ
mT=2898（μm·K）（II）
Wherein, λ
mWavelength for the object radiation ray; T is thermodynamic temperature;
Be that object temperature is higher, the peak wavelength λ of reflected radiation
mMore to short wave mobile.
According to different areas heating difference, room temp generally maintains between about 18 ℃ ~ 25 ℃, and indoor heating equipment top temperature is about 80 ℃, and its radiation peak is at 8.21 μ m; The object proximity room temperature of indoor lesser temps is got 18 ℃ of calculating of the minimum room temperature of national requirements winter heating, and its radiation peak is at 9.96 μ m; Human body temperature is about 37 ℃, and its radiation peak is at 9.35 μ m; And the visible light sources such as thermal source that indoor natural light is advanced such as light source, TV light source, outdoor biography in indoor other invisible heat sources are less to indoor heat effects, can ignore.Through above analysis as can be known, indoor thermal radiation source comprises visible light, near infrared ray, far infrared rays, its cover heating radiation wavelength scope is 0.38 μ m ~ 14 μ m, but the Indoor Thermal ray mainly concentrates on the far infrared band of 6 μ m ~ 12 μ m, and reach more than 80% in the transmitance of this wave band invisible heat to room air, can directly pass through the interior space, reach inner wall surface.So interior wall reflective thermal-insulating coating is coated on the interior wall internal surface, if can have higher reflectivity to the far infrared band that indoor 6 μ m ~ 12 μ m thermal radiation are concentrated, thereby just can promote the indoor reflection insulated capacity, prevent that indoor heat energy from passing wall and being diffused into outdoor;
According to Maxwell's Electromagnetic theory, ionogen is to having the relation shown in the formula (III) between the electromagnetic reflectivity:
ρ=（n-1）
2/(n+1)
2（III）
Wherein: ρ is that ionogen is to electromagnetic reflectivity; N is electrolytical specific refractory power, and the used mineral filler major part of coating belongs to ionogen.By formula (III) as can be known, the specific refractory power of mineral filler is higher, and is higher to electromagnetic reflectivity, and heat insulation effect is better;
The present invention's research draws, and metal-powder can reflect the indoor mid and far infrared line of the overwhelming majority, thereby can improve indoor heat insulation effect.
Inner wall heat-preservation coating provided by the invention by weight, comprises 1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder, is preferably 5 parts ~ 25 parts;
In the present invention, described doped semiconductor is preferably one or more in doped stannum oxide, the doping germanium oxide, one or more in tin-antiomony oxide (ATO), tin indium oxide (ITO), GTO, gallium doped stannum oxide, indium gallium codoped stannic oxide and the doping germanium oxide more preferably most preferably are among ATO, ITO and the GTO one or more;
In the present invention, GTO is a kind of novel nanometer novel material, all same ATO, ITO powder are similar from outward appearance, form, characteristic, these aspects of function, ATO, ITO powder only reach 70% in the near-infrared region heat-proof quality, and the heat-proof quality of GTO powder can reach 95%, and other side all same ATO, ITO powder is similar.And the form of GTO powder nanometer particle is molectron unconventional, irregular variform.The present invention does not have special restriction to the source of described GTO, adopts the commercial goods of GTO to get final product, and is the commercial goods of the GTO of GTO-P100 such as the model that can adopt Shanghai Huzheng Nano-Tech Co., Ltd. to produce, and it is blue powder, and specific surface area is 30m
2/ g ~ 50m
2/ g, size is 40nm, proportion is 1.62g/m
2, mass concentration 〉=99.9%;
In the present invention, described metallic cover cenosphere is preferably and floats in pearl and the ceramic hollow microballon one or both, when described cenosphere when floating pearl, it is exactly that thermal power plant's flyash of discharging extracts thing; The present invention does not have special restriction for the source of cenosphere, adopts the cenosphere with hollow structure well known to those skilled in the art to get final product; The present invention does not have special restriction to the metal species of described coating cenosphere, adopt metal well known to those skilled in the art to get final product, metallic element such as the lower left that is positioned at " boron-astatine line of delimitation " in the periodic table of elements, in the present invention, metal in the described metallic cover cenosphere is preferably one or more in manganese, nickel, zinc, cadmium, gallium, indium, molybdenum, tungsten, thallium, gold and silver, copper, iron and the aluminium, more preferably one or more in gold, iron, copper, silver and the aluminium most preferably are silver or aluminium; The present invention does not have special restriction to the thickness of described metal carbonyl coat, and in the present invention, the thickness of described metal carbonyl coat is preferably greater than and equals 100nm, more preferably 200nm ~ 300nm; The particle diameter of described metallic cover cenosphere more preferably less than 150 microns, most preferably is 5 microns ~ 120 microns preferably less than or equal to 180 microns;
The present invention does not have special restriction to the source of described metallic cover cenosphere, can adopt commercially available commodity, also can prepare voluntarily, the present invention does not have special restriction to the method for metal refining, adopt the technical scheme of metal refining well known to those skilled in the art to get final product, as adopting the method for electrochemistry plating, also can adopt the method for electroless plating; As when preparing the cenosphere that silver coats, can adopt the technical scheme of silver mirror reaction at cenosphere surface deposition silver;
In the present invention, the granularity of described metal-powder is 300 orders ~ 600 orders, and more preferably 350 orders ~ 550 orders most preferably are 400 orders ~ 500 orders; The material of described metal-powder is preferably one or more in gold and silver, copper, iron and the aluminium, more preferably one or more in silver and the aluminium; The shape of described metal-powder is preferably sheet;
In the present invention, the mass ratio of described doped semiconductor, metallic cover cenosphere and metal-powder is preferably (40 ~ 60): (25 ~ 45): (5 ~ 25), more preferably (45 ~ 55): (30 ~ 40): (10 ~ 20).
Inner wall heat-preservation coating provided by the invention by weight, comprises 5 parts ~ 45 parts water, is preferably 10 parts ~ 40 parts, more preferably 15 parts ~ 30 parts; The present invention does not have special restriction to described water, adopts the water of those skilled in the art's coating resin to get final product, and as adopting pure water, can adopt intermediate water yet, can also adopt deionized water;
Inner wall heat-preservation coating provided by the invention by weight, comprises 3 parts ~ 25 parts auxiliary agents, is preferably 6 parts ~ 21 parts, more elects 9 parts ~ 18 parts as; The present invention does not have special restriction to described auxiliary agent, adopts the kind of auxiliary agent well known to those skilled in the art to get final product.In the present invention, described auxiliary agent preferably includes dispersion agent, film coalescence aid, defoamer, flow agent and thickening material;
In the present invention, described auxiliary agent comprises dispersion agent, can reduce and finish needed time of dispersion process and energy, the stable pigment dispersion that disperses, modified pigment particle surface properties, the mobility of adjustment pigment particles; In the present invention, described dispersion agent is preferably one or more in poly-phosphate and the acrylate compounds, and sodium salt, sylvite and the ammonium salt of electing polyphosphoric acid as and in acrylic acid sodium salt, sylvite and the ammonium salt one or more are more arranged;
In the present invention, described auxiliary agent comprises film coalescence aid, thereby can promote macromolecular compound plastic flow and recoverable deformation, improves coalescent performance, can be in more extensive construction temperature scope the material of film forming; In the present invention, described film coalescence aid is preferably propandiol butyl ether, 1-Methoxy-2-propyl acetate and alcohol ester 12, in one or more;
In the present invention, described auxiliary agent comprises defoamer, and described defoamer is preferably one or more in mineral oil antifoam agent or the silicone antifoam agent;
In the present invention, described auxiliary agent comprises flow agent, make the thermal insulation coatings that obtains in the drying and forming-film process, form one smooth, smooth, film uniformly; Described flow agent is preferably propylene glycol or long-oil-length alkydpaints resin paint;
In the present invention, described auxiliary agent comprises thickening material, thereby has improved melt viscosity or liquid viscosity, not only can make the coating thickening, prevents from the sagging phenomenon occurring in the construction, and can give mechanical property and the package stability of thermal insulation coatings excellence; In the present invention, described thickening material comprises one or more in ether of cellulose and derivative and the polyurethanes compound, more has to elect in methylcellulose gum, carboxymethyl cellulose, Natvosol, Vltra tears and linear association type polyurethane thickener and the pectination associative polyurethane thickening material one or more as;
The present invention does not have special restriction to the source of above-mentioned auxiliary agent, can adopt the commercial goods of above-mentioned auxiliary agent.
Inner wall heat-preservation coating provided by the invention by weight, comprises 3 parts ~ 55 parts mineral filler, more preferably 8 parts ~ 48 parts, most preferably is 12 parts ~ 42 parts.The present invention does not have special restriction to the kind of described mineral filler, adopts the mineral filler for interior wall coating well known to those skilled in the art to get final product.In the present invention, described mineral filler is preferably one or more in titanium dioxide, talcum powder or the fine particle calcium carbonate; In the present invention, the titanium dioxide of described mineral filler is ordinary titanium powder, and it is to use as color stuffing, and particle diameter is less than 1 μ m.
Inner wall heat-preservation coating provided by the invention by weight, comprises 5 parts ~ 55 parts coating resins, is preferably 10 parts ~ 50 parts, more elects 15 parts ~ 45 parts as, most preferably is 20 parts ~ 40 parts.The present invention does not have special restriction to the kind of described coating resin, adopts the coating resin of those skilled in the art's resin to get final product, such as the water-borne coatings resin; In the present invention, described coating resin is preferably one or more in acrylic ester emulsion, styrene acrylic coating resin and the silicon Class C coating resin, more elects acrylic ester emulsion as.
The present invention does not have special restriction to the preparation method of described inner wall heat-preservation coating, adopts the preparation method of interior wall coating well known to those skilled in the art to get final product.In the present invention, preferably in accordance with the following methods preparation of inner wall heat-preservation coating:
Water, auxiliary agent and mineral filler are mixed, obtain mixture;
Described mixture is carried out super-refinement, obtain the super-refinement particle;
Described super-refinement particle is mixed with doped semiconductor, metallic cover cenosphere and metal-powder, obtain slurry;
Described slurry is mixed with coating resin, obtain inner wall heat-preservation coating.
The present invention at first mixes water, auxiliary agent and mineral filler, obtains mixture.Order of addition(of ingredients) when the present invention mixes described water, auxiliary agent and mineral filler does not have special restriction, adopts order of addition(of ingredients) well known to those skilled in the art to get final product.The present invention preferably is added to the water auxiliary agent, after stirring again to wherein adding mineral filler; The present invention in the process that adds auxiliary agent and mineral filler, slowly adds as far as possible, and constantly stirs in the process that adds in order to obtain finely dispersed mixture.The present invention does not have special restriction to the method for described stirring, adopts the technical scheme of stirring well known to those skilled in the art to get final product.
After obtaining mixture, the present invention is preferred wetting with the particle surface of described mixture first, the mixing that preferably will obtain places dispersion machine to disperse, and the rotating speed of described dispersion machine is preferably 100 rev/mins ~ 300 rev/mins, more elects 150 rev/mins ~ 250 rev/mins as;
And then the mixture after wetting carried out super-refinement, the present invention preferably adopts high speed dispersor that the mixture after wetting is carried out super-refinement, utilizes the strong shear effect on the high speed dispersor, makes solids be dispersed into the monomer particle.The present invention does not have special restriction to the parameter of described super-refinement process, adopts the technical scheme of super-refinement well known to those skilled in the art to get final product, and with the order of magnitude of grain refine to about 10 μ m, more elects as below the 5 μ m.
After obtaining the particle of super-refinement, the present invention mixes the particle of described super-refinement with doped semiconductor, metallic cover cenosphere and metal-powder, obtain slurry after being uniformly dispersed;
After obtaining slurry, the present invention mixes described slurry with coating resin, obtain inorganic-organic compound system, i.e. inner wall heat-preservation coating.
Kind at the raw material described in the above-mentioned preparation method is consistent with mass ratio with the kind of the component of mass ratio such as the described inner wall heat-preservation coating of above-mentioned technical scheme, does not repeat them here.
With described slurry with after coating resin mixes, preferably in the base paint that obtains, add defoamer, flow agent and thickening material, according to customer requirement the viscosity of base paint is regulated, the present invention does not have special restriction to the method for described adjusting, adopts the technical scheme of adjusting viscosity well known to those skilled in the art to get final product;
In order to meet the standard of commercial goods, the coating that the present invention preferably will regulate viscosity filters, packs and warehouse-in, sells as the commercial goods.
This inner wall heat-preservation coating that provides preferably also comprises the infrared reflecting paint that specific refractory power is more than 2.0, particle diameter is not less than 1 μ m, the infrared reflecting paint that described specific refractory power is more than 2.0, particle diameter is not less than 1 μ m can reflection room in the absolutely mid and far infrared thermal radiation of vast scale, improved indoor heat insulation effect:
It is the relation shown in (IV) that the particle diameter of mineral filler and scattering wavelength X have:
λ=d/k
Wherein, k is constant, 4.4 * 10
-1
Therefore, can have to the far infrared band that indoor mid and far infrared thermal radiation is concentrated the particle diameter of material of higher reflectivity more than 1 μ m;
In the present invention, the infrared reflecting paint that described specific refractory power is more than 2.0, particle diameter is not less than 1 μ m can be white pigment, also can be other coloured pigments, described white pigment is preferably one or more in rutile titanium dioxide, anatase titanium dioxide, weisspiessglanz and the zinc oxide; Described coloured pigment is take above-mentioned white pigment as base material, and coloured pigment coats the infrared reflecting paint that forms, and in the present invention, the white pigment of described base material is preferably Rutile type Titanium Dioxide; In the present invention, the particle diameter of described infrared reflecting paint preferably is not less than 6 μ m, more preferably 6 μ m ~ 10 μ m;
The present invention does not have special restriction to the source of described coloured pigment, prepares voluntarily as adopting following method:
With rutile TiO
2Mix with water, obtain slip;
Described slip is mixed with Sodium hexametaphosphate 99, obtain mixed slurry;
The coloured pigment solution that the coloured pigment dissolving is obtained mixes with described mixed slurry, and the pH value of conditioned reaction liquid is carried out painted;
With BaCl
2Solution mixes with the described painted solution of finishing, and then the mixing solutions that obtains is mixed with emulsifying agent and laking agent, obtains the color infrared reflective paint after the reaction.
In the present invention, the particle diameter of described rutile titanium dioxide is preferably 2 μ m ~ 6 μ m, more preferably 5 μ m; The mass concentration of rutile titanium dioxide is preferably 0.1g/mL ~ 0.5g/mL in the described slurry, more preferably 0.25g/mL; The mass ratio of described rutile titanium dioxide and described Sodium hexametaphosphate 99 is preferably (1 ~ 10): 0.1, more preferably (3 ~ 8): 0.1; The present invention does not have special restriction to described coloured pigment, those skilled in the art can select the kind of coloured pigment as required, as being direct light turquoise GL, the present invention preferably mixes yellow soda ash in the hot water that is dissolved in 85 ℃ ~ 90 ℃ with coloured pigment, obtain coloured pigment solution; The mass ratio of described yellow soda ash and described coloured pigment is preferably 1:(1 ~ 5), 1:2.5 more preferably; The described painted time is preferably 2h ~ 5h, more preferably 2.5h ~ 3.5h; The present invention preferably in the hot water with 80 ℃ of barium chloride solutions, obtains barium chloride solution, preferably the barium chloride solution that obtains is divided 5 times and mixes with the described painted solution of finishing; The present invention does not have special restriction to the kind of described emulsifying agent and described laking agent, adopts emulsifying agent well known to those skilled in the art and laking agent to get final product, as adopting OP emulsifying agent and color fixing agent Y;
The present invention with after mixing solutions mixes, preferably stirs emulsifying agent and laking agent, and the present invention does not have special restriction to the method for described stirring, adopts the technical scheme of stirring well known to those skilled in the art to get final product; In the present invention, the time of described stirring is preferably 2h ~ 5h, more preferably 3h ~ 4h;
After finishing stirring, the present invention preferably washs the reaction product that obtains, filter and be dry, the present invention does not have special restriction to described washing, filtration and dry method, adopts washing well known to those skilled in the art, filtration and dry technical scheme to get final product;
In the present invention, described specific refractory power is more than 2.0, particle diameter is not less than the infrared reflecting paint of 1 μ m and the parts by weight of doped semiconductor, metallic cover cenosphere and metal-powder are 1 part ~ 30 parts; The present invention to the mass ratio of described specific refractory power is more than 2.0, particle diameter is not less than 1 μ m infrared reflecting paint and doped semiconductor, metallic cover cenosphere and metal-powder without limits, as long as specific refractory power is more than 2.0, particle diameter is not less than the infrared reflecting paint of 1 μ m and the gross weight umber of doped semiconductor, metallic cover cenosphere and metal-powder is 1 part ~ 30 parts.
The present invention detects the performance of the indoor heat insulating coating that obtains, and detailed process is as follows:
Adopt " GB/T9756-2009 synthetic paint resin emulsion interior wall coating " to detect to obtain the conventional physicalies such as outward appearance, application property and water tolerance of the inner wall heat-preservation coating that present embodiment obtains;
Employing " limits of harmful substances standard in the GB18582-2008 indoor decorating and refurnishing materials interior wall coating " is measured the harmful substance contents of the interior wall that present embodiment provides;
The indoor heat insulating coating sample that obtains is delivered to the test of China National Measuring Science Research Inst.'s mid and far infrared reflectivity that optics carries out, and testing apparatus is Albedometer;
Test result shows, room temperature thermal insulation coatings provided by the invention has qualified outward appearance and workability, water tolerance is excellent, the limits of harmful substances rank is excellent, and the mid and far infrared reflectivity can reach 30%, this explanation, inner wall heat-preservation coating provided by the invention can reflect the mid and far infrared of larger proportion, can improve the indoor heat insulating effect, thermal insulation coatings compared to existing technology, indoor heat insulating coating provided by the invention can improve 2 ℃ ~ 5 ℃ room temperature.
The present invention is used for heat insulating inner wall with the inner wall heat-preservation coating that provides, can adopt spraying or roller coat on inner wall surface, the number of plies of preferred coating is three layers, be respectively barrier layer that the coating that comprises the metallic cover microballon forms, comprise specific refractory power 2.0 or more, particle diameter is not less than the reflection barrier layer that the coating of the infrared reflecting paint of 1.0 μ m and/or metal-powder forms and emission layer is hanged down in the height reflection that forms the coating that comprises doped semiconductor; In the present invention, the thickness of described barrier layer is preferably 200 μ m ~ 300 μ m, more preferably 220 μ m ~ 280 μ m; The thickness of described reflection barrier layer is preferably 100 μ m ~ 150 μ m, more preferably 110 μ m ~ 140 μ m; The thickness of the low emission layer of described high reflection is preferably 3 μ m ~ 30 μ m, more preferably 10 μ m ~ 25 μ m.
The invention provides a kind of inner wall heat-preservation coating, comprise the component of following weight part: 5 parts ~ 45 parts water; 3 parts ~ 25 parts auxiliary agent; 3 parts ~ 55 parts mineral filler; 5 parts ~ 55 parts coating resin; 1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.In the present invention, described doped semiconductor can make the body of wall surface temperature raise so that metope has lower thermal radiation absorption and high heat storage coefficient; The body of wall temperature raises, and also increases room temp simultaneously, has greatly improved the hot comfort in room, thereby has improved indoor heat insulation effect; And because the metallic cover cenosphere has the structure of hollow, thermal conductivity is little, therefore in the inner wall heat-preservation coating that obtains without the convection current air, reduced the thermal conductivity of coating, significantly promote the obstructing capacity of heat insulation coating centering Far infra-red hot ray, improved further indoor heat insulation effect; Described metal-powder can be reflected back the mid and far infrared line thermal radiation of indoor exhausted vast scale indoor; And because continuity and the instantaneity of heat energy emission, the heat energy overwhelming majority of the inner wall heat-preservation coating Surface absorption that the present invention improves is returned again indoor by opticofacial winking reflex, thereby further improved indoor heat insulation effect, therefore, inner wall heat-preservation coating provided by the invention has higher heat insulation effect.Experimental result shows that the far reflectivity of inner wall heat-preservation coating centering provided by the invention can reach 35%, and can trap heat scatter and disappear can improve 2 ℃ ~ 5 ℃ room temperature.
In order to further specify the present invention, below in conjunction with embodiment inner wall heat-preservation coating provided by the invention is described in detail, but they can not be interpreted as restriction to protection domain of the present invention.
Embodiment 1
Be the TiO of 5 μ m with the 5g particle diameter
2Be made into slip in the adding 200mL distilled water, to wherein adding the 0.1g Sodium hexametaphosphate 99 and stirring, make TiO
2Fully disperse; Again with 1g Na
2CO
3Be dissolved in 85 ℃ ~ 90 ℃ the hot water with the 2.5g direct light turquoise GL, after the agitation as appropriate coloured pigment solution that obtains added in the above-mentioned slip, the pH of conditioned reaction liquid also keeps constant, carries out the painted 2.5h of constant temperature; With BaCl
2Be dissolved in 80 ℃ of hot water, join in the above-mentioned solution after painted, more successively to wherein adding respectively good OP emulsifying agent and the color fixing agent Y of dilute with water minutes for 5 times; After mixing 3h, wash successively, filter and drying, obtain the color infrared reflective paint.
Embodiment 2
By weight, 22 parts of water are added in the dosing vessel, to wherein adding 1 part of sodium polyphosphate, 2 parts of alcohol esters 12,1 part of silicone based defoamer, 1 part of propylene glycol and 1 part of ether of cellulose thickening material, be 1 μ m ordinary titanium powder to wherein adding 22 parts of particle diameters again after stirring, disperse the mixture that obtains with 100 rev/mins rotating speeds; Then scattered mixture is carried out super-refinement under the effect of high speed dispersor strong shear; The rutile titanium dioxide that is 6 μ m with 20 parts of particle diameters joins in the mixture of super-refinement, and is uniformly dispersed; And then to wherein adding 30 parts of acrylic ester emulsions, disperse to obtain base paint;
Add defoamer, flow agent, thickening material in the base paint that obtains, modulation reaches needed viscosity, obtains inner wall heat-preservation coating.
The present invention detects the performance of the coating that obtains, and detailed process is as follows:
Adopt " GB/T9756-2009 synthetic paint resin emulsion interior wall coating " to detect to obtain the conventional physicalies such as outward appearance, application property and water tolerance of the inner wall heat-preservation coating that present embodiment obtains;
Employing " limits of harmful substances standard in the GB18582-2008 indoor decorating and refurnishing materials interior wall coating " is measured the harmful substance contents of the interior wall that present embodiment provides;
The indoor heat insulating coating sample that obtains is delivered to the test of China National Measuring Science Research Inst.'s mid and far infrared reflectivity that optics carries out, and testing apparatus is Albedometer;
The present invention detects mid and far infrared reflectivity and the hemispherical emissivity obtain the inner wall heat-preservation coating that present embodiment provides, and the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is that it is the rutile titanium dioxide of 6 μ m that present embodiment adopts zinc oxide to replace the particle diameter among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 4
By weight, 15 parts of water are added in the dosing vessel, to wherein adding 2 parts of vinylformic acid sodium salts, 3 parts of alcohol esters 12,2 parts of mineral oil antifoam agents, 2 parts of propylene glycol and 2 parts of polyurethane thickeners, again to wherein adding 15 parts of talcum powder, disperse the mixture that obtains with 100 rev/mins rotating speeds after stirring; Then scattered mixture is carried out super-refinement under the effect of high speed dispersor strong shear; 25 parts of ATO powder are joined in the mixture of super-refinement, and be uniformly dispersed; And then to wherein adding 34 parts of acrylic ester emulsions, disperse to obtain base paint;
Add defoamer, flow agent, thickening material in the base paint that obtains, modulation reaches needed viscosity, obtains inner wall heat-preservation coating.
The present invention detects the performance of the coating that obtains, and detailed process is as follows:
Adopt " GB/T9756-2009 synthetic paint resin emulsion interior wall coating " to detect to obtain the physicalies such as outward appearance, application property and water tolerance of the inner wall heat-preservation coating that present embodiment obtains;
Employing " limits of harmful substances standard in the GB18582-2008 indoor decorating and refurnishing materials interior wall coating " is measured the harmful substance contents of the interior wall that present embodiment provides;
The indoor heat insulating coating sample that obtains is delivered to the test of China National Measuring Science Research Inst. optics carries out mid and far infrared reflectivity and hemispherical reflectance, and testing apparatus is Albedometer;
The present invention detects mid and far infrared reflectivity and the hemispherical emissivity obtain the inner wall heat-preservation coating that present embodiment provides, and the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 5
Adopt the technical scheme of embodiment 4 to prepare inner wall heat-preservation coating, different is that present embodiment adopts the ATO powder among the ITO powder replacement embodiment 4.
Adopt the detection method of embodiment 4 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 6
By weight, 25 parts of water are added in the dosing vessel, to wherein adding 1 part of polyphosphoric acid ammonium salt, 3 parts of alcohol esters 12,1 part of silicone based defoamer, 3 parts of propylene glycol and 1 part of Vltra tears, again to wherein adding 15 parts of fine particle calcium carbonates, disperse the mixture that obtains with 100 rev/mins rotating speeds after stirring; Then scattered mixture is carried out super-refinement under the effect of high speed dispersor strong shear; 20 parts of aluminium coating ceramic microballons are joined in the mixture of super-refinement, and be uniformly dispersed; And then to wherein adding 31 parts of acrylic ester emulsions, disperse to obtain base paint;
Add defoamer, flow agent, thickening material in the base paint that obtains, modulation reaches needed viscosity, obtains inner wall heat-preservation coating.
The present invention detects the performance of the coating that obtains, and detailed process is as follows:
Adopt " GB/T9756-2009 synthetic paint resin emulsion interior wall coating " to detect to obtain the physicalies such as outward appearance, application property and water tolerance of the inner wall heat-preservation coating that present embodiment obtains;
Employing " limits of harmful substances standard in the GB18582-2008 indoor decorating and refurnishing materials interior wall coating " is measured the harmful substance contents of the interior wall that present embodiment provides;
The indoor heat insulating coating sample that obtains is delivered to the test of China National Measuring Science Research Inst. optics carries out mid and far infrared reflectivity and hemispherical reflectance, and testing apparatus is Albedometer;
The present invention detects mid and far infrared reflectivity and the hemispherical emissivity obtain the inner wall heat-preservation coating that present embodiment provides, and the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 7
Adopt the technical scheme of embodiment 6 to prepare inner wall heat-preservation coating, different is that present embodiment adopts the aluminium coating ceramic microballon among the silver-colored coating ceramic microballon replacement embodiment 6.
Adopt the detection method of embodiment 6 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
By weight, 22 parts of water are added in the dosing vessel, to wherein adding 1 part of sodium polyphosphate, 2 parts of alcohol esters 12,1 part of silicone based defoamer, 1 part of propylene glycol and 1 part of ether of cellulose thickening material, be 1 μ m ordinary titanium powder to wherein adding 22 parts of particle diameters again after stirring, disperse the mixture that obtains with 100 rev/mins rotating speeds; Then scattered mixture is carried out super-refinement under the effect of high speed dispersor strong shear; 20 part of 300 purpose aluminium powder joined in the mixture of super-refinement, and be uniformly dispersed; And then to wherein adding 30 parts of acrylic ester emulsions, disperse to obtain base paint;
Add defoamer, flow agent, thickening material in the base paint that obtains, modulation reaches needed viscosity, obtains inner wall heat-preservation coating.
The present invention detects the performance of the coating that obtains, and detailed process is as follows:
Adopt " GB/T9756-2009 synthetic paint resin emulsion interior wall coating " to detect to obtain the physicalies such as outward appearance, application property and water tolerance of the inner wall heat-preservation coating that present embodiment obtains;
Employing " limits of harmful substances standard in the GB18582-2008 indoor decorating and refurnishing materials interior wall coating " is measured the harmful substance contents of the interior wall that present embodiment provides;
The indoor heat insulating coating sample that obtains is delivered to the test of China National Measuring Science Research Inst.'s mid and far infrared reflectivity that optics carries out, and testing apparatus is Albedometer;
The present invention detects mid and far infrared reflectivity and the hemispherical emissivity obtain the inner wall heat-preservation coating that present embodiment provides, and the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, the rutile titanium dioxide that it is 6 μ m that present embodiment adopts 12 parts of particle diameters and 8 parts of ATO powder replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, the rutile titanium dioxide that it is 6 μ m that present embodiment adopts 12 parts of particle diameters and 8 parts of aluminium coating ceramic microballons replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 11
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, present embodiment adopts 11 parts of ATO powder and 9 parts of aluminium coating ceramic microballons to replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 12
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, the rutile titanium dioxide that it is 6 μ m that present embodiment adopts 8 parts of particle diameters, 8 parts of ATO powder and 4 parts of aluminium coating ceramic microballons replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 13
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, present embodiment adopts 10 parts of zinc oxide, 7 parts of ITO powder and 3 parts of silver-colored coating ceramic microballons to replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 14
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, the rutile titanium dioxide that it is 6 μ m that present embodiment adopts 10 parts of particle diameters, 7 parts of ATO powder and 3 parts of aluminium coating ceramic microballons replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, present embodiment adopts 8 parts of zinc oxide, 8 parts of ITO powder and 4 parts of silver-colored coating ceramic microballons to replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 16
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, present embodiment adopts 15 parts of rate coating ceramic microballons and 5 part of 400 purpose aluminium powder to replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 17
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, the rutile titanium dioxide that it is 6 μ m that present embodiment adopts 5 parts of particle diameters, 5 parts of ATO powder, 5 parts of aluminium coating ceramic microballons and 5 part of 400 purpose aluminium powder replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Embodiment 18
Adopt the technical scheme of embodiment 2 to prepare inner wall heat-preservation coating, different is, present embodiment adopts 5 parts of zinc oxide, 5 parts of ITO powder, 5 parts of silver-colored coating ceramic microballons and 5 part of 600 purpose aluminium powder to replace 20 parts of rutile titanium dioxides that particle diameter is 6 μ m among the embodiment 2.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that present embodiment obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
Comparative example
By weight, 22 parts of water are added in the dosing vessel, to wherein adding 1 part of sodium polyphosphate, 2 parts of alcohol esters 12,1 part of silicone based defoamer, 1 part of propylene glycol and 1 part of ether of cellulose thickening material, be 1 μ m ordinary titanium powder to wherein adding 42 parts of particle diameters again after stirring, disperse the mixture that obtains with 100 rev/mins rotating speeds; Then scattered mixture is carried out super-refinement under the effect of high speed dispersor strong shear; And then to wherein adding 30 parts of acrylic ester emulsions, disperse to obtain base paint;
Add defoamer, flow agent, thickening material in the base paint that obtains, modulation reaches needed viscosity, obtains inner wall heat-preservation coating.
Adopt the detection method of embodiment 2 that the inner wall heat-preservation coating that this comparative example obtains is carried out Performance Detection, the result is as shown in table 1, the performance test results of the product that table 1 obtains for the embodiment of the invention 2 ~ 18 and comparative example.
The performance test results of the product that table 1 embodiment of the invention 2 ~ 18 and comparative example obtain
As can be seen from Table 1, inner wall heat-preservation coating provided by the invention has higher mid and far infrared reflectivity, the mid and far infrared thermal radiation of most indoor generation can be reflected back indoorly, and have lower hemispherical emissivity, thereby improved indoor heat insulation effect.The indoor heat insulating effect test has been carried out in invention, and the result shows that inner wall heat-preservation coating provided by the invention can improve 2 ℃ ~ 5 ℃ room temp.
As seen from the above embodiment, the invention provides a kind of inner wall heat-preservation coating, comprise the component of following weight part: 5 parts ~ 45 parts water; 3 parts ~ 25 parts auxiliary agent; 3 parts ~ 55 parts mineral filler; 5 parts ~ 55 parts coating resin; 1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.In the present invention, described doped semiconductor can make the body of wall surface temperature raise so that metope has lower thermal radiation absorption and high heat storage coefficient; The body of wall temperature raises, and also increases room temp simultaneously, has greatly improved the hot comfort in room, thereby has improved indoor heat insulation effect; And because the metallic cover cenosphere has the structure of hollow, thermal conductivity is little, therefore in the inner wall heat-preservation coating that obtains without the convection current air, reduced the thermal conductivity of coating, significantly promote the obstructing capacity of heat insulation coating centering Far infra-red hot ray, improved further indoor heat insulation effect; Described metal-powder can be reflected back the mid and far infrared line thermal radiation of indoor exhausted vast scale indoor; And because continuity and the instantaneity of heat energy emission, the heat energy overwhelming majority of the inner wall heat-preservation coating Surface absorption that the present invention improves is returned again indoor by opticofacial winking reflex, thereby further improved indoor heat insulation effect, therefore, inner wall heat-preservation coating provided by the invention has higher heat insulation effect.Experimental result shows that the far reflectivity of inner wall heat-preservation coating centering provided by the invention can reach 35%, and can trap heat scatter and disappear can improve 2 ℃ ~ 5 ℃ room temperature.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. inner wall heat-preservation coating comprises the component of following weight part:
5 parts ~ 45 parts water;
3 parts ~ 25 parts auxiliary agent;
3 parts ~ 55 parts mineral filler;
5 parts ~ 55 parts coating resin;
1 part ~ 30 parts doped semiconductor, metallic cover cenosphere and metal-powder.
2. inner wall heat-preservation coating according to claim 1 is characterized in that, described doped semiconductor is one or more in doped stannum oxide, the doping germanium oxide.
3. inner wall heat-preservation coating according to claim 1 is characterized in that, the metal in the described metallic cover cenosphere is one or more in manganese, nickel, zinc, cadmium, gallium, indium, molybdenum, tungsten, thallium, gold and silver, copper, iron and the aluminium.
4. inner wall heat-preservation coating according to claim 1 is characterized in that, the material of described metal-powder is one or more in gold and silver, copper, iron and the aluminium.
5. inner wall heat-preservation coating according to claim 1 is characterized in that, comprises 6 parts ~ 21 parts auxiliary agent.
6. according to claim 1 or the described inner wall heat-preservation coating of 5 any one, it is characterized in that described auxiliary agent comprises dispersion agent, film coalescence aid, defoamer, flow agent and thickening material.
7. inner wall heat-preservation coating according to claim 1 is characterized in that, comprises 8 parts ~ 48 parts mineral filler.
8. according to claim 1 or the described inner wall heat-preservation coating of 7 any one, it is characterized in that described mineral filler is one or more in titanium dioxide, talcum powder or the fine particle calcium carbonate.
9. inner wall heat-preservation coating according to claim 1 is characterized in that, comprises 20 parts ~ 35 parts coating resin.
10. according to claim 1 or the described inner wall heat-preservation coating of 9 any one, it is characterized in that described coating resin is one or more in ACRYLIC EMULSION, styrene acrylic coating resin and the silicon Class C coating resin.
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