CN1197660C - Heat insulation and heat reduction composite coating and manufacturing method and application thereof - Google Patents
Heat insulation and heat reduction composite coating and manufacturing method and application thereof Download PDFInfo
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- CN1197660C CN1197660C CN 02129049 CN02129049A CN1197660C CN 1197660 C CN1197660 C CN 1197660C CN 02129049 CN02129049 CN 02129049 CN 02129049 A CN02129049 A CN 02129049A CN 1197660 C CN1197660 C CN 1197660C
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- 235000019355 sepiolite Nutrition 0.000 claims description 9
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- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a heat insulation and heat reduction composite coating. The composite coating comprises a heat insulation layer adjacent to a substrate to be coated and a reflective heat reduction layer positioned on the heat insulation layer; the heat insulation layer comprises a film forming agent, single-layer or multi-layer arranged hollow microspheres dispersed in the film forming agent and poor heat conduction filler and/or stress reduction filler which are selected according to requirements; the reflective heat-reducing layer is selected from a specular reflecting layer or a diffuse reflecting layer and comprises a film forming agent, an anti-aging agent and an antistatic agent which are uniformly dispersed in the film forming agent and reflective pigments distributed on the surface of the film forming agent; the hollow micro-beads are selected from glass micro-beads, plastic micro-beads or fly ash micro-beads. The invention aims to solve the technical problem of providing a heat-insulating and heat-reducing composite coating which can insulate heat, reflect light and reduce heat and has a thin coating thickness aiming at the defects that the sheet surface in the prior art focuses on reducing heat conduction and has poor measures for preventing heat radiation. The invention can be applied to the outer wall and/or the inner wall of a building or a large-scale oil storage tank.
Description
Technical field
The present invention relates to a kind of Themally insulating and reducing composite paint.Particularly, the present invention relates to a kind ofly make the Themally insulating and reducing composite paint that heat-barrier material and reflective pigment are made reflectorized material with cenosphere.The invention still further relates to the preparation method and the application of this Themally insulating and reducing composite paint.
Background technology
The coating that many use cenospheres are arranged in the prior art, among CN 1032665 A a kind of roofing felt that is used to wear out is disclosed for example, the regenerating, heat insulation, and waterproof coating material that bituminous water-proof coating is repaired, this coating is made up of regeneration water-repellent paint and heat-insulating waterproof coating, the softening agent that the water-repellent paint of wherein regenerating contains is scattering and permeating in aging watertight composition, make aging watertight composition Peng Run softening and regenerate, and contain the pigment of hollow glass micropearl and high index of refraction in the heat-insulating waterproof coating, this coating can reflect away the sunshine that is radiated on the watertight composition, reduced the temperature of roof waterproof layer, the water weight portion of having avoided being penetrated into the watertight composition bottom vaporize in a large number produce play drum and the excessive crack that causes of thermal stress variation, simultaneously because the reduction of roofing temperature has improved indoor thermal environment.Used hollow glass micropearl and high index of refraction pigment are only made reflectorized material in this patent application.Though employed hollow glass micropearl and high index of refraction pigment can reflect away a part of daylight, but can make most of day light transmission insulating water-proof coating, shine regeneration water-repellent paint layer, cause a large amount of heat absorption of this layer, not only do not reach heat insulation purpose, and, can cause the pitch accelerated ageing on the contrary owing to increased the light contact area.
In addition, also put down in writing a kind of silicon magnesium aluminium composite thermo-insulating coating that is applied to insulation usefulness on pipeline and the equipment among the CN 1103090.This patent application also makes coating form closed porosity fibrous web-like composite construction except doing the heat-barrier material with cenosphere.Under the thicker situation of coating, this coating can prevent effectively that ducted heat from distributing to the external world.Yet for some application scenario, thick coating can increase the load such as the kind equipment of large-scale oil storage tank, so this coating just can not be satisfied the demand.
Disclose the high temperature resistant adiabatic coating of a kind of light weight asbestos-free among CN 1115324 A, wherein done outside the heat-barrier material divided by a small amount of hollow glass micropearl, also made heat-barrier material with sepiolite cashmere, expanded perlite, this coating also belongs to thick thermal insulation layer.
In addition, a kind of dry-powder insulating mold coating is disclosed among CN 1124756 A, by weight percentage, this coating contains: 20～37.50% perlites, 10.50～25% asbestos wools, 1～8.30% high-temperature resistance adhesive, 1～12.50% sepiolite, 1.25～4.20% glass microballoons, 10.50～18.75% alumina silicate, 3.50～8.30% diatomite, 2～8.30% penetrant ts, 4.20～10.50% float pearl, 3.50～4.50% polyvinyl formal solution.In this patent application, do outside the heat-barrier material, also make heat-barrier material with perlite, asbestos wool, sepiolite and diatomite divided by a small amount of hollow glass micropearl; Disclose a kind of fireproof insulating mold coating among the CN95111236, wherein done outside the heat-barrier material, also with asbestos fibre, sepiolite fibre, alumina silicate fibre, silicate microballon, expanded perlite and bentonite divided by a small amount of hollow glass micropearl; Above patent application is not all considered from the light reflection angle.Disclose a kind of white waterproof heat insulating elastic paint among CN 1250073 A and CN 1250071 A, wherein done outside the heat-barrier material, also reduced heat absorption with Chinese white, filler divided by hollow glass micropearl.But, reducing heat absorption by Chinese white and/or filler merely, still can not meet the demands.The light reflecting effect of above-mentioned coating superficial layer is also not ideal enough simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to reduce the heat conduction at unilateral emphasis in the above-mentioned prior art, and heat radiation is prevented from the defective of taking effective measures to provide a kind of and can resist the Themally insulating and reducing composite paint that radiant heat can completely cut off conduction heat again.
In addition, the present invention provides the preparation method of this Themally insulating and reducing composite paint also according to the ad hoc structure of above-mentioned Themally insulating and reducing composite paint.
Moreover, the ad hoc structure of coating and good insulative properties according to the present invention.The present invention also provides the application of coating of the present invention.
The foregoing invention purpose is achieved by Themally insulating and reducing composite paint provided by the invention.
Themally insulating and reducing composite paint of the present invention comprises one deck and the thermal insulation layer and the heat reflecting layer that is positioned on the thermal insulation layer of waiting to be coated with the matrix adjacency; Described thermal insulation layer comprises film forming agent, dilution material, be scattered in the cenosphere that the single or multiple lift in the film forming agent arranges and optionally select the bad heat filling of usefulness and/or subtract the stress filler; Described heat reflecting layer is selected from mirror reflective layer or diffusion reflector layer, comprising film forming agent, be dispersed in age resister, antistatic additive and spreading in the film forming agent in the lip-deep reflective pigment of film forming agent; Described cenosphere is selected from glass microballoon, plastics microballon or fly ash micro-sphere, and the film forming agent of reflector layer is selected from polyacrylate dispersion, alkyd resins.
Film forming agent is selected from SBR emulsion, vinyl acetate-butyl acrylate copolymer, Heveatex, waterglass, alkyd resins, polyvinyl acetate emulsion, styrene-acrylate emulsion, acrylic pressure sensitive emulsion etc. in the described thermal insulation layer.The ratio of film forming agent and cenosphere is 25: 1～8: 1, is preferably 20: 1～12.5: 1.
Bad heat filling in the described thermal insulation layer is selected from precipitated calcium carbonate, potter's clay, titanium dioxide, zinc oxide, hydrophobe, rock wool, expanded perlite, expanded vermiculite, attapulgite fiber, sepiolite cashmere, bentonite, siliceous fiber, alumina silicate fibre, talcum or its mixture.
Cenosphere in the described thermal insulation layer is selected from hollow glass bead, plastic hollow microballon, coal fly ash hollow micro bead or Black Warrior stone cenosphere, its granularity 30～120 μ m.
Described antioxidant is selected from antioxidant 2246 (2,2 '-methine two (4-methyl-6-tert butyl phenol)), antioxidant 264 (2, the 6-toluene di-tert-butyl phenol), styrene benzene, antioxidant H (N, N '-diphenyl-para-phenylene diamine), anti-aging agent RD (2,2,4-trimethyl 1,2-dihyaroquinoline polymer) etc.
According to the present invention, the film forming agent in the preferably described reduction of heat layer is selected from styrene-acrylate emulsion, alkyd resins, polyvinyl acetate emulsion, Heveatex or waterglass.
According to the present invention, preferred reduction of heat layer reflective pigment is selected from the hollow or solid microbeads of pearl essence, sheet or granulated metal micro mist and surface metalation.
According to the present invention, preferred reduction of heat layer reflective pigment is selected from pearl essence, sheet or granular aluminum powder.
Themally insulating and reducing composite paint of the present invention also preferably includes one deck priming coat, and this priming coat is that watertight composition is between being coated with between matrix and the described thermal insulation layer.The preferred waterproof emulsified asphalt of this priming coat.
The present invention also provides a kind of preparation method of above-mentioned Themally insulating and reducing composite paint, and this method comprises,
(1) waiting to be coated with on the matrix to be selected from spraying, brushing, blade coating, roller coat and silk screen one or more coating methods in being coated with, apply a kind of coating, contain film forming agent in this coating, be selected from precipitated calcium carbonate, the bad heat filling of potter's clay, titanium dioxide, zinc oxide, hydrophobe, rock wool, expanded perlite, expanded vermiculite, attapulgite fiber, sepiolite cashmere, bentonite, siliceous fiber, alumina silicate fibre or its mixture, and dilution material;
(2a) on uncured coating surface, with the even spreading cenosphere of mode that sprays, spreads, and cenosphere is mounted in the coating, cenosphere monolayer alignment or multilayer are arranged, to form thermal insulation layer; Perhaps
(2b) cenosphere is directly evenly sneaked in the described coating of step (1), on matrix surface to be coated, apply this coating that comprises cenosphere, to form thermal insulation layer; Perhaps
(2c) behind the described coating of coating step (1), the two-sided two-sided tape that has adhered to cenosphere is sticked on this coating, to form thermal insulation layer;
(3) treat that thermal insulation layer solidifies or solidify fully after, on thermal insulation layer to be selected from spraying, brushing, blade coating, roller coat and silk screen one or more coating methods in being coated with, apply a coating, this coating comprises film forming agent, filler, be dispersed in age resister, antistatic additive and spreading in the film forming agent in the lip-deep reflective pigment of film forming agent, described reflective pigment is selected from the hollow or solid microbeads of pearl essence, sheet or granulated metal micro mist and surface metalation, to form reflector layer.
Themally insulating and reducing composite paint of the present invention can be used for permanent or temporary structure exterior wall and/or interior wall.
Themally insulating and reducing composite paint of the present invention also can be used for various motor vehicles or large-scale oil storage tank.
Therefore the described Themally insulating and reducing composite paint that also provides of the present invention is in the application of above-mentioned various aspects.
Coating of the present invention contains cenosphere and heat reflecting layer owing on the structure, so coating layer thickness generally can produce good heat insulation reduction of heat effect in 1～4 millimeter scope.
Description of drawings
Fig. 1: the schematic diagram of a kind of structure of Themally insulating and reducing composite paint, wherein mark 1 is represented matrix to be coated with, and mark 2a represents to contain the thermal insulation layer of materials such as film forming agent, cenosphere, filler, and mark 3 expressions contain the reduction of heat layer of reflective material.The hollow core of thermal insulation layer shown in figure microballon is the situation of monolayer alignment.
Fig. 2: heat insulation reduction of heat coating structure schematic diagram, wherein mark 1 is represented matrix to be coated with, mark 2a represents to contain the thermal insulation layer of materials such as film forming agent, filler, mark 2b represents the two-sided tape of two-sided adhesion hollow glass micropearl, 2a and 2b constitute thermal insulation layer, and mark 3 expressions contain the reduction of heat layer of reflective material.The hollow core of thermal insulation layer shown in figure microballon is the situation of dual layer arrangement.
Fig. 3: the test storehouse schematic diagram that evaluation coating heat-insulating cooling effect is used.T1 and T2 are two inside and outside temperature survey points of roof among the figure.
The specific embodiment
Further illustrate the present invention below with reference to some embodiment, these embodiment are not used for limiting protection scope of the present invention.
For the purpose of the effect of heat insulation of evaluation Themally insulating and reducing composite paint of the present invention and existing coating, be 6.5 * 6 * 5m at height, length and width
3Storehouse roof lateral surface apply each embodiment and the made coating (referring to accompanying drawing 3) of Comparative Examples respectively, the roof of this storehouse is a cement pre-fabricated panel, body of wall is two brick structures, exposes more than 2 hours down for about 37 ℃ in ambient temperature, measures the inside and outside surface temperature in roof.Measurement data is listed in table 1.
Embodiment 1
15 parts of styrene-acrylate emulsion 100 weight portions, talcum powder, precipitated calcium carbonate 10 weight portions, hollow glass bead 5 weight portions, titanium dioxide 5 weight portions, dibutyl hydroxy toluene 3 weight portions, ethylene glycol 1 weight portion and waterglass 10 weight portions of about 45% (weight) of solid content are stirred, be applied on the matrix, form thermal insulation layer.With alkyd resins 100 weight portions, 120
#Industrial naptha 20 weight portions and aluminum paste 10 weight portions are sprayed on the thermal insulation layer after being in harmonious proportion evenly, form heat reflecting layer, treat two-layer all solidify after, promptly form Themally insulating and reducing composite paint of the present invention.
Embodiment 2
With 8 parts of styrene-acrylate emulsion 100 weight portions, precipitated calcium carbonate 10 weight portions, sodium bentonite 2 weight portions, the coal fly ash hollow micro beads of about 45% (weight) of solid content, 2, the 6-di-t-butyl to phenol 1 weight portion, 5 parts of waterglass, stir.Be painted on matrix surface, form thermal insulation layer.After 8 parts of the polyacrylic acid sodium water solutions of 30 parts of polyacrylate dispersion 100 weight portions, the mica powders of solid content about 50% (weight), hollow glass bead 15 weight portions, 5 parts of talcum powder, 8 parts of propane diols, about 15% (weight) of concentration are stirred, be sprayed on the thermal insulation layer surface of having solidified, form heat reflecting layer.
Embodiment 3
Acrylic pressure sensitive latex solution 100 weight portions, sodium bentonite 2 weight portions, titanium dioxide 5 weight portions, BHT 1 weight portion and ethylene glycol 1 weight portion of about 40% (weight) of solid content are evenly reconciled into pressure-sensitive latex, be sprayed on the matrix of surface preparation, form pressure-sensitive adhesive layer, spray cenosphere 7 weight portions then, to form the cenosphere thermal insulation layer that multilayer is arranged; Then apply the heat reflecting layer described in the embodiment 1.
Embodiment 4
Earlier the pressure-sensitive latex described in the embodiment 3 is sprayed on the pretreated matrix surface, the two-sided tape with two-sided adhesion hollow glass micropearl sticks on the aforesaid pressure-sensitive latex again, to form the cenosphere thermal insulation layer that multilayer is arranged.Then, the heat reflecting layer coating in the example 2 is sprayed on the cenosphere thermal insulation layer surface of multilayer arrangement.
Comparative Examples
After styrene-acrylate emulsion 100 weight portions of about 45% (weight) of solid content, cenosphere 5 weight portions, titanium dioxide 30 weight portions, bentonite 20 weight portions, 2-amino-2-methyl-1-propanol 1 weight portion, ammoniacal liquor 1 weight portion, defoamer Foamaster 306 (German Henkel company produce) 1 weight portion mixed, be applied to through on the pretreated matrix surface.
The effect of heat insulation of table 1 Themally insulating and reducing composite paint of the present invention and existing coating relatively
| Example | Observed temperature, ℃ | |
| Measurement point T 1(outside the roof) | Measurement point T 2(in the roof) | |
| Embodiment 1 | 52 | 45 |
| Embodiment 2 | 50 | 43 |
| Embodiment 3 | 47 | 41 |
| Embodiment 4 | 43 | 38 |
| Comparative Examples | 60 | 53 |
By table 1 as seen, the Comparative Examples coating of no-reflection reduction of heat layer, temperature is the highest outside its roof, thereby temperature is also the highest in the roof, and by comparison, temperature reduces by 8～17 ℃ outside the roof of each Themally insulating and reducing composite paint of the present invention, temperature reduces by 8～15 ℃ in the roof, so effect is remarkable.
Claims (11)
1. a Themally insulating and reducing composite paint is characterized in that, described Themally insulating and reducing composite paint comprises one deck and the thermal insulation layer and the heat reflecting layer that is positioned on the thermal insulation layer of waiting to be coated with the matrix adjacency; Described thermal insulation layer comprises film forming agent, dilution material, be scattered in the cenosphere that the single or multiple lift in the film forming agent arranges and optionally select the bad heat filling of usefulness and/or subtract the stress filler; Described heat reflecting layer is selected from mirror reflective layer or diffusion reflector layer, comprising film forming agent, filler, be dispersed in age resister, antistatic additive and spreading in the film forming agent in the lip-deep reflective pigment of film forming agent; Described cenosphere is selected from glass microballoon, plastics microballon, fly ash micro-sphere or Black Warrior stone microballon, and the film forming agent in the described thermal insulation layer is selected from SBR emulsion, vinyl acetate-butyl acrylate copolymer, Heveatex, waterglass, alkyd resins, polyvinyl acetate emulsion; Film forming agent in the described reduction of heat layer is selected from styrene-acrylate emulsion, alkyd resins, polyvinyl acetate emulsion, Heveatex or waterglass.
2. the described Themally insulating and reducing composite paint of claim 1 is characterized in that, the film forming agent in the described thermal insulation layer and the ratio of cenosphere are 25: 1～8: 1.
3. claim 1 or 2 described Themally insulating and reducing composite paints is characterized in that, the ratio of described film forming agent and cenosphere is 20: 1～12.5: 1.
4. claim 1 or 2 described Themally insulating and reducing composite paints, it is characterized in that the bad heat filling in the described thermal insulation layer is selected from precipitated calcium carbonate, potter's clay, titanium dioxide, zinc oxide, hydrophobe, rock wool, expanded perlite, expanded vermiculite, attapulgite fiber, sepiolite cashmere, bentonite, siliceous fiber, alumina silicate fibre or its mixture.
5. the described Themally insulating and reducing composite paint of claim 3, it is characterized in that the bad heat filling in the described thermal insulation layer is selected from precipitated calcium carbonate, potter's clay, titanium dioxide, zinc oxide, hydrophobe, rock wool, expanded perlite, expanded vermiculite, attapulgite fiber, sepiolite cashmere, bentonite, siliceous fiber, alumina silicate fibre or its mixture.
6. claim 1 or 2 described Themally insulating and reducing composite paints is characterized in that, the granularity of described thermal insulation layer hollow core microballon is 30～120 μ m.
7. any one described Themally insulating and reducing composite paint in the claim 1 to 2 is characterized in that, the reflective pigment in the described reduction of heat layer is selected from the hollow or solid microbeads of pearl essence, sheet or granulated metal micro mist and surface metalation.
8. claim 1 or 2 described Themally insulating and reducing composite paints is characterized in that, this composite coating comprises that also one deck is between being coated with between matrix and the described thermal insulation layer, being selected from the priming coat of waterproof emulsified asphalt.
9. the preparation method of any one described Themally insulating and reducing composite paint in the claim 1 to 7 is characterized in that, this method comprises,
(1) waiting to be coated with on the matrix to be selected from spraying, brushing, blade coating, roller coat and silk screen one or more coating methods in being coated with, apply a kind of coating, contain film forming agent in this coating, be selected from precipitated calcium carbonate, the bad heat filling of potter's clay, titanium dioxide, zinc oxide, hydrophobe, rock wool, expanded perlite, expanded vermiculite, attapulgite fiber, sepiolite cashmere, bentonite, siliceous fiber, alumina silicate fibre or its mixture, and dilution material;
(2a) on uncured coating surface, with the even spreading cenosphere of mode that sprays, spreads, and cenosphere is mounted in the coating, cenosphere monolayer alignment or multilayer are arranged. to form thermal insulation layer; Perhaps
(2b) cenosphere is directly evenly sneaked in the described coating of step (1), on matrix surface to be coated, apply this coating that comprises cenosphere, to form thermal insulation layer; Perhaps
(2c) behind the described coating of coating step (1), the two-sided two-sided tape that has adhered to cenosphere is sticked on this coating, to form thermal insulation layer;
(3) treat that thermal insulation layer solidifies or solidify fully after, on thermal insulation layer to be selected from spraying, brushing, blade coating, roller coat and silk screen one or more coating methods in being coated with, apply a coating, this coating comprises film forming agent, filler, be dispersed in age resister, antistatic additive and spreading in the film forming agent in the lip-deep reflective pigment of film forming agent, described reflective pigment is selected from the hollow or solid microbeads of pearl essence, sheet or granulated metal micro mist and surface metalation, to form reflector layer.
10. the application of any one described Themally insulating and reducing composite paint on permanent or temporary structure interior wall and/or exterior wall in the claim 1 to 8.
11. any one described Themally insulating and reducing composite paint is in various motor vehicles or the application on last large-scale oil storage tank in the claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129049 CN1197660C (en) | 2002-08-29 | 2002-08-29 | Heat insulation and heat reduction composite coating and manufacturing method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129049 CN1197660C (en) | 2002-08-29 | 2002-08-29 | Heat insulation and heat reduction composite coating and manufacturing method and application thereof |
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| CN1396219A CN1396219A (en) | 2003-02-12 |
| CN1197660C true CN1197660C (en) | 2005-04-20 |
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| CN 02129049 Expired - Fee Related CN1197660C (en) | 2002-08-29 | 2002-08-29 | Heat insulation and heat reduction composite coating and manufacturing method and application thereof |
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