CN102660156A - Yellow reflective heat insulation pigment and paint, and method for preparing yellow reflective heat insulation pigment and paint - Google Patents
Yellow reflective heat insulation pigment and paint, and method for preparing yellow reflective heat insulation pigment and paint Download PDFInfo
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- CN102660156A CN102660156A CN2012100298280A CN201210029828A CN102660156A CN 102660156 A CN102660156 A CN 102660156A CN 2012100298280 A CN2012100298280 A CN 2012100298280A CN 201210029828 A CN201210029828 A CN 201210029828A CN 102660156 A CN102660156 A CN 102660156A
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Abstract
The invention relates to a yellow reflective heat insulation pigment and paint, and a method for preparing the yellow reflective heat insulation pigment and paint. The method of the invention comprises coating an inorganic sheet substrate with a nanometer oxide reflective heat insulation material, and then coating the inorganic sheet substrate with an iron oxide yellow pigmented layer. A yellow reflective heat insulation pigment particle comprises five planar structure layers: an iron oxide yellow film, an inorganic oxide reflective film, an inorganic sheet-shape transparent substrate, an inorganic oxide reflective film, and an iron oxide yellow film. The yellow reflective heat insulation pigment maintains the heat insulation effect of the original reflective heat insulation material, and has pigmentability of yellow pigment at the same time. The paint film prepared from the yellow reflective heat insulation pigment comprises seven planar structure layers: a transparent polymer film, the iron oxide yellow film, the inorganic oxide reflective film, the inorganic sheet-shape transparent substrate, the inorganic oxide reflective film, the iron oxide yellow film, and a transparent polymer film. Compared with the paint with yellow pigment added, the paint of the invention has a significantly improved reflective heat insulation effect.
Description
Technical field
The present invention relates to yellow reflective insulation pigment and coating and preparation method thereof.
Background technology
The thermal isolation film that reflective heat-insulation paint forms has solar radiation invisible heat high-reflectivity, thermal isolation film has high far infrared transmissivity again simultaneously.Reflective insulation film this high-reflectivity and high emissivity can realize isolated 90% above solar radiant energy, and effectively isolated sun heat radiation reduces room temp, saving refrigeration air-conditioner power consumption.Reflective heat-insulation paint is the building energy conservation novel material, has been applied to actual building energy conservation engineering now.
Trade sales coating is made up of polymer film forming material, heat insulating function material, filler, auxiliary agent.Wherein, heat insulating function material, filler are spherical particles of inorganic material, the existence of these PM for particulate matters, the heat reflection effect that influence is filmed.ZL200710035834.6 influences the invention of reverberation ray in order to improve powder particle in the coating.The method that ZL200710035834.6 adopts is: on laminar transparent inorganic base material, coat the inorganic oxide high to the invisible heat reflectivity, be prepared into the heat reflection functional materials.As at mica substrate surface cladding titanium dioxide.This heat reflection functional materials structure is: heat reflection functional materials layer-sheet transparent inorganic base material-heat reflection functional materials layer three-decker.When preparing the reflective heat-insulation paint film forming by this type heat reflection functional materials, polymer is coated on flaky heat reflection functional materials surface and forms transparent polymeric film.Such reflective insulation membrane structure of filming is: transparent polymeric film-heat reflection functional materials layer-sheet transparent inorganic base material-heat reflection functional materials layer-transparent polymeric film is the composite structure that five layer plane structures are formed.The coating of the platy particle preparation of this type five-layer structure is under the operation pressure effect, and particle is arranged along the parallel direction of coated surface.When solar heat radiation exposure during to the coated article surface; Invisible heat produces multiple reflection and refraction at each layer body structure surface of this type particle; Improved the reflectivity of paint film, reduced invisible heat and got into coated article body inside, therefore increased the effect of heat insulation of reflective heat-insulation paint invisible heat.
Existing reflective heat-insulation paint all is white, the most of right and wrong white of the top coating of actual construction wall.All be to adopt the painted back of reflective heat-insulation paint is used during practical application.Wherein the external wall with the yellow oxide of iron colour system is a primitive colour, is aided with the color requirement that other colour systems satisfy external wall again.These pigment particles are the same with functional materials and filler grain in the coating, all are form of spherical particles.These pigment particles play irreflexive effect to invisible heat, have reduced the reflectivity that reflective insulation is filmed, and finally influence the effect of heat insulation of reflective heat-insulation paint.
Summary of the invention
The purpose of this invention is to provide a kind of reflectivity that increases invisible heat, realize yellow reflective insulation pigment and coating of high effect of heat insulation and preparation method thereof.
Yellow reflective heat-insulation paint of the present invention is to adopt to add the yellow heat insulation pigment of the present invention, solves common yellow thermal insulating coating and adds the problem that the yellow ultramarine particle influences effect of heat insulation.Yellow ultramarine structure of the present invention is: the small plane particle of yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-this five-layer structure of yellow oxide of iron film.This structured particles adopts chemical process to coat on particle base material basis, small plane and forms.
Yellow reflective heat-insulation paint of the present invention adopts yellow ultramarine of the present invention and macromolecule emulsion and filler, auxiliary agent to form.The paint film that this coating forms is arranged in parallel by polymeric membrane-yellow oxide of iron film-inorganic oxide reflectance coating-this small multilayer planar structure particle of inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film-polymeric membrane.Because yellow coating layer of the present invention is outer at the inorganic oxide of planar substrate, inorganic oxide plays the effect of nucleus nucleator in deposition coated iron oxide process; Make the red stone deposition simultaneously evenly.Refraction and reflection take place in each bed interface of this structural paint film in light and invisible heat, have increased the reflectivity to invisible heat, realize high effect of heat insulation.
A kind of yellow reflective insulation pigment and coating and preparation method thereof is characterized in that on the basis of clad nano oxide compound reflective insulation layer on the inorganic sheet base material, coated iron oxide yellow coloring layer again;
Yellow reflective insulation pigment particles is made up of five layer plane structures: yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film;
Paint film structure by the yellow reflective insulation pigment prepared of five above-mentioned layer plane structures is seven layer plane structures: transparent polymeric film-yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film-transparent polymeric film.
Yellow reflective insulation pigment particles is the five-layer structure coating particles, constitutes yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film; Three types of quality of materials ratios forming yellow reflective insulation pigment are: inorganic sheet transparent substrate: inorganic oxide reflectance coating: yellow oxide of iron film=1: 0.05-0.5: 0.01-0.7.
Described inorganic sheet transparent substrate is sheet mica, sericite sheet, glass flake or iron mica.
Described inorganic oxide reflectance coating is to be coated on the inorganic sheet transparent substrate by inorganic oxide to form, and inorganic oxide is that pair oxide compound of invisible heat reflecting effect is arranged, as: titanium oxide, weisspiessglanz or tindioxide.
Described yellow oxide of iron film is yellow oxide of iron to be coated on the film that forms on inorganic sheet transparent substrate, the inorganic oxide reflectance coating by chemical deposition.
Described yellow oxide of iron film is to generate with the iron trichloride hydrolysis; The condition of iron trichloride hydrolysis is: the concentration of iron trichloride is 0.1-2mol/l, and optimum concn is 0.5-1mol/l; Temperature of reaction is a room temperature; Reaction times is 0.5-5 hour, and optimum reacting time is 1-3 hour; The pH=4-10 of hydrolysis reaction.
The preparation technology of described yellow oxide of iron film adopts method for hydrolysis, and technological process is:
(1) with the reflective insulation dispersion of materials in the claim 3 and 4 in the deionized water of 3-5 times of quality, regulate pH=4 with hydrochloric acid;
(2) stir the liquor ferri trichloridi that dripped preparation down at 1-3 hour, dropping sodium solution is kept pH=4-5 simultaneously;
(3) drip liquor ferri trichloridi after, continue reaction 0.5-1 hour, regulate pH=8-10 then, continue reaction 1 hour, hydrolysis reaction left standstill 1 hour after finishing again;
(4) be yellow reflective insulation pigment after filtration, washing leaching cake, the drying, preparation reflective insulation pigment after filter cake also can directly be pulled an oar.
The coating quality of described yellow oxide of iron is the 0.01-0.7 of inorganic sheet transparent substrate; Along with the increase of yellow oxide of iron coating quality, color is changed by white-beige-light yellow-deep yellow; The amount of the definite yellow oxide of iron that coats of cladding process yellow color is as required confirmed.
The paint film structure of described coating is seven layer plane structures: transparent polymeric film-yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film-transparent polymeric film, yellow oxide of iron film wherein is by method preparation in claims 6,7 and 8.
Described reflective heat-insulation paint is the working method preparation according to the reflective heat-insulation paint of routine; Formulation for coating material is that emulsion resin, coatings additive(s), the yellow reflective insulation pigment of good weatherability is formed.
Content of the present invention comprises two portions: the preparation of yellow reflective insulation material and the preparation of yellow reflective heat-insulation paint.
1. yellow reflective insulation material preparation method is following:
[1] the reflective insulation material of the two dimensional structure of employing coating.The reflective insulation material such as the ZL200710035834.6 of the two dimensional structure of this type coating are described.
The surface of the reflective insulation material of the two dimensional structure that [2] coats at last bar [1] coats the iron oxide layer pigmented layer of yellow again.The red stone pigmented layer adopts the preparation of liquor ferri trichloridi hydrolysis method.
[3] the liquor ferri trichloridi hydrolysis method prepares the process method of yellow oxide of iron and is:
The reflective insulation dispersion of materials of the two dimensional structure of the coating that (1) will choose is regulated pH=4 with hydrochloric acid again in the deionized water of 2-5 times of mass parts.
(2) be the liquor ferri trichloridi of 0.1-2mol/l with ferric chloride (FeCl36H2O) solid compound concentration; Drips of solution with preparation under the room temperature is added in the dispersion liquid of (1); Stir the liquor ferri trichloridi that dripped preparation down at 1-5 hour, dropping sodium solution is kept pH=4-5 simultaneously.The size of rate of addition and the iron oxide particles of generation is relevant with the surface appearance of coating layer.Rate of addition is fast, and the particle of the red stone of coating is thicker, and the surface luster of coating is darker.Generally be the dropping time be 3 hours for well.The pH influence of hydrolytic process is bigger, and pH is high, and hydrolysis rate is fast, and the hydrolysis particle particle of generation is thicker, and surface luster is darker.With pH=4-5, hydrolysis rate is moderate during hydrolysis, and the coating particles quality of preparation is better.Hydrolysis temperature is in room temperature and abovely all can effectively make the liquor ferri trichloridi hydrolysis, and temperature is high more, and hydrolysis rate is fast more.Consider from save energy, save the energy most with the room temperature hydrolysis process.At room temperature, as long as regulate, can obtain moderate hydrolysis rate equally from the aspects such as pH of the concentration of iron trichloride, dropping time, reaction system.
(3) drip liquor ferri trichloridi 0.5-1 hour after, regulate pH=8-10, continue reaction 1 hour, left standstill again 1 hour.Regulating pH=8-10 is in order to make the iron trichloride hydrolysis complete, to reduce iron ion content in the filtrating.
(4) filtration, washing leaching cake, dry cake are the yellow reflective insulation pigment of this patent.Drying temperature is at 110-120 ℃.Preparation reflective insulation pigment after filter cake can directly be pulled an oar, facility investment, man-hour and the energy consumption of saving filtration cakes torrefaction like this.
2. yellow reflective heat-insulation paint preparation method is following:
Yellow reflective heat-insulation paint of the present invention adopts yellow ultramarine of the present invention and macromolecule emulsion and filler, auxiliary agent to form.Yellow reflective heat-insulation paint preparation method of the present invention is identical as the preparation method of common reflective heat-insulation paint.
[1] in the whisking appliance that coating material production is used, adds water, the auxiliary agent (dispersion agent, neutralizing agent, wetting agent, skimmer, Antisepticize and mildew preventive, frostproofer) that measures, stir.
[2] the yellow reflective insulation material of adding this patent stirs.If what add is the reflective insulation material of dried yellow, this needs middling speed to stir 20-30 minute; If what add is yellow reflective insulation material filter cake, then only need stirring at low speed 20 minutes.
[3] stir the polymer emulsion that adds metering down.Add other auxiliary agents (thickening material, flow agent, skimmer etc.) again, regulate the execution of coating performance.
[4] filter, pack.
3. yellow reflective insulation material and preparation method for coating characteristics.
Characteristics of the present invention are on the flaky material that is coated with inorganic oxide reflective insulation material, again the coated iron oxide yellow pigment.The present invention has following advantage:
[1] pigment particles of preparation is deposited on the substrate of flaky reflective insulation material uniformly, and in the reflective heat-insulation paint by this platy particle preparation, the granular pigment particles of free is few, helps reflective insulation and films to the raising of invisible heat reflectivity.According to this patent method, control the amount of the red stone that coats, can prepare the reflective insulation material of serial yellow.
[2] be the enterprising row in oxide compound basis owing to coating, when coated iron oxide pigment, must prepare the operation of crystal seed when not needing conventional ferric oxide yellow pigment to prepare earlier, help having reduced the production cost of ferric oxide yellow pigment like this having coated.
[3] the iron trichloride hydrolyzing process at room temperature carries out, energy-conservation in helping producing.
[4] the reflective insulation material of the yellow of preparation need just can directly not be used for reflective heat-insulation paint production through super-dry, helps reducing drying plant investment, man-hour and energy consumption for drying.
When coating application, the heat insulation plane particle of coating is parallel to the coating coated side and arranges.This arrangement mode of the two dimensional structure particle in filming; Help invisible heat multiple reflection and refraction take place on this seven layer planes structural interface; Reduced and added the diffuse-reflectance of spheroidal particle in the conventional coating, increased the barriering effect of paint film invisible heat to invisible heat.With the coating contrast of adding yellow ultramarine, coating reflective insulation effect of the present invention obviously improves.
Embodiment
[1] yellow reflective insulation material prepn
(1) will select particle diameter is 800 purpose white mica powders, and with titanyl sulfate solution hydrolysis method cladding titanium dioxide, the coated by titanium dioxide quality is 15% of a mica amount.Cladding process carries out according to the method for ZL200710035834.6: hydrolysis, filtration, washing, drying, calcining.The solid sample of preparation is done the coated iron oxide yellow pigment and is used.
Take by weighing (1) sample, be scattered in 5 times the deionized water subsequent use.
(2) be the liquor ferri trichloridi of 1.0mol/l with ferric chloride (FeCl36H2O) solid compound concentration, the liquor ferri trichloridi with preparation under the room temperature is added drop-wise in the dispersion liquid of usefulness (1) preparation.Stir the liquor ferri trichloridi that dripped preparation down at 3 hours, dropping sodium solution is kept pH=4-5 simultaneously.
(3) drip liquor ferri trichloridi after 1 hour, regulate pH=8-10, continue to stir 1 hour, left standstill again 1 hour.
(4) filtration, washing leaching cake, 110-120 ℃ of drying.Promptly obtain the yellow reflective insulation pigment of this patent.
Table 1 is the embodiment and the comparative example of yellow reflective insulation material of the present invention.
Table 1 yellow reflective insulation material embodiment and comparative example quality %
| Material | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Comparative example 1 |
| Mica powder | 100 | 100 | ?100 | ?100 | ?100 | ?100 | ?100 |
| Cladding titanium dioxide | 15 | 15 | ?15 | ?15 | ?15 | ?15 | ?15 |
| Iron(III) chloride hexahydrate | 1.7 | 8.5 | ?17 | ?34 | ?68 | ?119 | ?0 |
| Coated iron oxide | 1 | 5 | ?10 | ?20 | ?40 | ?70 | ?0 |
| Color | Beige | Little yellow | Light yellow | Yellow | Orange | Pale brown | White |
[2] preparation of yellow reflective heat-insulation paint
Yellow reflective heat-insulation paint preparation method is identical with the preparation method of common reflective heat-insulation paint:
(1) in the reactor drum that coating material production is used, adds water, the auxiliary agent (dispersion agent, neutralizing agent, wetting agent, skimmer, Antisepticize and mildew preventive, frostproofer) that measures, stir.
(2) the dried yellow reflective insulation material of adding this patent, middling speed stirs 20-30 minute, dispersed powders particle.
(3) stir the polymer emulsion that adds metering down.Add other auxiliary agents (thickening material, flow agent, skimmer etc.) again, regulate the execution of coating performance.
Table 2 is yellow reflective heat-insulation paint embodiment and comparative example.
The yellow reflective insulation material of using among the embodiment 7-embodiment 12 corresponds to the yellow reflective insulation material of the preparation among the middle embodiment 1-embodiment 6 in the table respectively.
Reflective insulation material in the comparative example 2 is the reflective insulation material in the comparative example 1.Comparative example 3 is the close colors of coating that are made into coating and embodiment 11 with the iron oxide yellow pigments powder.
The effect of heat insulation of the yellow reflective heat-insulation paint of preparation is according to the heat insulation temperature difference evaluation in JG/T 235-2008 " architectural reflective heat-insulation paint " standard.
Table 2 yellow reflective heat-insulation paint Example formulations table and effect of heat insulation quality %
Yellow reflective insulation material, along with the increase of yellow oxide of iron covering amount, the heat insulation temperature difference reduces, i.e. the effect of heat insulation variation.This be because the reflective insulation effect of iron oxide yellow do not have titanium oxide good due to.
But, the yellow reflective insulation material of the method preparation of employing this patent, the reflective heat-insulation paint of preparation yellow, with the coating for preparing same color with the method for adding pigment, its reflective insulation effect obviously improves.
Claims (10)
1. a yellow reflective insulation pigment and coating and preparation method thereof is characterized in that on the basis of clad nano oxide compound reflective insulation layer on the inorganic sheet base material, coated iron oxide yellow coloring layer again;
Yellow reflective insulation pigment particles is made up of five layer plane structures: yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film;
Paint film structure by the yellow reflective insulation pigment prepared of five above-mentioned layer plane structures is seven layer plane structures: transparent polymeric film-yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film-transparent polymeric film.
2. yellow reflective insulation pigment particles as claimed in claim 1 is the five-layer structure coating particles, constitutes yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film; Three types of quality of materials ratios forming yellow reflective insulation pigment are: inorganic sheet transparent substrate: inorganic oxide reflectance coating: yellow oxide of iron film=1: 0.05-0.5: 0.01-0.7.
3. according to claim 1 or claim 2 inorganic sheet transparent substrate is sheet mica, sericite sheet, glass flake or iron mica.
4. according to claim 1 or claim 2 inorganic oxide reflectance coating is to be coated on the inorganic sheet transparent substrate by inorganic oxide to form, and inorganic oxide is that pair oxide compound of invisible heat reflecting effect is arranged, as: titanium oxide, weisspiessglanz or tindioxide.
5. according to claim 1 or claim 2 yellow oxide of iron film is yellow oxide of iron to be coated on the film that forms on inorganic sheet transparent substrate, the inorganic oxide reflectance coating by chemical deposition.
6. be to generate like claim 1 or 5 described yellow oxide of iron films with the iron trichloride hydrolysis; The condition of iron trichloride hydrolysis is: the concentration of iron trichloride is 0.1-2mol/l, and optimum concn is 0.5-1mol/l; Temperature of reaction is a room temperature; Reaction times is 0.5-5 hour, and optimum reacting time is 1-3 hour; The pH=4-10 of hydrolysis reaction.
7. the preparation technology like claim 1,5 or 6 described yellow oxide of iron films adopts method for hydrolysis, and technological process is:
(1) with the reflective insulation dispersion of materials in the claim 3 and 4 in the deionized water of 3-5 times of quality, regulate pH=4 with hydrochloric acid;
(2) stir the liquor ferri trichloridi that dripped preparation down at 1-3 hour, dropping sodium solution is kept pH=4-5 simultaneously;
(3) drip liquor ferri trichloridi after, continue reaction 0.5-1 hour, regulate pH=8-10 then, continue reaction 1 hour, hydrolysis reaction left standstill 1 hour after finishing again;
(4) be yellow reflective insulation pigment after filtration, washing leaching cake, the drying, preparation reflective insulation pigment after filter cake also can directly be pulled an oar.
8. the coating quality like claim 1,5,6 or 7 described yellow oxide of iron is the 0.01-0.7 of inorganic sheet transparent substrate; Along with the increase of yellow oxide of iron coating quality, color is changed by white-beige-light yellow-deep yellow; The amount of the definite yellow oxide of iron that coats of cladding process yellow color is as required confirmed.
9. the paint film structure of coating as claimed in claim 1 is seven layer plane structures: transparent polymeric film-yellow oxide of iron film-inorganic oxide reflectance coating-inorganic sheet transparent substrate-inorganic oxide reflectance coating-yellow oxide of iron film-transparent polymeric film, yellow oxide of iron film wherein is by method preparation in claims 6,7 and 8.
10. reflective heat-insulation paint as claimed in claim 1 is the working method preparation according to the reflective heat-insulation paint of routine; Formulation for coating material is that emulsion resin, coatings additive(s), the yellow reflective insulation pigment of good weatherability is formed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104946078A (en) * | 2015-06-15 | 2015-09-30 | 蚌埠市阳光粉沫涂料有限责任公司 | Nano ceramic-modified epoxy resin type powder coating and preparation method thereof |
| CN105694574A (en) * | 2016-03-16 | 2016-06-22 | 浙江凯色丽科技发展有限公司 | Novel flaky reflective thermal insulation powder and preparation method thereof |
| CN105778689A (en) * | 2016-03-17 | 2016-07-20 | 上海三科涂料化工有限公司 | Environment-friendly multicolor waterborne reflecting heat-insulating thermal coating and preparation method thereof |
| CN106280576A (en) * | 2016-07-21 | 2017-01-04 | 四川省川宏精细化工有限公司 | A kind of replacement Cu-Zn alloy powder pearlescent pigment and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104946078A (en) * | 2015-06-15 | 2015-09-30 | 蚌埠市阳光粉沫涂料有限责任公司 | Nano ceramic-modified epoxy resin type powder coating and preparation method thereof |
| CN104946078B (en) * | 2015-06-15 | 2018-05-11 | 蚌埠市阳光粉沫涂料有限责任公司 | A kind of nano ceramics modified epoxy type powdery paints and preparation method thereof |
| CN105694574A (en) * | 2016-03-16 | 2016-06-22 | 浙江凯色丽科技发展有限公司 | Novel flaky reflective thermal insulation powder and preparation method thereof |
| CN105694574B (en) * | 2016-03-16 | 2018-06-26 | 浙江凯色丽科技发展有限公司 | Platelet-like reflective heat-insulating powder and preparation method thereof |
| CN105778689A (en) * | 2016-03-17 | 2016-07-20 | 上海三科涂料化工有限公司 | Environment-friendly multicolor waterborne reflecting heat-insulating thermal coating and preparation method thereof |
| CN105778689B (en) * | 2016-03-17 | 2018-03-16 | 上海三科涂料化工有限公司 | A kind of water-based reflective insulation adiabatic coating of environment-friendly type multicolour and preparation method thereof |
| CN106280576A (en) * | 2016-07-21 | 2017-01-04 | 四川省川宏精细化工有限公司 | A kind of replacement Cu-Zn alloy powder pearlescent pigment and preparation method thereof |
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Application publication date: 20120912 |