CN101348626B - Temperature adjustment coating and preparation thereof - Google Patents
Temperature adjustment coating and preparation thereof Download PDFInfo
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- CN101348626B CN101348626B CN2008102223723A CN200810222372A CN101348626B CN 101348626 B CN101348626 B CN 101348626B CN 2008102223723 A CN2008102223723 A CN 2008102223723A CN 200810222372 A CN200810222372 A CN 200810222372A CN 101348626 B CN101348626 B CN 101348626B
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Abstract
The invention provides thermal control paint and a preparation method thereof, belonging to the building material filed. The thermal control paint which is novel functional paint is manufactured by adding organic and inorganic composite phase-change materials in common paint or functional paint, wherein the organic and inorganic composite phase-change materials are obtained by compounding expanded perlite, attapulgite, zeolite or sepiolite and paraffin or octadecane. The thermal control paint not only has the prior functions and the effect of beautifying the environment, but also has the phase-change thermal control function, can automatically adjust the indoor temperature, and improve the indoor comfort degree; in addition, the thermal control paint is the environment-friendly paint which is energy-saving and pollution-free.
Description
Technical field:
The present invention relates to the energy-saving building materials field, especially relate generally to coating with temperature adjustment function.
Background technology:
In recent years, energy shortage problem is one of national urgent problem.In national Eleventh Five-Year Plan key scientific and technological projects, pay much attention to for the research work of energy-saving material.The temperature adjustment phase change material can absorb or discharge a large amount of latent heat in phase transition process, can be widely used in heat and store and domain of control temperature, is developed rapidly in American-European countries over nearly 20 years.Phase-change energy-storage composite material is a kind of hot merit energy matrix material, the form of energy with latent heat of phase change can be stored in its carrier, realizes the conversion of energy between different space-time positions.Utilizing the latent heat of phase change of phase change material to realize the storage and the utilization of energy, help to improve efficiency and exploitation renewable energy source, is very active forward position research direction in energy science and the material science in recent years.
The development that coat in present market is rapid, call along with national energy-saving and emission-reduction, various environmental protection and energy saving functional paints arise at the historic moment, as have heat insulation function coating, have heat insulating function coating, have antimildew function coating etc., yet the coating that can have temperature adjustment function does not still occur, after its major cause is existing temperature adjustment phase change material and coating composition is simply mixed, the phenomenon that exists phase change material to exosmose can not effectively be brought into play its phase transformation potential.
Summary of the invention:
The purpose of this invention is to provide a kind of can with the effective organic inorganic composite phase-change material of combination of existing coating composition, and provide the thermal control paint that forms as the function ingredients assembly with this organic inorganic composite phase-change material.This coating had both had the original function of coating, had increased thermoregulated function again, was a kind of save energy, and was pollution-free, the coating of environment-friendly type.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
The characteristics of thermal control paint of the present invention are based on common coating or functional paint, wherein add phase change composite material, and the addition of phase change material accounts for 5～6% of total mass and is advisable.
The characteristics of thermal control paint of the present invention are that coating is common coating or functional paint, and this coating is meant water paint for internal walls.
The characteristics of thermal control paint of the present invention are to use organic inorganic composite phase-change material, and this organic inorganic composite phase-change material is to be carrier with the inorganic porous mineral material, and organic phase change material is that sorbing material is prepared from.
In the preparation of organic inorganic composite phase-change material, organic phase change material is for being fats alkanes materials such as paraffin, octadecane; The inorganic porous mineral carrier is pearlstone, sepiolite, zeolite or attapulgite, volcanic ash etc.
Above-mentioned thermal control paint preparation method's concrete steps are:
At first raw material and the organic inorganic composite phase-change material of producing coating are ready to.Mix with a small amount of emulsion and the organic inorganic composite phase-change material that accounts for total mass 5～6% in the coating material production process, when coating material production finishes soon, the pure water that adds mixed organic inorganic composite phase-change material and homogenous quantities, continue to stir and mix last discharging barrelling up to phase change material and coating.
Compared with the prior art, the present invention has following beneficial effect:
1, adds phase change material in the coating, not only kept the effect of original coating, and increased new function-temperature adjustment function.
2, the phase change material that adds in the thermal control paint is an organic inorganic composite phase-change material, and this material has solved the problem that phase change material exosmoses, and has prevented the pollution to environment.
3, be added with phase change material in the thermal control paint, this phase change material has very high enthalpy of phase change, and has stable attemperation scope.
4, thermal control paint preparation technology is simple, is easy to control, can streamline operration and suitability for industrialized production.
Description of drawings:
Fig. 1 be the embodiment of the invention 1 thermal control paint through the differential scanning calorimeter detected result, show that this coating has tangible phase change material endotherm(ic)peak.
Fig. 2 be the embodiment of the invention 2 thermal control paints through the differential scanning calorimeter detected result, show that this coating has tangible phase change material endotherm(ic)peak.
Embodiment:
The characteristics of thermal control paint of the present invention are based on common coating or other functional paints, wherein add phase change composite material, and the addition of phase change material accounts for 5～6% of total mass and is advisable.
Wherein, common coating or other functional paints are meant water paint for internal walls.
The function ingredients phase change material is an organic inorganic composite phase-change material, and this organic inorganic composite phase-change material is to be carrier with the inorganic porous mineral material, and organic phase change material is that sorbing material is prepared from.Especially, be that the inorganic porous mineral material is directly joined in the vacuum reaction still, then the vacuum reaction still is evacuated down to negative pressure 0.05MPa, add the liquid organic phase change material while stirring and continue several minutes; Then with the vacuum reaction still be extracted into negative pressure 0.095MPa, continue to stir organic phase change material fully adsorbed by inorganic materials; Stopped reaction is closed extraction valve and is opened intake valve, opens discharge valve, promptly obtains organic inorganic composite phase-change material.Among the present invention, the inorganic porous mineral carrier is pearlstone, sepiolite, attapulgite, zeolite, volcanic ash etc., have natural duct and hole in their structure, the size of these ducts and pore diameter is from several nanometers to tens micron, and is interconnected at inner these holes of mineral and duct; The organic phase change material that uses in the invention is fats organic materialss such as paraffin, octadecane, accounts for 30～70wt% in organic inorganic composite phase-change material.This organic inorganic composite phase-change material is a particulate state, has that stability is high, phase transformation potential is big, easy characteristics of control of transformation temperature, and, have good consistency with other components of water paint for internal walls, can not produce the phenomenon that phase change material exosmoses.
The concrete approach of thermal control paint preparation:
One, can in common coating material production process, add function ingredients: mix (mass ratio of emulsion and composite phase-change material is 1:1) and be uniformly dispersed with emulsion (pure-acrylic emulsion or organosilicon crylic acid latex) and the organic inorganic composite phase-change material that accounts for total mass 5～6%, in common coating material production process when coating material production finishes soon, add mixed organic inorganic composite phase-change material and with the pure water of machine inorganic composite phase-change material homogenous quantities, continue to stir and mix last discharging barrelling up to phase change material and coating.
Two, can in the coating of having produced, add function ingredients: mix (mass ratio of emulsion and composite phase-change material is 1:1) and be uniformly dispersed (making emulsion wrap up the organic inorganic composite phase-change material particle fully) with emulsion (pure-acrylic emulsion or organosilicon crylic acid latex) and the organic inorganic composite phase-change material that accounts for total mass 5～6%, directly add in the middle of the existing coating, and the water of adding and organic inorganic composite phase-change material homogenous quantities, stirring gets final product.
The present invention is described in detail in detail by the following examples, and these embodiment are only for clear open the present invention, not as limitation of the present invention.The raw material of using is and is purchased among the embodiment.
The preparation of function ingredients (organic inorganic composite phase-change material):
1) pearlstone-octadecane:
The pearlstone of 20 grams, 3～5mm is joined in the vacuum reaction still, the bath temperature of vacuum reaction still is controlled at about 80 ℃, then the vacuum reaction still is evacuated down to negative pressure 0.05MPa, closes extraction valve, and open the liquid feeding valve simultaneously and add 20 gram octadecanes and stir; After spending 3 minutes, open extraction valve the vacuum reaction still is extracted into negative pressure 0.095MPa, continue to stir and to make paraffin be inflated perlite to adsorb fully; After 10 minutes, stopped reaction is closed extraction valve and is opened intake valve, opens discharge valve for behind the normal pressure in the reactor by the time, and the composite phase-change material 40 that promptly obtains pearlstone and octadecane restrains.2～3 millimeters of this matrix material solid particulate degree, octadecane adsorptive capacity in pearlstone is 50%, and enthalpy of phase change is 100～110J/g, and transformation temperature is 30～35 ℃.
2) pearlstone-whiteruss and octadecane (whiteruss and octadecane weight ratio are 1:8):
Preparation process is with 1), the composite material granular degree 2～3mm that obtains, organic materials adsorptive capacity 64%, enthalpy of phase change 116～132J/g, transformation temperature is at 27～35 ℃.
3) attapulgite-octadecane:
Preparation process is with 1), the composite material granular degree 0.2～0.5mm that obtains, organic materials adsorptive capacity 63%, enthalpy of phase change 120～145J/g, transformation temperature is at 30～35 ℃.
4) zeolite-paraffin:
Preparation process is with 1), the composite material granular degree 0.3～0.6mm that obtains, organic materials adsorptive capacity 66%, enthalpy of phase change 120～145J/g, transformation temperature is at 25～35 ℃.
Embodiment 1:
What coating used in the present embodiment is common coating, and organic inorganic composite phase-change material is that the compound paraffin of pearlstone is prepared from as stated above.
The thermal control paint preparation process:
Produce the raw material (be the raw material commonly used in the coating material production, be purchased product) of coating:
Batching quality (g)
Water 200
Mierocrystalline cellulose 2.5
PH conditioning agent AMP-95 1
Dispersion agent DP-270 2
Defoamer NXZ 8
Kaolin 100
Dicalcium powder 150
Pure-acrylic emulsion 100
Acrylate and vinyl acetate emulsion 70
Alcohol ester 12
Mould inhibitor HF 4
Get 34 grams (coating weight 5%) by 1) pearlstone-octadecane of preparing, and after mixing, 34 gram pure-acrylic emulsions stir;
Take by weighing water by the formulation for coating material requirement, with the raw material adding back mixing and stirring of above-mentioned production coating, add the pure water of ready function ingredients 68 grams and 34 grams, continue stirring up to mixing, last discharging barrelling gets this routine thermal control paint.
Performance test:
Stability test: place the flourish device of glass to leave standstill coating and observe after 24 hours, this coating not have to lump and the generation of deposited phenomenon.Control sample is a no significant difference.
Temperature adjustment function test: the differential scanning calorimeter test result shows that this coating has tangible phase change material endotherm(ic)peak, and the coating that does not add phase change material does not have above-mentioned test result (referring to Fig. 1).
Embodiment 2:
What coating used in the present embodiment is protective system, and organic inorganic composite phase-change material is that attapulgite clay compounded octadecane (by 3) prepares).
Preparation process is:
Produce the raw material (be the raw material commonly used in the coating material production, be purchased product) of coating:
Batching quality (g)
Water 220
Mierocrystalline cellulose 2.5
PH conditioning agent AMP-95 1
Dispersion agent DP-270 2
Defoamer NXZ 8
Kaolin 100
Coarse whiting 150
Pure-acrylic emulsion 100
Organosilicon crylic acid latex 100
Alcohol ester 12
Mould inhibitor HF 4
Function ingredients: get the attapulgite clay compounded octadecane of 42 grams (coating weight 6%), and stir after 42 gram organosilicon crylic acid latexs mix;
Press the method for embodiment 1, raw material and function ingredients 84 grams, water 42 grams of producing coating are mixed and obtain this routine thermal control paint.
Use the method identical with embodiment 1 to carry out performance test, the result: after leaving standstill 24 hours, coating does not have to lump and the generation of deposited phenomenon;
The temperature adjustment function of coating: the differential scanning calorimeter test result shows that this coating has tangible phase change material endotherm(ic)peak.
In addition the preservative effect of this coating is tested:
The adding of demonstration temperature adjustment function component does not have a negative impact to the anti-corrosion function of former coating.
Embodiment 3:
Present embodiment adds organic inorganic composite phase-change material in existing coating.
Process for preparation is:
The common interior wall coating of coating: cbma (being purchased)
Function ingredients: pearlstone-whiteruss/octadecane (by 2) prepares).Get 40 grams (coating weight 5%), and stir after equivalent pure-acrylic emulsion (40 gram) mixes;
The pure water of ready function ingredients 80 grams and 40 grams is added in the 800 gram coating, stir up to mixing the thermal control paint that obtains behind the common modified paint.
Use the method identical with embodiment 1 to carry out performance test, the result: after leaving standstill 24 hours, coating does not have to lump and the generation of deposited phenomenon;
The temperature adjustment function of coating: the differential scanning calorimeter test result shows that this coating has tangible phase change material endotherm(ic)peak (referring to shown in Figure 2), approaching with the thermal control paint performance of producing acquisition among the embodiment 1, illustrate that the present invention can directly add function ingredients and additional its temperature adjusting performance on the basis of existing common coating, thereby promote product quality.
Claims (6)
1. a thermal control paint is characterized in that, on common coating or functional paint basis or in the preparation process, adds the organic inorganic composite phase-change material of coating weight 5～6%, and described organic inorganic composite phase-change material is through emulsion dispersion; Described coating is meant water-borne coatings, and described organic inorganic composite phase-change material is to be carrier with the inorganic porous mineral material, and organic phase change material is that packing material is prepared from; Detailed process is: the inorganic porous mineral material is directly joined in the vacuum reaction still, then the vacuum reaction still is evacuated down to negative pressure 0.05MPa, add the liquid organic phase change material while stirring and continue several minutes; Then the vacuum reaction still is extracted into negative pressure 0.095MPa, continues stirring organic phase change material is fully adsorbed by inorganic materials; Stopped reaction is closed extraction valve and is opened intake valve, opens discharge valve and obtains.
2. according to the described thermal control paint of claim 1, it is characterized in that, the inorganic porous mineral carrier is meant a kind of in pearlstone, attapulgite, zeolite, volcanic ash and the sepiolite in the described organic inorganic composite phase-change material, described organic phase change material is meant paraffin or octadecane, or the mixture of paraffin and octadecane, described organic phase change material adsorptive capacity in organic inorganic composite phase-change material is 50～70wt%.
3. according to claim 1 or 2 described thermal control paints, it is characterized in that described emulsion is pure-acrylic emulsion or organosilicon crylic acid latex, it is 1: 1 with organic inorganic composite phase-change material mixing quality ratio.
4. according to the described thermal control paint of claim 3, it is characterized in that, wherein also add water with quality such as organic inorganic composite phase-change material.
5. the preparation method of the described thermal control paint of claim 4, be with organic inorganic composite phase-change material and emulsion blending dispersion evenly after, together add in the ready-made common coating or functional paint with water with quality such as organic inorganic composite phase-change materials, mix.
6. the preparation method of the described thermal control paint of claim 4, be with organic inorganic composite phase-change material and emulsion blending dispersion evenly after, in common coating or functional paint preparation process, with etc. the water of quality together add, mix.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102223723A CN101348626B (en) | 2008-09-17 | 2008-09-17 | Temperature adjustment coating and preparation thereof |
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| CN2008102223723A CN101348626B (en) | 2008-09-17 | 2008-09-17 | Temperature adjustment coating and preparation thereof |
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| CN101348626A CN101348626A (en) | 2009-01-21 |
| CN101348626B true CN101348626B (en) | 2011-02-23 |
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| CN102093801B (en) * | 2009-12-11 | 2013-02-27 | 廊坊立邦涂料有限公司 | Method for improving water separation of emulsion paint and emulsion paint prepared by method |
| CN102140330B (en) * | 2011-01-24 | 2013-09-18 | 吉林市德宏化工建材有限公司 | Building energy storage material and preparation method thereof |
| CN103059632B (en) * | 2011-10-21 | 2014-11-19 | 比亚迪股份有限公司 | Additive for thermal insulation paint and preparation method, and water-based paint containing additive |
| CN102535255A (en) * | 2011-11-23 | 2012-07-04 | 浙江金昌纸业有限公司 | Energy-saving temperature-adjusting wall paper and preparation method thereof |
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| CN102863242B (en) * | 2012-09-30 | 2013-12-11 | 许庆华 | Attapulgite volcaniclastic rock heat insulation raw material powder |
| CN102863229B (en) * | 2012-09-30 | 2013-12-11 | 许庆华 | Basic refractory attapulgite volcaniclastic-rock aggregate sand |
| CN102863228B (en) * | 2012-09-30 | 2013-12-11 | 许庆华 | Attapulgite volcaniclastic rock heat insulation firebrick |
| CN102863241B (en) * | 2012-09-30 | 2013-10-16 | 许庆华 | Production method of basic refractory attapulgite volcaniclastic-rock aggregate |
| CN103113792A (en) * | 2013-01-30 | 2013-05-22 | 北京立高科技股份有限公司 | Quick-dry phase change waterproof heat insulation coating and preparation method thereof |
| CN103265865B (en) * | 2013-04-24 | 2015-05-06 | 瑞安市德仕节能材料科技有限公司 | Production technology of water-soluble volcanic ash paint |
| CN105907281B (en) * | 2016-06-28 | 2018-05-08 | 佛山市顺德区聚博化学品有限公司 | A kind of energy-saving building coating of fire protection flame retarding |
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| CN107674460B (en) * | 2017-09-08 | 2019-10-18 | 合肥禾盛新型材料有限公司 | A kind of preparation method and application of the thermally conductive anticorrosive paint based on compound PCM |
| CN111592310A (en) * | 2019-04-29 | 2020-08-28 | 中建材创新科技研究院有限公司 | Gypsum self-leveling mortar with temperature adjusting function and preparation method thereof |
| CN111218181B (en) * | 2020-03-11 | 2021-08-17 | 浙江理工大学 | Preparation method of self-temperature-adjustable water-based silicone acrylic coating |
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