CN1302078C - Water thermal insulative reflecting paint - Google Patents

Water thermal insulative reflecting paint Download PDF

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Publication number
CN1302078C
CN1302078C CNB2004100227990A CN200410022799A CN1302078C CN 1302078 C CN1302078 C CN 1302078C CN B2004100227990 A CNB2004100227990 A CN B2004100227990A CN 200410022799 A CN200410022799 A CN 200410022799A CN 1302078 C CN1302078 C CN 1302078C
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China
Prior art keywords
paint
water
heat
emulsion
coating
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Expired - Fee Related
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CNB2004100227990A
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CN1712469A (en
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李光灿
杨菁
庞金鎔
曾华富
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SICHUAN GUHUANGJIN GROUP CO., LTD.
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DESHENG SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd SICHUAN
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Priority to CNB2004100227990A priority Critical patent/CN1302078C/en
Publication of CN1712469A publication Critical patent/CN1712469A/en
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Abstract

The present invention belongs to the technical field of paint, and particularly relates to water heat-insulating reflecting paint. The paint of the present invention is composed of priming paint and surface paint. The paint comprises the components of water-emulsion type synthetic polymer emulsion, deionized water, a heat-insulating material (or a reflecting material), pigment stuffing and an auxiliary agent. The reflectivity of the paint of the present invention to visual light is from 83.5% to 92.5%, and the heat radiation rate is 91%. The paint has obvious heat insulating effect, obvious reflection effect and good heat dispersion. The paint has positive effects on enhancing the storage performance of storehouses (cans) in the fields of petrochemical industry, grain and oil storage, etc., saving energy source and improving the residential environment of people.

Description

The water-borne heat-insulating reflective coating
Technical field:
The invention belongs to technical field of coatings, particularly be a kind of water-borne heat-insulating reflective coating.
Background technology:
At present, domestic grain, bunker storehouse (comprising concrete structure, steel plate structure), industrial stores, chemical industry, oil, food service industry class basin and pipe surface, the heat insulation and heat control of buildingss such as factory building, modernized plant, freezer, house owed by a citizen, office building and decoration of exterior wall adopts traditional heat insulation mode: as for the steel plate warehouse, usually all carry out application with silver paint, but the silver paint heat-proof quality is bad, under summer high temperature, generally take the water spraying cooling to handle to it again, this not only needs high water, electricity charge usefulness, also need expend a large amount of water, electric energy.Simultaneously, also can influence the environment on every side and routine maintenance, the maintenance of equipment.Traditional thick type lagging material, general insulation layer thickness will reach more than 2~3cm, and not only construction is complicated, and the house roof bearing capacity is big, and its material mostly is perlite greatly, and its water-repellancy is relatively poor again.Traditional building coating is divided into oil paint and water-borne coatings two big classes usually, oil paint contains objectionable impuritiess such as organic solvent volatile matter and heavy metal, and human body and environment are had certain hazardness, is come at present after the automobile, classify the main air pollution source in city as, progressively be eliminated.And water-borne coatings solvent burst size is far smaller than oil paint, and Environmental compatibility is good, but common water-borne coatings mainly plays the attractive, decorative effect, and does not have heat insulation effect.The water-borne heat-insulating reflective coating need solve the environmental problem of oil paint, remedies the deficiency on the water-borne coatings physicals, and has actual effect of heat insulation and could embody its value.
Building Trade in China has started the revolution of a building energy conservation in recent years, and under the joint efforts of each side, building energy conservation work has obtained bigger achievement in the whole society.Using energy-saving material of construction, improve the heat insulating and the air-tightness of buildings, reduce the consumption of the energy, is the megatrend of architectural development, is the needs that improve people's living environment, also is the emphasis of Building technology development from now on.
In recent years, the domestic research that emerges much water-borne heat-insulating coating, and declared many patents of invention, but the research of relevant thermal insulating coating, problem such as the ubiquity form of thermal insulation is single, and effect of heat insulation is undesirable.The patent No. is 99114454.6 radioresistant insulating water paint, based on counter radiation, owing to be single layer coating, so effect of heat insulation is relatively poor; Number of patent application is that 02109969.3 nanometer acrylic acid microemulsion, water-thinned heat reflecting and isolating paint and manufacture method thereof and number of patent application are 03111863.1 waterborne epoxy modified acrylic heat-reflecting insulating coating, all to be reflected into the master, its reflectivity only reaches 50~80%, all there is the single problem of heat insulation channel again, state and heat-proof quality is subjected to certain restriction.In addition, the former manufacture method is also complicated, is unfavorable for promoting.
Summary of the invention;
The objective of the invention is provides a kind of water-borne heat-insulating reflective coating for overcoming the problem that above-mentioned various heat insulation mode exists.
The object of the present invention is achieved like this:
Water-borne heat-insulating reflective coating of the present invention, form by priming paint and finish paint, by weight percentage ratio:
(1) component of priming paint and content are:
Water-latex type synthetic polymer emulsion 30~40%
Deionized water 15~30%
Lagging material 10~30%
Color stuffing 5~20%
Auxiliary agent 5~10%
(2) component of finish paint and content are:
Water-latex type synthetic polymer emulsion 30~45%
Deionized water 15~30%
Light reflecting material 20~35%
Color stuffing 10~20%
Auxiliary agent 4~10%
Above-mentioned water-latex type synthetic polymer emulsion is a kind of in silicone resin emulsion, styrene-propene yogurt liquid, acrylate copolymer emulsion, organosilicon-ACRYLIC EMULSION, aqueous epoxy resins, the aqueous polyurethane emulsion, lagging material in the priming paint is diatomite or diatomite and mica and sepiolite or diatomite and sepiolite, light reflecting material in the finish paint is one or more in pearl mica, zinc oxide, titanium dioxide, the aluminium powder, and color stuffing is one or more in talcum powder, dicalcium powder, titanium dioxide, kaolin, the process white.
Good heat insulation and heat control material or coating should have good three kinds of performances of heat insulation, reflective and ir radiation.In order to make coating have excellent effect of heat insulation, the best way makes three kinds of influence factors all play a positive role in coating exactly.By a large amount of heat insulation experiment contrasts and test, we have selected to be combined into coating based on the priming paint of heat insulation, thermal radiation with based on reflective finish paint.The heat-proof quality of heat insulation primer coating depends on the thermal conductivity size of pigment extender.With diatomite is example, and it has characteristic, its aerated densityes such as exquisiteness, loose, light weight, porous is 0.3~0.5g/cm 3Its thermal conductivity≤0.07w/m.k (measuring) by Sichuan Province's building scientific research institute, its porosity reaches 80~90% (being measured by Chengdu Branch of the Chinese Academy of Sciences), and its porosity generally reaches Subnano-class not (about 600mm), wherein has 10% porosity to reach nano level (100mm).The heat conductivility of this material self is superior, does the thermal insulation contrast experiment with the finish paint compound coating, proves than domestic like product good heat-insulation effect.
Select for use reflective preferably material improve the heat-proof quality of finish paint, also can reduce the cost of coating, make coating have high cost performance and excellent generalization values.With pearl mica, zinc oxide, titanium dioxide is example, pearl mica: specific refractory power is 2.3, be to be raw material with high-quality mica microwafer, coat on its surface multiple inorganic/the organism phase, utilize the characteristic of mica and coating and light action and both specific refractory power difference and produce optical transmission, reflection and diffraction, have fast light, weather-proof, high temperature resistant, acid and alkali-resistance, higher advantages such as physical strength are arranged.Zinc oxide: specific refractory power is 2.03, has good photostabilization, heat-resisting and weather resisteant, not efflorescence, and also it also has mildew-proof function, and ultraviolet ray is had certain impermeability, and outdoor resistance to chalking is good.Titanium dioxide (rutile-type): specific refractory power is 2.74, has excellent pigment quality, because its general white pigment height of refractive index ratio (more than 2.5), absorption to light is few, and heat-sinking capability is big, make its optical property very good, show that gloss, whiteness, reducing power, opacifying power are all good, have weather resisteant, water tolerance preferably.Because selecting for use of above material, finish paint has 83.5~92.5% reflecting rate to visible light.(Analytical Test Center, Chengdu Branch, Chinese Academy of Sciences's detection), reflecting effect is good.The infrared window of atmospheric layer in 8~13.5 mum wavelengths is another important channel of cooling, according to factors such as material particle size and thermal characteristicss, determined infrared radiant material to be used for priming paint, and prove the excellent effect of heat insulation of finish paint priming paint compound by experiment, effect shows that the integral heat-insulation property of composite coating is good, and the thermal emissivity rate of coating is 91% (Inst. of Physics, CAS's mensuration) after tested.
This coating is pressed " exterior wall coating material of synthetic resin emulsion " (GB/T9755-2001) standard detection, and every index reaches acceptable end product class requirement (detection of Sichuan Province building material product quality surveillance inspection center).In order to guarantee the feature of environmental protection of this coating, we also by " limits of harmful substances in indoor decorating material-interior wall coating " (GB18582-2001) standard detect, every index all meets national standard (detection of Sichuan Province's environmental monitoring junction centre), and its heavy metal content is significantly less than the value of limiting the quantity of of national standard.
The water-borne heat-insulating reflective coating is coated on the grain depot or storage tank of concrete structure or steel plate structure, be with respect to contrast storehouse effect of heat insulation: the storage tank of steel plate structure, top, storehouse outside wall temperature has on average reduced by 11.2 ℃, 19.6 ℃ of maximum temperature differences; The storehouse temperature has on average reduced by 12.5 ℃, 18.4 ℃ of maximum temperature differences.Top, the storehouse outside wall temperature of concrete structure has on average reduced by 12.4 ℃, 16.5 ℃ of maximum temperature differences; Inner wall temperature has on average reduced by 17.5 ℃, 22.8 ℃ of maximum temperature differences; The storehouse temperature has on average reduced by 8.6 ℃, 11 ℃ of maximum temperature differences.Coating is easy construction in process of the test, and appearance of film is stable, and stain resistance is good, and bubble does not appear in coating, and bad phenomenon such as come off.
The whole test situation can find out that this water-borne heat-insulating reflective coating has obvious heat insulation reflecting effect, can reduce the internal temperature in grain, bunker storehouse well, and for energy efficient, raising grain and oil quality, safe low-temperature grain-storage have positive effect.
The production method of water-borne heat-insulating reflective coating of the present invention is with the production method of common water-borne coatings, soon deionized water, auxiliary agent, color stuffing, lagging material (or light reflecting material) disperse through high-speed stirring, then slurry is ground, add water-latex type synthetic polymer emulsion, thickening material, flow agent again, mix after-filtration, detect, promptly get the priming paint (or finish paint) of water-borne heat-insulating reflective coating.Finish paint and priming paint is compound, be water-borne heat-insulating reflective coating of the present invention.
Heat insulation reflecting coating of the present invention is water-borne coatings, with water as solvent, does not need other special diluting agent, has that heat insulation reflecting is effective, environmental friendliness and characteristics such as easy to use.And finish paint can be modulated into multiple color as requested, makes it have the excellent decoration effect.Again because this coating is made up of priming paint and finish paint, and wherein: priming paint is based on thermal resistance, ir radiation, finish paint is based on reflective, weather-proof etc., and compound by finish paint and priming paint makes coating have good heat insulation and preservation effect.For the storage performance of the storehouse (jar) that improves fields such as petrochemical complex, grain and oil storage, save energy is improved people's living environment, has positive effect.
Embodiment:
Specific embodiments of the invention as shown in Table 1 and Table 2.Table 1 is the specific embodiment 1~6 of the priming paint of water-borne heat-insulating reflective coating of the present invention.Table 2 is the specific embodiment 1~6 of the finish paint of water-borne heat-insulating reflective coating of the present invention.
Table 1
Table 2
Use water-borne heat-insulating reflective coating of the present invention, handle building surface in a conventional way after, brush (or roller coat or spraying) heat insulation priming paint 3 times, reflective finish paint 2 times.Coat-thickness is 0.7 ± 0.1mm.

Claims (1)

1, a kind of water-borne heat-insulating reflective coating is made up of priming paint and finish paint, it is characterized in that the component and the content of percentage ratio (1) priming paint are by weight:
Water-latex type synthetic polymer emulsion 30~40%
Deionized water 15~30%
Lagging material 10~30%
Color stuffing 5~20%
Auxiliary agent 5~10%
(2) component of finish paint and content are:
Water-latex type synthetic polymer emulsion 30~45%
Deionized water 15~30%
Light reflecting material 20~35%
Color stuffing 10~20%
Auxiliary agent 4~10%
Above-mentioned water-latex type synthetic polymer emulsion is a kind of in silicone resin emulsion, styrene-propene yogurt liquid, acrylate copolymer emulsion, organosilicon-ACRYLIC EMULSION, aqueous epoxy resins, the aqueous polyurethane emulsion, lagging material in the priming paint is diatomite or diatomite and mica and sepiolite or diatomite and sepiolite, light reflecting material in the finish paint is one or more in pearl mica, zinc oxide, titanium dioxide, the aluminium powder, and color stuffing is one or more in talcum powder, dicalcium powder, titanium dioxide, kaolin, the process white.
CNB2004100227990A 2004-06-15 2004-06-15 Water thermal insulative reflecting paint Expired - Fee Related CN1302078C (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNB2004100227990A CN1302078C (en) 2004-06-15 2004-06-15 Water thermal insulative reflecting paint

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CN1712469A CN1712469A (en) 2005-12-28
CN1302078C true CN1302078C (en) 2007-02-28

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* Cited by examiner, † Cited by third party
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CN102766385A (en) * 2012-08-15 2012-11-07 四川中科倍特尔技术有限公司 Method for preparing resin for reflective film
CN104293058A (en) * 2014-11-04 2015-01-21 徐妍玲 Waterborne mold-proof paint

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CN101818025A (en) * 2010-04-07 2010-09-01 杭州东科建筑节能材料有限公司 Thermal insulation waterproof paint
CN102464929A (en) * 2010-11-19 2012-05-23 深圳市国彩纳米建材有限公司 Nano modified water-based antirust coating
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CN103938740B (en) * 2013-01-17 2016-03-30 上海绿色建材研究中心有限公司 A kind of building exterior wall heat preserving system
CN103938741B (en) * 2013-01-17 2016-03-30 上海绿色建材研究中心有限公司 A kind of inner wall of building heat-insulation system
CN104263048A (en) * 2014-10-13 2015-01-07 徐妍玲 Aqueous heat-insulating paint
CN104263161A (en) * 2014-10-29 2015-01-07 徐妍玲 Water-based fire-resistant paint
CN104263160A (en) * 2014-10-29 2015-01-07 徐妍玲 Water-based thermal insulating and fire-resistant paint
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CN113736333B (en) * 2021-09-27 2022-08-02 天津包钢稀土研究院有限责任公司 Cerium oxide reflective heat-insulation coating and preparation method thereof
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Publication number Priority date Publication date Assignee Title
CN102766385A (en) * 2012-08-15 2012-11-07 四川中科倍特尔技术有限公司 Method for preparing resin for reflective film
CN104293058A (en) * 2014-11-04 2015-01-21 徐妍玲 Waterborne mold-proof paint

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