CN1515633A - Heat-isolating coating capable of reflecting solar heat ray - Google Patents

Heat-isolating coating capable of reflecting solar heat ray Download PDF

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Publication number
CN1515633A
CN1515633A CNA031180078A CN03118007A CN1515633A CN 1515633 A CN1515633 A CN 1515633A CN A031180078 A CNA031180078 A CN A031180078A CN 03118007 A CN03118007 A CN 03118007A CN 1515633 A CN1515633 A CN 1515633A
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heat
coating
ray
invisible
reverberation
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CNA031180078A
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马承银
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Abstract

The present invention relates to a paint for reflecting heat ray of solar radiation ando ther heat radiation and insulating heat. The paint is composed of three main components of special material for reflecitng heat rays, composite material formed from hollow microbead and loose porous heat-insulating material or its surface is covered with the material for reflecting heat rays and adhesive bonding material. The paint can be used as external surface paint for building, car train, pipeline, and tank, when its dried paint film thickness is 0.3-0.8 mm, its total reflection rate for heat rays can be up to above 90%.

Description

The thermal insulating coating of reflection solar heat ray
The present invention relates to reverberation ray and the functional paint that stops thermal conduction characteristic.
The radiating capacity that solar radiant energy passes atmospheric layer arrival earth surface is 335-837kJ/cm 2* a. is the main body of human use's the energy.According to wavelength of light classification, ultraviolet ray accounts for 5%, visible rays accounts for 45%, infrared rays accounts for 50%.The infrared rays medium wavelength is that the near infrared ray of 0.75-2.5 μ m accounts for 95%, in addition be that wavelength is middle infrared (Mid-IR) and the far infrared rays of 3-5 μ m and 8-14 μ m.The wavelength of general invisible heat is between 0.38~1000 μ m, and most of invisible heat is arranged in the scope of infrared rays section 0.76~20 μ m.Utilizing the invisible heat heating object, and avoid the absorption of invisible heat to make the heat insulation and insulation of object, is research and two aspects using the solar heat ray.Solar irradiation is mapped to body surface, produces to reflect, reflect, absorb, see through.To invisible heat in the scope of radiating 0.38~20 μ m, if absorbed by object, then radiating capacity changes into heat energy, makes body surface temperature liter.According to the transfer law of heat, heat then from body surface to external irradiation be delivered to interior of articles.If can make a large amount of reflections of body surface and radiant heat ray, can stop hotly simultaneously to inner heat conduction, then can avoid or reduce the interior of articles temperature and raise because of the radiation of solar radiation or foreign radiation sources.
In China's patent, reflective and heat insulation coating is arranged, representational have following two pieces.CN1077730 reflective coating composition is fitted in by raw materials such as vibrin, titanium dioxide, barium sulfate, solidifying agent, FG synthetic resins, Resins, epoxy, glass microballons, has the reflection of light function, being used for vehicle label, traffic safety, sign, navigation, aviation, mine with objects such as safety notice, reflecting bicycle, reflective side mirror, reflective ceramics, vehicle rims, is to be the patent of feature with preparation reflecting sign coating.It is host with water-proof emulsion, polyvinyl alcohol, talcum powder, waterproof and heat-proof powder and anti-white light powder that CN1129238 proposes a kind of, with materials such as borax, defoamer, white dyes and silver powder is the new waterproof that additive was constituted, reflective, thermal insulating coating, is the patent with the thermal insulating coating of preparation reflected white-light.
The mechanism of heat insulation of the thermal insulating coating of reverberation ray of the present invention has three aspects.The first: one or more materials are used in design, the most of invisible heat of solar radiation to the objects of material surface can be reflected away, and while material itself will absorb the heat energy major part that solar radiant energy changes into again and distribute with the radiating form.It two is: select the little material of a class thermal conductivity, can stop and reduce heat energy to the intravital thermal conduction of thing with accumulate, can reach effect of heat insulation preferably.It three is: designed a kind of have reflection and the composite wood that reduces thermal conduction two specific characters, be applied among the present invention, improved the radiation heat insulation effect of filming that coating forms.
The present invention is achieved in that the first, and the hollow beads parietal layer is transparent glass and pottery, when invisible heat shines bead surface, produces reflection, refraction, and most of invisible heat is reflected to the microballon outside.Simultaneously, the invisible heat that is seen through the microballon parietal layer by refraction is in reflection and refraction through inwall, and some sees through the space of parietal layer to the microballon outside by refraction.And the microballon inwall makes invisible heat wherein constantly project the microballon outside to the multiple reflection and the refraction of invisible heat.It two is, utilizes the gas conduction coefficient in hollow beads or the porous material hole little, can reduce thermal conduction effectively.。It three is, coats the material high to the invisible heat reflectivity at the hollow beads outside surface, increases its reflectivity to invisible heat.The specific refractory power of the material that coats is different with the hollow beads parietal layer, has increased reflection and the refractive number of times of invisible heat at the outside surface of coating layer and itself and microballon parietal layer interface, and raising is to the reflectivity of invisible heat.Like this, in the dry film that forms of filming, include the multilayer hollow beads, they play reflection multilayer and stop heat conducting effect, and the photopolymer layer that can stop invisible heat to see through coating formation effectively arrives protected body surface.
Coat the hollow beads manufacture method of reverberation ray material
(1) coating material is a base material with hollow glass microbead and hollow ceramic microballon, hollow organic high polymer microsphere.With metal-salts such as Silver Nitrate, indium nitrate, indium sulfate, indium chloride, tin tetrachloride, tin sulphate, titanium tetrachloride, titanium sulfate, titanyl sulfate, sal epsom, magnesium chloride, zinc sulfate, zinc chloride, calcium chloride, butter of antimony is the coating material.
(2) adopting chemical deposition to coat reverberation ray material is raw material with above-mentioned metal-salt, adopts different chemical processes such as oxidation-reduction reaction, replacement(metathesis)reaction, at hollow beads surface deposition metal or metal oxide or metal-salt.By different requirements, making sedimentary thicknesses of layers is that 0.03-5 μ m. can be one deck in the layer of reflective material of hollow beads surface deposition, also can be two-layer above composite bed.The preparation method of composite bed reflecting material is identical with the preparation method of individual layer reflecting material.
Embodiment 1 argent coats the preparation of hollow beads reverberation ray material
In the silver nitrate aqueous solution 100ml of 0.1-10% concentration, add double glazing or ceramic fine bead 10g, add 1% ammoniacal liquor 10ml, under agitation add formalin 2ml, temperature of reaction 10-50 ℃.Make the silver-colored particle deposition of generation on hollow beads, form the silverskin reflecting layer.Filter, be drying to obtain the reverberation ray hollow beads material of ladle-to-ladle silver-coated layer.
Embodiment 2 Indium sesquioxides-stannic oxide coats the material preparation of cenosphere reverberation ray
Sol-gel method prepares Indium sesquioxide-tin oxide film and coats hollow beads reverberation ray material with a kind of 0.1-2mol/l of the being made into solution A in indium nitrate, indium chloride, the indium sulfate.A kind of with in tin tetrachloride, the tin sulphate is made into 0.1-2mol/l solution.Two kinds of solution of A, B mix, and ratio of mixture is 1~9: in 9~1 the scope.Add hollow beads of the present invention in mixed solution, stir and make it suspension, add sal volatile under stirring, regulator solution PH=5-9, is deposited on the hollow beads hydrolysate by temperature of reaction 20-70 ℃.Behind the filtration drying,, promptly obtain the reverberation ray material that Indium sesquioxide-tin oxide film coats cenosphere again 500-700 ℃ of heat treated 3 hours.
Embodiment 3 coated by titanium dioxide cenosphere reverberation ray material preparations
In the aqueous solution of titanyle sulfate of 0.01~2mol/l, add the hollow beads of using among the present invention, stir and make it suspension.Under 60-100 ℃ of temperature, dripping alkali liquid is regulated PH at 2-3, the metatitanic acid that the titanyl sulfate hydrolysis is generated is deposited on the hollow beads surface, filtration, washing, drying were handled 3-5 hour under 400-800 ℃ of temperature again, obtained coated by titanium dioxide cenosphere reverberation ray material.
The thermal insulating coating preparation of reverberation ray line of material
The thermal insulating coating of reverberation ray of the present invention is a base stock by polymeric adhesive, hollow beads and the hollow beads that coats reverberation ray material, can add colouring matter, filling chock and coating used additives etc. on demand.The hollow beads of hollow beads and coating reverberation ray material can be used one or more on demand.Method for producing coating production according to routine.
The manufacturing of the thermal insulating coating of Production Example 1 emulsion-type reverberation ray
In 20kg water, add water-borne coatings dispersion agent commonly used, under agitation add the 50% solid content benzene emulsion 40kg that exterior coating is used, the hollow beads 40kg that adds the silver coating of preparation among the embodiment 1 then, the after-filtration that stirs promptly obtains the thermal insulating coating of silver gray emulsion-type reflected infrared.
The manufacturing of the thermal insulating coating of Production Example 2 solvent-borne type reverberation rays
Being in the solvent type exterior wall overprint coating of main component with methyl methacrylate-butyl acrylate, be diluted to solid content 20% with thinner.In the coating varnish that 50kg has diluted, the Indium sesquioxide-tin oxide film that adds among the embodiment 2 coats cenosphere 30kg.The after-filtration that stirs promptly gets the thermal insulating coating of the reverberation of falling solvent-borne type ray.
The coating construction of the thermal insulating coating of reverberation ray
The thermal insulating coating of reverberation ray of the present invention can as required, can adopt the method for roller coating, brushing, spraying to carry out according to conventional execution of coating method construction.The thermal insulating coating of reverberation ray of the present invention can be directly carries out film forming on the object plane of reflective insulation at needs.With ground sticking power and special preservative effect are preferably arranged if desired, can adopt the priming paint coating of satisfying service requirements, again the thermal insulating coating of coating reverberation ray of the present invention on priming paint.Coatingsurface smooth finish is good if desired, can be coated with overprint coating on the heat insulating coating film surface of reverberation ray of the present invention.The build that the thermal insulating coating of reverberation ray of the present invention forms just has good effect of heat insulation at 0.2-0.5mm.Better reflect if desired and effect of heat insulation, can increase build.

Claims (7)

1, a kind of thermal insulating coating of reflected solar radiation invisible heat.The invisible heat of reflected solar radiation effectively of filming that this coating forms, and the heat conducting effect of heat insulation of prevention is arranged.
2, coating of the present invention is formed method for producing coating production routinely by invisible heat reflecting material, lagging material, three kinds of basal component of bonding material.Use spraying, roller coat is brushed, and several different methods such as blade coating are coated the body surface that needs reflective insulation, form heat insulating coat.The solid of coating is divided into 30-70%, and resin accounts for 5-35% in the dry coating film, and lagging material accounts for 30-70%, and reverberation ray material accounts for 3-20%.
3, the material of reverberation ray is for to have higher reflexive material to invisible heat.The invisible heat reflecting material has types such as metal, metal oxide, metal-salt.Metal is just like silver, aluminium etc.Metal oxide such as Indium sesquioxide, stannic oxide, titanium dioxide, zinc oxide, magnesium oxide, antimonous oxide etc.Metal-salt such as barium sulfate, lime carbonate etc.
4, lagging material is best for the inner material that the hole is arranged with independent closed pores.Be gas in the hole, the poor thermal conductivity of gas plays heat-blocking action.Pottery and glass microballon, perlite, sepiolite, vermiculite and hollow polymer microsphere as hollow.The particle diameter of hollow beads is 0.5-200 μ m.
5, the matrix material of reverberation ray material and lagging material combination.Be that heat insulation material surface in aforesaid right requirement 4 coats aforesaid right and requires reverberation ray material in 3, be formed with the matrix material of reflection and heat insulating function.
6, the complex method of reverberation ray and heat-insulation composite material.Adopt solution-gel method, form reverberation ray material coating layer on the lagging material surface.The surface coated invisible heat reflector thickness of hollow beads is 0.03-5 μ m.
7, bonding material is the low transparent polymer material of invisible heat specific absorption.As acrylic resin, Resins, epoxy, aminoresin, resol, silicone resin, organic fluorine, chlorinated polyvinyl chloride, chlorinatedpolyethylene and rubber resin.Above-mentioned macromolecular material is applied among the present invention with solution or emulsion state.
CNA031180078A 2003-01-06 2003-01-06 Heat-isolating coating capable of reflecting solar heat ray Pending CN1515633A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100351329C (en) * 2004-12-31 2007-11-28 邹文和 Optical radiation resistant exterior wall paint
CN100376640C (en) * 2005-09-27 2008-03-26 于志鸿 External wall reflective paint for sun light heat
CN100382956C (en) * 2005-06-25 2008-04-23 锦州希尔达汽车零部件有限公司 Railway box wagon heat-isolating layer and its production method
CN100537673C (en) * 2005-11-08 2009-09-09 财团法人工业技术研究院 Thermal-isolating coating
CN101121858B (en) * 2007-09-29 2010-05-26 湖南涂喜乐新材料科技有限公司 Heat insulation coating capable of reflecting solar heat rays
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
CN101948640A (en) * 2010-08-09 2011-01-19 华南理工大学 Dark infrared reflective insulation material and preparation method thereof
CN101560343B (en) * 2009-05-19 2011-11-30 上海师范大学 Heat-reflecting heat-insulating inorganic material, preparation method and application thereof
CN102260036A (en) * 2011-02-22 2011-11-30 天津沽上真空玻璃制造有限公司 Method for preparing coated vacuum glass
CN102329533A (en) * 2011-09-28 2012-01-25 山东科技大学 Composite tin antimony oxide thermal insulation material and preparation method thereof
CN102408760A (en) * 2011-09-28 2012-04-11 山东科技大学 Heat-insulating coating and preparation method thereof
CN102453423A (en) * 2010-10-26 2012-05-16 北京新风机械厂 Heat-proof coating and preparation method thereof
CN102991010A (en) * 2012-12-11 2013-03-27 大连创达技术交易市场有限公司 Thermal-insulating self-cleaning carbon fiber plate material
CN103087557A (en) * 2011-11-07 2013-05-08 广州精点高分子材料制品有限公司 Semiconductor infrared ceramic coating
CN103102755A (en) * 2012-12-27 2013-05-15 海南红杉科创实业有限公司 Interior wall thermal insulation coating
CN103102754A (en) * 2012-12-27 2013-05-15 海南红杉科创实业有限公司 Interior wall thermal insulation coating
CN103158306A (en) * 2013-03-18 2013-06-19 杭州威廉姆投资管理有限公司 Novel ceramic heat insulating coat and preparation process thereof
CN103160943A (en) * 2013-03-05 2013-06-19 毛盈军 Insulation and heat insulation fiber and textile prepared by fiber thereof
CN103231869A (en) * 2013-05-14 2013-08-07 常州循天节能科技有限公司 Thermal insulation structure of thermal medium storage tank and thermal medium pipe of solar photo-thermal power generation system
CN103422578A (en) * 2013-08-12 2013-12-04 吴闻涛 Ceramic microcrystalline thermal insulation system
CN103589254A (en) * 2012-08-15 2014-02-19 贵州柯维建材开发有限公司 Environment-friendly reflective insulation heat-preserving coating
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CN105542636A (en) * 2015-12-26 2016-05-04 杭州福斯特光伏材料股份有限公司 Infrared high-reflection coating
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Cited By (57)

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Publication number Priority date Publication date Assignee Title
CN100351329C (en) * 2004-12-31 2007-11-28 邹文和 Optical radiation resistant exterior wall paint
CN100382956C (en) * 2005-06-25 2008-04-23 锦州希尔达汽车零部件有限公司 Railway box wagon heat-isolating layer and its production method
CN100376640C (en) * 2005-09-27 2008-03-26 于志鸿 External wall reflective paint for sun light heat
CN100537673C (en) * 2005-11-08 2009-09-09 财团法人工业技术研究院 Thermal-isolating coating
CN101121858B (en) * 2007-09-29 2010-05-26 湖南涂喜乐新材料科技有限公司 Heat insulation coating capable of reflecting solar heat rays
CN101560343B (en) * 2009-05-19 2011-11-30 上海师范大学 Heat-reflecting heat-insulating inorganic material, preparation method and application thereof
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CN106904934A (en) * 2017-04-04 2017-06-30 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method for building composite coating
CN106957603A (en) * 2017-04-20 2017-07-18 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method of aqueous architectural coating
CN107325713A (en) * 2017-08-03 2017-11-07 合肥泓定科技有限公司 Outer wall heat-insulating coating
CN107325720A (en) * 2017-08-03 2017-11-07 合肥泓定科技有限公司 Aqueous glass heat insulation paint and preparation method thereof
CN108300033A (en) * 2017-08-03 2018-07-20 合肥泓定科技有限公司 Insulating mold coating in use for glass
CN107325663A (en) * 2017-08-03 2017-11-07 合肥泓定科技有限公司 Architectural reflective heat-insulation paint and preparation method thereof
CN107652853A (en) * 2017-11-08 2018-02-02 刘兴满 A kind of sunproof coating of water pump
CN108752831B (en) * 2018-04-16 2020-12-29 南京工业大学 Modified styrene functional material with solar spectrum reflection function and preparation method thereof
CN108752831A (en) * 2018-04-16 2018-11-06 南京工业大学 Modified styrene functional material with solar spectrum reflection function and preparation method thereof
CN109181471A (en) * 2018-08-03 2019-01-11 中山大学 A kind of high-performance reflective insulation High tailored coating
CN111187552A (en) * 2018-11-14 2020-05-22 湖北慧盾新型材料科技有限公司 Modified epoxy resin composite coating for building exterior wall and preparation process thereof
CN111187552B (en) * 2018-11-14 2021-11-12 湖北慧盾新型材料科技有限公司 Modified epoxy resin composite coating for building exterior wall and preparation process thereof
CN109830551A (en) * 2019-02-18 2019-05-31 曾康 A kind of CuInSe that can reflect infrared light2Battery Window layer and preparation method
CN109988487A (en) * 2019-04-16 2019-07-09 河北曲港高速公路开发有限公司 A kind of road color nano reflection cooling coating and preparation method thereof
CN113652130A (en) * 2021-09-16 2021-11-16 苏州同构科技有限公司 Acid rain-proof infrared reflection coating and preparation method thereof
CN115785809A (en) * 2022-12-07 2023-03-14 科顺防水科技股份有限公司 Radiation refrigeration coating and radiation refrigeration product
CN115785809B (en) * 2022-12-07 2023-06-06 科顺防水科技股份有限公司 Radiation refrigeration coating and radiation refrigeration product

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