CN103013212A - Nanometer heat insulating coating and preparation method thereof - Google Patents
Nanometer heat insulating coating and preparation method thereof Download PDFInfo
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- CN103013212A CN103013212A CN 201110290469 CN201110290469A CN103013212A CN 103013212 A CN103013212 A CN 103013212A CN 201110290469 CN201110290469 CN 201110290469 CN 201110290469 A CN201110290469 A CN 201110290469A CN 103013212 A CN103013212 A CN 103013212A
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Abstract
The invention discloses a nanometer heat insulating coating and a preparation method thereof. Coatings are brushed to be a film on glass to guarantee high light transmission property, and the film is high in heat insulation property and belongs to an environment-friendly energy-saving new material. The preparation method comprises the following steps of: mixing nanometer ATO, nanometer VO2, tetraethoxysilane, ammonia water, deionized water, absolute ethyl alcohol and a surfactant and baking reactive products to obtain a nanoscale modified ATO/SiO2 or VO2/SiO2 oxide solid solution body; sequentially performing mechanical stirring, ultrasonic oscillation and high-pressure homogeneity treatments on the solid solution body, a nanometer metal monomer, the water, the alcohol and a dispersing agent to obtain a primary dispersing body; and performing mechanical stirring and high-pressure homogeneity treatment on the primary dispersing body, high molecular emulsion and coating additives to obtain the nanometer heat insulating coating. The nanometer heat insulating coating and the preparation method are low in cost and simple in process; a film layer has good light transmission property and high heat insulation property after the coatings are brushed to be the film; and the nanometer heat insulating coating is high in self-cleanness property, difficult to age, high in durability and washing resistance, long in service life of the film layer, good in stability and easy to maintain.
Description
Technical field
The present invention relates to a kind of nanometer heat isolation paint and preparation method thereof.Coating can guarantee good light transmission after brushing film forming on glass, and has excellent heat-proof quality; Belong to the environmental protection and energy saving novel material.
Background technology
In recent years, along with the economic develop rapidly of China, urban construction is maked rapid progress, and has every day new building to rise sheer from level ground.The glass window of buildings and transparent ceiling etc. are under the thermal radiation of sunlight, and temperature raises gradually, can increase the rate of utilization of air-conditioning, so that energy consumption increases.According to the USDOE statistic data, 30%～50% of air conditioner refrigerating energy consumes the sun power that is seeing through from window.In addition, the ultraviolet ray in the sunlight also can be accelerated the ageing failure of the interior furniture of buildings and article, even human body is worked the mischief.For the thermal-radiating drawback of above-mentioned sunlight, traditional solution is to use the products such as metal coating heat-reflecting glass and various heat reflection pad pastings to reach the purpose of heat insulation and heat control.Yet there are the problems such as the undesirable and cost of light transmission is higher in these solutions.The standby a kind of transparent heat insulating dope that contains nano-oxide/metal simple-substance of this project system is coated on it behind glass surface under the prerequisite that guarantees abundant printing opacity, plays ultraviolet, infrared rays and then the heat insulation effect of intercepting.
At present, the research of more existing transparent heat insulating dopes both at home and abroad.Wherein transparent heat-insulated better performances is the heat insulating coat that contains nano-indium stannum oxide (ITO), and it is at the heat-insulating problem that guarantees to have solved well under certain transmittance prerequisite glass.The film that nano-ITO is made has very high infrared shielding effect and higher light transmission, and part drops into practical application.Yet this material price is expensive, is difficult to be popularized.In addition, some has added the coating of cenosphere and nano particle, although its thermal conductivity is little, all has good reflectivity for ultraviolet and near infrared ray, good thermal insulation is arranged, but because the opacity of cenosphere self is not being met the coating light transmission.Studies show that, many nano-oxides and metal simple-substance particle, such as vanadium dioxide, aluminum oxide, silicon oxide, titanium oxide, zinc oxide, cerium oxide, ferric oxide, antimony doped tin oxide, nickel, silver, aluminium etc. ultraviolet and near infrared ray all had certain shielding and reflex action, heat that can the hermetic section solar irradiation.Simultaneously, these nano particles have preferably effect at aspects such as wear-resisting, the weathering resistance that strengthens coating and self-cleanings.Therefore, nano-oxide and elemental metals particle added to obtaining nanometer heat isolation paint in the coating according to certain proportioning, and brush on glass, it is good to obtain light transmission, and heat-insulating efficiency is high, has the heat insulating coat of Good All-around Property.
Summary of the invention
Existing transparent heat-insulated technology adopts Nanometer ITO Powder as additive more, but investment of production is large, and cost is high, and the over-all properties of coating is also not ideal enough.For overcoming above-mentioned shortcoming, the present invention discloses a kind of nanometer heat isolation paint and preparation method thereof, with the solution treatment of mixing of ATO and vanadium dioxide, successively by mechanical stirring, sonic oscillation and high-pressure homogeneous processing, obtain the primary dispersion body with nano metal simple substance, water, alcohol and dispersion agent.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.This coating can be applicable to building glass, vehicle glass etc. needs isolated solar irradiation heat must guarantee again simultaneously the occasion of certain light penetration.
A kind of nanometer heat isolation paint and preparation method thereof is characterized in that, carries out in accordance with the following steps:
A) modification of nano particle additive preparation
With Nanometer-sized Antimony-doped tindioxide (ATO) and vanadium dioxide (VO
2) carry out silicon-dioxide (SiO
2) the doping vario-property preparation, the gained modified nanoparticles is ATO/SiO
2And VO
2/ SiO
2Oxide solid solution.
B) the nano-oxide sosoloid behind the doping vario-property and nano metal simple substance, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
A) preparation process of doping vario-property described in is: with nano ATO, nanometer VO
2, tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, tensio-active agent be raw material, each feed molar mark proportioning is as follows:
Nano ATO: 70～90
Nanometer VO
2: 10～30
Tetraethyl orthosilicate: 03～3
Ammoniacal liquor: 0.3～1.8
Deionized water: 2～8
Dehydrated alcohol: 15～90
Tensio-active agent: 0.06～0.20
To react 1 hour under 60 ℃ after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 5～8 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.
A) nano level modified ATO/SiO described in
2Or VO
2/ SiO
2The X-ray diffraction of oxide solid solution detects in the collection of illustrative plates only has SnO
2(diffraction card 41-1445) or VO
2The diffraction peak of (diffraction card 43-1051) exists.Wherein, SnO
2(110) diffraction peak and (101) diffraction peak integrated intensity ratio be 1.2～1.4: l; VO
2(011) diffraction peak and (220) diffraction peak integrated intensity ratio be 1.8～2.2: 1 (testing tool: German Brooker D8 ADVANCE diffractometer).
A) the employed tensio-active agent of reaction described in is polyvinylpyrrolidone, polyoxyethylene glycol or carboxylate salt.
B) simple substance of nano metal described in is a kind of or its combination among nanometer Ni, nanometer Ag and the nanometer Al, and the particle diameter of nano metal simple substance is between 30～60nm.
The pressure of high-pressure homogeneous processing B) is at 100～150MPa.
The viscosity of nanometer heat isolation paint B) is 8.2mPaS in the time of 10 ℃; Be 5.5mPaS in the time of 30 ℃; Be 3.6mPaS in the time of 50 ℃; It is 2.8mPaS (testing tool: U.S. Brookfield DV-II+Pro viscometer) in the time of 70 ℃.
The particle size distribution characteristic value D of nanometer heat isolation paint B)
50Be 90nm (testing tool: Britain Ma Erwen Nano ZS particle-size analyzer).
The present invention has prepared a kind of nanometer heat isolation paint.Nano particle is uniformly dispersed stable in coating, brushes still to keep good light transmission behind the glass table, and can significantly reduce the architecture indoor temperature summer, helps winter to keep indoor higher temperature, has significant practical value.
Advantage of the present invention and positively effect are: cost of the present invention is low, preparation technology is simple, and the Clear coating light transmission that obtains is good, and heat-proof quality is excellent; Weather resistance and abrasion resistance are good, and preferably self-cleaning is arranged, and are difficult for aging; The rete life-span is long, and good stability safeguards simply to have economic benefit and the social benefit of environmental protection and energy saving.
Embodiment
Below in conjunction with embodiment the present invention is described in detail, but present embodiment is not limited to the present invention, every employing similarity method of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
Embodiment 1:
Press each feed molar mark proportioning: nano ATO: 70; Nanometer VO
2: 30; Tetraethyl orthosilicate: 0.5; Ammoniacal liquor: 0.3; Deionized water: 6; Dehydrated alcohol: 25; Tensio-active agent: 0.10, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 5 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Ni, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 73%, and the test macro internal-external temperature difference is 3～5 degrees centigrade in the heat insulation test.
Embodiment 2:
Press each feed molar mark proportioning: nano ATO: 80; Nanometer VO
2: 20; Tetraethyl orthosilicate: 2; Ammoniacal liquor: 1.5; Deionized water: 4; Dehydrated alcohol: 80; Tensio-active agent: 0.15, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 6 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Ag, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 78%, and the test macro internal-external temperature difference is 5～8 degrees centigrade in the heat insulation test.
Embodiment 3:
Press each feed molar mark proportioning: nano ATO: 90; Nanometer VO
2: 10; Tetraethyl orthosilicate: 1.5; Ammoniacal liquor: 1.0; Deionized water: 8; Dehydrated alcohol: 80; Tensio-active agent: 0.20, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 8 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Al, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 80%, and the test macro internal-external temperature difference is 6～10 degrees centigrade in the heat insulation test.
Embodiment 4:
Press each feed molar mark proportioning: nano ATO: 80; Nanometer VO
2: 20; Tetraethyl orthosilicate: 3.0; Ammoniacal liquor: 1.8; Deionized water: 8; Dehydrated alcohol: 90; Tensio-active agent: 0.20, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 8 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Ni and Al, water, alcohol and dispersion agent successively by mechanical stirring, sonic oscillation and high-pressure homogeneous processing, are obtained the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 75%, and the test macro internal-external temperature difference is 4～7 degrees centigrade in the heat insulation test.
Embodiment 5:
Press each feed molar mark proportioning: nano ATO: 90; Nanometer VO
2: 10; Tetraethyl orthosilicate: 2.5; Ammoniacal liquor: 0.3; Deionized water: 6; Dehydrated alcohol: 15; Tensio-active agent: 0.06, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 5 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Ni and Ag, water, alcohol and dispersion agent successively by mechanical stirring, sonic oscillation and high-pressure homogeneous processing, are obtained the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 78%, and the test macro internal-external temperature difference is 3～6 degrees centigrade in the heat insulation test.
Embodiment 6:
Press each feed molar mark proportioning: nano ATO: 70; Nanometer VO
2: 30; Tetraethyl orthosilicate: 2.0; Ammoniacal liquor: 0.8; Deionized water: 5; Dehydrated alcohol: 65; Tensio-active agent: 0.15, will under 60 ℃, react 1 hour after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 7 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.Nano-oxide sosoloid behind the doping vario-property and nano metal simple substance Ni, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
Above-mentioned nanometer heat isolation paint is brushed on transparent glass, and visible light transmissivity is greater than 70%, and the test macro internal-external temperature difference is 2～4 degrees centigrade in the heat insulation test.
Claims (9)
1. nanometer heat isolation paint and preparation method thereof is characterized in that, carries out in accordance with the following steps:
A) modification of nano particle additive preparation
With Nanometer-sized Antimony-doped tindioxide (ATO) and vanadium dioxide (VO
2) carry out silicon-dioxide (SiO
2) the doping vario-property preparation, the gained modified nanoparticles is ATO/SiO
2And VO
2/ SiO
2Oxide solid solution.
B) the nano-oxide sosoloid behind the doping vario-property and nano metal simple substance, water, alcohol and dispersion agent are passed through mechanical stirring, sonic oscillation and high-pressure homogeneous processing successively, obtain the primary dispersion body.Primary dispersion body, macromolecule emulsion, coatings additive(s) successively by mechanical stirring and high-pressure homogeneous processing, are obtained nanometer heat isolation paint.
2. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof is characterized in that: the tindioxide of Nanometer-sized Antimony-doped A) (ATO) and vanadium dioxide (VO
2) particle diameter distribution is between 10～80nm.
3. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof, it is characterized in that: the preparation process of doping vario-property A) is: with nano ATO, nanometer VO
2, tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, tensio-active agent be raw material, each feed molar mark proportioning is as follows:
Nano ATO: 70～90
Nanometer VO
2: 10～30
Tetraethyl orthosilicate: 0.5～3
Ammoniacal liquor: 0.3～1.8
Deionized water: 2～8
Dehydrated alcohol: 15～90
Tensio-active agent: 0.06～0.20
To react 1 hour under 60 ℃ after tetraethyl orthosilicate, ammoniacal liquor, deionized water, dehydrated alcohol, the tensio-active agent mixing, the mass concentration that then will prepare in advance is 30% nano ATO or nanometer VO
2Deionized water solution joins in the above-mentioned reaction system, continues reaction 0.5 hour, and suction filtration, drying obtain solid mixture after taking out.Solid mixture 800 ℃ of lower calcinings 5～8 hours, is obtained nano level modified ATO/SiO
2Or VO
2/ SiO
2Oxide solid solution.
4. a kind of nanometer heat isolation paint according to claim 3 and preparation method thereof is characterized in that: nano level modified ATO/SiO
2Or VO
2/ SiO
2The X-ray diffraction of oxide solid solution detects in the collection of illustrative plates only has SnO
2(diffraction card 41-1445) or VO
2The diffraction peak of (diffraction card 43-1051) exists.Wherein, SnO
2(110) diffraction peak and (101) diffraction peak integrated intensity ratio be 1.2～1.4: 1; VO
2(011) diffraction peak and (220) diffraction peak integrated intensity ratio be 1.8～2.2: 1 (testing tool: German Brooker D8 ADVANCE diffractometer).
5. a kind of nanometer heat isolation paint according to claim 3 and preparation method thereof, it is characterized in that: reacting employed tensio-active agent is polyvinylpyrrolidone, polyoxyethylene glycol or carboxylate salt.
6. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof, it is characterized in that: the simple substance of nano metal B) is a kind of or its combination among nanometer Ni, nanometer Ag and the nanometer Al, and the particle diameter of nano metal simple substance is between 30～60nm.
7. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof, it is characterized in that: the pressure of high-pressure homogeneous processing B) is at 100～150MPa.
8. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof, it is characterized in that: the viscosity of nanometer heat isolation paint B) is 8.2mPaS in the time of 10 ℃; Be 5.5mPaS in the time of 30 ℃; Be 3.6mPaS in the time of 50 ℃; It is 2.8mPaS (testing tool: U.S. Brookfield DV-II+Pro viscometer) in the time of 70 ℃.
9. a kind of nanometer heat isolation paint according to claim 1 and preparation method thereof is characterized in that: the particle size distribution characteristic value D of nanometer heat isolation paint B)
50Be 90nm (testing tool: Britain Ma Erwen Nano ZS particle-size analyzer).
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|---|---|---|---|
| CN 201110290469 CN103013212A (en) | 2011-09-28 | 2011-09-28 | Nanometer heat insulating coating and preparation method thereof |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN 201110290469 CN103013212A (en) | 2011-09-28 | 2011-09-28 | Nanometer heat insulating coating and preparation method thereof |
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Family
ID=47962341
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602263A (en) * | 2013-12-07 | 2014-02-26 | 北京顺缘天和新材料技术有限公司 | Transparent heat-insulation energy-saving nano paint and preparation method thereof |
| CN106280956A (en) * | 2016-08-30 | 2017-01-04 | 斯卡特（北京）铝业集团有限公司 | A kind of nanometer heat isolation paint, the preparation method of heat insulating coat and heat-protecting glass |
| CN107162044A (en) * | 2017-06-23 | 2017-09-15 | 广州特种承压设备检测研究院 | A kind of compound nuclear shell structure nano powder preparation method |
| CN112521775A (en) * | 2020-12-30 | 2021-03-19 | 江南大学 | Preparation method of composite nano powder and coating for preparing anti-reflection and transparent heat-insulation coating |
| CN113130745A (en) * | 2021-04-16 | 2021-07-16 | 中国人民解放军陆军工程大学 | VO2@SiO2Nano particle filled type electric field phase change composite material and its preparation method |
| CN115124254A (en) * | 2022-08-16 | 2022-09-30 | 广东福临门世家智能家居有限公司 | Sun-proof energy-saving nano constant-temperature glass and manufacturing method thereof |
-
2011
- 2011-09-28 CN CN 201110290469 patent/CN103013212A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103602263A (en) * | 2013-12-07 | 2014-02-26 | 北京顺缘天和新材料技术有限公司 | Transparent heat-insulation energy-saving nano paint and preparation method thereof |
| CN106280956A (en) * | 2016-08-30 | 2017-01-04 | 斯卡特（北京）铝业集团有限公司 | A kind of nanometer heat isolation paint, the preparation method of heat insulating coat and heat-protecting glass |
| CN107162044A (en) * | 2017-06-23 | 2017-09-15 | 广州特种承压设备检测研究院 | A kind of compound nuclear shell structure nano powder preparation method |
| CN107162044B (en) * | 2017-06-23 | 2018-09-14 | 广州特种承压设备检测研究院 | A kind of compound nuclear shell structure nano powder preparation method |
| CN112521775A (en) * | 2020-12-30 | 2021-03-19 | 江南大学 | Preparation method of composite nano powder and coating for preparing anti-reflection and transparent heat-insulation coating |
| CN113130745A (en) * | 2021-04-16 | 2021-07-16 | 中国人民解放军陆军工程大学 | VO2@SiO2Nano particle filled type electric field phase change composite material and its preparation method |
| CN115124254A (en) * | 2022-08-16 | 2022-09-30 | 广东福临门世家智能家居有限公司 | Sun-proof energy-saving nano constant-temperature glass and manufacturing method thereof |
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Application publication date: 20130403 |