CN103073965A - Novel nano transparent heat insulation coating - Google Patents
Novel nano transparent heat insulation coating Download PDFInfo
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- CN103073965A CN103073965A CN201210480051XA CN201210480051A CN103073965A CN 103073965 A CN103073965 A CN 103073965A CN 201210480051X A CN201210480051X A CN 201210480051XA CN 201210480051 A CN201210480051 A CN 201210480051A CN 103073965 A CN103073965 A CN 103073965A
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Abstract
The invention discloses a novel nano transparent heat insulation coating, which takes water-soluble acrylic resin as a film forming matter, the nano transparent heat insulation coating prepared by a carbon nano tube is added, a preparation technology is simple and easy to be operated, the prepared nano transparent heat insulation coating has excellent transparent performance, insulation performance and other general performances, and can be widely used in various fields.
Description
Technical field
The present invention relates to a kind of thermal insulating coating, particularly a kind ofly adopt nano-material modified transparent heat insulating dope.
Background technology
Concerning buildings, window becomes the passage of heat turnover, and the thermal radiation of sunlight sees through window to heating indoor, will increase the thermal load of air-conditioning.For save energy, people have taked various measures to solve the heat-insulating problem of glass.At present, mainly adopt metal and oxide coating thereof or heat reflection pad pasting to be used for the heat insulation of glass.But these products all are to adopt physical method such as magnetron sputtering method, vacuum vapour deposition, sol-gel method etc. will have the metal of reflection or effect of heat insulation or non-metallic material (such as Ag, Au, SnO usually
2, ZnO, TiO
2, ATO, ITO etc.) directly be plated on glass or the polymeric film surface is made, processing condition are difficult to control, facility investment is large, cost is high, and also supervenes " light pollution ", is difficult to accomplish large scale application.
Based on the fast development of Materials science and nanotechnology, transparent heat-insulated nano paint will be expected to replace this expensive Coating Materials cheaply.Transparent heat-insulated nano paint refers to a kind of sunlight is had good spectral selectivity and has the coating of a phase size between 1～100nm at least, namely this coating has good permeability to visible light, and near infrared or UV-light are had good reflection, obstruct or sorption.This coating is imposed on the window of buildings, neither can affect indoor daylighting, and can suitably reduce air conditioner load, reach energy-conservation purpose, this has great importance to alleviating the critical Sustainable development with keeping society of the energy.
At present, the research of relevant transparent heat-insulated nano paint mainly concentrates on the countries such as U.S., Japan and Korea S., and announce mainly with the patent form greatly, the emphasis of research mainly still concentrates on the selecting party of inorganic functional material and looks like the ITO(tin indium oxide), the ATO(antimony oxidation tin) and stannic oxide etc.Nanophase Technologies Corporation is with semiconductor nano material (ITO, ATO, ZnO, A l
2O
3, TiO
2) at first make water-based or the solvent-borne type slurry of stable dispersion, and then be applied in the coating, make multi-functional nano paints such as having heat insulation, wear-resisting, ultraviolet shielded and isolated infrared rays, and be widely used in a plurality of fields.When the preparation Transparent abrasion resistant nanometric coatings, first with nanometer A l
2O
3In water, disperse to make 35% wet pulp, after high-speed stirring is disperseed, disperse with ultrasonic wave again, supernatant liquor is got in subsequently centrifugation, add surface treatment liquid 3-glycidyl ether oxygen propyl trimethoxy silicane (GPTS), tetraethoxy (TEOS), dimethoxydiphenylsilane, trimethylethoxysilane, dehydrated alcohol, dilute hydrochloric acid, high speed dispersion makes stable nanometer A l
2O
3Then slurry is mixed and made into Transparent abrasion resistant nanometric coatings with the water-based terpolycyantoamino-formaldehyde resin.
Domestic, the research of relevant nano transparent insulating coating is started late, and mainly concentrates at present some scientific research institutions.Zhao of Nanjing University of Technology stone forest etc. has been studied and has contained nano-TiO
2, ATO, ITO transparent heat insulating dope, and obtained certain achievement.The research of relevant nanometer heat isolation paint, the present domestic laboratory study that only limits to, the end is seen industrialized report.
Summary of the invention
The objective of the invention is the defective for prior art, a kind of the have higher transparency and significant effect of heat insulation are provided, every traditional performance is good simultaneously, and production technique is simple, widely used novel nano transparent heat insulating dope.
In order to realize above goal of the invention, the present invention by the following technical solutions: a kind of novel nano transparent heat insulating dope comprises the component of following mass fraction: 100 parts of water-borne acrylic resins; 20～30 parts of nanometer titanium dioxide silica aerogels; 10～20 parts of carbon nanotubes; 30～40 parts of solvents; 1～5 part of auxiliary agent.
Described nanometer titanium dioxide silica aerogel median size is at 100nm.
Described carbon nanotube is multi-walled carbon nano-tubes, and the external diameter scope is 10～20nm, and length is 5～50 μ m, adopts the strong acid oxide treatment.
Described solvent is the mixed solvent of dipropylene glycol methyl ether and dipropylene glycol butyl ether.
Described auxiliary agent is defoamer, flow agent, thickening material, solidifying agent, wetting agent and dispersion agent.
Aerosil is a kind of porous medium amorphous material with random three-dimensional network shape skeleton structure, and it is the present solid material of the minimum and thermal conductivity minimum of density in the world, and density can be low to moderate 0. 002 g/cm
3, room temperature Vacuum Heat conductance can reach 0. 001 W/ (mK), has again the characteristics such as high-specific surface area, large pore volume, low acoustic impedance simultaneously, can be widely used in high temperature insulating material.Utilize SiO
2Aerogel has unique nanostructure and to the selectivity characteristic of solar spectrum, with SiO
2Aerogel is main stuffing, utilize suitable stablizer that it is uniformly dispersed and make slurry, selecting water-borne acrylic resin is film forming matter, the two is mixed with other auxiliary agents make water transparent heat insulation paint, be applied to the glass surface of buildings, under the prerequisite that does not change the glass light transmission, effectively shield infrared emanation and intercept ultraviolet ray.
Carbon nanotube has the excellent performances such as mechanics, optics, electricity and Chu Qing, has broad application prospects.After carbon nanotube and polymer were compound, mechanical property and electric property all were improved, and can be used as high-strength material and antistatic material etc.; Carbon nanotube is modified by the physics and chemistry method, can produce excellent physics, chemistry and biological property.The heat conduction of carbon nanotube technical ability can be played heat-blocking action again, thereby becomes the quality matetrial of making insulation protection film.
Major advantage of the present invention: take water-borne acrylic resin as film forming matter, the nano transparent insulating coating that adds the carbon nanotube preparation, the simple easy handling of preparation technology not only, and the transparent heat insulating dope properties of transparency that makes is excellent, heat-proof quality is excellent, and other every traditional performances are excellent, can be widely used in a plurality of fields.
Embodiment
The present invention is further illustrated below by embodiment.
Embodiment one:
Prepare raw material by following mass fraction: 100 parts of water-borne acrylic resins; 20 parts of nanometer titanium dioxide silica aerogels; 10 parts of carbon nanotubes; Dipropylene glycol methyl ether part 20; 10 parts of dipropylene glycol butyl ether; 0.5 part of defoamer; 0.5 part of flow agent; 0.5 part of thickening material; 1 part in solidifying agent; 2 parts of wetting agents; 0.5 part of dispersion agent.
Embodiment two:
Prepare raw material by following mass fraction: 100 parts of water-borne acrylic resins; 30 parts of nanometer titanium dioxide silica aerogels; 20 parts of carbon nanotubes; Dipropylene glycol methyl ether part 15; 25 parts of dipropylene glycol butyl ether; 1 part of defoamer; 0.1 part of flow agent; 1 part of thickening material; 0.2 part in solidifying agent; 0.3 part of wetting agent; 1 part of dispersion agent.
Embodiment three:
Prepare raw material by following mass fraction: 100 parts of water-borne acrylic resins; 25 parts of nanometer titanium dioxide silica aerogels; 12 parts of carbon nanotubes; Dipropylene glycol methyl ether part 10; 20 parts of dipropylene glycol butyl ether; 0.5 part of defoamer; 0.3 part of flow agent; 0.2 part of thickening material; 0.5 part in solidifying agent; 1 part of wetting agent; 0.1 part of dispersion agent.
Embodiment four:
Prepare raw material by following mass fraction: 100 parts of water-borne acrylic resins; 28 parts of nanometer titanium dioxide silica aerogels; 15 parts of carbon nanotubes; Dipropylene glycol methyl ether part 5; 30 parts of dipropylene glycol butyl ether; 1 part of defoamer; 0.2 part of flow agent; 0.5 part of thickening material; 1 part in solidifying agent; 0.2 part of wetting agent; 1 part of dispersion agent.
Just carbon nanotube adds in the mixed solution of the vitriol oil of volume ratio 3:1 and concentrated nitric acid, supersound process 30min, with deionized water to neutral, dry 24h in 80 ℃ of baking ovens;
Tell dispersing and mixing even dispersion agent, wetting agent and deionized water, add the nanometer titanium dioxide silica aerogel, low speed is uniformly dispersed, and regulates the pH value 8.5～9.5, supersound process 1h, and speed lapping 2h on shredder obtains nanometer titanium dioxide silica aerogel slurry;
Water-borne acrylic resin, nanometer titanium dioxide silica aerogel slurry, the carbon nanotube of processing, defoamer, flow agent, thickening material, solidifying agent and solvent are mixed under dispersion machine, namely get thermal insulating coating.
By the spectrometry of filming, the visible region percent of pass that spreads upon 400～760nm is very high, is up to 81%; Transmitance is very low in the near-infrared region of 760～2500nm.The highest by 18%; Less than 400 ultraviolet region, the specific absorption of filming is very high, reaches 89%.Illustrate that nano transparent insulating coating has selectivity to sunlight, can absorb UV-light, see through visible light, intercept the excellent properties of infrared light.
The heat-proof quality test of filming shows, has been coated with the steathily glass of rice thermal insulating coating of nanometer, and at tungsten-iodine lamp irradiation 30min, the temperature of both sides differs 18 ℃, is higher than the glass both sides temperature head of not filming, and illustrates that the nano transparent insulating coating heat-proof quality is excellent.
Other traditional performance test results show that the nano transparent insulating coating performance does not reduce.
As seen take water-borne acrylic resin as film forming matter, the nano transparent insulating coating that adds the carbon nanotube preparation, the simple easy handling of preparation technology not only, and the transparent heat insulating dope properties of transparency that makes is excellent, heat-proof quality is excellent, and other every traditional performances are excellent, can be widely used in a plurality of fields.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (5)
1. novel nano transparent heat insulating dope is characterized in that comprising the component of following mass fraction: 100 parts of water-borne acrylic resins; 20～30 parts of nanometer titanium dioxide silica aerogels; 10～20 parts of carbon nanotubes; 30～40 parts of solvents; 1～5 part of auxiliary agent.
2. novel nano transparent heat insulating dope according to claim 1, it is characterized in that: described nanometer titanium dioxide silica aerogel median size is at 100nm.
3. novel nano transparent heat insulating dope according to claim 1, it is characterized in that: described carbon nanotube is multi-walled carbon nano-tubes, and the external diameter scope is 10～20nm, and length is 5～50 μ m, adopts the strong acid oxide treatment.
4. novel nano transparent heat insulating dope according to claim 1, it is characterized in that: described solvent is the mixed solvent of dipropylene glycol methyl ether and dipropylene glycol butyl ether.
5. novel nano transparent heat insulating dope according to claim 1, it is characterized in that: described auxiliary agent is defoamer, flow agent, thickening material, solidifying agent, wetting agent and dispersion agent.
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|---|---|---|---|
| CN201210480051XA CN103073965A (en) | 2012-11-23 | 2012-11-23 | Novel nano transparent heat insulation coating |
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| CN201210480051XA CN103073965A (en) | 2012-11-23 | 2012-11-23 | Novel nano transparent heat insulation coating |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555039A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) film surface nano coating |
| CN103555015A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | Preparation method of EVA adhesive film surface nano paint |
| CN103555040A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | EVA adhesive film surface nano paint |
| CN103881506A (en) * | 2014-03-19 | 2014-06-25 | 湖州百胜涂料有限公司 | Antiaging nano composite thermal-insulation paint and preparation method thereof |
| CN104804568A (en) * | 2015-04-21 | 2015-07-29 | 赵志海 | Sun-proof thermal insulation coating |
| CN105647250A (en) * | 2016-03-21 | 2016-06-08 | 苏州天键衡电子信息科技有限公司 | Ship heat insulation coating |
| CN106830870A (en) * | 2017-03-05 | 2017-06-13 | 江苏华盛节能科技有限公司 | A kind of aerosil insulation material and preparation method thereof |
| CN106975729A (en) * | 2017-03-07 | 2017-07-25 | 宁波麦克潘特电动工具有限公司 | A kind of lost-wax casting method of drill bit |
| CN107266996A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of transparent heat-insulated thermal insulation coatings of silicon oxide-containing aeroge and preparation method thereof |
| CN111323954A (en) * | 2020-04-07 | 2020-06-23 | 天津水木厚德科技发展有限责任公司 | Manufacturing method of electric control energy-saving interlayer dimming glass and electric control energy-saving interlayer dimming glass |
| CN111522168A (en) * | 2020-04-07 | 2020-08-11 | 天津水木厚德科技发展有限责任公司 | Manufacturing method of electric control energy-saving interlayer dimming glass |
| CN112961545A (en) * | 2021-03-23 | 2021-06-15 | 上海涂固安高科技有限公司 | Glass heat-preservation and heat-insulation coating liquid formula |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555039A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | EVA (ethylene-vinyl acetate) film surface nano coating |
| CN103555015A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | Preparation method of EVA adhesive film surface nano paint |
| CN103555040A (en) * | 2013-11-01 | 2014-02-05 | 苏州泰科尼光伏材料有限公司 | EVA adhesive film surface nano paint |
| CN103881506A (en) * | 2014-03-19 | 2014-06-25 | 湖州百胜涂料有限公司 | Antiaging nano composite thermal-insulation paint and preparation method thereof |
| CN103881506B (en) * | 2014-03-19 | 2015-11-18 | 湖州百胜涂料有限公司 | Nano combined thermal insulating coating of a kind of aging-resistant and preparation method thereof |
| CN104804568A (en) * | 2015-04-21 | 2015-07-29 | 赵志海 | Sun-proof thermal insulation coating |
| CN105647250A (en) * | 2016-03-21 | 2016-06-08 | 苏州天键衡电子信息科技有限公司 | Ship heat insulation coating |
| CN107266996A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of transparent heat-insulated thermal insulation coatings of silicon oxide-containing aeroge and preparation method thereof |
| CN107266996B (en) * | 2016-04-08 | 2020-10-30 | 南京唯才新能源科技有限公司 | Transparent heat-insulation coating containing silica aerogel and preparation method thereof |
| CN106830870A (en) * | 2017-03-05 | 2017-06-13 | 江苏华盛节能科技有限公司 | A kind of aerosil insulation material and preparation method thereof |
| CN106975729A (en) * | 2017-03-07 | 2017-07-25 | 宁波麦克潘特电动工具有限公司 | A kind of lost-wax casting method of drill bit |
| CN106975729B (en) * | 2017-03-07 | 2019-05-24 | 宁波麦克潘特电动工具有限公司 | A kind of lost-wax casting method of drill bit |
| CN111323954A (en) * | 2020-04-07 | 2020-06-23 | 天津水木厚德科技发展有限责任公司 | Manufacturing method of electric control energy-saving interlayer dimming glass and electric control energy-saving interlayer dimming glass |
| CN111522168A (en) * | 2020-04-07 | 2020-08-11 | 天津水木厚德科技发展有限责任公司 | Manufacturing method of electric control energy-saving interlayer dimming glass |
| CN112961545A (en) * | 2021-03-23 | 2021-06-15 | 上海涂固安高科技有限公司 | Glass heat-preservation and heat-insulation coating liquid formula |
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Application publication date: 20130501 |