CN103602263A - Transparent heat-insulation energy-saving nano paint and preparation method thereof - Google Patents
Transparent heat-insulation energy-saving nano paint and preparation method thereof Download PDFInfo
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- CN103602263A CN103602263A CN201310667830.5A CN201310667830A CN103602263A CN 103602263 A CN103602263 A CN 103602263A CN 201310667830 A CN201310667830 A CN 201310667830A CN 103602263 A CN103602263 A CN 103602263A
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Abstract
The invention discloses a transparent heat-insulation energy-saving nano paint and a preparation method thereof, belonging to the field of functional paints. The paint is composed of a metal oxide inorganic nano water-based dispersion with optical thermal properties, a defoaming agent, a leveling agent and a diluter. The coated film formed by the paint has high reflecting power (higher than 80%) for thermal infrared rays with the wave range of 2.5-40 mu m; and therefore, the glass coated with the paint can act as a hot mirror to prevent outdoor heat radiation from entering the room so as to save the air conditioning cost in summer, and reflect most indoor heat radiation back to rooms in winter so as to ensure no indoor heat dissipation to the outside, thereby saving the heating cost.
Description
Technical field
The invention relates to field of new, relate in particular to a kind of nano material, it is a kind of nano paint of transparent heat-insulating energy-saving, be mainly used in Surface Engineering science and Surface Engineering protection field, especially in the surface protection coating technical field that requires the environment such as transparent, erosion (weather-proof, corrosion-resistant, wear-resistant), heat insulation, energy-conservation, radiation shielding, low-carbon environment-friendly.
Background technology
Make glass not only transparent but also heat insulation, be key subjects in Surface Engineering field always.The solution that appears as transparent heat-insulated problem of nano material provides new approaches.Nanoparticle is by the atom of limited quantity or molecular, original chemical property the atomic group in metastable state or the molecular grouping of maintenance material.When the dimension of material reduces, the relative proportion of its surface atom number increases, and monoatomic surface can be increased rapidly, and when reaching nanoscale, the variation of this kind of form can feed back in the structure of matter and performance, thereby demonstrates specific effect.
In residential housing, the thermal source that can exert an influence to room temp is mainly from two aspects of indoor and outdoors.In outdoor thermal source, the one, sun direct irradiation enters indoor heat energy, and this heat energy mainly concentrates on the wave band of 0.3~2.5 μ m; The 2nd, shine upon in (road surface, buildings etc.) on object, the thermal infrared radiation again radiating after being absorbed by object mainly concentrates on the wave band of 2.5~40 μ m.For the thermal source from indoor, the one, the thermal infrared radiation again radiating after the absorption solar radiations such as wall, floor furniture; The 2nd, the thermal infrared radiation producing by heating installation, stove and while making electrical appliance, both concentrates on 2.5~40 mu m wavebands.
In cold winter, people wish to obtain more direct solar radiation heat energy, and expectation reduces indoor thermal-radiating leaking again simultaneously, make indoor energy keep higher temperature; During the broiling summer, outdoor thermal infrared radiation has become main thermal source, and people wish again this part heat energy to be blocked in outdoor, to alleviate the burden of air conditioner refrigerating.The coated glass that surface scribbles transparent heat-insulated nano paint has higher reflection potential (more than 80%) to the Thermal Infra-Red of wave band 2.5~40 μ m, therefore this coated glass can be as a hot mirror, can stop summer outdoor thermal radiation to enter indoor saving air-conditioning expense, can be reflected back indoor by the indoor thermal radiation of the overwhelming majority winter again, guarantee that indoor heat does not does not scatter and disappear to outdoor, thereby save heat cost.And the thermal infrared reflectivity of simple glass is only 11%.So no matter winter or summer, monolithic simple glass all cannot reach energy-conservation object.
Summary of the invention
Defect in view of prior art, the invention proposes nano paint of a kind of transparent heat-insulating energy-saving and preparation method thereof, the excellent properties of this coating not only can be on building glass, also can be for plated film on the windshield glass of aircraft, steamer, vehicle, not only can be transparent heat-insulated, prevent in frosting on glass simultaneously, aspect building energy conservation, can make glass printing opacity intelligent, reduce to save and use air-conditioning and the electricity consumption that saves lighting.
the technical solution of the invention is:
A nano paint for transparent heat-insulating energy-saving, this coating raw material component is comprised of metal oxide inorganic nano aqueous dispersion, defoamer, flow agent, the thinner with optical characteristics.
The described inorganic aqueous dispersion of the metal oxide with optical characteristics, its composition comprises by mass percentage:
30% nanometer antimony-doped stannic oxide dispersion liquid | 10%~30% |
30% nano-indium stannum oxide dispersion liquid | 2%~10% |
Epoxy modified silicone resin | 30%~70% |
Auxiliary agent | 0.2%~1% |
Thinner | Surplus |
30% described nanometer antimony-doped stannic oxide dispersion liquid, its composition comprises by mass percentage:
Nanometer antimony-doped stannic oxide | 30% |
Silane coupling agent | 0.05%~0.8% |
75 0C~80 0The distilled water of C | Surplus |
30% described nano-indium stannum oxide dispersion liquid, its composition comprises by mass percentage:
Nano-indium stannum oxide | 30% |
Dispersion agent | 0.05%~0.8% |
Thinner | Surplus |
The described nano-oxide particle diameters such as nano-indium stannum oxide are: 10nm~50nm.
The required preparation with the inorganic aqueous Nanodispersion of metal oxide of optical characteristics of nano paint of transparent heat-insulating energy-saving, its composition comprises by mass percentage:
Nanometer antimony-doped stannic oxide dispersion liquid | 15~40% |
Nano-indium stannum oxide dispersion liquid | 5~15% |
Epoxy modified silicone resin | 30~70% |
Auxiliary agent | 1~3% |
Thinner | Surplus |
A kind of feed composition preparation of nano paint of transparent heat-insulating energy-saving, its composition comprises by weight percentage:
The metal oxide inorganic nano aqueous dispersion with optical characteristics | 55~75% |
Defoamer | 0.5~5% |
Flow agent | 0.5~5% |
Thinner | Surplus |
?described defoamer is polysiloxane-polyether copolymer emulsion type defoaming agent;
Described flow agent is organic fluorine water-based flow agent;
Described silane coupling agent be KH-540/KH-550/KH-560/KH-792/Si-550/Si-602/Si-902 any one or multiple;
Described dispersion agent is glycidyl ether oxygen propyl methyldiethoxysilane.
beneficial effect
The invention has special optical property ,Ji infrared light district and has high shielding rate, has high transmitance in visible region, has high specific absorption in ultraviolet region, also has environmental protection, the advantage such as energy-conservation, intelligent simultaneously;
The invention is aqueous dispersant, environmentally safe, and transportation, storage process is safe and reliable;
The ultraviolet shielded rate of the invention is greater than 90%, effectively prevents and reduces the injury of ultraviolet ray to skin; The invention light transmission is good, and visible light transmission reaches more than 70%, does not affect daylighting and view; The invention infrared shielding rate (2.5~40 μ m) reach 80% and more than;
Anticorrosion, anti-aging function that the invention has, reach 10 years working life and more than, and no reflection events light pollution, belongs to clean environment firendly material.
Embodiment
Below in conjunction with specific embodiment, further set forth the invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.This is to should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, and these equivalent form of values fall within the application's appended claims limited range equally.
The invention embodiment provides nano paint of a kind of transparent heat-insulating energy-saving and preparation method thereof, and this coating can be applicable to multiple occasion, reaches the effect that not only guarantees high transmission rate but also guarantee good thermal insulation.
The nano paint feed composition of a kind of transparent heat-insulating energy-saving described in the invention is comprised of the inorganic aqueous dispersion of the metal oxide nano with optical characteristics, defoamer, flow agent, thinner.
Below in conjunction with specific embodiment, the nano paint of above-mentioned a kind of transparent heat-insulating energy-saving is described further:
In the present embodiment, provide concrete three kinds of compositing formulas following (weight percent) of the nano paint of transparent heat-insulating energy-saving:
Sequence number | Name of material | Embodiment 1(%) | Embodiment 2(%) | Embodiment 3(%) |
1 | The inorganic nano aqueous dispersion of optical characteristics metal oxide | 55 | 60 | 70 |
2 | Defoamer | 0.5 | 2 | 4 |
3 | Flow agent | 1 | 3 | 5 |
4 | Thinner | Surplus | Surplus | Surplus |
The preparation method of the nano paint of a kind of transparent heat-insulating energy-saving described in the invention is described further equally in conjunction with specific embodiments:
The first step, preparation of nano antimony-doped stannic oxide dispersion liquid, the preparation method of following nanometer antimony-doped stannic oxide has adopted the method for chemical dispersion, guarantee the effective stable dispersion of nanoparticle in coating, the phenomenon that the offspring that the method has also avoided in nanometer split oven dry and forging process the effusion because of particle surface moisture to cause is reunited:
first, prepare nanometer antimony-doped stannic oxide: by appropriate pink salt, metal antimonic salt, auxiliary agent and water join and in hydrothermal reaction kettle, carry out hydro-thermal reaction, then adopt coprecipitation method to obtain after filtration product, and the product of acquisition is obtained to nanometer antimony-doped stannic oxide after washing, purifying;
then, take in proportion the nanometer antimony-doped stannic oxide of 30% weight part, appropriate silane coupling agent, surplus distilled water, be configured to 30% nanometer antimony-doped stannic oxide dispersion liquid: nanometer antimony-doped stannic oxide is added and fills 70
0c~80
0in the reactor of C distilled water, under constant temperature stirs, splash into gradually one or more in silane coupling agent KH-540/KH-550/KH-560/KH-792/Si-550/Si-602/Si-902, after being added dropwise to complete, constant temperature stirs 1 hour again, cooling discharging, is configured to the nanometer antimony-doped stannic oxide dispersion liquid through silane coupler modified solid content 30%;
Second step, preparation of nano tin indium oxide dispersion liquid: selecting particle diameter is the nano level indium dioxide tin of 10nm~50nm, join in the water that contains glycidyl ether oxygen propyl methyldiethoxysilane dispersion agent, through ultrasonic dispersing machine, disperse to make 30% nano-indium stannum oxide dispersion liquid;
The 3rd step, is equipped with epoxy modified silicone resin in addition as film-forming resin, polysiloxane-polyether copolymer emulsion type defoaming agent, organic fluorine water-based flow agent and thinner;
The 4th step, preparation has the inorganic aqueous dispersion of metal oxide nano of optical characteristics: the 30% nanometer antimony-doped stannic oxide dispersion liquid making and 30% nano-indium stannum oxide dispersion liquid are mixed with epoxy modified silicone resin, add polysiloxane-polyether copolymer emulsion type defoaming agent, organic fluorine water-based flow agent and thinner, mixing is put into dispersed with stirring in high-energy stirring mill and within 3~5 hours, is made the inorganic aqueous dispersion of metal oxide nano with optical characteristics simultaneously;
The 5th step, adds defoamer, flow agent and thinner in the inorganic aqueous dispersion of the metal oxide nano with optical characteristics of preparation, mixes and to put in high-energy stirring mill dispersed with stirring 4~10 hours, and temperature is controlled at 50~70
0c, makes the nano paint of a kind of transparent heat-insulating energy-saving described in the invention.
Above-mentioned is only preferred embodiment of the present invention, but protection scope of the present invention is not confined to this embodiment, and in the technical scope that those skilled in the art disclose in the invention, the variation that can expect and replacement, all in protection domain of the present invention.Therefore, protection domain of the present invention is as the criterion with the protection domain of claims.
Claims (11)
1. a nano paint for transparent heat-insulating energy-saving, its feed composition is comprised of metal oxide inorganic nano aqueous dispersion, defoamer, flow agent, the thinner with optical characteristics.
2. the nano paint of a kind of transparent heat-insulating energy-saving according to claim 1, is characterized in that the described inorganic aqueous dispersion of the metal oxide with optical characteristics, and its composition comprises by mass percentage:
。
3. the nano paint of a kind of transparent heat-insulating energy-saving according to claim 2, is characterized in that described 30% nanometer antimony-doped stannic oxide dispersion liquid, and its composition comprises by mass percentage:
Described silane coupling agent be KH-540/KH-550/KH-560/KH-792/Si-550/Si-602/Si-902 any one or multiple.
4. the nano paint of a kind of transparent heat-insulating energy-saving according to claim 2, is characterized in that described 30% nano-indium stannum oxide dispersion liquid, and its composition comprises by mass percentage:
Described dispersion agent is glycidyl ether oxygen propyl methyldiethoxysilane.
5. according to nano-oxide particle diameters such as claim 2, claim 3, nanometer antimony-doped stannic oxide claimed in claim 4, nano-indium stannum oxides, be: 10nm~50nm.
6. a preparation method for the nano paint of transparent heat-insulating energy-saving, comprises that first preparation has the inorganic aqueous Nanodispersion of metal oxide of optical characteristics, then prepares the nano paint of transparent heat-insulating energy-saving.
7. the preparation method of the nano paint of a kind of transparent heat-insulating energy-saving according to claim 6, is characterized in that the preparation method of the described inorganic aqueous Nanodispersion of metal oxide with optical characteristics, and its composition comprises by mass percentage:
。
8. the preparation method of the nano paint of a kind of transparent heat-insulating energy-saving according to claim 6, is characterized in that the feed composition preparation of the nano paint of described a kind of transparent heat-insulating energy-saving, and its composition comprises by weight percentage:
。
9. the preparation method of the nano paint of a kind of transparent heat-insulating energy-saving according to claim 1 and the nano paint of a kind of transparent heat-insulating energy-saving claimed in claim 8, is characterized in that described defoamer is polysiloxane-polyether copolymer emulsion type defoaming agent.
10. the preparation method of the nano paint of a kind of transparent heat-insulating energy-saving according to claim 1 and the nano paint of a kind of transparent heat-insulating energy-saving claimed in claim 8, is characterized in that described flow agent is organic fluorine water-based flow agent.
The preparation method of the nano paint of 11. a kind of transparent heat-insulating energy-savings according to claim 6, is characterized in that its preparation process is:
The first step, the nanometer antimony-doped stannic oxide dispersion liquid of preparation 30%, the preparation method of following nanometer antimony-doped stannic oxide has adopted the method for chemical dispersion, guarantee the effective stable dispersion of nanoparticle in coating, the phenomenon that the offspring that the method has also avoided in nanometer split oven dry and forging process the effusion because of particle surface moisture to cause is reunited:
first, prepare nanometer antimony-doped stannic oxide: by appropriate pink salt, metal antimonic salt, auxiliary agent and water join and in hydrothermal reaction kettle, carry out hydro-thermal reaction, then adopt coprecipitation method to obtain after filtration product, and the product of acquisition is obtained to nanometer antimony-doped stannic oxide after washing, purifying;
then, take in proportion the nanometer antimony-doped stannic oxide of 30% weight part, appropriate silane coupling agent, surplus distilled water, be configured to 30% nanometer antimony-doped stannic oxide dispersion liquid: nanometer antimony-doped stannic oxide is added and fills 70
0c~80
0in the reactor of C distilled water, under constant temperature stirs, splash into gradually one or more in silane coupling agent KH-540/KH-550/KH-560/KH-792/Si-550/Si-602/Si-902, after being added dropwise to complete, constant temperature stirs 1 hour again, cooling discharging, is configured to the nanometer antimony-doped stannic oxide dispersion liquid through silane coupler modified solid content 30%;
Second step, the nano-indium stannum oxide dispersion liquid of preparation 30%: selecting particle diameter is the nano level indium dioxide tin of 10nm~50nm, join in the water that contains glycidyl ether oxygen propyl methyldiethoxysilane dispersion agent, through ultrasonic dispersing machine, disperse to make 30% nano-indium stannum oxide dispersion liquid;
The 3rd step, is equipped with epoxy modified silicone resin in addition as film-forming resin, polysiloxane-polyether copolymer emulsion type defoaming agent, organic fluorine water-based flow agent and thinner;
The 4th step, preparation has the inorganic aqueous dispersion of metal oxide nano of optical characteristics: the 30% nanometer antimony-doped stannic oxide dispersion liquid making and 30% nano-indium stannum oxide dispersion liquid are mixed with epoxy modified silicone resin, add polysiloxane-polyether copolymer emulsion type defoaming agent, organic fluorine water-based flow agent and thinner, mixing is put into dispersed with stirring in high-energy stirring mill and within 3~5 hours, is made the inorganic aqueous dispersion of metal oxide nano with optical characteristics simultaneously;
The 5th step, adds defoamer, flow agent and thinner in the inorganic aqueous dispersion of the metal oxide nano with optical characteristics of preparation, mixes and to put in high-energy stirring mill dispersed with stirring 4~10 hours, and temperature is controlled at 50~70
0c, makes the nano paint of a kind of transparent heat-insulating energy-saving described in the invention.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104608635A (en) * | 2014-12-04 | 2015-05-13 | 苏州欣航微电子有限公司 | Waterproof and heat-insulating liquid crystal instrument of motorcycle |
CN105860724A (en) * | 2016-05-06 | 2016-08-17 | 安徽和润特种玻璃有限公司 | Transparent stain-resistant ageing-resistant thermal-insulation anti-dazzle glass coating |
CN106634294A (en) * | 2016-11-04 | 2017-05-10 | 深圳市兆新能源股份有限公司 | Waterborne peelable transparent heat-insulating glass coating and a preparing method thereof |
CN108822660A (en) * | 2018-05-29 | 2018-11-16 | 芜湖市元奎新材料科技有限公司 | Insulating mold coating of transparent glass and preparation method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104608635A (en) * | 2014-12-04 | 2015-05-13 | 苏州欣航微电子有限公司 | Waterproof and heat-insulating liquid crystal instrument of motorcycle |
CN105860724A (en) * | 2016-05-06 | 2016-08-17 | 安徽和润特种玻璃有限公司 | Transparent stain-resistant ageing-resistant thermal-insulation anti-dazzle glass coating |
CN106634294A (en) * | 2016-11-04 | 2017-05-10 | 深圳市兆新能源股份有限公司 | Waterborne peelable transparent heat-insulating glass coating and a preparing method thereof |
CN108822660A (en) * | 2018-05-29 | 2018-11-16 | 芜湖市元奎新材料科技有限公司 | Insulating mold coating of transparent glass and preparation method thereof |
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Application publication date: 20140226 |