CN103184005A - Heat insulation coating and preparation method thereof - Google Patents
Heat insulation coating and preparation method thereof Download PDFInfo
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- CN103184005A CN103184005A CN2013100910943A CN201310091094A CN103184005A CN 103184005 A CN103184005 A CN 103184005A CN 2013100910943 A CN2013100910943 A CN 2013100910943A CN 201310091094 A CN201310091094 A CN 201310091094A CN 103184005 A CN103184005 A CN 103184005A
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Abstract
The invention discloses a heat insulation coating which comprises 0.5-5 parts of nano rare earth hexaboride, 0-5 parts of nano-TiO2, 5-20 parts of transparent nano powder, 0.5-5 parts of an auxiliary, 20-65 parts of a solvent and 25-65 parts of a binding agent. Simultaneously, the invention further discloses a preparation method of the heat insulation coating. The method comprises the steps as follow: vacuum-drying the nano rare earth hexaboride and the transparent nano powder; adding the dried nano rare earth hexaboride and the dried transparent nano powder into the solvent to prepare a primary dispersion liquid; adding the nano-TiO2 into the primary dispersion liquid, and placing the primary dispersion liquid into a ball mill for ball milling to obtain a secondary dispersion liquid; and mixing the secondary dispersion liquid with the binding agent, stirring the mixture to be uniform, and curing the mixture to obtain the transparent heat insulation coating. Compared with the prior art, the heat insulation coating has high light transmittance in a visible light area and excellent insulation ability to the infrared light area, and is good in weather ability, hardness and construction performance and lower in cost.
Description
Technical field
The present invention relates to the chemistry painting industry technical field, particularly relate to a kind of thermal insulating coating and preparation method thereof.
Background technology
Since half a century, along with a large amount of exploitations of world's Nonrenewable resources oil, colliery, Sweet natural gas equal energy source, after the energy dilemma that has especially experienced 2004, people more pay much attention to save energy and reduce the cost.In the face of the sternness threat of global warming, building energy conservation is the important topic that countries in the world face, and has become an urgent demand and the development trend in epoch.About 42,000,000,000 square metres of China's existing building, 95% is the high energy consumption building, existing building has accounted for Chinese total energy consumption more than 25%.And constitute the indoor thermal environment of buildings, not only from absorption and the conduction of body of wall, roofing heat, also have the thermal radiation from transparent materials such as glass door and windows.Especially in summer, see through the solar heat in the glass door and window inlet chamber, not only directly increased indoor heat and strengthened air conditioner load, and increased emission of carbon-dioxide indirectly.Have data to show, the caloric receptivity of its glass door and window accounts for more than 40% of whole fabric structure heat, that is to say, the heat absorption power consumption of glass of building door and window has accounted for Chinese total energy consumption more than 10%.Therefore, the heat-insulating technique of glass door and window is the most important thing that realizes the building energy-saving consumption reduction, reduces carbon emission, is scientific and technological revolution and the progress again of complying with " low-carbon (LC) " development.
For energy-conservation, those skilled in the art have carried out studying widely and exploring, successively be developed into energy-conservation products such as metal coating heat-protecting glass, vacuum glass, pad pasting glass, but also there are some problems in these products, and subject matter is to have limited its range of application in the opacity of visible region and high-reflectivity.Transmitance is low, effect of heat insulation is not good, and processing condition control is complicated and expensive, and for example, the cost of pad pasting glass is tens times of simple glass, and this has just greatly limited the application of energy-conserving product.In recent years, along with the continuous development of nanotechnology research, nano transparent insulating coating, the nanometer transparent thermal resistance radiative recombination coating of nano material has appearred.Thermal insulating coating possesses the advantage that preparation technology is simple, transmittance is high, so thermal insulating coating is studied widely.But existing thermal insulating coating still exists some problems, as problem such as price comparison costliness, the heat-proof quality of existing thermal insulating coating be not satisfactory.
Therefore, how to provide a kind of thermal insulating coating and preparation method thereof, can solve problems such as price comparison costliness, the heat-proof quality of existing thermal insulating coating be not satisfactory, become one of problem that those skilled in the art need solve.
Summary of the invention
The objective of the invention is to, a kind of thermal insulating coating and preparation method thereof is provided, can prepare at visible region has high transmittance, there is the thermal insulating coating of excellent rejection rate in the infrared light district, and described thermal insulating coating has better weather, hardness, application property and than lower production cost.
For solving the problems of the technologies described above, the invention provides a kind of thermal insulating coating, comprising:
Further, in described thermal insulating coating, described nano rare earth hexaboride is one or more the combination in lanthanum hexaborane, six cerium borides, praseodymium boride, neodymium hexaboride, six boronation promethiums, six samarium borides, europium boride, six boronation gadoliniums, six terbium borides, six dysprosium boride, six boronation holmiums, six boronation erbiums, six thulium borides, six ytterbium borides or the six boronation lutetiums.
Further, in described thermal insulating coating, the median size of described nano rare earth hexaboride is 50nm-100nm.
Further, in described thermal insulating coating, the median size of described nano titanium oxide is 50nm-100nm.
Further, in described thermal insulating coating, described transparent nano powder is one or more the combination in tin indium oxide, tin-antiomony oxide or the zinc oxide aluminum.
Further, in described thermal insulating coating, the median size of described transparent nano powder is 50nm-100nm.
Further, in described thermal insulating coating, described auxiliary agent comprises coupling agent, dispersion agent.
Further, in described thermal insulating coating, described coupling agent is silane coupling agent, and described dispersion agent is alkane hydroxylammonium salts and trolamine.
Further, in described thermal insulating coating, described solvent is one or more the combination in dehydrated alcohol, ethyl acetate, toluene, dimethylbenzene, Virahol, propyl alcohol, propyl carbinol, ethylene glycol or the ethylene glycol monomethyl ether.
Further, in described thermal insulating coating, described binding agent is transparent polyurethane resin, transparent fluorocarbon resin, transparent silicon resinoid or the molten transparent resin of inorganic alkoxide.
According to another side of the present invention, the present invention also provides a kind of preparation method of thermal insulating coating, comprising:
1) respectively the nano rare earth hexaboride of 0.5-5 part and the transparent nano powder of 5-20 part are carried out vacuum-drying;
2) dried described nano rare earth hexaboride and transparent nano powder added in the solvent of 20-65 part, add the coupling agent of 0.1-2 part again to mixing solutions, and the pH value of regulating mixing solutions is 8-9 that ultra-sonic dispersion makes primary dispersion liquid;
3) drip the dispersion agent of 0.2-5 part in the described primary dispersion liquid, and the nano titanium oxide that adds 0-5 part, put into the ball mill ball milling again, obtain the secondary dispersion liquid;
4) binding agent with described secondary dispersion liquid and 25-65 part mixes, and stirs, and slaking obtains described thermal insulating coating.
Compared with prior art, the invention provides thermal insulating coating and preparation method thereof has the following advantages:
Thermal insulating coating provided by the invention and preparation method thereof, this thermal insulating coating comprises the nano rare earth hexaboride of 0.5-5 part, the nano titanium oxide of 0-5 part, the transparent nano powder of 5-20 part, the auxiliary agent of 0.5-5 part, solvent and 25-65 part binding agent of 20-65 part, compared with prior art, described thermal insulating coating has high transmittance, there is excellent rejection rate in the infrared light district at visible region, thereby prevent thermal radiation, and described thermal insulating coating have better weather, hardness, application property and lower production cost.
Embodiment
To be described in more detail thermal insulating coating of the present invention and preparation method thereof below, wherein represent the preferred embodiments of the present invention, and should be appreciated that those skilled in the art can revise the present invention described here, and still realize advantageous effects of the present invention.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as limitation of the present invention.
For clear, whole features of practical embodiments are not described.In the following description, be not described in detail known function, composition and step, the confusion because they can make the present invention owing to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example according to relevant system or relevant commercial restriction, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but only be routine work to those skilled in the art.
Core concept of the present invention is, a kind of thermal insulating coating is provided, and described thermal insulating coating comprises the nano rare earth hexaboride of 0.5-5 part, the nano titanium oxide (TiO of 0-5 part
2), the transparent nano powder of 5-20 part, the auxiliary agent of 0.5-5 part, solvent and 25-65 part binding agent of 20-65 part, compared with prior art, described thermal insulating coating has high transmittance, there is excellent rejection rate in the infrared light district at visible region, and described thermal insulating coating weathering resistance, hardness, have good workability, cost is lower.
Wherein, described nano rare earth hexaboride accounts for 0.5-5 part in described thermal insulating coating, for example 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts etc., specifically the requirement to visible light transmissivity and infrared barrier rate determines according to described thermal insulating coating.Described nano rare earth hexaboride can be one or more the combination in lanthanum hexaborane, six cerium borides, praseodymium boride, neodymium hexaboride, six boronation promethiums, six samarium borides, europium boride, six boronation gadoliniums, six terbium borides, six dysprosium boride, six boronation holmiums, six boronation erbiums, six thulium borides, six ytterbium borides or the six boronation lutetiums, but described nano rare earth hexaboride is not limited to top listed rare-earth hexboride compound, so long as have the rare-earth hexboride compound of infrared barrier function, also within thought range of the present invention.Preferable, the median size of described nano rare earth hexaboride is 50nm-100nm, for example 60nm, 70nm, 80nm, 90nm etc., when the median size of described nano rare earth hexaboride is 50nm-100nm, in described solvent, have dispersed preferably, thereby can improve visible light transmissivity and the infrared barrier rate of described thermal insulating coating, but the median size of described nano rare earth hexaboride is not limited to be 50nm-100nm, as long as described nano rare earth hexaboride is evenly dispersed in the described solvent, also within thought range of the present invention.
Described nano titanium oxide accounts for 0-5 part in described thermal insulating coating, for example 0.5 part, 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts etc., specifically the requirement to visible light transmissivity and infrared barrier rate determines according to described thermal insulating coating, described nano titanium oxide can cooperate infrared barrier rate and the visible light transmissivity that reaches better with described transparent nano powder with described nano rare earth hexaboride, but also can not add described nano titanium oxide.The median size of described nano titanium oxide is 50nm-100nm, for example 60nm, 70nm, 80nm, 90nm etc., when the median size of described nano titanium oxide is 50nm-100nm, in described solvent, have dispersed preferably, thereby can improve visible light transmissivity and the infrared barrier rate of described thermal insulating coating, but the median size of described nano titanium oxide is not limited to be 50nm-100nm, as long as described titanium dioxide is evenly dispersed in the described solvent, also within thought range of the present invention.
Preferable, described transparent nano powder is tin indium oxide, the combination of one or more in tin-antiomony oxide or the zinc oxide aluminum, tin indium oxide (ITO), tin-antiomony oxide (ATO) or zinc oxide aluminum (ZAO) all have visible light transmissivity preferably in described solvent, can make described thermal insulating coating have visible light transmissivity preferably, because the infrared barrier rate of tin indium oxide is better, so transparent nano powder described in the following embodiment all is example with the tin indium oxide, but tin-antiomony oxide or zinc oxide aluminum etc. have the transparent nano powder of visible light transmissivity preferably, also within thought range of the present invention.The median size of described transparent nano powder is 50nm-100nm, for example 60nm, 70nm, 80nm, 90nm etc., when the median size of described transparent nano powder is 50nm-100nm, in described solvent, have dispersed preferably, thereby can improve visible light transmissivity and the infrared barrier rate of described thermal insulating coating, but the median size of described transparent nano powder is not limited to be 50nm-100nm, as long as described transparent nano powder is evenly dispersed in the described solvent, also within thought range of the present invention.
Preferable, described auxiliary agent comprises coupling agent, dispersion agent, can improve the dispersivenesses of inorganic nanometer powder in described solvent such as described nano rare earth hexaboride, described nano titanium oxide and described transparent nano powder.Preferably, described coupling agent is silane coupling agent, described dispersion agent is alkane hydroxylammonium salts and trolamine, can make described nano rare earth hexaboride, inorganic nanometer powders such as described nano titanium oxide and described transparent nano powder are dispersed in the described solvent well, but described coupling agent is not limited to be silane coupling agent, described dispersion agent is not limited to be alkane hydroxylammonium salts and trolamine, for example, but described coupling agent is not limited to be silane coupling agent, can also be metatitanic acid ammonium salt ester coupling agent, described dispersion agent is not limited to be alkane hydroxylammonium salts and trolamine, can also be the polycarboxylic acid dispersion agent, inorganic nanometer powder is dispersed in the described solvent well, all within thought range of the present invention.
Preferable, described solvent is one or more the combination in dehydrated alcohol, ethyl acetate, toluene, dimethylbenzene, Virahol, propyl alcohol, propyl carbinol, ethylene glycol or the ethylene glycol monomethyl ether, can dissolve each other with described binding agent.
Preferably, described binding agent is the transparent polyurethane resin, transparent fluorocarbon resin, transparent resins such as transparent silicon resinoid or the molten transparent resin of inorganic alkoxide, the transparent polyurethane resin, transparent fluorocarbon resin, transparent resins such as transparent silicon resinoid or the molten transparent resin of inorganic alkoxide have visible light transmissivity preferably, but described binding agent is not limited to be the transparent polyurethane resin, transparent fluorocarbon resin, transparent resins such as transparent silicon resinoid or the molten transparent resin of inorganic alkoxide, as Resins, epoxy or optics of liquids clear binder (LOCA) etc., also has visible light transmissivity preferably, also within thought range of the present invention.
In conjunction with above-mentioned core concept, the present invention also provides a kind of preparation method of thermal insulating coating, comprising:
1) respectively the nano rare earth hexaboride of 0.5-5 part and the transparent nano powder of 5-20 part are carried out vacuum-drying, wherein drying temperature and time of drying do not do concrete restriction, preferable, drying temperature is 40 ℃～100 ℃, and be 1h～10h time of drying;
2) dried described nano rare earth hexaboride and transparent nano powder are added in the solvent of 20-65 part, form mixing solutions, the coupling agent that adds 0.1-2 part again to described mixing solutions, and the pH value of regulating mixing solutions is 8-9, can add weak base adjusting pH values such as ammoniacal liquor, ultra-sonic dispersion 1 hour-4 hours makes primary dispersion liquid, but the time of ultra-sonic dispersion is not done concrete restriction, as long as can make described nano rare earth hexaboride and transparent nano powder at described solvent dispersion evenly;
3) drip the dispersion agent of 0.2-5 part in the described primary dispersion liquid, and the nano titanium oxide that adds 0-5 part, described primary dispersion liquid was put into the ball mill ball milling more than 4 hours, obtain the secondary dispersion liquid, but the time of ball milling is not done concrete restriction, as long as can make inorganic nanometer powder at described solvent dispersion evenly;
4) binding agent with described secondary dispersion liquid and 25-65 part mixes, and stirs, and slaking 1 minute-20 minutes obtain transparent thermal insulating coating, but the time of slaking is not done concrete restriction.
Below enumerate several embodiment of described thermal insulating coating and preparation method thereof, to clearly demonstrate content of the present invention, will be clear that, content of the present invention is not restricted to following examples, and the improvement of other routine techniques means by those of ordinary skills is also within thought range of the present invention.
[first embodiment]
This first embodiment is the comparative example, does not add described nano rare earth hexaboride in the described thermal insulating coating, but does not add described nano titanium oxide.
At first, carry out step 1), 20 parts transparent nano powders are carried out vacuum-drying, wherein, drying temperature is 50 ℃, and be 2h time of drying.
Then, carry out step 2), in the solvent with 35 parts of dried described transparent nano powder addings, form mixing solutions, the silane coupling agent KH-570 that adds 0.5 part again to described mixing solutions, and the pH value that dropping ammonia is regulated mixing solutions is 8-9, and ultra-sonic dispersion 6 hours makes primary dispersion liquid.
Subsequently, carry out step 3), drip 1 part BYK-180 and 0.5 part trolamine in the described primary dispersion liquid, and after adding 1 part nano titanium oxide, described primary dispersion liquid was put into the ball mill ball milling 5 hours, obtain the secondary dispersion liquid.
At last, carry out step 4), the binding agent of described secondary dispersion liquid and 42 parts is mixed, stir, slaking 5 minutes obtains transparent thermal insulating coating.
[second embodiment]
Adding described nano rare earth hexaboride in the described thermal insulating coating of this second embodiment is the nanometer praseodymium boride.
At first, carry out step 1), respectively 1 part nanometer praseodymium boride and 10 parts transparent nano powder are carried out vacuum-drying, wherein, drying temperature is 70 ℃, and be 3h time of drying.
Then, carry out step 2), in the solvent with 30 parts of dried described transparent nano powder addings, form mixing solutions, the silane coupling agent KH-570 that adds 0.5 part again to described mixing solutions, and the pH value that dropping ammonia is regulated mixing solutions is 8-9, and ultra-sonic dispersion 6 hours makes primary dispersion liquid.
Subsequently, carry out step 3), drip 1 part BYK-180 and 0.5 part trolamine in the described primary dispersion liquid, and after adding 1 part nano titanium oxide, described primary dispersion liquid was put into the ball mill ball milling 5 hours, obtain the secondary dispersion liquid.
At last, carry out step 4), the binding agent of described secondary dispersion liquid and 57 parts is mixed, stir, slaking 6 minutes obtains transparent thermal insulating coating.
[the 3rd embodiment]
Adding described nano rare earth hexaboride in the described thermal insulating coating of this 3rd embodiment is the nanometer praseodymium boride.
At first, carry out step 1), respectively 2 parts nanometer praseodymium boride and 10 parts transparent nano powder are carried out vacuum-drying, wherein, drying temperature is 40 ℃, and be 6h time of drying.
Then, carry out step 2), in the solvent with 40 parts of dried described transparent nano powder addings, form mixing solutions, the silane coupling agent KH-570 that adds 0.5 part again to described mixing solutions, and the pH value that dropping ammonia is regulated mixing solutions is 8-9, and ultra-sonic dispersion 4 hours makes primary dispersion liquid.
Subsequently, carry out step 3), drip 1 part BYK-180 and 0.5 part trolamine in the described primary dispersion liquid, and after adding 1 part nano titanium oxide, described primary dispersion liquid was put into the ball mill ball milling 5 hours, obtain the secondary dispersion liquid.
At last, carry out step 4), the binding agent of described secondary dispersion liquid and 45.5 parts is mixed, stir, slaking 8 minutes obtains transparent thermal insulating coating.
[the 4th embodiment]
Adding described nano rare earth hexaboride in the described thermal insulating coating of this 4th embodiment is nanometer six cerium borides.
At first, carry out step 1), respectively 1 part nanometer six cerium borides and 10 parts transparent nano powder are carried out vacuum-drying, wherein, drying temperature is 80 ℃, and be 2h time of drying.
Then, carry out step 2), in the solvent with 45 parts of dried described transparent nano powder addings, form mixing solutions, add 1 part silane coupling agent KH-570 again to described mixing solutions, and the pH value of dropping ammonia adjusting mixing solutions is 8-9, ultra-sonic dispersion 6 hours makes primary dispersion liquid.
Subsequently, carry out step 3), drip 2 parts BYK-180 and 1 part trolamine in the described primary dispersion liquid, and after adding 1 part nano titanium oxide, described primary dispersion liquid was put into the ball mill ball milling 3 hours, obtain the secondary dispersion liquid.
At last, carry out step 4), the binding agent of described secondary dispersion liquid and 39 parts is mixed, stir, slaking 10 minutes obtains transparent thermal insulating coating.
[the 5th embodiment]
Adding described nano rare earth hexaboride in the described thermal insulating coating of this 5th embodiment is nanometer six cerium borides.
At first, carry out step 1), respectively 2 parts nanometer six cerium borides and 10 parts transparent nano powder are carried out vacuum-drying, wherein, drying temperature is 60 ℃, and be 4h time of drying.
Then, carry out step 2), in the solvent with 35 parts of dried described transparent nano powder addings, form mixing solutions, the silane coupling agent KH-570 that adds 0.5 part again to described mixing solutions, and the pH value that dropping ammonia is regulated mixing solutions is 8-9, and ultra-sonic dispersion 4 hours makes primary dispersion liquid.
Subsequently, carry out step 3), drip 1 part BYK-180 and 0.5 part trolamine in the described primary dispersion liquid, and after adding 1 part nano titanium oxide, described primary dispersion liquid was put into the ball mill ball milling 5 hours, obtain the secondary dispersion liquid.
At last, carry out step 4), the binding agent of described secondary dispersion liquid and 50.5 parts is mixed, stir, slaking 5 minutes obtains transparent thermal insulating coating.
With the thermal insulating coating for preparing among above-mentioned first embodiment-the 5th embodiment, film in that the common white of 3mm is on glass, thickness is 10 μ m, and with a common white glass of not filming as blank page contrasting, specific performance sees Table 1 and table 2.
Table 1, the optical property result who uses 1400nm optical performance test instrument to detect
Table 2, physicals test result
| Performance project | First embodiment | Second embodiment | The 3rd embodiment | The 4th embodiment | The 5th embodiment |
| Outward appearance | Normally | Normally | Normally | Normally | Normally |
| Sticking power | 0 | 0 | 0 | 0 | 0 |
| Pencil hardness | 8 | 9 | 9 | 9 | 9 |
| Scratch resistance | 1000g | 1300g | 1300g | 1300g | 1300g |
| Surface drying time | 30min | 30min | 25min | 25min | 25min |
As can be seen from Table 1, the thermal insulating coating that has added praseodymium boride or six cerium borides can reduce the consumption of ITO greatly, can improve infrared barrier and the ultraviolet-resistant of described thermal insulating coating under the situation of the consumption of low ITO, thereby prevent thermal radiation; And as can be seen from Table 2, the physicals such as pencil hardness, scratch resistance, surface drying time of having added the thermal insulating coating of praseodymium boride or six cerium borides is improved, and therefore, thermal insulating coating cost of the present invention is low, and performance is good.
In sum, the invention provides a kind of thermal insulating coating, the described thermal insulating coating of this thermal insulating coating comprises the nano rare earth hexaboride of 0.5-5 part, the nano titanium oxide (TiO of 0-5 part
2), the transparent nano powder of 5-20 part, the auxiliary agent of 0.5-5 part, solvent and 25-65 part binding agent of 20-65 part.Compared with prior art, the present invention has the following advantages:
Described thermal insulating coating has high transmittance, there is excellent rejection rate in the infrared light district at visible region, thereby prevents thermal radiation, and described thermal insulating coating weathering resistance, hardness, has good workability, and cost is lower.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. thermal insulating coating comprises following component for 100 parts by coating weight:
2. thermal insulating coating as claimed in claim 1, it is characterized in that described nano rare earth hexaboride is one or more the combination in lanthanum hexaborane, six cerium borides, praseodymium boride, neodymium hexaboride, six boronation promethiums, six samarium borides, europium boride, six boronation gadoliniums, six terbium borides, six dysprosium boride, six boronation holmiums, six boronation erbiums, six thulium borides, six ytterbium borides or the six boronation lutetiums.
3. thermal insulating coating as claimed in claim 1 is characterized in that, the median size of described nano rare earth hexaboride is 50nm-100nm.
4. thermal insulating coating as claimed in claim 1 is characterized in that, the median size of described nano titanium oxide is 50nm-100nm.
5. thermal insulating coating as claimed in claim 1 is characterized in that, described transparent nano powder is one or more the combination in tin indium oxide, tin-antiomony oxide or the zinc oxide aluminum.
6. thermal insulating coating as claimed in claim 1 is characterized in that, the median size of described transparent nano powder is 50nm-100nm.
7. thermal insulating coating as claimed in claim 1 is characterized in that, described auxiliary agent comprises coupling agent, dispersion agent.
8. thermal insulating coating as claimed in claim 7 is characterized in that, described coupling agent is silane coupling agent, and described dispersion agent is alkane hydroxylammonium salts and trolamine.
9. thermal insulating coating as claimed in claim 1 is characterized in that, described solvent is one or more the combination in dehydrated alcohol, ethyl acetate, toluene, dimethylbenzene, Virahol, propyl alcohol, propyl carbinol, ethylene glycol or the ethylene glycol monomethyl ether.
10. thermal insulating coating as claimed in claim 1 is characterized in that, described binding agent is transparent polyurethane resin, transparent fluorocarbon resin, transparent silicon resinoid or the molten transparent resin of inorganic alkoxide.
11. the preparation method of a thermal insulating coating comprises:
1) respectively the nano rare earth hexaboride of 0.5-5 part and the transparent nano powder of 5-20 part are carried out vacuum-drying;
2) dried described nano rare earth hexaboride and transparent nano powder added in the solvent of 20-65 part, add the coupling agent of 0.1-2 part again to mixing solutions, and the pH value of regulating mixing solutions is 8-9 that ultra-sonic dispersion makes primary dispersion liquid;
3) drip the dispersion agent of 0.2-5 part in the described primary dispersion liquid, and the nano titanium oxide that adds 0-5 part, put into the ball mill ball milling again, obtain the secondary dispersion liquid;
4) binding agent with described secondary dispersion liquid and 25-65 part mixes, and stirs, and slaking obtains described thermal insulating coating.
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| CN106883692A (en) * | 2017-03-23 | 2017-06-23 | 东莞市蓝琼实业投资有限公司 | Vehicle glass thermal insulation protection spray and its production technology |
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| CN109825141A (en) * | 2019-02-26 | 2019-05-31 | 成都其其小数科技有限公司 | A kind of transparent heat insulation diaphragm and preparation method for glass of building |
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| CN109825141A (en) * | 2019-02-26 | 2019-05-31 | 成都其其小数科技有限公司 | A kind of transparent heat insulation diaphragm and preparation method for glass of building |
| CN111187570A (en) * | 2020-02-04 | 2020-05-22 | 天津包钢稀土研究院有限责任公司 | High-transparency rare earth nano composite heat-insulating coating and preparation method and application thereof |
| CN114213033A (en) * | 2021-12-08 | 2022-03-22 | 天津包钢稀土研究院有限责任公司 | Rare earth-based infrared barrier coated glass for energy-saving room |
| CN114213033B (en) * | 2021-12-08 | 2023-12-05 | 天津包钢稀土研究院有限责任公司 | Rare earth-based infrared blocking type coated glass for energy-saving room |
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Application publication date: 20130703 |