CN101186781B - Transparent heat insulating dope and preparation method thereof - Google Patents
Transparent heat insulating dope and preparation method thereof Download PDFInfo
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- CN101186781B CN101186781B CN200710032516A CN200710032516A CN101186781B CN 101186781 B CN101186781 B CN 101186781B CN 200710032516 A CN200710032516 A CN 200710032516A CN 200710032516 A CN200710032516 A CN 200710032516A CN 101186781 B CN101186781 B CN 101186781B
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Abstract
The invention discloses a transparent heat insulation coating and a process for preparation. A mixed solution of dispersant, defoaming agent, deionized water and absolute ethyl alcohol and nano-powderare put into a beaker, the PH value is regulated to 6.5 to 7.5, and the mixture is homogenized for 30 minutes to 60 minutes on a high speed homogenizer and dispersed for 20 to 30 times by ultrasonicwave. Ultrasonic agitation is conducted, and when the ultrasonic agitation is stopped, cold air passes over. Further, aqueous polyurethane dispersion, the defoaming agents, thickening agents and filmforming additive are added, the PH value is regulated to 6.5 to 7.5, the mixture is homogenized for 30 minutes to 60 minutes on a high speed homogenizer, and the transparent heat insulation coating isobtained. The invention is simple in preparation process and needs no investment of expensive large-scale equipment, the preparation and construction technology is simple and convenient, which effectively reduces the manufacturing costs and is favorable for popularization in markets. The transparent heat insulation coating of the invention has the advantages of comparatively high visible light transmittance, infrared reflectivity, transparent and uniform appearance of painting film, high rigidity, perfect adhesive force, strong wash resistance and ultraviolet ray aging resistance.
Description
Technical field
The present invention relates to be used for transparent heat insulating dope, particularly a kind of transparent heat insulating dope and preparation method thereof on the glass of building.
Background technology
Along with socioeconomic fast development, the energy-conservation focus that has become whole society's growing interest.Because simple glass does not have selectivity to sunlight, when sunlight saw through glass window, the heat that solar radiation produced also transmitted in the inlet chamber simultaneously, and room temp is raise.The effect of heat insulation of simple glass is poor, is the one of the main reasons that causes buildings power loss or energy consumption to increase, and obviously increase air conditioner load hot summer.
At present, mainly on the market adopt metal coating heat-reflecting glass and various heat reflection pad pasting to intercept seeing through of part sunlight and reach the purpose of heat insulation and heat control.But all there are some problems in the application of these products.Though the metal coating heat-reflecting glass has good effect of heat insulation,, will influence indoor daylighting to a certain extent if be applied to glass of building in the transmitance very low (only being about 20%) of visible light; The metal coating heat-reflecting glass is to the reflection of the height of visible light and cause " light pollution ", and its application in buildings at present is restricted.Though various heat reflection pad pasting glass have higher visible light transmissivity (＞50%), effect of heat insulation is generally not high.In addition, no matter be the working method that metal coating heat-reflecting glass and various heat reflection pad pasting mostly adopt ion sputtering or vacuum plating, these methods need expensive facility investment, processing condition require high, production current consumption is big, therefore processing has obtained the higher of metal coating heat-reflecting glass and heat reflection pad pasting, is unfavorable for market big area popularization.
In recent years, along with inorganic/organic compounding technology research deeply and the continuous development of nanotechnology, adopt the organic/inorganic nano compounding technology will have the inorganic nano material of good optical performance, thermal property and organic polymer with good filming performance, mechanical property is compounded to form the multifunctional nano composite coating with the dual premium properties of organic and inorganic.
The inorganic nano semiconductor material is because its special structure, have higher energy gap and high conductivity, thereby have photoelectric properties of a series of uniquenesses, as have high transmittance at visible region, infrared rays had high reflectivity, can absorb simultaneously ultraviolet and decay microwave, be a kind of good spectral selectivity material.Inorganic nano semiconductor material and organic high molecular polymer membrane-forming agent are undertaken compoundly can making the transparent heat-insulated nano paint with spectral selectivity by appropriate means, be applied on the various base materials, can make the transparent heat-insulated compound coating that the good spectrum of over-all properties is selected row.This nano composite dope is imposed on the glass window of buildings; because the particle diameter of nanoparticle is much smaller than visible wavelength (380nm～780nm); can guarantee that this coating has high transmitance at visible region; neither influence indoor lighting; can reflect near infrared and infrared spectra again; thereby reduce the power consumption of air-conditioning, reach purpose of energy saving, this is to alleviating energy crisis and keep continuous development of society economy to have great importance.This method does not need expensive main equipment investment, and construction technology is simple and easy to do, can effectively reduce production costs, and helps to marketing.
Summary of the invention
The object of the present invention is to provide a kind of transparent heat insulating dope, this coating has that higher visible light transmittance rate, infrared reflective, appearance of film are transparent evenly, hardness is strong, sticking power good, abrasion resistance and ultraviolet-resistant aging.
The present invention also aims to provide a kind of preparation method of transparent heat insulating dope.
The preparation method of transparent heat insulating dope of the present invention comprises the steps:
(1) preparation of nano powder slurry:
Get the mixing solutions and the nano-powder of dispersion agent, defoamer, deionized water and dehydrated alcohol and put into beaker, regulating the pH value is 6.5～7.5, behind homogeneous 30min～60min on the high-shear homogenizer, adopt ultrasonic dispersing 20-30 time: ultrasonic agitation stops ultrasonic agitation and feeds freezing air simultaneously and cool off; Wherein, the mass fraction of each raw material is as follows:
Dispersion agent: 1～3
Deionized water: 30～50
Dehydrated alcohol: 30～50
Nano-powder: 10～15;
(2) preparation of transparent heat insulating dope:
Get the nano powder slurry that step (1) obtains, add aqueous polyurethane dispersion, defoamer, thickening material and film coalescence aid, regulating the pH value is 6.5～7.5, and homogeneous 20-30min obtains transparent heat insulating dope on high-shear homogenizer; Wherein, the quality of each raw material accounts for the percentage ratio of raw material total mass and is:
Nano powder slurry: 15～25%
Aqueous polyurethane dispersion: 40～50%
Defoamer: 0.04～0.08%
Thickening material: 0.02～0.06%
Film coalescence aid: 0.1～0.5%
Water 24.36-44.84%.
Dispersion agent in the described step (1) comprises silane coupling agent, macromolecule dispersing agent or inorganic dispersant.Described composite dispersing agent is the mixture of glycidyl ether oxygen propyl methyldiethoxysilane and sodium oleate, and both volume ratios are 2: 1.
Nano-powder in the described step (1) comprises silicon-dioxide, titanium dioxide, tin indium oxide, tin-antiomony oxide and soccerballene C
60, its mass fraction is as follows:
Silicon-dioxide: 0.5～1
Titanium dioxide: 0.5～1
Tin indium oxide: 3～4
Tin-antiomony oxide: 1.5～2
Soccerballene C
60: 0.1～0.2.
The aqueous polyurethane dispersion solid content of described step (2) is 30%～35%, and the pH value is 7～8, and viscosity is 1200mPas～1500mPas;
The thickening material of described step (2) is the modified polyurethane thickening material, as TD-441, is a kind of nonionic synergetic rheology modifier.
The defoamer of described step (2) is a mineral oils non-ionic type defoamer, and requiring its activeconstituents is 100%, as DF-568.
The film coalescence aid of described step (2) is ethylene glycol monobutyl ether or dipropylene glycol butyl ether.
Utilize aforesaid method to obtain a kind of transparent heat insulating dope.
The present invention has following beneficial effect: preparation method of the present invention is simple, does not need expensive main equipment investment, and preparation and construction technology are simple and easy to do, effectively reduce production costs, and help to marketing.The resulting transparent heat insulating dope of the present invention is a single component, has that higher visible light transmittance rate, infrared reflective, appearance of film are transparent evenly, hardness is strong, sticking power good, abrasion resistance and a ultraviolet-resistant aging.
The performance of the resultant transparent heat insulating dope of the present invention:
Visible light transmittance rate:＞80%
Infrared reflectance:＞70%
Sticking power: 1 grade
Pencil hardness: H films
Abrasion resistance: 〉=2000 times
Coating temp. variation resistant: no efflorescence, play drum, peel off
Volatile organic compounds (VOC) :≤50g/L
Ultraviolet-resistant aging (1000h): non-foaming, do not peel off, flawless.
Embodiment
The formula table of nano powder slurry:
Embodiment 1: certain newly-built high-grade office building, adopt product of the present invention that exterior wall is applied with glass.Prescription (gross weight is in 100 kilograms) is: 40 kilograms of aqueous polyurethane dispersion (solid content 30%), nano powder slurry (sequence number 1 prescription, regulating pH is 6.5, behind homogeneous 30min on the high-shear homogenizer, employing ultrasonic dispersing 20 times) 15 kilogram, 0.02 kilogram of TD-441, DF-5680.04 kilogram, 0.1 kilogram of ethylene glycol monobutyl ether, 44.84 kilograms in water, regulating the pH value is 6.5, stirs 20min, obtains transparent heat insulating dope.Thoroughly clean window glass with cleaner special and instrument before the construction, the thermal insulating coating master that mixes is coated with lacquer to pour into be coated with in the tankage, use special-purpose applicator evenly to pick thermal insulating coating in the groove, it evenly is coated in the glass surface of having handled.This coating is the single component normal temperature cured type, and 1 hour surface drying was done solid work in 8 hours.For the glass after the coating, do not clean in two days, so that the coating completely solidified.Check to the working-yard after 1 month, the glass surface brushing evenly, bonding firmly, no holiday, reveal the exact details, scratch, peeling and dry linting, heat insulation daylighting is respond well, energy-saving effect is good, 5～10 ℃ of heat insulation and heat controls, energy-conservation 20～30%.
Embodiment 2: certain newly-built villa district, in order to improve effect of heat insulation, adopt product of the present invention that exterior wall is applied with glass.Prescription (gross weight is in 100 kilograms) is: 45 kilograms of water-based PU dispersions (solid content 32.5%), the nano-powder dispersed paste (sequence number 2 prescriptions, regulating the pH value is 7, behind homogeneous 45min on the high-shear homogenizer, employing ultrasonic dispersing 25 times) 20 kilogram, the TD-4410.04 kilogram, DF-5680.06 kilogram, 0.3 kilogram of ethylene glycol monobutyl ether, 34.6 kilograms in water, regulating the pH value is 7, stirs 25min, obtains transparent heat insulating dope.Thoroughly clean window glass with cleaner special and instrument before the construction, the thermal insulating coating master that mixes is coated with lacquer to pour into be coated with in the tankage, use special-purpose applicator evenly to pick thermal insulating coating in the groove, it evenly is coated in the glass surface of having handled.This coating is the single component normal temperature cured type, and 1 hour surface drying was done solid work in 8 hours.For the glass after the coating, do not clean in two days, so that the coating completely solidified.Check to the construction site after 2 months, the glass surface brushing evenly, bonding firmly, no holiday, reveal the exact details, scratch, peeling and dry linting.After tested can economize on electricity 20～30% when using air-conditioning summer, because the glass port in room has used the nano transparent insulating coating coating, the temperature in room can reduce by 4～7 ℃, and actual measurement shows unexpectedly, and the current consumption of air-conditioning is reduced to 208 degree by 303 original degree.
Embodiment 3: certain market, and in order to improve the heat insulation translucent effect in market, adopt product of the present invention that exterior wall is applied with glass.Prescription (gross weight is in 100 kilograms) is: 50 kilograms of water-based PU dispersions (solid content 35%), the nano-powder dispersed paste (sequence number 3 prescriptions, regulating the pH value is 7.5, behind homogeneous 60min on the high-shear homogenizer, employing ultrasonic dispersing 30 times) 25 kilogram, the TD-4410.06 kilogram, DF-5680.08 kilogram, 0.5 kilogram of dipropylene glycol butyl ether, 24.36 kilograms in water, regulating the pH value is 7.5, stirs 30min, obtains transparent heat insulating dope.Thoroughly clean window glass with cleaner special and instrument before the construction, the thermal insulating coating master that mixes is coated with lacquer to pour into be coated with in the tankage, use special-purpose applicator evenly to pick thermal insulating coating in the groove, it evenly is coated in the glass surface of having handled.This coating is the two-pack normal temperature cured type, and 1 hour surface drying was done solid work in 8 hours.For the glass after the coating, do not clean in two days, so that the coating completely solidified.Check on the spot after more than 20 day, the glass surface brushing evenly, bonding firmly, no holiday, reveal the exact details, scratch, peeling and dry linting, transparent heat-insulated respond well.
Claims (6)
1. the preparation method of a transparent heat insulating dope is characterized in that, comprises the steps:
(1) preparation of nano powder slurry:
Get the mixing solutions and the nano-powder of dispersion agent, defoamer, deionized water and dehydrated alcohol and put into beaker, regulating the pH value is 6.5～7.5, behind homogeneous 30min～60min on the high-shear homogenizer, adopt ultrasonic dispersing 20-30 time: ultrasonic agitation stops ultrasonic agitation and feeds freezing air simultaneously and cool off; Wherein, the mass fraction of each raw material is as follows:
Dispersion agent: 1～3
Deionized water: 30～50
Dehydrated alcohol: 30～50
Nano-powder: 10～15;
(2) preparation of transparent heat insulating dope:
Get the nano powder slurry that step (1) obtains, add aqueous polyurethane dispersion, defoamer, thickening material and film coalescence aid, regulating the pH value is 6.5～7.5, and homogeneous 20-30min obtains transparent heat insulating dope on high-shear homogenizer; Wherein, the quality of each raw material accounts for the percentage ratio of raw material total mass and is:
Nano powder slurry: 15～25%
Aqueous polyurethane dispersion: 40～50%
Defoamer: 0.04～0.08%
Thickening material: 0.02～0.06%
Film coalescence aid: 0.1～0.5%
Water 24.36-44.84%;
The ultrasonic agitation time in the described step (1) is 5s, stops ultrasonic agitation and feeds freezing air simultaneously to carry out cooling time be 6s;
Dispersion agent in the described step (1) comprises silane coupling agent, macromolecule dispersing agent, inorganic dispersant or composite dispersing agent;
Described composite dispersing agent is the mixture of glycidyl ether oxygen propyl methyldiethoxysilane and sodium oleate, and both volume ratios are 2: 1;
Nano-powder in the described step (1) comprises silicon-dioxide, titanium dioxide, tin indium oxide, tin-antiomony oxide and soccerballene C60, and its mass fraction is as follows:
Silicon-dioxide: 0.5～1
Titanium dioxide: 0.5～1
Tin indium oxide: 3～4
Tin-antiomony oxide: 1.5～2
Soccerballene C
60: 0.1～0.2.
2. preparation method according to claim 1 is characterized in that, the aqueous polyurethane dispersion solid content of described step (2) is 30%～35%, and the pH value is 7～8, and viscosity is 1200mPas～1500mPas.
3. preparation method according to claim 1 is characterized in that, the defoamer of described step (2) is a mineral oils non-ionic type defoamer, and requiring its activeconstituents is 100%.
4. preparation method according to claim 1 is characterized in that, the thickening material of described step (2) is the modified polyurethane thickening material.
5. preparation method according to claim 1 is characterized in that, the film coalescence aid of described step (2) is ethylene glycol monobutyl ether or dipropylene glycol butyl ether.
6. transparent heat insulating dope that obtains according to the described preparation method of one of claim 1～5.
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| CN200710032516A CN101186781B (en) | 2007-12-14 | 2007-12-14 | Transparent heat insulating dope and preparation method thereof |
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| CN200710032516A CN101186781B (en) | 2007-12-14 | 2007-12-14 | Transparent heat insulating dope and preparation method thereof |
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| CN101186781B true CN101186781B (en) | 2010-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633816B (en) * | 2009-08-31 | 2012-02-29 | 武汉双虎涂料有限公司 | Glass heat insulation paint of water-based hydroxyl polyurethane resin and preparation method thereof |
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| CN101760110A (en) * | 2010-02-11 | 2010-06-30 | 南京海泰纳米材料有限公司 | Ultraviolet curing nano transparent heat-insulation composite coating |
| CN102617112B (en) * | 2012-03-22 | 2013-03-13 | 李佳怡 | Novel heat-insulating and energy-saving MoO3 nano powder material and method for preparing same |
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| CN104230177A (en) * | 2013-06-18 | 2014-12-24 | 南京工业大学 | Method for preparing nano-ATO aqueous slurry |
| CN104109457B (en) * | 2014-08-12 | 2016-03-23 | 段小宁 | A kind of fire-retardant with water-repellancy aqueous polyurethane coating and the preparation method of tackiness agent |
| CN105602367A (en) * | 2015-12-31 | 2016-05-25 | 文登蓝岛建筑工程有限公司 | Hydrophobic coating and preparation method thereof |
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| CN113861745A (en) * | 2021-10-19 | 2021-12-31 | 海安浩驰科技有限公司 | Preparation of low-fading nano heat-insulating slurry and coating and application of heat-insulating automobile film |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563231A (en) * | 2004-04-16 | 2005-01-12 | 南京工业大学 | Nano transparent heat insulated composite coating material and equipment for testing effect of heat insulation for the material |
| CN1951985A (en) * | 2006-10-20 | 2007-04-25 | 南京工业大学 | Transparent heat-insulating film and its preparing process |
-
2007
- 2007-12-14 CN CN200710032516A patent/CN101186781B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563231A (en) * | 2004-04-16 | 2005-01-12 | 南京工业大学 | Nano transparent heat insulated composite coating material and equipment for testing effect of heat insulation for the material |
| CN1951985A (en) * | 2006-10-20 | 2007-04-25 | 南京工业大学 | Transparent heat-insulating film and its preparing process |
Non-Patent Citations (3)
| Title |
|---|
| 官文超等.C60衍生物的合成及在水性成膜材料中的抗近红外和紫外性能.高分子材料科学与工程22 2.2006,22(2),107-110. |
| 官文超等.C60衍生物的合成及在水性成膜材料中的抗近红外和紫外性能.高分子材料科学与工程22 2.2006,22(2),107-110. * |
| 陈飞霞.纳米氧化铟锡透明隔热涂料的制备及性能研究.南京工业大学学位论文.2005,10-16. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633816B (en) * | 2009-08-31 | 2012-02-29 | 武汉双虎涂料有限公司 | Glass heat insulation paint of water-based hydroxyl polyurethane resin and preparation method thereof |
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Assignee: Jiangmen Paint Factory Co., Ltd. Assignor: South China University of Technology Contract record no.: 2010440001520 Denomination of invention: Transparent heat insulating dope and preparation method thereof Granted publication date: 20100519 License type: Exclusive License Open date: 20080528 Record date: 20101215 |
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