CN108456391A - A kind of preparation method of use in construction of door and window thermal isolation film - Google Patents
A kind of preparation method of use in construction of door and window thermal isolation film Download PDFInfo
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- CN108456391A CN108456391A CN201810237863.9A CN201810237863A CN108456391A CN 108456391 A CN108456391 A CN 108456391A CN 201810237863 A CN201810237863 A CN 201810237863A CN 108456391 A CN108456391 A CN 108456391A
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Abstract
The present invention provides a kind of preparation method of use in construction of door and window thermal isolation film, includes the following steps：A, it by aluminium oxide, carbon black, calcium carbonate and glass fibre mixing and ball milling, then calcines, obtains material one；B, material one is mixed with neopelex solution, adds ethanol solution, heating, stirring obtain mixed liquor；C, processing is modified to silica alcosol, be then added in mixed liquor, add urethane acrylate, hydroxy cellulose sodium and dimethyl silicone polymer, heating, stirring obtain material two；D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion, stirring, decentralized processing, drying are added into material two.The preparation process of the present invention is simple, and thermal isolation film obtained has excellent wear-resisting, weatherability and stability, and thermal isolation film light transmittance is high, and heat-proof quality is abundant, non-aging for ultraviolet, ultraviolet light reflectivity height, is with a wide range of applications.
Description
Technical field
The invention belongs to technology field of membrane materials, and in particular to a kind of preparation method of use in construction of door and window thermal isolation film.
Background technology
Thermal isolation film is otherwise known as sunshade heat insulation film, and " sun-proof " refers to that can effectively obstruct ultraviolet light up to 90% or more.The third generation produces
Product have used many new technologies, such as " magnetic control film coating ", " micron technology ", " nanotechnology ", " Space Science and Technology ", ultraviolet isolating
Rate is increased to 90~100% or so, and infrared ray rejection rate is increased to 30~95% or so, and the viscosity of glue is stronger, is both dropped to reach
The thickness of low film improves the effect of explosion-proof performance again.
Solar energy is the primary condition of human survival and life, but strong solar radiation energy is also brought to human lives
Some are inconvenient, and under sunlight irradiation, heat constantly accumulates in the surface for being illuminated object, its surface temperature can be made constantly to rise
It is high.In summer, the raising of building temperature causes ambient enviroment and indoor temperature excessively high, so as to cause air conditioner refrigerating electricity consumption
It is continuously increased.Therefore, building doors and windows, glass heat-proof material are as a kind of excellent building energy conservation product, increasingly by people
Concern.Thermal isolation film can effectively stop the heat of solar radiation, prevent hot gas from entering interior, to pump out hot gas without spending.With
Curtain and shutter difference, sun thermal isolation film gear falls may enter the hot gas for being up to 79% within doors by window, in other words this phase
12000 British Thermal units can be saved when bearing sunlit glass per hour in every 100 square feet.
The thermal isolation film wearability and stability of prior art preparation are poor, and easy aging falls off, and weatherability is poor, for
Infrared ray, the reflectivity of ultraviolet light are relatively low, and thermal isolation film light transmittance is relatively low, and thermal insulation is insufficient.
Invention content
The object of the present invention is to provide a kind of preparation method of use in construction of door and window thermal isolation film, preparation process of the invention letters
Single, thermal isolation film obtained has excellent wear-resisting, weatherability and stability, and thermal isolation film light transmittance is high, and heat-proof quality is abundant, for
Ultraviolet, ultraviolet light reflectivity is high, non-aging, is with a wide range of applications.
The present invention provides the following technical solutions：
A kind of preparation method of use in construction of door and window thermal isolation film, including following preparation process：
A, aluminium oxide, carbon black, calcium carbonate and glass fibre are mixed, import ball milling 1-2h in ball mill, is re-fed into high temperature furnace,
3-5h is calcined at 800-900 DEG C, obtains material one；
B, material one is mixed with neopelex solution, adds mass fraction in the ethanol solution of 55-60%, sets
20-30min is stirred under 60-80 DEG C of heating water bath, obtains mixed liquor；
C, processing is modified to silica alcosol, be then added in mixed liquor, imported reaction kettle, add polyurethane third
Olefin(e) acid ester, hydroxy cellulose sodium and dimethyl silicone polymer stir 30-35min, mixing speed 300- at 80-90 DEG C
350r/min obtains material two；
D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion are added into material two, in 200-260r/
20-25min is stirred under the rotating speed of min, then carries out decentralized processing, after dry, you can obtain finished product.
Preferably, the step a before calcination, carries out washing 3-5 times to the mixture after ball milling, is being placed in drying box
Drying and processing, whole process is passed through nitrogen in calcination process.
Preferably, the material one of the step b and neopelex solution in mass ratio 2:5 are mixed.
Preferably, the preparation method of the silica alcosol of the step c is：Ethyl orthosilicate and ethanol solution are mixed
Conjunction stirs evenly, and the sodium hydroxide solution for being 20-25% with mass fraction adjusts pH in 8-9, then is placed in 60-65 DEG C of water-bath and adds
Heat is lower to react 3-4h, is cooled to room temperature, you can obtain silica alcosol.
Preferably, the modification of the step c is：Silica alcosol is imported in reaction kettle, methyl-prop is added
Alkene acryloxypropylethoxysilane trimethoxy silane and methacrylic acid are stirred to react 2-3h under 70-80 DEG C of heating water bath.
Preferably, the preparation method of the modified Nano tin-antiomony oxide of the step d is：Nano antimony tin oxide is added to
In ionized water, 10-15min is stirred under the rotating speed of 200-240r/min, is then sonicated 30-40min, adds vinyl three
Ethoxysilane is placed under 50-65 DEG C of heating water bath and stirs 1-2h, then is centrifuged, and is washed with absolute ethyl alcohol to filter residue
It washs, filter residue is placed in in 80-85 DEG C of drying box dry 3-5h, you can obtain modified Nano tin-antiomony oxide.
Preferably, the preparation method of the caesium tungsten bronze nano-powder of the step d is：By sorbierite, wolframic acid and cesium sulfate
Mixing imports in reaction kettle, is heated to 180-220 DEG C, insulation reaction 2-3h, when being cooled to 90-110 DEG C, is blended into deionized water and stirs
10-15min is mixed, is refiltered, the ethanol solution for being 80-90% with mass concentration washs filter residue, and filter residue is placed in 90-100 DEG C true
Dry 40-50min in empty drying box, then processing is crushed to filter residue, you can obtain caesium tungsten bronze nano-powder.
Preferably, the decentralized processing of the step d is：Using ultrasonic wave decentralized processing 20-30min.
The beneficial effects of the invention are as follows：
The preparation process of the present invention is simple, and thermal isolation film obtained has excellent wear-resisting, weatherability and stability, thermal isolation film light transmission
Rate is high, and heat-proof quality is abundant, non-aging for ultraviolet, ultraviolet light reflectivity height, is with a wide range of applications.
To the modification of silica alcosol in the present invention, the caking property of the thermal isolation film of preparation can be improved so that heat-insulated
The fastness of film is strong, not easily to fall off, and the translucency of silica alcosol is good.
The calcined product of aluminium oxide, carbon black and calcium carbonate that the present invention adds can effectively improve the resistance to of the thermal isolation film of preparation
Grind performance；Caesium tungsten bronze nano particle in the present invention has best near infrared absorption feature, modified Nano tin-antiomony oxide pair
Solar spectrum has ideal selectivity, i.e., has high transmitance in visible region, and has good screen to infrared light
Performance is covered, after the two is mixed with acrylic emulsion, the heat-proof quality for the thermal isolation film prepared can be greatly improved so that for purple
Outside, the reflectivity of ultraviolet light is high, and light transmittance is high.
Specific implementation mode
Embodiment 1
A kind of preparation method of use in construction of door and window thermal isolation film, including following preparation process：
A, aluminium oxide, carbon black, calcium carbonate and glass fibre are mixed, imports ball milling 2h in ball mill, is re-fed into high temperature furnace,
3h is calcined at 900 DEG C, obtains material one；
B, material one is mixed with neopelex solution, adds mass fraction in 55% ethanol solution, is placed in 60
DEG C heating water bath under stir 30min, obtain mixed liquor；
C, processing is modified to silica alcosol, be then added in mixed liquor, imported reaction kettle, add polyurethane third
Olefin(e) acid ester, hydroxy cellulose sodium and dimethyl silicone polymer, stir 35min at 80 DEG C, and mixing speed 300r/min is obtained
Material two；
D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion are added into material two, in 260r/min
Rotating speed under stir 20min, then decentralized processing is carried out, after dry, you can obtain finished product.
Step a carries out washing 5 times before calcination, to the mixture after ball milling, is being placed in drying and processing in drying box, calcines
Whole process is passed through nitrogen in the process.
The material one of step b and neopelex solution in mass ratio 2:5 are mixed.
The preparation method of the silica alcosol of step c is：Ethyl orthosilicate and ethanol solution are mixed evenly,
The sodium hydroxide solution for being 25% with mass fraction adjusts pH 8, then is placed under 65 DEG C of heating water bath and reacts 3h, is cooled to room
Temperature, you can obtain silica alcosol.
The modification of step c is：Silica alcosol is imported in reaction kettle, methacryloxypropyl is added
Trimethoxy silane and methacrylic acid are stirred to react 2h under 80 DEG C of heating water bath.
The preparation method of the modified Nano tin-antiomony oxide of step d is：Nano antimony tin oxide is add to deionized water,
10min is stirred under the rotating speed of 240r/min, is then sonicated 30min, adds vinyltriethoxysilane, is placed in 65 DEG C
2h is stirred under heating water bath, then is centrifuged, and filter residue is washed with absolute ethyl alcohol, filter residue is placed in 80 DEG C of drying box
Dry 5h, you can obtain modified Nano tin-antiomony oxide.
The preparation method of the caesium tungsten bronze nano-powder of step d is：Sorbierite, wolframic acid and cesium sulfate are mixed and import reaction
In kettle, 220 DEG C, insulation reaction 2h, when being cooled to 90 DEG C are heated to, deionized water stirring 10min is blended into, refilters, use quality
A concentration of 90% ethanol solution washs filter residue, and filter residue is placed in 100 DEG C of vacuum drying chamber dry 50min, then to filter residue into
Row pulverization process, you can obtain caesium tungsten bronze nano-powder.
The decentralized processing of step d is：Using ultrasonic wave decentralized processing 20min.
After testing, the visible light transmittance of thermal isolation film manufactured in the present embodiment is 90%, while having 75% near-infrared screen
Cover rate, 98% ultravioletlight screening rate, thermal coefficient 0.03W/（m·K）.
Embodiment 2
A kind of preparation method of use in construction of door and window thermal isolation film, including following preparation process：
A, aluminium oxide, carbon black, calcium carbonate and glass fibre are mixed, imports ball milling 1h in ball mill, is re-fed into high temperature furnace,
3h is calcined at 800 DEG C, obtains material one；
B, material one is mixed with neopelex solution, adds mass fraction in 55% ethanol solution, is placed in 60
DEG C heating water bath under stir 20min, obtain mixed liquor；
C, processing is modified to silica alcosol, be then added in mixed liquor, imported reaction kettle, add polyurethane third
Olefin(e) acid ester, hydroxy cellulose sodium and dimethyl silicone polymer, stir 30min at 80 DEG C, and mixing speed 300r/min is obtained
Material two；
D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion are added into material two, in 200r/min
Rotating speed under stir 20min, then decentralized processing is carried out, after dry, you can obtain finished product.
Step a carries out washing 3 times before calcination, to the mixture after ball milling, is being placed in drying and processing in drying box, calcines
Whole process is passed through nitrogen in the process.
The material one of step b and neopelex solution in mass ratio 2:5 are mixed.
The preparation method of the silica alcosol of step c is：Ethyl orthosilicate and ethanol solution are mixed evenly,
The sodium hydroxide solution for being 20% with mass fraction adjusts pH 8, then is placed under 60 DEG C of heating water bath and reacts 3h, is cooled to room
Temperature, you can obtain silica alcosol.
The modification of step c is：Silica alcosol is imported in reaction kettle, methacryloxypropyl is added
Trimethoxy silane and methacrylic acid are stirred to react 2h under 70 DEG C of heating water bath.
The preparation method of the modified Nano tin-antiomony oxide of step d is：Nano antimony tin oxide is add to deionized water,
10min is stirred under the rotating speed of 200r/min, is then sonicated 30min, adds vinyltriethoxysilane, is placed in 50 DEG C
1h is stirred under heating water bath, then is centrifuged, and filter residue is washed with absolute ethyl alcohol, filter residue is placed in 80 DEG C of drying box
Dry 3h, you can obtain modified Nano tin-antiomony oxide.
The preparation method of the caesium tungsten bronze nano-powder of step d is：Sorbierite, wolframic acid and cesium sulfate are mixed and import reaction
In kettle, 180 DEG C, insulation reaction 2h, when being cooled to 90 DEG C are heated to, deionized water stirring 10min is blended into, refilters, use quality
A concentration of 80% ethanol solution washs filter residue, and filter residue is placed in 90 DEG C of vacuum drying chamber dry 40min, then to filter residue into
Row pulverization process, you can obtain caesium tungsten bronze nano-powder.
The decentralized processing of step d is：Using ultrasonic wave decentralized processing 30min.
After testing, the visible light transmittance of thermal isolation film manufactured in the present embodiment is 93%, while having 78% near-infrared screen
Cover rate, 97% ultravioletlight screening rate, thermal coefficient 0.04W/（m·K）.
Embodiment 3
A kind of preparation method of use in construction of door and window thermal isolation film, including following preparation process：
A, aluminium oxide, carbon black, calcium carbonate and glass fibre are mixed, imports ball milling 2h in ball mill, is re-fed into high temperature furnace,
5h is calcined at 800 DEG C, obtains material one；
B, material one is mixed with neopelex solution, adds mass fraction in 60% ethanol solution, is placed in 80
DEG C heating water bath under stir 30min, obtain mixed liquor；
C, processing is modified to silica alcosol, be then added in mixed liquor, imported reaction kettle, add polyurethane third
Olefin(e) acid ester, hydroxy cellulose sodium and dimethyl silicone polymer, stir 35min at 80 DEG C, and mixing speed 350r/min is obtained
Material two；
D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion are added into material two, in 260r/min
Rotating speed under stir 25min, then decentralized processing is carried out, after dry, you can obtain finished product.
Step a carries out washing 5 times before calcination, to the mixture after ball milling, is being placed in drying and processing in drying box, calcines
Whole process is passed through nitrogen in the process.
The material one of step b and neopelex solution in mass ratio 2:5 are mixed.
The preparation method of the silica alcosol of step c is：Ethyl orthosilicate and ethanol solution are mixed evenly,
The sodium hydroxide solution for being 25% with mass fraction adjusts pH 9, then is placed under 65 DEG C of heating water bath and reacts 4h, is cooled to room
Temperature, you can obtain silica alcosol.
The modification of step c is：Silica alcosol is imported in reaction kettle, methacryloxypropyl is added
Trimethoxy silane and methacrylic acid are stirred to react 3h under 80 DEG C of heating water bath.
The preparation method of the modified Nano tin-antiomony oxide of step d is：Nano antimony tin oxide is add to deionized water,
15min is stirred under the rotating speed of 240r/min, is then sonicated 40min, adds vinyltriethoxysilane, is placed in 65 DEG C
2h is stirred under heating water bath, then is centrifuged, and filter residue is washed with absolute ethyl alcohol, filter residue is placed in 85 DEG C of drying box
Dry 5h, you can obtain modified Nano tin-antiomony oxide.
The preparation method of the caesium tungsten bronze nano-powder of step d is：Sorbierite, wolframic acid and cesium sulfate are mixed and import reaction
In kettle, 220 DEG C, insulation reaction 3h, when being cooled to 110 DEG C are heated to, deionized water stirring 15min is blended into, refilters, use quality
A concentration of 90% ethanol solution washs filter residue, and filter residue is placed in 100 DEG C of vacuum drying chamber dry 50min, then to filter residue into
Row pulverization process, you can obtain caesium tungsten bronze nano-powder.
The decentralized processing of step d is：Using ultrasonic wave decentralized processing 30min.
After testing, the visible light transmittance of thermal isolation film manufactured in the present embodiment is 92%, while having 76% near-infrared screen
Cover rate, 98% ultravioletlight screening rate, thermal coefficient 0.03W/（m·K）.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of preparation method of use in construction of door and window thermal isolation film, which is characterized in that including following preparation process：
A, aluminium oxide, carbon black, calcium carbonate and glass fibre are mixed, import ball milling 1-2h in ball mill, is re-fed into high temperature furnace,
3-5h is calcined at 800-900 DEG C, obtains material one；
B, material one is mixed with neopelex solution, adds mass fraction in the ethanol solution of 55-60%, sets
20-30min is stirred under 60-80 DEG C of heating water bath, obtains mixed liquor；
C, processing is modified to silica alcosol, be then added in mixed liquor, imported reaction kettle, add polyurethane third
Olefin(e) acid ester, hydroxy cellulose sodium and dimethyl silicone polymer stir 30-35min, mixing speed 300- at 80-90 DEG C
350r/min obtains material two；
D, modified Nano tin-antiomony oxide, caesium tungsten bronze nano-powder and acrylic emulsion are added into material two, in 200-260r/
20-25min is stirred under the rotating speed of min, then carries out decentralized processing, after dry, you can obtain finished product.
2. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step a
Before calcination, washing 3-5 time is carried out to the mixture after ball milling, is being placed in drying and processing in drying box, whole process in calcination process
It is passed through nitrogen.
3. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step b
Material one and neopelex solution in mass ratio 2:5 are mixed.
4. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step c
The preparation method of silica alcosol be：Ethyl orthosilicate and ethanol solution are mixed evenly, are with mass fraction
The sodium hydroxide solution of 20-25% adjusts pH in 8-9, then is placed under 60-65 DEG C of heating water bath and reacts 3-4h, is cooled to room temperature,
It can be obtained silica alcosol.
5. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step c
Modification be：Silica alcosol is imported in reaction kettle, methacryloxypropyl trimethoxy silane is added
And methacrylic acid, it is stirred to react 2-3h under 70-80 DEG C of heating water bath.
6. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step d
The preparation method of modified Nano tin-antiomony oxide be：Nano antimony tin oxide is add to deionized water, in 200-240r/min
Rotating speed under stir 10-15min, be then sonicated 30-40min, add vinyltriethoxysilane, be placed in 50-65 DEG C
Heating water bath under stir 1-2h, then be centrifuged, filter residue washed with absolute ethyl alcohol, filter residue is placed in 80-85 DEG C
Dry 3-5h in drying box, you can obtain modified Nano tin-antiomony oxide.
7. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step d
The preparation method of caesium tungsten bronze nano-powder be：Sorbierite, wolframic acid and cesium sulfate are mixed and imported in reaction kettle, is heated to
180-220 DEG C, insulation reaction 2-3h, when being cooled to 90-110 DEG C, it is blended into deionized water stirring 10-15min, refilters, uses matter
Filter residue, is placed in 90-100 DEG C of vacuum drying chamber dry 40- by the ethanol solution washing filter residue for measuring a concentration of 80-90%
50min, then processing is crushed to filter residue, you can obtain caesium tungsten bronze nano-powder.
8. a kind of preparation method of use in construction of door and window thermal isolation film according to claim 1, which is characterized in that the step d
Decentralized processing be：Using ultrasonic wave decentralized processing 20-30min.
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Cited By (1)
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| CN112299484A (en) * | 2019-07-31 | 2021-02-02 | 北京信息科技大学 | Method for preparing cesium tungsten bronze material under normal pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299484A (en) * | 2019-07-31 | 2021-02-02 | 北京信息科技大学 | Method for preparing cesium tungsten bronze material under normal pressure |
| CN112299484B (en) * | 2019-07-31 | 2023-03-14 | 北京信息科技大学 | Method for preparing cesium tungsten bronze material under normal pressure |
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