CN104761984A - Radiation heat-insulating coating having self-cleaning function and being used for external wall of buildings and preparation method thereof - Google Patents
Radiation heat-insulating coating having self-cleaning function and being used for external wall of buildings and preparation method thereof Download PDFInfo
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- CN104761984A CN104761984A CN201510120117.8A CN201510120117A CN104761984A CN 104761984 A CN104761984 A CN 104761984A CN 201510120117 A CN201510120117 A CN 201510120117A CN 104761984 A CN104761984 A CN 104761984A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a radiation heat-insulating coating having a self-cleaning function and being used for an external wall of buildings, which is characterized by being made from following raw materials, by weight: 21-23 parts of a cordierite-based composite infrared radiation material, 1.5-2 parts of polyvinylpyrrolidone, 40-42 parts of pure acrylic emulsion 9-10 parts of rutile titanium dioxide, 20-22 parts of anhydrous ethanol, 29-31 parts of deionized water, 3-5 parts of nano titanium dioxide, 2-3 parts of silicone oil, 2-3 parts of furfuryl alcohol resin, 0.9-1.2 parts of fatty acyl diethanol amine and 0.6-0.8 parts of glyceryl stearate. In the invention, the prepared cordierite-based composite infrared radiation material, as a filling material, is added to the coating, and the rutile titanium dioxide and the like, after surface activation, are mixed with other components to prepare the coating. The coating is small in granularity, is fine in coating film, is heat-insulating and temperature-decreasing, and has an environmental-protective and self-cleaning function, can maintain the external wall and the roof to be clean and is low in cost. The preparation method is convenient to industrially control.
Description
Technical field
The present invention relates to technical field of coatings, particularly a kind of for external wall radiation heat insulation coating with self-cleaning effect and preparation method thereof.
Background technology
Thermal insulating coating is the thermal accumlation being reduced coated article inside by mechanism such as obstruct, reflection, radiation, thus reaches energy-conservation a kind of functional coating with improving the object such as Working environment or safety.General thermal insulating coating is divided into isolation-type, reflection-type and Radiation Heat-insulated Paint three class.Wherein, Radiation Heat-insulated Paint is by transferring the UV-light in the sun power absorbed, visible ray and near infrared luminous energy to heat energy, in 8-13. 5 mu m waveband, pass air infrared window in the mode of ir radiation, be transmitted into air skin efficiently, thus reach the object reducing temperature.The distinguishing feature that Radiation Heat-insulated Paint is different from other two classes thermal insulating coatings is: all the other two class thermal insulating coatings can only slow down but can not the transmission of block heat, and Radiation Heat-insulated Paint can fall with the heat radiation of the form of heat emission by absorption, thus impel that coating is inside and outside lowers the temperature with same speed.
Nano titanium oxide has certain photocatalytic degradation characteristic, patent CN101067062 discloses one " high performance outer wall paint and preparation method thereof ", this is that a kind of organosilicon and organic fluorine used is as filmogen, make nano-titania particle stable existence in coating system, give full play to the catalytic self-cleaning function of nano titanium oxide.
Summary of the invention
The object of this invention is to provide a kind of for external wall radiation heat insulation coating with self-cleaning effect and preparation method thereof, by heat-insulating and exterior wall is self-cleaning is integrated in one.
In order to realize object of the present invention, the present invention is by following scheme implementation:
There is for external wall the radiation heat insulation coating of self-cleaning effect, be made up of the raw material of following weight part: iolite-base compound infrared radiant material 21-23, polyvinylpyrrolidone 1.5-2, pure-acrylic emulsion 40-42, Rutile type Titanium Dioxide 9-10, dehydrated alcohol 20-22, deionized water 29-31, nano titanium oxide 3-5, silicone oil 2-3, furfuryl alcohol resin 2-3, diethanolamine of fat acyl 0.9-1.2, Vinlub 0.6-0.8;
Described iolite-base compound infrared radiant material is prepared from by the raw material of following weight part: trichroite 50-60, ferric oxide 30-35, silicon carbide 15-20, cobalt sesquioxide 20-25, zirconium white 20-25, Manganse Dioxide 10-15, sodium alginate 3-5, polyvinyl alcohol 4-5, aluminium powder 3-4,20% aqueous solution of urea 22-25; Preparation method is as follows: polyvinyl alcohol is dissolved in all powder constituents added after in the deionized water of 20 times amount except sodium alginate, aluminium powder, even with the speed dispersed with stirring of 800 revs/min, then the aqueous solution of urea of 20% is added, after 80 DEG C of stirred in water bath react 6 hours, ageing is carried out centrifugal in 2 hours again, retain solid, last washing and drying obtains powder A; Again sodium alginate is dissolved in the water of 5 times amount; be heated to while stirring dissolve completely; then extruding pelletization in tablets press is together joined with powder A, aluminium powder; the particle made is put into electric furnace, toasts 60 minutes with the temperature of 250-300 DEG C, then increase the temperature to 1150 DEG C; continue calcining 2-2.5 hour; taking-up is cooled to room temperature, is pulverized by the particle after calcining, crosses 200 mesh sieves and get final product.
A kind of radiation heat insulation coating for external wall with self-cleaning effect of the present invention, be made up of following concrete steps:
(1) iolite-base compound infrared radiant material is mixed with dehydrated alcohol, stir formation dispersion liquid, add polyvinylpyrrolidone again, be uniformly mixed rear ultrasonic disperse 20-30 minute, then ball milling 60-90 minute, during ball milling, control temperature is at 35-45 DEG C, obtains iolite-base compound infrared radiant material ethanol dispersed paste;
(2) Rutile type Titanium Dioxide, nano titanium oxide are put into ball mill and carried out ball milling 30-40 minute, then Vinlub is added, continue stirring 10 minutes, form the mixed powder A of surface active, it is 2400-2800 rev/min that whole mechanical milling process controls rotational speed of ball-mill, and temperature is 80-90 DEG C;
(3) diethanolamine of fat acyl is added in deionized water, slowly add mixed powder A, homogenizer is moved to after stirring 40-60 minute with the speed of 800 revs/min, slowly add iolite-base compound infrared radiant material ethanol dispersed paste, with the Rate Dispersion 30 minutes of 3500-4000 rev/min, obtain mixed slurry;
(4) in mixed slurry, add the pure-acrylic emulsion, the furfuryl alcohol resin that modulate lentamente, then add all the other remaining components, stir 30-40 minute, then Ball milling 2-2.5 hour with the speed of 500-550 rev/min, to obtain final product.
Excellent effect of the present invention is: first the present invention prepares iolite-base compound infrared radiant material, add urea after being uniformly dispersed by powder body material to precipitate, then granulation, add pore-forming material polyvinylpyrrolidone, aluminium powder etc. in process, can not only be formed under the effect of high temperature and there is fluffy fine and closely woven hole; Metal ion simultaneously in raw material and oxonium ion rearrange more stable spinel structure or the rutile-type structure of rear formation, and dual function improves infrared emittance; And by with trichroite compound, can dull the color, be beneficial to practical application.The iolite-base compound infrared radiant material prepared adds in the preparation of coating as filler by the present invention, then the present invention is mixed and made into all the other compositions after Rutile type Titanium Dioxide etc. being carried out surface active, have that granularity is little, film is fine and smooth, heat insulation and heat control, environmental protection self-cleaning effect, skin and roofing cleaning can be kept, preparation technology is convenient to Industry Control simultaneously, cost is low, is worth spread.
Embodiment
Below by specific examples, the present invention is described in detail.
There is for external wall the radiation heat insulation coating of self-cleaning effect, be made up of the raw material of following weight part (kilogram): iolite-base compound infrared radiant material 21, polyvinylpyrrolidone 1.5, pure-acrylic emulsion 40, Rutile type Titanium Dioxide 9, dehydrated alcohol 20, deionized water 29, nano titanium oxide 3, silicone oil 2, furfuryl alcohol resin 2, diethanolamine of fat acyl 0.9, Vinlub 0.6;
Described iolite-base compound infrared radiant material is prepared from by the raw material of following weight part (kilogram): the aqueous solution of urea 22 of trichroite 50, ferric oxide 30, silicon carbide 15, cobalt sesquioxide 20, zirconium white 20, Manganse Dioxide 10, sodium alginate 3, polyvinyl alcohol 4, aluminium powder 3,20%; Preparation method is as follows: polyvinyl alcohol is dissolved in all powder constituents added after in the deionized water of 20 times amount except sodium alginate, aluminium powder, even with the speed dispersed with stirring of 800 revs/min, then the aqueous solution of urea of 20% is added, after 80 DEG C of stirred in water bath react 6 hours, ageing is carried out centrifugal in 2 hours again, retain solid, last washing and drying obtains powder A; Again sodium alginate is dissolved in the water of 5 times amount; be heated to while stirring dissolve completely; then extruding pelletization in tablets press is together joined with powder A, aluminium powder; the particle made is put into electric furnace, toasts 60 minutes with the temperature of 250-300 DEG C, then increase the temperature to 1150 DEG C; continue calcining 2 hours; taking-up is cooled to room temperature, is pulverized by the particle after calcining, crosses 200 mesh sieves and get final product.
A kind of radiation heat insulation coating for external wall with self-cleaning effect of the present invention, be made up of following concrete steps:
(1) iolite-base compound infrared radiant material is mixed with dehydrated alcohol, stir formation dispersion liquid, add polyvinylpyrrolidone again, be uniformly mixed rear ultrasonic disperse 20 minutes, then ball milling 60 minutes, during ball milling, control temperature is at 35-45 DEG C, obtains iolite-base compound infrared radiant material ethanol dispersed paste;
(2) Rutile type Titanium Dioxide, nano titanium oxide are put into ball mill and carried out ball milling 30 minutes, then add Vinlub, continue stirring 10 minutes, form the mixed powder A of surface active, it is 2400 revs/min that whole mechanical milling process controls rotational speed of ball-mill, and temperature is 80-90 DEG C;
(3) diethanolamine of fat acyl is added in deionized water, slowly add mixed powder A, homogenizer is moved to after stirring 40 minutes with the speed of 800 revs/min, slowly add iolite-base compound infrared radiant material ethanol dispersed paste, with the Rate Dispersion 30 minutes of 3500 revs/min, obtain mixed slurry;
(4) in mixed slurry, add the pure-acrylic emulsion, the furfuryl alcohol resin that modulate lentamente, then add all the other remaining components, stir 30 minutes with the speed of 500 revs/min, then Ball milling 2 hours, to obtain final product.
The coating appearance that the present invention produces normally, without precipitation, without caking, is tested all without exception by water tolerance test in 160 hours, alkaline resistance test in 50 hours, 10000 abrasion resistances; Artificial ageing resistance is tested: 2000 hours non-foaming, do not peel off, flawless; Hemispherical emissivity test meets the requirement of regulation coating hemispherical emissivity >=85% in JC/T 1040-2007 " heat-reflecting insulating coating for outer surface of building ".
Claims (2)
1. one kind has the radiation heat insulation coating of self-cleaning effect for external wall, it is characterized in that, be made up of the raw material of following weight part: iolite-base compound infrared radiant material 21-23, polyvinylpyrrolidone 1.5-2, pure-acrylic emulsion 40-42, Rutile type Titanium Dioxide 9-10, dehydrated alcohol 20-22, deionized water 29-31, nano titanium oxide 3-5, silicone oil 2-3, furfuryl alcohol resin 2-3, diethanolamine of fat acyl 0.9-1.2, Vinlub 0.6-0.8;
Described iolite-base compound infrared radiant material is prepared from by the raw material of following weight part: trichroite 50-60, ferric oxide 30-35, silicon carbide 15-20, cobalt sesquioxide 20-25, zirconium white 20-25, Manganse Dioxide 10-15, sodium alginate 3-5, polyvinyl alcohol 4-5, aluminium powder 3-4,20% aqueous solution of urea 22-25; Preparation method is as follows: polyvinyl alcohol is dissolved in all powder constituents added after in the deionized water of 20 times amount except sodium alginate, aluminium powder, even with the speed dispersed with stirring of 800 revs/min, then the aqueous solution of urea of 20% is added, after 80 DEG C of stirred in water bath react 6 hours, ageing is carried out centrifugal in 2 hours again, retain solid, last washing and drying obtains powder A; Again sodium alginate is dissolved in the water of 5 times amount; be heated to while stirring dissolve completely; then extruding pelletization in tablets press is together joined with powder A, aluminium powder; the particle made is put into electric furnace, toasts 60 minutes with the temperature of 250-300 DEG C, then increase the temperature to 1150 DEG C; continue calcining 2-2.5 hour; taking-up is cooled to room temperature, is pulverized by the particle after calcining, crosses 200 mesh sieves and get final product.
2. a kind of radiation heat insulation coating for external wall with self-cleaning effect according to claim 1, is characterized in that, be made up of following concrete steps:
(1) iolite-base compound infrared radiant material is mixed with dehydrated alcohol, stir formation dispersion liquid, add polyvinylpyrrolidone again, be uniformly mixed rear ultrasonic disperse 20-30 minute, then ball milling 60-90 minute, during ball milling, control temperature is at 35-45 DEG C, obtains iolite-base compound infrared radiant material ethanol dispersed paste;
(2) Rutile type Titanium Dioxide, nano titanium oxide are put into ball mill and carried out ball milling 30-40 minute, then Vinlub is added, continue stirring 10 minutes, form the mixed powder A of surface active, it is 2400-2800 rev/min that whole mechanical milling process controls rotational speed of ball-mill, and temperature is 80-90 DEG C;
(3) diethanolamine of fat acyl is added in deionized water, slowly add mixed powder A, homogenizer is moved to after stirring 40-60 minute with the speed of 800 revs/min, slowly add iolite-base compound infrared radiant material ethanol dispersed paste, with the Rate Dispersion 30 minutes of 3500-4000 rev/min, obtain mixed slurry;
(4) in mixed slurry, add the pure-acrylic emulsion, the furfuryl alcohol resin that modulate lentamente, then add all the other remaining components, stir 30-40 minute, then Ball milling 2-2.5 hour with the speed of 500-550 rev/min, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120117.8A CN104761984A (en) | 2015-03-18 | 2015-03-18 | Radiation heat-insulating coating having self-cleaning function and being used for external wall of buildings and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120117.8A CN104761984A (en) | 2015-03-18 | 2015-03-18 | Radiation heat-insulating coating having self-cleaning function and being used for external wall of buildings and preparation method thereof |
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| CN104761984A true CN104761984A (en) | 2015-07-08 |
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| CN201510120117.8A Pending CN104761984A (en) | 2015-03-18 | 2015-03-18 | Radiation heat-insulating coating having self-cleaning function and being used for external wall of buildings and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249321A (en) * | 1999-09-22 | 2000-04-05 | 赵石林 | Radioresistant insulating water paint |
| CN1597807A (en) * | 2003-09-17 | 2005-03-23 | 北新建材(集团)有限公司 | Coating with infrared radiation effect and preparation process thereof |
| CN103788849A (en) * | 2012-11-01 | 2014-05-14 | 深圳市润物科技有限公司 | Low-carbon energy-saving coating |
-
2015
- 2015-03-18 CN CN201510120117.8A patent/CN104761984A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249321A (en) * | 1999-09-22 | 2000-04-05 | 赵石林 | Radioresistant insulating water paint |
| CN1597807A (en) * | 2003-09-17 | 2005-03-23 | 北新建材(集团)有限公司 | Coating with infrared radiation effect and preparation process thereof |
| CN103788849A (en) * | 2012-11-01 | 2014-05-14 | 深圳市润物科技有限公司 | Low-carbon energy-saving coating |
Non-Patent Citations (1)
| Title |
|---|
| 张明: "《纳米与新材料专辑Ⅱ》", 25 April 2004 * |
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Application publication date: 20150708 |