CN110951331A - Transition metal composite oxide solar heat-absorbing coating and preparation method thereof - Google Patents
Transition metal composite oxide solar heat-absorbing coating and preparation method thereof Download PDFInfo
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/36—Pearl essence, e.g. coatings containing platelet-like pigments for pearl lustre
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention relates to the field of solar coatings, in particular to a transition metal composite oxide solar heat-absorbing coating and a preparation method thereof; the feed is prepared from the following raw materials: transition metal oxide, porous powder quartz, butyral, fluorocarbon resin, sodium dodecyl sulfate, amino resin, toluenesulfonic acid, modified acrylate resin, phenyl salicylate, benzoate, pearl powder, ethyl acetate, methyl butanone and buffer solution; the coating prepared by the invention has excellent heat absorption performance; the addition of the porous powder quartz filler ensures that the coating has the characteristics of good hardness and impact resistance, and has the functions of fire prevention and water prevention. The coating prepared by the invention has good adhesive property to materials such as glass, metal, fiber and the like; the addition of the pearl powder enables the coating to have the advantages of no toxicity, corrosion resistance, fast drying of a coating film, strong adhesion, durability and the like, and meanwhile, the coating is coated on the surface of the solar tube to enable the solar tube to have metallic luster.
Description
Technical Field
The invention relates to the field of solar coatings, in particular to a transition metal composite oxide solar heat-absorbing coating and a preparation method thereof.
Background
The solar energy absorbing paint is mainly divided into a spectral selective absorbing paint and a high-absorptivity absorbing paint, wherein the spectral selective absorbing paint is a special paint which has high absorption to visible-near infrared light and high reflection to infrared light, namely, the paint can effectively absorb solar energy, and the heat loss caused by self long wave after heating is very small, so that the paint is widely applied to solar energy photo-thermal conversion, such as solar water heaters, solar power generation and the like. The solar heat absorption coating plays an important role in receiving and absorbing solar energy, and influences the stability and efficiency of the whole solar heat absorption system. The solar heat-absorbing paint is a functional paint, a film made of the paint converts solar radiation energy into heat energy, and the film works under outdoor conditions and has good weather resistance and water resistance.
In patent document CN201110095804.0, a solar energy absorbing paint is disclosed, wherein the absorbing paint is prepared from the following raw materials: resin, absorbent, extender pigment, auxiliary agent and solvent. The solar energy absorbing paint provided by the invention overcomes the defect of single color and poor decoration, provides a color paint with certain coordination with the environment, and has excellent weather resistance, light retention and color retention.
Although the solar energy absorbing paint prepared by the patent documents has the defects of poor single color decoration, provides a color paint with certain coordination with the environment, and has excellent weather resistance, light retention and color retention, the paint has poor heat absorption effect, does not have water resistance, has poor corrosion resistance and does not have metallic luster.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the transition metal composite oxide solar heat-absorbing coating and the preparation method thereof, and the prepared solar heat-absorbing coating has the advantages of low cost, good light stability, good heat-absorbing effect, better shock resistance and corrosion resistance, and metallic luster.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a transition metal composite oxide solar heat-absorbing coating is prepared from the following raw materials in parts by weight: 25-34 parts of transition metal oxide, 1-5 parts of porous powder quartz, 6-9 parts of butyral, 14-20 parts of fluorocarbon resin, 2-3 parts of sodium dodecyl sulfate, 3-5 parts of amino resin, 0.1-0.3 part of toluenesulfonic acid, 0.2-0.5 part of modified acrylate resin, 1.5-2.5 parts of phenyl salicylate, 1.5-2.5 parts of benzoate, 3-5 parts of pearl powder, 40-50 parts of ethyl acetate and methyl butanone and 0.1-0.5 part of buffer solution.
Preferably, the preparation method of the transition metal composite oxide solar heat absorption coating comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 120-180min to ensure that the fineness of the solid raw materials is less than 10 mu m, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 1-5min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 120-fold sand-adding 300min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a constant speed of 800r/min at a rotation speed of 600-;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at constant speed for 20-40min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 120 and 180 meshes to obtain the transition metal composite oxide coating.
Preferably, the transition metal oxide powder comprises at least one of a ferro-manganese composite oxide, a ferro-copper composite oxide and a copper-chromium composite oxide, wherein the particle size of the ferro-manganese composite oxide is less than or equal to 100nm, the particle size of the ferro-copper composite oxide is 300-400nm, and the particle size of the copper-chromium composite oxide is 300-400 nm.
Preferably, the fluorocarbon resin is at least one of a delsmann resin and a wanbo resin.
Preferably, the amount of ethyl acetate and methyl butanone added in the step b is 2-3 times of the amount of the sodium dodecyl sulfate powder.
Preferably, the stirring speed in the step d and the step e is 800-.
Preferably, the preparation of the buffer solution comprises the following steps: 0.68g of monopotassium phosphate is taken, 29.1ml of 0.1mol/L sodium hydroxide solution is added, and deionized water is used for diluting the solution to 100ml, so that the potassium phosphate-potassium mixed solution is obtained.
Has the advantages that:
the coating prepared by the invention has excellent heat absorption performance; the coating has strong decoration, is suitable for being used on solar houses and water heaters, has good hardness and impact resistance due to the addition of the porous powder quartz filler, has the functions of fire prevention and water prevention, and is an environment-friendly and cheap filler material. The addition of the butyral assistant ensures that the paint has good light resistance, film forming property and impact resistance. The paint prepared by the invention has good adhesive property to materials such as glass, metal, fiber and the like, and the addition of the fluorocarbon resin ensures that the paint has excellent corrosion resistance, strong adhesion and super-long weather resistance. The modified acrylic resin is added, so that the coating has good film-forming property and corrosion resistance; the phenyl salicylate and the benzoate have good synergistic effect when used together, the light stability of the coating can be improved, the coating prepared by the method has the advantages of no toxicity, corrosion resistance, fast drying of a coating film, strong adhesion, durability and the like due to the addition of the pearl powder, and meanwhile, the solar tube has metallic luster due to the coating of the coating on the surface of the solar tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
a transition metal composite oxide solar heat-absorbing coating is prepared from the following raw materials in parts by weight: 25 parts of transition metal oxide, 3 parts of porous powder quartz, 6 parts of butyral, 16 parts of fluorocarbon resin, 2 parts of sodium dodecyl sulfate, 4 parts of amino resin, 0.1 part of toluenesulfonic acid, 0.3 part of modified acrylate resin, 1.5 parts of phenyl salicylate, 2 parts of benzoate, 3 parts of pearl powder, 45 parts of ethyl acetate and methyl butanone and 0.1 part of buffer solution.
A preparation method of a transition metal composite oxide solar heat-absorbing coating comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 120min to make the fineness of the solid raw materials reach below 10 μm, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 3min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding a buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 120min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a stirring speed of 600r/min for 80min at a constant speed to obtain a mixed solution C;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at a constant speed for 20min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 140 to obtain the transition metal composite oxide coating.
The addition amount of ethyl acetate and methyl butanone in step b is 2 times of the amount of the sodium dodecyl sulfate powder.
In the step c, the transition metal oxide powder is iron-manganese composite oxide powder.
In the step c, the fluorocarbon resin is Tesmann resin, and the pH value of the buffer solution is 6.8-7.0.
The stirring speed in step e is 800 r/min.
Example 2:
a transition metal composite oxide solar heat-absorbing coating is prepared from the following raw materials in parts by weight: 28 parts of transition metal oxide, 1 part of porous powder quartz, 7 parts of butyral, 14 parts of fluorocarbon resin, 2 parts of sodium dodecyl sulfate, 3 parts of amino resin, 0.2 part of toluenesulfonic acid, 0.2 part of modified acrylate resin, 2 parts of phenyl salicylate, 1.5 parts of benzoate, 4 parts of pearl powder, 40 parts of ethyl acetate and methyl butanone and 0.2 part of buffer solution.
A preparation method of a transition metal composite oxide solar heat-absorbing coating comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 140min to make the fineness of the solid raw materials reach below 10 μm, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 1min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding a buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 180min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a constant speed of 700r/min for 60min to obtain a mixed solution C;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at a constant speed for 30min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 120 to obtain the transition metal composite oxide coating.
The amount of ethyl acetate and methyl butanone added in step b was 2.5 times the amount of sodium lauryl sulfate powder.
In the step c, the transition metal oxide powder is iron-copper composite oxide powder.
In the step c, the fluorocarbon resin is Tesmann resin, and the pH value of the buffer solution is 6.8-7.0.
The stirring speed in step e is 900 r/min.
Example 3:
a transition metal composite oxide solar heat-absorbing coating is prepared from the following raw materials in parts by weight: 31 parts of transition metal oxide, 5 parts of porous powder quartz, 8 parts of butyral, 20 parts of fluorocarbon resin, 3 parts of sodium dodecyl sulfate, 5 parts of amino resin, 0.2 part of toluenesulfonic acid, 0.5 part of modified acrylate resin, 2 parts of phenyl salicylate, 2.5 parts of benzoate, 4 parts of pearl powder, ethyl acetate, 50 parts of methyl butanone and 0.3 part of buffer solution.
A preparation method of a transition metal composite oxide solar heat-absorbing coating comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 160min to make the fineness of the solid raw materials reach below 10 μm, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 5min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding a buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 240min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a constant speed of 700r/min for 120min to obtain a mixed solution C;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at a constant speed for 30min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 180 to obtain the transition metal composite oxide coating.
The amount of ethyl acetate and methyl butanone added in step b was 2.5 times the amount of sodium lauryl sulfate powder.
In the step c, the transition metal oxide powder is copper-chromium composite oxide powder.
In the step c, the fluorocarbon resin is Wanbo resin, and the pH value of the buffer solution is 6.8-7.0.
The stirring speed in step e is 1000 r/min.
Example 4:
a transition metal composite oxide solar heat-absorbing coating is prepared from the following raw materials in parts by weight: 34 parts of transition metal oxide, 4 parts of porous powder quartz, 9 parts of butyral, 18 parts of fluorocarbon resin, 3 parts of sodium dodecyl sulfate, 4 parts of amino resin, 0.3 part of toluenesulfonic acid, 0.4 part of modified acrylate resin, 2.5 parts of phenyl salicylate, 2 parts of benzoate, 5 parts of pearl powder, 45 parts of ethyl acetate and methyl butanone and 0.5 part of buffer solution.
A preparation method of a transition metal composite oxide solar heat-absorbing coating comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 180min to make the fineness of the solid raw materials reach below 10 μm, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 4min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding a buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 300min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a constant speed of 800r/min for 100min to obtain a mixed solution C;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at a constant speed for 40min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 160 to obtain the transition metal composite oxide coating.
The addition amount of ethyl acetate and methyl butanone in step b is 3 times of the amount of the sodium dodecyl sulfate powder.
In the step c, the transition metal oxide powder is copper-chromium and iron-copper composite oxide powder.
In the step c, the fluorocarbon resin is Wanbo resin, and the pH value of the buffer solution is 6.8-7.0.
The stirring speed in step e is 1200 r/min.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A transition metal composite oxide solar heat absorption coating is characterized in that: the feed is prepared from the following raw materials in parts by weight: 25-34 parts of transition metal oxide, 1-5 parts of porous powder quartz, 6-9 parts of butyral, 14-20 parts of fluorocarbon resin, 2-3 parts of sodium dodecyl sulfate, 3-5 parts of amino resin, 0.1-0.3 part of toluenesulfonic acid, 0.2-0.5 part of modified acrylate resin, 1.5-2.5 parts of phenyl salicylate, 1.5-2.5 parts of benzoate, 3-5 parts of pearl powder, 40-50 parts of ethyl acetate and methyl butanone and 0.1-0.5 part of buffer solution.
2. The method for preparing a transition metal composite oxide solar heat absorption coating according to claim 1, wherein: the method comprises the following steps:
a. respectively placing the solid raw materials in a ball mill, grinding and dispersing for 120-180min to ensure that the fineness of the solid raw materials is less than 10 mu m, and storing for later use;
b. adding sodium dodecyl sulfate powder into a reaction vessel, putting a certain amount of ethyl acetate and methyl butanone into the reaction vessel, and uniformly stirring and mixing the system in a mixer for 1-5min to obtain a mixed component A;
c. adding transition metal oxide powder, pearl powder, fluorocarbon resin, butyral, amino resin and toluenesulfonic acid into the mixed component A, adding buffer solution and the balance of ethyl acetate and methyl butanone, and dispersing for 120-fold sand-adding 300min by using ultrasonic waves under the mechanical stirring to obtain a dispersion system B;
d. adding porous powder quartz and modified acrylate resin into the dispersion system B, and stirring at a constant speed of 800r/min at a rotation speed of 600-;
e. adding phenyl salicylate and benzoate into the mixed solution C, and stirring at constant speed for 20-40min to obtain a coating;
f. and e, filtering the coating obtained in the step e by using a filter screen with the mesh number of 120-180 to obtain the transition metal composite oxide coating.
3. The transition metal composite oxide solar heat absorption coating according to claim 1, wherein: the transition metal oxide powder includes at least one of a manganese iron composite oxide, a copper iron composite oxide, and a copper chromium composite oxide.
4. The transition metal composite oxide solar heat absorption coating according to claim 1, wherein: the fluorocarbon resin is one of Tesmann resin and Wanbo resin.
5. The transition metal composite oxide solar heat absorption coating according to claim 1, wherein: and the adding amount of the ethyl acetate and the methyl butanone in the step b is 2-3 times of the amount of the sodium dodecyl sulfate powder.
6. The transition metal composite oxide solar heat absorption coating according to claim 2, wherein: the stirring speed in the step e is 800-.
7. The transition metal composite oxide solar heat absorption coating according to claim 1, wherein the preparation of the buffer solution comprises the following steps: 0.68g of monopotassium phosphate is taken, 29.1ml of 0.1mol/L sodium hydroxide solution is added, and deionized water is used for diluting the solution to 100ml, so that the potassium phosphate-potassium mixed solution is obtained.
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|---|---|---|---|---|
| CN102280161A (en) * | 2011-08-18 | 2011-12-14 | 陈晓东 | Conductive paste for positive electrode of crystal silicon solar cell and preparation method of conductive paste |
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| CN108342114A (en) * | 2018-01-26 | 2018-07-31 | 江苏双能太阳能有限公司 | A kind of new type solar energy heat-absorbing paint |
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2019
- 2019-12-02 CN CN201911211290.3A patent/CN110951331A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280161A (en) * | 2011-08-18 | 2011-12-14 | 陈晓东 | Conductive paste for positive electrode of crystal silicon solar cell and preparation method of conductive paste |
| WO2017002920A1 (en) * | 2015-07-01 | 2017-01-05 | 日本化薬株式会社 | Pigment dispersion liquid containing organic color pigment and infrared absorbing dye, colored resin composition, and optical filter |
| CN107523156A (en) * | 2017-07-28 | 2017-12-29 | 明光市金洋太阳能有限公司 | A kind of solar energy heat-absorbing paint |
| CN108342114A (en) * | 2018-01-26 | 2018-07-31 | 江苏双能太阳能有限公司 | A kind of new type solar energy heat-absorbing paint |
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| 王澜等: "《高分子材料》", 31 January 2009, 中国轻工业出版社 * |
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