CN112300641A - Self-cleaning coating for aluminum alloy doors and windows and preparation method thereof - Google Patents
Self-cleaning coating for aluminum alloy doors and windows and preparation method thereof Download PDFInfo
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- 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
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- 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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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a self-cleaning coating for aluminum alloy doors and windows and a preparation method thereof, wherein the self-cleaning coating comprises the following components in percentage by mass: 50-60 parts of combined resin, 20-25 parts of ethyl acetate, 16-18 parts of propylene glycol methyl ether acetate, 10-12 parts of nano titanium dioxide, 3-5 parts of graphene, 15-18 parts of polydimethylsiloxane, 2-4 parts of ultraviolet light absorber, 2-4 parts of light stabilizer and 13-16 parts of filler; the fluorocarbon resin molecular structure in the combined resin can resist the degradation of ultraviolet rays and the invasion of other media, so that the self-cleaning coating has excellent durability and weather resistance, and the polydimethylsiloxane has the advantages of small surface tension and the like.
Description
Technical Field
The invention relates to the field of aluminum alloy door and window coatings, in particular to a self-cleaning coating for aluminum alloy doors and windows and a preparation method thereof.
Background
The aluminum alloy door and window refers to the door and window which is made by adopting an aluminum alloy extruded section as a frame, a stile and a sash material and is called as an aluminum alloy door and window, the aluminum alloy door and window is called as an aluminum alloy door and window for short, the aluminum alloy door and window comprises a door and window which takes aluminum alloy as a stress rod piece base material and is compounded with wood and plastic, and the aluminum alloy has the characteristics of small density, high specific strength and specific rigidity, excellent castability, good processing performance, good damping and shock absorption performance and the like and is very suitable for being used as a;
the surface of the traditional aluminum alloy door and window is generally not subjected to other treatment, most of the traditional aluminum alloy door and window surfaces are simply coated with a layer of protective coating for simple anti-oxidation protection, but stains are easy to gather on the surface of the aluminum alloy door and window after a long time, and when some coatings with stain resistance have a stain resistance effect, the absorption stains are isolated from permeating into the aluminum alloy door and window only through the compactness of a coating film, the absorption stains on the surface of the aluminum alloy door and window cannot be self-cleaned, and the perfect stain resistance effect on the surface of the aluminum alloy door and window cannot be achieved.
Disclosure of Invention
Aiming at the problems, the invention provides a self-cleaning coating for aluminum alloy doors and windows and a preparation method thereof, wherein the molecular structure of fluorocarbon resin in combined resin can resist the degradation of ultraviolet rays and the invasion of other media, so that the self-cleaning coating can show excellent durability and weather resistance, polydimethylsiloxane has the advantages of small surface tension, heat resistance, cold resistance and small change of viscosity along with temperature, the surface tension of the prepared self-cleaning coating can be reduced after the polydimethylsiloxane is cooperated with other components in the self-cleaning coating, inhalation stains can be effectively prevented from permeating a coating, the formed coating has a high hydrophobic angle, and various adsorption stains in the air are difficult to adhere to the surface of the coating.
The invention provides a self-cleaning coating for aluminum alloy doors and windows, which comprises the following components in percentage by mass: 50-60 parts of combined resin, 20-25 parts of ethyl acetate, 16-18 parts of propylene glycol methyl ether acetate, 10-12 parts of nano titanium dioxide, 5-7 parts of nano aluminum nitride, 3-5 parts of graphene, 15-18 parts of polydimethylsiloxane, 5-8 parts of silane coupling agent, 2-3 parts of cobalt black, 3-5 parts of flatting agent, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-2 parts of wetting agent, 2-4 parts of ultraviolet light absorber, 2-4 parts of light stabilizer and 13-16 parts of filler.
The further improvement lies in that: comprises the following components in percentage by mass: 55 parts of combined resin, 23 parts of ethyl acetate, 17 parts of propylene glycol methyl ether acetate, 11 parts of nano titanium dioxide, 6 parts of nano aluminum nitride, 4 parts of graphene, 16 parts of polydimethylsiloxane, 7 parts of silane coupling agent, 2.5 parts of cobalt black, 4 parts of flatting agent, 4 parts of dispersing agent, 2 parts of defoaming agent, 1.5 parts of wetting agent, 3 parts of ultraviolet light absorber, 3 parts of light stabilizer and 15 parts of filler.
The further improvement lies in that: the composite resin is compounded by fluorocarbon resin, acrylic resin, epoxy resin and polyester resin according to the proportion of 10:1:1: 1.
The further improvement lies in that: the ultraviolet light absorber is a benzotriazole ultraviolet light absorber, and the light stabilizer is a hindered amine light stabilizer.
The further improvement lies in that: the filler is composed of a first filler and a second filler in a ratio of 1:1, the first filler is a mixture of precipitated barium sulfate, talcum powder, mica sheets, glass flakes and quartz powder which are sieved by a 500-fold 600-mesh sieve, and the second filler is nano silicon dioxide and nano silicon carbide.
A preparation method of a self-cleaning coating for aluminum alloy doors and windows comprises the following steps:
the method comprises the following steps: adding the combined resin into stirring equipment for carrying out first mixing and stirring for 20-25 minutes, controlling the first mixing and stirring rotating speed in the stirring equipment to be 500-550 revolutions per minute, then reducing the stirring rotating speed in the stirring equipment, sequentially adding the dispersing agent, the leveling agent, the ethyl acetate and the wetting agent, carrying out second mixing and stirring for 30-35 minutes, and preparing a base material;
step two: introducing the base material in the stirring equipment into ultrasonic dispersion equipment for ultrasonic dispersion treatment for 10-12 minutes;
step three: adding the filler, cobalt black, an ultraviolet absorber, a light stabilizer, nano titanium dioxide, nano aluminum nitride, graphene, nano aluminum nitride, a silane coupling agent and a defoaming agent into stirring equipment, stirring for 45-50 minutes, and then introducing the base material in the ultrasonic dispersion equipment into the stirring equipment, and stirring together for 15-20 minutes to prepare a mixture;
step four: and introducing the mixture into a homogenizer for homogenizing for 13-15 minutes, adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 15-18 minutes, and then homogenizing for 10-12 minutes again to prepare the self-cleaning coating.
The further improvement lies in that: in the first step, the stirring speed in the stirring equipment is reduced to 250-.
The further improvement lies in that: and in the second step, during ultrasonic dispersion treatment, the pressure in the ultrasonic dispersion equipment is controlled to be 0.95-0.98 MPa.
The further improvement lies in that: the third step is specifically as follows: the filler, the cobalt black, the ultraviolet absorber, the light stabilizer, the nano titanium dioxide, the nano aluminum nitride, the graphene, the nano aluminum nitride, the silane coupling agent and the defoaming agent are sequentially added into stirring equipment to be stirred for 45-50 minutes, the stirring speed in the stirring equipment is controlled to be 380-.
The further improvement lies in that: the fourth step is specifically as follows: introducing the mixture into a homogenizer for homogenizing for 13-15 minutes, controlling the pressure in the homogenizer to be 1.12-1.15 MPa, then adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 15-18 minutes, then carrying out homogenizing treatment for 10-12 minutes again, and controlling the mixing and stirring speed to be 450-.
The invention has the beneficial effects that: the fluorocarbon resin molecular structure in the combined resin can resist the degradation of ultraviolet rays and resist the invasion of other media, the fluorocarbon resin molecular structure is used as the main component of the self-cleaning coating, the self-cleaning coating can show excellent durability and weather resistance, polydimethylsiloxane has the advantages of small surface tension, heat resistance, cold resistance and small change of viscosity along with temperature, the surface tension of the prepared self-cleaning coating can be reduced after the fluorocarbon resin molecular structure is cooperated with other components in the self-cleaning coating, the self-cleaning coating has strong adhesive capacity, a continuous and compact coating can be formed, inhalation stains can be effectively prevented from permeating the coating, the formed coating has a high hydrophobic angle, various adsorption stains in the air are difficult to adhere to the surface of the coating, the coating is easy to clean and has stable luster, the stain resistance of the surface of an aluminum alloy door and window can be effectively improved, and the ultraviolet light absorber and light stabilizer can improve the resistance of the, the coating has long service life, and the quality and the attractiveness of the aluminum alloy door and window are improved.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
A self-cleaning coating for aluminum alloy doors and windows comprises the following components in percentage by mass: 50 parts of combined resin, 20 parts of ethyl acetate, 16 parts of propylene glycol methyl ether acetate, 10 parts of nano titanium dioxide, 5 parts of nano aluminum nitride, 3 parts of graphene, 15 parts of polydimethylsiloxane, 5 parts of silane coupling agent, 2 parts of cobalt black, 3 parts of flatting agent, 3 parts of dispersing agent, 1 part of defoaming agent, 1 part of wetting agent, 2 parts of ultraviolet light absorber, 2 parts of light stabilizer and 13 parts of filler.
The composite resin is compounded by fluorocarbon resin, acrylic resin, epoxy resin and polyester resin according to the proportion of 10:1:1: 1.
The ultraviolet light absorber is a benzotriazole ultraviolet light absorber, and the light stabilizer is a hindered amine light stabilizer.
The filler is composed of a first filler and a second filler in a ratio of 1:1, the first filler is a mixture of precipitated barium sulfate, talcum powder, mica sheets, glass flakes and quartz powder which are sieved by a 550-mesh sieve, and the second filler is nano silicon dioxide and nano silicon carbide.
A preparation method of a self-cleaning coating for aluminum alloy doors and windows comprises the following steps:
the method comprises the following steps: adding the combined resin into stirring equipment, mixing and stirring for the first time for 22 minutes, controlling the first mixing and stirring speed in the stirring equipment to be 520 revolutions per minute, reducing the stirring speed in the stirring equipment to be 280 revolutions per minute, sequentially adding a dispersing agent, a leveling agent, ethyl acetate and a wetting agent into the stirring equipment at the speed of 280 revolutions per minute, mixing and stirring for the second time for 32 minutes, and controlling the second stirring speed to be 380 revolutions per minute to prepare a base material;
step two: introducing the base material in the stirring equipment into ultrasonic dispersion equipment for ultrasonic dispersion treatment for 11 minutes, and controlling the pressure in the ultrasonic dispersion equipment to be 0.96 MPa during the ultrasonic dispersion treatment;
step three: sequentially adding the filler, cobalt black, an ultraviolet absorber, a light stabilizer, nano titanium dioxide, nano aluminum nitride, graphene, nano aluminum nitride, a silane coupling agent and a defoaming agent into stirring equipment to stir for 48 minutes, controlling the stirring speed in the stirring equipment to be 400 revolutions per minute, then introducing the base material in the ultrasonic dispersion equipment into the stirring equipment to stir for 17 minutes together, and controlling the stirring speed to be 290 revolutions per minute to prepare a mixture;
step four: and introducing the mixture into a homogenizer for homogenizing for 14 minutes, controlling the pressure in the homogenizer to be 1.13 MPa, then adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 16 minutes, then carrying out homogenizing again for 11 minutes, and controlling the mixing and stirring speed to be 500 revolutions per minute to prepare the self-cleaning coating.
Example two
A self-cleaning coating for aluminum alloy doors and windows comprises the following components in percentage by mass: 55 parts of combined resin, 23 parts of ethyl acetate, 17 parts of propylene glycol methyl ether acetate, 11 parts of nano titanium dioxide, 6 parts of nano aluminum nitride, 4 parts of graphene, 16 parts of polydimethylsiloxane, 7 parts of silane coupling agent, 2.5 parts of cobalt black, 4 parts of flatting agent, 4 parts of dispersing agent, 2 parts of defoaming agent, 1.5 parts of wetting agent, 3 parts of ultraviolet light absorber, 3 parts of light stabilizer and 15 parts of filler.
The composite resin is compounded by fluorocarbon resin, acrylic resin, epoxy resin and polyester resin according to the proportion of 10:1:1: 1.
The ultraviolet light absorber is a benzotriazole ultraviolet light absorber, and the light stabilizer is a hindered amine light stabilizer.
The filler is composed of a first filler and a second filler in a ratio of 1:1, the first filler is a mixture of precipitated barium sulfate, talcum powder, mica sheets, glass flakes and quartz powder which are sieved by a 550-mesh sieve, and the second filler is nano silicon dioxide and nano silicon carbide.
A preparation method of a self-cleaning coating for aluminum alloy doors and windows comprises the following steps:
the method comprises the following steps: adding the combined resin into stirring equipment, mixing and stirring for the first time for 22 minutes, controlling the first mixing and stirring speed in the stirring equipment to be 520 revolutions per minute, reducing the stirring speed in the stirring equipment to be 280 revolutions per minute, sequentially adding a dispersing agent, a leveling agent, ethyl acetate and a wetting agent into the stirring equipment at the speed of 280 revolutions per minute, mixing and stirring for the second time for 32 minutes, and controlling the second stirring speed to be 380 revolutions per minute to prepare a base material;
step two: introducing the base material in the stirring equipment into ultrasonic dispersion equipment for ultrasonic dispersion treatment for 11 minutes, and controlling the pressure in the ultrasonic dispersion equipment to be 0.96 MPa during the ultrasonic dispersion treatment;
step three: sequentially adding the filler, cobalt black, an ultraviolet absorber, a light stabilizer, nano titanium dioxide, nano aluminum nitride, graphene, nano aluminum nitride, a silane coupling agent and a defoaming agent into stirring equipment to stir for 48 minutes, controlling the stirring speed in the stirring equipment to be 400 revolutions per minute, then introducing the base material in the ultrasonic dispersion equipment into the stirring equipment to stir for 17 minutes together, and controlling the stirring speed to be 290 revolutions per minute to prepare a mixture;
step four: and introducing the mixture into a homogenizer for homogenizing for 14 minutes, controlling the pressure in the homogenizer to be 1.13 MPa, then adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 16 minutes, then carrying out homogenizing again for 11 minutes, and controlling the mixing and stirring speed to be 500 revolutions per minute to prepare the self-cleaning coating.
EXAMPLE III
A self-cleaning coating for aluminum alloy doors and windows comprises the following components in percentage by mass: 60 parts of combined resin, 25 parts of ethyl acetate, 18 parts of propylene glycol methyl ether acetate, 12 parts of nano titanium dioxide, 7 parts of nano aluminum nitride, 5 parts of graphene, 18 parts of polydimethylsiloxane, 8 parts of silane coupling agent, 3 parts of cobalt black, 5 parts of flatting agent, 5 parts of dispersing agent, 3 parts of defoaming agent, 2 parts of wetting agent, 4 parts of ultraviolet light absorber, 4 parts of light stabilizer and 16 parts of filler.
The composite resin is compounded by fluorocarbon resin, acrylic resin, epoxy resin and polyester resin according to the proportion of 10:1:1: 1.
The ultraviolet light absorber is a benzotriazole ultraviolet light absorber, and the light stabilizer is a hindered amine light stabilizer.
The filler is composed of a first filler and a second filler in a ratio of 1:1, the first filler is a mixture of precipitated barium sulfate, talcum powder, mica sheets, glass flakes and quartz powder which are sieved by a 550-mesh sieve, and the second filler is nano silicon dioxide and nano silicon carbide.
A preparation method of a self-cleaning coating for aluminum alloy doors and windows comprises the following steps:
the method comprises the following steps: adding the combined resin into stirring equipment, mixing and stirring for the first time for 22 minutes, controlling the first mixing and stirring speed in the stirring equipment to be 520 revolutions per minute, reducing the stirring speed in the stirring equipment to be 280 revolutions per minute, sequentially adding a dispersing agent, a leveling agent, ethyl acetate and a wetting agent into the stirring equipment at the speed of 280 revolutions per minute, mixing and stirring for the second time for 32 minutes, and controlling the second stirring speed to be 380 revolutions per minute to prepare a base material;
step two: introducing the base material in the stirring equipment into ultrasonic dispersion equipment for ultrasonic dispersion treatment for 11 minutes, and controlling the pressure in the ultrasonic dispersion equipment to be 0.96 MPa during the ultrasonic dispersion treatment;
step three: sequentially adding the filler, cobalt black, an ultraviolet absorber, a light stabilizer, nano titanium dioxide, nano aluminum nitride, graphene, nano aluminum nitride, a silane coupling agent and a defoaming agent into stirring equipment to stir for 48 minutes, controlling the stirring speed in the stirring equipment to be 400 revolutions per minute, then introducing the base material in the ultrasonic dispersion equipment into the stirring equipment to stir for 17 minutes together, and controlling the stirring speed to be 290 revolutions per minute to prepare a mixture;
step four: and introducing the mixture into a homogenizer for homogenizing for 14 minutes, controlling the pressure in the homogenizer to be 1.13 MPa, then adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 16 minutes, then carrying out homogenizing again for 11 minutes, and controlling the mixing and stirring speed to be 500 revolutions per minute to prepare the self-cleaning coating.
According to the first embodiment, the second embodiment and the third embodiment, the invention can be obtained by the following components in percentage by mass: 50-60 parts of combined resin, 20-25 parts of ethyl acetate, 16-18 parts of propylene glycol methyl ether acetate, 10-12 parts of nano titanium dioxide, 5-7 parts of nano aluminum nitride, 3-5 parts of graphene, 15-18 parts of polydimethylsiloxane, 5-8 parts of silane coupling agent, 2-3 parts of cobalt black, 3-5 parts of flatting agent, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-2 parts of wetting agent, 2-4 parts of ultraviolet light absorber, 2-4 parts of light stabilizer and 13-16 parts of filler.
The fluorocarbon resin molecular structure in the combined resin can resist the degradation of ultraviolet rays and resist the invasion of other media, the fluorocarbon resin molecular structure is used as the main component of the self-cleaning coating, the self-cleaning coating can show excellent durability and weather resistance, polydimethylsiloxane has the advantages of small surface tension, heat resistance, cold resistance and small change of viscosity along with temperature, the surface tension of the prepared self-cleaning coating can be reduced after the fluorocarbon resin molecular structure is cooperated with other components in the self-cleaning coating, the self-cleaning coating has strong adhesive capacity, a continuous and compact coating can be formed, inhalation stains can be effectively prevented from permeating the coating, the formed coating has a high hydrophobic angle, various adsorption stains in the air are difficult to adhere to the surface of the coating, the coating is easy to clean and has stable luster, the stain resistance of the surface of an aluminum alloy door and window can be effectively improved, and the ultraviolet light absorber and light stabilizer can improve the resistance of the, the coating has long service life, and the quality and the attractiveness of the aluminum alloy door and window are improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The self-cleaning coating for the aluminum alloy doors and windows is characterized by comprising the following components in percentage by mass: 50-60 parts of combined resin, 20-25 parts of ethyl acetate, 16-18 parts of propylene glycol methyl ether acetate, 10-12 parts of nano titanium dioxide, 5-7 parts of nano aluminum nitride, 3-5 parts of graphene, 15-18 parts of polydimethylsiloxane, 5-8 parts of silane coupling agent, 2-3 parts of cobalt black, 3-5 parts of flatting agent, 3-5 parts of dispersing agent, 1-3 parts of defoaming agent, 1-2 parts of wetting agent, 2-4 parts of ultraviolet light absorber, 2-4 parts of light stabilizer and 13-16 parts of filler.
2. The self-cleaning coating for the aluminum alloy doors and windows according to claim 1, which is characterized in that: comprises the following components in percentage by mass: 55 parts of combined resin, 23 parts of ethyl acetate, 17 parts of propylene glycol methyl ether acetate, 11 parts of nano titanium dioxide, 6 parts of nano aluminum nitride, 4 parts of graphene, 16 parts of polydimethylsiloxane, 7 parts of silane coupling agent, 2.5 parts of cobalt black, 4 parts of flatting agent, 4 parts of dispersing agent, 2 parts of defoaming agent, 1.5 parts of wetting agent, 3 parts of ultraviolet light absorber, 3 parts of light stabilizer and 15 parts of filler.
3. The self-cleaning coating for the aluminum alloy doors and windows according to claim 1, which is characterized in that: the composite resin is compounded by fluorocarbon resin, acrylic resin, epoxy resin and polyester resin according to the proportion of 10:1:1: 1.
4. The self-cleaning coating for the aluminum alloy doors and windows according to claim 1, which is characterized in that: the ultraviolet light absorber is a benzotriazole ultraviolet light absorber, and the light stabilizer is a hindered amine light stabilizer.
5. The self-cleaning coating for the aluminum alloy doors and windows according to claim 1, which is characterized in that: the filler is composed of a first filler and a second filler in a ratio of 1:1, the first filler is a mixture of precipitated barium sulfate, talcum powder, mica sheets, glass flakes and quartz powder which are sieved by a 500-fold 600-mesh sieve, and the second filler is nano silicon dioxide and nano silicon carbide.
6. The preparation method of the self-cleaning coating for the aluminum alloy door and window is characterized by comprising the following steps of:
the method comprises the following steps: adding the combined resin into stirring equipment for carrying out first mixing and stirring for 20-25 minutes, controlling the first mixing and stirring rotating speed in the stirring equipment to be 500-550 revolutions per minute, then reducing the stirring rotating speed in the stirring equipment, sequentially adding the dispersing agent, the leveling agent, the ethyl acetate and the wetting agent, carrying out second mixing and stirring for 30-35 minutes, and preparing a base material;
step two: introducing the base material in the stirring equipment into ultrasonic dispersion equipment for ultrasonic dispersion treatment for 10-12 minutes;
step three: adding the filler, cobalt black, an ultraviolet absorber, a light stabilizer, nano titanium dioxide, nano aluminum nitride, graphene, nano aluminum nitride, a silane coupling agent and a defoaming agent into stirring equipment, stirring for 45-50 minutes, and then introducing the base material in the ultrasonic dispersion equipment into the stirring equipment, and stirring together for 15-20 minutes to prepare a mixture;
step four: and introducing the mixture into a homogenizer for homogenizing for 13-15 minutes, adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 15-18 minutes, and then homogenizing for 10-12 minutes again to prepare the self-cleaning coating.
7. The preparation method of the self-cleaning coating for the aluminum alloy doors and windows according to claim 6, characterized by comprising the following steps: in the first step, the stirring speed in the stirring equipment is reduced to 250-.
8. The preparation method of the self-cleaning coating for the aluminum alloy doors and windows according to claim 6, characterized by comprising the following steps: and in the second step, during ultrasonic dispersion treatment, the pressure in the ultrasonic dispersion equipment is controlled to be 0.95-0.98 MPa.
9. The preparation method of the self-cleaning coating for the aluminum alloy doors and windows according to claim 6, characterized by comprising the following steps: the third step is specifically as follows: the filler, the cobalt black, the ultraviolet absorber, the light stabilizer, the nano titanium dioxide, the nano aluminum nitride, the graphene, the nano aluminum nitride, the silane coupling agent and the defoaming agent are sequentially added into stirring equipment to be stirred for 45-50 minutes, the stirring speed in the stirring equipment is controlled to be 380-.
10. The preparation method of the self-cleaning coating for the aluminum alloy doors and windows according to claim 6, characterized by comprising the following steps: the fourth step is specifically as follows: introducing the mixture into a homogenizer for homogenizing for 13-15 minutes, controlling the pressure in the homogenizer to be 1.12-1.15 MPa, then adding propylene glycol methyl ether acetate into the homogenizer, mixing and stirring for 15-18 minutes, then carrying out homogenizing treatment for 10-12 minutes again, and controlling the mixing and stirring speed to be 450-.
Priority Applications (1)
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CN201910709814.5A CN112300641A (en) | 2019-08-02 | 2019-08-02 | Self-cleaning coating for aluminum alloy doors and windows and preparation method thereof |
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CN201910709814.5A CN112300641A (en) | 2019-08-02 | 2019-08-02 | Self-cleaning coating for aluminum alloy doors and windows and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114986093A (en) * | 2022-05-27 | 2022-09-02 | 绍兴禹馨装饰有限公司 | Production process of seamless screen window aluminum alloy frame |
WO2022266545A1 (en) * | 2021-06-18 | 2022-12-22 | Perfect Carbon Llc | Coating compositions, methods of making and using same |
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