CN112143347A - Aluminum alloy door and window surface stain-resistant coating and preparation method thereof - Google Patents
Aluminum alloy door and window surface stain-resistant 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
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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
- C09D5/08—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
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- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic 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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Abstract
The invention discloses an aluminum alloy door and window surface stain-resistant coating and a preparation method thereof, wherein the aluminum alloy door and window surface stain-resistant coating comprises the following components in percentage by mass: 30-35 parts of vinyl ester resin, 15-18 parts of polydimethylsiloxane, 10-15 parts of urethane acrylate, 8-10 parts of nano silicon dioxide, 10-12 parts of nano titanium dioxide, 5-8 parts of light calcium carbonate, 8-10 parts of surfactant, 15-18 parts of butyl cellosolve and 20-28 parts of deionized water; the stain-resistant coating prepared by the invention has small surface tension, improves the adhesive capacity of the stain-resistant coating, can improve the binding force when being coated on an aluminum alloy door and window, is not easy to fall off, has good light and color retention and drying capacity, can quickly form a film on the surface of the aluminum alloy door and window, has good corrosion resistance, has the advantages of smooth surface and high compactness after forming a coating, and can reduce the adsorption force of oil stains and dust on the surface of the coating to achieve good stain resistance.
Description
Technical Field
The invention relates to the field of aluminum alloy door and window coatings, in particular to an aluminum alloy door and window surface stain-resistant coating and a preparation method thereof.
Background
In recent years, with the development of economy, the living standard of people is continuously improved, the types of doors and windows and derivative products thereof are continuously increased, and the aluminum alloy doors and windows refer to doors which are made of aluminum alloy extruded sections as frames, stiles and sash materials. At present, aluminum alloy doors are used everywhere in life, and the aluminum alloy doors and windows are applied to various places due to the advantages of low manufacturing cost, strong weather resistance, portability and the like.
The surface of a 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 surfaces of the aluminum alloy door and window after a long time, the stains can be adsorbed on the surfaces of the aluminum alloy door and window and are difficult to remove, the surface coating can be only scraped for re-coating, time and labor are wasted, and the cost consumption is large.
Disclosure of Invention
Aiming at the problems, the invention provides the stain-resistant coating on the surface of the aluminum alloy door and window and the preparation method thereof, the prepared stain-resistant coating has small surface tension, the adhesion capacity of the stain-resistant coating is improved, the binding force can be improved when the stain-resistant coating is coated on the aluminum alloy door and window, the stain-resistant coating is not easy to fall off, the light and color retention and the drying capacity are good, a film can be rapidly formed on the surface of the aluminum alloy door and window, the corrosion resistance of the coating is good, the coating has the advantages of smooth surface and high compactness after being formed, and the adsorption force of oil stains and dust on the surface of the coating can be reduced.
The invention provides an aluminum alloy door and window surface stain-resistant coating which comprises the following components in percentage by mass: 30-35 parts of vinyl ester resin, 15-20 parts of dimethoxy modified silane polyether resin, 10-12 parts of hydroxy acrylic resin, 15-18 parts of polydimethylsiloxane, 5-8 parts of polysiloxane, 10-15 parts of urethane acrylate, 3-5 parts of photoinitiator, 2-4 parts of diluent, 8-10 parts of nano silicon dioxide, 10-12 parts of nano titanium dioxide, 5-8 parts of light calcium carbonate, 8-10 parts of surfactant, 5-8 parts of polytetrafluoroethylene, 15-18 parts of ethylene glycol butyl ether, 2-4 parts of flatting agent, 2-4 parts of dispersing agent, 3-6 parts of expanded vitrified micro bubbles and 20-28 parts of deionized water.
The further improvement lies in that: comprises the following components in percentage by mass: 33 parts of vinyl ester resin, 18 parts of dimethoxy modified silane polyether resin, 11 parts of hydroxy acrylic resin, 17 parts of polydimethylsiloxane, 6 parts of polysiloxane, 13 parts of urethane acrylate, 4 parts of photoinitiator, 3 parts of diluent, 9 parts of nano silicon dioxide, 11 parts of nano titanium dioxide, 6 parts of light calcium carbonate, 9 parts of surfactant, 7 parts of polytetrafluoroethylene, 17 parts of ethylene glycol butyl ether, 3 parts of flatting agent, 3 parts of dispersing agent, 5 parts of expanded and vitrified micro bubbles and 25 parts of deionized water.
The further improvement lies in that: the photoinitiator is any one or two of 1-hydroxycyclohexyl phenyl ketone and 2-methyl-2- (4-morpholinyl) -1- [4- (methylthio) phenyl ] -1-acetone.
The further improvement lies in that: the surfactant includes an anionic surfactant and a nonionic surfactant.
A preparation method of the stain-resistant coating on the surface of the aluminum alloy door and window comprises the following steps:
the method comprises the following steps: adding deionized water and a surfactant into a stirring container, mixing and stirring for 10-15 minutes, adding a dispersing agent, a leveling agent and a diluent into the stirring container, mixing and stirring for 20-25 minutes, and preparing a mixture A;
step two: vinyl ester resin and dimethoxy modified silane polyether resin. Adding hydroxyl acrylic resin, polydimethylsiloxane, polysiloxane and urethane acrylate into a stirring kettle, mixing and stirring for 30-35 minutes to obtain a mixture B, introducing the mixture B into an ultrasonic disperser from the stirring kettle, performing dispersing treatment for 25-30 minutes, and then introducing the mixture B in the ultrasonic disperser into the stirring kettle;
step three: adding the mixture A into a stirring kettle, raising the temperature in the stirring kettle to 65-72 ℃, and rapidly stirring the mixture A and the mixture B for 15-20 minutes;
step four: and (3) reducing the temperature in the stirring kettle to 55-58 ℃, adding the photoinitiator, the nano silicon dioxide, the nano titanium dioxide, the light calcium carbonate and the expanded and vitrified micro bubbles into the stirring kettle, stirring for 1.5-1.8 hours, and then cooling to room temperature to prepare the stain-resistant coating.
The further improvement lies in that: the specific process in the first step is as follows: firstly adding deionized water and a surfactant into a stirring container for mixing and stirring for 10-15 minutes, controlling the stirring speed to be 120-150 revolutions per minute, then adding a dispersing agent into the stirring container for mixing and stirring for 5-8 minutes, increasing the stirring speed to 180-190 revolutions per minute, and finally adding a flatting agent and a diluting agent into the stirring container for mixing and stirring for 15-17 minutes to prepare a mixture A.
The further improvement lies in that: the specific process in the step two is as follows: vinyl ester resin, dimethoxy modified silane polyether resin, hydroxyl acrylic resin and polydimethylsiloxane are firstly added into a stirring kettle and mixed and stirred for 10-12 minutes at the rotating speed of 150-160 revolutions per minute, then polysiloxane and polyurethane acrylate are added into the stirring kettle and mixed and stirred for 20-23 minutes at the rotating speed of 180-200 revolutions per minute to obtain a mixture B, then the mixture B is led into an ultrasonic disperser from the stirring kettle for dispersion treatment for 25-30 minutes, the pressure in the ultrasonic disperser is controlled to be 8.8-9.2MPa, and then the mixture B in the ultrasonic disperser is led into the stirring kettle.
The further improvement lies in that: the rapid stirring speed in the third step is 240-260 rpm, and the stirring is carried out in a positive and negative rotation stirring alternating mode in the rapid stirring process.
The further improvement lies in that: the specific process in the fourth step is as follows: the temperature in the stirring kettle is reduced to 55-58 ℃, the nano silicon dioxide, the nano titanium dioxide and the light calcium carbonate are added into the stirring kettle and stirred for 0.2-0.3 hour at the rotating speed of 120-130 r/min, then the initiator and the expanded and vitrified micro bubbles are added into the stirring kettle and stirred for 1.3-1.5 hours at the rotating speed of 80-100 r/min, and then the mixture is cooled to room temperature to prepare the stain-resistant coating.
The invention has the beneficial effects that: through the advantages of low surface tension, heat resistance, cold resistance and small change of viscosity along with temperature of the polydimethylsiloxane in the components, the polydimethylsiloxane can reduce the surface tension of the prepared stain-resistant coating after being cooperated with other components in the invention, the adhesive capacity of the stain-resistant coating is improved, the binding force can be improved after the polydimethylsiloxane is coated on an aluminum alloy door and window, the polydimethylsiloxane is not easy to fall off, the light and color retention of the prepared stain-resistant coating can be improved after the hydroxyl acrylic resin is cooperated with other components, simultaneously, the drying capacity of the coating is good, the coating can be rapidly formed on the surface of the aluminum alloy door and window, the corrosion resistance of the coating can be improved through the components such as nano silicon dioxide, nano titanium dioxide, light carbonic acid, calcium expanded vitrified micro beads and the like in the components, the prepared stain-resistant coating has the advantages of smooth surface and high compactness after the coating is formed, and the adsorption force of oil stain, good stain resistance is achieved.
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
The stain-resistant coating for the surfaces of the aluminum alloy doors and windows comprises the following components in percentage by mass: 30 parts of vinyl ester resin, 15 parts of dimethoxy modified silane polyether resin, 10 parts of hydroxy acrylic resin, 15 parts of polydimethylsiloxane, 5 parts of polysiloxane, 10 parts of urethane acrylate, 3 parts of photoinitiator, 2 parts of diluent, 8 parts of nano silicon dioxide, 10 parts of nano titanium dioxide, 5 parts of light calcium carbonate, 8 parts of surfactant, 5 parts of polytetrafluoroethylene, 15 parts of ethylene glycol butyl ether, 2 parts of flatting agent, 2 parts of dispersing agent, 3 parts of expanded vitrified micro bubbles and 20 parts of deionized water.
The photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2-methyl-2- (4-morpholinyl) -1- [4- (methylthio) phenyl ] -1-acetone.
The surfactant includes an anionic surfactant and a nonionic surfactant.
A preparation method of the stain-resistant coating on the surface of the aluminum alloy door and window comprises the following steps:
the method comprises the following steps: firstly adding deionized water and a surfactant into a stirring container, mixing and stirring for 12 minutes, controlling the stirring speed to be 135 r/min, then adding a dispersing agent into the stirring container, mixing and stirring for 7 minutes, increasing the stirring speed to 185 r/min, and finally adding a leveling agent and a diluent into the stirring container, mixing and stirring for 16 minutes to prepare a mixture A;
step two: firstly, adding vinyl ester resin, dimethoxy modified silane polyether resin, hydroxyl acrylic resin and polydimethylsiloxane into a stirring kettle, mixing and stirring for 11 minutes at the rotating speed of 155 revolutions per minute, then adding polysiloxane and polyurethane acrylate into the stirring kettle, mixing and stirring for 22 minutes at the rotating speed of 190 revolutions per minute to obtain a mixture B, then introducing the mixture B into an ultrasonic disperser from the stirring kettle, performing dispersion treatment for 28 minutes, controlling the pressure in the ultrasonic disperser to be 9.05MPa, and then introducing the mixture B in the ultrasonic disperser into the stirring kettle;
step three: adding the mixture A into a stirring kettle, raising the temperature in the stirring kettle to 70 ℃, rapidly stirring the mixture A and the mixture B for 18 minutes at a rapid stirring speed of 250 revolutions per minute, and stirring in a positive and negative rotation stirring alternating mode in the rapid stirring process;
step four: the temperature in the stirring kettle is reduced to 57 ℃, the nano silicon dioxide, the nano titanium dioxide and the light calcium carbonate are added into the stirring kettle and stirred for 0.25 hour at the rotating speed of 125 revolutions per minute, then the initiator and the expanded and vitrified micro bubbles are added into the stirring kettle and stirred for 1.4 hours at the rotating speed of 90 revolutions per minute, and then the mixture is cooled to the room temperature to prepare the stain-resistant coating.
Example two
The stain-resistant coating for the surfaces of the aluminum alloy doors and windows comprises the following components in percentage by mass: 33 parts of vinyl ester resin, 18 parts of dimethoxy modified silane polyether resin, 11 parts of hydroxy acrylic resin, 17 parts of polydimethylsiloxane, 6 parts of polysiloxane, 13 parts of urethane acrylate, 4 parts of photoinitiator, 3 parts of diluent, 9 parts of nano silicon dioxide, 11 parts of nano titanium dioxide, 6 parts of light calcium carbonate, 9 parts of surfactant, 7 parts of polytetrafluoroethylene, 17 parts of ethylene glycol butyl ether, 3 parts of flatting agent, 3 parts of dispersing agent, 5 parts of expanded vitrified micro bubbles and 25 parts of deionized water.
The photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2-methyl-2- (4-morpholinyl) -1- [4- (methylthio) phenyl ] -1-acetone.
The surfactant includes an anionic surfactant and a nonionic surfactant.
A preparation method of the stain-resistant coating on the surface of the aluminum alloy door and window comprises the following steps:
the method comprises the following steps: firstly adding deionized water and a surfactant into a stirring container, mixing and stirring for 12 minutes, controlling the stirring speed to be 135 r/min, then adding a dispersing agent into the stirring container, mixing and stirring for 7 minutes, increasing the stirring speed to 185 r/min, and finally adding a leveling agent and a diluent into the stirring container, mixing and stirring for 16 minutes to prepare a mixture A;
step two: firstly, adding vinyl ester resin, dimethoxy modified silane polyether resin, hydroxyl acrylic resin and polydimethylsiloxane into a stirring kettle, mixing and stirring for 11 minutes at the rotating speed of 155 revolutions per minute, then adding polysiloxane and polyurethane acrylate into the stirring kettle, mixing and stirring for 22 minutes at the rotating speed of 190 revolutions per minute to obtain a mixture B, then introducing the mixture B into an ultrasonic disperser from the stirring kettle, performing dispersion treatment for 28 minutes, controlling the pressure in the ultrasonic disperser to be 9.05MPa, and then introducing the mixture B in the ultrasonic disperser into the stirring kettle;
step three: adding the mixture A into a stirring kettle, raising the temperature in the stirring kettle to 70 ℃, rapidly stirring the mixture A and the mixture B for 18 minutes at a rapid stirring speed of 250 revolutions per minute, and stirring in a positive and negative rotation stirring alternating mode in the rapid stirring process;
step four: the temperature in the stirring kettle is reduced to 57 ℃, the nano silicon dioxide, the nano titanium dioxide and the light calcium carbonate are added into the stirring kettle and stirred for 0.25 hour at the rotating speed of 125 revolutions per minute, then the initiator and the expanded and vitrified micro bubbles are added into the stirring kettle and stirred for 1.4 hours at the rotating speed of 90 revolutions per minute, and then the mixture is cooled to the room temperature to prepare the stain-resistant coating.
EXAMPLE III
The stain-resistant coating for the surfaces of the aluminum alloy doors and windows comprises the following components in percentage by mass: 35 parts of vinyl ester resin, 20 parts of dimethoxy modified silane polyether resin, 12 parts of hydroxy acrylic resin, 18 parts of polydimethylsiloxane, 8 parts of polysiloxane, 15 parts of urethane acrylate, 5 parts of photoinitiator, 4 parts of diluent, 10 parts of nano silicon dioxide, 12 parts of nano titanium dioxide, 8 parts of light calcium carbonate, 8-10 parts of surfactant, 8 parts of polytetrafluoroethylene, 18 parts of ethylene glycol butyl ether, 4 parts of flatting agent, 4 parts of dispersing agent, 6 parts of expanded and vitrified micro-beads and 28 parts of deionized water.
The photoinitiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2-methyl-2- (4-morpholinyl) -1- [4- (methylthio) phenyl ] -1-acetone.
The surfactant includes an anionic surfactant and a nonionic surfactant.
A preparation method of the stain-resistant coating on the surface of the aluminum alloy door and window comprises the following steps:
the method comprises the following steps: firstly adding deionized water and a surfactant into a stirring container, mixing and stirring for 12 minutes, controlling the stirring speed to be 135 r/min, then adding a dispersing agent into the stirring container, mixing and stirring for 7 minutes, increasing the stirring speed to 185 r/min, and finally adding a leveling agent and a diluent into the stirring container, mixing and stirring for 16 minutes to prepare a mixture A;
step two: firstly, adding vinyl ester resin, dimethoxy modified silane polyether resin, hydroxyl acrylic resin and polydimethylsiloxane into a stirring kettle, mixing and stirring for 11 minutes at the rotating speed of 155 revolutions per minute, then adding polysiloxane and polyurethane acrylate into the stirring kettle, mixing and stirring for 22 minutes at the rotating speed of 190 revolutions per minute to obtain a mixture B, then introducing the mixture B into an ultrasonic disperser from the stirring kettle, performing dispersion treatment for 28 minutes, controlling the pressure in the ultrasonic disperser to be 9.05MPa, and then introducing the mixture B in the ultrasonic disperser into the stirring kettle;
step three: adding the mixture A into a stirring kettle, raising the temperature in the stirring kettle to 70 ℃, rapidly stirring the mixture A and the mixture B for 18 minutes at a rapid stirring speed of 250 revolutions per minute, and stirring in a positive and negative rotation stirring alternating mode in the rapid stirring process;
step four: the temperature in the stirring kettle is reduced to 57 ℃, the nano silicon dioxide, the nano titanium dioxide and the light calcium carbonate are added into the stirring kettle and stirred for 0.25 hour at the rotating speed of 125 revolutions per minute, then the initiator and the expanded and vitrified micro bubbles are added into the stirring kettle and stirred for 1.4 hours at the rotating speed of 90 revolutions per minute, and then the mixture is cooled to the room temperature to prepare the stain-resistant 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: 30-35 parts of vinyl ester resin, 15-20 parts of dimethoxy modified silane polyether resin, 10-12 parts of hydroxy acrylic resin, 15-18 parts of polydimethylsiloxane, 5-8 parts of polysiloxane, 10-15 parts of urethane acrylate, 3-5 parts of photoinitiator, 2-4 parts of diluent, 8-10 parts of nano silicon dioxide, 10-12 parts of nano titanium dioxide, 5-8 parts of light calcium carbonate, 8-10 parts of surfactant, 5-8 parts of polytetrafluoroethylene, 15-18 parts of ethylene glycol butyl ether, 2-4 parts of flatting agent, 2-4 parts of dispersing agent, 3-6 parts of expanded vitrified micro bubbles and 20-28 parts of deionized water, and the prepared stain-resistant coating has small surface tension, high adhesive capacity, good light and color retention and drying capacity, after the coating is formed, the advantages of smooth surface and high compactness are achieved, and the adsorption force of oil stains and dust on the surface of the coating is reduced.
Through the advantages of low surface tension, heat resistance, cold resistance and small change of viscosity along with temperature of the polydimethylsiloxane in the components, the polydimethylsiloxane can reduce the surface tension of the prepared stain-resistant coating after being cooperated with other components in the invention, the adhesive capacity of the stain-resistant coating is improved, the binding force can be improved after the polydimethylsiloxane is coated on an aluminum alloy door and window, the polydimethylsiloxane is not easy to fall off, the light and color retention of the prepared stain-resistant coating can be improved after the hydroxyl acrylic resin is cooperated with other components, simultaneously, the drying capacity of the coating is good, the coating can be rapidly formed on the surface of the aluminum alloy door and window, the corrosion resistance of the coating can be improved through the components such as nano silicon dioxide, nano titanium dioxide, light carbonic acid, calcium expanded vitrified micro beads and the like in the components, the prepared stain-resistant coating has the advantages of smooth surface and high compactness after the coating is formed, and the adsorption force of oil stain, good stain resistance is achieved.
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 (9)
1. The stain-resistant coating for the surfaces of the aluminum alloy doors and windows is characterized by comprising the following components in percentage by mass: 30-35 parts of vinyl ester resin, 15-20 parts of dimethoxy modified silane polyether resin, 10-12 parts of hydroxy acrylic resin, 15-18 parts of polydimethylsiloxane, 5-8 parts of polysiloxane, 10-15 parts of urethane acrylate, 3-5 parts of photoinitiator, 2-4 parts of diluent, 8-10 parts of nano silicon dioxide, 10-12 parts of nano titanium dioxide, 5-8 parts of light calcium carbonate, 8-10 parts of surfactant, 5-8 parts of polytetrafluoroethylene, 15-18 parts of ethylene glycol butyl ether, 2-4 parts of flatting agent, 2-4 parts of dispersing agent, 3-6 parts of expanded vitrified micro bubbles and 20-28 parts of deionized water.
2. The stain-resistant coating for the surfaces of aluminum alloy doors and windows according to claim 1, wherein: comprises the following components in percentage by mass: 33 parts of vinyl ester resin, 18 parts of dimethoxy modified silane polyether resin, 11 parts of hydroxy acrylic resin, 17 parts of polydimethylsiloxane, 6 parts of polysiloxane, 13 parts of urethane acrylate, 4 parts of photoinitiator, 3 parts of diluent, 9 parts of nano silicon dioxide, 11 parts of nano titanium dioxide, 6 parts of light calcium carbonate, 9 parts of surfactant, 7 parts of polytetrafluoroethylene, 17 parts of ethylene glycol butyl ether, 3 parts of flatting agent, 3 parts of dispersing agent, 5 parts of expanded and vitrified micro bubbles and 25 parts of deionized water.
3. The stain-resistant coating for the surfaces of aluminum alloy doors and windows according to claim 1, wherein: the photoinitiator is any one or two of 1-hydroxycyclohexyl phenyl ketone and 2-methyl-2- (4-morpholinyl) -1- [4- (methylthio) phenyl ] -1-acetone.
4. The stain-resistant coating for the surfaces of aluminum alloy doors and windows according to claim 1, wherein: the surfactant includes an anionic surfactant and a nonionic surfactant.
5. A preparation method of the stain-resistant coating on the surface of the aluminum alloy door and window is characterized by comprising the following steps:
the method comprises the following steps: adding deionized water and a surfactant into a stirring container, mixing and stirring for 10-15 minutes, adding a dispersing agent, a leveling agent and a diluent into the stirring container, mixing and stirring for 20-25 minutes, and preparing a mixture A;
step two: vinyl ester resin and dimethoxy modified silane polyether resin. Adding hydroxyl acrylic resin, polydimethylsiloxane, polysiloxane and urethane acrylate into a stirring kettle, mixing and stirring for 30-35 minutes to obtain a mixture B, introducing the mixture B into an ultrasonic disperser from the stirring kettle, performing dispersing treatment for 25-30 minutes, and then introducing the mixture B in the ultrasonic disperser into the stirring kettle;
step three: adding the mixture A into a stirring kettle, raising the temperature in the stirring kettle to 65-72 ℃, and rapidly stirring the mixture A and the mixture B for 15-20 minutes;
step four: and (3) reducing the temperature in the stirring kettle to 55-58 ℃, adding the photoinitiator, the nano silicon dioxide, the nano titanium dioxide, the light calcium carbonate and the expanded and vitrified micro bubbles into the stirring kettle, stirring for 1.5-1.8 hours, and then cooling to room temperature to prepare the stain-resistant coating.
6. The method for preparing the stain-resistant coating on the surface of the aluminum alloy door and window as claimed in claim 5, wherein the method comprises the following steps: the specific process in the first step is as follows: firstly adding deionized water and a surfactant into a stirring container for mixing and stirring for 10-15 minutes, controlling the stirring speed to be 120-150 revolutions per minute, then adding a dispersing agent into the stirring container for mixing and stirring for 5-8 minutes, increasing the stirring speed to 180-190 revolutions per minute, and finally adding a flatting agent and a diluting agent into the stirring container for mixing and stirring for 15-17 minutes to prepare a mixture A.
7. The method for preparing the stain-resistant coating on the surface of the aluminum alloy door and window as claimed in claim 5, wherein the method comprises the following steps: the specific process in the step two is as follows: vinyl ester resin, dimethoxy modified silane polyether resin, hydroxyl acrylic resin and polydimethylsiloxane are firstly added into a stirring kettle and mixed and stirred for 10-12 minutes at the rotating speed of 150-160 revolutions per minute, then polysiloxane and polyurethane acrylate are added into the stirring kettle and mixed and stirred for 20-23 minutes at the rotating speed of 180-200 revolutions per minute to obtain a mixture B, then the mixture B is led into an ultrasonic disperser from the stirring kettle for dispersion treatment for 25-30 minutes, the pressure in the ultrasonic disperser is controlled to be 8.8-9.2MPa, and then the mixture B in the ultrasonic disperser is led into the stirring kettle.
8. The method for preparing the stain-resistant coating on the surface of the aluminum alloy door and window as claimed in claim 5, wherein the method comprises the following steps: the rapid stirring speed in the third step is 240-260 rpm, and the stirring is carried out in a positive and negative rotation stirring alternating mode in the rapid stirring process.
9. The method for preparing the stain-resistant coating on the surface of the aluminum alloy door and window as claimed in claim 5, wherein the method comprises the following steps: the specific process in the fourth step is as follows: the temperature in the stirring kettle is reduced to 55-58 ℃, the nano silicon dioxide, the nano titanium dioxide and the light calcium carbonate are added into the stirring kettle and stirred for 0.2-0.3 hour at the rotating speed of 120-130 r/min, then the initiator and the expanded and vitrified micro bubbles are added into the stirring kettle and stirred for 1.3-1.5 hours at the rotating speed of 80-100 r/min, and then the mixture is cooled to room temperature to prepare the stain-resistant coating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2023162789A1 (en) * | 2022-02-22 | 2023-08-31 | 富士フイルム株式会社 | Composition, film, method for producing film, optical filter, solid-state imaging element, image display device, and structure |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023162789A1 (en) * | 2022-02-22 | 2023-08-31 | 富士フイルム株式会社 | Composition, film, method for producing film, optical filter, solid-state imaging element, image display device, and structure |
| 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 |
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