CN114276753A - Dust-proof antibacterial anti-virus paint and its preparation method and use - Google Patents
Dust-proof antibacterial anti-virus paint and its preparation method and use Download PDFInfo
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- CN114276753A CN114276753A CN202011037881.6A CN202011037881A CN114276753A CN 114276753 A CN114276753 A CN 114276753A CN 202011037881 A CN202011037881 A CN 202011037881A CN 114276753 A CN114276753 A CN 114276753A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 44
- 230000002155 anti-virotic effect Effects 0.000 title claims abstract description 33
- 239000003973 paint Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 35
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical compound [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004005 microsphere Substances 0.000 claims abstract description 14
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 11
- 229910052809 inorganic oxide Inorganic materials 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 229920002050 silicone resin Polymers 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 18
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000007766 curtain coating Methods 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- DXODQEHVNYHGGW-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl-tris(trifluoromethoxy)silane Chemical compound FC(F)(F)O[Si](OC(F)(F)F)(OC(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F DXODQEHVNYHGGW-UHFFFAOYSA-N 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 229940089951 perfluorooctyl triethoxysilane Drugs 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- AVYKQOAMZCAHRG-UHFFFAOYSA-N triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane Chemical compound CCO[Si](OCC)(OCC)CCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F AVYKQOAMZCAHRG-UHFFFAOYSA-N 0.000 claims description 4
- QTRSWYWKHYAKEO-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl-tris(1,1,2,2,2-pentafluoroethoxy)silane Chemical compound FC(F)(F)C(F)(F)O[Si](OC(F)(F)C(F)(F)F)(OC(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QTRSWYWKHYAKEO-UHFFFAOYSA-N 0.000 claims description 3
- VBGGLSWSRVDWHB-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl-tris(trifluoromethoxy)silane Chemical compound FC(F)(F)O[Si](OC(F)(F)F)(OC(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F VBGGLSWSRVDWHB-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 claims description 3
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 230000000840 anti-viral effect Effects 0.000 claims 4
- 239000002245 particle Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 230000003115 biocidal effect Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000001580 bacterial effect Effects 0.000 description 4
- 229920004482 WACKER® Polymers 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000222122 Candida albicans Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 150000002357 guanidines Chemical class 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000006159 Sabouraud's agar Substances 0.000 description 1
- 239000003443 antiviral agent Substances 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
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- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The invention discloses a dustproof antibacterial anti-virus coating which comprises the following components in parts by weight: 90-98 parts of organic silicon resin; 2-10 parts of fluorosilane resin; 0.1-0.5 of nano inorganic oxide with the grain diameter of 10-200 nm; 0.1-0.5 of polymer microspheres with the diameter of 0.1-10 mu m; 0.1-0.5 of antibacterial agent. The paint has excellent dustproof, antibacterial and antivirus performances, and also has good antistatic capability and low surface capability. The invention also discloses a preparation method of the coating. The paint is mainly applied to various electronic and electrical equipment and other products with dustproof requirements and the like.
Description
Technical Field
The invention relates to a dustproof antibacterial anti-virus coating, and in addition, the invention also relates to a preparation method of the coating and application of the coating in heat dissipation equipment of electronic appliances.
Background
With the coming of the 5G era, the demand of 5G electronic equipment and terminals is greatly increased, the demand and the consumption of 5G equipment on electric quantity are greatly increased, the generated heat is also rapidly increased, and the service efficiency and the service life of the electronic and electric equipment can be greatly influenced if a large amount of released heat cannot be dissipated in time.
At present, various electronic devices have a large number of heat dissipation devices, such as heat sinks in computer CPUs. Along with the live time increase, because the existence of all kinds of pollutants in static, air humidity and the air makes a large amount of dusts adhere to the radiator surface, because the low coefficient of heat conductivity of dust, a large amount of dusts reduce the circulation of air simultaneously to influence the effect of airing exhaust of radiator greatly, make a large amount of heats can not in time distribute away, influence electronic equipment's normal work.
Therefore, a special dust-proof coating product needs to be developed to form a coating on the surface of the electronic equipment radiator, so that the adhesion of various dusts is reduced, and the use effect of the radiator is effectively ensured. The similar products in the current market have simple use principle and poor effect.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, according to embodiments of the present invention, it is desirable to provide a functional coating with simple process, low cost, and good effects of preventing dust, static electricity, and bacteria, etc., and to provide a preparation method and use thereof in heat dissipation equipment of electronic and electrical appliances.
According to the embodiment, the dustproof antibacterial anti-virus coating provided by the invention comprises the following components in parts by weight:
90-98 parts of organic silicon resin;
2-10 parts of fluorosilane resin;
0.1-0.5 of nano inorganic oxide with the grain diameter of 10-200 nm;
0.1-0.5 of polymer microspheres with the diameter of 0.1-10 mu m;
0.1-0.5 of antibacterial agent.
Preferably, in the dustproof antibacterial antivirus coating of the present invention, the silicone resin is selected from polyalkyl silicone resin, polyaryl silicone resin and polyalkyl aryl silicone resin; the fluorosilane resin is selected from perfluorooctyltrimethoxysilane, perfluorooctyltriethoxysilane, perfluorodecyltrimethoxysilane and perfluorodecyltriethoxysilane; the nano inorganic oxide is nano ATO or nano ITO; the polymer microspheres are selected from polytetrafluoroethylene, polyvinylidene fluoride, polychlorotrifluoroethylene and polyvinyl fluoride; the antibacterial agent is selected from nano copper, nano silver, quaternary ammonium salt or guanidine salt and the like.
According to the embodiment, the preparation method of the dustproof antibacterial anti-virus coating provided by the invention comprises the following steps:
the method comprises the following steps: adding fluorosilane resin into organic silicon resin to modify the organic silicon resin to obtain modified fluorosilane/organic silicon resin solution;
step two: respectively adding nano inorganic oxide, polymer microspheres and an antibacterial agent into fluorosilane/organic silicon resin to obtain a mixed solution;
step three: and (3) carrying out high-speed dispersion and ultrasonic dispersion treatment on the mixed solution to obtain the long-acting dustproof antibacterial anti-virus coating.
Preferably, in the third step of the preparation method of the dustproof antibacterial anti-virus coating, the high-speed dispersion is achieved by using a high-speed shearing machine, and the ultrasonic dispersion treatment is achieved by using an ultrasonic generator or an ultrasonic cleaning machine.
According to the embodiment, the dustproof antibacterial anti-virus coating provided by the invention is used for electronic and electric appliance heat dissipation equipment, is coated on the surface of the electronic and electric appliance heat dissipation equipment in a spraying or curtain coating mode, and is cured at normal temperature. And (3) in a normal temperature environment, surface drying is carried out for 20 minutes, and the coating is completely dried after 3 days, so that the coating with excellent dustproof function, antibacterial property and antivirus property can be obtained.
Compared with the prior art, the invention obtains the coating resin with low surface energy by modifying the organic silicon resin with the fluorosilane resin, thereby reducing the possibility of dust adsorption on the surface of the coating; the addition of the nano conductive oxide can improve the antistatic capacity of the coating and effectively avoid the adsorption phenomenon of dust caused by electrostatic attraction; the polymer microspheres can form a micro-nano structure with the nano inorganic oxide on the surface of the coating by adding, so that a lotus leaf-like effect can be formed, and the surface energy is reduced; the antibacterial and anti-virus agent enables the coating to have good antibacterial and anti-virus performance, reduces bacterial and fungus breeding on the surface of the coating, avoids dust adsorption, effectively improves the dustproof performance of the coating, and is beneficial to human health. The dustproof antibacterial anti-virus coating has good dustproof and antistatic performances, and the antibacterial rate is up to more than 99%.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure in any way whatsoever. After reading the description of the invention, one skilled in the art can make various changes and modifications to the invention, and such equivalent changes and modifications also fall into the scope of the invention defined by the claims.
The starting materials used in the following examples of the present invention are all commercially available products unless otherwise specified.
Example 1
The first step is as follows: 98g of Japanese Langesii silicone resin KR400 was dispersed in a flask, and then 2g of perfluorooctyltrimethoxysilane and 0.5g of KH550 were added to the flask, and the temperature was raised to 60 ℃ while stirring, to obtain a fluorosilane-modified silicone resin after 2 hours.
The second step is that: 0.4g of nano ATO (particle size of 20nm), 0.2g of polytetrafluoroethylene microspheres (particle size of 0.5 μm) and 0.3g of nano silver solution were added to the fluorosilane-modified silicone resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 4000rpm), and simultaneously carrying out ultrasonic treatment for 30min by using ultrasonic action (the ultrasonic power is 100W and the ultrasonic frequency is 30kH) to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Example 2
The first step is as follows: 95g of Japanese Langesii silicone resin KR400 was dispersed in a flask, and then 5g of perfluorooctyltriethoxysilane and 0.2g of KH570 were added to the flask, and the temperature was raised to 60 ℃ while stirring, and after 2 hours, a fluorosilane-modified silicone resin was obtained.
The second step is that: 0.3g of nano ITO (particle size of 20nm), 0.3g of polytetrafluoroethylene microspheres (particle size of 0.5 mu m) and 0.2g of nano copper solution are added into the fluorosilane modified organic silicon resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 3000rpm), and simultaneously applying ultrasonic action (the ultrasonic power is 90W, and the ultrasonic frequency is 30kH) for treatment for 40min to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Example 3
The first step is as follows: 90g of Japanese Langeson Silicone resin KR400 was dispersed in a flask, and then 10g of perfluorodecyltrimethoxysilane and 0.6g of KH550 were added to the flask, and the temperature was raised to 60 ℃ while stirring, to obtain a fluorosilane-modified silicone resin after 2 hours.
The second step is that: 0.2g of nano ATO (particle size of 20nm), 0.1g of polyvinylidene fluoride microspheres (particle size of 0.5 μm) and 0.4g of quaternary ammonium salt solution were added to the fluorosilane-modified silicone resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 2000rpm), and simultaneously carrying out ultrasonic treatment (the ultrasonic power is 80W and the ultrasonic frequency is 30kH) for 30min to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Example 4
The first step is as follows: 98g of Wacker chemical organic silicon resin REN50 is taken and dispersed in a flask, then 2g of perfluorooctyl trimethoxy silane and 0.5g of KH550 are taken and added into the flask, and the temperature is raised to 60 ℃ while stirring, and the fluorosilane modified organic silicon resin is obtained after 2 hours.
The second step is that: 0.4g of nano ITO (particle size of 20nm), 0.2g of polychlorotrifluoroethylene microspheres (particle size of 0.5 μm) and 0.3g of nano silver solution were added to the fluorosilane-modified silicone resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 5000rpm), and simultaneously carrying out ultrasonic action (the ultrasonic power is 100W, and the ultrasonic frequency is 20kH) for 30min to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Example 5
The first step is as follows: 95g of Wacker chemical organic silicon resin REN50 was dispersed in a flask, and then 5g of perfluorodecyltriethoxysilane and 0.5g of KH570 were added to the flask, and the temperature was raised to 50 ℃ while stirring, and after 2 hours, a fluorosilane-modified organic silicon resin was obtained.
The second step is that: 0.3g of nano ATO (particle size of 30nm), 0.3g of polytetrafluoroethylene microspheres (particle size of 0.5 μm) and 0.3g of nano silver solution were added to the fluorosilane-modified silicone resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 4000rpm), and simultaneously carrying out ultrasonic treatment for 30min by using ultrasonic action (the ultrasonic power is 100W and the ultrasonic frequency is 30kH) to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Example 6
The first step is as follows: 92g of Wacker chemical organic silicon resin REN50 is dispersed in a flask, then 8g of perfluorooctyltriethoxysilane and 0.6g of KH550 are added into the flask, and the temperature is raised to 60 ℃ while stirring, and the fluorosilane modified organic silicon resin is obtained after 2 hours.
The second step is that: 0.5g of nano ITO (particle size of 20nm), 0.3g of polyvinyl fluoride microspheres (particle size of 0.5 mu m) and 0.3g of guanidine salt solution are added into the fluorosilane modified organic silicon resin solution to obtain a mixed solution.
The third step: and (3) stirring the fluorosilane modified organic silicon resin solution containing various additives by using a high-speed shearing machine (the rotating speed is 6000rpm), and simultaneously carrying out ultrasonic action (the ultrasonic power is 90W, and the ultrasonic frequency is 30kH) for 30min to obtain the long-acting dustproof antibacterial anti-virus coating.
The fourth step: the paint is coated on the surface of 5G electronic product heat dissipation equipment in a spraying and curtain coating mode, the surface is dried in a normal temperature environment for 20 minutes, the coating is dried after 3 days, and the coating with excellent dustproof function, antibiosis and antivirus can be obtained.
Test examples
The contact angles of the dustproof antibacterial coatings prepared in examples 1 to 6 were measured using a contact angle tester. The resistivity of the dust-repellent antibacterial coatings prepared in examples 1 to 6 was measured in accordance with GB/T1410. The test results are shown in table 1:
TABLE 1 contact angle and resistivity test table for dustproof antibacterial paint coating
| Detecting content | Contact angle (°) | Resistivity (omega) |
| Example 1 | 110 | 107 |
| Example 2 | 113 | 108 |
| Example 3 | 108 | 108 |
| Example 4 | 112 | 107 |
| Example 5 | 107 | 108 |
| Example 6 | 111 | 107 |
The antibacterial property of the dustproof antibacterial coating prepared in examples 1 to 6 was tested by using the American AATCC-100 antibacterial test standard, and the antibacterial rate of the surface coating of the heat dissipation equipment was quantitatively analyzed to evaluate the antibacterial property. The method comprises the following steps:
the first step is as follows: inoculating Staphylococcus aureus (ATCC6538) to nutrient agar medium, inoculating Candida albicans (ATCC10231) to Sabouraud's agar medium, culturing at 37 deg.C for 24 hr, selecting sixth generation culture, washing lawn with PBS, and diluting to obtain bacterial suspension.
The second step is that: the coated surfaces of examples 1-6 were prepared as 5cm diameter discs and autoclaved.
The third step: after placing the test bacterial suspension in a water bath at 20 ℃ for 5 minutes, 1ml of bacterial suspension is added to the raw piece, and the action time is 24 hours. And (5) after finishing, taking the sample solution as a viable bacteria culture technology, and calculating the sterilization rate. The experiment was repeated 3 times. The results show that the dustproof antibacterial coatings of examples 1-6 have very excellent killing effects on staphylococcus aureus (ATCC6538) and candida albicans (ATCC10231), and the sterilization rate reaches more than 98% after 24 hours of action when the addition amount is 3 wt%. Results of sterilization rate are shown in table 2.
TABLE 2 bactericidal rate test results for long-acting dustproof antibacterial coatings
Claims (10)
1. The dustproof antibacterial anti-virus coating is characterized by comprising the following components in parts by weight:
90-98 parts of organic silicon resin;
2-10 parts of fluorosilane resin;
0.1-0.5 of nano inorganic oxide with the grain diameter of 10-200 nm;
0.1-0.5 of polymer microspheres with the diameter of 0.1-10 mu m;
0.1-0.5 of antibacterial agent.
2. The dustproof, antibacterial and antiviral coating according to claim 1, wherein the silicone resin is selected from the group consisting of polyalkyl silicone resins, polyaryl silicone resins and polyalkyl aryl silicone resins.
3. The dustproof, antibacterial and antiviral paint according to claim 1, wherein the fluorosilane resin is selected from the group consisting of perfluorooctyltrimethoxysilane, perfluorooctyltriethoxysilane, perfluorodecyltrimethoxysilane and perfluorodecyltriethoxysilane.
4. The dustproof antibacterial antivirus coating of claim 1, wherein the nano inorganic oxide is nano ATO or nano ITO.
5. The dustproof, antibacterial and antiviral coating according to claim 1, wherein the polymeric microspheres are selected from the group consisting of polytetrafluoroethylene, polyvinylidene fluoride, polychlorotrifluoroethylene and polyvinyl fluoride.
6. The dustproof, antibacterial and antiviral paint according to claim 1, wherein the antibacterial agent is selected from a nano copper antibacterial agent, a nano silver antibacterial agent and an organic antibacterial agent.
7. A preparation method of a dustproof antibacterial antivirus coating is characterized by comprising the following steps:
the method comprises the following steps: adding fluorosilane resin into organic silicon resin to modify the organic silicon resin to obtain modified fluorosilane/organic silicon resin solution;
step two: respectively adding nano inorganic oxide, polymer microspheres and an antibacterial agent into fluorosilane/organic silicon resin to obtain a mixed solution;
step three: and (3) carrying out high-speed dispersion and ultrasonic dispersion treatment on the mixed solution to obtain the long-acting dustproof antibacterial anti-virus coating.
8. The method for preparing the dustproof antibacterial antivirus coating according to claim 7, wherein in the third step, a high-speed shearing machine is adopted for high-speed dispersion, and an ultrasonic processor is adopted for ultrasonic treatment.
9. The dustproof antibacterial antivirus paint of claims 1-7 is used for heat dissipation equipment of electronic and electric appliances.
10. The use of claim 9, wherein the dustproof, antibacterial and antivirus coating is coated on the surface of the heat dissipation equipment of the electronic and electric appliances by spraying or curtain coating and is cured at normal temperature.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116004114A (en) * | 2022-04-29 | 2023-04-25 | 重庆深盟新材料科技有限公司 | Light reflection heat-preservation weather-resistant coating and preparation method and application thereof |
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