CN111117477A - High-transmittance ultraviolet antifouling coating system embedded in ultraviolet LED lamp beads and preparation method thereof - Google Patents
High-transmittance ultraviolet antifouling coating system embedded in ultraviolet LED lamp beads and preparation method thereof Download PDFInfo
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- CN111117477A CN111117477A CN202010009380.0A CN202010009380A CN111117477A CN 111117477 A CN111117477 A CN 111117477A CN 202010009380 A CN202010009380 A CN 202010009380A CN 111117477 A CN111117477 A CN 111117477A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
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Abstract
The invention belongs to the field of marine antifouling, and particularly relates to a high-transmittance ultraviolet antifouling coating system embedded in ultraviolet LED lamp beads and a preparation method thereof. The system comprises a substrate, LED lamp beads and a high-transmittance ultraviolet antifouling coating; the high-ultraviolet-transmittance antifouling coating covers the substrate fixed with the LED lamp beads. The high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is applied to marine biofouling prevention. The invention combines the principle of ultraviolet lamp disinfection and sterilization with the high-transmittance ultraviolet coating, and the prepared antifouling coating system has lasting, broad-spectrum and high-efficiency inhibition effect on fouling organisms, particularly on microbial mucosa. In addition, the antifouling system adopts the LED lamp source with low power consumption and high brightness, so that a lot of novel energy sources can be conveniently adopted to take electricity on site in the vast sea without laying cables. The antifouling system has the advantages of no environmental ecology pollution, environmental protection; the preparation process is simple and efficient, the practicability is strong, and the popularization is easy.
Description
Technical Field
The invention belongs to the field of marine antifouling, and particularly relates to a high-transmittance ultraviolet antifouling coating system embedded in ultraviolet LED lamp beads and a preparation method thereof.
Background
Marine biofouling can be defined as the undesirable accumulation of microorganisms, algae, and aquatic animals and plants on structures submerged in seawater. The fouling process begins with organic compounds (such as polysaccharides, lipids and proteins) in the initial seawater being adsorbed on the clean surfaces of marine structures such as ship hulls within a few seconds. The initial fouling organisms mainly comprise bacteria, extracellular polymers secreted by the bacteria, diatom and the like, and the bacteria, the extracellular polymers secreted by the bacteria, the diatom and the like grow and multiply continuously to form microbial mucosa with inorganic molecules, organic molecules, suspended sea mud, particulate matters and the like in seawater, and as time goes on, larvae of large fouling organisms begin to attach, the types and the number of individuals increase continuously, and finally a biological community is formed. The adhesion of fouling organisms to the surface of the ship body reduces the navigation speed of the ship and generates additional frictional resistance, and particularly, the fuel cost of large container ships, warships, ocean cargo ships and the like is greatly increased. Meanwhile, fouling organisms can also affect the service life of marine wind power steel piles, bridge steel piles, buoys and novel underwater robots, namely underwater gliders, so that more serious problems such as biological corrosion caused by fouling organisms are caused. In addition, a large amount of seaweeds, barnacles and other marine organisms are easily accumulated on a circulating pipeline and heat exchange equipment of a water taking and cooling water system of a coastal power station, the working efficiency of a unit is seriously influenced, the heat exchange efficiency is reduced, and the unit cost is increased.
The antifouling coating can prevent fouling organisms from attaching and growing on the surfaces of ship hulls and other facilities immersed in seawater, and the traditional antifouling coating containing the biocide can continuously release one or more biocides, thereby achieving the aim of inhibiting the attachment of marine organisms. However, the use of biocides causes some environmental pollution, and the use of mercury, arsenic, DDT and organotin compounds, for example, has been largely banned.
In recent years, nontoxic antifouling methods have attracted increasing attention. The silicone-based Fouling Release Coating (FRC) can allow fouling organisms to attach and remove most fouling organisms at high navigational speeds by means of water flow shear forces, but currently, the slime layer formed by microorganisms such as bacteria, diatoms and the like cannot be removed. Others such as fluorinated polymers, smart polymer coatings, hydrophilic/hydrophobic coatings, fibrous coatings, scrubbable inert coatings and non-leaching reactive coatings have been investigated and considered as alternatives to antifouling coatings containing biocides. Although these anti-fouling technologies can inhibit the attachment and growth of fouling organisms in a variety of ways, no anti-fouling means has been found that is widely applicable to ships and other marine facilities. On the one hand, these techniques have not been developed into a functional coating system; on the other hand, these techniques have not provided a long term or generally effective way to keep the hull and the surface of the underwater marine facility clean.
Ultraviolet rays are a disinfection technology widely used in medical science, which can directly kill various bacteria, viruses, parasites, algae and other pathogens in water by irradiating running water with specially designed high-intensity, high-efficiency and long-life UVC (ultraviolet rays with the wavelength of 200-280 nm) short-wave ultraviolet rays, and the principle is that DNA and RNA in cell tissues are damaged, so that the regeneration of cells is prevented. The ultraviolet disinfection solution has the advantages of physical disinfection, no secondary pollution, no harm to environmental ecology and safe use, does not need to store, transport and use any toxic and corrosive chemical articles in the use process, and most importantly, has stable ultraviolet disinfection performance and is not influenced by environmental conditions and the change of pH value in water.
Furthermore, in vast oceans, the stable supply of power also presents a great challenge to the use of ultraviolet light in the field of marine antifouling, and after all, accessing power from the shore is a very cumbersome and costly matter. Offshore facilities are not considered in terms of cost, but are almost impossible for underwater gliders, steel piles, buoys, and the like, which are in service in open ocean for a long time. Although uv sterilization is considered to be an effective method, it also faces the difficulty of power supply in practical use.
Disclosure of Invention
In order to overcome the defects of the existing antifouling paint and antifouling means, the invention provides a high-transmittance ultraviolet antifouling coating system embedded in an ultraviolet LED lamp bead and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-ultraviolet-transmittance antifouling coating system embedded in ultraviolet LED lamp beads comprises a substrate, the LED lamp beads and a high-ultraviolet-transmittance antifouling coating; the high-ultraviolet-transmittance antifouling coating covers the substrate fixed with the LED lamp beads.
The wavelength range of the ultraviolet LED lamp beads is 10-400nm, the voltage of a single lamp bead is 3-7.5V, and the current is 20-40 mA. The ultraviolet lamp bead with the wavelength of 260-280nm is preferred, so that the antifouling effect is best.
The high-ultraviolet-transmission antifouling coating ensures that the high-ultraviolet-transmission coating has higher transmittance to ultraviolet light and has stability in use in a seawater environment, and comprises one or a mixture of more of organic silicon polymers, polyurethane, polyurea, polyurethane-urea, polyimide, fluorine-containing polyimide, amorphous fluorine-containing polymers, acrylate polymers and epoxy resin polymers.
Preferably a silicone polymer having excellent properties such as physiological inertness, high and low temperature resistance, weather resistance and hydrophobicity; it is obtained by mixing base rubber, a cross-linking agent and a catalyst.
A preparation method of a high-transmittance ultraviolet antifouling coating system embedded in ultraviolet LED lamp beads and capable of preventing biofouling comprises the following steps:
step 1: at least two LED lamp beads are fixed on the substrate, and each lamp bead is connected through a wire and finally connected with a power supply;
step 2: and uniformly coating and completely covering the substrate fixed with the LED lamp beads with a mixture of the base adhesive, the cross-linking agent and the catalyst as a high-ultraviolet-transmittance antifouling coating material, and performing cross-linking curing to obtain the high-ultraviolet-transmittance antifouling coating system embedded in the ultraviolet LED lamp beads.
The LED lamp beads are connected in series and/or in parallel through wires.
The power supply is a power supply capable of providing direct current, and particularly is a novel energy system capable of providing the direct current, and one or more of a sea mud power generation system, a solar cell panel, seawater concentration power generation, wave energy power generation and friction power generation by utilizing wave energy.
The base rubber, the cross-linking agent and the catalyst are mixed according to the weight ratio of 100: 3-4: 1, mixing; the curing condition is 2-5 h at room temperature.
The base adhesive is one or more of α -omega dihydroxy polydimethylsiloxane, α -omega divinyl polydimethylsiloxane, α -omega dihydro polydimethylsiloxane, α -omega dihydroxy polydimethyl phenyl siloxane, α -omega dihydroxy polydimethyl methyl trifluoro propyl siloxane, polydimethyl hydrogen methyl siloxane, α, omega-aminopropyl polydimethylsiloxane, polymethyl side chain hydrogen siloxane, poly [ dimethyl siloxane-co- [3- (2- (2-hydroxyethoxy) ethoxy) propyl ] methyl siloxane ], polymethyl side chain vinyl siloxane, poly [ dimethyl siloxane-co- (3-aminopropyl) methyl siloxane ] and poly [ dimethyl siloxane-co- (2- (3, 4-epoxy cyclohexyl) ethyl) methyl siloxane ];
the cross-linking agent is one or more of ethyl orthosilicate, vinyl trimethoxy silane, vinyl triethoxy silane, methyl triacetoxy silane, side chain hydrogen-containing silicone oil, polyhydroxy siloxane, aminoxy siloxane, methyl triacetoneximo silane, methyl tricyclohexylamino silane, methyl tri (N-methyl caproamide silane), methyl tri (isopropenyloxy) silane, methyl tri (diethanol amine) silane and cage type Polysilsesquioxane (POSS);
the catalyst is one or more of dibutyltin dilaurate, stannous octoate, diisopropoxy titanium ethyl diacetate, 1, 3-propyldioxy titanium ethyl diacetate, a titanium chelate catalyst, chloroplatinic acid-isopropanol, platinum (0) -1, 3-divinyl-1, 1,3, 3-tetramethyldisiloxane (Karstedt catalyst), a double-end enclosure-platinum complex and a diethyl phthalate-platinum complex.
A use of the system, characterized by: the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is applied to marine biofouling prevention.
The invention has the advantages of
According to the high ultraviolet-transmitting antifouling coating system, the principle of ultraviolet lamp disinfection and sterilization is combined with the high ultraviolet-transmitting coating, and the prepared antifouling coating system has excellent ultraviolet light transmission and excellent antifouling performance, has a lasting, broad-spectrum and efficient inhibition effect on fouling organisms, and particularly has an excellent effect on microbial mucosa. In addition, the anti-fouling system adopts the LED lamp source with low power consumption and high brightness, and can conveniently adopt a plurality of novel energy sources (such as a sea mud power generation system, a solar cell panel, seawater concentration power generation, wave energy power generation, friction power generation by utilizing wave energy and the like) so as to take power on site in the vast sea without laying cables. The antifouling system has the advantages of no environmental ecology pollution, environmental protection; the preparation process is simple and efficient, the practicability is strong, and the popularization is easy; the method specifically comprises the following steps:
(1) the high-transmittance ultraviolet coating system embedded in the ultraviolet LED lamp bead has excellent anti-biofouling performance, and particularly has lasting, broad-spectrum and efficient inhibition effect on microbial mucosa.
(2) The high-ultraviolet-transmittance antifouling coating system embedded in the ultraviolet LED lamp beads has no pollution to environmental ecology and is green and environment-friendly.
(3) The preparation process is simple and efficient, high in practicability and easy to popularize.
Drawings
Fig. 1 is a schematic view of a high-transmittance ultraviolet antifouling coating system embedded in an ultraviolet LED lamp bead according to an embodiment of the present invention. Fig. 2 is a schematic diagram of a sea mud battery for providing continuous output voltage for the ultraviolet LED lamp beads.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
A preparation method of a high-transmittance ultraviolet antifouling coating system embedded in an ultraviolet LED lamp bead comprises the following steps:
step 1: a certain number of LED lamp beads are fixed on the substrate, then each lamp bead is connected through a wire, and a power supply with proper output voltage is selected for power supply.
Step 2: after base glue, a cross-linking agent and a catalyst are uniformly mixed according to a certain proportion, the mixture is coated on a substrate fixed with LED lamp beads and completely covered on the substrate, and then cross-linking and curing are carried out under a certain condition, so that the high-transmittance ultraviolet antifouling coating system capable of preventing biofouling and being embedded into the ultraviolet LED lamp beads is finally prepared.
Preferably, the LED lamp beads are connected in parallel in a wire connection mode.
Preferably, the power supply is one of an adjustable power supply and a sea mud battery (see fig. 2).
Preferably, the base gum is one of α -omega dihydroxy polydimethylsiloxane and α -omega divinyl polydimethylsiloxane.
Preferably, the cross-linking agent is one of ethyl orthosilicate and side chain hydrogen-containing silicone oil.
Preferably, the catalyst is one of dibutyltin dilaurate and platinum-gold catalysts.
Example 1:
(1) 10 ultraviolet LED lamp beads with the wavelength of 280nm are fixed on a glass plate substrate of 30cm multiplied by 30cm, the connecting mode of leads is parallel connection, a power supply is an adjustable power supply, and the output voltage is 60V.
(2) Uniformly mixing 50g of base adhesive α -omega dihydroxy polydimethylsiloxane and 1.5g of cross-linking agent ethyl orthosilicate in a 100ml beaker, adding 0.5g of catalyst dibutyltin dilaurate (the mass ratio of the base adhesive to the cross-linking agent to the catalyst is 100: 3: 1), uniformly stirring, dropwise coating the mixture on a glass plate substrate paved with the ultraviolet LED lamp beads, then putting the glass plate substrate into a vacuum drying box, vacuumizing for 15min, removing bubbles, and curing at room temperature for about 2h to obtain the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads.
Example 2:
(1) 10 ultraviolet LED lamp beads with the wavelength of 280nm are fixed on a glass plate substrate of 30cm multiplied by 30cm, the connecting mode of leads is parallel connection, a power supply is a sea mud battery, and the output voltage is 60V.
(2) Uniformly mixing 50g of base adhesive α -omega dihydroxy polydimethylsiloxane and 1.5g of cross-linking agent ethyl orthosilicate in a 100ml beaker, adding 0.5g of catalyst dibutyltin dilaurate (the mass ratio of the base adhesive to the cross-linking agent to the catalyst is 100: 3: 1), uniformly stirring, dropwise coating the mixture on a glass plate substrate paved with ultraviolet LED lamp beads, then putting the glass plate substrate into a vacuum drying box, vacuumizing for 15min, removing bubbles, and curing at room temperature for about 2h to obtain the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads.
Example 3:
(1) the method comprises the steps of fixing 10 ultraviolet LED lamp beads with the wavelength of 350nm on a glass plate substrate of 30cm multiplied by 30cm, connecting wires in parallel, and enabling the power supply to be an adjustable power supply and the output voltage to be 60V.
(2) 50g of base adhesive α -omega dihydroxy polydimethylsiloxane (molecular weight is 5000), 1.5g of cross-linking agent ethyl orthosilicate are uniformly mixed in a 100ml beaker, then 0.5g of catalyst dibutyltin dilaurate (the mass ratio of the base adhesive to the cross-linking agent to the catalyst is 100: 3: 1) is added, the mixture is uniformly stirred, then the mixture is dropwise coated on a glass plate substrate paved with ultraviolet LED lamp beads, then the glass plate substrate is placed in a vacuum drying box for 15min, bubbles are removed, and the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is obtained after curing for about 1h at room temperature.
Example 4:
(1) 10 ultraviolet LED lamp beads with the wavelength of 395nm are fixed on a glass plate substrate of 30cm multiplied by 30cm, the connecting mode of leads is parallel connection, a power supply is a sea mud battery, and the output voltage is 60V.
(2) 50g of base adhesive α -omega dihydroxy polydimethylsiloxane (molecular weight is 5000), 1.5g of cross-linking agent ethyl orthosilicate are uniformly mixed in a 100ml beaker, then 0.5g of catalyst dibutyltin dilaurate (the mass ratio of the base adhesive to the cross-linking agent to the catalyst is 100: 3: 1) is added, the mixture is uniformly stirred, then the mixture is dropwise coated on a glass plate substrate paved with ultraviolet LED lamp beads, then the glass plate substrate is placed in a vacuum drying box for 15min, bubbles are removed, and the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is obtained after curing for about 2h at room temperature.
Example 5:
(1) 10 ultraviolet LED lamp beads with the wavelength of 280nm are fixed on a glass plate substrate of 30cm multiplied by 30cm, the connecting mode of leads is parallel connection, a power supply is an adjustable power supply, and the output voltage is 60V.
(2) 50g of base adhesive α -omega divinyl polydimethylsiloxane and 2g of cross-linking agent side chain hydrogen-containing silicone oil (the hydrogen content is 0.75%) are uniformly mixed in a 100ml beaker, then 0.5g of Karstedt catalyst (the mass ratio of the base adhesive, the cross-linking agent and the catalyst is 100: 4: 1) is added, the mixture is uniformly stirred, then the mixture is dripped on a glass plate substrate paved with ultraviolet LED lamp beads, then the glass plate substrate is placed in a vacuum drying box for air pumping for 15min, and after air bubbles are removed, the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is obtained after curing for about 5h at room temperature.
Example 6:
(1) the method comprises the steps of fixing 10 ultraviolet LED lamp beads with the wavelength of 350nm on a glass plate substrate of 30cm multiplied by 30cm, connecting leads in parallel, using a sea mud battery as a power supply and obtaining the output voltage of 60V.
(2) 50g of base adhesive α -omega divinyl polydimethylsiloxane and 2g of cross-linking agent side chain hydrogen-containing silicone oil (the hydrogen content is 0.75%) are uniformly mixed in a 100ml beaker, then 0.5g of Karstedt catalyst (the mass ratio of the base adhesive, the cross-linking agent and the catalyst is 100: 4: 1) is added, the mixture is uniformly stirred, then the mixture is dripped on a glass plate substrate paved with ultraviolet LED lamp beads, then the glass plate substrate is placed in a vacuum drying box for air bubble extraction for 15min, and after the air bubbles are removed, the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp is obtained after curing is carried out for about 5h at room temperature.
Example 7:
(1) 10 ultraviolet LED lamp beads with the wavelength of 395nm are fixed on a glass plate substrate of 30cm multiplied by 30cm, the connecting mode of leads is parallel connection, a power supply is a sea mud battery, and the output voltage is 60V.
(2) 50g of base adhesive α -omega divinyl polydimethylsiloxane and 2g of cross-linking agent side chain hydrogen-containing silicone oil (the hydrogen content is 0.75%) are uniformly mixed in a 100ml beaker, then 0.5g of Karstedt catalyst (the mass ratio of the base adhesive, the cross-linking agent and the catalyst is 100: 4: 1) is added, the mixture is uniformly stirred, then the mixture is dripped on a glass plate substrate paved with ultraviolet LED lamp beads, then the glass plate substrate is placed in a vacuum drying box for air pumping for 15min, and after air bubbles are removed, the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is obtained after curing for about 5h at room temperature.
Comparative example 1. 50g of base adhesive α -omega dihydroxy polydimethylsiloxane and 1.5g of cross-linking agent ethyl orthosilicate were uniformly mixed in a 100ml beaker, then 0.5g of catalyst dibutyltin dilaurate (the mass ratio of the base adhesive, the cross-linking agent and the catalyst is 100: 3: 1) was added, the mixture was stirred uniformly and then dripped on a glass plate substrate, then the glass plate substrate was placed in a vacuum drying oven to be bubbled for 15min, and after the bubbles were removed, the silicone antifouling coating was obtained by curing at room temperature for about 2 h.
Comparative example 2. 50g of base adhesive α -omega divinyl polydimethylsiloxane, 2g of cross-linking agent side chain hydrogen-containing silicone oil (hydrogen content 0.75%) were mixed uniformly in a 100ml beaker, then 0.5g of Karstedt catalyst (mass ratio of base adhesive, cross-linking agent and catalyst is 100: 4: 1) was added, after stirring uniformly, the mixture was drop-coated on a glass plate substrate on which ultraviolet LED lamp beads were laid, then the glass plate substrate was placed in a vacuum drying oven to be evacuated for 15min, after removal of bubbles, curing was carried out at room temperature for about 5h to obtain an organosilicon antifouling coating.
In order to evaluate the technical effect of the invention, a method for testing the real-sea hanging plate is adopted, the antifouling coating system prepared in the embodiment is immersed in coastal water of Qingdao by referring to GB/T5370-2007 (an antifouling paint sample plate shallow sea immersion test method), the antifouling performance of the antifouling coating system is examined, and the antifouling coating system is scored according to the attachment area of fouling organisms on the surface of the sample plate. The scoring rule is specifically as follows, if there is no any biological attachment, the score is 100; only primary attachment organisms such as biomembranes are marked as 95 points; if there are large fouling organisms such as barnacles, the calculation is performed according to the following formula: 95-number of individual attachments-area covered by population attachments.
Technical effect data which can be achieved by the system of the invention
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides an antifouling coating system of high ultraviolet that passes through of embedding ultraviolet LED lamp pearl which characterized in that: the system comprises a substrate, LED lamp beads and a high-transmittance ultraviolet antifouling coating; the high-ultraviolet-transmittance antifouling coating covers the substrate fixed with the LED lamp beads.
2. The high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp bead as claimed in claim 1, wherein: the wavelength range of the ultraviolet LED lamp beads is 10-400nm, the voltage of a single lamp bead is 3-7.5V, and the current is 20-40 mA.
3. The high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp bead as claimed in claim 1, wherein: the high-ultraviolet-transmittance antifouling coating is an organic silicon polymer obtained by mixing base glue, a cross-linking agent and a catalyst.
4. The preparation method of the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp according to claim 1, is characterized in that:
step 1: at least two LED lamp beads are fixed on the substrate, and each lamp bead is connected through a wire and connected with a power supply;
step 2: and uniformly coating and completely covering the substrate fixed with the LED lamp beads with a mixture of the base adhesive, the cross-linking agent and the catalyst as a high-transmittance ultraviolet antifouling coating material, and performing cross-linking curing to obtain the organic coating embedded in the ultraviolet LED lamp beads.
5. The method of claim 4, wherein: the LED lamp beads are connected in series and/or in parallel through wires.
6. The method of claim 4, wherein: the power supply is a power supply capable of providing direct current.
7. The method of claim 4, wherein: the base rubber, the cross-linking agent and the catalyst are mixed according to the weight ratio of 100: 3-4: 1, mixing; the curing condition is 2-5 h at room temperature.
8. The method according to claim 4, wherein the base gum is one or more selected from the group consisting of α - ω dihydroxypolydimethylsiloxane, α - ω divinylpolydimethylsiloxane, α - ω dihydropolydimethylsiloxane, α - ω dihydroxypolydimethylsiloxane, α - ω dihydroxypolydimethylsiloxane trifluoromethyltrifluoropropylsiloxane, polydimethylhydrogensiloxane, α, ω -aminopropylpolydimethylsiloxane, polymethylpendant hydrogensiloxane, poly [ dimethylsiloxane-co- [3- (2- (2-hydroxyethoxy) ethoxy) propyl ] methylsiloxane ], polymethylpendant vinylsiloxane, poly [ dimethylsiloxane-co- (3-aminopropyl) methylsiloxane ], and poly [ dimethylsiloxane-co- (2- (3, 4-epoxycyclohexyl) ethyl) methylsiloxane ];
the cross-linking agent is one or more of ethyl orthosilicate, vinyl trimethoxy silane, vinyl triethoxy silane, methyl triacetoxy silane, side chain hydrogen-containing silicone oil, polyhydroxy siloxane, aminoxy siloxane, methyl triacetoneximo silane, methyl tricyclohexylamino silane, methyl tri (N-methyl caproamide silane), methyl tri (isopropenyloxy) silane, methyl tri (diethanol amine) silane and cage type Polysilsesquioxane (POSS);
the catalyst is one or more of dibutyltin dilaurate, stannous octoate, diisopropoxy titanium ethyl diacetate, 1, 3-propyldioxy titanium ethyl diacetate, a titanium chelate catalyst, chloroplatinic acid-isopropanol, platinum (0) -1, 3-divinyl-1, 1,3, 3-tetramethyldisiloxane (Karstedt catalyst), a double-end enclosure-platinum complex and a diethyl phthalate-platinum complex.
9. Use of the system of claim 1, wherein: the high-transmittance ultraviolet antifouling coating system embedded in the ultraviolet LED lamp beads is applied to marine biofouling prevention.
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| KR102415590B1 (en) * | 2021-10-08 | 2022-07-01 | 주식회사 도원엔바이로 | Manufacturing method of anti-pollution coating agent used in UV sterilizer for water and UV sterilization device using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102415590B1 (en) * | 2021-10-08 | 2022-07-01 | 주식회사 도원엔바이로 | Manufacturing method of anti-pollution coating agent used in UV sterilizer for water and UV sterilization device using same |
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