CN111138958A - Gel coat coating material with antifouling property and preparation method thereof - Google Patents
Gel coat coating material with antifouling property and preparation method thereof Download PDFInfo
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- CN111138958A CN111138958A CN202010024685.9A CN202010024685A CN111138958A CN 111138958 A CN111138958 A CN 111138958A CN 202010024685 A CN202010024685 A CN 202010024685A CN 111138958 A CN111138958 A CN 111138958A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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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
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
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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
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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
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention relates to the technical field of preparation of marine antifouling coating materials, in particular to a gel coat coating material with antifouling property and a preparation method thereof. Mixing the component A and the component B according to the mass ratio of 10:1-20: 1; wherein, the component A comprises 35 to 45 portions of matrix resin, 0 to 27 portions of cuprous oxide, 0 to 6 portions of auxiliary antifouling agent, 0.5 to 4 portions of filler, 0.5 to 3 portions of auxiliary agent and 20 to 45 portions of diluent; the component B comprises 40-70 parts of curing agent and 30-60 parts of diluent according to the parts by weight. Compared with the prior art, the marine antifouling gel coat coating material has the advantages of good antifouling effect, strong adhesion with a glass fiber reinforced plastic substrate and the like.
Description
Technical Field
The invention relates to the technical field of preparation of marine antifouling coating materials, in particular to a gel coat coating material with antifouling property and a preparation method thereof.
Background
Glass fiber reinforced plastic, i.e., fiber reinforced plastic, generally refers to a type of composite material made of glass fiber cloth and unsaturated polyester, epoxy resin, phenolic resin. The glass fiber reinforced plastic has the advantages of light weight, high strength, corrosion resistance, excellent insulating property and heat insulating property, good designability, excellent manufacturability and the like, and is widely used for glass fiber reinforced plastic ship bodies, outer covers of marine anti-corrosion coating materials, marine oil production platforms and the like. However, glass fiber reinforced plastics also have disadvantages such as poor long-term weather resistance, easy aging, and poor abrasion resistance.
It is a common practice to coat a continuous gel coat layer (i.e. cured gel coat resin) on the outer layer of the glass fiber reinforced plastic product to improve the weather resistance, wear resistance, corrosion resistance, impact resistance and aesthetic property of the glass fiber reinforced plastic product, so as to protect the product performance and prolong the service life. The application of the glass fiber reinforced plastic product in the marine industry faces serious biofouling problem, the currently generally adopted method is to coat the antifouling paint, however, the conventional marine antifouling paint has the defect of poor adhesion with a glass fiber reinforced plastic base material or a gel coat layer, the service time of the antifouling paint is greatly reduced, and the glass fiber reinforced plastic product can not be effectively protected from biofouling.
Generally, glass fiber reinforced plastic products can be optionally coated with antifouling paint for antifouling, but the existing antifouling paint is coated on the gel coat resin material on the outermost layer of the glass fiber reinforced plastic products, while the common commercial antifouling paint mainly uses acrylic resin, chlorinated rubber resin and organic silicon elastomer as matrix resin, has poor compatibility with the gel coat resin for glass fiber reinforced plastic, and the gel coat resin material is generally smooth, and the conventional antifouling paint has a problem of poor adhesion on the surface of the glass fiber reinforced plastic. In addition, the antifouling paint applied on the surface of the glass fiber reinforced plastic belongs to secondary processing, and increases the cost and the environmental risk. Therefore, an antifouling coating material for glass fiber reinforced plastics, which has excellent antifouling performance and good adhesion, is urgently needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a gel coat material with antifouling property and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a marine antifouling gel coat coating material is prepared by mixing a component A and a component B according to the mass ratio of 10:1-20: 1;
wherein, the component A comprises 35 to 45 portions of matrix resin, 0 to 27 portions of cuprous oxide, 0 to 6 portions of auxiliary antifouling agent, 0.5 to 4 portions of filler, 0.5 to 3 portions of auxiliary agent and 20 to 45 portions of diluent; and the weight parts of the cuprous oxide and the auxiliary antifouling agent are not 0 at the same time.
The component B comprises 40-70 parts of curing agent and 30-60 parts of diluent according to the parts by weight.
The matrix resin is one or more of toluene dicarboxylic acid type polyester, bisphenol A type polyester resin and vinyl ester resin.
The auxiliary antifouling agent is one or more of copper pyrithione, zinc pyrithione, zineb, diuron, zinc oxide, copper powder, copper naphthenate, nano silver powder, nano/micro cuprous oxide, nano/micro cupric oxide, cuprous thiocyanate, SeaNine-211, isothiazolinone compounds and derivatives thereof, bromopyrrolecarbonitrile, medetomidine, capsaicin, nano copper @ carbon, pyridine triphenyl boron, abamectin and ivermectin.
The pigment and filler is one or more of barium sulfate, zinc oxide, titanium dioxide, calcium carbonate, iron oxide red, silicon micropowder, talcum powder, kaolin, carbon black, copper sulfate and graphene.
The curing agent is one or more of methyl ethyl ketone peroxide, cobalt iso-zincate, m-xylylenediamine, dimethylaniline, diethylaniline and ethylenediamine.
The auxiliary agent comprises a defoaming agent, a thixotropic agent, a dispersing agent and a flatting agent, and the mass ratio of the auxiliary agent to the auxiliary agent is (0.1-1.0): (0.3-1.8): (0.05-0.2): (0.02-1.5) mixing.
The defoaming agent is modified silicone oil; the thixotropic agent is one or two of organic bentonite and polyamide wax; the dispersant is modified polyurethane; the leveling agent is polyether modified silicone oil.
The diluent in the component A and the component B is one or more of trihydroxy methyl propane triglycidyl ether, ethylene glycol diglycidyl ether, styrene and acetone.
A preparation method of a gel coat coating material with antifouling property comprises the following steps:
(1) mixing the matrix resin, cuprous oxide, the auxiliary antifouling agent, the pigment and filler, the auxiliary agent and the solvent according to the proportion, and dispersing for 20-40 minutes by using a high-speed dispersion machine or a ball mill after mixing to obtain a primary dispersed component A; then further dispersing the obtained mixture for about 1-24h, and obtaining the component A when the fineness of the dispersion is less than or equal to 70 μm.
If the step uses a high-speed dispersion machine, the rotating speed is set at 2000-4000 r/min; if a ball mill is used, the rotational speed is set at 30 to 100 r/min.
(2) Stirring and dispersing the curing agent and the solvent to obtain a component B; and then mixing the component A and the component B according to the proportion, and uniformly stirring.
The invention has the advantages that:
the gel coat coating material of the invention replaces the traditional gel coat resin to coat on the outermost layer of the glass fiber reinforced plastic product in the processing and forming process of the glass fiber reinforced plastic product, thereby forming the antifouling gel coat coating. When the coating is soaked in seawater, the antifouling agent coated in the coating can be slowly released into the seawater, so that the antifouling aim is fulfilled. Compared with the prior art, the invention directly adopts the gel coat resin for manufacturing the glass fiber reinforced plastic gel coat layer as the carrier of the anti-fouling agent, ensures that the anti-fouling agent has good bonding strength with glass fiber reinforced plastic products, and effectively solves the technical problem that the conventional anti-fouling coating has poor adhesion to glass fiber reinforced plastic substrates. Meanwhile, the technical problem that the conventional gel coat is weak in marine organism fouling resistance is solved;
the method specifically comprises the following steps:
(1) the adhesive force is good, so that the glass fiber reinforced plastic product has good adhesive strength;
(2) the antifouling property is excellent, and the antifouling agent with good antifouling property is used and slowly released from the coating material, so that the antifouling property is improved.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail with reference to specific embodiments below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
40 parts of bisphenol A polyester resin, 23 parts of cuprous oxide, an auxiliary antifouling agent copper pyrithione, 1.5 parts of pigment filler zinc oxide, 1 part of pigment filler iron oxide red, 0.3 part of modified silicone oil, 0.5 part of organic bentonite, 0.1 part of dispersant commercial modified polyurethane, 0.5 part of flatting agent commercial polyether modified silicone oil and 35 parts of diluent styrene are sequentially added into an iron skin tank, the mixture is dispersed on a high-speed dispersion machine at the rotating speed of 1500r/min for 20 minutes, then, the rotating speed is increased to 3000r/min, the high-speed dispersion is continued for about 1 hour, and when the fineness of a dispersion is less than or equal to 70 mu m, the component A can be obtained. In the process of high-speed dispersion, ice water is continuously mixed to cool the iron tank, so that the temperature in the iron tank is prevented from being too high.
50 parts of methyl ethyl ketone peroxide is dispersed into 50 parts of styrene under rapid stirring to obtain a component B.
When in use, the obtained component A and the component B are mixed according to the mass ratio of 15:1, and are uniformly stirred, so that the composition can be applied.
Testing the real sea hanging plate: the component A and the component B of the prepared gel coat material are mixed according to the proportion, stirred evenly by strong force, then evenly coated on the surface of a sample plate (200mm multiplied by 100mm multiplied by 5mm) of a glass fiber reinforced plastic product, and cured under the condition of room temperature to form the antifouling coating. Standing for 3-5 days at room temperature, and then placing the floating raft in the real sea to perform a real sea static immersion test to investigate the antifouling performance. Samples were periodically taken from the real sea and the results were recorded by observation. The evaluation of the antifouling performance refers to GB/T5370-2007 (antifouling paint sample plate shallow sea immersion test method) to score the sample, and the scoring criterion is as follows: no marine growth attached, and can be rated as 100 points; only the attachment of the primary fouling organisms is reduced to 95 minutes; mature fouling organisms grow and their score is calculated as 95-number of individual attachments-area covered by population attachments.
Testing of adhesion: the paint film adhesion of the coating on the substrate (on epoxy fiberboard) was tested using a PosiTest AT-AAutomatic tensile tester. A cylindrical aluminum ingot having a diameter of 2cm was bonded to the surface of the coating layer using an epoxy adhesive according to ASTM D4541-09, the coating layer was detached from the substrate at a stress loading rate of 0.2MPa/s after the adhesive was cured for 3 days, the surface of each sample was tested for 5 points, and the average value was taken as the test result.
The gel coat materials of examples 2 to 6 were prepared in the same manner as in example 1, and the antifouling paint was uniformly applied to the surface of the glass fiber reinforced plastic article sample plate in the same manner as in example 1. Meanwhile, a glass steel product sample not coated with any antifouling paint and gel coat resin was prepared as comparative example 1; a glass rigid article sample coated with a conventional commercially available gel coat resin (e.g., TC-34# gel coat, GN1000 gel coat, etc.) was used as comparative example 2; a glass rigid article panel coated with a conventional commercially available acrylic resin-based marine antifouling paint (e.g., 889 long-life self-polishing antifouling paint) was used as comparative example 3. The panels of examples 2 to 6 and comparative examples 1, 2 and 3 were subjected to antifouling tests in the same sea area in the same manner, and the results were recorded and scored (for evaluation of antifouling properties, reference is made to GB/T)
5370-2007). See tables 1 and 2 for the compositions of the examples.
TABLE 1 compositions of the A component of examples 1-6
TABLE 2 examples 1-6 compositions of B component
Mixing the component A and the component B obtained in the above examples 2-6 according to a mass ratio of 10:1-20:1, preferably mixing the component A and the component B according to a mass ratio of 13: 1; thus obtaining the marine antifouling gel coat coating material.
The adhesion test and antifouling test effects of each example and comparative example are shown in table 3.
Table 3 adhesion test and antifouling test results of examples 1 to 6 and comparative examples 1 to 3
From examples 1-6 and comparative examples 1-3, it can be seen that the antifouling material of the embodiment of the invention can effectively avoid the adsorption of marine organisms on the hanging plate after 12 months of hanging plate experiment tests after being coated on the surface of the hanging plate to form the antifouling coating, has a good antifouling effect, and has an antifouling score of over 90, while the tested hanging plate has a large amount of marine organisms adsorbed thereon after 12 months of tests in comparative examples 1 and 2, the surface of the hanging plate is almost completely covered by the marine organisms, and the antifouling score of 0. In contrast, in comparative example 3 in which the conventional antifouling paint was applied, after the immersion in the sea for 12 months, a large scale of exfoliation was observed, and the exfoliated area was completely covered with marine organisms, and only a small amount of marine organisms adhered to the area having the antifouling paint, and the antifouling score reached only 64. Meanwhile, the antifouling material disclosed by the invention does not fall off in the test process, which shows that the adhesion is good. It should be noted that comparative example 2 is a general commercially available gel coat resin, does not contain any active ingredient having an active effect on marine organisms, and thus has a poor antifouling effect, but has a good adhesive property to glass fiber reinforced plastic materials. In contrast, comparative example 3 is a conventional commercially available antifouling paint, in which the matrix resin is an acrylic resin, which has poor compatibility with epoxy resin-based glass fiber reinforced plastic materials and low adhesion strength, and although it has good antifouling performance by using bioactive components in the paint, the coating is peeled off due to weak adhesion, resulting in bioadhesion. The invention combines the advantages of good bonding property of the resin for common gel coat and glass fiber reinforced plastic and biological adhesion prevention of bioactive substances in the antifouling paint, overcomes the defects of respective materials, and achieves the purposes of the invention: the epoxy glass fiber reinforced plastic has good bonding performance with an epoxy glass fiber reinforced plastic base material and excellent marine organism adhesion prevention performance.
The invention can avoid secondary processing, improve bonding strength and solve the problems of poor adhesion and easy peeling of the antifouling coating. Compared with the prior art, the gel coat coating material provided by the invention has a good antifouling effect, and importantly, the adhesion force between the gel coat coating material and a glass fiber reinforced plastic product is larger, so that the service life of the gel coat coating material is prolonged. In addition, the preparation method of the antifouling paint is simple and practical and is suitable for industrial production.
Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A marine antifouling gel coat coating material is characterized in that a component A and a component B are mixed according to the mass ratio of 10:1-20: 1;
wherein, the component A comprises 35 to 45 portions of matrix resin, 0 to 27 portions of cuprous oxide, 0 to 6 portions of auxiliary antifouling agent, 0.5 to 4 portions of filler, 0.5 to 3 portions of auxiliary agent and 20 to 45 portions of diluent;
the component B comprises 40-70 parts of curing agent and 30-60 parts of diluent according to the parts by weight.
2. The marine antifouling gel coat material as claimed in claim 1, wherein the matrix resin is one or more of toluene dicarboxylic acid type polyester, bisphenol A type polyester resin, and vinyl ester resin.
3. The marine antifouling gel coat coating material of claim 1, wherein the auxiliary antifouling agent is one or more of copper pyrithione, zinc pyrithione, zineb, diuron, zinc oxide, copper powder, copper naphthenate, nano silver powder, nano/micro cuprous oxide, nano/micro cupric oxide, cuprous thiocyanate, SeaNine-211, isothiazolinone compounds and derivatives thereof, bromopyrrolecarbonitrile, medetomidine, capsaicin, nano copper @ carbon, triphenylboron pyridine, abamectin, and ivermectin.
4. The marine antifouling gel coat coating material as claimed in claim 1, wherein the pigment and filler is one or more of barium sulfate, zinc oxide, titanium dioxide, calcium carbonate, iron oxide red, silica micropowder, talcum powder, kaolin, carbon black, copper sulfate and graphene.
5. The marine antifouling gel coat material as claimed in claim 1, wherein the curing agent is one or more of methyl ethyl ketone peroxide, cobalt iso-zincate, m-xylylenediamine, dimethylaniline, diethylaniline and ethylenediamine.
6. The marine antifouling gel coat coating material as claimed in claim 1, wherein the auxiliary agents are defoaming agents, thixotropic agents, dispersing agents and leveling agents, and the mass ratio of (0.1-1.0): (0.3-1.8): (0.05-0.2): (0.02-1.5) mixing.
7. The antifoaming agent according to claim 6, characterized in that the antifoaming agent is a modified silicone oil; the thixotropic agent is one or two of organic bentonite and polyamide wax; the dispersant is modified polyurethane; the leveling agent is polyether modified silicone oil.
8. The marine antifouling gel coat coating material as claimed in claim 1, wherein the diluent in the component A and the component B is one or more of trihydroxymethyl propane triglycidyl ether, ethylene glycol diglycidyl ether, styrene and acetone.
9. A method for preparing the gel coat material having antifouling property according to any one of claims 1 to 8, wherein:
(1) mixing the matrix resin, cuprous oxide, the auxiliary antifouling agent, the pigment and filler, the auxiliary agent and the solvent according to the proportion, and dispersing for 20-40 minutes by using a high-speed dispersion machine or a ball mill after mixing to obtain a primary dispersed component A; further dispersing the obtained mixture for about 1-24h to obtain component A when the fineness of the dispersion is less than or equal to 70 μm;
(2) stirring and dispersing the curing agent and the solvent to obtain a component B; and then mixing the component A and the component B according to the proportion, and uniformly stirring.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625595A (en) * | 2020-12-08 | 2021-04-09 | 中国科学院海洋研究所 | Nano synergistic low surface energy antifouling composition and preparation method thereof |
| CN113292907A (en) * | 2021-06-25 | 2021-08-24 | 张义和 | Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof |
| CN113897117A (en) * | 2021-11-29 | 2022-01-07 | 广东美涂士建材股份有限公司 | Industrial coating capable of resisting marine organism fouling and preparation method thereof |
| CN114409559A (en) * | 2022-01-07 | 2022-04-29 | 湖南航天三丰科工有限公司 | Preparation method and application of environment-friendly antifouling agent for marine coating |
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| CN112625595A (en) * | 2020-12-08 | 2021-04-09 | 中国科学院海洋研究所 | Nano synergistic low surface energy antifouling composition and preparation method thereof |
| CN113292907A (en) * | 2021-06-25 | 2021-08-24 | 张义和 | Vinyl resin gel coat firmly combined with phenolic resin and preparation method thereof |
| CN113897117A (en) * | 2021-11-29 | 2022-01-07 | 广东美涂士建材股份有限公司 | Industrial coating capable of resisting marine organism fouling and preparation method thereof |
| CN113897117B (en) * | 2021-11-29 | 2022-05-13 | 广东美涂士建材股份有限公司 | Industrial coating capable of resisting marine organism fouling and preparation method thereof |
| CN114409559A (en) * | 2022-01-07 | 2022-04-29 | 湖南航天三丰科工有限公司 | Preparation method and application of environment-friendly antifouling agent for marine coating |
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