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Antifouling coating composition, antifouling coating film, substrate with antifouling coating film, manufacturing method thereof, and repairing method

A technology of antifouling coatings and compositions, applied in antifouling/underwater coatings, chemical instruments and methods, devices for coating liquids on surfaces, etc., which can solve the problems of reduced flow rate, hypoxia-induced death of cultured organisms and fished organisms, Water supply and drainage pipe blockage and other problems, to achieve the effect of excellent aesthetics and excellent long-term antifouling performance

Active Publication Date: 2022-06-17
CHUGOKU MARINE PAINTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the base material is fishing nets such as breeding nets and fixed nets, sometimes the meshes will be clogged by aquatic organisms, causing major problems such as hypoxia and lethality of cultured organisms and fished organisms.
In addition, when aquatic organisms adhere to and multiply in seawater supply and drainage pipes of factories, thermal power plants, and nuclear power plants, etc., the water supply and drainage pipes may be clogged and the flow rate may be reduced.

Method used

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  • Antifouling coating composition, antifouling coating film, substrate with antifouling coating film, manufacturing method thereof, and repairing method
  • Antifouling coating composition, antifouling coating film, substrate with antifouling coating film, manufacturing method thereof, and repairing method
  • Antifouling coating composition, antifouling coating film, substrate with antifouling coating film, manufacturing method thereof, and repairing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0236] Hereinafter, the present invention will be further specifically described by way of examples, but the present invention is not limited by the examples at all. Hereinafter, "part" means a mass part unless it violates the gist in particular. The evaluation of the copolymer, the antifouling coating composition, the antifouling coating film, and the like, which will be described later, was performed as follows.

[0237] [Analysis method of copolymer]

[0238]

[0239] Measure the copolymer solution into a metal test dish of known mass, spread it on the bottom, put it in a constant temperature bath maintained at a temperature of 105-110°C for 3 hours, take it out and cool it to room temperature, weigh the mass again, and find Take out the remaining amount in the metal test dish. The content rate (mass %) of the solid content was calculated by the following formula.

[0240] Content ratio of solid content (mass %)=remainder in metal test dish (g)×100 / mass (g) of measured...

manufacture example A1

[0337] The reaction was carried out under normal pressure and nitrogen atmosphere. 428.6 parts of xylene and 100 parts of triisopropylsilyl methacrylate (TIPSMA) were added to a reaction vessel equipped with a stirrer, a reflux condenser, a thermometer, a nitrogen introduction tube, and a dropping funnel, and stirred with a stirrer. It was heated until the liquid temperature reached 80°C. While maintaining the liquid temperature in the reaction container at 80±5°C, using a dropping funnel, 500 parts of TIPSMA and 2-methoxyethyl methacrylate (MEMA) were added dropwise to the reaction container over 2 hours. 250 parts, 98 parts of methyl methacrylate (MMA), 50 parts of butyl acrylate (BA), 2 parts of methacrylic acid (MAAc) and 13 parts of 2,2'-azobisisobutyronitrile (AIBN) mixture. After completion of the dropwise addition, the reaction solution was stirred at 80° C. for 1 hour, and then stirred at 80 to 95° C. for 1 hour and 30 minutes. Then, 1 part of AIBN was added to the...

manufacture example A9

[0343] The reaction was carried out under normal pressure and nitrogen atmosphere. 538.5 parts of xylenes were put into a reaction container equipped with a stirrer, a reflux condenser, a thermometer, a nitrogen introduction tube, and a dropping funnel, and the liquid temperature was heated to 80° C. while stirring with a stirrer. While maintaining the liquid temperature in the reaction vessel at 80±5°C, using a dropping funnel, drip 500 parts of TIPSMA, 300 parts of MEMA, 95 parts of MMA, and 100 parts of BA into the reaction vessel over 2 hours. , a mixture of 5 parts of MAAc and 13 parts of AIBN. After completion of the dropwise addition, the reaction solution was stirred at 80° C. for 1 hour, and then stirred at 80 to 95° C. for 1 hour and 30 minutes. Then, 1 part of AIBN was added to the reaction liquid every 30 minutes while maintaining the temperature at 95° C. 4 times, the liquid temperature was raised to 105° C., and the polymerization reaction was completed. Next, ...

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Abstract

The purpose is to provide an antifouling film that maintains the aesthetics required by the film and has excellent long-term antifouling performance even if it is directly coated on the old antifouling coating film that contains a weak layer that has been exposed to water for a long time and has dissolved the antifouling agent component. An antifouling paint composition for a fouling paint film, an antifouling paint film, a substrate with an antifouling paint film, a manufacturing method thereof, and a repair method for the old antifouling paint film. The antifouling coating composition of the present invention contains silyl ester copolymer (A) and rosin and / or monocarboxylic acid compound (B), and described silyl ester copolymer (A) has Structural units derived from triisopropylsilyl acrylate (a1) and structural units derived from ethylenically unsaturated monomers other than triisopropylsilyl methacrylate (a1), solid content acid value 0.1 -10 mgKOH / g, and the content of the rosin and / or the monocarboxylic acid compound (B) is 100 parts by mass or less with respect to 100 parts by mass of the solid content of the silyl ester-based copolymer (A).

Description

technical field [0001] The present invention relates to an antifouling coating composition, and more particularly, to an antifouling coating composition effective for antifouling on the surface of a substrate exposed to water, an antifouling coating film formed from the antifouling coating composition, and a The base material of the antifouling coating film, the manufacturing method thereof, and the repairing method of the old antifouling coating film. Background technique [0002] The surface of substrates (ships, fishing nets, other underwater structures, etc.) exposed to water (oceans, rivers, lakes, etc.) for a long time in the natural environment is prone to cause a variety of aquatic organisms (oysters, mussels, barnacles and other animals). plant species such as seaweed, seaweed, Ulva, and bacteria, etc.). If aquatic organisms adhere to the surface of the substrate, the appearance will be damaged, or various problems will occur. For example, when the base material i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D143/04B05D5/00B05D7/24B32B27/00B32B27/30C09D5/16C09D133/14
CPCC09D143/04B05D5/08B05D5/005B63B59/04C08F230/08C09D5/1687C08F220/281C08F220/14C08F220/1804C08F220/06C08K5/0016B05D5/00B05D7/24C09D5/1656C09D133/14
Inventor 原田祥太郎筏井淳内
Owner CHUGOKU MARINE PAINTS
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