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Self-polishing antifouling resin and preparing method thereof

An antifouling resin and self-polishing technology, which is applied in antifouling/underwater coatings, coatings, paints containing biocides, etc., can solve the problems of serious side reactions of self-polishing resins, complex synthesis processes, etc., and achieve reliable self-polishing Performance, simple reaction process, avoid gel and side effects

Active Publication Date: 2017-08-11
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The zinc acrylate resin synthesized by the above method is monofunctional, and the syn

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0020] Example 1:

[0021] Synthesis of bifunctional zinc acrylate monomer: Add 122.1g of zinc oxide (ZnO) and 256.2g of propylene glycol methyl ether (PGM) into a 1L four-necked flask, mix well with a powerful mechanical stirrer and heat to 75℃ ; Will 129.3g methacrylic acid (MAA), 108.3g acrylic acid (AA) and 15g water (H 2 O) After mixing uniformly, add it to a 500mL constant pressure funnel and drop it into a four-necked flask containing zinc oxide and propylene glycol methyl ether at a constant speed. The uniform titration process is controlled at about 3 hours. When the liquid in the constant pressure funnel was added, the reaction was continued for 2 hours, and the temperature was controlled at 75°C. Finally, 108 g of propylene glycol methyl ether was added. During the whole reaction process, the liquid in the flask began to appear milky white, and finally appeared colorless and transparent, that is, the bifunctional zinc acrylate monomer was prepared.

Example Embodiment

[0022] Example 2:

[0023] Synthesis of zinc acrylate resin: Add 15g PGM, 57g xylene, and 5g EA to a four-necked flask equipped with a thermometer, mechanical stirring, reflux tube and dropping funnel. After mixing, turn on the mechanical stirring and introduce nitrogen gas, and put it in an oil bath. Heat to 100°C; mix a certain amount of 10g MMA, 55g EA, 15g 2-MEA, 20g zinc acrylate monomer and 10g xylene, 1.0g chain transfer agent MSD, 2.5g chain initiator AIBN and 7g AMBN solution Drop into the flask at a constant speed of 6h; after the addition is complete, add a certain amount of auxiliary 0.5g initiator BPO solution for the second initiation reaction, add 0.5h and continue the reaction for 1.5h; add a certain amount after the reaction is complete Xylene is a colorless, clear and transparent zinc acrylic resin solution.

Example Embodiment

[0024] Example 3:

[0025] Synthesis of zinc acrylate resin: Add 15g PGM, 57g xylene, and 5g EA to a four-necked flask equipped with a thermometer, mechanical stirring, reflux tube and dropping funnel. After mixing, turn on the mechanical stirring and introduce nitrogen gas, and put it in an oil bath. Heat to 100℃; mix a certain amount of 10g MMA, 45g EA, 10g EA, 20g 2-MEA, 15g zinc acrylate monomer and 10g xylene, 1.0g chain transfer agent MSD, 2.5g chain initiator AIBN and 7g AMBN solution was dropped into the flask at a constant speed for 6 hours; after the addition was completed, a certain amount of auxiliary initiator 0.5g BPO solution was added to initiate the second reaction, and the reaction was continued for 1.5 hours after the dropwise addition for 0.5 hours; added after the reaction was completed A certain amount of xylene can obtain a colorless, clear and transparent zinc acrylic resin solution.

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PUM

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Abstract

The invention provides a self-polishing antifouling resin and a preparing method thereof. The self-polishing antifouling resin is prepared from, by weight, 10-44 parts of a bifunctional zinc acrylate monomer solution, 55-70 parts of other acrylate polymerizable unsaturated monomers, 0.8-5 parts of an initiating agent and 40-55 parts of a mixed solvent. The self-polishing antifouling resin comprises the bifunctional zinc acrylate monomers and other free-radical-initiated-polymerization unsaturated monomers, and the mixture is prepared into a matrix resin component in an antifouling coating for an environment-friendly ship through copolymerization. According to the self-polishing antifouling resin and the preparing method thereof, synthesized cross-linking-type zinc acrylate resin serves as the antifouling coating of a main film-forming substance, and has the good base-material adhesive force, the certain self-polishing rate, the good antifouling effect in the ocean environment and good practical applications and development prospects.

Description

technical field [0001] The invention relates to a marine antifouling paint, and also relates to a preparation method of the marine antifouling paint. Background technique [0002] Marine fouling organisms usually refer to all attached animals, fouling plants, and microorganisms that grow on the part of the hull below the waterline and on the surface of offshore platform facilities. There are many kinds of marine fouling organisms, which have a very huge adverse effect on marine ships; after marine fouling organisms are adsorbed on the bottom of the ship, it will increase the frictional resistance of the ship during navigation, increase the fuel consumption of the ship, and waste increasingly precious fossil fuels; The adsorption of fouling organisms will also destroy the anti-fouling coating and anti-corrosion coating on the surface of the ship. The destruction of the anti-fouling coating will intensify the adsorption of fouling organisms, forming a vicious circle, and the d...

Claims

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Application Information

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IPC IPC(8): C08F220/18C08F220/14C08F220/06C09D133/08C09D5/16
CPCC08F220/18C09D5/1668C09D133/08C08F220/14C08F220/06
Inventor 陈蓉蓉李亚坤刘连河王君宋帆唐亮
Owner HARBIN ENG UNIV
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