Fluorine-modified zinc acrylate antifouling coating material and preparation method thereof

A technology of zinc acrylate and antifouling paint, applied in antifouling/underwater paints, coatings, paints containing biocides, etc., can solve problems such as lack of research, achieve less antifouling dosage, less environmental harm, and prevent The effect of improving the fouling performance

Inactive Publication Date: 2016-02-03
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN102167774A discloses a preparation method of a fluorine-modified zinc acrylate antifouling resin with self-polishing and low surface energy properties. The resin uses fluorine-containing acrylate to modify the zinc acrylate resin to obtain a self-polishing A new type of antifouling resin for marine ships with high performance and low surface energy, but there is no research on the application of this resin in marine antifouling coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add 70g of xylene and 18g of n-butanol into a four-neck flask equipped with a stirrer, reflux condenser, constant pressure dropping funnel, and thermometer, stir and heat up to 85°C, then weigh 50g of methyl methacrylate, 30g The mixed solution of butyl acrylate, 10g acrylic acid, 10g dodecafluoroheptyl methacrylate, and 5g azobisisobutyronitrile was dropped in 2.5h with a constant pressure dropping funnel, kept warm for 1.5 hours, and then weighed 50g diisobutyronitrile Toluene, 14g n-butanol, 1g azobisisobutyronitrile, drop it within 0.5h, keep warm for 1h, then lower the temperature to 60~80℃, weigh 50g xylene, 18g n-butanol, 13.75g hydroxide Add zinc and 8.33g acetic acid successively within 15 minutes, keep warm for 1 hour, then raise the temperature to 100~110°C, when no more water evaporates, cool down to room temperature, and discharge to obtain fluorine-modified zinc acrylate resin.

[0026] The sample prepared in this example is tested and analyzed, and the nu...

Embodiment 2

[0028] The fluorine-modified acrylate zinc resin prepared by 40 parts by mass of Example 1, 5 parts by mass of cuprous oxide, 5 parts by mass of 2,4,5,6-tetrachloroisophthalonitrile (chlorothalonil), 9 parts by mass Iron red, 6 parts by mass of zinc oxide, 7 parts by mass of talcum powder, 2 parts by mass of multi-functional additives, 21 parts by mass of xylene, and 5 parts by mass of n-butanol were mixed and stirred evenly, and ground and dispersed until the particle size was less than 60 microns. Coating 1, after testing, its adhesion is grade 4 and its hardness is H.

Embodiment 3

[0030] Add 70g of xylene and 18g of n-butanol into a four-neck flask equipped with a stirrer, reflux condenser, constant pressure dropping funnel, and thermometer, stir and heat up to 85°C, then weigh 50g of methyl methacrylate, 30g The mixed solution of butyl acrylate, 10g acrylic acid, 20g dodecafluoroheptyl methacrylate, and 5g azobisisobutyronitrile was dropped in 2.5h with a constant pressure dropping funnel, kept warm for 1.5 hours, and then weighed 50g diisobutyronitrile Toluene, 14g n-butanol, 1g azobisisobutyronitrile, drop it within 0.5h, keep warm for 1h, then lower the temperature to 60~80℃, weigh 50g xylene, 18g n-butanol, 13.75g hydroxide Add zinc and 8.33g acetic acid successively within 15 minutes, keep warm for 1 hour, then raise the temperature to 100~110°C, when no more water evaporates, cool down to room temperature, and discharge to obtain fluorine-modified zinc acrylate resin.

[0031] The sample prepared in this embodiment is tested and analyzed. The num...

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Abstract

The present invention relates to a fluorine-modified zinc acrylate antifouling coating material and a preparation method thereof, wherein the base components comprise, by mass, 20-60 parts of a fluorine-modified zinc acrylate resin, 10-40 parts of an antifouling agent, 10-35 parts of a pigment filler, 1-10 parts of an auxiliary agent, and 10-35 parts of a solvent. According to the present invention, the prepared marine antifouling coating material has self-polishing property, wherein the coating gradually exposes the new surface layer so as to release the antifouling agent along with the new surface layer exposing; the coating material has low surface energy, such that marine microorganisms are difficult to adhere; and the required antifouling agent consumption is less than the antifouling agent consumption in other technologies, such that the harm on the environment is low.

Description

technical field [0001] The invention relates to a fluorine-modified acrylic zinc antifouling paint with low surface energy and self-polishing property and a preparation method thereof. Background technique [0002] Marine underwater facilities and ships navigating in the ocean inevitably face the problem of marine fouling organisms (animals, plants and microorganisms), which not only greatly accelerates the corrosion of facilities and ships, thereby shortening their service life, but also for It will significantly increase energy consumption for ships sailing. The data shows that when the marine biofouling rate is 5%, the resistance of the ship is equivalent to twice that of the clean surface, and the fuel consumption increases by 10%. [0003] Since ancient times, humans have taken various means to prevent the adhesion of marine organisms. After continuous attempts, coating marine antifouling coatings containing antifouling agents has become the most effective, economical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D5/16C09D7/12C08F220/14C08F220/18C08F220/06C08F220/22
Inventor 俞成丙胡季华石小龙伍芳芳杨丹
Owner SHANGHAI UNIV
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