Rare earth functionalized water-based acrylic resin anti-fouling luminescent coating

A water-based acrylic and luminescent paint technology, applied in luminescent paints, antifouling/underwater paints, coatings, etc., can solve the problem that the coating is easily polluted by pollutants, and achieve good anti-fouling ability, not easy to powder, anti- The effect of strong fouling ability

Inactive Publication Date: 2019-12-13
UNION FOSHAN CHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the problems that the coating is easily polluted by pollutants, the base material used in the present invention is a low surface tension rare earth functionalized water-based acrylic resin, which contains fluorine elements with low surface tension and strong anti-fouling ability; the base material used is low When the surface tension rare earth functionalized waterborne acrylic resin is used as a film-forming material, the coating can have good antifouling ability without adding an antifouling agent, which effectively solves the disadvantages of adding an antifouling agent

Method used

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  • Rare earth functionalized water-based acrylic resin anti-fouling luminescent coating

Examples

Experimental program
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Effect test

Embodiment 1

[0040] A low surface tension rare earth functionalized water-based acrylic resin X, the steps are as follows:

[0041] a) Add 1.5 parts of butyl acrylate, 1.0 parts of isooctyl acrylate, and 2.0 parts of methyl acrylate into the reaction kettle as solvents, raise the temperature to 78-80°C, add 3.8 parts of hydroxyl Schiff base monomer and stir evenly, slowly Add 5.4 parts of isophorone diisocyanate and stir for 1.0 to 1.5 hours, then slowly add 3.2 parts of hydroxyethyl acrylate dropwise, then raise the temperature to 82 to 85°C and stir for 2.5 to 2.5 hours, measure the NCO value, measure the NCO value and design The temperature is lowered to 72-75°C. Add 1.1 parts of absolute ethanol to react, consume the remaining NCO, cool to room temperature, add 0.3 parts of azobisisobutyronitrile, stir evenly, place in metering tank G1, and obtain reaction mixture I;

[0042] b) Weighing according to the proportion of the formula, 2.5 parts of butyl acrylate, 2.0 parts of isooctyl acr...

Embodiment 2

[0047] A low surface tension rare earth functionalized water-based acrylic resin Y, the steps are as follows:

[0048] a) Add 1.2 parts of butyl acrylate, 1.3 parts of stearyl acrylate, and 2.5 parts of isobornyl acrylate into the reaction kettle as solvents, raise the temperature to 78-80°C, add 4.0 parts of hydroxyl Schiff base monomer and stir evenly, Slowly add 5.4 parts of hexamethylene diisocyanate and stir for 1.0-1.5 hours, then slowly add 3.6 parts of hydroxyethyl acrylate dropwise, then raise the temperature to 82-85°C and stir for 2.5-2.5 hours. Cool down to 72-75°C until the design value is reached. Add 2.0 parts of absolute ethanol to react, consume the remaining NCO, cool to room temperature, add 0.3 parts of azobisisobutyronitrile, stir evenly, place in metering tank G1, and obtain reaction mixture I;

[0049] b) Weighing according to the proportion of the formula, 3.0 parts of butyl acrylate, 1.5 parts of stearyl acrylate, 10.0 parts of isobornyl acrylate, 4.0...

Embodiment 3

[0054] A rare-earth functionalized water-based acrylic resin antifouling luminescent paint, which consists of: low surface tension rare-earth functionalized water-based acrylic resin X65.0 parts, mica powder 4.5 parts, titanium dioxide 5.5 parts, thickening and anti-settling 0.3 parts of agent, 0.7 parts of silane coupling agent, 0.5 parts of dispersant, 3.5 parts of film-forming aid, 0.4 parts of defoamer, 0.4 part of wetting agent, 0.4 part of leveling agent, and 18.8 parts of deionized water.

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Abstract

The invention relates to a rare earth functionalized water-based acrylic resin anti-fouling luminescent coating. The coating comprises the following components in parts by weight: 55.0 to 80.0 parts of low-surface-tension rare earth functionalized water-based acrylic resin, 0.0 to 25.0 parts of a filler, 0.2 to 0.5 part of a thickening anti-settling agent, 0.5 to 1.0 part of a silane coupling agent, 0.1 to 0.8 part of a dispersing agent, 2.5 to 6.5 parts of a film-forming auxiliary agent, 0.3 to 0.8 part of a defoaming agent, 0.3 to 0.6 part of a wetting agent, 0.3 to 0.6 part of a levelling agent and 10.0 to 30.0 parts of deionized water, wherein the low-surface-tension rare earth functionalized water-based acrylic resin is mainly prepared from an acrylic acid soft monomer, an acrylic acid hard monomer, hydroxyethyl acrylate, polyisocyanate, a fluoroalkene monomer, a hydroxyl Schiff base monomer, a rare earth solution, absolute ethyl alcohol, acrylic acid and a neutralizer through a reaction. The rare-earth functionalized water-based acrylic resin anti-fouling luminescent coating prepared by the invention does not need additionally-added luminescent powder or an anti-fouling agent, has the characteristics of difficulty in pulverization, low surface tension, strong anti-fouling capability, long luminescent duration and the like, and has wide application prospects.

Description

technical field [0001] The invention relates to the preparation of a water-based paint, in particular to a rare-earth functionalized water-based acrylic resin antifouling luminous paint and a preparation method thereof, belonging to the technical field of water-based paints. Background technique [0002] Paint is a kind of liquid or fixed material that is coated on the surface of an object and forms a thin film under certain conditions to protect, decorate and specific functions. are becoming more and more widely used. [0003] Rare earth elements have rich fluorescence characteristics due to their unique electronic structure, which determines that rare earth materials will exhibit unique properties in terms of electricity and magnetism. However, since the 4f transition of rare earth metal ions is a forbidden transition, it is found through the study of various rare earth organic complexes that the effective energy transfer to rare earth ions through organic ligands can exc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D5/22C09D5/16
CPCC09D5/1662C09D5/22C09D133/16
Inventor 张武康伦国姚东生
Owner UNION FOSHAN CHEM
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