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Organic silicon modified acrylic resin antifouling paint and preparation method thereof

A technology of acrylic resin and antifouling paint, applied in antifouling/underwater paint, coating, paint containing biocide, etc., can solve the problems of poor adhesion between antifouling paint and substrate, high toxicity, etc. The effect of marine organisms attaching, enhancing alkalinity, and improving adhesion

Inactive Publication Date: 2019-04-09
SHENZHEN GRAPHENE LAND LEGEND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a silicone-modified acrylic resin antifouling coating, which aims to solve the technical problems of traditional antifouling coatings with high toxicity and poor adhesion between the antifouling coating and the substrate

Method used

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  • Organic silicon modified acrylic resin antifouling paint and preparation method thereof
  • Organic silicon modified acrylic resin antifouling paint and preparation method thereof
  • Organic silicon modified acrylic resin antifouling paint and preparation method thereof

Examples

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preparation example Construction

[0057] as attached figure 1 As shown, the preparation method of the silicone-modified acrylic resin antifouling coating described in the embodiments of the present invention may further comprise the steps:

[0058] S10. Obtain the graphene oxide, dispersant, coupling agent and mixed solvent of the formula amount, stir and mix, and obtain the graphene dispersion;

[0059] S20. Obtaining a silicone-modified acrylic resin;

[0060] S30. adding the organosilicon-modified acrylic resin in a formula amount into the graphene dispersion, stirring and mixing to obtain a graphene resin slurry;

[0061] S40. Obtain the thickener, leveling agent, silicate composite antifouling agent and other pigments and fillers of the formula, add them to the graphene resin slurry, stir and mix, and obtain the crude product slurry;

[0062] S50. Grinding the crude product slurry to a fineness of ≤30 μm, and filtering to obtain a silicone-modified acrylic resin antifouling coating.

[0063] The prepar...

Embodiment 1

[0071] A silicone modified acrylic resin antifouling coating.

[0072] S10. Accurately weigh 0.6 parts of graphene oxide, 0.8 parts of dispersant, 0.3 parts of silane coupling agent and mixed solvent (12 parts of xylene and 8 parts of n-butanol), stir and mix, the speed is 500-1000r / min, and the stirring time 15 to 20 minutes to obtain a graphene dispersion;

[0073] S20. Accurately weigh 14 parts of unsaturated double-bond silicone monomer, 70 parts of acrylate monomer, and 15 parts of organic solvent. -After dripping within 2 hours, keep warm for another 2-3 hours to obtain a silicone-modified acrylic resin;

[0074] S30. Accurately weigh 38 parts of S20 organosilicon-modified acrylic resin and add them to the S10 graphene dispersion liquid, stir and mix, the stirring speed is 500-2000r / min, and the stirring time is 10-30min, to obtain graphene resin slurry;

[0075] S40. Accurately weigh 0.7 part of thickener organic bentonite, 0.6 part of leveling agent, 21 parts of sili...

Embodiment 2

[0078] A silicone modified acrylic resin antifouling coating.

[0079] S10. Accurately weigh 0.8 parts of graphene oxide, 1 part of dispersant, 0.2 parts of silane coupling agent and mixed solvent (15 parts of xylene and 8 parts of n-butanol), stir and mix, the speed is 500-1000r / min, and the stirring time 15 to 20 minutes to obtain a graphene dispersion;

[0080] S20. Accurately weigh 14 parts of unsaturated double-bond silicone monomer, 70 parts of acrylate monomer, and 15 parts of organic solvent. -After dripping within 2 hours, keep warm for another 2-3 hours to obtain a silicone-modified acrylic resin;

[0081] S30. Accurately weigh 32 parts of S20 organosilicon-modified acrylic resin and add them to the S10 graphene dispersion liquid, stir and mix, the stirring speed is 500-2000r / min, and the stirring time is 10-30min, to obtain the graphene resin slurry;

[0082] S40. Accurately weigh 1 part of thickener fumed silica, 0.5 part of leveling agent, 26 parts of silicate c...

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Abstract

The invention belongs to the technical field of antifouling paint and in particular relates to organic silicon modified acrylic resin antifouling paint. The organic silicon modified acrylic resin antifouling paint comprises the following raw material components: organic silicon modified acrylic resin, graphene oxide, a silicate compound antifouling agent, a thickening agent, a dispersant, a flatting agent, a coupling agent, a mixed solvent and other pigment and filler, wherein the content of each raw material component is as follows in parts by mass: 25 to 50 parts of the organic silicon modified acrylic resin, 0.5 to 2 parts of the graphene oxide, 15 to 40 parts of the silicate compound antifouling agent, 0.3 to 2 parts of the thickening agent, 0.5 to 2 parts of the dispersant, 0.2 to 2 parts of the flatting agent, 0.1 to 1.5 parts of the coupling agent, 10 to 30 parts of the other pigment and filler and 15 to 35 parts of the mixed solvent. The antifouling paint provided by the invention has excellent staining resistance, weather resistance, adhesive force and the like, and a paint film has good density and mechanical performance. The organic silicon modified acrylic resin antifouling paint can be widely applied to various ocean facility fields including ocean ships, ocean detectors and the like.

Description

technical field [0001] The invention belongs to the technical field of antifouling coatings, and in particular relates to an organic silicon modified acrylic resin antifouling coating and a preparation method thereof. Background technique [0002] One of the first challenges encountered in offshore operations is marine corrosion. Ships, offshore drilling platforms, buoys, mariculture cages, marine detection instruments and other marine facilities are not only corroded by salt in the sea, but also corroded by a large number of marine attached organisms in the sea when they are operating at sea. This type of marine organisms mainly attaches to the hull and the parts below the waterline of marine facilities, reproduces in large numbers, destroys the structure of the anticorrosion layer on the surface of the components of ships and marine facilities, causes accelerated local corrosion of metals, brings great harm to offshore operations, and reduces the And the service life of m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D133/10C09D133/12C09D133/02C09D143/04C09D5/16C09D7/62C09D7/61C08F220/14C08F220/18C08F220/06C08F230/08
CPCC08F220/06C08F220/14C08F220/18C08F220/1804C08F220/1808C08F230/08C08K2003/2224C08K2003/2241C08K2003/2272C09D5/1618C09D5/1668C09D5/1687C09D143/04C08K13/06C08K9/06C08K3/042C08K3/346C08K3/22C08K3/34C08K3/36
Inventor 朱林江孙学栋
Owner SHENZHEN GRAPHENE LAND LEGEND TECH CO LTD
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