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Silicon carbide coating and preparation method thereof

A technology of silicon carbide coatings and silicon carbide powders, applied in anti-corrosion coatings, epoxy resin coatings, anti-fouling/underwater coatings, etc., to achieve the effect of good wear resistance and self-cleaning

Inactive Publication Date: 2014-12-17
JIANGSU MARINE VICTORY COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coatings that can meet such requirements in the existing coatings still have certain technical defects, which need further research or discussion.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A silicon carbide coating, the composition of the coating contains in parts by mass: 10 parts of silicon carbide powder; 2 parts of solvent; 12 parts of epoxy resin; 3 parts of epoxy acrylate; 10 parts of glycidol; 8 parts of titanium dioxide pigment; 8 parts of phenylalanine lactic acid; 10 parts of tourmaline, 7 parts of additives;

[0041] The auxiliary agent contains the following components in parts by mass: dispersant: 10 parts, curing agent: 20 parts, thickener: 5 parts, wetting agent 0.5 parts, film-forming aid: 5 parts, pH regulator: 1 Parts, silane coupling agent: 5 parts, matting agent: 2 parts.

[0042] The silicon carbide in this embodiment is black silicon carbide, the wetting agent is sodium alkyl sulfate, and the solvent is methanol; the dispersant is sodium polyacrylate; the curing agent is diaminodiphenylmethyl sulfone, and the thickener is sodium bentonite; The film-forming aid is ethylene glycol; the silane coupling agent is 3-aminopropyltriethoxysi...

Embodiment 2

[0050] A silicon carbide coating provided in this embodiment, the composition of the coating contains in parts by mass: 20 parts of silicon carbide powder; 3 parts of solvent; 16 parts of epoxy resin; 4 parts of epoxy acrylate; 11 parts of glycidol; 9 parts of white powder pigment; 9 parts of phenylalanine; 11 parts of tourmaline; 9 parts of additives;

[0051] The auxiliary agent contains the following components in parts by mass: dispersant: 12 parts, curing agent: 27 parts, thickener: 8 parts, wetting agent 0.7 parts, film-forming aid: 8 parts, pH regulator: 4 parts Parts, silane coupling agent: 6 parts, matting agent: 4 parts.

[0052] The silicon carbide is black silicon carbide, the wetting agent is sodium isobutyl naphthalene sulfonate, the solvent is methanol; the dispersant is polyacrylic acid ammonium salt; Diol, silane coupling agent is vinyl silane, matting agent is modified polyester acrylate.

[0053] Prepare as follows:

[0054] (1) Take by mass: 20 parts of ...

Embodiment 3

[0060] This embodiment provides a silicon carbide coating, the composition of the coating contains in parts by mass: 30 parts of silicon carbide powder; 5 parts of solvent; 18 parts of epoxy resin; 5 parts of epoxy acrylate; 12 parts of glycidol; titanium dioxide 10 parts of pigments; 10 parts of phenylalanine; 12 parts of tourmaline; 14 parts of additives;

[0061] The auxiliary agent contains the following components in parts by mass: dispersant: 15 parts, curing agent: 35 parts, thickener: 10 parts, wetting agent 0.8 parts, film-forming auxiliary agent: 10 parts, pH regulator: 5 parts Parts, silane coupling agent: 10 parts, matting agent: 6 parts.

[0062] The silicon carbide in this embodiment is black silicon carbide, the wetting agent is sodium isobutyl naphthalene sulfonate, and the solvent is methanol; the dispersant includes sodium polyacrylate; the curing agent is m-phenylenediamine; the thickener is polyvinyl alcohol ; The film-forming aid is ethylene glycol; the s...

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PUM

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Abstract

The invention discloses a silicon carbide coating which is characterized by being prepared from the following components in parts by weight: 10-30 parts of silicon carbide powder, 2-5 parts of a solvent, 12-18 parts of epoxy resin, 3-5 parts of epoxy acrylate, 10-12 parts of glycidol, 8-10 parts of a titanium dioxide pigment, 8-10 parts of phenyl propyl lactate, 10-12 parts of tourmaline and 7-14 parts of an auxiliary, wherein the auxiliary is prepared from the following components in parts by weight: 10-15 parts of a dispersant, 20-35 parts of a curing agent, 5-10 parts of a thickener, 0.5-0.8 part of a wetting agent, 5-10 parts of a coalescing agent, 1-5 parts of a pH adjustor, 5-10 parts of a silane coupling agent and 2-6 parts of a flatting agent. The silicon carbide coating disclosed by the invention can resist long-term immersion of strong solvents and mixed solvents, oxidation corrosion of concentrated sulfuric acid and concentrated hydrochloric acid, corrosion of high-temperature chlorine and high-temperature seawater corrosion, and can maintain relatively good water and corrosion protection at a high temperature of 1000 DEG C and has wear resistance and self-cleaning property. The invention further provides a preparation method of the silicon carbide coating.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a silicon carbide coating and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] With the development of technology, the requirements for environmental protection have increased, and the research on anti-corrosion coatings has received more and more attention. Anti-corrosion coatings are required to protect the painted objects and equipment, and also require good anti-wear and self-cleaning properties. However, the existing coatings that can meet such requirements still have certain technical defects, which need further research or discussion. Contents of the invention [0003] The invention overcomes the defects in the prior art and provides a silicon carbide coating and a preparation method thereof. The prepared coating can withstand the corrosion of strong acid, the corrosion of high-temperature chlorine gas...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D163/10C09D125/14C09D5/08C09D5/16C09D7/12
Inventor 郑化陈廷生刘小林
Owner JIANGSU MARINE VICTORY COATING
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