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A kind of metal antirust inorganic paint and preparation method thereof

An inorganic coating and metal anti-rust technology, applied in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc., can solve the problem of insufficient hardness, wear resistance and aging resistance, poor adhesion on metal surfaces, Environmental protection and other issues, to achieve the effect of good wear resistance, good aging resistance, and corrosion resistance

Active Publication Date: 2018-11-23
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the antirust performance of the above-mentioned coatings is good, it uses a large amount of organic solvents, which is not environmentally friendly; and the main film-forming substance of the coatings is polystyrene resin, which has relatively poor adhesion on the metal surface and is easy to fall off. After the polystyrene resin film is formed into an organic resin film, its hardness, wear resistance and aging resistance are not excellent enough

Method used

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  • A kind of metal antirust inorganic paint and preparation method thereof

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Effect test

Embodiment 1

[0023] An antirust inorganic coating for metal, prepared from the following raw materials in parts by weight: 30 parts of modified silica sol, 15 parts of calcium carbonate with a particle size of 1-10 microns, and iron oxide red with a particle size of 1-10 microns 7 parts, 7 parts of pigment, 1 part of phenolic resin with a molecular mass of 100,000-150,000, 1.5 parts of sodium carboxymethyl cellulose, 1.5 parts of emulsified silicone oil, and 37 parts of water.

[0024] The preparation method of above-mentioned metal antirust inorganic paint, comprises the following steps:

[0025] (1) Preparation of modified silica sol: use 1-allyl-3-imidazolium chloride salt ionic liquid as solvent, prepare a cellulose solution with a concentration of 10wt%, heat the cellulose solution to 50°C, and pour to Add dropwise the silver nitrate solution of 20wt% and the zinc nitrate solution of 20wt% to react with the speed of 5mL / min in the cellulose solution, leave standstill 20min after finis...

Embodiment 2

[0029] An antirust inorganic paint for metal, prepared from the following raw materials in parts by weight: 40 parts of modified silica sol, 5 parts of calcium carbonate with a particle size of 1-10 microns, and iron oxide red with a particle size of 1-10 microns 3 parts, 3 parts of pigment, 3 parts of phenolic resin with a molecular mass of 100,000-150,000, 0.5 part of sodium carboxymethyl cellulose, 0.5 part of polyoxypropylene glyceryl ether, and 45 parts of water.

[0030] The preparation method of above-mentioned metal antirust inorganic paint, comprises the following steps:

[0031] (1) Preparation of modified silica sol: use 1-allyl-3-imidazolium chloride salt ionic liquid as solvent, prepare a cellulose solution with a concentration of 20wt%, heat the cellulose solution to 60°C, and pour to Add dropwise the silver nitrate solution of 20wt% and the zinc nitrate solution of 20wt% to react in the cellulose solution with the speed of 15mL / min, leave standstill 40min after ...

Embodiment 3

[0035] An antirust inorganic paint for metal, prepared from the following raw materials in parts by weight: 35 parts of modified silica sol, 10 parts of calcium carbonate with a particle size of 1-10 microns, and iron oxide red with a particle size of 1-10 microns 5 parts, 5 parts of pigment, 2 parts of phenolic resin with a molecular mass of 100,000-150,000, 1 part of sodium carboxymethyl cellulose, 1 part of polydimethylsiloxane, and 41 parts of water.

[0036] The preparation method of above-mentioned metal antirust inorganic paint, comprises the following steps:

[0037] (1) Preparation of modified silica sol: use 1-allyl-3-imidazolium chloride salt ionic liquid as solvent, prepare a cellulose solution with a concentration of 15wt%, heat the cellulose solution to 55°C, and pour to In the cellulose solution, drip the silver nitrate solution of 15wt% and the zinc nitrate solution of 15wt% with the speed of 10mL / min to react, leave standstill 30min after finishing dropping; W...

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Abstract

The invention relates to the field of inorganic coatings, and discloses a metal antirust inorganic coating and a preparation method thereof. The metal antirust inorganic coating is prepared from the following raw materials in parts by weight: 30 to 40 parts of modified silicon dioxide sol, 5 to 15 parts of calcium carbonate, 3 to 7 parts of iron oxide red, 3 to 7 parts of pigment, 1 to 3 parts of phenoxy resin, 0.5 to 1.5 parts of a dispersing agent, 0.5 to 1.5 parts of a defoaming agent and 35 to 45 parts of water. The metal antirust inorganic coating disclosed by the invention is high in adhesiveness and anti-aging resistance on the surface of metal, high in film forming layer hardness and high in wear resistance, has an anti-bacterial function and can resist invasion of microorganisms.

Description

technical field [0001] The invention relates to the field of inorganic coatings, in particular to a metal antirust inorganic coating and a preparation method thereof. Background technique [0002] Metal products are widely used, but the surface of metal products is prone to corrosion and rust in humid environment, which not only affects the appearance, but also greatly reduces its performance. [0003] Therefore, in order to prevent the metal from being oxidized and rusted, usually a layer of antirust paint can be coated on the metal surface. As the Chinese invention patent with publication number CN105368169A discloses a metal antirust paint and a preparation method thereof, the metal antirust paint Including the following raw materials in parts by weight: 5-10 parts of iron red, 10-20 parts of polystyrene resin, 30-40 parts of toluene, 10-20 parts of xylene, 5-10 parts of dibutyl phthalate , 10-20 parts of ethyl acetate, 1-5 parts of lead naphthenate, 8-15 parts of calciu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/08C09D5/14C09D7/61C09D7/65
CPCC09D1/00C09D5/08C09D5/14C09D7/61C09D7/65
Inventor 何辉海
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD