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Metal base material corrosion-resistant coating and preparation method thereof

A technology for anti-corrosion coatings and metal substrates, applied in the direction of anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problem that coatings are difficult to meet the requirements of anti-corrosion and processing of metal substrates, and polyurethane anti-corrosion coatings have poor corrosion resistance and weldability , Operator safety and health hazards and other issues, to achieve the effect of improving hardness and feel, good high and low temperature resistance, and excellent construction

Inactive Publication Date: 2012-03-28
资阳赛特化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Metal anti-corrosion coatings include chlorine-containing anti-corrosion coatings, epoxy zinc-rich primers, polyurethane anti-corrosion coatings, etc., but chlorine-containing anti-corrosion coatings will decompose when the temperature is higher than 130 ° C; although epoxy zinc-rich primers have better heat resistance and weldability, but the epoxy zinc-rich primer has poor water resistance, and a large amount of zinc powder fume is produced during welding, which has a direct and harmful impact on the safety and health of operators; the corrosion resistance and weldability of polyurethane anti-corrosion coatings are relatively low. Poor epoxy zinc rich primer
These coatings rarely meet the corrosion protection and processing requirements of metal substrates

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Component parts by weight of metal substrate anticorrosion coatings:

[0038] 25 parts of epoxy modified silicone resin; 20 parts of modified vinyl resin;

[0039] 2 parts of nano-alumina; 3 parts of ultra-fine titanium polyphosphate;

[0040] 10 parts of pigment; 8.5 parts of filler;

[0041] 2 parts of anti-sedimentation agent; 0.5 parts of dispersant;

[0042] 0.8 parts of zeolite; 1 part of leveling agent;

[0043] 2 parts of polydimethylsiloxane; 1 part of silane coupling agent;

[0044] 24.2 parts of solvent;

[0045] Wherein, the modified vinyl resin includes 14 parts of phenolic epoxy vinyl ester resin and 6 parts of flexible vinyl ester resin; the pigment includes 5 parts of aluminum tripolyphosphate and 5 parts of mica iron oxide; the filler is mica powder; The anti-settling agent includes 1 part of bentonite and 1 part of fumed silica; the dispersant is modified polysiloxane; the leveling agent is an acrylate copolymer; the solvent includes 12.1 parts ...

Embodiment 2

[0052] Component parts by weight of metal substrate anticorrosion coatings:

[0053] 30 parts of epoxy modified silicone resin; 15 parts of modified vinyl resin;

[0054] 2 parts of nano-magnesium oxide; 3 parts of ultra-fine titanium polyphosphate;

[0055] 10 parts of pigment; 8 parts of filler;

[0056] 2 parts of anti-sedimentation agent; 0.5 parts of dispersant;

[0057] 0.6 parts of zeolite; 1 part of leveling agent;

[0058] 2 parts of polyether-siloxane; 1 part of titanate coupling agent;

[0059] 24.9 parts of solvent;

[0060] Wherein, the modified vinyl resin includes 7.5 parts of novolac epoxy vinyl ester resin and 7.5 parts of flexible vinyl ester resin; the pigment includes 3 parts of zinc phosphate, 2 parts of molybdate, and 5 parts of iron oxide red; The filler is 4 parts of precipitated barium sulfate and 4 parts of talc; the anti-settling agent includes 1 part of fumed silica and 1 part of polyamide wax; the dispersant is polymer carboxylic acid; the l...

Embodiment 3

[0067] Component parts by weight of metal substrate anticorrosion coatings:

[0068] 28 parts of epoxy modified silicone resin; 19 parts of modified vinyl resin;

[0069] 1 part of nano-titanium oxide; 3 parts of ultra-fine titanium polyphosphate;

[0070] 11 parts of pigment; 6 parts of filler;

[0071] 2 parts of anti-sedimentation agent; 0.4 parts of dispersant;

[0072] 0.7 parts of zeolite; 1 part of leveling agent;

[0073] 1 part of polydimethylsiloxane; 1 part of silane coupling agent;

[0074] 25.9 parts of solvent;

[0075] Among them, the modified vinyl resin includes 11.4 parts of novolac epoxy vinyl ester resin and 7.6 parts of flexible vinyl ester resin; the pigment includes 5 parts of aluminum tripolyphosphate and 6 parts of iron oxide red; the filler is silica fume powder The anti-settling agent includes 1 part of bentonite and 1 part of polyethylene wax; the dispersant is phosphoric acid ester; the leveling agent is polyester modified polysiloxane; the ...

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Abstract

The invention discloses metal base material corrosion-resistant coating and a preparation method thereof. The metal base material corrosion-resistant coating comprises the following components in parts by weight: 25 to 30 pats of epoxy modified organic silicon resin, 15 to 20 parts of modified vinyl resin, 1 to 2 parts of nano material, 1 to 3 parts of corrosion-resistant particulate filler, 15 to 18.5 percent of pigment and filler, 1 to 2 parts of antisettling agent, 0.3 to 0.5 part of dispersing agent, 0.5 to 0.8 part of stabilizing agent, 3 to 4 parts of aid and 23 to 26 parts of solvent, wherein the modified vinyl resin comprises according to the weight percentage 50 to 70 % of phenolic aldehyde epoxy vinyl ester resin and 30 to 50 % of flexible vinyl ester resin. The metal base material corrosion-resistant coating is prepared by multiple flows of weighing the raw materials in parts by weight, mixing the raw materials according to certain sequence, dispersing, grinding and the like. The metal base material corrosion-resistant coating has high temperature tolerance, wet resistance, corrosion resistance, weldability and constructability and can be applied in the technical fieldsof processing of various different metals.

Description

technical field [0001] The invention belongs to the technical field of metal coatings, and in particular relates to a metal substrate anticorrosion coating and a preparation method thereof. Background technique [0002] Coatings that can delay or prevent corrosion of metal materials are called metal anti-corrosion coatings. The loss caused by metal corrosion is staggering, so the problem of metal corrosion protection has been widely concerned by people. One of the most effective ways to prevent rust and corrosion is to apply anti-rust and anti-corrosion coatings. Metal anti-corrosion coatings include chlorine-containing anti-corrosion coatings, epoxy zinc-rich primers, polyurethane anti-corrosion coatings, etc., but chlorine-containing anti-corrosion coatings will decompose when the temperature is higher than 130 ° C; although epoxy zinc-rich primers have better heat resistance and weldability, but the epoxy zinc-rich primer has poor water resistance, and a large amount of...

Claims

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Application Information

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IPC IPC(8): C09D183/06C09D163/10C09D201/06C09D7/12C09D5/08
Inventor 刘宗伟
Owner 资阳赛特化工有限公司
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