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Corrosion-resistant water-borne coating and preparation method thereof

A water-based coating, corrosion-resistant technology, applied in the field of coatings, to achieve the effect of low surface tension, good anti-corrosion and anti-rust performance, and long anti-corrosion time

Inactive Publication Date: 2015-12-23
ENG EQUIP CO LTD SUZHOU SAI SIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to propose a corrosion-resistant water-based coating and a preparation method thereof for the above shortcomings of the prior art. The coating not only has strong corrosion resistance, but also has good adhesion and is not easy to fall off. Small coefficient, friction resistance, long service life, long-term use of the coating will not cause problems such as foaming, cracking, whitening or even delamination, and can be used in harsh environments, with a wide range of applications

Method used

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  • Corrosion-resistant water-borne coating and preparation method thereof

Examples

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Embodiment 1

[0034] A kind of corrosion-resistant water-based paint and its preparation method provided in this embodiment, the components of the corrosion-resistant water-based paint are calculated in parts by weight: acrylic resin: 40 parts, bisphenol A epoxy resin: 20 parts, methyl silanol Potassium: 5 parts, magnesium stearate: 7 parts, epoxy modified silicone resin: 10 parts, silicon carbide: 8 parts, titanium dioxide: 12 parts, deionized water: 20 parts, water: 35 parts, alkyd Resin: 5 parts, talcum powder: 15 parts, propylene glycol methyl ether: 3 parts; wherein: titanium dioxide is purified titanium dioxide, and the purification method of titanium dioxide is as follows:

[0035] First dehydrate the organic solvent with 13X molecular sieve for 10 days for later use;

[0036] Add titanium dioxide, organic solvent, catalyst and capture agent into a 350mm three-neck flask, stir at room temperature for 30min, then let stand for 3h, then use a suction filtration device consisting of...

Embodiment 2

[0043] A kind of corrosion-resistant water-based paint and its preparation method provided by the present embodiment, the components of the corrosion-resistant water-based paint are calculated in parts by weight: acrylic resin: 45 parts, bisphenol A epoxy resin: 23 parts, methyl silanol Potassium: 8 parts, magnesium stearate: 9 parts, epoxy modified silicone resin: 15 parts, silicon carbide: 12 parts, titanium dioxide: 15 parts, deionized water: 30 parts, water: 40 parts, alkyd Resin: 8 parts, talcum powder: 18 parts, propylene glycol methyl ether: 4 parts; wherein: titanium dioxide is purified titanium dioxide, and the purification method of titanium dioxide is as follows:

[0044] Dehydrate the organic solvent with 13X molecular sieve for 12 days for later use;

[0045] Add titanium dioxide, organic solvent, catalyst and capture agent to a 350mm three-neck flask, stir at room temperature for 50min, then let stand for 4h, then use a suction filtration device consisting of...

Embodiment 3

[0052] A kind of corrosion-resistant water-based paint and its preparation method provided by the present embodiment, the components of the corrosion-resistant water-based paint are calculated in parts by weight: acrylic resin: 42 parts, bisphenol A epoxy resin: 22 parts, methyl silanol Potassium: 7 parts, magnesium stearate: 8 parts, epoxy modified silicone resin: 12 parts, silicon carbide: 10 parts, titanium dioxide: 13 parts, deionized water: 25 parts, water: 38 parts, alkyd Resin: 7 parts, talcum powder: 16 parts, propylene glycol methyl ether: 4 parts; wherein: titanium dioxide is purified titanium dioxide, and the purification method of titanium dioxide is as follows:

[0053] Dehydrate the organic solvent with 13X molecular sieve for 11 days for later use;

[0054] Add titanium dioxide, organic solvent, catalyst and capture agent to a 350mm three-neck flask, stir at room temperature for 40min, then let stand for 3.5h, then use circulating water test vacuum pump, Buc...

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Abstract

The invention discloses a corrosion-resistant water-borne coating. The components of the corrosion-resistant water-borne coating include in parts by weight: 40 to 45 parts of acrylic resin, 20 to 23 parts of bisphenol-A epoxy resin, 5 to 8 parts of potassium methylsilanol, 7 to 9 parts of magnesium stearate, 10 to 15 parts of epoxy-modified organic silicone resin, 8 to 12 parts of silicon carbide, 12 to 15 parts of titanium dioxide, 20 to 30 parts of deionized water, 35 to 40 parts of water, 5 to 8 parts of alkyd resin, 15 to 18 parts of talcum powder and 3 to 4 parts of propylene glycol monomethyl ether. Not only is the corrosion resistance of the coating good, but also the adhesion is good, so the coating cannot easily shed; the surface friction coefficient of the coating is small, so the coating can resist abrasion; moreover, colors are diversified; the service life is long, and problems, such as blistering, cracking, whitening and even leafing, cannot take place after the coating is used for a long time; moreover, the coating can be used under harsh environments, so the range of application is wide.

Description

technical field [0001] The invention relates to a coating, in particular to a corrosion-resistant water-based coating and a preparation method thereof. Background technique [0002] Corrosion is one of the main factors that cause damage to metal fixtures, especially to various vehicles such as automobiles and motorcycles, as well as other mechanical parts. And as the environment changes, the service life of metals is getting shorter and shorter. The annual direct economic losses caused by metal corrosion account for about 2%-4% of the total output value of the national economy. Corresponding to open-air metal equipment, the corrosion is more serious. There is an urgent need for a coating with strong corrosion resistance to reduce losses. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose a corrosion-resistant water-based coating and a preparation method thereof for the above shortcomings of the prior art. The coati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D163/00C09D183/04C09D167/08C09D5/08C09D7/12
Inventor 陈平顾建强钱燕华
Owner ENG EQUIP CO LTD SUZHOU SAI SIDE
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