An alloy co-infiltrating dacromet and sealing layer comprehensive anti-corrosion coating

A technology of anti-corrosion coating and sealing layer, which is applied in the direction of anti-corrosion coating, metal material coating technology, coating, etc., can solve the problems of insufficient surface hardness, chromium pollution, etc., and achieve the effect of high surface hardness and good anti-corrosion performance

Active Publication Date: 2019-02-15
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] Dacromet, also known as Dacromet rust, high-gram rust, zinc-chromium film, etc., refers to coating the metal substrate with a liquid treatment solution containing zinc flakes, aluminum flakes, chromic anhydride, ethylene glycol, etc. After baking, a layer of non-decorative coating film with excellent corrosion resistance is formed on the surface of the metal substrate. The disadvantage is that the surface hardness is insufficient
In addition, since chromium plays a key role in Dacromet coating metal anti-corrosion technology, chromium exists every moment in the processing and application of Dacromet, from raw material storage and transportation to slurry preparation, Dacromet There is a possibility of chromium pollution in the coating and curing, and finally to use

Method used

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Examples

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Comparison scheme
Effect test

specific Embodiment 1

[0022] An alloy co-infiltration, dacromet and sealing layer comprehensive anti-corrosion coating provided in this embodiment includes alloy co-infiltration agent, dacromet coating liquid and sealing liquid:

[0023] The alloy co-infiltration agent includes the following components in parts by mass: 100 parts of zinc powder, 15 parts of aluminum powder, 85 parts of alumina powder, 20 parts of nickel powder, 3 parts of cerium oxide powder, 0.6 part of ammonium chloride, the above raw materials The particle size is 300 mesh; the zinc powder, aluminum powder, alumina powder, nickel powder and cerium oxide powder in the above raw materials are mixed evenly, heated to 150-200°C, kept for 30-50 minutes and then cooled to After mixing with ammonium chloride at room temperature, the alloy co-penetration agent is prepared;

[0024] Dacromet anti-corrosion coating solution, including A component and B component; A component includes the following components in parts by mass: 10 parts of ...

specific Embodiment 2

[0027] A kind of alloy co-infiltration, dacromet and sealing layer comprehensive anti-corrosion coating provided by this embodiment, the main formula composition is the same as that of specific embodiment 1, and the difference with specific embodiment 1 is:

[0028] The alloy co-infiltration agent includes the following components in parts by mass: 100 parts of zinc powder, 10 parts of aluminum powder, 100 parts of alumina powder, 30 parts of nickel powder, 5 parts of cerium oxide powder, and 0.8 part of ammonium chloride;

[0029] Dacromet anti-corrosion coating solution, component A includes the following components in parts by mass: 10 parts of zinc flakes and aluminum flakes, wherein the ratio of zinc flakes and aluminum flakes is 2:1; 55 parts of deionized water, fatty alcohol polyoxygen 2.0 parts of vinyl ether; B component includes the following components in parts by mass: 10 parts of amorphous compound molybdate compound, 15 parts of barium salt, 0.6 part of hydrogen p...

specific Embodiment 3

[0032] A kind of alloy co-infiltration, dacromet and sealing layer comprehensive anti-corrosion coating provided by this embodiment, the main formula composition is the same as that of specific embodiment 1, and the difference with specific embodiment 1 is:

[0033] The alloy co-infiltration agent includes the following components in parts by mass: 100 parts of zinc powder, 20 parts of aluminum powder, 80 parts of alumina powder, 10 parts of nickel powder, 2 parts of cerium oxide powder, and 0.5 part of ammonium chloride;

[0034] Dacromet anti-corrosion coating solution, component A includes the following components in parts by mass: 10 parts of zinc flakes and aluminum flakes, wherein the ratio of zinc flakes and aluminum flakes is 2:3; 60 parts of deionized water, fatty alcohol polyoxygen 0.5 parts of vinyl ether; B component includes the following components in parts by mass: 10 parts of amorphous compound molybdate compound, 5 parts of barium salt, 0.8 part of hydrogen per...

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Abstract

The invention discloses an alloy co-infiltration dacromet and sealing layer comprehensive anti-corrosion coating, including alloy co-infiltration agent, dacromet coating liquid and sealing liquid: alloy co-infiltration agent includes zinc powder, aluminum powder, aluminum oxide powder, Nickel powder, cerium oxide powder, ammonium chloride; Dacromet anti-corrosion coating liquid includes A component and B component, A component includes zinc flake and aluminum flake, deionized water, fatty alcohol polyoxyethylene ether, B The components include amorphous compound molybdate compound, barium salt, hydrogen peroxide, polyethylene glycol; component A and component B are mixed according to the mass ratio of 1: (15-25); the blocking solution includes pre-preparation Pre-preparation components include, room temperature curing agent, ethanol solution with a volume concentration of 50% to 80%, a mixture of glycerol, zinc flakes and aluminum flakes; the curing reaction components are Epoxy resin aqueous emulsion, the pre-preparation component and the curing reaction component are mixed according to the mass ratio of 2: (2-3).

Description

technical field [0001] The invention relates to the technical field of composite anticorrosion on the surface of metal parts, in particular to an alloy co-infiltration, dacromet and sealing layer comprehensive anticorrosion coating. Background technique [0002] Every year, the world's steel corrosion loss accounts for more than 10% of the total steel output, and the economic loss caused by corrosion in industrially developed countries accounts for more than 2% to 4% of the total output value of the national economy; research and develop advanced anti-corrosion technology to reduce economic losses caused by corrosion Prolonging the service life of steel and other metal materials and equipment is of great significance to promoting the development of advanced technology, cutting-edge science and defense industry, as well as the sustainable and coordinated development of the national economy and social environment. [0003] Multi-element alloy co-infiltration is a new type of m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/10C09D163/00C23C10/52
CPCC08K3/08C08K2003/0812C08K2003/0893C09D1/00C09D5/10C09D5/103C09D5/106C09D163/00C23C10/52
Inventor 晋华明
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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