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Zinc-nickel alloy coating and zinc coating nano modified sealant, and preparation and application methods thereof

A zinc-nickel alloy, nano-modified technology, applied in coatings, anti-corrosion coatings, polyurea/polyurethane coatings, etc., can solve the problems of low lubricity and wear resistance of the sealing layer, increase the hardness and self-lubrication of the film layer, etc. , to increase the hardness and self-lubrication, solve the low lubricating performance and wear resistance, and eliminate unstable factors.

Active Publication Date: 2016-06-15
GUANGZHOU ULTRA UNION CHEM LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The invention proposes a zinc-nickel alloy coating and a nano-modified sealing agent for the zinc-coated layer. By adding nano-polytetrafluoroethylene and nano-silicon dioxide materials to the sealing agent, the nanoparticles are uniformly filled in the sealing film during the formation of the sealing film. The surface and interior of the three-dimensional network film layer can effectively increase the hardness and self-lubricating property of the film layer, and solve the problem of low lubricity and wear resistance of the current zinc-nickel alloy and zinc coating sealing layer

Method used

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  • Zinc-nickel alloy coating and zinc coating nano modified sealant, and preparation and application methods thereof
  • Zinc-nickel alloy coating and zinc coating nano modified sealant, and preparation and application methods thereof
  • Zinc-nickel alloy coating and zinc coating nano modified sealant, and preparation and application methods thereof

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Embodiment Construction

[0038] For a better understanding of the present invention, the present invention will be further specifically described through the following examples, but it should not be understood as a limitation of the present invention, and some non-essential improvements and adjustments made by those skilled in the art according to the content of the above invention are also accepted. deemed to fall within the protection scope of the present invention.

[0039] According to the proportioning of each of the following examples, the sealing agent is prepared:

[0040] Table 1 The composition and proportioning of the nano-modified sealing agent of the present invention

[0041]

[0042]

[0043] Unless otherwise specified in the table, the film-forming substances include water-soluble polyurethane and water-soluble silane polymers, in which water-soluble polyurethane accounts for 75% to 85% of the mass fraction of film-forming substances, and water-soluble silane polymers account for...

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Abstract

The invention discloses a zinc-nickel alloy coating and a zinc coating nano modified sealant, and preparation and application methods thereof. The sealant comprises water-soluble polyurethane, a water-soluble silane polymer, a nano polytetrafluoroethylene emulsion, a nano silicon dioxide sol, a wetting agent, an accelerator and deionized water. The wetting agent is one or two of polyether modified alkyl copolymers or sodium 2-ethylhexyl sulfovinate, and the accelerator is one or two of ethanediol and 1,3-propanediol. The nano polytetrafluoroethylene is utilized to enhance the self-lubricating property of the sealing layer, and the nano silicon dioxide is utilized to enhance the hardness of the sealing layer, thereby obviously enhancing the lubricating property and wear resistance of the zinc-nickel alloy and zinc coating.

Description

technical field [0001] The invention relates to the field of electroplating, in particular to the composition, preparation and application technology of a zinc-nickel alloy and a zinc coating sealant. Background technique [0002] Zinc-nickel alloys and zinc coatings have been widely used as anti-corrosion coatings. In order to improve the corrosion resistance of coatings, sealing treatment is often required after coating passivation treatment to meet the technical requirements of high-end products in the manufacturing industry. There are two main types of traditional sealants for zinc-nickel alloy and zinc coating, one is a sealant based on colloids such as polyvinyl alcohol cross-linked sodium silicate as a film-forming substance, and the other is based on paraffin wax emulsion and water-soluble Resin is a blocking agent for film-forming substances. The closed film formed by polyvinyl alcohol cross-linked sodium silicate has high brittleness and low lubricity, and the fil...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D183/04C09D127/18C09D5/08C09D7/12C25D5/48
CPCC08K2201/003C08K2201/011C08L2205/03C08L2205/035C09D5/08C09D7/61C09D7/65C09D7/67C09D175/04C25D5/48C08L83/04C08L27/18C08K13/02C08K3/36
Inventor 郭崇武赖奂汶
Owner GUANGZHOU ULTRA UNION CHEM LTD
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