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Nano surface treatment agent and its treatment method covering the surface of metal materials

A technology of surface treatment agent and metal material, which is applied in the direction of metal material coating process, superimposed layer plating, coating, etc., can solve the problems of unable to reduce production cost, complicated steps, environmental pollution, etc., and achieve increased adhesion, Effect of reducing the adhesion of fingerprints and dust and reducing transportation costs

Active Publication Date: 2017-12-26
NANMAT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above method has been used for many years. Although it has a certain effect, the steps are too complicated, and because the acid solution used in the pickling process mostly contains heavy metals such as: chromium ions (hexavalent chromium), vanadium ions, manganese ions, etc., therefore Causes great pollution to the environment and cannot reduce production costs

Method used

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  • Nano surface treatment agent and its treatment method covering the surface of metal materials
  • Nano surface treatment agent and its treatment method covering the surface of metal materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] First, take 10 grams of ethyl silicate concentrate, add 14.4 grams of isopropanol and stir for 10 minutes, then add 4 grams of aluminum triisopropoxide and mix and stir for 10 minutes, then add trimethoxy Mix and stir 10 grams of vinyl silicon (Trimethoxyvinylsilane) for 10 minutes, add 9.7 grams of ethylene glycol monobutylether (BCS) and 0.1 grams of sodium hydroxide, mix and stir for 10 minutes, add 15 grams of water, and mix and stir for 2 hours The solution was further condensed, and 1.6 g of ethyl acetoacetate (EAcAc) was added and stirred for 1 hour to obtain a nanometer solution.

[0071] Take 10 grams of the above nanometer solution, add 7 grams of polyvinyl acetate, 1 gram of defoamer, 1 gram of surfactant, and 81 grams of water, mix and stir for 2 hours to obtain a nanometer surface treatment agent. The nanometer surface treatment agent has been tested experimentally, and its flash fire point is greater than 93°C.

Embodiment 2

[0073] First take 10 grams of ethyl silicate concentrate, add 14.4 grams of isopropanol and stir for 10 minutes, then add 4 grams of triisopropoxy aluminum and mix and stir for 10 minutes, then add 10 grams of trimethoxyvinyl silicon and mix and stir for 10 minutes After adding 9.7 grams of ethylene glycol butyl ether and 0.1 grams of sodium hydroxide and mixing and stirring for 10 minutes, add 15 grams of water, mix and stir for 2 hours to make the solution further undergo condensation reaction, and add 1.6 grams of ethyl acetoacetate, and stir for 1 hour , a nanometer solution is available.

[0074] Take 10 grams of the above nanometer solution, add 17 grams of polyvinyl acetate, 1 gram of defoamer, 1 gram of surfactant, and 71 grams of water, mix and stir for 2 hours to obtain a nanometer surface treatment agent. The nanometer surface treatment agent has been tested experimentally, and the flash point is greater than 70°C.

Embodiment 3

[0076] First take 10 grams of ethyl silicate concentrate, add 14.4 grams of isopropanol and stir for 10 minutes, then add 4 grams of triisopropoxy aluminum and mix and stir for 10 minutes, then add 10 grams of trimethoxyvinyl silicon and mix and stir for 10 minutes After adding 9.7 grams of ethylene glycol butyl ether and 0.1 grams of sodium hydroxide and mixing and stirring for 10 minutes, add 15 grams of water, mix and stir for 2 hours to further condense the solution, and add 1.6 grams of ethyl acetoacetate and stir for 1 hour. A nanometer solution was obtained.

[0077] Take 10 grams of the above nano-solution, add 10 grams of polyvinyl acetate, 1 gram of defoamer, 1 gram of surfactant, and 78 grams of water, mix and stir for 2 hours to obtain a nano-surface treatment agent. The nanometer surface treatment agent has been tested experimentally, and the flash point is greater than 85°C.

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Abstract

The invention provides a nanometer surface treatment agent and a treatment method for covering the surface of metal materials. The method is to firstly remove the oil and impurities on the surface of a material, and then coat the nano surface treatment agent on the surface of the material, so that the nano surface treatment agent is chemically bonded to the surface of the material to form a protective film; wherein the nano surface treatment agent is composed of at least one A kind of alkoxide, water and basic compound are mixed, and the nano solution formed by the condensation reaction of alkoxide and water catalyzed by the basic compound has a high flash point characteristic, and the surface treatment agent further contains resin, Additives and waxes. The invention increases the adhesive force of the protective film on the material surface by chemically bonding the nanometer surface treatment agent on the material surface, and at the same time achieves the effects of anti-corrosion and wear resistance.

Description

technical field [0001] The invention relates to a method for surface treatment of metal materials, especially a method of coating a nanometer surface treatment agent on the surface of a metal material to produce a protective film, and enhancing the bonding strength between the protective film and the surface of the material to achieve anti-corrosion and anti-corrosion. The surface treatment method of grinding effect. Background technique [0002] Since metals are easy to oxidize, general metal products usually go through a surface treatment step to form a protective film on the surface of the metal products to avoid metal oxidation and facilitate subsequent treatment. [0003] The currently used metal surface treatment methods include acid conversion or anodizing by placing the metal in an acid solution to produce a rough and porous metal oxide layer, which can be used in subsequent treatments. Adhesive for sticking or painting. [0004] The currently used acid is used as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/60C23C22/73C23C28/00
Inventor 叶晋玮邱正杰
Owner NANMAT TECH
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