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High-hardness scratch-proof and fingerprint-resistant sealant on metal surface

A metal surface and sealing agent technology, which is applied in the direction of anti-corrosion coatings, fire-proof coatings, paints containing biocides, etc., can solve problems that affect the application and development of magnesium alloys, reduce product qualification rate, product corrosion and scrapping, etc., to achieve film and The effect of strong paint bonding, improved pass rate, and improved product hardness

Active Publication Date: 2019-08-23
东莞市瑞欧表面处理科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of film layer is mainly composed of insoluble precipitates composed of calcium phosphate, manganese phosphate and other calcium-manganese compounds of phosphoric acid salts. However, due to the low hardness of this type of film layer, the film will not The layer is easily scratched and damaged by adjacent products to expose the magnesium alloy metal substrate, resulting in product corrosion and scrapping, which greatly reduces the pass rate of the product, causes unnecessary losses, and seriously affects the application and development of magnesium alloys

Method used

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  • High-hardness scratch-proof and fingerprint-resistant sealant on metal surface

Examples

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Effect test

Embodiment 1

[0059] A high-hardness, scratch-resistant and fingerprint-resistant sealant for metal surfaces. The raw materials include water-based resin, water-based silicone oil, fatty alcohol polyether, alkaline reagent, and solvent;

[0060] The preparation method of the sealing agent comprises the following steps: weighing each component, adding a solvent into a container, adding an alkali reagent and stirring to dissolve evenly, then adding water-based resin and water-based silicone oil, stirring and dissolving evenly, and finally adding fatty alcohol polyether, The temperature is raised to 50°C, and the sealing agent is obtained by stirring evenly;

[0061] The weight ratio of the water-based resin and fatty alcohol polyether is 1:0.05; the added mass of the solvent is 94.9% of the total mass of raw materials; the water-based resin is an anionic water-based polyurethane resin with a viscosity of 300mPa.s, purchased from Anhui Anda Huatai New Material Co., Ltd., the model is AH-1605B;...

Embodiment 2

[0063] A high-hardness, scratch-resistant and fingerprint-resistant sealant for metal surfaces. The raw materials include water-based resin, water-based silicone oil, fatty alcohol polyether, alkaline reagent, and solvent;

[0064] The preparation method of the sealing agent comprises the following steps: weighing each component, adding a solvent into a container, adding an alkali reagent and stirring to dissolve evenly, then adding water-based resin and water-based silicone oil, stirring and dissolving evenly, and finally adding fatty alcohol polyether, The temperature is raised to 30°C, and the sealing agent is obtained by stirring evenly;

[0065] The weight ratio of the water-based resin and fatty alcohol polyether is 1:0.01; the added mass of the solvent is 80% of the total mass of raw materials; the water-based resin is an anionic water-based polyurethane resin with a viscosity of 100mPa.s, purchased from Anhui Anda Huatai New Material Co., Ltd., the model is AH-1605B; t...

Embodiment 3

[0067] A high-hardness, scratch-resistant and fingerprint-resistant sealant for metal surfaces. The raw materials include water-based resin, water-based silicone oil, fatty alcohol polyether, alkaline reagent, and solvent;

[0068] The preparation method of the sealing agent comprises the following steps: weighing each component, adding a solvent into a container, adding an alkali reagent and stirring to dissolve evenly, then adding water-based resin and water-based silicone oil, stirring and dissolving evenly, and finally adding fatty alcohol polyether, The temperature is raised to 70°C, and the sealing agent is obtained by stirring evenly;

[0069] The weight ratio of the water-based resin and fatty alcohol polyether is 1:0.1; the added mass of the solvent is 98% of the total mass of raw materials; the water-based resin is an anionic water-based polyurethane resin with a viscosity of 500mPa.s, purchased from Anhui Anda Huatai New Material Co., Ltd., the model is AH-0201D; th...

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Abstract

The invention relates to the field of preparation of sealants and provides a high-hardness scratch-proof and fingerprint-resistant sealant on a metal surface. Raw materials of the sealant at least comprise a water-based resin, water-borne silicone oil, fatty alcohol polyether, an alkali reagent and a solvent. The invention furthermore provides a preparation method and a using method of the sealant.

Description

technical field [0001] The present invention relates to the field of preparation of sealing agents, in particular to a high-hardness, scratch-resistant and fingerprint-resistant sealing agent on metal surfaces and its preparation and use methods. Background technique [0002] Hot-dip metal materials, including hot-dip galvanized metal materials and hot-dip galvanized metal materials, in order to prevent corrosion, a layer of anti-rust sealant will be coated on the surface of the hot-dip metal materials to form a protective film. Magnesium alloy has good light weight, machinability, corrosion resistance, shock absorption, dimensional stability and impact resistance, far superior to other materials. These characteristics make magnesium alloys have applications in a wide range of fields, such as transportation, electronic industry, medical field, military industry, etc., and this trend will only increase. Especially in 3C products (Computer, Consumer Electronic Product, Commun...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D183/04C09D5/16C09D5/08C09D7/65
CPCC09D175/04C09D5/1687C09D5/18C09D5/08C08L2205/03C08L83/04C08L71/00
Inventor 李跃明
Owner 东莞市瑞欧表面处理科技有限公司
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