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Chrome-free fingerprint-resistant environment-friendly coating and preparation method thereof

An environmentally friendly coating and anti-fingerprint technology, applied in the field of coatings, can solve problems such as poor corrosion resistance, short storage period, and poor product stability, and achieve the effects of low equipment requirements, improved adhesion, and fast film forming speed

Inactive Publication Date: 2018-06-05
SHENZHEN DA QUAI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defects in the prior art, the present invention provides a chrome-free anti-fingerprint environmentally friendly paint and a preparation method thereof. The preparation method is simple and easy, the raw materials are easy to obtain, the price is low, the requirements for equipment are not high, and it is suitable for large-scale production; The chromium-free anti-fingerprint and environmental protection paint prepared by the preparation method overcomes the problems of poor corrosion resistance, poor product stability, short storage period, and serious environmental pollution of traditional anti-fingerprint paints in the prior art, and has more excellent corrosion resistance, Stability and alkali-resistant blackening performance, safe and environmentally friendly to use

Method used

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  • Chrome-free fingerprint-resistant environment-friendly coating and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0026] A chrome-free anti-fingerprint environmental protection coating, which is composed of the following components by weight: 40 parts of film-forming polycondensate, 5 parts of aminopropanol ascorbyl phosphate modified graphene oxide, 15 parts of epoxy resin, sodium hexametaphosphate 1 part, 1 part of polyacrylate leveling agent, 1 part of tributyl phosphate, 20 parts of water;

[0027] The preparation method of the film-forming condensation polymer comprises the following steps: dissolving 27 g of double-ended epoxy polyether modified silicone oil in 80 g of isopropanol, and adding 2,4-diamino-6-phenyl-1 , 10g of 3,5-triazine, stirred and reacted at 75°C for 10 hours under a nitrogen atmosphere, then precipitated in acetone, and baked in a vacuum oven at 70°C for 10 hours.

[0028] The preparation method of the aminopropanol ascorbyl phosphate modified graphene oxide comprises the following steps: dispersing 50 g of graphene oxide in 130 g of dichloromethane, and adding 1...

Embodiment 2

[0031] A chrome-free anti-fingerprint environmental protection coating, which is composed of the following components in parts by weight: 43 parts of film-forming polycondensate, 6 parts of aminopropanol ascorbyl phosphate modified graphene oxide, 17 parts of epoxy resin, sodium polycarboxylate 2 parts of salt, 2 parts of cellulose acetate leveling agent, 2 parts of defoamer Deqian 3100, 25 parts of water;

[0032] The preparation method of the film-forming polycondensate comprises the steps of: dissolving 27 g of double-ended epoxy polyether modified silicone oil in 95 g of ethylene glycol, and adding 2,4-diamino-6-phenyl-1 , 10g of 3,5-triazine, stirred and reacted at 78°C for 11 hours under a helium atmosphere, then precipitated in acetone, and baked in a vacuum oven at 73°C for 11 hours.

[0033] The preparation method of the aminopropanol ascorbyl phosphate modified graphene oxide comprises the following steps: dispersing 55 g of graphene oxide in 145 g of acetone, and ad...

Embodiment 3

[0036] A chromium-free anti-fingerprint environmental protection coating, which is composed of the following components in parts by weight: 46 parts of film-forming polycondensate, 7 parts of aminopropanol ascorbyl phosphate modified graphene oxide, 17 parts of epoxy resin, sodium hexametaphosphate 3 parts, 2 parts of polyvinyl butyral leveling agent, 3 parts of defoamer BYK088, 30 parts of water;

[0037] The preparation method of the film-forming polycondensate comprises the steps of: dissolving 27 g of double-ended epoxy polyether modified silicone oil in 105 g of n-butanol, and adding 2,4-diamino-6-phenyl-1 , 10g of 3,5-triazine, stirred and reacted at 81°C for 12 hours under a neon atmosphere, then precipitated in acetone, and baked in a vacuum oven at 77°C for 13 hours.

[0038]The preparation method of aminopropanol ascorbyl phosphate modified graphene oxide comprises the following steps: dispersing 60 g of graphene oxide in 160 g of acetonitrile, and adding 22 g of ami...

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Abstract

The invention discloses a chrome-free fingerprint-resistant environment-friendly coating. The coating contains the following components in parts by weight: 40-50 parts of a film-forming condensation polymer, 5-8 parts of aminopropanol ascorbic acid phosphate modified graphene oxide, 15-20 parts of epoxy resin, 1-4 parts of a dispersing agent, 1-4 parts of a flatting agent, 1-4 parts of a defoamingagent and 20-40 parts of water. The invention further discloses a preparation method of the chrome-free fingerprint-resistant environment-friendly coating. The preparation method comprises the stepsof adding the film-forming condensation polymer into water, uniformly stirring, adding other components, stirring at a rotation speed of 800r / min-1300r / min for dispersion for 50-60 minutes, and filtering, so as to obtain a finished product. The chrome-free fingerprint-resistant environment-friendly coating has relatively excellent corrosion resistance, stability and alkali blackening resistance and is safe and environment-friendly in use.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a chromium-free fingerprint-resistant environmental protection coating and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, the demand for stainless steel plates with good corrosion resistance and decorative properties is increasing in the fields of household appliances, kitchen and bathroom, and building materials. However, the stainless steel plate in the prior art has the problems of hand sweat and grease pollution, and the fingerprints on the surface of the smooth stainless steel plate are difficult to remove, which not only affects the appearance, but also introduces the problem of local corrosion during use, which cannot meet the use under special conditions. Require. In order to further expand its application field to meet market demand, people have put forward higher requirements for stainless steel plates, n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/12C09D163/00C09D5/08C09D5/18C09D7/62C09D7/61C09D7/63C09D7/65C08G77/388
CPCC08G77/388C08L2201/02C08L2201/08C08L2205/02C08L2205/03C08L2205/035C09D5/08C09D5/18C09D183/12C08L63/00C08L33/08C08K13/06C08K9/04C08K3/04C08K3/32C08K5/521C08L33/02C08L1/14C08L29/14
Inventor 万章文
Owner SHENZHEN DA QUAI CHEM CO LTD
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