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Easy-to-clean coating for metal surface and preparation method of easy-to-clean coating

A metal surface, easy-to-clean technology, used in anti-corrosion coatings, anti-fouling/underwater coatings, coatings, etc., can solve problems such as environmental pollution and application limitations, and achieve the effects of simple operation, long service life and cost savings

Inactive Publication Date: 2019-10-18
东莞市罗孚化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these processes seriously pollute the environment, and their applications have been gradually restricted. Coating environmentally friendly anti-corrosion coatings on metal surfaces has become a research hotspot.

Method used

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  • Easy-to-clean coating for metal surface and preparation method of easy-to-clean coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of easy-to-clean paint for metal surfaces provided by the invention is composed of the following components by weight: modified epoxy resin emulsion 100g, lithium silicate 13g, KH-560 silane coupling agent 0.9g, DOW U.S. Dow DER 324 reactive diluent 15g, alcohol ester twelve 1g, modified nano CaCO 3 1g, German BYK-325 3g, German BASF water-based defoamer FoamStarST2292 1.2g, Dow Chemical NP-10 water-based paint wetting agent 0.5g, German BYK BYK-AQUACER-15471g.

[0028] Described modified epoxy resin emulsion is made through the following steps:

[0029] 1) Weigh 10g of epoxy resin, add a mixed solvent, stir and heat up to 110°C, add 0.3g of phosphoric acid, control the addition for 3 minutes, and continue the reaction;

[0030] The mixed solvent is a mixture of furfural and n-butanol in a volume ratio of 1:1

[0031] 2) Slowly add 0.5g of styrene, 0.4g of acrylic acid, 0.3g of butyl acrylate, 0.3g of tert-butyl peroxybenzoate, react at 105°C for 6h, and add t...

Embodiment 2

[0034] A kind of easy-to-clean paint for metal surfaces provided by the invention is composed of the following components by weight: modified epoxy resin emulsion 120g, lithium silicate 10g, KH-560 silane coupling agent 1.2g, DOW U.S. Dow DER 324 reactive diluent 12g, dipropylene glycol methyl ether 2g, modified nano-CaCO 3 2g, German BYK-325 1g, German BASF water-based defoamer FoamStarST2292 2.5g, Dow Chemical NP-10 water-based paint wetting agent 0.5g, German BYK BYK-AQUACER-15471.

[0035] Described modified epoxy resin emulsion is made through the following steps:

[0036] 1) Weigh 10g of epoxy resin, add a mixed solvent, stir and heat up to 120°C, add 0.2g of phosphoric acid, control the addition for 3 minutes, and continue the reaction;

[0037] The mixed solvent is a mixture of furfural and n-butanol in a volume ratio of 1:1

[0038] 2) Slowly add 0.3g of styrene, 0.4g of acrylic acid, 0.3g of butyl acrylate, 0.3g of tert-butyl peroxybenzoate, react at 115°C for 5h,...

Embodiment 3

[0041] A kind of easy-to-clean paint for metal surfaces provided by the invention is composed of the following components by weight: modified epoxy resin emulsion 115g, lithium silicate 12g, KH-560 silane coupling agent 1g, DOW U.S. Dow DER 324 reactive diluent 13g, dipropylene glycol methyl ether 1.5g, modified nano-CaCO 3 1.2g, German BYK-325 2g, German BASF water-based defoamer FoamStarST2292 1.8g, Dow Chemical NP-10 water-based paint wetting agent 0.4g, German BYK-AQUACER-15471.2g.

[0042] Described modified epoxy resin emulsion is made through the following steps:

[0043] 1) Weigh 10g of epoxy resin, add a mixed solvent, stir and heat up to 115°C, add 0.25g of phosphoric acid, control the addition for 3 minutes, and continue the reaction;

[0044] The mixed solvent is a mixture of furfural and n-butanol in a volume ratio of 1:1

[0045] 2) Slowly add 0.4g of styrene, 0.4g of acrylic acid, 0.4g of butyl acrylate, 0.25g of tert-butyl peroxybenzoate, react at 110°C for ...

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Abstract

The invention discloses an easy-to-clean coating for the metal surface and a preparation method of the easy-to-clean coating, and belongs to the technical field of coatings. The easy-to-clean coatingfor the metal surface with the good material surface adaptability, the high coating adhesion, the high hardness and good wear resistance is provided. According to the technical scheme, the easy-to-clean coating is prepared from the following components in parts by weight: 100-120 parts of a modified epoxy resin emulsion, 10-13 parts of lithium silicate, 0.9-1.2 parts of a KH-560 silane coupling agent, 12-15 parts of a diluent, 1-2 parts of a coalescing agent, 1-2 parts of modified nanometer CaCO3, 1-3 parts of a leveling agent, 1.2-2.5 parts of a defoaming agent, 0.2-0.5 part of a wetting agent and 1-2 parts of a wax emulsion.

Description

technical field [0001] The invention discloses a paint, in particular an easy-to-clean paint for metal surfaces. The invention also discloses a preparation method of the paint, which belongs to the technical field of paint. Background technique [0002] The corrosion of metal is a great waste of limited resources and energy on the earth. At present, processes such as ordinary phosphating and chromate passivation are widely used metal surface treatment technologies in industrial production, and their protective effects are remarkable. However, these processes seriously pollute the environment, and their applications have been gradually limited. Coating environmentally friendly anti-corrosion coatings on metal surfaces has become a research hotspot. [0003] Chinese patent CN201210340308.1 is a metal coating and its preparation method and application. Its technical solution is that the metal coating is mainly composed of component A and component B mixed according to the volum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D5/14C09D5/08C09D7/61C09D7/62C08F283/10C08F212/08C08F220/18C08F220/06
CPCC08F283/10C08K2003/265C09D5/08C09D5/14C09D7/61C09D7/62C09D151/08C08K3/34C08K3/26C08F212/08C08F220/06
Inventor 罗伟林
Owner 东莞市罗孚化工有限公司
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