A kind of nano-modified epoxy resin anticorrosion coating and preparation method thereof

A water-based epoxy resin and epoxy resin technology, applied in the direction of epoxy resin coatings, anti-corrosion coatings, conductive coatings, etc., can solve the problems of not easy to disperse, easy to agglomerate, etc., achieve small thermal conductivity, high degree of bonding, and prevent damage sex cracking effect

Active Publication Date: 2021-05-28
无锡新而奇化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount of graphene oxide and tin dioxide nanoparticles added in it is relatively large, and it is not easy to disperse and agglomerate in anti-corrosion coatings.

Method used

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  • A kind of nano-modified epoxy resin anticorrosion coating and preparation method thereof
  • A kind of nano-modified epoxy resin anticorrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: Carbon / SiO 2 Coated K 2 Ti 6 o 13 Preparation of nanocomposites

[0037] The preparation method is as follows:

[0038] (1) Mix ethyl orthosilicate with absolute ethanol, γ-(2,3-epoxypropoxy)propyltrimethoxysilane, and then add K 2 Ti 6 o 13 Whiskers, polyethylene glycol 600, ultrasonically disperse for 30 minutes, after the dispersion is uniform, add deionized water, ultrasonically disperse for 30 minutes, slowly add hydrochloric acid ethanol solution with a concentration of 0.2mol / L, heat up to 45°C, and react for 35 minutes, A silica sol mixed system was prepared.

[0039] Among them, the molar ratio of ethyl orthosilicate, absolute ethanol, γ-(2,3-glycidoxy)propyltrimethoxysilane, and deionized water is 1:5:0.2:4; ethyl orthosilicate The molar ratio of the ester to the added hydrochloric acid ethanol solution of HCl is 1:0.06; tetraethyl orthosilicate, K 2 Ti 6 o 13 The mass ratio of whiskers and polyethylene glycol 600 is 5:5:1; K 2 Ti 6 o ...

Embodiment 2

[0041] Example 2: Carbon / SiO 2 Coated K 2 Ti 6 o 13 Preparation of nanocomposites

[0042] The preparation method is as follows:

[0043] (1) Mix ethyl orthosilicate with absolute ethanol, γ-(2,3-epoxypropoxy)propyltrimethoxysilane, and then add K 2 Ti 6 o 13 Whiskers, polyethylene glycol 600, ultrasonically disperse for 30 minutes, after the dispersion is uniform, add deionized water, ultrasonically disperse for 20 minutes, slowly add the hydrochloric acid ethanol solution with a concentration of 0.2mol / L, heat up to 45°C, and react for 40 minutes, A silica sol mixed system was prepared.

[0044] Among them, the molar ratio of ethyl orthosilicate, absolute ethanol, γ-(2,3-glycidoxy)propyltrimethoxysilane, and deionized water is 1:7:0.3:3; ethyl orthosilicate The molar ratio of the ester to the added hydrochloric acid ethanol solution of HCl is 1:0.08; tetraethyl orthosilicate, K 2 Ti 6 o 13 The mass ratio of whiskers and polyethylene glycol 600 is 5:5:1; K 2 Ti 6...

Embodiment 3

[0046] Example 3: Carbon / SiO 2 Coated K 2 Ti 6 o 13 Preparation of nanocomposites

[0047] The preparation method is as follows:

[0048] (1) Mix ethyl orthosilicate with absolute ethanol, γ-(2,3-epoxypropoxy)propyltrimethoxysilane, and then add K 2 Ti 6 o 13 Whiskers, polyethylene glycol 600, ultrasonically disperse for 20 minutes, after the dispersion is uniform, add deionized water, ultrasonically disperse for 25 minutes, slowly add the hydrochloric acid ethanol solution with a concentration of 0.2mol / L, heat up to 50°C, and react for 30 minutes, A silica sol mixed system was prepared.

[0049] Among them, the molar ratio of ethyl orthosilicate, absolute ethanol, γ-(2,3-glycidoxy)propyltrimethoxysilane, and deionized water is 1:6:0.1:3; ethyl orthosilicate The molar ratio of the ester to the added hydrochloric acid ethanol solution of HCl is 1:0.08; tetraethyl orthosilicate, K 2 Ti 6 o 13 The mass ratio of whiskers and polyethylene glycol 600 is 5:5:1; K 2 Ti 6...

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Abstract

The invention discloses a nano-modified epoxy resin anticorrosion coating and a preparation method thereof, and relates to the technical field of coatings. The epoxy resin anticorrosion coating includes component A and component B; the composition of component A is water-based epoxy resin; Carbon / SiO 2 Coated K 2 Ti 6 o 13 Nanocomposite materials; diatomaceous earth / nano-SnO 2 Composite material; talcum powder; silane coupling agent; leveling agent; defoamer; propanol; n-butanol. The nano-modified epoxy resin anticorrosion paint prepared by the invention has good anticorrosion performance of the coating film, strong adhesion of the coating film, good toughness, strong impact resistance and excellent weather resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a nano-modified epoxy resin anticorrosion coating and a preparation method thereof. Background technique [0002] Wear and corrosion are the main forms of material failure in the engineering field. The problem of anti-corrosion and anti-wear of materials has attracted great attention from all over the world. In order to reduce the loss of corrosion, people have taken many protective measures, but so far the most common, economical and practical protective measures are coating protection. Among various anti-corrosion technologies, coating anti-corrosion technology is the most widely used. Coating anticorrosion is widely used because of its simple construction, economical and applicable, independent of equipment area, tow shape and certain decorative effect. The paint is evenly coated in liquid state or liquefied solid powder state and can firmly adhere to the surface of the coat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/08C09D5/24C09D7/63
CPCC08K2003/2231C08K2003/2241C08K2201/001C09D5/08C09D5/24C09D163/00C09D7/63C08K13/08C08K9/10C08K7/08C08K3/22C08K9/04C08K7/26C08K3/34C08K5/5435C08K5/544
Inventor 江新水吴奇旭钱晓青江金海
Owner 无锡新而奇化工科技有限公司
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