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Water-based high-salt-spray-resistance heavy-duty epoxy coating and preparation process thereof

An epoxy coating and water-based epoxy resin technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of inability to meet the requirements of heavy-duty anti-corrosion coatings, high oily VOC content, poor salt spray resistance to acid and alkali, etc. , to achieve the effect of improving curing effect and salt spray resistance, high corrosion resistance and adhesion, and improving environmental protection

Pending Publication Date: 2022-07-01
FOSHAN CITY SHUNDE DISTRICT GUDELI COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing anti-rust water-based coatings either have high oily VOC content and pollute the environment, or water-based epoxy coatings have poor resistance to salt spray, acid and alkali, and cannot meet the requirements of heavy-duty anti-corrosion coatings.

Method used

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  • Water-based high-salt-spray-resistance heavy-duty epoxy coating and preparation process thereof
  • Water-based high-salt-spray-resistance heavy-duty epoxy coating and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A water-based high-salt spray-resistant heavy-duty anti-corrosion epoxy coating, in parts by mass, comprising the following raw materials: 40 parts of water-based epoxy resin, 5 parts of deionized water, 1 part of film-forming aid, 1 part of dispersant, and 3 parts of filler , 2 parts of talc, 15 parts of titanium dioxide, 1.5 parts of anti-rust powder, 2 parts of rust inhibitor, 1 part of leveling agent, 2 parts of anti-settling agent, 1 part of defoamer.

[0027] Wherein, the water-based high-salt spray-resistant heavy-duty anti-corrosion epoxy coating is prepared by the following preparation method:

[0028] S1: Weigh 40 parts of water-based epoxy resin, add 5 parts of deionized water to dilute, stir evenly, then add 1 part of film-forming aid and 1 part of dispersant, stir evenly, and use a high-speed mixer to mix and stir after the blanking is completed 10 minutes;

[0029] S2: After stirring, add 3 parts of filler, 15 parts of titanium dioxide, and then add 1.5 p...

Embodiment 2

[0041] A water-based high salt spray-resistant heavy-duty anti-corrosion epoxy coating, in parts by mass, comprising the following raw materials: 45 parts of water-based epoxy resin, 6.5 parts of deionized water, 2.5 parts of film-forming aids, 1 part of dispersant, and 3 parts of fillers , 2 parts of talc, 18 parts of titanium dioxide, 1.5 parts of anti-rust powder, 2 parts of rust inhibitor, 1 part of leveling agent, 2 parts of anti-settling agent, 1 part of defoamer.

[0042] Wherein, the water-based high-salt spray-resistant heavy-duty anti-corrosion epoxy coating is prepared by the following preparation method:

[0043] S1: Weigh 45 parts of water-based epoxy resin, add 2.5 parts of deionized water to dilute, stir evenly, then add 2.5 parts of film-forming aids and 1 part of dispersant, stir evenly, and use a high-speed mixer to mix and stir after the blanking is completed. 10 minutes;

[0044] S2: After stirring, add 3 parts of filler, 18 parts of titanium dioxide, and ...

Embodiment 3

[0056] A water-based high salt spray-resistant heavy-duty anti-corrosion epoxy coating, in parts by mass, comprising the following raw materials: 50 parts of water-based epoxy resin, 8.5 parts of deionized water, 5 parts of film-forming aids, 1 part of dispersant, and 3 parts of fillers , 2 parts of talc, 23 parts of titanium dioxide, 1.5 parts of anti-rust powder, 2 parts of anti-rust agent, 1 part of leveling agent, 2 parts of anti-settling agent, 1 part of defoamer.

[0057] Wherein, the water-based high-salt spray-resistant heavy-duty anti-corrosion epoxy coating is prepared by the following preparation method:

[0058] S1: Weigh 50 parts of water-based epoxy resin, add 9 parts of deionized water to dilute, stir evenly, then add 5 parts of film-forming aids and 1 part of dispersant, stir evenly, and use a high-speed mixer to mix and stir after the blanking is completed 10 minutes;

[0059]S2: After stirring, add 3 parts of filler, 23 parts of titanium dioxide, and then ad...

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Abstract

The invention relates to the technical field of coatings, and discloses a water-based high-salt-spray-resistance heavy-duty epoxy coating which comprises the following raw materials in parts by mass: 40-50 parts of water-based epoxy resin, 5-9 parts of deionized water, 1-5 parts of a coalescing agent, 1 part of a dispersing agent, 3 parts of filler, 2 parts of talcum powder, 15-23 parts of titanium dioxide, 1.5 parts of antirust powder, 2 parts of an antirust agent, 1 part of a flatting agent, 2 parts of an anti-settling agent and 1 part of a defoaming agent. In this way, the curing effect and the salt spray resistance of the finishing paint for the water-based paint are effectively improved.

Description

technical field [0001] The invention relates to the technical field, in particular to a water-based epoxy paint with high salt spray resistance and heavy anti-corrosion and a preparation process. Background technique [0002] The main function of the coating is to coat the surface of the object to be protected or decorated. Under certain conditions, it can form a film to protect, decorate, insulate, prevent rust, mildew, and heat. It is a type of liquid or solid material. Existing coatings are mainly divided into two types: water-based coatings and solvent-based coatings. Benzene compounds in solvent-based coatings are a strong carcinogen, and the process of absorbing high concentrations of benzene compounds in a short period of time will cause central nervous system anesthesia. Symptoms include dizziness, headache, nausea, chest tightness, fatigue, confusion in mild cases, and coma in severe cases, resulting in death due to respiratory and circulatory failure. According to...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/61
CPCC09D163/00C09D5/08C09D7/61C08K2003/2241C08K3/34C08K3/22
Inventor 林汉新林炜凯
Owner FOSHAN CITY SHUNDE DISTRICT GUDELI COATING