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Single-component scale type epoxy zinc-rich anti-corrosive primer and preparation method thereof

An epoxy zinc-rich, anti-rust primer technology, applied in the direction of epoxy resin coatings, chemical instruments and methods, anti-corrosion coatings, etc., can solve the problems of poor flexibility of the paint film, difficult operation, slow drying, etc.

Active Publication Date: 2021-06-08
西北永新涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a one-component scale-type epoxy zinc-rich antirust primer to solve the existing problems of poor paint film flexibility, difficult operation, serious zinc powder precipitation, and poor salt spray resistance in existing anticorrosion coatings. , slow drying, poor adhesion, and serious environmental pollution

Method used

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  • Single-component scale type epoxy zinc-rich anti-corrosive primer and preparation method thereof
  • Single-component scale type epoxy zinc-rich anti-corrosive primer and preparation method thereof
  • Single-component scale type epoxy zinc-rich anti-corrosive primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1, a kind of one-component flake type epoxy zinc-rich antirust primer is composed as follows:

[0030]Prepare raw materials according to the following parts by mass: 20 parts of linseed oil modified epoxy resin, 0.5 part of dispersant AT204, 1 part of bentonite SD-2, 0.5 part of fumed silica R972, 70 parts of flaky zinc powder, 20 parts of glass flakes , 5 parts of nano-nickel-titanium alloy, 3 parts of superfine ferrophosphorus powder, 0.2 part of cobalt isooctanoate as drier, 1 part of adhesion promoter KH560, 5 parts of xylene, 2 parts of butyl acetate;

[0031] Preparation:

[0032] A. At 300 rev / min, in a clean stirred tank, linseed oil modified epoxy resin, dispersant AT204, bentonite SD-2, fumed silica R972, flaky zinc powder, glass flakes, nano-nickel-titanium alloy , Superfine ferrophosphorus powder, stir evenly;

[0033] B. Increase the speed to 1200 rpm, disperse at high speed for 40 minutes, pay attention to the temperature of the slurry during ...

Embodiment 2

[0036] Embodiment 2, the composition of a kind of one-component flake type epoxy zinc-rich antirust primer is as follows: Prepare raw materials according to the following mass parts: 25 parts of linseed oil modified epoxy resin, 0.2 part of dispersant AT204, bentonite SD-2 0.5 parts, fumed silica R9720.8 parts, 65 parts of flaky zinc powder, 25 parts of glass flakes, 6 parts of nano-nickel-titanium alloy, 5 parts of superfine iron phosphorus powder, 0.3 parts of cobalt isooctanoate as drier, adhesion Accelerator KH560 0.8 parts, xylene 4 parts, butyl acetate 1.5 parts;

[0037] Preparation:

[0038] A. Under the rotation speed of 500 rpm, in a clean stirring tank, linseed oil modified epoxy resin, dispersant AT204, bentonite SD-2, fumed silica R972 parts, flaky zinc powder, glass flakes, nano-nickel titanium Alloy, superfine ferrophosphorus powder, stir evenly;

[0039] B. Increase the speed to 1100 rpm, disperse at high speed for 50 minutes, pay attention to the temperature...

Embodiment 3

[0042] Embodiment 3, the composition of a kind of one-component flake type epoxy zinc-rich antirust primer is as follows: Prepare raw materials according to the following mass parts: 30 parts of linseed oil modified epoxy resin, 0.2 part of dispersant AT204, bentonite SD-2 0.5 parts, fumed silica R9720.8 parts, 60 parts of flaky zinc powder, 30 parts of glass flakes, 8 parts of nano-nickel-titanium alloy, 5 parts of superfine iron phosphorus powder, 0.3 parts of cobalt isooctanoate as drier, adhesion Accelerator KH560 0.6 parts, xylene 2 parts, butyl acetate 1 part;

[0043] Preparation:

[0044] A. Under the rotation speed of 500 rpm, in a clean stirring tank, linseed oil modified epoxy resin, dispersant AT204, bentonite SD-2, fumed silica R972 parts, flaky zinc powder, glass flakes, nano-nickel titanium Alloy, superfine ferrophosphorus powder, stir evenly;

[0045] B. Increase the speed to 1100 rpm, disperse at high speed for 50 minutes, pay attention to the temperature of...

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PUM

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Abstract

The invention discloses a single-component scale type epoxy zinc-rich anti-corrosive primer and a preparation method thereof, belongs to the field of industrial anti-corrosive coatings, and solves the problems of poor paint film flexibility, serious zinc powder precipitation and poor salt spray resistance of existing anti-corrosive coatings. The anti-corrosive primer comprises linseed oil modified epoxy resin, a dispersing agent, bentonite, fumed silica, flaky zinc powder, glass flakes, nano nickel-titanium alloy, superfine ferrophosphorus powder, a drier cobalt iso-octoate, an adhesion promoter, xylene and butyl acetate. The preparation method comprises the following steps: sequentially adding the linseed oil modified epoxy resin, the dispersing agent, the bentonite, the fumed silica, the flaky zinc powder, the glass flake, the nano nickel-titanium alloy and the superfine ferrophosphorus powder, and performing uniform stirring; increasing the rotating speed for high-speed dispersion; adding the drier cobalt iso-octoate, the adhesion promoter, the xylene and the butyl acetate while stirring; and performing filtering and packaging. The anti-corrosive primer is excellent in performance and convenient to prepare.

Description

technical field [0001] The invention belongs to the field of industrial anticorrosion coatings, and in particular relates to a single-component scale-type epoxy zinc-rich antirust primer and a preparation method thereof. Background technique [0002] The anticorrosion of coatings often requires primer, intermediate paint, topcoat or a paint system that cooperates with each other between primer and topcoat. The role of primer in the entire paint system is particularly important. The commonly used primers are: : Two-component epoxy zinc-rich primer, one-component epoxy antirust primer and hot-dip galvanized coating. The most widely used is epoxy zinc-rich primer. It not only has excellent anti-corrosion performance, but also has excellent adhesion, heat resistance and does not affect welding. It is a steel structure bridge, ship, dock, factory building, pipeline, etc. The main supporting primer in heavy anti-corrosion coatings such as steel towers and iron towers. Commonly u...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D5/10C09D7/61C09D7/63C09D7/45C09D7/80C09F9/00
CPCC09D163/10C09D5/106C09D5/08C09D7/61C09D7/63C09D7/45C09D7/80C09F9/00C08K2003/0893C08K7/00C08K3/08C08K5/098C08K3/346C08K5/05C08K13/04
Inventor 王雷李华明雍涛苏岳雄王瑞靳生红成文彦王博
Owner 西北永新涂料有限公司
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