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Water-based heavy anti-corrosion coating containing water-based modified chlorinated polyether emulsion and preparation method of coating

A water-based modification and water-containing technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor storage stability and high brittleness of heavy-duty anti-corrosion coatings, and achieve excellent impact resistance, strong adhesion, and long-lasting resistance to salt spray protective effect

Active Publication Date: 2021-04-16
杭州电化新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problems of high brittleness and poor storage stability of existing heavy-duty coatings by providing a water-based heavy-duty coating containing water-based modified chloroether emulsion, and the prepared water-based heavy-duty coating has excellent flexibility and impact resistance. It can be quickly cured at room temperature, has strong adhesion to the substrate, and can maintain long-lasting protection against salt spray

Method used

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  • Water-based heavy anti-corrosion coating containing water-based modified chlorinated polyether emulsion and preparation method of coating
  • Water-based heavy anti-corrosion coating containing water-based modified chlorinated polyether emulsion and preparation method of coating

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preparation example Construction

[0065] The second aspect of the present invention provides a method for preparing a water-based heavy-duty anti-corrosion coating containing a water-based modified chloroether emulsion. The specific preparation steps include:

[0066] S1. Prepare water-based modified chloroether emulsion;

[0067] S2. According to the formula quantity, add the water-based modified chloroether emulsion, wetting agent, defoamer, anti-settling agent, leveling agent, film-forming aid and water in the raw material of component A into the reaction vessel, and stir for 10- 15min, then add ultra-fine barium sulfate, mica powder, zinc phosphate, aluminum zinc orthophosphate, thickener, dispersant, anti-flash rust agent, filler and silicon micropowder, continue stirring for 10-15min, finally add grinding beads and continue stirring for 10 minutes -15min; keep the stirring speed at 2300-2800r / min during the stirring process, and keep the reaction vessel in a water bath at 15-30°C;

[0068] Pass the grou...

Embodiment 1

[0074] This embodiment provides a water-based heavy-duty anti-corrosion coating containing a water-based modified chlorinated ether emulsion, and its raw materials include, by weight percentage:

[0075] Component A: 56% water-based modified chlorine ether emulsion, 5.5% superfine barium sulfate, 4% mica powder, 4% zinc phosphate, 2% aluminum zinc orthophosphate, 0.3% thickener, 0.15% wetting agent, disinfectant 0.4% foaming agent, 0.2% dispersing agent, 0.03% anti-flash rust agent, 0.07% anti-settling agent, 0.07% leveling agent, 3% film-forming aid, 6% filler, 2% microsilica powder; water supplements the balance;

[0076] B component: curing agent 50%, water 50%.

[0077] The weight ratio of A component and B component is 1:1.3.

[0078] The water-based modified chloroether emulsion adopts acrylic compound to modify the chloroether emulsion. The raw materials include: in parts by weight, 20 parts of vinyl chloride, 7 parts of isobutyl vinyl ether, 1 part of acrylic compoun...

Embodiment 2

[0108] A water-based heavy-duty anti-corrosion coating containing a water-based modified chlorinated ether emulsion, the specific implementation is the same as in Example 1. The difference is that, by weight percentage, its raw materials include:

[0109] Component A: 52% water-based modified chlorine ether emulsion, 4% superfine barium sulfate, 3% mica powder, 2% zinc phosphate, 1% aluminum zinc orthophosphate, 0.1% thickener, 0.1% wetting agent, disinfectant 0.3% foaming agent, 0.1% dispersing agent, 0.01% anti-flash rust agent, 0.05% anti-settling agent, 0.1% leveling agent, 2% film-forming aid, 5% filler, 1% silica powder; water supplements the balance;

[0110] B component: curing agent 50%, water 50%;

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Abstract

The invention relates to the field of heavy anti-corrosion coatings, in particular to a water-based heavy anti-corrosion coating containing water-based modified chlorinated polyether emulsion and a preparation method of the water-based heavy anti-corrosion coating. In percentage by weight, a component A of coating comprises the following raw materials: 52-59% of water-based modified epichlorohydrin emulsion, 4-8% of superfine barium sulfate, 3-6% of mica powder, 2-6% of zinc phosphate, 1-3% of aluminum zinc orthophosphate, 0.1-0.5% of a thickening agent, 0.1-0.2% of a wetting agent, 0.3-0.5% of a defoaming agent, 0.1-0.4% of a dispersing agent, 0.01-0.05% of a flash rust inhibitor, 0.05-0.1% of an anti-settling agent, 0.05-0.1% of a flatting agent, 1-5% of a coalescing agent, 4-8% of filler 1-3% of silica powder, and with the remainder of water ; a component B comprises 50% of a curing agent and 50% of water; and the weight ratio of the component A to the component B is 1: (1-1.5). The water-based heavy anti-corrosion coating containing the water-based modified chlorinated polyether emulsion is prepared, the prepared water-based heavy anti-corrosion coating is high in flexibility and impact resistance, can be rapidly cured at normal temperature, is high in adhesive force with a base material, can keep a lasting salt spray resistance protection effect, and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of heavy-duty anti-corrosion coatings, in particular to a water-based heavy-duty anti-corrosion coating containing a water-based modified chlorine ether emulsion and a preparation method thereof. Background technique [0002] Anti-corrosion coatings are generally divided into conventional anti-corrosion coatings and heavy-duty anti-corrosion coatings, which are an indispensable coating in paint coatings. Conventional anti-corrosion coatings play an anti-corrosion effect on metals under normal conditions and protect the service life of non-ferrous metals; A type of anti-corrosion coating that achieves a longer protection period than conventional anti-corrosion coatings. The main difference between heavy-duty anti-corrosion coatings and conventional anti-corrosion coatings is that they have higher technical content and greater technical difficulty, involving technological progress and product development in many aspect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/22C09D5/08C09D7/61C09D7/63C09D7/65
Inventor 徐国樑刘森周杰王光军裘旦晶蒋军丰
Owner 杭州电化新材料有限公司
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