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Anti-impact and anti-corrosion coating

A corrosion-resistant and impact-resistant technology, applied in the field of impact-resistant and corrosion-resistant coatings, can solve the problems of impact resistance, insufficient wear resistance, affecting appearance, safety and hygiene, etc., to ensure performance consistency, improve thickening, and excellent resistance. grinding effect

Inactive Publication Date: 2014-12-10
株洲四方威凯新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the paint contains tar, there are safety and hygiene problems, and because its color is black similar to the color of the base material steel plate, it is difficult to distinguish the film thickness of the coating film visually. If you want to paint with a uniform film thickness coating, its coating operation and inspection are quite difficult
In addition, the coating film containing tar has problems in maintenance and management such as the presence or absence of corrosion of the steel plate by visual inspection, and the influence of heat during welding of the steel plate, which causes the coating film to burn and deteriorate over time.
And, the coating that contains tar also has the tar component to move (ooze out) gradually in the topcoat layer that is coated on this tar-based coating film, affects the attractive in appearance of the ship or steel structure that is coated, and impact resistance , Insufficient wear resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of impact-resistant corrosion-resistant paint that the present invention proposes, its raw material comprises by weight:

[0017]

[0018]

[0019] Wherein the preparation method of modified epoxy resin comprises: 69 parts of epoxy resins and 32 parts of chloroprene rubbers are mixed homogeneously by weight, then add 52 parts of butyl acetates and mix homogeneously, continue to add 1.8 parts of dibenzoyl peroxide, After 0.26 parts of sulfur and 2.5 parts of zinc oxide, stir at a stirring speed of 415rpm. During the stirring process, raise the temperature to 87°C at a heating rate of 11°C / min, and then raise the temperature to 126°C at a heating rate of 0.5°C / min. , After 5.8 hours of heat preservation, it was cooled to room temperature to obtain a modified epoxy resin.

Embodiment 2

[0021] A kind of impact-resistant corrosion-resistant paint that the present invention proposes, its raw material comprises by weight:

[0022]

[0023]

[0024] Wherein the preparation method of modified epoxy resin comprises: 72 parts of epoxy resins and 29 parts of chloroprene rubbers are mixed homogeneously by weight, then add 53 parts of butyl acetates and mix homogeneously, continue to add 1.7 parts of dibenzoyl peroxide, After 0.3 parts of sulfur and 2 parts of zinc oxide, stir at a stirring speed of 420rpm. During the stirring process, raise the temperature to 89°C at a heating rate of 10°C / min, and then raise the temperature to 128°C at a heating rate of 0.3°C / min. , after 5 hours of heat preservation, cooled to room temperature to obtain modified epoxy resin.

Embodiment 3

[0026] A kind of impact-resistant corrosion-resistant paint that the present invention proposes, its raw material comprises by weight:

[0027]

[0028]

[0029] Wherein the preparation method of modified epoxy resin comprises: 68 parts of epoxy resins and 33 parts of chloroprene rubbers are mixed homogeneously by weight, then add 50 parts of butyl acetates and mix homogeneously, continue to add 2 parts of dibenzoyl peroxide, After 0.2 parts of sulfur and 3 parts of zinc oxide, stir at a stirring speed of 400rpm. During the stirring process, raise the temperature to 86°C at a heating rate of 12°C / min, and then raise the temperature to 125°C at a heating rate of 0.6°C / min. , After 6 hours of heat preservation, it was cooled to room temperature to obtain a modified epoxy resin.

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Abstract

The invention discloses an anti-impact and anti-corrosion coating which comprises the raw materials in parts by weight: 20-23 parts of chlorosulfonated polyethylene, 60-63 parts of acrylic resin, 23-26 parts of modified epoxy resin, 3-4 parts of methyl hydroxyethyl cellulose, 25-28 parts of methyl ethyl ketone, 30-33 parts of ethyl acetate, 2-3 parts of kieselguhr, 2-3 parts of zinc oxide, 1-2 parts of calcium sulfate, 4-6 parts of calcined kaolin, 7-9 parts of organic bentonite, 1.3-1.6 parts of silane coupling agent KH760, 1.5-1.8 parts of phenyl petroleum sulfonate, 5-6 parts of citrate ester, 0.3-0.8 part of a defoaming agent, 0.05-0.3 part of a mildew preventive, 2.2-2.5 parts of a solidifying agent and 0.1-0.5 part of a dispersing agent. The anti-impact and anti-corrosion coating is excellent in impact resistance and corrosion resistance, is high in abrasion resistance and oil resistance, and is high in stability.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an impact-resistant and corrosion-resistant coating. Background technique [0002] Conventionally, tar epoxy coatings with excellent corrosion resistance have been used for coating the interior of ships such as ballast tanks. Because the paint contains tar, there are safety and hygiene problems, and because its color is black similar to the color of the base material steel plate, it is difficult to distinguish the film thickness of the coating film visually. If you want to paint with a uniform film thickness If it is painted, its painting operation and inspection are quite difficult. In addition, tar-containing coatings have problems in maintenance management such as the presence or absence of corrosion of the steel plate by visual inspection, and the influence of heat during welding of the steel plate, which causes coating film burns and deterioration over time. And, the coat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D123/34C09D163/00C09D111/00C09D5/08C09D7/12
Inventor 胡昌悌
Owner 株洲四方威凯新材料有限公司
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