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Basalt protective coating and preparation method thereof

A protective coating and basalt technology, applied in the field of basalt protective coating and its preparation, can solve the problems of poor acid and alkali resistance and weather resistance, short metal substrate protection time, high silica content, etc., and achieve high anti-corrosion performance and excellent resistance to media Penetration performance, fine texture effect

Active Publication Date: 2021-06-18
天津中航百慕新材料技术有限公司
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  • Abstract
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Problems solved by technology

[0003] The zinc powder and aluminum powder commonly used in the coating system can protect the metal substrate by sacrificial anode. It has the advantages of elasticity, flexibility and plasticity, but the wear resistance is not high.
Other types of powders, such as glass powders, have a high content of alkali oxide silica, poor acid and alkali resistance and weather resistance, and the coatings prepared from them have a short protection time for metal substrates

Method used

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  • Basalt protective coating and preparation method thereof
  • Basalt protective coating and preparation method thereof
  • Basalt protective coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0056] The preparation method of the basalt protective coating comprises the following steps: uniformly mixing the A component and the B component to obtain the basalt protective coating, wherein, in parts by mass, the ratio of the A component to the B component is shown in Table 1.

[0057] Table 1

[0058]

[0059] The preparation method of component A is: basalt is introduced from basalt powder, and hydroxyacrylic resin, defoamer, defoamer, anti-aging agent, wetting and dispersing agent, adhesion promoter, thixotropic agent are mixed according to the ratio in Table 2 Disperse the solvent with a high-speed disperser for 10 minutes (rotating speed 1000r / min), then add basalt powder, titanium dioxide and matting powder, and use a high-speed dispersing machine to uniformly disperse for 20 minutes (rotating speed 3000r / min) to obtain component A. Among them, defoaming The antifoaming agent is a modified silicone resin defoaming agent, the defoaming agent is an organically modif...

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Abstract

The invention discloses a basalt protective coating and a preparation method thereof. The basalt protective coating is composed of A component and B component. agent, adhesion promoter, thixotropic agent, basalt, titanium dioxide, solvent and matting powder; component B consists of 55-80 parts by mass of HDI trimer isocyanate curing agent and 20-45 parts by mass of IPDI Composition of isophorone diisocyanate curing agent. The basalt protective coating of the present invention improves the flexibility of the coating under the premise of ensuring the high weather resistance of the traditional weather-resistant polyurethane coating itself. It can be known from the thickness of each dry film and the content of non-volatile matter that the solid content is high and can be used Enables coatings to be applied in thick films.

Description

technical field [0001] The invention belongs to the technical field of heavy-duty anti-corrosion coatings, and in particular relates to a basalt protective coating and a preparation method thereof. Background technique [0002] Steel structures such as petrochemical, construction, transportation, marine engineering, port engineering, bridges, etc. have been exposed to industrial atmosphere and marine atmospheric environment for a long time, and need to be equipped with heavy corrosion coating system for long-term protection. Especially in areas with large wind and sand, the steel structure needs to be equipped with a high wear-resistant heavy-corrosion coating system. [0003] At present, the commonly used zinc powder and aluminum powder in the coating system can play a protective role by sacrificing the anode to the metal substrate, which has the advantages of elasticity, flexibility and plasticity, but the wear resistance is not high. Other types of powders, such as glass...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D5/08C09D7/61C09D7/63C09D7/65
CPCC08L2205/025C08L2205/035C09D5/08C09D175/04C09D7/61C09D7/63C09D7/65C08L67/00C08L83/04C08K13/04C08K3/36C08K7/26C08K5/3475
Inventor 付翠茜季学伟王兴隆杨学晓陈静付天竹黄凯于一川谭震峰任亮
Owner 天津中航百慕新材料技术有限公司
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