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A kind of color-changing environmental protection coating and preparation method thereof

An environmentally friendly coating and raw material technology, applied in the coating and other directions, can solve the problems of long over-temperature discoloration reaction time, the coating cannot be reused, and the warning error is large, and achieves extensive industrial use, reversible discoloration effect, and good adhesion

Active Publication Date: 2017-05-24
安华新材科技(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, color-changing coatings are widely used in industry, but most of them have certain problems: the reaction time of over-temperature discoloration is too long, and the warning error is large; Can not be reused, resulting in waste of resources, not conducive to environmental protection

Method used

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  • A kind of color-changing environmental protection coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] According to the ratio of components by weight, 40 parts of bismuth vanadate, 10 parts of Haibi, 10 parts of Al2O3, 20 parts of talcum powder, and 8 parts of mica powder are added to 30 parts of epoxy-modified silicone resin, and stearin 2 parts of acid glycerides, disperse for 20 minutes with 2000 rev / min rotating speed; add xylene and organic silicon coupling agent in the obtained mixture, keep rotating speed and disperse for 8 minutes; In the mixture, the rotation speed is 1600 rpm, and disperse for 8 minutes; while stirring and dispersing, add 1 part of modified polyurea N-methylpyrrolidone anti-settling agent and 3 parts of organosiloxane defoamer in sequence , dispersed for 10 minutes, and filtered to obtain the corresponding product A.

[0038] The performance test was carried out on the above-mentioned product A, and the results are shown in Table 1.

Embodiment 2

[0040] According to the ratio of components by weight, 45 parts of bismuth vanadate, 12 parts of Haibi, 12 parts of Al2O3, 24 parts of talcum powder, and 12 parts of mica powder are added to 35 parts of epoxy-modified silicone resin, and stearin 3 parts of acid glycerides, dispersed for 25 minutes at 2200 rev / min; add xylene and organic silicon coupling agent to the obtained mixture, keep the rotating speed for 9 minutes; add polyvinyl alcohol to the obtained mixture according to the components In the mixture, the rotation speed is 1800 rpm, and disperse for 9 minutes; while stirring and dispersing, add 2 parts of modified polyurea N-methylpyrrolidone anti-settling agent and 4 parts of organosiloxane defoamer in sequence , dispersed for 12 minutes, and filtered to obtain the corresponding product B.

[0041] The performance test was carried out on the above-mentioned product B, and the results are shown in Table 1.

Embodiment 3

[0043] According to the ratio of components by weight, 50 parts of bismuth vanadate, 15 parts of Haibi, 15 parts of Al2O3, 30 parts of talc powder, and 15 parts of mica powder were added to 40 parts of epoxy modified silicone resin, and three hard 4 parts of fatty acid glycerides, disperse at 2400 rpm for 30 minutes; add xylene and silicone coupling agent to the obtained mixture, keep the speed of dispersion for 10 minutes; add polyvinyl alcohol to the previous step according to the components to obtain In the mixture, the rotating speed is 2000 rev / min, disperse for 10 minutes; while keeping stirring and dispersing, add 3 parts of modified polyurea N-methylpyrrolidone anti-settling agent and 5 parts of organosiloxane defoamer in sequence parts, dispersed for 15 minutes, and filtered to obtain the corresponding product C.

[0044] The performance test was carried out on the above-mentioned product C, and the results are shown in Table 1.

[0045] Table 1

[0046]

[0047]...

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Abstract

Disclosed is color-variable environment-friendly paint. The color-variable environment-friendly paint is prepared by, by weight, 30-40 parts of organic silicon resin, 40-50 parts of bismuth vanadate, 10-15 parts of hybi, 20-30 parts of poval, 10-20 parts of Sl203, 20-30 parts of talcum powder, 8-15 parts of mica powder, 6-10 parts of organic silicon coupling agent, 20-30 parts of xylene, 2-4 parts of dispersant, 1-3 parts of anti-settling agent and 3-5 parts of defoamer. The color-variable environment-friendly paint is excellent in reaction time within a range of 50-70 DEG C, low in color changing temperature, short in restoring time and reversible in color changing effect. The color-variable environment-friendly paint is smooth in coating, high in hardness, large in adhesive force, excellent in water resistance, less prone to aging, convenient in operation and simple in process, and has relatively-wide industrial application range.

Description

technical field [0001] The invention relates to an environment-friendly coating, in particular to a color-changing environment-friendly coating and a preparation method thereof. Background technique [0002] Coatings can protect, decorate, mark and other purposes on the surface of materials in industry, and are generally composed of film-forming substances, fillers (pigments and fillers), solvents, and additives. According to the performance, there are anti-corrosion paint, insulating paint, conductive paint, heat-resistant paint, color-changing paint, etc. Among them, the color-changing paint is a special paint that uses color changes to reflect the surface temperature and temperature distribution of the object. Under certain conditions, heating the object to a certain temperature will change the color of the paint on the surface of the object, thereby determining the color change temperature of the paint. . In industrial applications, it is mostly used as an over-tempera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D129/04C09D7/12
Inventor 安春
Owner 安华新材科技(北京)有限公司
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