A kind of heat insulation coating and preparation method thereof

By introducing modified graphene oxide and modified hollow glass microbeads into the thermal insulation coating, the problems of degradation of coating fluidity and construction performance, risk of peeling and insufficient thermal insulation performance in existing thermal insulation coatings are solved, and higher thermal stability, thermal insulation conduction and anti-aging properties are achieved.

CN119463608BActive Publication Date: 2025-04-01SICHUAN HOMEBOAT COATINGS CO LTD
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Patent Information

Application Number
CN202510043154.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-04-01
Estimated Expiration
2045-01-10

AI Technical Summary

Technical Problem

In the use of high proportion of titanium dioxide, existing thermal insulation coatings lead to a decrease in the fluidity and construction performance of the coating film, and the risk of peeling, and insufficient thermal insulation and aging resistance.

Method used

Modified graphene oxide and modified hollow glass microbeads were used to increase hydrophilicity by 1-amino-8-naphthol-3,6-disulfonic acid modified graphene oxide, and surface grafting of hollow glass microbeads was carried out through trimethyltrivinylcyclotrisilane to improve interfacial compatibility and strong interfacial interaction.

Benefits of technology

It improves the thermal stability and thermal conductivity of thermal insulation coatings, avoids excessive thermal conductivity, maintains good mechanical properties and thermal stability, significantly improves anti-aging performance, and achieves better thermal insulation effects.

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Abstract

The present invention discloses a thermal insulation coating and a preparation method thereof, which belongs to the technical field of thermal insulation coatings. The composition thereof is as follows by weight, including: 10-30 parts of deionized water, 20-30 parts of binders, 15-36 parts of fillers, 2-5 parts of nano-composite ingredients, 2-6 parts of modified graphene oxide, 5-10 parts of modified hollow glass microspheres, 1-2 parts of freeze-thaw agents, 1-3 parts of film-forming agents, 0.2-0.6 parts of defoamers, 0.1-0.3 parts of dispersants, and 0.3-0.6 parts of thickeners. In the present invention, modified graphene oxide and modified hollow glass microspheres are introduced into the thermal insulation coating at the same time; under the synergistic effect of the two, the thermal insulation coating can avoid excessive heat conduction transfer, and can still maintain good mechanical properties and thermal stability at higher temperatures, thereby achieving a more excellent thermal insulation effect; and under the synergistic effect of the two, the anti-aging performance of the thermal insulation coating can also be significantly improved.
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