Water-based thermal-insulation and flame-retardant coating with wide temperature range and high damping performance, and preparation method of coating

Abstract

The invention belongs to the technical field of coatings, and discloses a water-based thermal-insulation and flame-retardant coating with a wide temperature range and high damping performance, and a preparation method of the coating. The coating is prepared from the following components in parts by weight: 30-45 parts of water-based emulsion, 5-20 parts of damping pigment filler, 10-20 parts of polymer hollow microspheres, 15-25 parts of inorganic filler, 5-10 parts of a flame retardant, 1-5 parts of an antifreezing agent, 0.5-1.0 part of a base material wetting agent, 1.0-5.0 parts of a water-based wetting dispersant, 0.5-2.0 parts of a water-based defoamer, 0.5-3.0 parts of a coupling agent, 0.5-2.0 parts of a film-forming auxiliary agent, 0.5-1.5 parts of a thickening agent and 5-10 parts of water, wherein the water-based emulsion is self-crosslinking acrylate emulsion. The coating has the advantages of being high in damping value, wide in damping temperature range, good in covering power and heat-insulating property, and the like.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to a water-based heat-insulating, flame-retardant, wide-temperature-range, high-damping performance coating and a preparation method thereof. Background technique [0002] Damping coatings use the viscoelastic properties of organic polymer materials to convert the vibration mechanical energy of sound waves into thermal energy and dissipate them (ie, mechanical loss), thereby achieving the purpose of reducing amplitude, reducing vibration, and suppressing noise. [0003] The production and use of traditional damping materials such as asphalt panels release toxic and harmful waste, waste water, and pollute the environment and the atmosphere. As society pays more and more attention to environmental protection, damping coatings are gradually becoming water-based. However, the application environment of damping coatings is complex and diverse, and requires high performance other than dam...

AI Technical Summary

Problems solved by technology

However, the application environment of damping coatings is complex and diverse, and requires high performance other than damping performance. At present, the comprehensive performance of water-based damping coatings is not good, such as poor heat insulation performance, poor flame retardancy, and narrow damping temperature range.

[0004] The Chinese invention patent with the publication number CN101693799B improves the heat insulation performance of water-based damping coatings by adding asbestos fibers and perlite. However, although asbestos fibers have good heat insulation performance, they are harmful to the human body and are not suitable for use in locomotives, ships and construction fields.

[0005] The patent application with the publication number CN105419544A reduces the amount of emulsion used by adding wood fiber to improve the damping performance and heat insulation performance, but the addition of wood fiber reduces the flame retardancy and corrosion resistance of the damping coating