Primer for solar water heater

Abstract

The invention discloses a primer for a solar water heater. The prime is prepared from the following components in parts by weight: 10-30 parts of methyl methacrylate isooctyl, 20-50 parts of isocyanate, 10-15 parts of polyurethane elastomer-modified polyester resin, 60-80 parts of xylene, 2-8 parts of butyl acetate, 3-9 parts of resol, 1-3 parts of a thickener, 2-5 parts of kaolin and 2-5 parts of talcum powder. The primer is moisture-proof, thick in paint hand feeling, soft in luster and uniform in chromaticity and is suitable for coating and priming of various metal products and wood surfaces.

Description

technical field [0001] The invention relates to a primer for solar water heaters. Background technique [0002] The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion functions, etc. At the same time, it can ensure the uniform absorption of the topcoat and make the paint system play its best good effect. However, although traditional primers have multiple functions, their pertinence is not strong. For example, general primers have poor moisture resistance, poor hand feeling, and small scope of application. Contents of the invention [0003] The object of the present invention is to provide a primer for solar water heaters with moisture-proof, rich paint film feel, soft luster and uniform chromaticity in order to solve the above problems. [0004] In order to achieve the above object, the present invention is achieved through the follow...

AI Technical Summary

Problems solved by technology

However, although traditional primers have multiple functions, their pertinence is not strong. For example, general primers have poor moisture resistance, poor hand feeling, and limited scope of application.