Technology for coating antique paint on glass

Abstract

The invention relates to the technical field of coating, and specially, relates to a technology for coating antique paint on glass. The technology for coating antique paint on glass comprises the following steps of glass material treatment, epoxy primer spray coating, unsaturated polyester (PE) modeling paint spray coating, antique paint coating and fluoro-carbon finish spray coating. The technology for coating antique paint on glass guarantees physical properties of a whole coated film, has an excellent antique three-dimensional effect, and can be operated simply and be controlled easily.

Description

technical field [0001] The invention relates to the technical field of painting, in particular to a painting process for applying antique paint to glass. Background technique [0002] At present, the glass antique effect process provided by most domestic coating manufacturers to downstream customers is a traditional process, baking varnish primer (for adhesion to glass materials)→baking varnish modeling paint (for making three-dimensional antique effect)→baking varnish topcoat (for protection) Functional use), since baking varnish coatings generally require high-temperature baking, multi-coating can easily lead to poor adhesion of recoating, and high-temperature baking consumes a lot of energy, which is not conducive to energy saving, cost, and production operations. Baking varnish-type modeling paint is generally convenient to operate. A large amount of powder is added to the formula of the modeling paint, and the pigment-to-base ratio is quite high. Generally, the resin of...

AI Technical Summary

Problems solved by technology

[0002] At present, the glass antique effect process provided by most domestic coating manufacturers to downstream customers is a traditional process, baking varnish primer (for adhesion to glass materials)→baking varnish modeling paint (for making three-dimensional antique effect)→baking varnish topcoat (for protection) Functional use), since baking varnish-type coatings generally require high-temperature baking, multi-coating can easily lead to poor adhesion of recoating, and high-temperature baking consumes a lot of energy, which is not conducive to energy saving, cost, and production operations

Baking varnish-type modeling paint is generally convenient to operate. A large amount of powder is added to the formula of the modeling paint, and the pigment-to-base ratio is quite high. Generally, the resin of baking varnish-type paint is selected from thermosetting acrylic acid resin, alkyd resin, etc. Therefore, the structural properties of several resins are not too strong, and the adhesion is not very good when the powder is added in a high amount. It is easy to crack and paint off after a long time in the natural environment. The content is generally relatively low, the fullness of the coating film is poor, the three-dimensional effect is relatively poor when making antique effects, and the weather resistance of baking varnish topcoats is generally relatively poor. If customers make outdoor products and require weather resistance, they obviously cannot meet the requirements.