Low-temperature curing self-crosslinking aminoacrylic acid paint and preparation method thereof

Abstract

The invention relates to aminoacrylic acid paint which consists of a mixture A and a mixture B, wherein the weight ratio of the mixture A to the mixture B is 10:1; the mixture A comprises the following components in parts by weight: 55-68 parts of acrylic resin, 18-25 parts of methylated phenylate amino resin, 0-20 parts of semi-finished pigment paste, 1-2 parts of adhesion promoter, 0.1-0.3 part of acrylate leveling agent and 4 parts of isobutyl alcohol; and the mixture B comprises the following components in parts by weight: 20 parts of cooling agent, 2 parts of stabilizer, 56 parts of ethyl acetate, 20 parts of isobutyl alcohol and 2 parts of conductive agent. Compared with the prior art, the paint has the following advantages and effects: according to the paint, the cooling agent and the stabilizer are introduced through a formulation design, the production process is optimized, the drying temperature of the paint is reduced to 70-80 DEG C, the drying time is shortened to 30min, an application scope of the traditional aminoacrylic acid paint is expanded, the paint can be applied to a plastic base material, the energy cost for a client is lowered, energy saving and emission reduction are facilitated, and the paint is a low carbon economy technology.

Description

technical field [0001] The invention relates to an aminoacrylic paint, in particular to a low-temperature curing self-crosslinking aminoacrylic paint, and also to a preparation method for a low-temperature curing self-crosslinking aminoacrylic paint. Background technique [0002] The curing temperature of the existing aminoacrylic acid paint is generally 120-150° C., and the curing time is about 30 minutes. Existing aminoacrylic coatings are generally used on metal substrates. However, plastic substrates cannot be used, because plastic substrates (commonly such as PVC and ABS) generally undergo thermal deformation above 80°C. Traditional coatings applied to plastic substrates include nitro-based primers (or thermoplastic acrylic primers) + polyurethane varnishes. Due to the poor physical and chemical properties of nitro-based primers and thermoplastic acrylic primers, such as weather resistance and gloss, Therefore, it is necessary to cover a layer of polyurethane varnish ...

AI Technical Summary

Problems solved by technology

Although its drying temperature is low, it can be applied to aluminum plates, but its drying temperature is difficult to be lower than 80 ° C, making it difficult to use on plastic substrates (commonly such as PVC, ABS)