Acrylic resin, English Name: poly (1-carboxyethylene) or poly (acrylic acid). Acrylic resin is a kind of resin made by copolymerization of acrylate, methacrylate and other olefinic monomers. Different types, properties and applications of acrylic resin can be synthesized by choosing different resin structure, different formulation, production process and solvent composition, Acrylic resin can be divided into thermoplastic acrylic resin and thermosetting acrylic resin according to the difference of structure and film forming mechanism.
The main absorption peak of acrylic resin synthesized by copolymerization of acrylate and methacrylate is beyond the solar spectrum, so the acrylic resin paint has excellent light resistance and outdoor aging resistance.
characteristic
Thermoplastic acrylic resin does not cross link further in the film forming process, so it has large relative molecular weight, good light and color retention, water and chemical resistance, fast drying, convenient construction, easy to re coat and rework, and good whiteness and positioning of aluminum powder when preparing aluminum powder paint. Thermoplastic acrylic resin is widely used in automobile, electrical appliances, machinery, construction and other fields.
Thermosetting acrylic resin is a kind of resin with certain functional groups in the structure. It reacts with the functional groups in amino resin, epoxy resin and polyurethane to form a network structure. The relative molecular weight of thermosetting resin is generally low. Thermosetting acrylic coatings have excellent fullness, luster, hardness, solvent resistance, weather resistance, no discoloration and no yellowing when baking at high temperature. The most important application is to make amino acrylic baking paint with amino resin. At present, it is widely used in automobile, motorcycle, bicycle, coil steel and other products.