Coating classification: plastic coating (2)

Key tips: main varieties of plastic coating: Coating for polycarbonate Polycarbonate is widely used in structural parts of instruments and meters due to its excellent mechanical properties, high heat resistance and dimensional stability of molding process Especially in this year, with the rapid development of the optical disc industry, PC board is mainly used as the base material, which puts forward high requirements for its coating They should have excellent transparency, wear resistance, scratch resistance and impact resistance Therefore, the main coating is scratch resistant hard coating Coating for polyacrylate Polymethylmethacrylate (PMMA) is commonly known as organic glass Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Paint Home News: the main varieties of plastic paint: polycarbonate paint polycarbonate is widely used in the structural parts of instruments and meters due to its excellent mechanical properties, high heat resistance and dimensional stability of molding Especially in this year, with the rapid development of the optical disc industry, PC board is mainly used as the base material, which puts forward high requirements for its coating They should have excellent transparency, wear resistance, scratch resistance and impact resistance Therefore, the main coating is scratch resistant hard coating Polymethyl methacrylate (PMMA) coating for polyacrylate, commonly known as organic glass, is the most widely used variety of polyacrylate plastics For PMMA coating, especially for PMMA coating for aviation, excellent transparency, scratch resistance and atmospheric aging resistance are required Therefore, it is better to select scratch resistant hard coating Two important uses of polyacrylate coating are to make lenses Therefore, protective scratch resistant, chemical resistant and highly transparent coating is required They are generally composed of siloxane esters and their hydrolysates, colloidal metal oxides or their composite particles Al (ClO4) 3 Coatings for urea formaldehyde and phenolic plastics urea formaldehyde and phenolic plastics are the first thermosetting plastics to be used in industry Products are mainly used to make electrical appliances and electrical insulation parts The urea formaldehyde resin has a low temperature of thermal deformation, which is mainly suitable for the coating dried at room temperature or heated at 60-80 ℃ Due to the low price of urea formaldehyde resin, the coating requirements are not high Generally, air drying alkyd paint, acrylate varnish or nitro paint and acid catalyzed low-temperature amino alkyd baking paint are used Phenolic resin has the advantages of excellent heat resistance, electrical insulation, easy forming and processing, outstanding mechanical strength and price In recent years, it is not only used in quantity, but also used in automobile and electrical industry more and more instead of engineering plastics Phenolic resin molding products, fiber reinforced phenolic products (FRP) and flame-retardant and flame-resistant, special functional products are constantly developed Although phenolic products can be cured at 120 ℃ for 30 minutes with amino alkyd baking paint, it is difficult to obtain satisfactory luster due to heat shrinkage It is better to add organic acid catalyst under 100 ℃ for curing For the occasions with high decorative requirements, two-component polyurethane coating can be used for coating, the representative is fishing rod and its coating At present, most of the fishing rods sold on the market are made of glass fiber reinforced phenolic resin by hot pressing, after being coated with primer and ground with two coats of slurry, and then coated with various colors of acrylic polyurethane or polyester polyurethane finish, anti-skid handle paint, etc Polyester resin coatings for polypropylene plastics are divided into saturated polyester and unsaturated polyester, so the coatings suitable for them are divided into saturated polyester and unsaturated polyester coatings 1) The coating for saturated polyester plastic can be used in a wide range of coatings, such as polyester polyurethane coating, epoxy polyester coating, acrylic polyester light curing coating 2) Generally, the surface of glass fiber reinforced plastic products for unsaturated polyester plastic coating is very rough, which requires a very thick coating to form a smooth coating, often requiring primer or even putty In addition, injection molding can be used for coating Most of the coatings used are cross-linked coating, epoxy modified polyester coating, acrylic polyurethane coating, polyurethane polyester coating and amino alkyd coating The drying method of coating can be room temperature crosslinking, baking crosslinking, or UV curing Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,