Production method of thick-film fluorocarbon color-coated sheet product
A production method and color-coated board technology, which is applied to the surface coating liquid device, coating, pre-treatment surface, etc., can solve the problems that cannot meet customer needs, and the film thickness is limited to 25 microns.
Pending Publication Date: 2021-11-12
SHOUGANG JINGTANG IRON & STEEL CO LTD
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Problems solved by technology
[0003] Fluorocarbon color-coated sheet products with a film thickness of more than 40 microns have super corrosion resistance and can be widely used in thermal power plants, large-scale national key projects, etc. Limited to 25 microns, unable to meet customer needs
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[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0038] figure 1 It is a structural schematic diagram of a production method of a thick-film fluorocarbon color-coated board product according to an embodiment of the present invention, combining figure 1 , the production method includes:
[0039] S1: Pretreat the surface of the substrate;
[0040] S2: Adjust the temperature and viscosity of the thick-film polyurethane primer, and set the parameters of the initial coating machine, and apply the thick-film pol...
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Abstract
The invention relates to the field of color-coated sheet production, in particular to a production method of a thick-film fluorocarbon color-coated sheet product. The method comprises the following steps: pretreating the surface of a base material; adjusting the temperature and viscosity of a thick-film polyurethane primer, setting parameters of a primary coating machine, and coating the surface of the pretreated base material with the thick-film polyurethane primer through the primary coating machine, wherein the thickness of an obtained thick-film polyurethane primer coating ranges from 20 micrometers to 21 micrometers; and adjusting the temperature and the viscosity of fluorocarbon finish paint, setting parameters of a fine coater, and coating the fluorocarbon finish paint on the thick-film polyurethane primer covering the surface of the base material through the fine coater to obtain a fluorocarbon finish paint coating with the thickness of 20-21 micrometers. According to the method, the primer coating type, the finish coating type, the coating temperature, the coating viscosity, the strip roller rotating speed of the primary coating machine and the strip roller rotating speed of the fine coater, the coating roller rotating speed and the strip roller pressure are combined, and through reasonable matching of all parameters, it can be ensured that the film thickness of the fluorocarbon color-coated sheet product on line at a time reaches 40 micrometers or above.
Description
technical field [0001] The invention relates to the field of color-coated sheet production, in particular to a method for producing thick-film fluorocarbon color-coated sheet products. Background technique [0002] Fluorocarbon color-coated board is a metal paint-coated board made of fluorocarbon resin fluorocarbon coating on the metal plate and then baked at high temperature. The fluorocarbon coating is the best in the existing architectural coatings. Fluorocarbon color panels are mainly used for indoor and outdoor buildings that need long-term protection and always maintain the original color, especially high-end buildings or buildings in harsh environments, such as public facilities, airports, commercial or office buildings, supermarkets, industrial plants , hangars and grain depots, etc. [0003] Fluorocarbon color-coated sheet products with a film thickness of more than 40 microns have super corrosion resistance and can be widely used in thermal power plants, large-sca...
Claims
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IPC IPC(8): B05D7/16B05D7/00B05D1/28B05D3/00B05D3/02B05D1/36
CPCB05D7/16B05D7/542B05D3/002B05D1/28B05D3/0272B05D3/007B05D1/36B05D2202/30
Inventor 邓玉波沈友林刘学良吴辉刘鸿明梁广秀路永祥石彦如何道娟
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD