Metal powder coating and preparation method thereof
A metal powder and coating technology, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of surface oxidation of metal pigments, particle deformation, and dull metal color on the appearance of coating films.
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[0022] Example 1
[0023] In parts by weight, 66 parts of DSM-P5900 polyester resin from DSM (China) Co., Ltd., 5 parts of LC-TGIC from Shandong Longcai New Material Co., Ltd., and 24 parts of barium sulfate, Shandong Longcai New Material Co., Ltd. 0.8 parts of leveling agent LC-88, 0.3 parts of Benzoin LC-BENZOIN from Shandong Longcai New Material Co., Ltd., 0.3 parts of brightener 701 from Ningbo Nanhai Chemical Co., Ltd., 0.4 parts of antioxidant 1010 from BASF (China) Co., Ltd. , 1.2 parts of pigment titanium dioxide R966 from Sichuan Dragon Mang Group Co., Ltd., 0.0001 parts of CI Pigment Red 101, 0.2 parts of 151 Yellow, and 0.6 parts of CI Pigment Red 43, which are introduced into the inverting automatic mixer for mixing, and the mixing time is 10 minutes; Extrude the mixed material with a twin-screw extruder at a temperature of 130°C; the extruded material is cooled to room temperature and crushed with a pulverizer to pulverize into powder particles with an average partic...
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[0025] Example 2
[0026] According to parts by weight, 60 parts of TL-3A polyester resin from Tianlong Group (Hong Kong) Co., Ltd., 4 parts of TGIC from Changzhou Niutang Chemical Factory Co., Ltd., 30 parts of barium sulfate, and flow rate from Ningbo Nanhai Chemical Co., Ltd. Ping agent GLP588 0.6 parts, Lu'an Jietongda Chemical Co., Ltd.'s Benzoin 0.3 parts, Ningbo Nanhai Chemical Co., Ltd. Brightener 701 0.3 parts, Lu'an City Jietongda Chemical Co., Ltd.'s antioxidant B900 0.4 parts, Sichuan Pigment Titanium Dioxide R966 4 parts, Carbon Black MA100 0.0005 parts, CI Pigment Red 48:2 0.02 parts, CI Pigment Yellow 31 0.3795 parts, imported into the inverted automatic mixer for mixing, the mixing time is 10 minutes ; Extrude the mixed material with a twin-screw extruder at a temperature of 130°C; the extruded material is cooled to room temperature and crushed with a pulverizer to obtain powder particles with an average particle size of 50μm to obtain a base powder; Bonding mach...
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