Cognis patents acrylic powder coating resin.Patent No. U.S. 6,878,780 B2 Cognis Corporation has been granted a patent for imparting room temperature stability and improved flow properties to a powder coating Powder coating is a type of dry coating, which is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension . The method comprises contacting a polymer consisting essentially of a copolymer copolymer: see polymer. having a pendant functionality capable of reacting with a dicarboxylic acid dicarboxylic acid any organic molecule containing two carboxyl groups. and a flow-controlling in an effective amount of a saturated dicarboxylic acid having from 15 to 18 carbon atoms. |
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