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    • 2. 发明授权
    • Method for producing powder lacquer containing gloss pigments
    • 含有光泽颜料的粉末漆的制造方法
    • US06241382B1
    • 2001-06-05
    • US09367722
    • 1999-11-19
    • Manfred KieserOtto Stahlecker
    • Manfred KieserOtto Stahlecker
    • B01F1305
    • C09D5/36C09D5/032C09D7/80Y02P20/544
    • A process for producing powder coating materials comprising lustre pigment comprises starting materials consisting of customary powder coating components and one or more lustre pigments. The starting materials are first introduced into the filling chamber of a first vessel which has a mixing element and is provided, if desired, with a thermostat. Subsequently, a supercritical fluid is admitted to the filling chamber, and finally the starting materials are mixed in the presence of the supercritical fluid. The mixture of the customary powder coating components, one or more lustre pigments and the supercritical fluid is transferred by a distributor into a second vessel. The distributor has a plurality of nozzles with an aperture diameter of from 0.025 cm to 2.5 cm. During transfer, the second vessel is maintained at an internal pressure of from 0 bar to 350 bar and at a temperature of from −85° C. to 200° C.
    • 包含光泽颜料的粉末涂料的生产方法包括由常规粉末涂料组分和一种或多种光泽颜料组成的起始材料。 起始材料首先被引入到具有混合元件的第一容器的填充室中,并且如果需要的话可以用恒温器提供。 随后,超临界流体进入填充室,最后在超临界流体的存在下混合原料。 常规粉末涂料组分,一种或多种光泽颜料和超临界流体的混合物通过分配器转移到第二容器中。 分配器具有多个孔径为0.025cm至2.5cm的喷嘴。 在转移期间,将第二容器保持在0巴至350巴的内部压力和-85℃至200℃的温度。