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    • 19. 发明授权
    • Process for predicting gloss of low gloss coating by wet color measurement
    • 通过湿式测量预测低光泽涂层的光泽度的方法
    • US08637112B2
    • 2014-01-28
    • US13191792
    • 2011-07-27
    • Ayumu YokoyamaAnthony Moy
    • Ayumu YokoyamaAnthony Moy
    • B05D1/00
    • B05D1/00B05D5/063G01N21/57
    • The present invention is directed to a process for process for predicting gloss of a coating resulting from a wet layer of a low gloss coating composition, such as automotive OEM or refinish paint. The process includes measuring reflectance of the layer of the coating composition applied over a test substrate and then allowing the layer to dry and/or cure into a coating. Thereafter, its gloss is measured with a gloss meter. The process is repeated with varying amounts of one or flatting agents added to the composition and the reflectance vs. gloss is plotted on a graph and by using a curve fitting equation a gloss prediction curve is obtained. By measuring the reflectance of a wet layer of a target low gloss coating composition the gloss of a coating that would result from such a layer is then predicted by using the gloss prediction curve. The process is most useful during the manufacture of coating compositions, such as automotive OEM and refinishes paints.
    • 本发明涉及一种用于预测由低光泽涂料组合物的湿层(例如汽车OEM或修补漆)产生的涂层的光泽的方法。 该方法包括测量施加在测试基底上的涂层组合物的层的反射率,然后使该层干燥和/或固化成涂层。 此后,用光泽计测量其光泽度。 用添加到组合物中的不同量的一种或平化剂重复该过程,并且在曲线图上绘制反射率与光泽度,并且通过使用曲线拟合方程获得光泽预测曲线。 通过测量目标低光泽涂料组合物的湿层的反射率,然后通过使用光泽预测曲线预测由该层产生的涂层的光泽度。 该方法在制造涂料组合物期间是最有用的,例如汽车OEM和修补漆。