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    • 4. 发明公开
    • DEVICE FOR PREDICTING GLOSS OF LOW GLOSS COATING BY WET COLOR MEASUREMENT
    • 用湿式颜色测量法预测低光泽涂层的光泽的方法
    • EP2627993A4
    • 2016-09-07
    • EP11833328
    • 2011-10-12
    • COATINGS FOREIGN IP CO LLC
    • YOKOYAMA AYUMUMOY ANTHONY
    • G01N21/57G01N21/84
    • G01N21/57B05D1/00G01N21/8422G01N2021/8427
    • The present invention is directed to a device 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 device 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 device 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 device 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(例如汽车OEM或修补漆)的湿层产生的涂层的光泽的方法的装置。 该装置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。 用不同量的添加到组合物中的一种或平化剂重复该装置,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。 该装置在制造涂料组合物期间是最有用的,例如汽车OEM和修补漆。