液体（状态）显色.pdf

1、LIQUID(STATE)COLOR DEVELOPMENTLIQUID(STATE)COLOR DEVELOPMENTOLIVER KORTEN,OLIVER KORTEN,ORONTEC GMBH&CO.KGORONTEC GMBH&CO.KG3(Dynamic)liquid color measurement 2 different processes(requiring color matching)Production process Color development process Dry to liquid spectral mapping(or vice versa)Tech

2、nical realization Summary/business benefitAgendaEuropean Coatings ShowConference Award-winning paper4Color measurement processes Usual color measurement process:sequence of 3 process steps:Take sample Prepare specimen Ensure that a film gets built Apply film Dry Measure specimen Liquid color measure

3、ment process faster drying obsolete takes approximately 3 minutes to measure(incl.cleaning of the device)more reproducible film application automatedLiquid Color Measurement(LCM)identicalless requirementsobsoletepart of measurementAdvantages ofLiquid Color Measurement(LCM):Optimise production time:N

4、o separate application,drying and curing steps Measurements at any step ofthe production processfrom the beginning to the end Less error-prone:application is automated part ofmeasurement Positive side-effect:Reduce energy consumptionand waste52 LCM types Static Contactless measurement from abovea Pe

5、tri dish or container Measurement through the bottomof a transparent cuvette Dynamic Contactless measurement Film application on rotating cylinder/disk Advantages of dynamic LCM:Renewal of film building with every rotation Negligible time dependency(no homogeneity issues)No flocculation No sedimenta

6、tion No leafing No adhesion to container wallsLiquid Color Measurement(LCM)6Dynamic Liquid Color Measurement DeviceExample:Dynamic Liquid Color Measurementdevice equipped with 45:0 spectrophotometer Contactless dynamic measuring principles Single angle measurement device/rotating cylinder Spectropho