爱卡珠光颜料.ppt

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1、PhoenixXT--WeatherResistantPearlescentforCoilCoatingsDec,2007page1EckartShanghaiCo.LtdAmemberofAltanaMeggyLiuEckartPearlescentpigmentsinCoilCoatingsPearlescentPigmentsopenupaworldforcoilcoatingsofdesignpossibilities,withshimmeringmetalliceffectsdifferentfromthebrilliantonesbyAlu/bronzepa

2、stesWidepaletteofmetalliccolor:silverwhite,interference,earthtone,gold…effectsavailablefromsilkyshinetoglitter,dependingonthesizeoftheparticlesParticularlyforexteriorapplications,XTgradepigmentswithanadditionallayer,ensuresanexcellentweatherresistance.Dec,2007page2EckartShanghaiCo.LtdAme

3、mberofAltanaMeggyLiuEckartPearlescentpigmentsPhoenixPX---forinteriorapplicationsonlyPhoenixXT---weatherresistantgrade,forsolvent-basedindustrialcoatingsPhoenixCFE---weatherresistantgrade,chromiumfree,forautomotivecoatingssolvent&water-basedDec,2007page3EckartShanghaiCo.LtdAmemberofAltana

4、MeggyLiuPearlescenteffects珠光效果的形成原理thinoillayer(e.g.soapbubble)pearlescentpigment(thinmetaloxidelayeronsubstrate)InterferenceeffectsbylightdivisionandlightrecombinationatthinfilmsDec,2007page4EckartShanghaiCo.LtdAmemberofAltanaMeggyLiuStructureofpearlescentpigments珠光颜料的结构substrate(mica)c

5、oating(metaloxides)Preparationofpearlescentpigmentsbycoatingofmicawithdifferentmetaloxidesmetaloxides:ATiO2:silverandinterferencecoloursBFe2O3:earthtonecoloursCcombinationofTiO2/Fe2O3:goldencoloursDec,2007page5EckartShanghaiCo.LtdAmemberofAltanaMeggyLiuColourdependenceonlayerthickness颜色取

6、决于包覆层厚度40-60nm80-100nm60-80nm100-140nm120-160nmMicaTiO2silverwhitegoldreflectionredreflectionbluereflectiongreenreflectionDec,2007page6EckartShanghaiCo.LtdAmemberofAltanaMeggyLiuChromium(III)WaterMetal-oxide-layerMOxCr(OH)3MicaStabilisation1stgeneration:Cr(OH)3第一代户外型产品：Cr(OH)3稳定型PhoenixX

7、TPhoenixPXDec,2007page7EckartShanghaiCo.LtdAmemberofAltanaMeggyLiuStep1UV-lightstabilityofpigmentRutileTi02Step2SiO2andSilanesMetal-hydratelayerStep2Surfacemodification:CompatibilitytobindersystempigmentbecomesintegralcomponentofthecoatingMicaStabilisation2ndgeneration:C