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1、WettingandDispersingAdditivesWesel,2008,MaxMustermannPigmentDispersionFlocculationFlocculatedDispersionDeflocculatedPrimaryParticlesAgglomerate8/18/2021,Page2,WettingandDispersingAdditivesDeflocculation-FlocculationRight:flocculatedLowglossPoortransparency/hidingHighviscos
2、ityLeft:deflocculatedHighglossGoodtransparency/hidingLowviscosity8/18/2021,Page3,WettingandDispersingAdditivesDeflocculation-Flocculation8/18/2021,Page4,WettingandDispersingAdditivesPigmentsinComparisonNon-polarLargeSmallOrganicPigmentPolarPolaritySmallSpecificsurfaceareaL
3、argeParticlesizeInorganicPigmentProperty8/18/2021,Page5,WettingandDispersingAdditivesPigmentPropertiesColor/shadeHidingpowerTransparency...canbeachievedthroughcompletepigmentdeflocculation8/18/2021,Page6,WettingandDispersingAdditivesColorChangeduetoFlocculationRedmorebluis
4、hBluemoregreenish8/18/2021,Page7,WettingandDispersingAdditivesWettingandDispersingProcess2Dispersing1Wetting3Stabilization8/18/2021,Page8,WettingandDispersingAdditivesPigmentWettingPhthalocyaninebluepigmentinwater:No(veryslow)wetting.Withwettingadditive:Immediatewetting.8/
5、18/2021,Page9,WettingandDispersingAdditivesTiO2/Water+dispersingadditive(BYK-154)PigmentStabilizationflocculateddeflocculated8/18/2021,Page10,WettingandDispersingAdditivesDispersingAdditivesElectrostaticstabilization8/18/2021,Page11,WettingandDispersingAdditivesWettingandD
6、ispersingAdditivesStericstabilization8/18/2021,Page12,WettingandDispersingAdditivesPigmentStabilizationChargestabilizationEmulsionCharge/StericstabilizationWater-reducibleStericstabilizationSolvent-borneStabilizationmechanismCoatingsystem8/18/2021,Page13,WettingandDispersi
7、ngAdditivesFormationofBénardCellsHorizontalpigmentseparation:FloatingPigmentseparationduetodifferencesinpigmentmobilityPaintsurfaceCrosssection8/18/2021,Page14,WettingandDispersingAdditivesFormationofBénardCells8/18/2021,Page15,WettingandDispersingAdditivesFormationofBénar
8、dCellsResinsolutionwithaluminumpigments8/18/2021,Page16,WettingandDispersingAdditivesFloo
