摘要
Theeffectofpolyethyleneimine(PEI)concentrationonthepropertiesoftitaniumdioxide(TiO2)suspensionsisstudiedwithorwithouttheadditionofanelectrolyte(bariumacetate).MeasurementsoftheapparentviscosityandthestabilityofTiO2suspensionsshowedthatPEIisaneffectivedispersantforTiO2particlesinsuspensionintheabsenceofanelectrolyte,notonlyreducingtheviscosityofthesuspensionbutalsoincreasingitsstability.Inthepresenceofanelectrolyte,however,smallquantitiesofpolyethyleneiminecouldneitherdispersetheTiO2particlesnorde-creasetheviscosityoftheTiO2suspensions;onlyPEIconcentrationsbeyondsaturationadsorptioncouldperceptivelyimprovethestabilitvofTiO2suspensions.
出版日期
2004年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)