%0 Journal Article
%T StudyoftheGellingProcessforthePreparationofTinOxideMaterialsBasedonTinTetrabutoxide
%A 黄瑞安
%A 侯立松
%A 赵启涛
%A 任叔华
%J 过程工程学报
%D 2005
%X Thegellingprocessinthepreparationoftinoxidematerialsbasedontintetrabutoxideisstudied.Sn(OBun)4modifiedbytwomolesofacetylacetone(AcAc)hasastablesix-memberringstructureandislesssusceptivetowater.InasystemwithalowermolarratioofacetylacetonetoSn(OBun)4([AcAc]/[Sn(OBun)4]<2.0)oralargerportionofwater([H2O]/[Sn(OBun)4]>2.5),colloidalsuspensionorwhiteprecipitationwilltakeplace.AsystemwithmolarratiosofbothacetylacetonetoSn(OBun)4andwatertoSn(OBun)4at2.0istransparentandolivaceoussol.Ascatalysts,hydrofluoric,hydrochloric,hydrobromicandaceticacids,andammoniaallacceleratethehydrolysisandcondensationofSn(OBun)4duringthesol-gelprocess.Lightscatteringmeasurementindicatesthatclustersizedistributioninthesolsystemundergoesgradualbroadeningduringthesol-geltransition.
%K solgel
%K tintetrabutoxide
%K hydrolysis
%K condensation
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=628