简介：

简介：

简介：ThePVCservesofmacroporoussulfoniccation-exchangeresinswerepreparedbythesulfonationofamacroporousPVCbeadwithconcentratedsulfonicacidorchlorosulfonicacid.theresultingsulfonicresinwasemployedintheinvestigationofcatalyticesterificationandsolfteningofwater,Theresultsshowthattheyieldsofestersreach60.0-84.4%accordingasdifferentfattyacidsandalcohols,therefractiveindexesofestersobtainedresemblethosereportedinthereferencesbasically,meanwhile,345Lsoftenedwaterwhichholds≤0.06mmol/Lhardnesswouldbepreparedby1Lwetsulfonicresinreusingfor4times.Theresultingsulfonicresinswouldhave1.6-2.0or2.5-3.0mmol/gexchangecapacitybyusingconcentratedsulfonicacidorchlorosulfonicacidassulfonatingagent,respectively,Thesulfonicresinhasamacroporousstructuretakingthemorphologywithagglomeratesofminutelysphericalgelparticlesascharacteristic.