Twoseriesofinterpenetratingsulfonicacidresins(ISAR),10×nandn×10,werepreparedbymeansofthewetmethod,andthephysicochemical,thermodynamicandkineticpropertiesoftheISARweremeasured.Theresultsshow:10×nresinsexhibitbetterpropertiesthann×10ones,mainlyinhigherapparentdegreeofcrosslinkingandlargerconformationalentropyeffect,amongwhich,10×1resinexhibitsthebestthermodynamicandkineticproperties.IntheDTAgraphsofn×10resins,therearetwoTgandtwoTox,butinthoseof10×n,onlyoneTgandoneTox.Thisresultwellsupportstheconclusionthat10×nresinshavemuchbetterinterpenetratingstructuralaspects.