The polymerization kinetics of sodium p-styrenesulfonate (SSS) in aqueous solution has been studied with dilatometer method

the polymerization rate equation was determined．and the polymerization active energy was measured．At the same time

the behavior of the copolymerization between SSS and aerylamide (AM) have also been studied

the composition of the copolymer was determined using the complex reaction conductometric titration method which was founded previously by us through complex reaction of anionic polyelectrolyte with a surfactant cetyl trimethyl ammonium bromide (CTAB)．And the reactivity ratios of SSS and AM were determined．The results show that the polymerization rate equation for SSS is i>Rp=k[M]1.0[I]0.53

which displays that the chain termination reaction is according to the bimolecular termination mode

and the inititate process is independent of monomer concentration

andthe apparent polymerization active energy is 84.97 kJ·mol-1．The reactivity ratios of SSS and AM was calculated by using the Kelen-Tudos method

and they afe rsss=0.27 and rAM=2.21 respectively． Furthermom

the Q and e values of SSS were calculated by usingthe empirical equation of Alfrey-Price

and they are Q=0.22 and e=0.46．respectively．