Poly(Dimethyldiallyl Ammonium)Chloride(PDADMAC) with the molecular weight 5 000 was prepared by radical polymerization.The structure was characterized by FTIR
1H NMR
XRD
SEM and viscosity method.The antimicrobial activity assessment shows that PDADMAC has a pronounced inhibitory effect against the four fungi and Bacillus subtilis
but weaker against Staphylococcus aureus and Escherichia coli and no against Pseudomonas aeruginosa.