We have been interested in the synthesis of hydro gels with fast swel1ing kinetics and supersorbent properties. So copolymer of NIP A and AA was prepared using bis as cross linker and TEMED as activator. The copolymer was characterized by determining the swelling ratio in aqueous solution as function of time, ionic strength, temperature, concentration of monomer and cross linker and best concentration for them is reported. The resultant chemically cross linked networks show levels of swell ability in water significantly higher than those previously reported for such copolymer using.
S ZAKIR ,B AHMAD ,S BASHIR ,Z IQBAL ,M NISAR ,
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