Synthesis of Aloe Barbadensis Based Biodegradable Semi Synthetic Interpenetrating Polymer Network IPN and Its Application as A Sorbent

Abstract

The present thesis deals with the synthesis of interpenetrating polymer network (IPN) and semi interpenetrating polymer network (SIPN) using a natural polysaccharide Aloe barbendensis under in-air condition and microwave radiations. In this synthesis, ammonium per sulphate was used as an initiator, N, N -methylene bisacrylamide as cross-linker whereas, acrylic acid and acrylamide were used as primary and secondary monomers, respectively. The graft polymerisation in synthesized polymer was confirmed by SEM, FT-IR, XRD, TGA and EDS. Maximum observed Ps of SIPN synthesized in-air and under MW condition was analysed to be 556.6% and 811%. Maximum Ps analysed in IPN (In-air) and (MW) was 856.6 % and 913.6 %. newlineNanoparticles based on CuSO4, NiSO4 were prepared and imbibed into SIPN and IPN to synthesize nanocomposites by free radical polymerisation technique under different reaction conditions. Maximum analysed Ps of SIPN-Cu-Ni-nanocomposite-IA (in-air) and SIPN-Cu-Ni nanocomposite-MW (micro wave) was 969.6% and 1079.6 %. Maximum Ps in IPN-Cu-Ni-nanocomposite-IA as well as IPN-Cu-Ni-nanocomposite-MW was 1103.6 % and 1247%. The impact of different physico-chemical properties on percentage swelling of SIPNs, IPNs and their nanocomposites were also investigated. Characterisation was done by FTIR, SEM, TEM, TGA, XRD and EDS. newline