Synthesis and Characterisation of Carboxymethyl Cellulose Based Bentonite Polymer Blend

Abstract

Polymer blend of carboxymethyl cellulose (CMC) and bentonite clay were prepared in the presence and absence of the cross linking agent glutaraldehyde. The synthesized compounds were characterized using FT-IR, XRD, TGA and DSC analysis. The percentage of yield obtained is higher for the polymer blend prepared with glutaraldehyde as cross liking agent. The result of FTIR studies showed the various peaks corresponding to the functional groups present in the two polymer, which clearly indicates the presence of strong cross linking between the polymer and cross linking agent. Similarly, thermal gravimetric analysis revealed that enhanced thermal stability for the polymer blends along with glutaraldehyde. X-ray diffraction studies prove that the polymer blends have higher crystallinity when blending with glutaraldehyde.