Cassia Fistula Seed Gum-graft - Poly(acrylamide): An Efficient Adsorbent For Reactive Blue H5G Dye

Objective: In this study, fenugreek gum (isolated from fenugreek seed) was modified into a grafted form using a microwave-assisted method. Acrylamide was used as a monomer, and ceric ammonium nitrate (CAN), potassium persulfate (KPS), and ammonium persulfate (APS) were used as redox initiators. Methods: The experimental design (Taguchi OA) was used to optimize the synthesis of the grafted copolymer of fenugreek gum. In this model, seven independent variables were selected on the basis of their preliminary study. These were monomer concentration (X1), gum concentration (X2), initiator concentration (X3), irradiation power (X4), speed (X5), time (X6), temperature (X7), and three response variables % yield (Y1), % grafting (Y2), and % grafting efficiency (Y3) were identified. The optimized copolymers of grafted gum were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), differential scanning calorimetry (DSC), NMR studies, surface morphology and swelling index. Results: The yield of fenugreek gum after extraction was found to be 55.99±0.015% w/w. The percentage grafting 50.20±4.0 with grafting efficiency 83.7±0.1 were obtained with the selected concentration of acrylamide 15 mg, grafted gum 0.25 mg, ammonium persulfate 0.2 mg after 60 sec. of irradiation time. Conclusion: In the present study, the graft copolymers of fenugreek gum were synthesized. After optimization of the grafting batch, the success of the design (Taguchi OA) combined with a desirability function. The results underline the importance of graft polymerization techniques for modifying the properties of a polymer.

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Microwave-assisted Synthesis of Acrylamide Grafted Polymeric Blend of Fenugreek Gum and its Characterization

Gandhi

Pandey²,

Verma

et al. 2022

NANOASIA

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Cassia Fistula Seed Gum-graft - Poly(acrylamide): An Efficient Adsorbent For Reactive Blue H5G Dye

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Microwave-assisted Synthesis of Acrylamide Grafted Polymeric Blend of Fenugreek Gum and its Characterization

Microwave-assisted Synthesis of Acrylamide Grafted Polymeric Blend of Fenugreek Gum and its Characterization

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