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This study aimed to synthesize cassavaistarch-grafted polyacrylamide hydrogel (iCSg- PAMi) by the microwave-assisted method based on cassavaistarch as the backbone, acrylamide as the monomer, and pota...ssium peroxodisulfate (KPS) as the initiator. In this paper, the effect of KPS amount as initiator and microwave irradiation power was investigated on the obtained hydrogel properties as a candidate for enhanced oil recovery (EOR) application. Fourier-transformiinfraredi (FTIR), scanningielectron microscopyi(SEM), X-rayi powderi diffractioni (XRD), and thermogravimetricianalysisi(TGA) were used to investigate the effective grafting of polyacrylamide chains onto the backbone of icassava starch. Results show that the preparation of CS-g-PAMi with 0.3 g of KPS and 700 W of irradiation power resulted in the best performance, which was 602.66% of grafting percentage and 81.72% of water solubility. Its viscosity also exceeded 96% after 15 days of aging.show more
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p2134-2144