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Synthesis and Characterization of Hydrogels Based on Potato Starch/Poly(vinyl Alcohol)/N,N′-Methylenebisacrylamide

Journal of Renewable Materials 2022年第8期10卷 2179-2201页

作者： Diego David Pinzón-Moreno Eder Clidio Vicuña-Galindo josévulfrano gonzález-fernández joséLuis Soto-gonzales María Verónica Carranza-Oropeza Faculty of Chemistry and Chemical Engineering National University of San MarcosLima15081Peru

Several hydrogels were synthesized by free-radical polymerization in an aqueous medium based on potato starch(PS),poly(vinyl alcohol)(PVA),and N,N′-Methylenebisacrylamide(MBAm),being possible to study these hydrogels as a function of the proportion of components *** this way,the products generated from the synthesis were characterized by swelling and deswelling kinetics,the first swelling being verified with Schott and statistical models,allowing to contrast the proximity between the experimental and theoretical ***,water retention in soil(R%),spectroscopy(FTIR),morphological(SEM),and thermal(TGA and DSC)analysis allowing to know the intrinsic characteristics of the material,increasing in general terms the knowledge of this type of *** this context,it was possible to verify the characteristics and effectiveness of the synthesis and crosslinking of the main *** experimental results obtained show that the synthesized hydrogels present representative swellings consistent with kinetic and statistical models,optimal thermal stability depending on the amount of crosslinker,and excellent water retention in environments such as soil,presenting it as an excellent alternative to be used in agro-industrial applications in an eco-friendly way.

关键词： Hydrogel potato starch polyvinyl alcohol N,N′-Methylenebisacrylamide kinetic swelling and deswelling water retention thermal characterization morphology characterization

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