Abstract
AbstractEngineering functional materials from biomass and industrial waste is of great significance for sustainable chemistry and engineering. Bio‐based poly (acrylic acid‐acrylamide‐biomass‐fly ash) (PAABF) composites with appropriate densities were designed. Graft copolymer composites were prepared for the first time by combining biomass and fly ash as graft materials with acrylic acid and acrylamide as monomers. The results showed that PAABF composites have a three‐dimensional network structure. Cellulosic biomass (sodium carboxymethyl cellulose, cattail cellulose) and fly ash improved the thermal stability, water absorption, water retention, temperature resistance, and salt resistance of the composites. PAABF composites can be used as water plugging profile control agent for oilfield with high‐salinity and deep burial.
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