supported by the National Natural Science Foundation of China(Project Nos.51774062 and 52274032);Scientific and Technological Key Research Program of Chongqing Municipal Education Commission(KJZD-K201901502);General Project of Chongqing Natural Science Foundation(CSTB2022NSCQMSX0349);Science and Technology Research Program of Chongqing Municipal Education Commission(KJQN202313101)。
Two allyldimethylalkyl quaternary ammonium salt(AQAS)monomers,N,N-dimethylallylphenylpropylammonium bromide(AQAS1)and N,N-dimethylallylnonylammonium bromide(AQAS2),were synthesized and used to prepare modified polyacr...
the National Natural Science Foundation of China(No.52204023);China Postdoctoral Science Foundation(2022M713465);Postdoctoral Innovation Talent Support of Shandong Province(SDBX2022033)。
During ultradeep oil and gas drilling,fluid loss reducers are highly important for water-based drilling fluids,while preparing high temperature-and salt-resistance fluid loss reducers with excellent rheology and filtr...