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evaluation an anionic polyacrylamide flocculant with low cost,in this study, a template polymer with anionic microblock structure was successfully synthesized through ultrasonic initiated template copolymerization (ustp) by using sodium allylsulfonate (sas) and acrylamide as monomers, poly diallyl dimethyl ammonium chloride (polydadmac) as template, and 2,2′-azobis [2-(2-imidazolin-2-yl) propane] dihydrochloride (va-044) as initiator.

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polyacrylamide, also briefly referred as pam, polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives.the polymer can be synthesized as a simple linear chain or as a cross-linked structure.

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the interfacial tension (ift) between e-hpam solution and daqing oil could reach 15.3 mn/m, 75.1% lower than that of the p-hpam solution with daqing oil. after 1.2 pv of polymer solution was injected, e-hpam solution got an oil recovery factor of 24.1% (ooip), 10.0% higher than that of p-hpam under identical conditions.

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evaluation an anionic polyacrylamide flocculant with low cost

in this study, a template polymer with anionic microblock structure was successfully synthesized through ultrasonic initiated template copolymerization (ustp) by using sodium allylsulfonate (sas) and acrylamide as monomers, poly diallyl dimethyl ammonium chloride (polydadmac) as template, and 2,2′-azobis [2-(2-imidazolin-2-yl) propane] dihydrochloride (va-044) as initiator.

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