sulfonated asphalt polyacrylamide for drag reduction in france

sulfonated asphalt polyacrylamide for drag reduction in france
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  • Does sulfonated polyacrylamide reduce drag in oil–water annular flow?
  • Moreover, the injection of the high molecular weight, sulfonated polyacrylamide (Magnafloc 1011) into oil–water annular flow in a horizontal acrylic pipe caused a maximum drag reduction of around 50% (Al-Wahaibi et al., 2007 ).
  • Does molecular weight affect retention of sulfonated polyacrylamide copolymers?
  • Studies on the effect of molecular weight on retention of sulfonated polyacrylamide copolymers studied by Rashidi (2009Rashidi ( , 2011 led to the conclusion that by increasing the molecular weight of the polymer, less polymer was retained [83, 85].
  • Does sulfonated polyacrylamide copolymer have a better shear-resistance than HPAM?
  • Regarding the rheological aspect, the previous study had shown the introduction of a sulfonic acid unit in the molecular chain have led to the increased chain rigidity in sulfonated polyacrylamide copolymer (AM/AMPS copolymer) and hence, creating a better shear-resistance as compared to that of the HPAM. ... ...
  • Can polyacrylamide & methyl ammonium chloride improve drag reduction performance?
  • Liu et al. [ 22] found that the mixed solution of polyacrylamide (PAM) and cetyltrimethyl ammonium chloride (CTAC) formed a kind of reinforced concrete structures, which improved the restriction on vortices, resulting in a better drag reduction performance.