application of synthesis and application of nonionic polyacrylamide

application of synthesis and application of nonionic polyacrylamide
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  • Can nonionic polyacrylamide be used as a gel fracturing fluid?
  • Nonionic polyacrylamide (NPAM) with controlled molecular weight was successfully synthesized as a gel fracturing fluid by aqueous solution polymerization.
  • Why is anionic polyacrylamide chosen?
  • Anionic polyacrylamide is chosen because the intramolecular electrostatic repulsion between polymer segments forces the polymer chains to adopt a more extended conformation, increasing the efficiency of bridging flocculation.
  • Which cationic polyacrylamide is synthesized through UV initiation?
  • Recently, Ma et al. used acrylamide (AM) and methacryloxyethyl trimethyl ammonium chloride (DMC) to synthesize a novel cationic polyacrylamide (CPAM) through low-pressure ultraviolet (UV) initiation.
  • Does polyacrylamide adsorb to gold and silver plates?
  • The effect of polyacrylamide molecular weight, 10 4 and 10 6 , and concentration, 3–53 mg mL −1, on adsorption to gold and silver plates was investigated using QCM-D. 180 A lower amount of higher molecular weight polymers was required to form a thick layer than lower molecular weight polymers, as seen in Figure 27.