making process of a nonionic polyacrylamide gel is of Andorra

making process of a nonionic polyacrylamide gel is of Andorra
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  • What is nonionic polyacrylamide (NPAM) gel?
  • Nonionic polyacrylamide (NPAM) gel was prepared for in-depth profile control. A compact three dimensional network structure was formed in the bulk gel system. Retention, adsorption and bridging across the pore throats occur in high permeability zones. The NPAM gel shows superior high temperature resistant. °C.
  • How are polyacrylamide gels formed?
  • Polyacrylamide gels are formed by copolymerization of acrylamide monomer, CH2 =CH–CO–NH 2, and a cross-linking comonomer, N, N ′-methylenebisacrylamide, CH 2 =CH–CO–NH–CH 2 –NH–CO–CH=CH 2, (bisacrylamide) (Allen et al., 1984; Andrews, 1986; Chrambach, 1985; Chrambach and Rodbard, 1971; Hames, 1981).
  • 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.
  • How is polyacrylamide made?
  • Derivatives of polyacrylamide are typically made through partial hydrolysis of the amide bond linkages within the gel or through a process of transamidination carried out at elevated temperatures using amine-containing spacer arms or ligands.