nonionic polyacrylamide non-ionic polyacrylamide/npam at chile

nonionic polyacrylamide non-ionic polyacrylamide/npam at chile
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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.
  • Is polyacrylamide a water soluble polymer?
  • Polyacrylamide (PAM) is a linear water-soluble polymer with high molecular weight [ 7 ]. It has been widely used as a flocculant in industrial wastewater to aid solid–liquid separation [ 8, 9 ].
  • How to control NPAM molecular weight?
  • The NPAM molecular weight can be controlled by adjusting these factors. The decisive factor is the acrylamide concentration, whereas the initiator concentration and feeding temperature are secondary factors. These synthetic NPAMs can be crosslinked with zirconium acetate to produce a gel fracturing fluid for use in low permeability oil reservoirs.
  • What are the different types of polyacrylamide adsorption polarities?
  • Specifically, it can be divided into non-ionic polyacrylamide (NPAM), anionic polyacrylamide (APAM), and cationic polyacrylamide (CPAM). C 3 H 7 ON, C 3 H 6 O 2, and C 5 H 9 O 2 N + are the basic structural units of these PAM, resulting in different adsorption polarities [ 12, 13 ].