what is polyacrylamide definition from petropedia in brazil

what is polyacrylamide definition from petropedia in brazil
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  • Why is polyacrylamide not a polyamide?
  • It can be viewed as polyethylene with amide substituents on alternating carbons. Unlike various nylons, polyacrylamide is not a polyamide because the amide groups are not in the polymer backbone. Owing to the presence of the amide (CONH 2) groups, alternating carbon atoms in the backbone are stereogenic (colloquially: chiral).
  • What is polyacrylamide polymer?
  • It is composed of acrylamide monomers, hence its name. The characteristics of PAM vary greatly depending on the level of polymerisation, making it an extremely versatile compound. Polyacrylamide is a linear polymer chain with recurring acrylamide subunits.
  • Is polyacrylamide soluble in water?
  • polyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C 3 H 5 NO), a compound obtained by the hydration of acrylonitrile.
  • Is polyacrylamide contaminated with acrylamide?
  • Polyacrylamide is of low toxicity but its precursor acrylamide is a neurotoxin and carcinogen. Thus, concerns naturally center on the possibility that polyacrylamide is contaminated with acrylamide. Considerable effort is made to scavenge traces of acrylamide from the polymer intended for use near food.