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  • What are the applications of non ionic polyacrylamide?
  • Three major applications have become established: retention, water treatment (from save-all to effluent plant) and as a dry strength resin. Non-ionic polyacrylamides, although somewhat effective as retention aids, are essentially non-substantive to fibres.
  • Does poly (N-vinylformamide) provide wet strength?
  • Poly (N-vinylformamide) (PNVF) was found [ 16] to provide a degree of dry strength without any contribution to wet strength. When PNVF is hydrolysed, either partially or fully, a cationic charge is developed on the molecule as polyvinylamines are formed.
  • Can GPAM resin be used as a paper-strengthening agent?
  • When these GPAM resins were used as paper-strengthening agents, the mechanical strength of the paper was remarkably enhanced, and the dry and wet tensile indices of the handsheets increased by 24.6 and 381%, respectively, compared with those of handsheets without GPAM. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2012
  • What is a polyacrylamide in papermaking?
  • In the 1950s a new family of papermaking additives was developed – polyacrylamides . Polyacrylamides are made by polymerising acrylamide solution using free-radical catalysts, to form a linear, non-ionic polymer .