preparation and properties of amphoteric polyacrylamide in netherlands

preparation and properties of amphoteric polyacrylamide in netherlands
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  • What is amphoteric polyacrylamide (ampam)?
  • agents for enhanced oil recovery, drainage, and retention aids in the paper manufacturer, etc.[1–5] Amphoteric polyacrylamide (AmPAM) [6,7] carries anionic and cationic charge group on the polymer back-bone, which can adsorb both organic and inorganic sus-pension substances.
  • How to synthesize amphoteric polyacrylamide flocculants?
  • Copolymerization of AM with various functional monomers or betaine-based monomers is also a general way to synthesize amphoteric polyacrylamide flocculants. Zhu et al. used amphoteric polyacrylamide (AmPAM) obtained by the copolymerization of AM, AA and methyl acrylic acid ethyl trimethyl chloride ammonium for treating tannery wastewater [ 77 ].
  • Are amphoteric polyacrylamide-based nanocomposites prepared by in-situ free radical polymerization?
  • In this work, amphoteric polyacrylamide-based nanocomposites were successfully prepared by in-situ free radical polymerization. Acrylamide provided flexible polymeric backbone and sodium 4-styrenesulfonate was beneficial to strengthen the proprieties of salt tolerance and temperature resistance.
  • Why is amphoteric polyacrylamide soluble in water?
  • Amphoteric polyacrylamide has both positive and negative charge groups, which has good water solubility. The anion group can protect the cation group and repel the “impurity anion” in the pulp system, so that the cation group will not be reacted or neutralized too early.