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Swelling properties of particles in amphoteric polyacrylamide dispersion

  • Chuanxing Wang EMAIL logo , Jun Xu , Jun Zhang and Yumin Wu
Published/Copyright: March 16, 2011
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Chemical Papers
From the journal Chemical Papers Volume 65 Issue 3

Abstract

Swelling properties of amphoteric polyacrylamide (AmPAM) dispersions were investigated by measurements of apparent viscosity and particle morphology. AmPAM dispersion was prepared by dispersion polymerization in aqueous solution of ammonium sulphate. Changes of particles during dispersion polymerisation of AmPAM were simulated and compared with anionic and cationic polyacrylamide (APAM and CPAM, respectively). Sample viscosity and particle morphology were obtained using a rotational viscometer and optical microscope. It was found that small molecules or ions enter and swell particles in the AmPAM dispersion when (NH4)2SO4 concentration decreases. Similarly, monomers, including acrylamide, acrylic acid, and methacrylatoethyl trimethyl ammonium chloride, have the same effects on the AmPAM dispersion but the effect degree is different. Swelling properties of the AmPAM dispersion were different from those of the APAM and CPAM dispersions due to their different ionic nature, type of stabiliser, media, etc. Particles in the APAM or CPAM dispersions were swelled less than those in the AmPAM dispersion.

Keywords: swelling property; dispersion polymerisation; amphoteric polyacrylamide; ionic polyacrylamide

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Published Online: 2011-3-16
Published in Print: 2011-6-1

© 2011 Institute of Chemistry, Slovak Academy of Sciences

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https://doi.org/10.2478/s11696-011-0012-7
Keywords for this article
swelling property; dispersion polymerisation; amphoteric polyacrylamide; ionic polyacrylamide

Articles in the same Issue

  1. Steam-reforming of ethanol for hydrogen production
  2. Polymeric ionic liquid as a background electrolyte modifier enhancing the separation of inorganic anions by capillary electrophoresis
  3. Enantioselective extraction of terbutaline enantiomers with β-cyclodextrin derivatives as hydrophilic selectors
  4. Effective photocatalytic degradation of an azo dye over nanosized Ag/AgBr-modified TiO2 loaded on zeolite
  5. Photocatalytically-assisted electrochemical degradation of p-aminophenol in aqueous solutions using zeolite-supported TiO2 catalyst
  6. Spectroscopic investigations and physico-chemical characterization of newly synthesized mixed-ligand complexes of 2-methylbenzimidazole with metal ions
  7. Synthesis, molecular characterisation, and in vivo study of platinum(IV) coordination compounds against B16 mouse melanoma tumours
  8. Swelling properties of particles in amphoteric polyacrylamide dispersion
  9. Electronic structures and spectroscopic regularities of phenylene-modified SWCNTs
  10. An expeditious, environment-friendly, and microwave-assisted synthesis of 5-isatinylidenerhodanine derivatives
  11. Pd-catalysed conjugate addition of arylboronic acids to α,β-unsaturated ketones under microwave irradiation
  12. Regioselective N-alkylation of (2-chloroquinolin-3-yl) methanol with N-heterocyclic compounds using the Mitsunobu reagent
  13. Antimycobacterial 3-phenyl-4-thioxo-2H-1,3-benzoxazine-2(3H)-ones and 3-phenyl-2H-1,3-benzoxazine-2,4(3H)-dithiones substituted on phenyl and benzoxazine moiety in position 6
  14. Polar constituents of Ligustrum vulgare L. and their effect on lipoxygenase activity
  15. Solubility of methane in pure non-ionic surfactants and pure and mixtures of linear alcohols at 298 K and 101.3 kPa
  16. Theoretical studies on polynitrobicyclo[1.1.1]pentanes in search of novel high energy density materials
  17. Insight into the degradation of a manganese(III)-citrate complex in aqueous solutions
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