Physico-chemical studies of polymeric carriers - 6. Ultracentrifugal molecular weight determination of a polyacid

Éva Csákvári, Lászió Korecz, Mária Azori, Ferenc Tüdős

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Abstract

Ultracentrifugal studies were made on poly/1-vinyl-2-pyrrolidone-co-maleic acid/ samples eliminating the polyelectrolyte character of the polyacid. Molecular weight values were evaluated from sedimentation-diffusion equilibrium measurements. Good correlation was found between weight average molecular weight values obtained from the equilibrium measurements and those evaluated viscometrically, applying the Mark-Houwink equation determined earlier.

Original languageEnglish
Pages (from-to)557-562
Number of pages6
JournalPolymer Bulletin
Volume17
Issue number6
DOIs
Publication statusPublished - Jun 1987

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ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

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