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Journal of Analytical Chemistry

, Volume 74, Issue 11, pp 1122–1126 | Cite as

Chromatographic Analytical Control and Purification of Water-Soluble Carboxylated Copolymers Based on N-Vinylamides

  • V. D. KrasikovEmail author
  • M. S. Borisenko
  • I. I. Malakhova
  • N. I. Gorshkov
  • M. A. Bezrukova
  • M. V. Solovskii
ARTICLES
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Abstract

Chromatographic methods of analysis of the products of the radical copolymerization of random copolymers of N-vinyl-2-pyrrolidone and 6-crotonoyl aminohexanoic acid are developed and molecular characteristics of the copolymers are determined. A method is proposed for the purification of the obtained carboxylated water-soluble copolymers of monomeric hydrophobic acid impurities by low-pressure gel-permeation chromatography.

Keywords:

exclusion high-performance liquid chromatography gel-permeation chromatography thin-layer chromatography characteristic viscosity Mark–Kuhn–Howink–Sakurada constants molecular-weight characteristics N-vinyl pyrrolidone carboxylated water-soluble copolymers 

Notes

ACKNOWLEDGMENTS

This work was financially supported by the Program of Russian Science Foundation, grant no. 18-13-00324.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • V. D. Krasikov
    • 1
    Email author
  • M. S. Borisenko
    • 1
  • I. I. Malakhova
    • 1
  • N. I. Gorshkov
    • 1
  • M. A. Bezrukova
    • 1
  • M. V. Solovskii
    • 1
  1. 1.Institute of Macromolecular Compounds of the Russian Academy of SciencesSt. PetersburgRussia

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