Chemistry of Natural Compounds

, Volume 47, Issue 2, pp 185–189 | Cite as

Synthesis and physicochemical properties of cationic starches

  • S. M. Butrim
  • T. D. Bil’dyukevich
  • N. S. Butrim
  • T. L. Yurkshtovich
Article

The reaction kinetics of an aqueous suspension of potato starch, various amounts of NaOH, and cationic 3-chloro-2-hydroxypropyltrimethylammonium (chloride) were studied in detail. It was found that the compositions of the sparsely substituted cationic starch ethers and the efficiency of the reaction depended strongly on the ratio of components in the alkylating mixture. The physicochemical properties of the synthesized samples were studied using chemical analysis, scanning electron microscopy, x-ray structure analysis, and thermogravimetry. It was shown that the temperature regime of the reaction had a determining influence on the thermal stability and structural changes of the cationic starch derivative.

Keywords

cationic starch derivative kinetics reaction efficiency degree of substitution diffraction patterns thermal destruction 

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Copyright information

© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  • S. M. Butrim
    • 1
  • T. D. Bil’dyukevich
    • 1
  • N. S. Butrim
    • 1
  • T. L. Yurkshtovich
    • 1
  1. 1.Scientific Research Institute of Physical Chemical ProblemsBelarusian State UniversityMinskBelarus

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