Preparation of graft copolymers with cerium ions (IV)

  • Zh. Nurpeissova al-Farabi Kazakh National University
  • Rauash Mangazbayeva al-Farabi Kazakh National University
  • Erengaip Shaikhutdinov al-Farabi Kazakh National University
  • Vitaliy V. Khutoriyanskiy University of Reading, Reading
DOI: https://doi.org/10.15328/chemb_2013_227-33
Keywords: methylcellulose, acrylic acid, graft copolymer, cerium ions (IV), the degree of grafting, the grafting efficiency, thermodecomposition

Abstract

In this work, water-soluble copolymers based on methyl cellulose (MC) and acrylic acid (AA) with the use of a redox initiator ions of cerium (IV) were synthesized. The composition of the copolymers obtained was studied by reverse potentiometric titration; it was shown that the increasing of acrylic acid in the initial mixture, increases graft acrylic units in the polysaccharide chain. From the spectra absorption lines of carboxyl and ether groups were identified, it was proved that the copolymer composition consists of two components. Also thermal conversion processes and interstructural bonds of graft copolymers of various compositions were investigated by methods of differential thermogravimetric analysis and scanning calorimetry. The decomposition temperature of methylcellulose and acrylic acid was defined in the system, and it was shown that different glass transition temperatures corresponds to each composition.

References

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Published
2013-05-14
How to Cite
Nurpeissova, Z., Mangazbayeva, R., Shaikhutdinov, E., & Khutoriyanskiy, V. (2013). Preparation of graft copolymers with cerium ions (IV). Chemical Bulletin of Kazakh National University, 70(2), 27-33. https://doi.org/https://doi.org/10.15328/chemb_2013_227-33
Issue
Vol 70 No 2 (2013): Chemical Bulletin of Kazakh National University
Section
Organic and Polymers Chemistry
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