Preparation and characterization of a chemically sulfated cashew gum polysaccharide

-1 . The degrees of substitution were 0.02, 0.24 and 0.88 determined from the sulfur percentage. 1D and 2D nuclear magnetic resonance (NMR) data showed that the sulfation occurred at primary carbons. An increase of at least 4% of the solution viscosity was observed due to sulfation. The thermal gravimetric curves (TGA) indicate that the derivatives are stable up to ca. 200 °C. The sulfated CG is compared to carboxymethylated CG in order to verify the possibility of the use of the former in the preparation of polyelectrolyte complexes; the latter is already being used for this application.

• Publication year

  2011

• Venue

  Journal of the Brazilian Chemical Society

• Publication date

  2011-10-01

• Fields of study

  Materials Science, Chemistry

• Identifiers
  DOI 10.1590/S0103-50532011001000017
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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