Journal
POLYMER SCIENCE SERIES B
Volume 49, Issue 9-10, Pages 232-235Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1560090407090059
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The conformational properties of macromolecules of chitosan and its copolymers with acrylamide in a mixed solvent 0.33 M CH3COOH + 0.3 M NaCl have been investigated by means of translation diffusion and viscometry. The copolymer macromolecules in a solvent suppressing polyelectrolyte effects possess a higher intracoil density (rho(av) = 0.010 g/cm(3)) than the chitosan macromolecules (rho(av) = 0.006 g/cm(3)), even though hydrodynamic radius R-h of chitosan is smaller by a factor of similar to 1.5.
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