Molecular characteristics of cellulose tributyrate according to results of light scattering and hydrodynamic properties of solutions

  • Skazka V
  • Lyubina S
  • Tarasova G
 et al. 
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It was shown by light scattering that cellulose tributyrate (CTB) molecules have increased rigidity. The size of the Kuhn segment reaches 200 Å in methylethyl ketone and 140 Å in bromoform. The conformation of CTB molecules in solution in the range of molecular weights studied corresponds to the conformation of a Gaussian sphere, which is characterized by the flow effect caused by a considerable equilibrium rigidity of the macromolecular chain of CTB. Molecular chain diameters of CTB calculated from experimental results are correlated with values obtained previously from hydrodynamic results. © 1977.

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  • V. S. Skazka

  • S. Ya Lyubina

  • G. V. Tarasova

  • S. I. Klenin

  • V. N. Tsvetkov

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