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Weighted intrinsic viscosity relationships for polysaccharide mixtures in dilute aqueous solutions
Author(s) -
Weaver L.,
Yu L. P.,
Rollings J. E.
Publication year - 1988
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1988.070350618
Subject(s) - branching (polymer chemistry) , aqueous solution , intrinsic viscosity , polymer , polysaccharide , mass fraction , thermodynamics , viscosity , materials science , fraction (chemistry) , polymer science , polymer chemistry , chemistry , chemical engineering , organic chemistry , physics , engineering
The weighted intrinsic viscosities of polysaccharide mixtures in dilute aqueous solutions have been studied. The purpose of this investigation is to demonstrate that average intrinsic viscosities would scale with the weight fraction of the individual components for polysaccharide mixtures in 0.5 N NaOH (aq) . The polysaccharides examined in this study were composed of polymers differing in their molecular weights, degree of branching, and bond linkages. Excellent agreement between theory and experiment was observed for the three different mixed polymer systems examined. This observation validates certain aspects of proposed theoretical treatments which employ this fundamental assumption and allows for further advances in experimental analytical developments of water‐soluble polymer systems.