Viscoelastic Properties of Polyelectrolyte Solutions. 2. Steady-State Compliance

Masayoshi Yamaguchi, Michio Wakutsu, Yoshiaki Takahashi, Ichiro Noda

研究成果: Contribution to journalArticle査読

18 被引用数 (Scopus)

抄録

Steady-state compliance Je of polyelectrolyte solutions was measured in the presence and absence of added salt. In dilute regions, Je depends on molecular weight M, polymer concentration C, and concentration of added salt Cs. The M and C dependences are much stronger than that of nonionic polymers as given by Je ∝ M-2C-3C5. In entangled regions, on the other hand, Je depends on C only in the same manner as for that of nonionic polymer solutions, but the concentration dependence is weaker than that of nonionic polymers as given by Je ∝ C-1.3. Moreover, the polymer concentration dependence of the weight-average relaxation time τw defined as the product of zero-shear viscosity η0 and Je is found to increase with increasing Cs in semidilute regions for η0 and entangled regions for Je. These features of Je and τw in entangled regions can be explained by the same model as for zero-shear viscosity in Part 1.

本文言語英語
ページ(範囲)475-478
ページ数4
ジャーナルMacromolecules
25
1
DOI
出版ステータス出版済み - 1 1 1992
外部発表はい

All Science Journal Classification (ASJC) codes

  • 有機化学
  • ポリマーおよびプラスチック
  • 無機化学
  • 材料化学

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