Viscosity of Wormlike Micelles: Determination of the End Cap Energy and Persistence Length | Zendy

Alexander Duyndam | Zendy; Theo Odijk | Zendy

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Viscosity of Wormlike Micelles: Determination of the End Cap Energy and Persistence Length

Author(s) -

Alexander Duyndam,

Theo Odijk

Publication year - 1996

Publication title -

langmuir

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.042

H-Index - 333

eISSN - 1520-5827

pISSN - 0743-7463

DOI - 10.1021/la960304s

Subject(s) - persistence length , micelle , viscosity , persistence (discontinuity) , thermodynamics , chemistry , pulmonary surfactant , shear (geology) , materials science , physics , polymer , composite material , aqueous solution , organic chemistry , geotechnical engineering , engineering

We propose a theory for the zero-shear viscosity of a dilute solution of wormlike micelles, with a length distribution as derived by Israelachvili, Mitchell, and Ninham. An analytical approach using Bohdanecký's approximation to the full Yamakawa−Fujii−Yoshizaki description (YFY) for the viscosity of wormlike objects is combined with a numerical integration of the YFY equations. In principle, this provides a convenient means of extracting the growth parameters, dimensions, and persistence length of linear micelles from measurements of the viscosity as a function of the surfactant concentration.

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