Nonlinear viscoelasticity of wormlike micelles (and other reversibly breakable polymers)

Journal Article · Wed Jan 10 23:00:00 EST 1990 · Journal of Physical Chemistry; (USA)

DOI:https://doi.org/10.1021/j100364a063· OSTI ID:6948917

Cates, M E ^[1]

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1. Cavendish Laboratory, Cambridge (England)

A model, previously introduced to describe the linear dynamics of entangled, reversibly breakable polymers, is extended to describe nonlinear effects. This extension of the model requires that (1) the nonlinear effects of a flow enter solely through its influence on polymer diffusion (not through any direct effect on the reaction rates for chain scission and recombination processes) and (2) the stress is dominated by polymer entropy contributions. With these assumptions, the viscoelastic functions are predicted to closely resemble those of the Doi-Edwards/Marrucci theory for monodisperse unbreakable polymers. The status of each assumption is discussed, with reference to recent experiments on viscoelastic solutions of polymer-like surfactant micelles.

• OSTI ID: 6948917
• Journal Information: Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 94:1; ISSN 0022-3654; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
CALCULATION METHODS
DATA
ELASTICITY
INFORMATION
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
MICELLAR SYSTEMS
NUMERICAL DATA
POLYMERS
TENSILE PROPERTIES
THEORETICAL DATA
VISCOSITY