Effects of shear flow on a polymeric bicontinuous microemulsion: Equilibrium and steady state behavior

Kasiraman Krishnan; Bryan Chapman; Frank S. Bates; Timothy P. Lodge; Kristoffer Almdal; Wesley R. Burghardt

doi:10.1122/1.1446883

Effects of shear flow on a polymeric bicontinuous microemulsion: Equilibrium and steady state behavior

Kasiraman Krishnan, Bryan Chapman, Frank S. Bates^*, Timothy P. Lodge, Kristoffer Almdal, Wesley R. Burghardt

^*Corresponding author for this work

Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

The effects of shear flow on a polymeric bicontinuous microemulsion were investigated using neutron scattering, light scattering, optical microscopy and rheology. Low strain amplitude oscillatory shear measurements revealed behavior similar to block copolymer lamellar phases just above the order-disorder transition. It was found that with the increase in shear rate, the sample resembled an immiscible binary polymer blend with the block copolymer playing no significant role while the stress increased strongly with the shear rate.

Original language	English (US)
Pages (from-to)	529-554
Number of pages	26
Journal	Journal of Rheology
Volume	46
Issue number	2
DOIs	https://doi.org/10.1122/1.1446883
State	Published - 2002

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The effects of shear flow on a polymeric bicontinuous microemulsion were investigated using neutron scattering, light scattering, optical microscopy and rheology. Low strain amplitude oscillatory shear measurements revealed behavior similar to block copolymer lamellar phases just above the order-disorder transition. It was found that with the increase in shear rate, the sample resembled an immiscible binary polymer blend with the block copolymer playing no significant role while the stress increased strongly with the shear rate.",

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AB - The effects of shear flow on a polymeric bicontinuous microemulsion were investigated using neutron scattering, light scattering, optical microscopy and rheology. Low strain amplitude oscillatory shear measurements revealed behavior similar to block copolymer lamellar phases just above the order-disorder transition. It was found that with the increase in shear rate, the sample resembled an immiscible binary polymer blend with the block copolymer playing no significant role while the stress increased strongly with the shear rate.

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Effects of shear flow on a polymeric bicontinuous microemulsion: Equilibrium and steady state behavior

Abstract

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