Rheo-NMR of wormlike micelles formed from nonionic pluronic surfactants

Bradley S. Douglass; Ralph H. Colby; Louis A. Madsen; Paul T. Callaghan

doi:10.1021/ma071807f

Rheo-NMR of wormlike micelles formed from nonionic pluronic surfactants

Bradley S. Douglass, Ralph H. Colby, Louis A. Madsen, Paul T. Callaghan

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

20 Scopus citations

Abstract

Using a range of techniques combining rheology and magnetic resonance, we here investigate the flow and alignment properties of wormlike micelles formed by a 5% w/w solution of the BASF difunctional block copolymer nonionic surfactant, Pluronic P105 in water along with 4.3% w/v l-phenylethanol-d ₅. A variety of shear-banding and alignment behaviors are observed, along with both stable and fluctuating flows. These strongly depend upon both temperature and applied shear rate. The deuterium-labelled alcohol enables study of alignment from quadrupole splitting, using a Hankel transform in the cylindrical geometry of our rheo-NMR cell.

Original language	English (US)
Pages (from-to)	804-814
Number of pages	11
Journal	Macromolecules
Volume	41
Issue number	3
DOIs	https://doi.org/10.1021/ma071807f
State	Published - Feb 12 2008

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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10.1021/ma071807f

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abstract = "Using a range of techniques combining rheology and magnetic resonance, we here investigate the flow and alignment properties of wormlike micelles formed by a 5% w/w solution of the BASF difunctional block copolymer nonionic surfactant, Pluronic P105 in water along with 4.3% w/v l-phenylethanol-d 5. A variety of shear-banding and alignment behaviors are observed, along with both stable and fluctuating flows. These strongly depend upon both temperature and applied shear rate. The deuterium-labelled alcohol enables study of alignment from quadrupole splitting, using a Hankel transform in the cylindrical geometry of our rheo-NMR cell.",

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AU - Callaghan, Paul T.

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N2 - Using a range of techniques combining rheology and magnetic resonance, we here investigate the flow and alignment properties of wormlike micelles formed by a 5% w/w solution of the BASF difunctional block copolymer nonionic surfactant, Pluronic P105 in water along with 4.3% w/v l-phenylethanol-d 5. A variety of shear-banding and alignment behaviors are observed, along with both stable and fluctuating flows. These strongly depend upon both temperature and applied shear rate. The deuterium-labelled alcohol enables study of alignment from quadrupole splitting, using a Hankel transform in the cylindrical geometry of our rheo-NMR cell.

AB - Using a range of techniques combining rheology and magnetic resonance, we here investigate the flow and alignment properties of wormlike micelles formed by a 5% w/w solution of the BASF difunctional block copolymer nonionic surfactant, Pluronic P105 in water along with 4.3% w/v l-phenylethanol-d 5. A variety of shear-banding and alignment behaviors are observed, along with both stable and fluctuating flows. These strongly depend upon both temperature and applied shear rate. The deuterium-labelled alcohol enables study of alignment from quadrupole splitting, using a Hankel transform in the cylindrical geometry of our rheo-NMR cell.

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Rheo-NMR of wormlike micelles formed from nonionic pluronic surfactants

Abstract

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