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 | |
| State | Published - Feb 12 2008 |
All Science Journal Classification (ASJC) codes
- Organic Chemistry
- Polymers and Plastics
- Inorganic Chemistry
- Materials Chemistry
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