Rheo-NMR of wormlike micelles formed from nonionic pluronic surfactants

被引：20

作者：

Douglass, Bradley S. ^{[1
]}

Colby, Ralph H. ^{[2
]}

Madsen, Louis A. ^{[3
]}

Callaghan, Paul T. ^{[1
]}

机构：

[1] Victoria Univ Wellington, Sch Chem & Phys Sci, MacDiarmid Inst Adv Mat & Nanotechnol, Wellington, New Zealand

[2] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

[3] Virginia Polytech Inst & State Univ, Dept Chem, Blacksburg, VA 24061 USA

来源：

MACROMOLECULES | 2008年 / 41卷 / 03期

关键词：

D O I：

10.1021/ma071807f

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Using a range of techniques combining theology 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 1-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.

引用

页码：804 / 814

页数：11

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