Multiple Mice liar Morphologies from Tri- and Tetrablock Copoly(2-oxazoline)s in Binary Water-Ethanol Mixtures

被引：13
作者：
Fustin, Charles-Andre [2 ]
Thijs-Lambermont, Hanneke M. L. [1 ,3 ]
Hoeppener, Stephanie [1 ,4 ]
Hoogenboom, Richard [1 ,3 ]
Schubert, Ulrich S. [1 ,3 ,4 ]
Gohy, Jean-Francois [1 ,2 ]
机构：
[1] Eindhoven Univ Technol, Lab Macromol Chem & Nanosci, NL-5600 MB Eindhoven, Netherlands
[2] Catholic Univ Louvain, IMCN, B-1348 Louvain, Belgium
[3] Dutch Polymer Inst, NL-5612 AB Eindhoven, Netherlands
[4] Univ Jena, Lab Organ & Macromol Chem, D-07743 Jena, Germany
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2010年 / 48卷 / 14期
关键词：
amphiphiles; amphiphilic copolymers; micelles; morphology; poly(2-oxazoline); BLOCK-COPOLYMER MICELLES; SHELL-CORONA MICELLES; AMPHIPHILIC BLOCK; SOLVENT MIXTURES; POLYMERIZATION; MICELLIZATION; AGGREGATION; VESICLES; BEHAVIOR;
D O I：
10.1002/pola.24089
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We report on the micellization behavior of tri- and tetrablock copoly(2-oxazoline)s in water-ethanol mixtures. The copolymers are based on different combinations of 2-methyl-, 2-ethyl-, 2-phenyl-, and 2-nonyl-2-oxazoline. The solvophilic/solvophobic balance of these copolymers can be tuned thanks to the solubility dependence of the poly(2-phenyl-2-oxazoline) block on the solvent composition. Characterization of the obtained micelles by dynamic light scattering and transmission electron microscopy revealed that their size and morphology depend on the solvophobic content of the copolymers and on the block order. Spherical micelles are always obtained when poly(2-nonyl-2-oxazoline) is the only solvophobic block. When the solvophobic fraction consists of both the poly(2-phenyl-2oxazoline) and poly(2-nonyl-2-oxazoline) blocks, spherical and cylindrical micelles as well as vesicles have been observed. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 3095-3102, 2010
引用
收藏
页码：3095 / 3102
页数：8
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