Self-Assembly Behavior of Bis(terpyridine) and Metallo-bis(terpyridine) Pluronics in Dilute Aqueous Solutions

被引：20
作者：
Chiper, Manuela [1 ]
Hoeppener, Stephanie [2 ]
Schubert, Ulrich S. [2 ]
Fustin, Charles-Andre [1 ]
Gohy, Jean-Francois [1 ]
机构：
[1] Catholic Univ Louvain, Inst Condensed Matter & Nanosci IMCN, B-1348 Louvain, Belgium
[2] Univ Jena, Lab Organ & Macromol Chem, D-07743 Jena, Germany
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2010年 / 211卷 / 21期
关键词：
metallo-supramolecular copolymers; micelles; pluronics; terpyridine; water-soluble polymers; OXIDE)-POLY(PROPYLENE OXIDE)-POLY(ETHYLENE OXIDE); TRIBLOCK COPOLYMERS; BLOCK-COPOLYMERS; METAL; MACROMOLECULES; MICELLES; POLYMERS; DYNAMICS; WATER;
D O I：
10.1002/macp.201000484
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Bis(terpyridine) and metallo-bis(terpyridine) Pluronics have been synthesized starting from commercially available P105 and P123 hydroxytelechelic Pluronics. The grafting of terpyridine ligands at the extremity of the Pluronic chains results in the further association of the Pluronic micelles in water. Increasing temperature decreases the solubility of the Pluronics, but also increases the solubility of the terpyridine groups. The addition of 0.5 equiv. nickel(II) ions compared to terpyridine groups induces the formation of bis(terpyridine) nickel(II) complexes and disrupts the initial hydrophobic terpyridine aggregates. In that case, formation of flower-like micelles in which the coronal chains form loops due to the terpyridine nickel(II) complexes is observed in the dilute regime.
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收藏
页码：2323 / 2330
页数：8
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