Formation of tethered polyacrylic acid loops in core-shell Micelles

Michael R. Whittaker; Carl N. Urbani; Michael J. Monteiro

doi:10.1021/la700724h

Formation of tethered polyacrylic acid loops in core-shell Micelles

Michael R. Whittaker, Carl N. Urbani, Michael J. Monteiro

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

9 Citations (Scopus)

Abstract

Well-defined amphiphilic four-arm star P(AA-b-STY) block copolymers have been dispersed in water to form core-shell micelles in which the shell consists of tethered PAA loops. The entropie penalty for having such loops resulted in a less densely packed PSTY core when compared to linear diblock copolymers of the same arm length. The surface of the shell is irregular because of the tethering points, but when cleaved the PAA chains extend to form a regular and relatively uniform corona.

Original language	English
Pages (from-to)	7887-7890
Number of pages	4
Journal	Langmuir
Volume	23
Issue number	15
DOIs	https://doi.org/10.1021/la700724h
Publication status	Published - 17 Jul 2007
Externally published	Yes

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10.1021/la700724h

Link to publication in Scopus

Cite this

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abstract = "Well-defined amphiphilic four-arm star P(AA-b-STY) block copolymers have been dispersed in water to form core-shell micelles in which the shell consists of tethered PAA loops. The entropie penalty for having such loops resulted in a less densely packed PSTY core when compared to linear diblock copolymers of the same arm length. The surface of the shell is irregular because of the tethering points, but when cleaved the PAA chains extend to form a regular and relatively uniform corona.",

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AB - Well-defined amphiphilic four-arm star P(AA-b-STY) block copolymers have been dispersed in water to form core-shell micelles in which the shell consists of tethered PAA loops. The entropie penalty for having such loops resulted in a less densely packed PSTY core when compared to linear diblock copolymers of the same arm length. The surface of the shell is irregular because of the tethering points, but when cleaved the PAA chains extend to form a regular and relatively uniform corona.

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