Degradation versus self-assembly of block copolymer micelles

Details Degradation versus self-assembly of block copolymer micelles Degradation versus self-assembly of block copolymer micelles

2012-02-10

arxiv.org/abs/1202.2303v1

Physics

Condensed Matter

Soft Condensed Matter

Published in Langmuir http://pubs.acs.org/doi/pdf/10.1021/la204625p

Scientific paper

10.1021/la204625p

The stability of micelles self-assembled from block copolymers can be altered by the degradation of the blocks. Slow degradation shifts the equilibrium size distribution of block copolymer micelles and change their properties. Quasi-equilibrium scaling theory shows that the degradation of hydrophobic blocks in the core of micelles destabilize the micelles reducing their size, while the degradation of hydrophilic blocks forming coronas of micelles favors larger micelles and may, at certain conditions, induce the formation of micelles from individual chains.

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