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Issue 6, 2013
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Self-assembled structures in block copolymer/graft copolymer blends with hydrogen bonding interaction

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Abstract

The effect of hydrogen bonding on the phase behavior of PS-based block copolymer and poly(styrene-graft-acrylic acid) (PS-g-PAA) blends was investigated. The presence of hydrogen bonding enhanced the compatibility of two copolymers. This caused PS-g-PAA to intervene in the interface between microdomains of the block copolymer. Consequently, an order–disorder transition occurred at a high concentration of PS-g-PAA. On the other hand, poor miscibility and the lack of hydrogen bonding in the blends prevented PS-g-PAA from being incorporated into microdomains of the block copolymer, causing the macrophase separation of two copolymers.

Graphical abstract: Self-assembled structures in block copolymer/graft copolymer blends with hydrogen bonding interaction

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Supplementary files

Article information


Submitted
05 Nov 2012
Accepted
06 Dec 2012
First published
14 Dec 2012

Soft Matter, 2013,9, 1756-1760
Article type
Communication

Self-assembled structures in block copolymer/graft copolymer blends with hydrogen bonding interaction

Y. Chen and C. Lo, Soft Matter, 2013, 9, 1756
DOI: 10.1039/C2SM27545G

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