Control of block copolymer morphology: An example of selective morphology induced by self-assembly formation condition

An example case of selective morphology by simply varying pH and heating profile based on a diblock copolymer, i.e., poly(N-isopropylacrylamide) (PNIPAAM) and poly[2-(dimethylamino)ethyl acrylate] (PDMAEA) is reported. A variation of pH induces an aggregation of the block copolymers in either micell...

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Published inJournal of polymer science. Part A, Polymer chemistry Vol. 47; no. 24; pp. 6783 - 6788
Main Authors Suchao-In, Natthaporn, De Bruyn, Hank, Perrier, Sébastien, Chirachanchai, Suwabun
Format Journal Article
LanguageEnglish
Published Wiley Subscription Services, Inc., A Wiley Company 15.12.2009
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Summary:An example case of selective morphology by simply varying pH and heating profile based on a diblock copolymer, i.e., poly(N-isopropylacrylamide) (PNIPAAM) and poly[2-(dimethylamino)ethyl acrylate] (PDMAEA) is reported. A variation of pH induces an aggregation of the block copolymers in either micelles or vesicles. In a subsequent step, temperature variation triggers the formation of vesicular structures. This demonstrates not only the temperature but also the heating rate that tunes the nanostructures from micelles to vesicles.
Bibliography:http://dx.doi.org/10.1002/pola.23718
ISSN:0887-624X
1099-0518
DOI:10.1002/pola.23718