期刊
REACTIVE & FUNCTIONAL POLYMERS
卷 69, 期 7, 页码 402-408出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.reactfunctpolym.2008.12.006
关键词
Comb copolymer; Janus; Poly(methyl vinyl ether) comb; Polystyrene comb; Micelle; AFM imaging; Single macromolecule
The synthesis of Janus like comb copolymers constituted of polystyrene and poly(methyl vinyl ether) branches attached to a diblock backbone has been achieved using living/controlled cationic and anionic building steps associated to grafting from and grafting onto coupling processes. These comb-b-comb structures behave as isolated objects in good solvents as well as when deposited on an appropriate substrate from a good solvent. In contrast, thanks to their amphiphilic Janus-like structure, they behave like linear diblock copolymers when placed in a selective solvent of one of the comb moieties, forming stable large spherical super-micelles that could be observed on mica support. (C) 2009 Elsevier Ltd. All rights reserved.
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