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Lookup NU author(s): Alex Jackson,
Dr David Fulton
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Aldehyde- or alkoxyamine-containing trithiocarbonate chain transfer agents were prepared and used to mediate the synthesis of a series of polymers end-functionlized with either aldehyde or alkoxyamines functions, utilizing reversible addition-fragmentation polymerization techniques. Aldehyde end-functionalized polymers were shown to link through reversible oxime bond formation with alkoxyamine end-funtionalized polymers forming diblock copolymers. The dynamic nature of the oxime bond linking these polymer blocks together was demonstrated through a simple exchange reaction with a small molecule alkoxyamine. A diblock copolymer prepared from the self-assembly of an aldehyde end-functionalized polyisoprenc with an alkoxyamine end-functionalized polystyrene was shown to undergo further hierarchical self-assembly into micellar aggregates in DMF. It was shown that the addition of an excess of a small molecule alkoxyamine triggered the disassembly of these micelles.
Author(s): Jackson AW, Fulton DA
Publication type: Article
Publication status: Published
Print publication date: 01/01/2010
ISSN (print): 0024-9297
ISSN (electronic): 1520-5835
Publisher: American Chemical Society
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