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Phase-Segregated Dendrigraft Copolymer Architectures
DICIVA, Department of Environmental Sciences, University of Guanajuato/Ex-Hda. El Copal, Km. 9, Carretera Irapuato-Silao, Mexico
Department of Chemistry, University of Waterloo, 200 University Ave. West, Waterloo, Ontario N2L 3G1, Canada
* Author to whom correspondence should be addressed.
Received: 9 November 2010; in revised form: 15 November 2010 / Accepted: 24 November 2010 / Published: 25 November 2010
Abstract: Dendrigraft polymers have a multi-level branched architecture resulting from the covalent assembly of macromolecular building blocks. Most of these materials are obtained in divergent (core-first) synthetic procedures whereby the molecule grows outwards in successive grafting reactions or generations. Two main types of dendrigraft polymers can be identified depending on the distribution of reactive sites over the grafting substrate: Arborescent polymers have a large and variable number of more or less uniformly distributed sites, while dendrimer-like star polymers have a lower but well-defined number of grafting sites strictly located at the ends of the substrate chains. An overview of the synthesis and the characterization of dendrigraft copolymers with phase-segregated morphologies is provided in this review for both dendrigraft polymer families. The tethering of side-chains with a different composition onto branched substrates confers unusual physical properties to these copolymers, which are highlighted through selected examples.
Keywords: graft copolymers; dendritic; dendrigraft; arborescent; dendrimer-like; core-shell; core-shell-corona
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Cite This Article
MDPI and ACS Style
Cadena, L.-E.; Gauthier, M. Phase-Segregated Dendrigraft Copolymer Architectures. Polymers 2010, 2, 596-622.
Cadena L-E, Gauthier M. Phase-Segregated Dendrigraft Copolymer Architectures. Polymers. 2010; 2(4):596-622.
Cadena, Lorena-Eugenia Sanchez; Gauthier, Mario. 2010. "Phase-Segregated Dendrigraft Copolymer Architectures." Polymers 2, no. 4: 596-622.