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Highly branched radial block copolymers via dendritic initiation of aliphatic polyesters
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Coating Technology.
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1998 (English)In: Journal of Polymer Science Part A: Polymer Chemistry, ISSN 0887-624X, E-ISSN 1099-0518, Vol. 36, 2793-2798 p.Article in journal (Refereed) Published
Abstract [en]

Living ring opening polymerization of epsilon-caprolactone initiated from the numerous chain-end hydroxymethyl groups of the analogous dendrimeric and hyperbranched polyesters derived from 2,2-bis(hydroxymethyl) propionic acid is described. By controlling the size of the dendritic macromolecule and the molar ratio of epsilon-caprolactone, a variety of highly branched radial block copolymers are obtained. Comparison of the results obtained for the dendrimeric and hyperbranched initiators demonstrates that the reactivity of the chain-end hydroxymethyl groups in the dendrimer are significantly greater than in the isomeric hyperbranched case. (C) 1998 John Wiley & Sons, Inc.

Place, publisher, year, edition, pages
1998. Vol. 36, 2793-2798 p.
Keyword [en]
highly branched radial block copolymers; dendritic initiation; alipatic polyesters
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-76083DOI: 10.1002/(SICI)1099-0518(19981115)36:15<2793::AID-POLA16>3.0.CO;2-MOAI: oai:DiVA.org:kth-76083DiVA: diva2:490777
Note
NR 20140805Available from: 2012-02-06 Created: 2012-02-06 Last updated: 2017-12-08Bibliographically approved

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