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The effect of degree of branching on the rheological and thermal properties of hyperbranched aliphatic polyethers
KTH, Superseded Departments, Polymer Technology.
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0002-8348-2273
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0002-9372-0829
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0003-3201-5138
2002 (English)In: Polymer, ISSN 0032-3861, E-ISSN 1873-2291, Vol. 43, no 2, 301-306 p.Article in journal (Refereed) Published
Abstract [en]

A series of hyperbranched aliphatic polyethers with different degree of branching (DB) and molecular weights have been studied with respect to their rheological and thermal properties. The DB was shown to affect the ability of the polymers to crystallize and thereby also the rheological properties of the polymers. A low DB resulted in semi-crystalline polymers with melting points between 100 and 130 degreesC. The polymers with a higher DB were essentially amorphous and behaved as non-entangled Newtonian liquids in the molten state.

Place, publisher, year, edition, pages
2002. Vol. 43, no 2, 301-306 p.
Keyword [en]
hyperbranched, dendritic, rheology, ring-opening polymerization, dendritic polymers, polyesters, blends, dendrimers
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-21092DOI: 10.1016/S0032-3861(01)00620-6ISI: 000172113500006OAI: oai:DiVA.org:kth-21092DiVA: diva2:339789
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Malmström, EvaHult, AndersJohansson, Mats K. G.

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