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Thiol-ene networks and reactive surfaces via photoinduced polymerization of allyl ether functional hyperbranched polymers
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-8348-2273
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0003-3201-5138
2010 (English)In: Progress in organic coatings, ISSN 0300-9440, E-ISSN 1873-331X, Vol. 67, no 3, 348-355 p.Article in journal (Refereed) Published
Abstract [en]

A series of allyl ether functionalized hyperbranched (HB) polyester of three generations was synthesized from commercially available Boltorn (R). These modified HB polymers were homopolymerized to form films with a large number of residual allyl ether groups available for post film formation reactions. Additionally, the polyester Multifunctional molecules were cured with a di and tetrathiol monomer in a one to one molar ratio to determine the effect of conversion on the resulting network thermal and physical properties. The same UV-cure chemistries were carried out with a similar second generation polyester dendrimer for comparison. This was in an effort to determine if there is any significant difference in the film chemical conversion and properties with dendrimers in comparison to HB molecules. The highly crosslinked films were obtained and characterized with respect to physical (DMTA) and thermal (DSC and TGA) properties. (C) 2009 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2010. Vol. 67, no 3, 348-355 p.
Keyword [en]
Hyperbranched molecules, Dendrimers, Thiol-ene networks, Conversion, Thermal transitions
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-28421DOI: 10.1016/j.porgcoat.2009.10.023ISI: 000275617900018Scopus ID: 2-s2.0-75749125300OAI: oai:DiVA.org:kth-28421DiVA: diva2:388394
Funder
Swedish Research Council
Note

QC 20110117

Available from: 2011-01-17 Created: 2011-01-14 Last updated: 2017-12-11Bibliographically approved

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Malmström, EvaJohansson, Mats

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