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Synthesis and characterization of a lactic acid-based thermoset resin suitable for structural composites and coatings
University of Borås, School of Engineering.
University of Borås, School of Engineering.
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2009 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 115, no 1, 480-486 p.Article in journal (Refereed) Published
Abstract [en]

A new biobased polyester resin was developed for thermoset composite applications. The resin is potentially inexpensive and can be produced industrially by relatively simple means. The resin consists of star-shaped methacrylated oligomers of lactic acid (LA). LA oligomers were synthesized in a two-step process: in the first step, oligomers of LA were polymerized by direct condensation of LA. In the second step, the oligomers were end-functionalized by methacrylic anhydride. The resin was characterized by differential scanning calorimetry, Raman spectroscopy, NMR, rubber process analyzer, and TOF-SIMS. Tests show that the resin can be crosslinked into a rigid network within a couple of minutes upon thermal initiation. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 115: 480-486, 2010

Place, publisher, year, edition, pages
John Wiley & Sons, Inc. , 2009. Vol. 115, no 1, 480-486 p.
Keyword [sv]
Energi och material
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Engineering and Technology
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URN: urn:nbn:se:hb:diva-2648DOI: 10.1002/app.30800Local ID: 2320/5686OAI: oai:DiVA.org:hb-2648DiVA: diva2:870742
Available from: 2015-11-13 Created: 2015-11-13 Last updated: 2016-11-18Bibliographically approved

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Åkesson, DanSkrifvars, Mikael
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