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Phenolic prepreg waste as functional filter with antioxidant effect in polypropylene and polyamide-6
KTH, School of Computer Science and Communication (CSC), Numerical Analysis and Computer Science, NADA.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-7790-8987
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2006 (English)In: Polymer degradation and stability, ISSN 0141-3910, E-ISSN 1873-2321, Vol. 91, no 8, 1815-1823 p.Article in journal (Refereed) Published
Abstract [en]

Milled phenol-formaldehyde glass-fibre scrap (prepreg) was mixed with polypropylene (PP) and polyamide-6 (PA6). The oxidation induction time (OIT) of PP/prepreg composite measured by both chemiluminescence (CL) and Differential Scanning Calorimetry (DSC) was significantly longer than the oxidation induction time of unstabilised base PP. In addition, mechanical testing showed that the prepreg filter stabilised both PP and PA6 towards oxidation during long-term accelerated ageing. Headspace-gas chromatography/mass spectrometry (HS-GC/MS) showed that PP/prepreg composites emit somewhat larger amounts of volatile compounds compared to the reference PP/glass fibre composites, while the amount of volatile components emitted from PA6/prepreg composites was similar to the reference PA6/glass fibre composites. The new prepreg composites could have potential in thermally demanding applications especially if a secondary phosphite stabiliser is added to further increase the oxidative stability through synergy effects.

Place, publisher, year, edition, pages
2006. Vol. 91, no 8, 1815-1823 p.
Keyword [en]
functional fillers, antioxidant, recycling, phenol-formaldehyde resin, polypropylene, polyamide, comminuted thermoset recyclate, hydrocarbon polymers, reinforcing filler, quinone methides, 2-cyclopentyl-cyclopentanone, thermostabilization, thermoplastics, pa6, pp
National Category
Polymer Technologies Polymer Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-15765DOI: 10.1016/j.polymdegradstab.2005.11.012ISI: 000238455300023Scopus ID: 2-s2.0-33646502652OAI: oai:DiVA.org:kth-15765DiVA: diva2:333807
Note

QC 20150720

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Hakkarainen, Minna

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