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Phosphorus-Containing Flame Retardants from Biobased Chemicals and their Application in Polyesters and Epoxy Resins

 
: Sag, Jacob; Goedderz, Daniela; Kukla, Philipp; Greiner, Lara; Schönberger, Frank; Döring, Manfred

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Volltext ()

Molecules 24 (2019), Nr.20, Art. 3746, 31 S.
ISSN: 1420-3049
Englisch
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer LBF ()
flame retardant; polyester; epoxy resin; biobased polymer

Abstract
Phosphorus-containing flame retardants synthesized from renewable resources have had a lot of impact in recent years. This article outlines the synthesis, characterization and evaluation of these compounds in polyesters and epoxy resins. The different approaches used in producing biobased flame retardant polyesters and epoxy resins are reported. While for the polyesters biomass derived compounds usually are phosphorylated and melt blended with the polymer, biobased flame retardants for epoxy resins are directly incorporated into the polymer structure by a using a phosphorylated biobased monomer or curing agent. Evaluating the efficiency of the flame retardant composites is done by discussing results obtained from UL94 vertical burning, limiting oxygen index (LOI) and cone calorimetry tests. The review ends with an outlook on future development trends of biobased flame retardant systems for polyesters and epoxy resins.

: http://publica.fraunhofer.de/dokumente/N-569805.html