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Phosphorus containing flame retardants in epoxy resins. Efficiency and influence on material parameters

: Schmidt, C.M.; Utaloff, K.; Döring, M.

Volltext (PDF; )

Univ. of Sevilla:
16th European Conference on Composite Materials, ECCM 2014. Proceedings : 22-26 June 2014, Sevilla, Spain
Sevilla, 2014
ISBN: 978-84-61697-98-4
Paper 1064, 5 S.
European Conference on Composite Materials (ECCM) <16, 2014, Sevilla>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer LBF ()

Several star-shaped multifunctional phosphorus containing flame retardant additives were synthesized via Phospha-Michael addition, based on 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO), dimethyl phosphite (DMP) and tetra-[(acryloyloxy) ethyl] pentarythrit (PETA), or the heterocyclic tris-[(acrylocloxy) ethyl] isocyanurate (TAEI) as central building block. Phosphonates are of great interest, because they are able to increase the glass transition temperature of cured resins by crosslinking in a post curing step. RTM6®, which is commercially available and used by the Aviation Industries, was selected as a premixed epoxy system. The influence on the glass transition temperature was investigated.