The epoxy resin has a limiting oxygen index (LOI) measured according to standard ASTM 2863, which is at least 28%, if the resin comprises at least a silsesquioxane compound (POSS), or at least 36%, if the resin is obtainable by curing an epoxy precursor formulation with an hardening agent which is an aromatic organo-phosphorous compound, preferably an organophosphine oxide of general formula R 3 PO, wherein at least two R moieties are amino-phenyl and one R moiety is alkyl, phenyl or amino-phenyl, wherein each phenyl ring may have independently one or more electrophile substituents.
Multifunctional epoxy resin with enhanced flame resistance
GUADAGNO, Liberata;RAIMONDO, MARIALUIGIA;LONGO, Pasquale;
2015
Abstract
The epoxy resin has a limiting oxygen index (LOI) measured according to standard ASTM 2863, which is at least 28%, if the resin comprises at least a silsesquioxane compound (POSS), or at least 36%, if the resin is obtainable by curing an epoxy precursor formulation with an hardening agent which is an aromatic organo-phosphorous compound, preferably an organophosphine oxide of general formula R 3 PO, wherein at least two R moieties are amino-phenyl and one R moiety is alkyl, phenyl or amino-phenyl, wherein each phenyl ring may have independently one or more electrophile substituents.File in questo prodotto:
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