C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/267, 400/792
C08G 59/14 (2006.01) C08K 5/53 (2006.01) C08K 5/5397 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1184699
Abstract of the Disclosure: Epoxy resins are rendered fire retardant by the addition thereto of a 3-hydroxyalkylphosphine oxide. Other halogen containing flame retardants may or may not be present in the composition. Mixtures containing a brominated epoxide and/or a halogenated phosphine oxide provide a high level of flame retardance at low levels of the additive. The epoxy resins may be heat cured in the presence of an acid anhydride or amine to form a polymer having the phosphine oxide incorpo- rated in the polymer molecule.
401754
Fretz Edward R. Jr.
Green Joseph
Fmc Corporation
Osler Hoskin & Harcourt Llp
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