Flame retardant polyimide system

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 73/10 (2006.01) C08G 73/12 (2006.01) C08J 5/04 (2006.01) C08K 5/46 (2006.01) C08L 79/08 (2006.01)

Patent

CA 2070119

K-18665/A/CGC 1555 ABSTRACT: FLAME RETARDANT POLYIMIDE SYSTEM Flame retardant polyimide compositions comprise (A) the reaction product of (a) a polyimide containing at least two radicals of the formula Image wherein D is a divalent radical containing a C=C bond, (b) from about 0.05 to 2.0 moles per mole of component (a) of an alkenyl phenol, an alkenyl phenol ether or mixtures thereof, and (c) tribromophenyl-maleimide; and (B) an ionic or free-radical polymerization catalyst; and (C) phenothiazine or a derivative thereof.

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