Bismaleimide compounds

Details Bismaleimide compounds Bismaleimide compounds

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01) C07D 401/14 (2006.01) C07D 403/14 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01) C07D 417/14 (2006.01) C08G 73/10 (2006.01) C08G 73/12 (2006.01) C08L 79/08 (2006.01) D06M 13/418 (2006.01) D06M 15/59 (2006.01)

Patent

CA 2136606

The invention relates to a bismaleimide compound of formula (I) substantially free of oligomeric, amidic and uncyclized impurities, wherein Ar is an optionally substituted aromatic residue; and Ar' is an optionally substituted aromatic residue which provides either good conjugation between the nitrogen-containing groups shown in formula (I) or steric or other restrictions cap- able of moderating the reactivity of an unreacted amine moiety attached to said residue, methods for their preparation and cu- rable compositions containing them. The curable compositions may also be used in impregnated fibre reinforced materials and advanced composite materials.

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