C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 22/40 (2006.01) C08G 73/12 (2006.01) C08J 5/24 (2006.01) C08L 79/08 (2006.01)
Patent
CA 2064209
2064209 9100879 PCTABS00003 A curable composition comprising at least one biscitraconimide unit having formula (I), wherein D is a divalent group, R is CH2-R1 and R1 is independently selected from the group consisting of hydrogen and alkyl groups having 1 to 18 carbon atoms, characterized in that the composition comprises a sufficient amount of an anionic curing catalyst to convert at least 10 % of the R groups on the biscitraconimide units into alkylene bridges in the cured composition, is disclosed. A process for curing the foregoing composition is disclosed as well. Also disclosed is a polymeric material obtained by the process of curing the foregoing composition as well as objects embodying this cured polymeric material. The polymeric material may also be cocured in the presence of one or more polymerizable materials. The polymeric material obtained exhibits significantly improved tensile strength and flexural strength over typical bismaleimide polymers which makes it useful for preparing fiber-reinforced materials.
Hope Peter
Talma Auke G.
Van Swieten Andreas P.
Akzo N.v.
Swabey Ogilvy Renault
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