C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/216, 400/581
C08F 22/40 (2006.01) C08G 73/12 (2006.01)
Patent
CA 1121942
- 1 - 3-11942 Heat-curable mixtures which are based on polyimides and poly-.beta.-iminocrotononitriles and are stable on storage and their use Abstract Heat-curable mixtures which are stable on storage and consist of a) poly-imides of specific unsaturated dicarboxylic acids of the general formula I Image in which A is a x-valent organic radical having at least 2 and not more than 30 carbon atoms, Z is a radical of the formulae Image and x is the number 2 or 3, and b) poly-(.beta.-iminocrotono- nitriles) of the formula II, III and/or IV Image - 2 - in which Y is a m-valent organic radical having at least 2 and at most 30 carbon atoms, R' is a hydrogen atom or an alkyl having 1 to 6 carbon atoms, cycloalkyl having 5 or 6 carbon atoms or aryl having 6 to 10 carbon atoms, R is an aliphatic or aromatic radical having not more than 30 carbon atoms, E, together with the two nitrogen atoms, is a five-membered or six-membered ring, m is 2 or 3 and n is 1 or 2, are suitable for the production of moulded materials, preferably by casting the resin mixture or by laminating or bonding substrates.
332512
Haug Theobald
Kiefer Jurg
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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