C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/02 (2006.01) C08J 9/00 (2006.01) C08J 9/04 (2006.01) C08J 9/10 (2006.01) C08J 9/14 (2006.01) C08J 9/236 (2006.01) C08J 9/32 (2006.01) C23F 15/00 (2006.01)
Patent
CA 2339755
Foamable compositions based on epoxy resins which exhibit good shelf life are obtained through the use of specific blowing agent and curing accelerator systems. The blowing agent system contains azodicarbonamide, while the curative system contains an amine-epoxy adduct such as an imidazole-epoxy adduct. The compositions are capable of providing structural foams which are useful in the manufacture of reinforced structural members and the like.
Cette invention concerne des compositions moussantes à base de résine époxy qui possèdent de bonnes qualités de conservation et qui sont obtenues à l'aide d'un système gonflant et d'un système accélérateur de solidification spécifiques. Le système gonflant contient de l'azodicarbonamide, tandis que le système de solidification contient un adjuvant amine-époxy tel qu'un adjuvant imidazole-époxy. Ces compositions permettent de produire des mousses structurées qui sont utiles dans la fabrication d'éléments structurels renforcés ou autres produits analogues.
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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