Electron-beam curable epoxy compositions

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 2/46 (2006.01) B41M 7/00 (2006.01) C08G 59/68 (2006.01) G03F 7/038 (2006.01) G03F 7/20 (2006.01)

Patent

CA 2272123

A process for high-speed curing of low reactivity epoxy resins to produce products having high strength, high temperature resistance, and high storage modulus is described. A composition comprising a low reactivity epoxy resin is also described. The process and the composition both utilize onium salts and are cured utilizing ionizing radiation, specifically gamma irradiation.

Procédé de traitement à grande vitesse pour résines époxy à faible réactivité, en vue de l'obtention de produits très solides à haute résistance à la température et à module de conservation élevé. On décrit également une composition à base de résine époxy à faible réactivité. Dans le procédé, et pour la fabrication de cette composition, on fait appel à des sels d'onium, et le traitement consiste à utiliser des rayonnements ionisants, et plus précisément une irradiation gamma.

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