Thermosetting polymers for composite and adhesive applications

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 79/08 (2006.01) C08F 222/40 (2006.01) C08G 73/12 (2006.01) C09J 179/08 (2006.01)

Patent

CA 2237331

Thermosetting polymers with high temperature capability for composite and adhesive applications are disclosed. Inhibitors for improving pot life, gel time and storage stability are disclosed. These polymers are ideally suited for adhesives and RTM, resin film infusion, and prepreg methods to make polymer matrix, fiber reinforced composite parts.

Cette invention concerne des polymères thermodurcissables capables de supporter des températures élevées et destinés à des applications composites et adhésives. L'invention se rapporte en outre à des inhibiteurs permettant d'allonger le délai d'utilisation, le temps de gélification et d'augmenter la stabilité de conservation. Ces polymères conviennent parfaitement en tant qu'adhésifs et pour les moulages par transfert de résine (RTM), pour le trempage de films de résine en milieu à température élevée, ainsi que pour des procédés de moulage de pré-imprégnés en vue de la fabrication de pièces composites renforcées par des fibres, à matrice de polymère.

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