Prepreg with integrated multi-dimensional gas venting network

Details Prepreg with integrated multi-dimensional gas venting network Prepreg with integrated multi-dimensional gas venting network

C - Chemistry, Metallurgy

08

J

C08J 5/00 (2006.01)

Patent

CA 2749270

Composite prepreg including a gas venting network that allows multi- dimensional escape of gas from the prepreg during the curing process. Penetrable barriers are also provided between the matrix precursor elements to promote long- term storability of the prepreg at ambient temperatures. All or a portion of the gas venting network may be integrated with the penetrable barriers.

L'invention porte sur un pré-imprégné composite comprenant un réseau de dégazage qui permet un échappement multidimensionnel de gaz à partir du pré-imprégné pendant le procédé de durcissement. Des barrières pénétrables sont également disposées entre les éléments précurseurs de matrice pour favoriser une aptitude au stockage de longue durée du pré-imprégné aux températures ambiantes. La totalité ou une partie du réseau de ventilation de gaz peut être d'un seul tenant avec les barrières pénétrables.

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