Aromatic polyamide structural composites

Details Aromatic polyamide structural composites Aromatic polyamide structural composites

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08G 69/32 (2006.01) C08G 69/48 (2006.01) C08J 9/02 (2006.01) C08L 77/10 (2006.01)

Patent

CA 2303363

Composite materials made wholly from aromatic polyamides are prepared, which have the advantage of better performance and less delamination than composites composed of chemically distinct components. The foam matrix for such composites is prepared using N,N'-dialkylated aromatic polyamide. Both fiber reinforced foam structural forms and foam/felt laminates are prepared.

L'invention concerne la préparation de matériaux composites entièrement formés à partir de polyamides aromatiques. Ces matériaux sont de meilleure qualité et présentent moins de délaminage que des composites formés à partir de composants distincts du point de vue chimique. La matrice en mousse de ces composites est préparée grâce à du polyamide aromatique N,N'-dialkylé. L'invention se rapporte à la fois à la préparation de formes structurales en mousse renforcées par fibres et à la préparation de laminés mousse/feutre.

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