Reinforced composite material

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/08 (2006.01) C03C 17/30 (2006.01) C03C 17/34 (2006.01) C08J 5/04 (2006.01) C08J 5/06 (2006.01) C08K 3/40 (2006.01) C08K 7/02 (2006.01) C08K 7/14 (2006.01)

Patent

CA 2626117

The present invention relates to a reinforced composite material and a method for its production. The composite material comprises at least one cured resin having a reinforcing material. Preferably the reinforcing material is a plurality of glass fibres which are treated such that the properties of the interphase substantially surrounding each fibre are substantially equivalent to those of the bulk cured resin. The fibre treatment may be selected from the group consisting of a polymeric coating, a hydrophilic surface coating, a surface coating of a free radical inhibitor, or a reduction in the total surface area of the fibres. The reinforced composite material of the invention provides improved long-term mechanical properties compared to traditional glass fibre reinforced materials.

La présente invention concerne un matériau composite renforcé et un procédé de fabrication dudit matériau. Le matériau composite comprend au moins une résine durcie comportant un matériau renforçant. Le matériau renforçant est de préférence constitué d~une pluralité de fibres de verre traitées de manière à ce que les propriétés de l~interphase entourant essentiellement chaque fibre soient essentiellement équivalentes à celles de la résine durcie. Le traitement des fibres peut être choisi dans le groupe consistant en un revêtement polymérique, un revêtement de surface hydrophile, un revêtement de surface d'un inhibiteur de radicaux libres, ou une réduction de la surface totale des fibres. Le matériau composite renforcé selon l~invention présente des propriétés mécaniques à long terme améliorées par rapport aux matériaux classiques renforcés par des fibres de verre.

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