Composite material

Details Composite material Composite material

C - Chemistry, Metallurgy

08

K

C08K 7/06 (2006.01) B29B 11/16 (2006.01) C08K 3/04 (2006.01) C08L 101/00 (2006.01) D01F 9/12 (2006.01) H01M 4/96 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2600311

A composite material characterized by comprising a matrix and carbon fiber structures contained in the matrix in an amount of 0.1-30 mass% based on the whole, the carbon fiber structures being ones which have a three-dimensional network composed of carbon fibers having an outer diameter of 15-100 nm and have particulate parts which each bonds two or more of the carbon fibers to one another in such a manner that the carbon fibers extend from the particulate part and which have been formed in the course of growth of the carbon fibers. The composite material, which contains the carbon fiber structures, can be improved in physical properties including electrical properties, mechanical properties, and thermal properties without impairing the properties of the matrix, although the amount of the carbon fiber structures added is small.

Matériau composite caractérisé en ce qu'il comprend une matrice et des structures de fibres de carbone contenues dans la matrice en quantité de 0,1-30 % en poids sur la base du total du matériau, les structures de fibres de carbone étant des structures qui ont un réseau tridimensionnel constitué de fibres de carbone ayant un diamètre extérieur de 15-100 nm et qui ont des parties particulaires qui relient chacune deux ou plus de deux des fibres de carbone les unes aux autres d'une manière telle que les fibres de carbone partent de la partie particulaire et qui ont été formées au cours de la formation des fibres de carbone. Le matériau composite, lequel contient les structures de fibres de carbone, peut être amélioré en termes de propriétés physiques dont les propriétés électriques, les propriétés mécaniques et les propriétés thermiques sans dégrader les propriétés de la matrice, bien que la quantité des structures de fibres de carbone ajoutée soit petite.

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