A prepreg, a composite and their uses

Details A prepreg, a composite and their uses A prepreg, a composite and their uses

A - Human Necessities

61

K

A61K 6/08 (2006.01) A61L 27/00 (2006.01) A61L 27/16 (2006.01)

Patent

CA 2447834

The invention relates to a prepreg comprising fibers and a curable matrix, said prepreg being characterised in that it has a core and a surface part encasing said core wherein the matrix of the core and of the surface part are made of a same material and in that the proportion of the matrix to the fibers is higher in the core than in the surface part. The invention also relates to a composite obtainable from said prepreg as well as to the use of said composite or prepreg.

L'invention concerne un préimprégné composé de fibres et d'une matrice durcissable. Ce préimprégné comprend une partie centrale et une partie surfacique recouvrant ladite partie centrale. La matrice de la partie centrale et de la partie surfacique sont composées du même matériau. Les proportions de la matrice par rapport aux fibres sont plus élevées dans la partie centrale que dans la partie surfacique. Par ailleurs, l'invention concerne un composite obtenu à partir de ce préimprégné ainsi que l'utilisation de ce composite ou préimprégné.

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