Process for manufacturing reinforced composites and filament...

C - Chemistry – Metallurgy – 08 – K

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C08K 7/04 (2006.01) B22D 19/14 (2006.01) B22F 1/00 (2006.01) B29B 11/16 (2006.01) B29C 67/20 (2006.01) B29C 70/02 (2006.01) C04B 35/52 (2006.01) C04B 35/571 (2006.01) C04B 35/589 (2006.01) C04B 35/63 (2006.01) C04B 35/632 (2006.01) C04B 35/80 (2006.01) C04B 35/83 (2006.01) C22C 47/06 (2006.01) C22C 47/08 (2006.01) B29C 43/00 (2006.01) B29C 45/00 (2006.01) B29C 47/00 (2006.01) B29C 67/12 (1990.01)

Patent

CA 2086328

2086328 9200182 PCTABS00010 This invention relates to a process for manufacturing composites and laminates reinforced with continuous or long fibers and/or filaments, which comprises the subsequent steps of (a) forming a preform of reinforcing material by arranging a green tape, ribbon, sheet or cloth comprising a number of continuous longitudinally oriented fibers or filaments which are spaced from each other by means of uniformly distributed particles, bonded by means of a flexible binder, (b) removing or converting the major part of the binder and, if applicable, (c) filling the voids and cavities with matrix material. Further, this invention relates to a process for manufacturing composites and laminates reinforced with chopped-aligned fibers and/or filaments, which comprises chopping a green tape or ribbon as defined above, mixing the chopped tape or ribbon with a binder, lubricant and/or matrix material and forming mouldings from this mixture by any moulding method.

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