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Continuous fiber reinforced structural components: Combining polymerization and molding within a single machine

: Bäck, G.

Kunststoffe international 102 (2012), Nr.10, S.102-105
ISSN: 1862-4243
Fraunhofer ICT ()

If lightweight construction means arranging as little material as possible in space so that a predetermined function can be optimally performed [1], then the in-situ polymerization of .-caprolactam to polyamide 6 comes pretty close to achieving this ideal. It is possible to create layer structures reflecting the loading paths within wide limits - with the restriction that at high degrees of deformation the lay up of the reinforcing textiles and fabrics is also subject to strict requirements. By relocating the polymerization to the mold thermoplastic composite parts can be directly manufactured from dry continuous fibers, whilst with other production methods prior incorporation of semi-finished stock into a thermoplastic matrix in the form of pre-preg sheet or tape is required.