Reinforcing composite items with composite thermoplastic...

Details Reinforcing composite items with composite thermoplastic... Reinforcing composite items with composite thermoplastic...

B - Operations, Transporting

29

B

B29B 15/10 (2006.01) B29C 70/16 (2006.01) B29C 70/46 (2006.01) D04H 1/00 (2006.01) D04H 3/16 (2006.01) B29C 67/14 (1990.01)

Patent

CA 2122548

REINFORCING COMPOSITE ITEMS WITH COMPOSITE THERMOPLASTIC STAPLE FIBERS ABSTRACT OF THE DISCLOSURE Fiber reinforced laminates are made by providing a multicomponent staple fiber yarn having a fibrous matrix thermoplastic component with a first melting point if crystalline or a first softening point if not crystalline, and a drawable fibrous reinforcing thermoplastic component with a second melting point if crystalline or a second softening point if not crystalline, wherein the first melting point is at least 5° below the second melting point; fabricating the yarn into a pre-consolidation fabric; shaping the pre-consolidation fabric by conforming the fabric onto a mold or substrate; and heating the shaped pre-consolidation fabric to the first melting or softening point but not the the second melting or softening point such that the matrix component melts and consolidates the reinforcing component. - 31 -

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