Fiber-reinforced recycled thermoplastic composite and method
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United States of America Patent
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Jun 29, 2004
Grant Date -
May 8, 2003
app pub date -
Mar 1, 2002
filing date -
Apr 25, 1996
priority date (Note) -
Expired
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Abstract
Fiber reinforced recycled thermoplastic composites and methods for their manufacture are presented. In a preferred embodiment, the thermoplastic composite incorporates a matrix of recycled thermoplastic and a plurality of high modulus, reinforcing fibers, with the recycled thermoplastic including polyethylene, polypropylene, nylon, PET and styrene-butadiene rubber, and the reinforcing fibers including glass fibers, natural fibers, carbon fibers, and aramid fibers. Preferably, each of the reinforcing fibers has a minimum length of approximately 1/2 of an inch and a modulus of approximately one million psi.
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