Fibre reinforced stuctural thermoplastic composite materials

Details Fibre reinforced stuctural thermoplastic composite materials Fibre reinforced stuctural thermoplastic composite materials

1991-12-10

1993-06-15

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428292, 428294, 428297, 428401, 428408, 428902, B32B 702

Patent

active

052196429

ABSTRACT:
A structural thermoplastic composite material comprises a laminate of a first layer of a fibre reinforced thermoformable crystalline polymer composite and an adherent layer of a second thermoformable polymer which has been applied to the first layer at a temperature above the melting point of the polymer of the first layer. The second polymer comprises an amorphous polymer having a Tg which is at least 10.degree. C. lower than the Tm of the other polymer, which is crystallisable in a subsequent annealing process, and which has a peak crystallisation time of at least 1 minute. Such a material can be bonded to itself or to a different material by the adherent layer at temperatures below the Tm of the matrix polymer.

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