Thermoformable, fiber-reinforced composite material, process for

Details Thermoformable, fiber-reinforced composite material, process for Thermoformable, fiber-reinforced composite material, process for

1994-01-31

1996-11-05

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156161, 156242, B32B 508

Patent

active

055713564

ABSTRACT:
A thermoformable, fiber-reinforced composite material contains 5 to 70% by volume of unidirectionally aligned reinforcing fibers having individual filament diameters of 7 to 30 .mu.m, which are bonded by a matrix of a thermoplastic elastomer-modified polypropylene which essentially wets the entire surface of the individual filaments.
The elastomer-modified polypropylene preferably consists of a mixture of polypropylene with thermoplastic ethylene-propylene-diene rubber (EPDM) and/or ethylenepropylene rubber (EPM). The reinforcing fibers preferably consist of glass.

REFERENCES:
patent: 4559262 (1985-12-01), Cogswell et al.
patent: 5002712 (1991-03-01), Goldmann et al.

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