Self reinforced thermoplastic composite laminate

Details Self reinforced thermoplastic composite laminate Self reinforced thermoplastic composite laminate

1991-12-02

1993-12-07

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428224, 428245, 525425, 525436, 264108, B05D 300, C08L 6700

Patent

active

052682250

ABSTRACT:
Composite laminates are prepared from thin sheets of thermotropic liquid crystal polymer blends. A preferred blend contains 2 thermotropic liquid crystal polymers, i.e., a first liquid crystal polymer in LCP-1, and a second liquid crystal polymer (LCP-2), the second liquid crystal polymer having a higher melting point than the first. The second liquid crystal polymer is molecularly oriented and is preferably at least partially in the form of microscopic fibers in a matrix of the first liquid crystal polymer. The two liquid crystal polymers are phase separated in the solid phase and have overlapping melt processing temperatures.

REFERENCES:
patent: 4267289 (1981-05-01), Froix
patent: 4650836 (1987-03-01), George et al.
patent: 4728698 (1988-03-01), Isayev et al.
patent: 4820568 (1989-04-01), Harpell et al.
patent: 4837268 (1989-06-01), Matsumoto
patent: 4902369 (1990-02-01), Avramova et al.
patent: 5070157 (1991-12-01), Isayev et al.
de Meuse, M. R. & Jaffe, M. Polymer Preprints, vol. 30, No. II., Sep. 19, 1989, pp. 540-541.

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