Process for preparing a self-reinforced thermoplastic composite

Details Process for preparing a self-reinforced thermoplastic composite Process for preparing a self-reinforced thermoplastic composite

1992-04-20

1993-08-24

Ryan, Patrick J.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264258, 264259, 264212, 264241, 264247, 264330, 26433112, 264109, 264119, 428 1, 428113, 428114, C08L 6703, C08L 6900

Patent

active

052386384

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.

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patent: 4820568 (1989-04-01), Harpell et al.
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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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