Production of sheetlike preshapes

Details Production of sheetlike preshapes Production of sheetlike preshapes

1987-02-13

1990-10-02

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Orienting or aligning solid particles in fluent matrix material

2641761, 26433121, B29C 4714

Patent

active

049605526

ABSTRACT:
A sheetlike, thermoplastically moldable preshape is produced by extruding a liquid-crystalline polymer by dividing the melt into two or more separate streams, then conferring different directions of orientation on the polymer in these separate streams, recombining the separate streams and extruding the recombined melt stream.

REFERENCES:
patent: 4332759 (1982-06-01), Ide
patent: 4384016 (1983-05-01), Ide et al.
patent: 4508891 (1985-04-01), Bailey et al.
patent: 4581399 (1986-04-01), Yoon
patent: 4614629 (1986-09-01), Economy et al.

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