Rotational compression process for forming liquid crystalline po

Details Rotational compression process for forming liquid crystalline po Rotational compression process for forming liquid crystalline po

1984-01-27

1986-09-30

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264310, 26432812, 528176, 528302, 5283082, B29C 4104

Patent

active

046146296

ABSTRACT:
A process for making a polymer with ultra-high mechanical properties by subjecting to compression and rotation in a contained geometry at a viscosity in the range of from 50 to 10.sup.4 poise an aromatic liquid crystalline copolyester.

REFERENCES:
patent: 3356242 (1967-12-01), Cleereman
patent: 3647614 (1972-03-01), Cleereman
patent: 3907952 (1975-09-01), Cleereman
patent: 4288478 (1981-09-01), Kinoshita et al.
patent: 4305902 (1981-12-01), Uhlig
Zachariades et al, Liquid Crystalline Behaving Polymers, In Polymer News, 8(5), 144 (1982).
Ultra-High Modulus Polymers, edited by Ciferri and Ward, pp. 227-250, Applied Science Pub., London, 1979.

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