Process for treating film comprising liquid crystal polymer

Details Process for treating film comprising liquid crystal polymer Process for treating film comprising liquid crystal polymer

1992-04-08

1994-11-01

Kight, III, John

Stock material or miscellaneous articles

Composite

Of polyester

428 1, 428906, 428910, 427177, 4273855, 264138, 264165, 264230, 264239, 264280, 264345, B32B 2706, B32B 2736

Patent

active

053606728

ABSTRACT:
A process for treating a film comprising a liquid crystal polymer capable of forming an optically anisotropic melt phase, which comprises passing the film between press rolls at a temperature in a range of from 80.degree. C. below the melting point of the liquid crystal polymer to 5.degree. C. below the same melting point and under a linear pressure of 20 to 400 kg/cm.

REFERENCES:
patent: 4384016 (1983-05-01), Ide et al.
patent: 4394498 (1983-07-01), Kastejic
patent: 4863767 (1989-09-01), Garg et al.
Database WPIL, AN 88-130502, & JP-A-63-074-622, Apr. 5, 1988.
Database WPIL, AN 88-232818, & JP-A-63-168-327, Jul. 12, 1988.

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