Liquid crystal polymer film and a method for manufacturing the s

Details Liquid crystal polymer film and a method for manufacturing the s Liquid crystal polymer film and a method for manufacturing the s

1997-07-11

2000-02-22

Chen, Vivian

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

4283044, 4283166, 4283171, 4283177, 4283184, 4283193, 428323, 428421, 428422, 428704, 428910, 428419, 2642888, 2642902, 264348, 156229, 156247, B32B 2708, B32B 2720, B32B 3112, B32B 3116

Patent

active

060277718

ABSTRACT:
A nonporous composite material laminate formed by combination of a liquid crystal polymer film with two support membranes and stretching the composite material laminate to provide a multiaxially-oriented liquid crystal polymer film, wherein the liquid crystal polymer film contains 1 to 30 volume percent of a solid particulate material in amounts sufficient to reduce the thickness variability of the film whereby the ratio of the standard deviation of thickness values to the mean thickness value of the film is 0.1 or less. The liquid crystal polymer film has balanced physical properties, uniform thickness, and smooth surfaces. A process for making the composite material and orienting the liquid crystal polymer is also disclosed.

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