Method for obtaining composite materials based on cross-linked p

Details Method for obtaining composite materials based on cross-linked p Method for obtaining composite materials based on cross-linked p

1995-06-07

1997-02-25

Nagumo, Mark

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

521 63, 521 64, 264 134, 264 138, 264 17, 25229901, 430 20, 349 89, G07F 113

Patent

active

056057270

ABSTRACT:
Disclosed is a method for obtaining composite material comprising a network of cross-linked polymer and fluid molecules. Such materials, using molecules of liquid crystal, are notably used in display screens. The originality of the disclosure lies in the drying, in supercritical phase, of the molecules that have enabled the preparation of the network. Generally, the operation of evaporation drying of the solvent leads to a deterioration of the network structure. With the method according to the invention, the network keeps its initial structure, making it possible to obtain high performance characteristics in scattering of light. Application to display screens and protection for detectors.
No abstract figure.

REFERENCES:
patent: 5268783 (1993-12-01), Yoshinaga et al.
patent: 5422377 (1995-06-01), Aubert
patent: 5430563 (1995-07-01), Bouteiller et al.
patent: 5475515 (1995-12-01), Yoshinaga et al.

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