LIQUID CRYSTAL POLYMER FILM AND METHOD FOR FORMING THE SAME

The invention relates to the production of liquid-crystal films and coatings from substituted poly-para-xylylenes to be used as alignment layers in different electrooptical devices (alphameric indicators, displays, optical shutters, etc.). Particularly, the invention is directed to a one-step method...

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Hauptverfasser:	CHVALUN SERGEY NIKOLAEVICH, MAILYAN KAREN ANDRANIKOVICH, PEBALK ANDREY VLADIMIROVICH, TELESHOV EDUARD NIKANOROVICH
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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creator	CHVALUN SERGEY NIKOLAEVICH MAILYAN KAREN ANDRANIKOVICH PEBALK ANDREY VLADIMIROVICH TELESHOV EDUARD NIKANOROVICH
description	The invention relates to the production of liquid-crystal films and coatings from substituted poly-para-xylylenes to be used as alignment layers in different electrooptical devices (alphameric indicators, displays, optical shutters, etc.). Particularly, the invention is directed to a one-step method for producing a liquid-crystal polymer film of the substituted poly-para-xylylene, said film simultaneously exhibiting the orienting properties with respect to LC molecules. The essence of a claimed method is in production of films and coatings from the substituted poly-para-xylylene by means of the successive execution in vacuum of sublimation at 0-350° C. and pyrolysis at 450-700° C. of the substituted cyclic di-para-xylylene in which substituent groups have terminal mesogenic groups, and condensation of the pyrolysis-generated substituted para-xylylene simultaneously with its polymerization on a substrate at 150-320° C. The process is performed at a predetermined film formation rate on the substrate surface. Produced are liquid-crystal polymer materials which films are good orientants with respect to LC molecules.
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subjects	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
title	LIQUID CRYSTAL POLYMER FILM AND METHOD FOR FORMING THE SAME
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