Precursor for preparing an optical material, method and optical components obtained with same and uses thereof
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United States of America Patent
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Sep 18, 2007
Grant Date -
Mar 4, 2004
app pub date -
May 17, 2001
filing date -
May 19, 2000
priority date (Note) -
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Abstract
A precursor for the preparation of a material with optical properties modifiable under the action of at least one external parameter, comprising a component A constituted by polymerizable monomers or oligomers, a component B comprising one or several liquid crystals with low molecular weights or polymers and having a type of molecular order that is nematic, cholesteric or smectic or having polymorphism, andat least one surface agent C whose molecules have an affinity both for component A and for component B, and comprising simultaneously one or several chemical groups that can attach chemically to the constituents of component A, and one or several chemical groups comprising a mesogenic portion compatible with the mesomorphic phase of component B, so as to control the interfacial properties between components A, and B during polymerization.
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