Nematic liquid crystal compositions

Details Nematic liquid crystal compositions Nematic liquid crystal compositions

C - Chemistry, Metallurgy

09

K

31/105

C09K 19/20 (2006.01)

Patent

CA 1049249

Nematic Liquid Crystal Compositions Abstract of the Disclosure Nematic liquid crystal compositions having positive dielectric anisotropy are obtained by mixing at least one of p-n-alkylphenyl-p'-cyanobenzoates represented by the formula, Image wherein R2 is n-alkyl group of 3 to 8 carbon atoms with at least one of p-cyanophenyl-p'-n-alkylbenzoates represented by the formula, Image wherein R1 is n-alkyl group of 4 to 8 carbon atoms. Said compositions exhibit nematic liquid crystal phase over a broad temperature range and therefore, are useful for the torsion effect-type display device.

227212

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