Liquid-crystal derivatives of nitogen-containing...

Details Liquid-crystal derivatives of nitogen-containing... Liquid-crystal derivatives of nitogen-containing...

C - Chemistry, Metallurgy

09

K

31/105, 260/295,

C09K 19/06 (2006.01) C07D 213/04 (2006.01) C07D 213/16 (2006.01) C07D 213/26 (2006.01) C07D 213/30 (2006.01) C07D 213/54 (2006.01) C07D 213/85 (2006.01) C07D 215/02 (2006.01) C07D 215/04 (2006.01) C07D 215/12 (2006.01) C07D 215/14 (2006.01) C07D 215/22 (2006.01) C07D 215/48 (2006.01) C07D 409/04 (2006.01) C09K 19/34 (2006.01)

Patent

CA 2006037

LIQUID-CRYSTAL MATERIAL Abstract A liquid-crystal material is proposed, compris- ing at least two components, at least one of which is a liquid-crystal derivative of nitrogen-containing he terocyclic systems of the general formula R1-A1-Z-A2-R2, wherein R1 and R2 are jointly or independently -CnH2n+1, -CmH2m+1, CnH2n+1O-, CmH2m+1 , CH2=CH(CH2)k-, -CN, -N=C=S, Hal , Image at k = 0-3, l = 0-2, m.n. = 1-15; Z is -CH2-CH2-, -CH=CH-, -C?C-, -COO-, a single bond, when A1 is Image , Image ; A2 is Image , Image , Image , Image ; when A2 is Image , Image , Image ; A1 is Image , Image , Image ; R is -CH3, -CN, -Cl, -F at l = 0-2. The content of said component is 1 to 50 wt. %.

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