A liquid crystalline compounds:
R
1
—A—(X)
m
—(B)
n
—R
2
are described where A is naphthyl, fluorinated naphthyl or brorninated naphthyl; B is phenyl, methylated phenyl, brominated phenyl, fluorinated phenyl or pyrimidine; R
1
and R
2
are independently C
1-15
alkyl, alkoxy, alkynyl, thioalkyl, perfluoroalkyl, perfluoroalkoxy or Br, CN, SCN, NCS and hydrogen; X is COO or C═C, m is 0 or 1, and n is 1.
描述了一种液晶化合物:R1-A-(X)m-(B)n-R2,其中A是
萘基,
氟化
萘基或
溴化
萘基;B是苯基,甲基化苯基,
溴化苯基,
氟化苯基或
嘧啶基;R1和R2独立地是C1-15烷基,烷氧基,炔基,
硫代烷基,
全氟烷基,
全氟烷氧基,
溴,
氰,
硫氰酸盐,异
硫氰酸盐和氢;X是COO或C═C,m为0或1,n为1。