申请人:The Secretary of State for Defence in Her Britannic Majesty's Government
公开号:US05595682A1
公开(公告)日:1997-01-21
Liquid crystal compounds having the formula (I) ##STR1## in which A.sub.1 is alkyl, alkoxy or alkenyl; X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are independently halogens, m, n, p and q are independently 0, 1, 2, 3 or 4 such that m+n+p+q.noteq.0; Y is O or COO; and A.sub.2 is an end group of the formula (II), ##STR2## where Z is halogen, CH.sub.3, CN, CF.sub.3 or, CHF.sub.2 ; R is a linear or branched alkyl group or H; and R.sub.1 is a linear or branched alkyl group or H.
具有以下式子(I)的液晶化合物:##STR1##
其中,A.sub.1是烷基,烷氧基或烯基;X.sub.1,X.sub.2,X.sub.3和X.sub.4独立地是卤素,m,n,p和q独立地是0,1,2,3或4,使得m+n+p+q.noteq.0;Y是O或COO;A.sub.2是式子(II)的末端基团,##STR2##
其中,Z是卤素,CH.sub.3,CN,CF.sub.3或CHF.sub.2;R是线性或支链烷基或H;R.sub.1是线性或支链烷基或H。