申请人:——
公开号:US20030203128A1
公开(公告)日:2003-10-30
Provided are a fluorene derivative represented by Formula (1) and a polymer thereof:
1
wherein at least one of A
1
, A
2
and A
3
is a group represented by Formula (2), and the others are 1,4-cyclohexylene, 1,4-cyclohexenylene, 1,4-phenylene, pyridine-2,5-diyl, pyridazine-3,6-diyl, pyrimidine-2,5-diyl or dioxane-2,5-diyl; m, n and p are independently 0 or 1; R
1
is —CN, —CF
3
, —CF
2
H, —CFH
2
, —OCF
3
, —OCF
2
H, —N═C═O, —N═C═S, —F, —Cl, or alkyl in which one hydrogen may be replaced by (meth)acryloyloxy or vinyloxy and optional —CH
2
— may be replaced by —O—, —S—, —CF
2
—, —CH═CH—, —COO—, —OCO— or —CO—; R
2
is hydrogen or methyl; Z
1
to Z
3
are independently a single bond, —O—, —COO—, —OCO—, —CF
2
O—, —OCF
2
—, —CH
2
O—, —OCH
2
—, —CH
2
CH
2
—, —(CH
2
)
4
—, —CH═CH—, —CF═CF— or —C≡C—; q is an integer of 0 to 10; and r is 0 or 1:
2
wherein two X
1
's are independently hydrogen, fluorine or alkyl.
提供了一个由公式(1)表示的芴衍生物及其聚合物:1其中A1,A2和A3中至少有一个是由公式(2)表示的基团,其余的是1,4-环己基,1,4-环己烯基,1,4-苯基,吡啶-2,5-二基,吡嗪-3,6-二基,嘧啶-2,5-二基或二氧六环-2,5-二基;m,n和p独立地为0或1;R1为—CN,—CF3,—CF2H,—CFH2,—OCF3,—OCF2H,—NHC=O,—NHC=S,—F,—Cl或烷基,其中一个氢可以被(甲基)丙烯酰氧或乙烯氧替换,可选的—CH2—可以被—O—,—S—,—CF2—,—CH=CH—,—COO—,—OCO—或—CO—替换;R2为氢或甲基;Z1至Z3独立地为单键,—O—,—COO—,—OCO—,—CF2O—,—OCF2—,—CH2O—,—OCH2—,—CH2CH2—,—(CH2)4—,—CH=CH—,—CF=CF—或—C≡C—;q为0至10的整数;r为0或1:2其中两个X1独立地为氢,氟或烷基。