申请人:ENICHEM S.p.A.
公开号:EP0791849A1
公开(公告)日:1997-08-27
Nonlinear optical compounds exhibiting second order nonlinear optical properties and possessing delocalized resonance configurations corresponding to:
wherein R is a pi-conjugated electron delocalized organic moiety; D is an electron donating group; R1 is selected from hydrogen, electron withdrawing moieties, polymer attachment groups, -CN, -COOR'', -SOR'' and -SO2R'', wherein R'' is an alkyl group containing from 1 to 15 carbon atoms; X is O or S; and Y and Z are independently selected from CN, CO2R', NO2, COR' and SO2R', wherein R' is an alkyl group containing from 1 to 15 carbon atoms, or X and Y together form a ring structure selected from 1,3-indanediones, N,N-diallyl and N,N-dialkylthiobarbituric acids, 3-dicyanovinylindane-1-ones, 1,3-bisdicyanovinyl indanes and 3-sulfone-1-dicyanovinyl indanes. Polymers blended with, cured with, or having pendant side chains of the disclosed nonlinear optical compounds and exhibiting second-order nonlinear optical properties are also disclosed.
具有二阶非线性光学特性的非线性光学化合物,并具有相应的电子致焦共振构型:
其中,R 是π-共轭电子致焦有机分子;D 是电子捐献基团;R1 选自氢、取电子分子、聚合物连接基团、-CN、-COOR''、-SOR''和-SO2R'',其中 R'' 是含有 1 至 15 个碳原子的烷基;X 是 O 或 S;Y 和 Z 独立选自 CN、CO2R'、NO2、COR'和 SO2R',其中 R'是含有 1 至 15 个碳原子的烷基,或 X 和 Y 共同形成选自 1,3-茚二酮、N,N-二烯丙基和 N,N-二烷基硫代巴比妥酸、3-二氰基乙烯基茚-1-酮、1,3-双氰基乙烯基茚和 3-砜-1-二氰基乙烯基茚的环结构。此外,还公开了与所公开的非线性光学化合物混合、用其固化或具有其悬挂侧链并显示二阶非线性光学特性的聚合物。