申请人:Hitachi Chemical Company, Ltd.
公开号:US05834575A1
公开(公告)日:1998-11-10
As a heteroaromatic compound made functional so as to be used in nonlinear optical materials, the present invention provides a heteroaromatic compound represented by the following Formula (1), (2), (3) or (4), a polymer obtained from any of these, a nonlinear optical element comprised of the polymer, an optical device having such an element, and a process for producing them. ##STR1## wherein Ar.sup.1, Ar.sup.2 and Ar.sup.3 each independently represent an aromatic group or an aromatic group having a substituent, R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom or a monovalent organic group, X represents a monovalent organic group, Y represents a hydrogen atom or a monovalent functional group, and n represents an integer of 2 to 10.
作为一种杂环芳香化合物,被功能化以用于非线性光学材料,本发明提供了由以下公式(1)、(2)、(3)或(4)所代表的杂环芳香化合物,由其制得的聚合物,由该聚合物组成的非线性光学元件,以及具有该元件的光学装置的生产方法。
其中,Ar.sup.1、Ar.sup.2和Ar.sup.3各自独立地表示芳香基或带有取代基的芳香基,R.sup.1、R.sup.2和R.sup.3各自独立地表示氢原子或一价有机基团,X表示一价有机基团,Y表示氢原子或一价官能团,n表示2至10的整数。