申请人:Toda Kogyo Corp.
公开号:US05196586A1
公开(公告)日:1993-03-23
Disclosed herein are polydiphenyldiacetylenes having the following repeating unit (III): ##STR1## (wherein R.sup.1 denotes a hydrogen atom or a methoxy group; R.sup.2 denotes a hydrogen atom, a methoxy group or a methylamino group; R.sup.3 denotes a hydrogen atom or a trifluoromethyl group; and R.sup.4 denotes a hydrogen atom or a trifluoromethyl group; provided that R.sup.1 is not a hydrogen atom when R.sup.2 is hydrogen atom, and R.sup.3 is not a hydrogen atom when R.sup.4 is hydrogen atom).
本文揭示了具有以下重复单元(III)的聚二苯基二炔:##STR1## (其中R.sup.1表示氢原子或甲氧基;R.sup.2表示氢原子、甲氧基或甲基氨基;R.sup.3表示氢原子或三氟甲基基团;R.sup.4表示氢原子或三氟甲基基团;但当R.sup.2为氢原子时,R.sup.1不是氢原子,当R.sup.4为氢原子时,R.sup.3不是氢原子)。