As new compositions of matter, 2,2'-bis(phenylethynyl)-4,4'-diaminobiphenyl and 2,2'-bis(phenylethynyl)-5,5'-diaminobiphenyl. The compounds are useful as monomers suitable for the preparation of thermally stable polymer systems such as polyimides, polyamides and poly-Schiff bases.
作为新的物质组成,2,2'-二(
苯乙炔基)-4,4'-二
氨基
联苯和2,2'-二(
苯乙炔基)-5,5'-二
氨基
联苯。这些化合物可作为单体,适用于制备热稳定的高分子体系,例如聚
酰亚胺、聚酰胺和聚-席夫碱。