申请人:E. I. Du Pont De Nemours and Company
公开号:US04564705A1
公开(公告)日:1986-01-14
Aromatic-aliphatic diamines of the formula ##STR1## in which Ar is an arylene or substituted arylene are useful in preparing thermally stable, rigid, polyamides, polyureas and polyurethanes having a repeating unit of the formula ##STR2## in which Ar is arylene or substituted arylene, X is --NH-- or --O--, n is 0 or 1, and R is a divalent organic radical.
具有以下结构的芳香-脂肪族二胺在制备具有重复单元结构的热稳定、坚硬的聚酰胺、聚脲和聚氨酯中非常有用:其中Ar是芳基或取代芳基,Ar是芳基或取代芳基,X是--NH--或--O--,n为0或1,R为二价有机基。