A pentaaryldiamine-containing bismaleimide compound of Formula (I):
is provided, wherein Ar
1
to Ar
5
are independently C
6
-C
12
aryl, and Ar
4
and Ar
5
may be optionally substituted. The compound of Formula (I) is obtained by steps of reacting diamine with maleic anhydride in a solvent to form an amic acid, and cyclodehydrating the amic acid in the presence of a catalyst and a dehydrating agent. The compound of Formula (I) with a nonlinear and asymmetric structure is amorphous and is readily soluble in a variety of organic solvents, such that the toughness of the product made therefrom can be improved and processing of the compound can be simplified. Furthermore, the compounds of Formula (I) having cyano substituents on the aromatic ring may exhibit better flame retardancy and heat resistance, higher oxidative stability, electron-withdrawing property etc., such that these compound have wider application in industry.
提供了一种含有五芳基二胺的双马来
酰亚胺化合物,其
化学式为(I):其中Ar1至Ar5独立地为C6-C12芳基,Ar4和Ar5可选择性地被取代。通过以下步骤获得化合物(I):在溶剂中将二胺与
马来酸酐反应形成酰胺酸,然后在催化剂和脱
水剂的存在下将酰胺酸环化脱
水。具有非线性和不对称结构的化合物(I)是非晶态的,并且容易溶解于各种有机溶剂中,从而可以提高产品的韧性并简化化合物的加工过程。此外,具有芳香环上
氰基取代基的化合物(I)可能表现出更好的阻燃性和耐热性,更高的氧化稳定性,电子吸引性等特性,使得这些化合物在工业中具有更广泛的应用。