申请人:——
公开号:US20020095046A1
公开(公告)日:2002-07-18
Dibenzonaphthyrone of formula (I)
1
wherein A
1
and A
2
independently of each other are unsubstituted or mono- to tetra-substituted o-C
6
-C
18
arylene, with the proviso that formula (I) does not represent a dibenzonaphthyrone of the formula
2
The invention further relates to processes for the preparation thereof, to the use thereof for colouring/pigmenting high-molecular-weight organic material and to substance compositions comprising dibenzonaphthyrones.
式(I)的二苯并萘酮,其中A1和A2独立地为未取代或单取代至四取代的o- C6-C18芳基烷基,但前提是式(I)不代表式2的二苯并萘酮。本发明还涉及其制备方法,用于着色/着色高分子有机材料的用途以及包含二苯并萘酮的物质组成。