申请人:Bayer Aktiengesellschaft
公开号:US05466805A1
公开(公告)日:1995-11-14
1,2-Naphthaloperinone dyestuffs of the formula (I) ##STR1## wherein Z denotes the radical for completion of a 1,2-naphthylene system and X, Y, n and m have the meaning given in the description, are prepared by condensation of substituted or unsubstituted naphthalene-1,2-dicarboxylic acids with substituted or unsubstituted naphthalene-1,8-diamines. The dyestuffs according to the invention have very good fastness properties and are employed in processes for bulk dyeing of plastics, preferably of vinyl polymers and polyesters.
1,2-萘酮染料的结构式(I)##STR1##其中Z代表用于完成1,2-萘烯系统的基团,X、Y、n和m的含义如描述中所示,通过取代或未取代的萘-1,2-二羧酸与取代或未取代的萘-1,8-二胺的缩合制备。根据本发明的染料具有非常良好的牢固性能,并用于大批量染色塑料的工艺中,优选用于乙烯聚合物和聚酯的染色。