申请人:Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
公开号:EP0259007A1
公开(公告)日:1988-03-09
A process for producing an azo pigment, which comprises coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and at least one binaphthol and optionally, laking the resulting pigment.
一种生产偶氮
颜料的工艺,包括将芳香族重氮化合物与 3-羟基-2-
萘酸和至少一种二
萘酚偶联,然后将得到的
颜料浸泡。