申请人:TOYO INK MANUFACTURING CO., LTD.
公开号:EP0480705A1
公开(公告)日:1992-04-15
A monoazo lake pigment, a process for its production, and its use; the monoazo lake pigment is obtained by subjecting an aromatic amine having a soluble group as a diazo component and either β-naphthol or β-oxynaphthoic acid as a coupler component into a coupling reaction and forming a lake pigment from a coupling reaction product during or after the coupling reaction, the coupler component containing 0.1 to 30 mol% based said coupler component, of a compound of the following formula (1),
一种单偶氮湖泊颜料、其生产工艺及其用途;该单偶氮湖泊颜料是通过将具有可溶性基团的芳香胺作为重氮组分与作为偶联组分的β-萘酚或β-氧代萘酸进行偶联反应,并在偶联反应期间或之后由偶联反应产物形成湖泊颜料而获得的,偶联组分中含有 0.1 至 30 摩尔%的下式(1)化合物、