| abstract |
The present invention relates to a kind of 4- oxyquinolines ketone group heterocycle azo disperse dyes and preparation method thereof, the 4- oxyquinolines ketone group heterocycle azo disperse dyes are made of diazo component and coupling component two parts, the wherein described coupling component is the heterocycle active methylene compound being coupled under alkaline condition or heterocycle phenolic compound, the diazo component alkalescent heterocycle arylamine or alkalescent anil.The preparation method is in the presence of a stabilizer, to carry out diazotising to alkalescent heterocycle arylamine or alkalescent anil in organic solvent, stable diazosalt solid is precipitated, and after solid is obtained by filtration, it is applied to alkaline coupling, obtains target dyestuff.The dyestuff can be applied to polyester fiber, Fypro, acid fiber by polylactic, polypropylene fibre, acetate fiber dyeing, have excellent dyeing brightness. |