A diarylide yellow pigment formed by a coupling reaction of a benzidine and a mixture comprising 4-chloro-2,5-dimethoxy-acetoacetanilide and 2,4-dimethyl-acetoacetanilide. The diarylide yellow pigment has a desirable reddish shade than C.I. Pigment Yellow 83, exists in a solid solution, and contains fewer aromatic amine impurities.
申请公布号
WO2009129455(A2)
申请公布日期
2009.10.22
申请号
WO2009US40944
申请日期
2009.04.17
申请人
SUN CHEMICAL CORPORATION;SCHWARTZ, RUSSELL;CASSIAS, ULRIK;NIELSEN, PALLE, CHRIS
发明人
SCHWARTZ, RUSSELL;CASSIAS, ULRIK;NIELSEN, PALLE, CHRIS