The present invention relates to a method of preparing a yellow pigment comprising an asymmetric quinolonoquinolone in an amount greater than 5% by weight of the yellow pigment. Also disclosed are modified yellow pigments comprising this yellow pigment having attached at least one organic group as well as inkjet ink compositions comprising the yellow pigments or the modified yellow pigments.
[EN] METHOD OF PREPARING YELLOW PIGMENTS<br/>[FR] PROCEDE DE PREPARATION DE PIGMENTS JAUNES
申请人:CABOT CORP
公开号:WO2007047975A2
公开(公告)日:2007-04-26
[EN] The present invention relates to a method of preparing a yellow pigment comprising an asymmetric quinolonoquinolone in an amount greater than 50 % by weight of the yellow pigment. Also disclosed are modified yellow pigments comprising this yellow pigment having attached at least one organic group as well as inkjet ink compositions comprising the yellow pigments or the modified yellow pigments. [FR] L'invention porte: sur un procédé de préparation d'un pigment jaune comportant une quinolonoquinolone asymétrique à raison de plus de 50 % en poids du pigment jaune, des pigments jaunes modifiés le susdit pigment jaune auquel est fixé au moins un groupe organique. L'invention porte également sur des encres pour jets d'encre comportant ledit pigment jaune, ou lesdits pigments jaunes modifiés.