Organic pigments surface-modified by grafting

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES

C09B68/00Organic pigments surface-modified by grafting

C09B68/20characterised by the process features C09B68/22Acid treatment C09B68/24Azo-coupling C09B68/26Oxidation C09B68/28Complexing C09B68/40characterised by the chemical nature of the attached groups C09B68/41Polymers attached to the pigment surface C09B68/42Ionic groups C09B68/423Cationic groups C09B68/4235Ammonium groups or derivatives thereof C09B68/425Anionic groups C09B68/4253Sulfonic acid groups C09B68/4257Carboxylic acid groups C09B68/427Ionic groups and at least one triazine ring present at the same time C09B68/44Non-ionic groups C09B68/441Sulfonic acid derivatives C09B68/443Carboxylic acid derivatives C09B68/444Polyether C09B68/446Amines or polyamines C09B68/447Alkyl groups C09B68/4475Substituted alkyl groups C09B68/449Unsaturated carbohydrates groups C09B68/4495Substituted unsaturated carbohydrates groups C09B68/46Aromatic cyclic groups C09B68/463Substituted aromatic groups C09B68/467Heteroaromatic groups C09B68/46735-Membered rings C09B68/46776-Membered rings C09B68/46775Triazine C09B68/48Non-aromatic cyclic groups C09B68/485Substituted non-aromatic cyclic groups