SYNERGISTS FOR QUINACRIDONE MAGENTA PIGMENTS

• Main Authors: SHAKHNOVICH, Alexander I, CLARKE, Heather E
• Format: Patent
• Language: English; French
• Published: 03.12.2020
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

Disclosed herein are compositions (e.g., pigment dispersions or ink compositions such as inkjet ink compositions) comprising at least one quinacridone magenta pigment and at least one synergist selected from compounds (A) and (B) having the following structures, wherein each n is an integer independently ranging from 1 to 4, and R1-R3 are each independently selected from H, CH3, Cl, and F, and (A) (B). L'invention concerne des compositions (par exemple, des dispersions de pigments ou des compositions d'encres telles que des compositions d'encres pour jet d'encre) comprenant au moins un pigment magenta de quinacridone et au moins un agent synergiste choisi parmi les composés (A) et (B) ayant les structures suivantes, chaque n étant un nombre entier allant indépendamment de 1 à 4, et R1 à R3 étant chacun indépendamment choisis parmi H, CH3, Cl, et F, et (A) (B).