SYNERGISTS FOR DIMERIC PIGMENTS

Disclosed herein are compositions comprising a dimeric (diarylide) pigment and a synergist, in which the synergist has a structure similar to a monomer of the dimeric pigment. Also disclosed are aqueous dispersions and inkjet inks comprising such compositions. In a first preferred composition, the s...

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Bibliographic Details
Main Authors SHAKHNOVICH, Alexander I, CLARKE, Heather E
Format Patent
LanguageEnglish
French
Published 12.09.2024
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
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Summary:Disclosed herein are compositions comprising a dimeric (diarylide) pigment and a synergist, in which the synergist has a structure similar to a monomer of the dimeric pigment. Also disclosed are aqueous dispersions and inkjet inks comprising such compositions. In a first preferred composition, the symmetric diarylide pigment has the following structure: (P-1) and the synergist has the following structure: (S-1). In a second preferred composition, the symmetric diarylide pigment has the following structure: (P-2) and the synergist has the following structure: (S-2). L'invention concerne des compositions comprenant un pigment dimère (diarylide) et un synergiste, le synergiste ayant une structure similaire à un monomère du pigment dimère. L'invention concerne également des dispersions aqueuses et des encres pour jet d'encre comprenant de telles compositions.
Bibliography:Application Number: WO2024US10839