PIGMENT PREPARATION
The invention relates to a solid pigment preparation comprising at least 35% by weight of one or more pigments and at most 65% by weight of a dispersant resin, wherein the dispersant resin comprises a polyester backbone having at least one pendent hydrophilic polyalkylene oxide monoalkylether group,...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The invention relates to a solid pigment preparation comprising at least 35% by weight of one or more pigments and at most 65% by weight of a dispersant resin, wherein the dispersant resin comprises a polyester backbone having at least one pendent hydrophilic polyalkylene oxide monoalkylether group, the dispersant resin comprising 30 to 80% by weight of alkylene oxide units and having a number average molecular weight of 1,000 to 150,000.
Préparation de pigment solide comprenant, en poids, au moins 35 % d'un ou plusieurs pigments et au plus 65 % de résine de dispersion, laquelle comporte un squelette de polyester ayant au moins un groupe pendant de monoalkyléther d'oxyde de polyalkylène hydrophile, renferme en poids entre 30 et 80 % d'unités d'oxyde d'alkylène et a un poids moléculaire moyen en nombre compris entre 1 000 et 150 000. |
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