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US 6,245,138 B1Granted
Pigment preparations useful for ink-jet printing
AssigneeBayer Aktiengesellschaft
InventorsRoger Nyssen, Dirk Pfützenreuter, Rolf Richter, Fritz Puchner, Karin Hassenrück
Life of this patent
Estimating the term…
Abstract
The invention relates to aqueous pigment preparation containing an ionic alkoxylated styrene-phenol condensate or a mixture thereof with a hydroxy-terminated alkoxylated styrene-phenol condensate.
Claims4
A pigment preparation comprising
- (a) water,
- (b) a compound having the formula
- wherein
- X is —CO—(R19)—COO,
- cat is a cation selected from the group consisting of H+, Li+, Na+, K+, NH4+, and HO—CH2CH2—NH,
- m′ is a number from 1 to 4,
- n′ is a number from 6 to 120,
- R15′ is hydrogen or C1-C4 alkyl,
- R16′ is hydrogen or CH3,
- R17′ is hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkoxycarbonyl), or phenyl,
- R18′ is independently for each —(CH2—CHR18′—O)—unit hydrogen, CH3, or phenyl, with the proviso that either (i) 0 to 60% of the total R18′ is CH3 and 40 to 100% of the totaI R18′ is hydrogen or (ii) 0 to 60% of the total R18 is phenyl and 40 to 100% of the total R18 is hydrogen, and
- R19 is a divalent aliphatic or aromatic group, and
- (c) a pigment.
10 more elements
A pigment preparation comprising
- (a) water,
- (b) a mixture comprising
- (1) a compound having the formula
- wherein
- X is —SO3−, —SO2−, —PO32−, or —CO—(R18)—COO−,
- cat is a cation selected from the group consisting of H+, Li+, Na+, K+, NH44+, and HO—CH2CH2—NH3+, with the proviso that two cat must be present if X is —PO32-,
- m′ is a number from 1 to 4,
- n′ is a number from 6 to 120,
- R15′ is hydrogen or C1-C4 alkyl,
- R16′ is hydrogen or CH3,
- R17′ is hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkoxycarbonyl, or phenyl,
- R18′ is independently for each —(CH2—CHR18′—O)—unit hydrogen, CH3, or phenyl, with the proviso that either (i) 0 to 60% of the total R18′ is CH3 and 40 to 100% of the total R18′ is hydrogen or (ii) 0 to 60% of the total R18 Is phenyl and 40 to 100% of the total R18 is hydrogen, and
- R19 is a divalent aliphatic or aromatic group, and
- (2) a compound having the formula
- wherein
- m is a number from 1 to 4,
- n is a number from 6 to 120,
- R15 is hydrogen or C1-C4 alkyl,
- R16 is hydrogen or CH3,
- R17 is hydrogen, C1-C4 alkyl, C1-C4 alkoxy, Cl—C, alkoxycarbonyl, or phenyl,
- R18 is independently for each —(CH2—CHR18—O)—unit hydrogen, CH3, or phenyl, with the proviso that either (i) 0 to 60% of the total R18 is CH3 and 40 to 100% of the total R18 is hydrogen or (ii) 0 to 60% of the total R18 is phenyl and 40 to 100% of the total R18 is hydrogen,
- excluding mixtures in which m or m′ is a number less than or equal 3 or n or n′ is a number from 6 to 100, and
- (c) a pigment.
20 more elements
A method comprising inkjet printing with a printing ink containing a pigment preparation comprising
- (a) water,
- (b) a compound having the formula
- wherein
- X is —SO3−, —SO2−, —PO32−, or —CO—(R19)—COO−,
- cat is a cation selected from the group consisting of H+, Li+, Na+, K+, NH4+, and HO—CH2CH2—NH3+, with the proviso that two cat must be present if X is —PO32−,
- m′ is a number from 1 to 4,
- n′ is a number from 6 to 120,
- R15′ s is hydrogen or C1-C4 alkyl,
- R16 is hydrogen or CH3,
- R17′ is hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 alkoxycarbonyl, or phenyl,
- R18′ is independently for each —(CH2-CHR18′—O)—unit hydrogen, CH3, or phenyl, with the proviso that either (i) 0 to 60% of the total R18′ is CH3 and 40 to 100% of the total R18′ is hydrogen or (ii) 0 to 60% of the total R18 is phenyl and 40 to 100% of the total R18 is hydrogen, and
- R19 is a divalent aliphatic or aromatic group, and
- (c) a pigment.
10 more elements
Dependencies are inferred from the claim text.