N-Alkyl glucamine-based universal pigment dispersions
AssigneeClariant International Ltd.
InventorsRainer Kupfer, Christoph Söffing, Jörg Rüger
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Abstract
The invention relates to aqueous binder-free pigment dispersions containing (A) at least one organic and/or inorganic pigment, (B) one or more dispersing agents and/or surfactants, (C) at least one base of formula (I), where R1 is H, C1-C4-alkyl, CH2CH2OH or CH2CH(CH3)OH, (D) optionally, one or more polyalkylene glycols, (E) optionally, other additives commonly used for making aqueous pigment dispersions, and (F) water.
Claims27
An aqueous, water-thinnable or solvent borne varnish comprising at least one aqueous, binder-free pigment dispersion, wherein the at least one aqueous, binder-free pigment dispersion comprises
- (A) at least one organic and/or inorganic pigment,
- (B) one or more dispersants and/or surfactants,
- (C) at least one compound of the formula (I)
- in which R1 is H, C1-C4-alkyl, CH2CH2OH or CH2CH(CH3)OH, and
- (F) water.
An aqueous, water-thinnable or solvent borne paint comprising at least one aqueous, binder-free pigment dispersion, wherein the at least one aqueous, binder-free pigment dispersion comprises
- (A) at least one organic and/or inorganic pigment,
- (B) one or more dispersants and/or surfactants,
- (C) at least one compound of the formula (I)
- in which R1 is H, C1-C4-alkyl, CH2CH2OH or CH2CH(CH3)OH, and
- (F) water.
An aqueous, water-thinnable or solvent borne ink comprising at least one aqueous, binder-free pigment dispersion, wherein the at least one aqueous, binder-free pigment dispersion comprises
- (A) at least one organic and/or inorganic pigment,
- (B) one or more dispersants and/or surfactants,
- (C) at least one compound of the formula (I)
- in which R1 is H, C1-C4-alkyl, CH2CH2OH or CH2CH(CH3)OH, and
- (F) water.
Dependencies are inferred from the claim text.