Modified pigments and use thereof
AssigneeEvonik Operations GmbH
InventorsPedro Cavaleiro, Matthias Bouwman, Pascal Senter, Philippe Favresse
Life of this patent
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Abstract
A modified organic pigment can be used to make a coating composition, such as a paint, a varnish, or a printing ink. The modified organic pigment is obtained by reacting the pigments during the pigment synthesis with one interface-active compound, where the interface-active compound is a compound within a three-dimensional Hansen space determined by three coordinates, Hansen solubility parameters (HSPs), D=18.21, P=8.44, H=13.16 with a radius of 6.7 units about a center of the three-dimensional Hansen space, determined with the aid of the HSPiP software, version 5.0.0.4.
Claims17
(canceled)
The process for producing a modified organic pigment according to claim 9, wherein
- the interface-active compound is at least one member selected from the group consisting of a chemical amphiphilic compound of low molecular weight, a chemical amphiphilic compound of high molecular weight, an ionic compound of low molecular weight, an ionic compound of high molecular weight, a nonionic compound of low molecular weight, and a nonionic compound of high molecular weight.
The process for producing a modified organic pigment according to claim 9, wherein
- the interface-active compound is a phosphorylated polyether derivative.
The process for producing a modified organic pigment according to claim 9, wherein
- the interface-active compound is at least one member selected from the group consisting of a polyether-modified styrene-maleic acid copolymer and a maleate resin.
The process for producing a modified organic pigment according to claim 9, wherein
- the surface-active compound has one or more functionalities having an affinity for a surface of the organic pigment.
The process for producing a modified organic pigment according to claim 9, wherein
- the organic pigment is at least one member selected from the group consisting of an azo pigment, a diazo pigment, a condensed azo pigment, a naphthol pigment, a metal complex pigment, a thioindigo pigment, an indanthrone pigment, an isoindanthrone pigment, an anthanthrone pigment, an anthraquinone pigment, an isodibenzanthrone pigment, a triphendioxazine pigment, a quinacridone pigment, a perylene pigment, a diketopyrrolopyrrole pigment, and a phthalocyanine pigment.
The process for producing a modified organic pigment according to claim 9, which comprises 5% to 50% by weight of the interface-active compound, based on 100% by weight of the modified organic pigment.
A process for producing a modified organic pigment, the process comprising:
- 1) synthesizing a crude pigment;
- 2) working up the crude pigment by washing and filtration;
- 3) drying the crude pigment;
- and
- 4) adding an interface-active compound during said 1) synthesizing, after said 1) synthesizing, after said 2) working up, or before said 3) drying
- wherein said interface-active compound is a compound within a three-dimensional Hansen space determined by three coordinates, Hansen solubility parameters (HSPs), D=18.21, P=8.44, H=13.16 with a radius of 6.7 units about a center of the three-dimensional Hansen space,
- determined with the aid of the HSPiP software, version 5.0.0.4.
(canceled)
A process of making a composition comprising a modified organic pigment obtained by reacting an organic pigment during organic pigment synthesis with at least one interface-active compound,
- wherein the interface-active compound is a compound within a three-dimensional Hansen space determined by three coordinates, Hansen solubility parameters (HSPs), D=18.21, P=8.44, H=13.16 with a radius of 6.7 units about a center of the three-dimensional Hansen space,
- determined with the aid of the HSPiP software, version 5.0.0.4, the process comprising:
- mixing the modified organic pigment in a member selected from the group consisting of a paint precursor composition, a varnish precursor composition, a printing ink precursor composition, a coating material precursor composition, a floor coating precursor composition, a potting compound precursor composition, and a filling compound precursor composition.
Dependencies are inferred from the claim text.