Clariant Corporation

Martin Alexander Winter

Andreas Harz

Hans Joachim Metz

Andreas Pfrengle

Lothar Wihan

The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene glycol ether having an average molar mass of between 250 and 1000 g/mol, c) standard dispersing agents for producing aqueous pigment dispersions, d) water, and e) optionally other standard additives.

Water-based pigment dispersions, the production thereof and the use of the same

The invention relates to addition compounds of formula (1):in which: n is a number from 1 to 10; Rand Rare identical or different and are each a hydrogen atom or a saturated or unsaturated aliphatic radical having 1 to 4 carbon atoms; Rand Rare identical or different and are each a hydrogen atom or alkyl having 1 to 3 carbon atoms, and the bridge member (R+R) is in each case positioned ortho or meta in relation to the phenolic oxygen atom; Z represents a group &#x2014;CH&#x2014;CH&#x2014;, &#x2014;CH&#x2014;CH(CH)&#x2014;, &#x2014;CH(CH)&#x2014;CH&#x2014; or a combination thereof; s is number from 1 to 200; B represents hydrogen, &#x2014;CO&#x2014;CH&#x2550;CH&#x2014;COOM, &#x2014;COCH(SOM)CHCOOM, &#x2014;CO&#x2014;CH&#x2014;CH(SOM)&#x2014;COOM, &#x2014;SOM, &#x2014;SOM and/or &#x2014;POMM, whereby M is preferably a cation selected from the group Li, Na, K, NH, HO&#x2014;CH&#x2014;CH&#x2014;NH, (HO&#x2014;CH&#x2014;CH&#x2014;)NHor (HO&#x2014;CH&#x2014;CH&#x2014;)NH; and Y is a radical of an amine. The inventive addition compounds are used as dispersing agents of solids, for example, pigments, particularly in aqueous media.

Oxalkylation products produced from epoxides and amines and their use in pigment preparations

The invention relates to pigment preparations containing (a) at least one organic or inorganic pigment; (b) at least one cyclic imide of general formula (1) wherein R represents a linear-chain, branched or cyclic aliphatic radical having 10 to 30&mdash;preferably 12 to 25&mdash;carbon atoms, or an alkenyl radical having 10 to 30&mdash;preferably 12 to 25&mdash;carbon atoms, the aforementioned radicals being able to be substituted by at least one, e.g. 2, 3, 4 or 5, substituent from the group consisting of C -C -alkyl, C -C -alkoxy, C -C -aryl, hydroxy, carboxy, and sulfo, R , R , R and R are the same or different and represent hydrogen, C -C -alkyl, C -C -alkoxy, halogen, OR , NR R , &mdash;COOR , &mdash;CONR R , &mdash;NR &mdash;COR , SO NR R , &mdash;SO M, &mdash;NO , &mdash;CN or CF , R and R representing H or an alkyl radical having 1 to 10 C atoms and M representing an equivalent of a cation having a valency of 1 to 3; and (c) optionally further standard additives.

Growing community of inventors

Kelkheim, Germany

Martin Alexander Winter