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

US7014699B2 · kind B2 · utility

Assignee

• Clariant Corporation · DE

Inventors

• Martin Winter · Munster, DE
• Hans Joachim Metz · Darmstadt, DE
• Andreas Harz · Schwalbach, DE
• Andreas Pfrengle · Bingen, DE

Key dates

• Filing date: Feb 26, 2002
• Grant date: Mar 21, 2006
• Expiry date: Feb 5, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S516/92
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to addition compounds of formula (1): in which: n is a number from 1 to 10; R1 and R2 are identical or different and are each a hydrogen atom or a saturated or unsaturated aliphatic radical having 1 to 4 carbon atoms; R3 and R4 are identical or different and are each a hydrogen atom or alkyl having 1 to 3 carbon atoms, and the bridge member (R3+R4) is in each case positioned ortho or meta in relation to the phenolic oxygen atom; Z represents a group —CH2—CH2—, —CH2—CH(CH3)—, —CH(CH3)—CH2— or a combination thereof; s is number from 1 to 200; B represents hydrogen, —CO—CH═CH—COOM, —COCH(SO3M)CH2COOM, —CO—CH2—CH(SO3M)—COOM, —SO3M, —SO2M and/or —PO3MM, whereby M is preferably a cation selected from the group Li+, Na+, K+, NH4+, HO—CH2—CH2—NH3+, (HO—CH2—CH2—)2NH2+ or (HO—CH2—CH2—)3NH+; 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.