Levelling agents for and process for colouring a fibrous natural polyamide with reactive dyes

Abstract

Abstract A LEVELLING AGENT FOR COLOURING A FIBROUS NATURAL POLYAMIDE WITH A REACTIVE DYE IS CONSTITUTED BY AN ALKOXYLATED AMINE OR AN ADDITION PRODUCT THEREOF WITH A POLYBASIC ACID, OR QUATERNIZATION PRODUCT THEREOF, OR AN ESTERIFICATION PRODUCT THEREOF (ESPECIALLY A SULPHATION PRODUCT), OR AN ETHERIFICATION PRODUCT THEREOF, SAID ALKOXYLATED AMINE BEING SIMILAR TO PREVIOUSLY USED LEVELING AGENTS FOR SIMILAR PURPOSES, EXCEPT THAT THE ALKOXYLATED PORTION CONTAINS BOTH ETHYLENE OXIDE AND PROPYLENE OXIDE GROUPS, BUTYLENE OXIDE GROUPS BEING OPTIONALLY PRESENT IN ADDITION TO SAID ETHYLENE OXIDE AND PROPYLENE OXIDE GROUPS; THE COLOURING MAY BE EFFECTED, E.G., BY DYEING, PADDING OR PRINTING AND THE NATURAL POLYAMIDE IS PREFERABLY WOOL, E.G. IN THE FORM OF YARN OR CLOTH.

Inventors

• 👤 Hans-Peter Baumann

Bibliographic Details