Process for preparing polyamides having a modified dye affinity and the products thus obtained

Polyamides having a modified dye affinity are prepared by polymerizing polyamide forming monomers with a mixture consisting of a dicarboxylic acid having the general formula HOOC-R-COOH, in which R is an aromatic, cyclo- aliphatic or aliphatic radical, and of a salt of a sulphonic dicarboxylic acid...

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Bibliographische Detailangaben
Hauptverfasser:	MERANI, GIANFRANCO, ANZUINO, GIUSEPPE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:	Polyamides having a modified dye affinity are prepared by polymerizing polyamide forming monomers with a mixture consisting of a dicarboxylic acid having the general formula HOOC-R-COOH, in which R is an aromatic, cyclo- aliphatic or aliphatic radical, and of a salt of a sulphonic dicarboxylic acid having the general formula:in which R has the meaning specified hereinbefore, X is a metal and n is a whole number from 1 to 4.