DYED CELLULOSIC SHAPED OBJECT

PROBLEM TO BE SOLVED: To provide a dyed cellulosic shaped object formed by spun-dyeing with a heavy metal-containing dye in accordance with an amine oxide process; in particular, the dyed cellulosic shaped object with a color range of yellow, orange, red and brown.SOLUTION: This dyed cellulosic shap...

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Bibliographische Detailangaben
1. Verfasser:	RUEF HARTMUT
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G 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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING LAUNDERING METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a dyed cellulosic shaped object formed by spun-dyeing with a heavy metal-containing dye in accordance with an amine oxide process; in particular, the dyed cellulosic shaped object with a color range of yellow, orange, red and brown.SOLUTION: This dyed cellulosic shaped object is produced by the steps of: (i) dissolving cellulose in a water-soluble tertiary amine oxide to generate a cellulosic solution in which a dye is further added; (ii) forming the cellulosic solution by using a forming tool; and (iii) precipitating cellulose from the formed cellulosic solution. Here, the dye comprises titanium or spinel (MgAlO) as a principal component where the titanium is partially substituted with one or a plurality of heavy metals, and the magnesium is partially or completely substituted with one or a plurality of heavy metals, respectively, and the dye lowers the temperature rise of the cellulosic solution by 10°C at the maximum according to the temperature stability test.