DE2308266

The polyamide fibres are formed from a mixt. of (A) a polyamide with 10-50 mol. % recurring units of formula (in which X is Li, Na, K or NH4 and the two CO groups are not in adjacent positions) and (B) a normal fibre-forming polyamide. Proportions are such as to give 10-100 g. equivs. sulphonate and...

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Bibliographische Detailangaben
Hauptverfasser:	KNOWLTON, BARRY R., ARNPRIOR, ONTARIO, CA, THOMM, ERNEST C
Format:	Patent
Sprache:	eng
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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES 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
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Beschreibung
Zusammenfassung:	The polyamide fibres are formed from a mixt. of (A) a polyamide with 10-50 mol. % recurring units of formula (in which X is Li, Na, K or NH4 and the two CO groups are not in adjacent positions) and (B) a normal fibre-forming polyamide. Proportions are such as to give 10-100 g. equivs. sulphonate and 30-80 g. equivs. amine per 106 g. mixt. X is pref. Na and (A) contains 20-40 mol % of units (I). (A) is made by melt polymsn of cpds. of formula (in which R is -OH, -Cl, -OCH3 or -OC2H5) with a mixt. of iso- or tere-phthatic acids or derivs. and 2-12C diamines and opt. 2-12C monoamino carboxylic acids or their lactams. The polyamide fibres have increased affinity for basic dyes and reduced affinity for acid dyes.