Dyeing polyolefins using basic dyes - with acid post-treatment to increase colour depth and brilliance

Poly alpha-olefin fibres flocks, films or mouldings are dyed with basic dyes in presence of alkali at pH 8-12 at 100 degrees C, after which the unmodified polyolefins are treated in an acid bath or vapour. Intensity and brilliance of the colours is increased, and they remain fast to prolonged boilin...

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Bibliographische Detailangaben

1. Verfasser:	FAGBULE, MOSES OLUWOLE. DR., 5400 KOBLENZ
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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