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Materiale Plastice
https://doi.org/10.37358/Mat.Plast.1964

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ISSN 0025-5289
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Materiale Plastice, Volume 51, Issue 1, pp. (2014)




CEZAR-DORU RADU, ELENA BERCU, ION SANDU, LILIANA-GEORGETA FOIA Influence of Maleic Polyelectrolytes on the Methylene Blue at Dyeing of Polyacrylonitrile Fibres


Abstract:
The present study pursues the influence of polyelectrolytes based on maleic co-polymers with styrene and vinyl acetate under the form of natrium salt, on the colour parameters CIEL*a*b* of the Melana type polyacrylonitrile fibers dyed with Methylene blue. The work is part of a study on the metachromacy of cationic dyestuffs at dyeing the polyacrylonitrile fibres in the presence of cationic polyelectrolytes. The colours attributes are analyzed in terms of the tinctorial conditions: polyelectrolyte character and concentration, dyeing temperature and during time. Keywords: maleic polyelectrolytes, polyacrylonitrile fibres, colour differences, tinctorial parameters, methylene Blue



Issue: 2014 Volume 51, Number 1
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