The leaching of Rhodamine B, Naphthol Blue Black, Metanil Yellow and Bismarck Brown R from silica deposits on polyester and viscose textiles

Rhodamine B (RB), Naphthol Blue Black (NBB), Metanil Yellow (MTY) and Bismarck Brown R (BHR) immobilized within a modified silica sol were used for the surface dyeing of textiles, namely polyester and viscose fabrics. Silica sols were characterized by FTIR and dynamic light-scattering measurements....

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2008-04, Vol.46 (1), p.47-56
Main Authors: Nedelčev, T., Krupa, I., Lath, D., Špírková, M.
Format: Article
Language:English
Subjects:
Acidification
Ceramics
Chemistry
Chemistry and Materials Science
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Composites
Deposits
Dyeing
Dyes
Ethanol
Exact sciences and technology
Fabrics
General and physical chemistry
Glass
Immersion coating
Inorganic Chemistry
Leaching
Light scattering
Materials Science
Nanotechnology
Naphthol
Natural Materials
Optical and Electronic Materials
Original Paper
Polyesters
Precursors
Rhodamine
Silicon dioxide
Tetraethyl orthosilicate
Textiles
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Summary:Rhodamine B (RB), Naphthol Blue Black (NBB), Metanil Yellow (MTY) and Bismarck Brown R (BHR) immobilized within a modified silica sol were used for the surface dyeing of textiles, namely polyester and viscose fabrics. Silica sols were characterized by FTIR and dynamic light-scattering measurements. The sol was dip-coated onto the fabrics and deposits were formed. Three similar procedures for the formation of silica deposits, using tetraethoxysilane (TEOS) and (3-glycidoxypropyl)trimethoxysilane (GPTMS) as precursors in acidified ethanol, were tested. Interactions between dyes and silica precursors were investigated by FTIR measurements. Leaching was detected and quantified by UV–Vis measurements on the composition of washing solutions. Incorporation of GPTMS into silica sols reduces dye leaching from the silica deposits.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-008-1713-4