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Recolector de Ciencia Abierta, RECOLECTA
Article . 1998 . Peer-reviewed
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Article . 1998 . Peer-reviewed
License: CC BY NC ND
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DIGITAL.CSIC
Article . 2020 . Peer-reviewed
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USO DE LIPOSOMAS INDUSTRIALES EN LA TINTURA DE LA LANA A NIVEL DE PLANTA PILOTO USANDO COLORANTES DEL TIPO COMPLEJO METALICO 1:2

Authors: Martí, Meritxell; Serra, Sebastià; Coderch Negra, Ma. Luisa; Maza Ribera, Alfonso de la; Manich i Bou, Albert Mª; Parra, José Luis;

USO DE LIPOSOMAS INDUSTRIALES EN LA TINTURA DE LA LANA A NIVEL DE PLANTA PILOTO USANDO COLORANTES DEL TIPO COMPLEJO METALICO 1:2

Abstract

Se ha investigado la aplicación de una suspensión de liposomas de tipo comercial de fosfatidilcolina de tamaño definido (aproximadamente de 100 nm) como transportador del colorante azoico de complejo metálico 1:2 "Lanaset Yellow 2R" sobre fibras de lana no tratada a nivel de planta piloto. A fin de explorar la influencia de las condiciones experimentales sobre el proceso de tintura y sobre las propiedades de los hilos teñidos se ha utilizado un modelo factorial de Box y Behnken pata tres variables. A partir de los resultados de este estudio de optimización podemos concluir que el uso de liposomas comerciales es adecuado pata teñir lana a temperaturas inferiores y/o menores períodos de tiempo que aquellos necesarios en tinturas convencionales de lana. Así, la tintura de la lana pudo realizarse a 80°C usando liposomas al 1-2% sobre peso de lana con un nivel satisfactorio de agotamiento y fjación del colorante sobre la fibra y buenas propiedades mecánicas y de tacto. La principal novedad de este procedimiento es el uso de liposomas comerciales como un simple aditivo de baño de tintura. Concentraciones crecientes de liposomas en el baño de tintura mejoraron a altas temperaturas el agotamiento del colorante sobre la fibra. Sin embargo, la fijación de colorante sobre la fibra a estas temperaturas fue independiente de la concentración de liposomas, aunque dependió de la concentración de colorante. El uso de liposomas mejoró en todos los casos el efecto de igualado del colorante con relación al uso de auxiliares convencionales. Aunque la concentración de liposomas no afectó significativamente las propiedades mecánicas de los hilos, se identificó una concentración óptima de liposomas capaz de mejorar sus caracteristicas de tacto (fricción hilo-hilo).

Nous avons fait des recherches sur l'application d'une suspension de liposomes de type commercial de phosphatidilcholine d'une certaine taille (environ 100 nm) pour transporter le colorant azoique de complexe métallique 1:2 "Lanasel Yellow 2R" sur des fibres de laine non traitée a un niveau d'usine pilote. Pour explorer l'influence des conditions expérimentales sur le cycle de teinture et sur les propriétés des fils teints, nous avons utilisé un modele industriel de Box et Behnken pour trois variables. A partir des résultats de cette étude convient à la teinture de la laine à des températures inférieures et/ou avec des durées de cycles également inférieures a celles de la teinture conventionnelle de la laine. Ainsi, nous avons pu teindre la laine à 80°C avec des liposomes employés a raison de 1-2% du poids de laine, avec un niveau satisfaisant quant mécaniques et un touceur intéressant. La principale nouveauté consiste a employer des liposomes commerciaux comme un simple adjuvant du bain de teinture. Des concentrations croissantes de liposomes dans le vain de teinture, à hautes températures, ont amélioré l'épuisement du colorant sur la fibre. Néanmoins, la fixation du colorant sur la fibre s'est avérée indépendante de la concentration des liposomes, mais dépéndante en revanche de la concentration du colorant. Dans tous les cas, les liposomes ont amélioré l'effet uniforme du colorant par rapport a l'import d'adjuvants conventionnels. Bien que la concentration des liposomes n'ait pas eu d'incidence significative sur les propriétés mécaniques des fils, nous avons identifié une concentration optimale de liposomes, capable d'améliorer les caractéristiques de toucher (friction fil contre fil).

The use of a commercial type of suspension of phosphatidylcholine liposome of a defined size (approximatively 100 nm) as a carrier of complex metallic azoic dye 1,2 "Lanaset Yellow 2R" on untreated wool fibres in a pilot plant was examined. To study the influence of experimental conditions on the dyeing process and on the properties of the dyed yarn, a Box and Behnken factorial model for three variables was used. The results obtained in this optimisation study allow us to conclude that commercial liposomes are suitable for dyeing of wool at lower temperatures and/or shorter periods of time than those necessary for conventional wool dyeing. Thus, wool dyeing was carried out at a temperature of 80° using liposomes at 1-2% of wool weight with a satisfactory level of exhaustion and colour fixing on the fibre and good mechanical and tactile properties. The main novelty of this procedure is the use of commercial liposomes as a simple additive to the dye bath. Increased concentrations of liposomes in the dye bath improved dye exhaustion on the fibre at high temperatures. Nevertheless, colour fixing on the fibre at these temperatures was independent of the liposome concentration, although it did depend on dye concentration. In all cases the use of liposomes improved colour uniformity as compared to conventional auxiliaries. Although liposome concentration did not have any significant effect on the mechanical properties of the yarn, an optimum liposome concentration was identified which was capable of improving tactile characteristics (yarn-yarn friction).

Peer Reviewed

Country
Spain
Keywords

Àrees temàtiques de la UPC::Enginyeria tèxtil ::Fabricació tèxtil::Tintura, Liposomes, Colorants azoics, Àrees temàtiques de la UPC::Enginyeria tèxtil ::Fibres tèxtils::Fibres naturals, Coloring matter, Tints i tenyit -- Llana, :Enginyeria tèxtil ::Fibres tèxtils::Fibres naturals [Àrees temàtiques de la UPC], Dyes and dyeing -- Wool, :Enginyeria tèxtil ::Fabricació tèxtil::Tintura [Àrees temàtiques de la UPC]

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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