Printing and dyeing of halloysite nano clay hybrid with natural chlorophyll dye on cotton fabric
2024
López-Rodríguez, Daniel | Jordán-Núñez, Jorge | Micó-Vicent, Bàrbara | Belda, Antonio | Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente | Fisiología Vegetal Aplicada
This work deals with the synthesis of hybrids formed by the natural dye chlorophyll and halloysite for their subsequent application in the textile field. Once the pigments have been synthesized, with 98 % adsorption, they are used for two textile colouring functions, namely printing and dyeing. In both cases, satisfactory and interesting results were obtained. The hybrids were characterized by FTIR, XRD, TGA, SEM-EDX, BET and all the appropriate colour measurements were carried out to obtain the coordinates in CIELAB space and also to know their total solar reflectance (TSR) 45.98 %. In addition, statistical techniques were used with the use of ANOVA to evaluate the results obtained. The dyeing was carried out by exhaustion and its use was compared with the use of nibbled and non-nibbled fabrics. The textiles were tested for fastness and the results are presented in instrumentally obtained grey scale values, achieving in some cases values of 4–5. Thus, the chlorophyll adsorption capacity of halloysite and its stabilisation for subsequent application in printing and dyeing processes on textile substrates has been demonstrated. This process could be scalable at an industrial level.
Afficher plus [+] Moins [-]Vice-rectorate for research of the UPV for Funding for open access charge: CRUE-Universitat Politècnica de València. The project ‘Microbiomat: R + D new dyes for application in vegetable textiles and alternative biomaterials to leather to obtain products for the fashion sector’ is financed by the Valencian Agency for Innovation through the Strategic Projects programme with file number INNEST/2022/214 and is made up of the following consortium José Gisbert S.L. Perchados Textiles S.A., Guerola S.A., Mapelor S.L., Acabados Pegasa S.L. and UPV.
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