Exploració per tema "Tints i tenyit -- Química"

Ara es mostren els items 4-14 de 14

    • Comportamiento tintóreo de sustratos de poliamida 6 termofijados a diferentes temperaturas 

      Maillo Garrido, Josefina; Cayuela Marín, Diana; Sanchís, Gemma; Gacén Guillén, Joaquín (Instituto de Investigación Textil y Cooperación Industrial, 2006-01)
      Article
      Accés obert
      En este trabajo se ha procedido a las tinturas separadas y competitivas en tres sistemas tintóreos diferentes de sustratos de poliamida 6 termofijados a diferentes temperaturas (160-190ºC). Se ha estudiado la absorción de ...

    • Continuous reuse of water and electrolyte from decolorized reactive dyebaths 

      López Grimau, Víctor; Gutiérrez Bouzán, María Carmen; Valldeperas Morell, José; Crespi Rosell, Martin (2013-03-04)
      Article
      Accés restringit per política de l'editorial
      In this work, the feasibility of reusing water and salt from reactive dyebaths after electrochemical decolourization was evaluated. Dyeing series of ten reuses with three reactive dyes (Navy Blue Procion H-EXL, Crimson ...

    • Detección por GC-MS de trimetilamina como causa del mal olor 

      López Grimau, Víctor; Gutiérrez Bouzán, María Carmen (Instituto de Investigación Textil y Cooperación Industrial, 2005-07)
      Article
      Accés obert
      En este trabajo se utiliza la cromatografía de gases acoplada a la espectrometría de masas para determinar la causa del olor desagradable que se desprende de un tejido estampado. El análisis se lleva a cabo directamente ...

    • Electroquímica: Aplicaciones en los procesos textiles 

      Gutiérrez Bouzán, María Carmen; Sala Gastón, Mireia (2010)
      Article
      Accés restringit per política de l'editorial

    • Investigation and optimization of the performance of sono-photo-electro-Fenton process for removal of Acid Black 172 and Disperse Blue 56 from polluted water: comparison of the degradation activity with electro-Fenton-based processes 

      Mahmoudi, Nadali; Nasr Esfahani, Kourosh; Farhadian, M.; Eskandari, P.; Solaimany Nazar, A. R. (2021-04-15)
      Article
      Accés restringit per política de l'editorial
      This study investigates the decolorization of two widely used textile dyes (Acid Black 172 (AB172) and Disperse Blue 56 (DB56) by using a combined sono-photo-electro-Fenton (SPEF) process. The effects of dye structure and ...

    • Journal of Materials Chemistry C 

      El-Hachemi, Zoubir; Escudero, Carlos; Acosta-Reyes, Francisco; Casas Becerra, María Teresa; Aloni, Shaul; Oncins, Gerard; Sorrenti, Alessandro; Crusats, Joaquim; Ribó Trujillo, Josep M.; Campos López, Josefina de Lourdes (Royal Society of Chemistry, 2013-03-28)
      Article
      Accés obert
      The structure of the meso-tetrakis(4-sulfonatophenyl)porphyrin (TPPS4) J-aggregates could be determined by X-ray and electron diffraction methods. A sheet-like architecture reveals the relationship between structure and ...

    • Kinetics of dyeing in continuous circulation with direct dyes: tencel case 

      Lis Arias, Manuel José; Maesta Bezerra, Fabricio; Meng, Xu; Qian, Hongfei; Immich, Ana Paula (2019-07-16)
      Article
      Accés obert
      Due to the special characteristics of Tencel fibres, it is important to gather new data and information in order to improve our knowledge of their performance during dyeing. Kinetic equations are used to describe the ...

    • Mineralització electroquímica de colorants reactius i reutilització dels banys tractats 

      Gelabert Paris, Irene (Universitat Politècnica de Catalunya, 2014-06)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      En aquest projecte es va estudiar la descoloració i la mineralització de banys de tintura residuals amb un colorant reactiu mitjançant tractament electrolític aprofitant la presència del clorur sòlid utilitzat en la tintura. ...

    • Orange-derived and lemon-derived adsorbents with controlled grain for an efficient elimination of some cationic and anionic dyes 

      Pascual, Gemma; García Raurich, Josep; Canal Arias, José María; Riba Moliner, Marta (2021-09-22)
      Article
      Accés obert
      Purpose: This study aims to demonstrate that orange-derived and lemon-derived systems can be used in continuous processes as efficient adsorbents to the entrapment of some anionic and cationic dyes in the textile dyeing ...

    • Removal of aromatic amines and decolourisation of azo dye baths by electrochemical treatment 

      López Grimau, Víctor; Riera Torres, Miquel; López Mesas, Montserrat; Gutiérrez Bouzán, María Carmen (2013-03-17)
      Article
      Accés restringit per política de l'editorial
      The presence of aromatic amines in effluent from dyeing processes of the textile industry is an added problem to the high coloration typical of this type of effluent. The main objective of the present work was to eliminate ...

    • Study of a process based on salt-free dyeing of cellulosic fibres 

      Binti Nawang, Nurhanani Najwa (Universitat Politècnica de Catalunya, 2019-10)
      Treball Final de Grau
      Accés obert
      Industrial application of conventional dyes onto cellulose fibres requires a high amount of salt which has a negative impact on environmental ecology. In order to overcome this problem the purpose of the project is to find ...