Now showing items 1-20 of 61

    • A comprehensive evaluation of physical and environmental performances for wet-white leather manufacture 

      Shi, Jiabo; Puig Vidal, Rita; Sang, Jun; Lin, Wei (2016-12-15)
      Article
      Open Access
      This paper presents the comprehensive evaluation results of physical and environmental performances for a novel wet-white (chrome-free) leather manufacturing. The tanning process is optimized as 15 wt% tannic acid (TA) ...
    • A Simple Test to Determine the Propensity of a Sample of Leather to the Formation of Chromium(VI) 

      Cuadros Domènech, Rosa Maria; Font Vallès, Joaquim (2018-02-01)
      Article
      Restricted access - publisher's policy
    • Acció enzimàtica sobre l'elastina d'un cuir curtit al crom 

      Solé Ferrer, Maria Mercè (Universitat Politècnica de Catalunya, 2001-07)
      Master thesis (pre-Bologna period)
      Open Access
      L'estudi tècnic va començar amb un seguiment de l'activitat enzimàtica damunt d'un substrat artificial, pols d'elastina. El curs de la reacció va ser seguit per mitjà d'assaig espectrofotomètric. A partir dels resultats ...
    • Análisis del ciclo de vida de un cuero vegetal hidrofugado 

      Bacardit Dalmases, Anna; Baquero Armans, Grau; Casas, Concepció; Sorolla, Sílvia; Ollé Otero, Lluís (2018)
      Conference report
      Restricted access - publisher's policy
      El objetivo de este trabajo es comparar ambientalmente un nuevo proceso de curtido vegetal para obtener un cuero hidrofugado con el proceso de curtido vegetal convencional. La comparación comprende el análisis de aguas ...
    • Análisis del ciclo de vida de un proceso de curtición para la obtención de cueros biodegradables mediante recursos naturales sostenibles procedentes de los residuos de la explotación forestal del pino 

      Bacardit Dalmases, Anna; Conde, Mireia; Baquero Armans, Grau; Combalia Cendra, Felip; Ollé Otero, Lluís (2018)
      Conference report
      Restricted access - publisher's policy
      Este trabajo forma parte de un proyecto de investigación para obtener un nuevo tanino a partir de los residuos de la explotación del pino que tenga alta capacidad de curtición de la piel. Después de haber realizado un ...
    • Application of highly carboxylate resins in aqueous emulsion for leather coating avoiding the use of isopropyl alcohol 

      Ollé Otero, Lluís; Baquero Armans, Grau; Solé, Mercè; Cuadros Domènech, Rosa Maria; Bacardit Dalmases, Anna (2016-08-15)
      Article
      Open Access
      Today, the first stages of the finishing processes of buffed cattle hides or full loose grain – known as impregnation – are largely carried out with acrylic resins and penetrating agents (typically, a mixture of surfactants ...
    • Application of Life Cycle Assessment to Footwear 

      Milà Canals, Llorenç; Domènech Antúnez, Xavier; Rieradevall, J.; Fullana Palmer, Pere; Puig Vidal, Rita (1998-06)
      Article
      Restricted access - publisher's policy
      Life Cycle Assessment (LCA) has been applied in the leather footwear industry. Due to the fact that the goal of the study is to point those steps in the footwear cycle which contribute most to the total environmental ...
    • Auxiliary agents with non-swelling capacity used in pickling/tanning processes. Part 3. 

      Marsal Monge, Agustín; Ramón, Palop; Font Vallès, Joaquim; Cot Cosp, Jaume; Frías, Vicente; Manich Bou, Albert M. (2004)
      Article
      Restricted access - publisher's policy
      In the present work, the behaviour of the four commercial products with non-swelling capacity in the pickling/tanning processes of sheepskins is studied. The successful application of these products to thinner skins would ...
    • Biodegradation of leather tanned with inorganic salts 

      Bacardit Dalmases, Anna; Jorba, Montse; Font Vallès, Joaquim; Shendrik, Alexander; Ollé Otero, Lluís (2011-04-14)
      Article
      Restricted access - publisher's policy
      This paper aims to evaluate the physical, chemical and biological processes associated with the deterioration of leather tanned with inorganic salts. The samples of leather were exposed during eight months to outdoor ...
    • Carbon footprint and toxicity indicators of alternative chromium free tanning in China 

      Xu, Xiaoying; Baquero Armans, Grau; Puig Vidal, Rita; Shi, Jiabo; Sang, Jun; Lin, Wei (2015-05-01)
      Article
      Restricted access - publisher's policy
      This paper analyzes, from a life cycle perspective, the environmental performance of a newly developed chromium-free tanning process compared to the conventional one, in China. Both processes were evaluated by using carbon ...
    • Comparación del envejecimiento debido a la exposición a un ambiente tropical artificial y exposición directa a la intemperie 

      Ollé Otero, Lluís; Cobos, Mireia; Font Vallès, Joaquim; Bacardit Dalmases, Anna (2010-05-07)
      Conference report
      Open Access
      El cuero para tapicería de automóvil puede ser sometido a condiciones ambientales extremas produciendo su envejecimiento prematuro. Los factores más importantes en la degradación del cuero durante su exposición ambiental ...
    • Comparison of the weathering variables on both chrome-tanned and wet-white leather ageing 

      Ollé Otero, Lluís; Jorba, Montse; Castell, Joan Carles; Font Vallès, Joaquim; Bacardit Dalmases, Anna (2011)
      Conference lecture
      Open Access
      Leather is a natural material that can be used in different environments and often under aggressive environmental conditions that may cause premature ageing. The most important factors influencing the degradation of leather ...
    • Corporate carbon footprint for country Climate Change mitigation: A case study of a tannery in Turkey 

      Kiliç, Eylem; Puig Vidal, Rita; Zengin, Gökhan; Adigüzel Zengin, Arife Candas; Fullana Palmer, Pere (Elsevier, 2018-09-01)
      Article
      Open Access
      Assessment of carbon emissions and environmental impact of production is indispensable to achieve a sustainable industrial production in Turkey, especially for those companies willing to compete in new international green ...
    • Curtición vegetal con extracto de semilla de uva 

      Ramon Arcal, Salvador; Bacardit Dalmases, Anna; Font Vallès, Joaquim; Ollé Otero, Lluís (Publicació Electrònica en CD-ROM, 2012)
      Conference report
      Open Access
      El objetivo de este trabajo es estudiar la viabilidad de usar el extracto de semilla de uva procedente de subproductos de la industria vinícola, como fuente sostenible y renovable de taninos para curtir pieles vacunas ...
    • Desarrollo de productos a partir de Caesalpinia spinosa 

      Bacardit Dalmases, Anna; Díaz, Jorge; Casas, Concepció; Ollé Otero, Lluís (2017-01-02)
      Article
      Open Access
      En estudios anteriores se han desarrollado modificaciones químicas y físicas para obtener una tara modificada con un mayor porcentaje de taninos y con una mejor capacidad de penetración y fijación en cuero mediante una ...
    • Design of dehydration and stabilization process for biopelt 

      Sorolla Casellas, Sílvia; Sabé, Rosa; Adzet, José; Castell, Joan Carles; Bacardit Dalmases, Anna; Ollé Otero, Lluís (2011-04-14)
      Article
      Restricted access - publisher's policy
      The aim of the present work is to generate at laboratory scale a biomaterial developed by in-vitro technology with similar characteristics to genuine leather. The generation of an in-vitro tissue from bovine fibroblasts ...
    • Determinació d'anions d'interès en adoberia mitjançant cromatografia iònica 

      Pérez Quiñones, Carme (Universitat Politècnica de Catalunya, 2017-07-19)
      Doctoral thesis
      Open Access
      The laboratories of the leather sector have the necessity to analyse anionic species in different samples. Although ionic chromatography is currently the best method for this analysis, until now, the processes based on it ...
    • Determinación de COV y SCOV en muestras del sector del cuero: Uso de las técnicas instrumentales de TD/GC-MS 

      Sorolla, Sílvia; Casas, Concepció; Flores, Antònia; Ollé Otero, Lluís; Bacardit Dalmases, Anna (2018)
      Conference report
      Restricted access - publisher's policy
      Este trabajo tiene como principal objetivo dar una visión globalizada del equipamiento disponible en el centro de investigación Cátedra A3 utilizado para el análisis de compuestos orgánicos volátiles (COV) y compuestos ...
    • Determinación de fungicidas en piel y en baños de tenería 

      Reyes, Maria Reyes; Font Vallès, Joaquim; Bacardit Dalmases, Anna; Cuadros, Sara; Marsal, Agustí (2016-04-04)
      Article
      Open Access
      En este artículo se presentan dos métodos de análisis para determinar fungicidas utilizados en la industria del cuero. Un método determina fungicidas en piel y el otro en baños de proceso de tenería. Las moléculas ...
    • Determination of Formaldehyde Content in Leather: EN ISO 17266 Standard. Influence of the Agitation Method Used in the Initial Phase of Formaldehyde Extraction 

      Manich Bou, Albert M.; Cuadros Domènech, Sara; Font Vallès, Joaquim; Bacardit Dalmases, Anna; Combalia Cendra, Felip; Marsal Monge, Agustín (2017-05-08)
      Article
      Restricted access - publisher's policy
      Given the carcinogenic character of formaldehyde, it should be reliably determined in any substrate . The EN ISO 17226 Standard is the Official Method to quantify formaldehyde in leather. However, sorne misunderstandings ...