Enviaments recents

  • Determination of formaldehyde content in leather: Standard EN ISO 17226, revision and possible improvements 

    Cuadros Domènech, Sara; Font Vallès, Joaquim; Cuadros Domènech, Rosa Maria; Izquierdo, Francina; Ollé Otero, Lluís; Marsal Monge, Agustín (2016-07)
    Article
    Accés restringit per política de l'editorial
    The retanning process is the main application of formaldehyde in the tanning industry since formaldehyde participates in two groups of synthetic organic tanning agents: syntans and resins. Resins can be hydrolysed with the ...
  • Development of micro/nanocomposites with antibacterial effect for leather and textile 

    Bacardit Dalmases, Anna; Casas, Concepció; Bou Serra, Jordi; Ollé Otero, Lluís (2016-06-15)
    Article
    Accés restringit per política de l'editorial
    The aim of this work was to develop new systems of micro/nanocomposites to confer new functions to materials used for seats of public vehicles and public spaces. Specifically, this study focuses on antibacterial effect for ...
  • 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
    Accés restringit per política de l'editorial
    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 ...
  • 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
    Accés obert
    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 ...
  • Low carbon products to design innovative leather processes. Part IV: Manufacture of automotive leather using tara 

    Ollé Otero, Lluís; Díaz, Jorge; Casas, Concepció; Bacardit Dalmases, Anna (2016-04-19)
    Article
    Accés restringit per política de l'editorial
    In three previous studies, it has been used the fruit of the tara tree (Cæsalpinia Spinosa) as a pre-tanning agent 1. This new tailored tara product will be able to facilitate the penetration of the tannin molecules ...
  • Reducing the use of volatile organic compounds in the leather industry 

    Cuadros Domènech, Rosa Maria; Solà, Anna; Ollé Otero, Lluís; Bacardit Dalmases, Anna (2016-02-22)
    Article
    Accés restringit per política de l'editorial
    The tanning industry uses some pollutant chemicals, which are hazardous and toxic. This paper proposes a modest research contribution to examine how to reduce or replace some of these products by less dangerous and less ...
  • Development of a new leather intermediate: wet-bright with a high dye affinity 

    Bacardit Dalmases, Anna; González, Maria; van der Burgh, Stefan; Armengol, Jordi; Ollé Otero, Lluís (2016-02-16)
    Article
    Accés restringit per política de l'editorial
    In this work we develop a new tanning process (that we call wet-bright) that produces leather free of chromium, aldehydes, aldehyde precursors and organic solvents. Due to the mineral character of the new system, the leather ...
  • Evaluation of a new sustainable continuous system for processing bovine leather 

    Bacardit Dalmases, Anna; Baquero Armans, Grau; Sorolla Casellas, Sílvia; Ollé Otero, Lluís (2015-08-15)
    Article
    Accés restringit per política de l'editorial
    The aim of the present work is to evaluate a new sustainable continuous system for processing bovine leather. By means of a prototype described in the international patent WO, 2010/070571 (A2) of the technological centre ...
  • Using viscoelastic properties to quantitatively estimate the amount of modified poly(Lactic Acid) chains through reactive extrusion 

    Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Bou Serra, Jordi; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, Mª Lluïsa (2015-05-12)
    Article
    Accés obert
    In this study the dynamic viscoelastic properties of three structurally modified poly(lactic acid) (PLA) samples processed through reactive extrusion were analyzed. While classical chromatographic and spectroscopic techniques ...
  • 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
    Accés restringit per política de l'editorial
    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 ...

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