• Humic acid derivatives as tanning and retanning agents 

      Bacardit Dalmases, Anna; Morera Prat, Josep Maria; Shendrik, Alexander; Jorge Sánchez, Juan; Ollé Otero, Lluís (2012-04-02)
      Article
      Accés restringit per política de l'editorial
      This study examines the behaviour of three types of humic acids (natural humic acids, regenerated humic acids, and sulphited humic acids) with regard to their capacity to be used as tans and retans. The study makes use of ...
    • Study of cross-linking reactions of epoxy compounds 

      Bacardit Dalmases, Anna; Shendrik, Alexander; Combalia Cendra, Felip; Jorge Sánchez, Juan; Ollé Otero, Lluís (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Nowadays, the leather industry needs to produce a very wide range of finished articles with different levels of performance to increase their competitiveness while minimizing their environmental impact. To reduce the ...
    • Study of cross-linking reactions of polysilanes 

      Shendrik, Alexander; Bacardit Dalmases, Anna; Ollé Otero, Lluís (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Nowadays, there are four types of commercially available cross-linkers for the leather industry: polyaziridines, polyisocyanates, polycarbodiimides and epoxy compounds. All these products present different chemical reactivity ...
    • Study of cross-linking reactions on butadiene binders in aqueous finishing 

      Bacardit Dalmases, Anna; Shendrik, Alexander; Combalia Cendra, Felip; Jorge Sánchez, Juan; Ollé Otero, Lluís (2010-12-14)
      Article
      Accés restringit per política de l'editorial
      Butadienes, like acrylic binders and polyurethanes, can be cross-linked to improve their wet fastness properties. Nowadays, four types of cross-linkers for leather finishing are available: polyaziridines,polyisocyanates, ...
    • Synthesis of highly carboxylate acrylic resins for leather impregnation 

      Ollé Otero, Lluís; Solé, M.M.; Shendrik, Alexander; Labastida, L.; Bacardit Dalmases, Anna (2012-01-11)
      Article
      Accés restringit per política de l'editorial
      This work describes the synthesis of new leather finishing acrylic resins. Four resins ware synthesized varying the concentration of ethyl acrylate, and metracrylic acid. Sodium lauryl sulphate was used as emulsifying ...