Ara es mostren els items 1-20 de 25

    • A new approach to the internal sizing of paper via biotechnological processes 

      García Ubasart, Jordi; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work deals with the study of a new biotechnological procedure, employing laccase in combination with hydrophobic compounds, for the biomodification of fibres and the internal sizing of paper. Cellulose fibres from ...
    • A new procedure for the hydrophobization of cellulose fibre using laccase and a hydrophobic phenolic compound 

      García Ubasart, Jordi; Colom Pastor, José F.; Vila Babarro, Carlos; Hernández, Núria; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2012-05)
      Article
      Accés restringit per política de l'editorial
      A new biotechnological procedure using laccase in combination with a hydrophobic phenolic compound (lauryl gallate) for the hydrophobization of cellulose fibres and internal sizing of paper was developed. Cellulose fibres ...
    • An approach to industrial application: influence of black liquor and pH on xylanase efficiency in bleaching of eucalyptus kraft pulp 

      Fillat Latorre, Úrsula; Roncero Vivero, María Blanca; Bassa, Alexandre; Sacón, Vera Maria (American Chemical Society (ACS), 2010-11-17)
      Article
      Accés restringit per política de l'editorial
      To obtain a more realistic appraisal of the potential efficiency of xylanases in the industrial bleaching, the influence of pH and the presence of black liquor (measured as COD) on the bleaching efficiency of two commercial ...
    • Application of surface enzyme treatments using laccase and a hydrophobic compound to paper-based media 

      Cusola Aumedes, Oriol; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2013-01-11)
      Article
      Accés restringit per política de l'editorial
      A new approach for the hydrophobization of finished cellulosic substrates based on a previously reported enzymatic technique is proposed. Commercial finished paper was hydrophobized by using laccase from Trametes villosa ...
    • Bacterial cellulose-chitosan paper with antimicrobial and antioxidant activities 

      Cabañas Romero, L. Verónica; Valls Vidal, Cristina; Valenzuela, Susana V.; Roncero Vivero, María Blanca; Javier Pastor, F.I.; Diaz Lucea, M. Pilar; Martínez Martínez, Josefina (2020-03-12)
      Article
      Accés obert
      The production of paper-based bacterial cellulose-chitosan (BC-Ch) nanocomposites was accomplished following two different approaches. In the first, BC paper sheets were produced and then immersed in an aqueous solution ...
    • Development of an antimicrobial bioactive paper made from bacterial cellulose 

      Buruaga Ramiro, Carolina; Valenzuela, Susana V.; Valls Vidal, Cristina; Roncero Vivero, María Blanca; Javier Pastor, F.I.; Diaz Lucea, M. Pilar; Martinez Soler, Josefina (2020-09-01)
      Article
      Accés obert
      Bacterial cellulose (BC) has emerged as an attractive adsorptive material for antimicrobial agents due to its fine network structure, its large surface area, and its high porosity. In the present study, BC paper was first ...
    • El empleo de Washi en instituciones de salvaguarda de patrimonio sobre papel en Europa 

      Rabanedo Cerrillo, Eugenio; Roncero Vivero, María Blanca; Cusola Aumedes, Oriol (OmniaScience, 2024-01)
      Comunicació de congrés
      Accés obert
      El washi –también conocido como papel japonés–, es uno de los productos de la industria papelera más frecuentemente empleados para la restauración y conservación de patrimonio cultural, documental y gráfico sobre papel. ...
    • Elucidating the effects of laccase-modifying compounds treatments on bast and core fibers in flax pulp 

      Fillat Latorre, Amanda; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2012-01)
      Article
      Accés restringit per política de l'editorial
      Laccases in combination with various chemical compounds have been tested with a view to obtain environmental friendly, high-value paper products from unbleached flax pulp, which is currently being assessed as a raw material ...
    • Enhanced fully cellulose based forward and reverse blood typing assay 

      Casals Terré, Jasmina; Farré Lladós, Josep; López Martínez, Joan Antoni; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2019-05-07)
      Article
      Accés obert
      This study presents an enhanced paper-based analytical device (PAD) for forward and reverse group blood typing. The proposed PAD uses a novel methodology, which provides highly reliable results on a fully cellulose based ...
    • Enzymatic treatments of pulp using laccase and hydrophobic compounds 

      García Ubasart, Jordi; Esteban, Alberto; Vila Babarro, Carlos; Roncero Vivero, María Blanca; Colom Pastor, José F.; Vidal Lluciá, Teresa (2011-09-01)
      Article
      Accés restringit per política de l'editorial
    • Estudio y caracterización de un termoestable epoxídico utilizado en la industria papelera 

      Montiel Soriano, Joel (Universitat Politècnica de Catalunya, 2012-09)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      El presente proyecto de investigación tiene por objetivo el desarrollo de un estudio avanzado sobre un polímero termoestable (y sus reactivos) empleado en la industria papelera, cuya función es mejorar el drenaje en la ...
    • Evaluating the potential of ozone in creating functional groups on cellulose 

      Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (Springer, 2022-08-01)
      Article
      Accés obert
      Several eucalyptus pulps (85% of cellulose) with different lignin and HexA content (unbleached, TCF and ECF) as well as cotton linters (97% of cellulose) were treated with ozone (at different pH and ozone doses) in order ...
    • Fàbrica Pont Nou de Beseit: diagnosi i proposta de consolidació de l'edifici 

      Monreal Prats, Virginia; Isern Granados, Laia (Universitat Politècnica de Catalunya, 2011)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      La Fàbrica Pont Nou de Beseit és una de les 9 que van arribar a estar en funcionament en aquest municipi ubicat al bell mig del sistema dels Ports de Beseit, als que dona nom. Actualment, és una de les poques que no han ...
    • Functionalization of cellulosic substrates using a product derived from an enzymatic reaction 

      Cusola Aumedes, Oriol; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The present work describes a new method for the surface functionalization of cellulosic sheets, overcoming the limitations of the traditional treatments, which are usually performed using fibrous suspensions. The method ...
    • In situ synthesis of silver nanoparticles on fiber matrix for preparing antibacterial paper 

      Amini, Elahe; Azadfallah, Mohammad (2018-08-15)
      Article
      Accés obert
      In this study, the preparation of antibacterial paper was carried out using in situ synthesis of silver nanoparticles (AgNPs) on bleached cellulosic fiber matrix through chemical reduction of silver nitrate (AgNO3) by two ...
    • Mejora de la productividad de una planta de fabricación de rejillas de cartón 

      Acosta Ponce, Dámaso (Universitat Politècnica de Catalunya, 2021-07-05)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Papelera Carbó
      Este trabajo de final de grado trata sobre la mejora de la productividad de una planta de fabricación de rejillas de cartón. Para alcanzar este objetivo se han utilizado conocimientos relacionados con la organización de ...
    • On hexenuronic acid (HexA) removal and mediator coupling to pulp fiber in the laccase/mediator treatment 

      Cadena Chamorro, Edith Marleny; Du, Xueyu; Gellerstedt, G.; Li, Jiebing; Fillat Latorre, Amanda; García Ubasart, Jordi; Vidal Lluciá, Teresa; Colom Pastor, José F. (2011-02)
      Article
      Accés restringit per política de l'editorial
    • Paper functionalization by means of enzymatic surface treatments using hydrophobic compounds and lignosulfonates 

      Cusola Aumedes, Oriol; García Ubasart, Jordi; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In the present work an innovative method for achieving enzymatic surface functionalization on finished paper sheets is presented. A commercial filter paper was surface sized with laccase derived from Trametes Villosa, ...
    • Potencial de la celulosa en la construcción de nuevos materiales 

      Vidal Lluciá, Teresa; Torres López, Antonio Luis; Valls Vidal, Cristina; Cusola Aumedes, Oriol; López Martínez, Joan Antoni; Fernández Santos, Julia; Clemente Escuin, Antonio; Roncero Vivero, María Blanca; Casals Terré, Jasmina; Farré Lladós, Josep (2019)
      Text en actes de congrés
      Accés obert
      Actualmente, más de una tercera parte de los tipos de papeles que hoy empleamos son para nuevos usos que hace diez años no existían. Además, la demanda creciente de productos basados en materias primas renovables y la ...
    • Pràcticum. Seguiment execució d'obra. Desmuntatge, trasllat i emmagatzematge d'un edifici industrial catalogat a Mataró 

      Lleonart i Gasull, Arnau (Universitat Politècnica de Catalunya, 2011)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Aquest projecte de final de grau (P.F.G.) correspon al procediment de seguiment d’execució d’obra del desmuntatge, emmagatzematge i posterior muntatge dels elements arquitectònics més emblemàtics únics i catalogats del ...