Ara es mostren els items 1-12 de 89

    • An analysis of academic outcomes in graphic expression subjects in engineering by considering students’ admission profiles 

      Puig Poch, Mireia; Quintana, Elisabet; Voltas Aguilar, Jordi (Springer, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Decree 171/2022 that regulates compulsory post-High School in Catalonia, establishes that Technical Drawing I and II are modality courses, which means that they are not compulsory. So students can choose other modality ...
    • Valorization of waste paper sludge as a sustainable source for packaging applications 

      Quintana, Elisabet; Valls Vidal, Cristina; Roncero Vivero, María Blanca (Springer Nature, 2024-02-09)
      Article
      Accés obert
      Paper sludge consists mainly of wet short cellulose fibers that are lost during papermaking and of residual chemicals used in the manufacturing process that remain dissolved in the water. Each ton of paper generates about ...
    • Towards sustainable building solutions: Development of hemp shiv-based green insulation material 

      Martínez Martínez, Borja; Mendizábal Dinucci, Virginia Dolores; Roncero Vivero, María Blanca; Bernat Masó, Ernest; Gil Espert, Lluís (2024-01-13)
      Article
      Accés restringit per política de l'editorial
      There is currently a growing need for sustainable and environmentally friendly materials. One promising candidate is hemp shiv, which is considered waste material. hemp shiv exhibits lightweight properties and high insulation ...
    • Dissolving-grade pulp: a sustainable source for fiber production 

      Quintana, Elisabet; Valls Vidal, Cristina; Roncero Vivero, María Blanca (2024-01-10)
      Article
      Accés obert
      The global textile fiber output increased five times from 1975 to 2020. Also, in 2010, the combined demand for man-made and natural fibers was projected to increase by 84% within 20 years. Clothing materials are largely ...
    • Ionic liquid, ultrasound-assisted synthesis of lignin nanoparticles for barrier-enhanced all-cellulose nanocomposite films 

      Amini, Elahe; Valls Vidal, Cristina; Roncero Vivero, María Blanca (Springer Nature, 2023-10-05)
      Article
      Accés obert
      The primary purpose of this work was to develop novel all-cellulose nanocomposite (ACNC) films by following a green approach that uses an ionic liquid as solvent and requires no additional reducing agents or stabilizers. ...
    • Ozone: a promising agent to functionalize cellulose 

      Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Ozone is a well-known chemical agent used in pulp bleaching, where its role is to remove lignin although carbohydrates are also affected. Toe objective ofthis work was to modify cellulose with ozone in order to create new ...
    • Materials based on cellulose for e-commerce packaging 

      Escursell Martínez, Silvia; Valls Vidal, Cristina; Llorach-Massana, Pere; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      As a result of the pandemic and the new tax on the use of plastics in the EU, the consumption of cellulose has increased, especially for cardboard boxes as e-commerce packaging. Due to this high demand, the price of cellulose ...
    • Valorization of paper waste sludge to produce films for packaging 

      Quintana, Elisabet; Valls Vidal, Cristina; Roncero Vivero, María Blanca (Ca' Foscari University of Venice, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The global production of paper was more than 400 million tons in 2020, and about 40–50 kg of dry sludge/ton paper produced was generated. The management of this huge volume of solid waste material has become a serious ...
    • Análisis de los resultados académico en asignaturas de Expresión Gráfica en la Ingeniería atendiendo a los perfiles de acceso de los estudiantes 

      Quintana, Elisabet; Puig Poch, Mireia; Voltas Aguilar, Jordi (Universidad de Cádiz, 2023)
      Text en actes de congrés
      Accés obert
      Tal y como establece el RD 822/2021 [1], los sistemas de calidad en el ámbito universitario analizan las titulaciones universitarias a través de distintos ámbitos denominados Estándares que, a modo de ejes directivos, ...
    • Promising nanocomposites for food packaging based on cellulose-PCL films reinforced by using ZnO nanoparticles in an ionic liquid 

      Amini, Elahe; Valls Vidal, Cristina; Roncero Vivero, María Blanca (Elsevier, 2023-03)
      Article
      Accés obert
      The fact that most composites consist of polluting synthetic materials has prompted a search for biodegradable replacements based on cellulose fibers and polycaprolactone as potential packaging materials. In this work, we ...
    • Transformation of a waste from the paper industry into a nanocellulosic material 

      Huete Matute, Noemi; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (2022)
      Comunicació de congrés
      Accés obert
      The constant search for productive improvements in the paper industry and the growing awareness of society about the problems derived from the use of fossil-based materials, are pushing the research efforts towards the ...
    • Natural additives to enhance the barrier properties of nanocellulose films 

      Fernández Santos, Julia; Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca (2022)
      Comunicació de congrés
      Accés obert
      Finding alternatives to fossil-based materials is one of the most important challenges of our time. Since cellulose is the most abundant natural polymer on the planet, its use to solve this challenge would be ideal. In the ...