Now showing items 1-20 of 25

    • A Review of the recent advances in cyclic butylene terephthalate technology and its composites 

      Abt, Tobias Martin; Sánchez Soto, Miguel (2016-05)
      Article
      Open Access
      Cyclic butylene terephthalate (CBT®) oligomers are a relatively new class of material and are capable of polymerizing in an entropically driven ring-opening polymerization into high-molecular-weight polymerized CBT (pCBT) ...
    • Aerogeles compuestos multicapa a partir de biopolimeros y arcilla 

      Sánchez Soto, Miguel; Cruz Jesús, Lucía Guadalupe de la; Jokinen, Paul; Abt, Tobias Martin; Cailloux, Jonathan; Maspoch Rulduà, Mª Lluïsa; Santana Pérez, Orlando Onofre (2019-10-15)
      Article
      Open Access
      En este trabajo se han desarrollado diferentes aerogeles con baja flamabilidad basados en la combinación de biopolimeros renovables y montmorillonta (MMT). Los compuestos fueron hechos usando agua como solvente y siguiendo ...
    • Effect of the viscosity ratio on the PLA/PA10.10 bioblends morphology and mechanical properties 

      Cailloux, Jonathan; Abt, Tobias Martin; García Masabet, Violeta del Valle; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, Mª Lluïsa (2018-01-30)
      Article
      Open Access
      PLA bio-blends with a predominantly biosourced PA10.10 in the composition range 10-50wt.% were prepared by melt blending in order to overcome the advanced brittleness of PLA. Due to the inherent immiscibility of the blends, ...
    • Epoxy coupling agents for PLA and PHB copolymer-based cotton fabric bio-composites 

      Battegazzore, Daniele; Frache, Alberto; Abt, Tobias Martin; Maspoch Rulduà, Mª Lluïsa (Elsevier, 2018-09-01)
      Article
      Open Access
      Epoxy coupling agent was deposed on cotton fabric used for the formation of film stacked composites based on poly(lactic acid) (PLA) or a poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHB) matrices. The additive confining ...
    • Evaluation of household waste materials for façade components in primary educational workshops. Mechanical and fire properties 

      Pons Valladares, Oriol; Abt, Tobias Martin (Elsevier, 2020-05-01)
      Article
      Restricted access - publisher's policy
      An important amount of human household waste can be reused, as it is presently done all over the world in numerous social initiatives such as “Do It Yourself” proposals. Some waste containers have sufficiently good mechanical ...
    • Fabricación y caracterización de paneles sándwich polipropileno/polipropileno autoreforzado 

      Sánchez Soto, Miguel; Abt, Tobias Martin; Maspoch Rulduà, Mª Lluïsa; Múgica Abarquero, Joseba Iñaki; Aurrekoetxea Narbarte, Jon; Candal Pazos, Maria Virginia; Almonacid, C. (Asociación Española de Materiales Compuestos, 2015)
      Conference report
      Restricted access - publisher's policy
      En este trabajo se han fabricado y estudiado las propiedades resultantes de paneles tipo sándwich constituidos por un núcleo de polipropileno copolímero, -eventualmente espumado-, unido a dos láminas hechas con fibras ...
    • Impact behavior of PLA/PCL bioblends 

      León Albiter, Noel; Abt, Tobias Martin; Hortos Llobera, Martí; Espino, Sebastian; Santana Pérez, Orlando Onofre; Maspoch Rulduà, Mª Lluïsa (2020)
      Conference report
      Open Access
      The effect of adding polycaprolactone (PCL) on the impact behavior of poly(lactic acid) (PLA) has been evaluated. Bioblends (with and without compatibilizer) were prepared in a pilot plant (twin screw extrusion, 5kg/h) ...
    • Influence of topographical features on the surface appearance measurement of injection moulded components 

      Gamonal Repiso, Pablo; Abt, Tobias Martin; Sánchez Soto, Miguel; Santos Pinto, Soledad; Maspoch Rulduà, Mª Lluïsa (Elsevier, 2020-11)
      Article
      Restricted access - publisher's policy
      Adding textures to surfaces is known to improve the external appearance of injection moulded components. However, when high surface quality is required, normally a paint coating is applied on top of the moulded textured ...
    • Isocyanate toughened pCBT: reactive blending and tensile properties 

      Abt, Tobias Martin; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Bou Serra, Jordi; Sánchez Soto, Miguel (2013-02-01)
      Article
      Open Access
      Cyclic butylene terephthalate oligomers (CBT) were reacted in a ring-opening polymerization with three types of isocyanates: a bifunctional aromatic type, a bifunctional aliphatic type and a polymeric aromatic isocyanate. ...
    • Isocyanate toughening of pCBT/organoclay nanocomposites with exfoliated structure and enhanced mechanical properties 

      Abt, Tobias Martin; Bou Serra, Jordi; Sánchez Soto, Miguel (2014-12-01)
      Article
      Restricted access - publisher's policy
      Cyclic butylene terephthalate (CBT (R)) is an interesting matrix material for the preparation of nanocomposites due to its very low, water-like melt viscosity which favours clay exfoliation. Nevertheless, polymerized CBT ...
    • Lightcarboncars: nanocompuestos CBT/POSS obtenidos por polimerización in-situ 

      Abt, Tobias Martin; Sánchez Soto, Miguel; Illescas Fernandez, Silvia; Gamez Pérez, José; Maspoch Rulduà, Mª Lluïsa (2009)
      Conference report
      Restricted access - publisher's policy
      En este trabajo se han preparado e investigado nanocompuestos formados por CBT® y tres tipos diferentes de nanocargas de tipo oligómerico poliédrico (POSS), dos con funcionalidad reactiva -Trisilanolfenil POSS (T-POSS) y ...
    • Modificación de PC mediante extrusión reactiva: comportamiento a fractura 

      Santana Pérez, Orlando Onofre; Al-Jabareen, Ahmad; Illescas Fernandez, Silvia; Abt, Tobias Martin; Sánchez Soto, Miguel (2009-09-20)
      Conference report
      Restricted access - publisher's policy
    • Modification of poly(lactic) acid by reactive extrusion and its melt-blending with acrylonitrile butadiene styrene 

      Abt, Tobias Martin; Kamrani Moghadam, Mohammad Reza; Cailloux, Jonathan; Santana Pérez, Orlando Onofre; Sánchez Soto, Miguel (2020-04-05)
      Article
      Open Access
      Poly(lactic) acid, (PLA) is a biodegradable polymer that has attracted interest as a potential substitute for some thermoplastic polymers. However, its advanced brittleness at room temperature represents one of the major ...
    • Multilayer cotton fabric bio-composites based on PLA and PHB copolymer for industrial load carrying applications 

      Battegazzore, Daniele; Abt, Tobias Martin; Maspoch Rulduà, Mª Lluïsa; Frache, Alberto (Elsevier, 2019-04-15)
      Article
      Open Access
      The thermo-mechanical and impact behavior of bio-based polymers reinforced with a multilayer cotton fabric were determined and assessed for the potential use in building, furniture or automotive applications. The measured ...
    • Nanocomposites of in-situ polymerized cyclic butylene terephthalate and polyhedral oligomeric silsesquioaxanes 

      Abt, Tobias Martin; Illescas Fernandez, Silvia; Antunes, Marcelo de Sousa Pais; Cáceres Moreno, María Angélica; Sánchez Soto, Miguel (2010-05-03)
      Conference report
      Open Access
      Nanocomposites were prepared by in-situ polymerization of CBT®, a cyclic form of poly(butylene terephthalate) (PBT) and polyhedral oligomeric silsesquioxane (POSS®) with 2.5, 5 and 10 wt% POSS content. Three different types ...
    • PLA/PA bio-blends: induced morphology by extrusion 

      García Masabet, Violeta del Valle; Santana Pérez, Orlando Onofre; Cailloux, Jonathan; Abt, Tobias Martin; Sánchez Soto, Miguel; Carrasco Alonso, Félix Ángel; Maspoch Rulduà, Mª Lluïsa (Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-19)
      Article
      Open Access
      The effect of processing conditions on the final morphology of Poly(Lactic Acid) (PLA) with bio-based Polyamide 10.10 (PA) 70/30 blends is analyzed in this paper. Two types of PLA were used: Commercial (neat PLA) and a ...
    • Properties of bio-based gum Arabic/clay aerogels 

      Wang, Liang; Sánchez Soto, Miguel; Abt, Tobias Martin (2016-11-30)
      Article
      Open Access
      Lightweight bio-based aerogels from sustainable gum Arabic (GA) and sodium montmorillonite (Na+-MMT) clay were prepared by means of a simple freeze-drying process. GA/clay aerogels showed high porosity (87.9%–94.9%) of ...
    • Properties of POSS blends with pCBT, PMMA, PC and POM thermoplastics 

      Abt, Tobias Martin; Sánchez Soto, Miguel; Illescas Fernandez, Silvia; Arostegui, Asier (2013)
      Article
      Restricted access - publisher's policy
      The influence of the functionalisation of fully or partially condensed POSS cages on the properties of engineering thermoplastic-based nanocomposites is studied. POSS with different organic substituents were selected ...
    • Reactive extrusion: A useful process to manufacture structurally modified PLA/o-MMT composites 

      Cailloux, Jonathan; Bin Raja-Nazri, Raja Nazrul Hakim; Santana Pérez, Orlando Onofre; Bou, Jordi; Abt, Tobias Martin; Sánchez Soto, Miguel; Carrasco, Felix; Maspoch Rulduà, Mª Lluïsa (2016-05-26)
      Article
      Open Access
      In the present work, poly(lactic acid) (PLA) sheets reinforced with organically modified montmorillonite (o-MMT) were manufactured through reactive extrusion-calendering using a masterbatch approach in a pilot plant. ...
    • Study of the properties of modified cyclic butylene terephthalate and its composites 

      Abt, Tobias Martin (Universitat Politècnica de Catalunya, 2014-07-11)
      Doctoral thesis
      Open Access
      The thesis at hand deals with the modification of cyclic butylene terephthalate (CBT) with the aim to improve its final properties. CBT polymerizes in an entropically-driven ring-opening polymerization into polymerized CBT ...