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1.
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25 p, 1.1 MB |
Optical and mechanical properties of nanofibrillated cellulose : Toward a robust platform for next-generation green technologies
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Delgado Simao, Claudia (Institut Català de Nanociència i Nanotecnologia) ;
Reparaz, Juan Sebastian (Institut Català de Nanociència i Nanotecnologia) ;
Wagner, Markus R. (Institut Català de Nanociència i Nanotecnologia) ;
Graczykowski, Bartlomiej (Institut Català de Nanociència i Nanotecnologia) ;
Kreuzer, Martin (Institut Català de Nanociència i Nanotecnologia) ;
Ruiz-Blanco, Yasser (Institut Català de Nanociència i Nanotecnologia) ;
García, Yamila (Institut Català de Nanociència i Nanotecnologia) ;
Malho, Jani-Markus (VTT Technical Research Centre of Finland) ;
Goñi, Alejandro (Institut de Ciència de Materials de Barcelona) ;
Ahopelto, Jouni (VTT Technical Research Centre of Finland) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia)
Nanofibrillated cellulose, a polymer that can be obtained from one of the most abundant biopolymers in nature, is being increasingly explored due to its outstanding properties for packaging and device applications. [...]
2015 -  10.1016/j.carbpol.2015.03.032
Carbohydrate polymers, Vol. 126 (August 2015) , p. 40-46
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2.
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13 p, 2.5 MB |
Application of Synchrotron Radiation-Based Fourier-Transform Infrared Microspectroscopy for Thermal Imaging of Polymer Thin Films
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Chávez Ángel, Emigdio (Institut Català de Nanociència i Nanotecnologia) ;
Ng, Ryan C. (Institut Català de Nanociència i Nanotecnologia) ;
Sandell, Susanne (Norwegian University of Science and Technology. Department of Structural Engineering) ;
He, Jianying (Norwegian University of Science and Technology. Department of Structural Engineering) ;
Castro-Alvarez, Alejandro (Universidad de La Frontera. Centro de Excelencia en Medicina Traslacional (Chile)) ;
Sotomayor Torres, Clivia M. (Institut Català de Nanociència i Nanotecnologia) ;
Kreuzer, Martin (ALBA Laboratori de Llum de Sincrotró)
The thermal imaging of surfaces with microscale spatial resolution over micro-sized areas remains a challenging and time-consuming task. Surface thermal imaging is a very important characterization tool in mechanical engineering, microelectronics, chemical process engineering, optics, microfluidics, and biochemistry processing, among others. [...]
2023 - 10.3390/polym15030536
Polymers, Vol. 15, Issue 3 (February 2023) , art. 536
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3.
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17 p, 3.9 MB |
Improvement of the Polyhydroxyalkanoates Recovery from Mixed Microbial Cultures Using Sodium Hypochlorite Pre-Treatment Coupled with Solvent Extraction
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Montiel-Jarillo, Gabriela (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental) ;
Morales-Urrea, Diego A. (Instituto de Investigaciones en Ciencia y Tecnología de Materiales) ;
Contreras, Edgardo (Instituto de Investigaciones en Ciencia y Tecnología de Materiales) ;
López-Córdoba, Alex (Universidad Pedagógica y Tecnológica de Colombia. Escuela de Administración de Empresas Agropecuarias) ;
Gómez-Pachón, Edwin Yesid (Universidad Pedagógica y Tecnológica de Colombia. Escuela de Diseño Industrial) ;
Carrera, Julian (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental) ;
Suárez Ojeda, María Eugenia (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)
The use of mixed microbial cultures (MMC) and organic wastes and wastewaters as feed sources is considered an appealing approach to reduce the current polyhydroxyalkanoates (PHAs) production costs. However, this method entails an additional hurdle to the PHAs downstream processing (recovery and purification). [...]
2022 - 10.3390/polym14193938
Polymers, Vol. 14, Issue 19 (September 2022) , art. 3938
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4.
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17 p, 3.5 MB |
Polylactide, Processed by a Foaming Method Using Compressed Freon R134a, for Tissue Engineering
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Aguado, María (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Saldaña, Laura (Instituto de Investigación Sanitaria del Hospital Universitario La Paz) ;
Pérez del Río, Eduardo (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Guasch, Judith (Institut de Ciència de Materials de Barcelona) ;
Parera, Marc (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Córdoba, Alba (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Seras-Franzoso, Joaquin (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Cano-Garrido, Olivia (Universitat Autònoma de Barcelona. Departament de Genètica i de Microbiologia) ;
Vázquez Gómez, Esther (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Villaverde Corrales, Antonio (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Veciana i Miró, Jaume (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Ratera Bastardas, Imma (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina) ;
Vilaboa, Nuria (Instituto de Investigación Sanitaria del Hospital Universitario La Paz) ;
Ventosa, Nora (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina)
Fabricating polymeric scaffolds using cost-effective manufacturing processes is still challenging. Gas foaming techniques using supercritical carbon dioxide (scCO) have attracted attention for producing synthetic polymer matrices; however, the high-pressure requirements are often a technological barrier for its widespread use. [...]
2021 - 10.3390/polym13203453
Polymers, Vol. 13, Num. 20 (October 2021) , art. 3453
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5.
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20 p, 3.1 MB |
Directed Self-Assembly of Block Copolymers for the Fabrication of Functional Devices
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Pinto-Gómez, Christian (Institut de Microelectrònica de Barcelona) ;
Pérez Murano, Francesc (Institut de Microelectrònica de Barcelona) ;
Bausells Roige, Joan (Institut de Microelectrònica de Barcelona) ;
Villanueva, Luis Guillermo (École Polytechnique Fédérale de Lausanne) ;
Fernández-Regúlez, Marta (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica)
Directed self-assembly of block copolymers is a bottom-up approach to nanofabrication that has attracted high interest in recent years due to its inherent simplicity, high throughput, low cost and potential for sub-10 nm resolution. [...]
2020 - 10.3390/polym12102432
Polymers, Vol. 12, Issue 10 (October 2020) , art. 2432
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6.
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13 p, 1.6 MB |
Highly Crosslinked Polybenzoxazines from Monobenzoxazines : The Effect of Meta-Substitution in the Phenol Ring
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Martos, Alba (Universitat Autònoma de Barcelona. Departament de Química) ;
Soto, Marc (Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM) ;
Schäfer, Hannes (Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM) ;
Koschek, Katharina (Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM) ;
Marquet, Jordi (Universitat Autònoma de Barcelona. Departament de Química) ;
Sebastián Pérez, Rosa Maria (Universitat Autònoma de Barcelona. Departament de Química)
It is possible to control the crosslink density of polymers derived from monobenzoxazines by switching the type of substituents in the phenolic ring and their relative position with respect to the phenol group. [...]
2020 - 10.3390/polym12020254
Polymers, Vol. 12, Num. 2 (Febrer 2020) , art. 254
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7.
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18 p, 2.6 MB |
Electrochromic self-electrostabilized polypyrrole films doped with surfactant and Azo Dye
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Bayat, Maryam (Isfahan University of Technology. Department of Textile Engineering) ;
Izadan, Hossein (Isfahan University of Technology. Department of Textile Engineering) ;
Molina García, Brenda Guadalupe (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Sánchez Jiménez, Margarita (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Santiago, Sara (Universitat Autònoma de Barcelona. Departament de Química) ;
Semnani, Dariush (Isfahan University of Technology. Department of Textile Engineering) ;
Dinari, Mohammad (Isfahan University of Technology. Department of Chemistry) ;
Guirado López, Gonzalo (Universitat Autònoma de Barcelona. Departament de Química) ;
Estrany coda, Francesc (Universitat Politècnica de Catalunya. Departament d'Enginyeria Química) ;
Alemán, Carlos (Barcelona Research Center for Multiscale Science and Engineering)
Two azo dyes, acid red 1 (AR1) and acid red 18 (AR18), were used alone or in combination with sodium dodecyl sulfate (SDS) for the electropolymerization of a pyrrole monomer. Polypyrrole (PPy) showed higher redox capacity when SDS and AR18 were used simultaneously as dopant agents (PPy/AR18-SDS) than when the conducting polymer was produced in the presence of SDS, AR18, AR1, or an AR1/SDS mixture. [...]
2019 - 10.3390/polym11111757
Polymers, Vol. 11, issue 11 (Nov. 2019) , art. 1757
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8.
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8 p, 2.4 MB |
Comparative indoor and outdoor degradation of organic photovoltaic cells via inter-laboratory collaboration
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Owens, Charles (Pomona College. Department of Physics & Astronomy) ;
Ferguson, Gretta Mae (Pomona College. Department of Physics & Astronomy) ;
Hermenau, Martin (Heliatek (Dresden, Alemanya)) ;
Voroshazi, Eszter (Imec (Leuven, Bèlgica)) ;
Galagan, Yulia (Holst Centre (Eindhoven, Països Baixos)) ;
Zimmermann, Birger (Fraunhofer Institute for Solar Energy Systems) ;
Rösch, Roland (Technische Universität Ilmenau. Institut für Physik) ;
Angmo, Dechan (Danmarks Tekniske Universitet. Department of Energy Conversion and Storage) ;
Teran Escobar, Gerardo (Institut Català de Nanociència i Nanotecnologia) ;
Uhrich, Christian (Heliatek (Dresden, Alemanya)) ;
Andriessen, Ronn (Holst Centre (Eindhoven, Països Baixos)) ;
Hoppe, Harald (Technische Universität Ilmenau. Institut für Physik) ;
Würfel, Uli (Fraunhofer Institute for Solar Energy Systems) ;
Lira-Cantu, Monica (Institut Català de Nanociència i Nanotecnologia) ;
Krebs, Frederik C. (Danmarks Tekniske Universitet. Department of Energy Conversion and Storage) ;
Tanenbaum, David M. (Pomona College. Department of Physics & Astronomy)
We report on the degradation of organic photovoltaic (OPV) cells in both indoor and outdoor environments. Eight different research groups contributed state of the art OPV cells to be studied at Pomona College. [...]
2016 - 10.3390/polym8010001
Polymers, Vol. 8, issue 1 (Jan. 2016)
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9.
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18 p, 6.2 MB |
Preparation of nanocomposites of poly("-caprolactone) and multi-walled carbon nanotubes by ultrasound micro-molding. influence of nanotubes on melting and crystallization
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Olmo, Cristian (Universitat Politècnica de Catalunya) ;
Amestoy, Hegoi (Universidad del País Vasco) ;
Casas, Maria Teresa (Universitat Politècnica de Catalunya) ;
Martínez, Juan Carlos (ALBA Laboratori de Llum de Sincrotró) ;
Franco García, María Lourdes (Universitat Politècnica de Catalunya) ;
Sarasua, José Ramón (Universidad del País Vasco) ;
Puiggalí, Jordi (Universitat Politècnica de Catalunya)
Ultrasound micro-molding technology was successfully applied to prepare nanocomposites based on a poly(ε-caprolactone) (PCL) matrix and multi-walled carbon nanotubes (MWCNTs). Optimization of processing parameters (i. [...]
2017 - 10.3390/polym9080322
Polymers, Vol. 9, Issue 8 (August 2017) , art. 322
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10.
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24 p, 7.0 MB |
Thermally induced structural transitions of nylon 4 9 as a new example of even-odd polyamides
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Olmo, Cristian (Universitat Politècnica de Catalunya) ;
Casas, Maria Teresa (Universitat Politècnica de Catalunya) ;
Martínez, Juan Carlos (ALBA Laboratori de Llum de Sincrotró) ;
Franco García, María Lourdes (Universitat Politècnica de Catalunya) ;
Puiggalí, Jordi (Universitat Politècnica de Catalunya)
Crystalline morphology and structure of nylon 4 9 have been studied by means of optical and transmission electron microscopies, and X-ray diffraction. Rhombic crystals were characteristic of crystallization from glycerin dilute solutions, although the final morphology was dependent on the crystallization temperature. [...]
2018 - 10.3390/polym10020198
Polymers, Vol. 10, Issue 2 (February 2018) , art. 198
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