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Authors: M. Isabel Pinto, Denise P. Queiroz, M. Helena Gil, Antonio Jorge Guiomar, Maria Norberta de Pinho
Abstract:The structural versatility of polyurethane based membranes is enhanced through the introduction of two soft segments to obtain new membranes...
863
Authors: Veronica Santos, João P. Borges, Cláudia M.S. Ranito, Eduardo Pires, Hugo F. Araújo, António Marques, Luís Tomás, Elvira Fortunato, Rodrigo Martins, Yuri Nunes
Abstract:Total hip replacement is a common practice in every day clinical work. Artificial hip implants consist of a femoral component and an...
868
Authors: Vitor Sencadas, M. Vitor Moreira, Senentxu Lanceros-Méndez, António Sergio Pouzada, Rinaldo Gregório Filho
Abstract:The α to β phase transformation of PVDF through the stretching process at different temperatures was investigated. The optimum stretching...
872
Authors: Gabriela Botelho, Arlete Queirós, Manuela A. Silva, Maria João Conceição
Abstract:The photodegradation of EPDM based on dicyclopentadiene was followed by FTIR spectroscopy and the main photo-oxidation products were...
877
Authors: Marta M. D. Ramos, Helena M.G. Correia, Hugo Carmo
Abstract:Using a mesoscopic modelling approach, the authors performed computer experiments to study the influence of polymer density on bipolar charge...
882
Authors: Joanna Ryszkowska, Monika Bil, Piotr Woźniak, Małgorzata Lewandowska, Krzysztof J. Kurzydłowski
Abstract:Segmented polyurethanes (PUR) based on poly(ε-caprolactone)diol (PCL) as soft segments and cycloaliphatic diisocyanate were obtained. Two...
887
Authors: Nuno Correia, João C. Bordado, João Pires, Manuela B. Carvalho, Ana P. Carvalho, Moisés Pinto
Abstract:A flexible foam was developed based on polymeric diphenylmethane diisocyanate (MDI) to be used as support for pre-synthesized adsorbent...
892
Authors: Wei Ping Jia, José Valdemar Fernandes
Abstract:Sequences of fatigue-tension tests were performed on copper polycrystal sheet, with 32µm mean grain size. The effect of strain path change...
897
Authors: Ana Vera Machado, Isabel Neves, Gabriela Botelho, P. Rebelo
Abstract:Commercial samples of high density polyethylene were decomposed over faujasites (FAU) type zeolites (Y-type) using thermal gravimetric...
901
Authors: Artur J.M. Valente, Hugh D. Burrows, Victor M.M. Lobo
Abstract:The interaction between sodium dodecyl sulfate (SDS) and blends of polyaniline (PANi) and cellulose acetate (CA) is discussed. The diffusion...
905
Showing 171 to 180 of 346 Paper Titles