Results 161 to 170 of about 6,144 (201)

Tribological Behavior of Sulfonated Polyether Ether Ketone with Three Different Chemical Structures under Water Lubrication. [PDF]

Polymers (Basel)
Chen X, Hu T, Wu W, Yi X, Li F, Zhang C.
europepmc   +1 more source

Correction: Rehman et al. Nanocomposite Membranes for PEM-FCs: Effect of LDH Introduction on the Physic-Chemical Performance of Various Polymer Matrices. Polymers 2023, 15, 502. [PDF]

Polymers (Basel)
Rehman MHU, Lufrano E, Simari C.
europepmc   +1 more source

Heavy Metal Detection and Removal by Composite Carbon Quantum Dots/Ionomer Membranes. [PDF]

Membranes (Basel)
Sgreccia E, Gallardo Gonzalez FS, Prosposito P, Burratti L, Sisani M, Bastianini M, Knauth P, Di Vona ML.   +7 more
europepmc   +1 more source

A Sensitive and Selective Electrochemical Sensor Based on an Iron-Based Nanocomposite-Modified Electrode for the Detection of Dopamine in Pork. [PDF]

Foods
Li J, Wang L, Shi J, Wu X, Zhang J, Xu Y, Wang X, Li X.   +7 more
europepmc   +1 more source

Enhancing bioactivity and biocompatibility of polyetheretherketone (PEEK) for dental and maxillofacial implants: A novel sequential soaking process. [PDF]

Heliyon
Meng W, Nie Y, Zhang J, Qin L, Liu X, Ma T, Wu J.   +6 more
europepmc   +1 more source

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Proton Conductivity of SPEEK Membranes

Polymer-Plastics Technology and Engineering, 2010
Novel sulfonated poly(ether ether ketone) (PEEK) copolymers were prepared using a low-viscosity grade PEEK powder. The TGA studies indicated that SPEEK membranes with up to 75% DS have enough thermal stability. The highest conductivity of 2.176 × 10−2 S cm−1 has been observed at 100°C for SP96 (DS = 72%).
G. M. Shashidhara, K. Naveen Kumar
openaire   +1 more source

Microstructure–Performance Relationships of sPEEK-Based Catalyst Layers

Journal of The Electrochemical Society, 2010
Porous catalyst layers containing sulfonated polyetheretherketone (sPEEK, 1.4 meq g ―1 ) were deposited onto membranes to form catalyst-coated membranes. The catalyst layer properties, as a function of sPEEK content, were studied ex situ and in fuel cells.
Peron, Jennifer, Edwards, Dave, Besson, Arthur, Shi, Zhiqing, Holdcroft, Steven   +4 more
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Mixed conductive blends of SPEEK/PANI

Solid State Ionics, 2005
Abstract Membranes were obtained by solvent evaporation from 70% sulfonated poly(ether ether ketone) and polyaniline in N-methyl-2-pyrrolidone [NMP] or N,N-dimethyl formamide [DMF]. SPEEK/PANI membranes were studied by UV–Vis spectroscopy, ion-exchange capacity, ionic and electronic conductivity and thermal properties, in order to observe the SPEEK ...
Jerusa Roeder, Hugo Silva, Suzana P. Nunes, Alfredo T.N. Pires   +3 more
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Hybrid SPEEK/Phosphonatedsilsesquioxanes membranes for PEMFC

Nanomaterials and Energy, 2012
In this work, the production and characterization of hybrid membranes of sulfonated poly(ether-ether-ketone; SPEEK) and phosphonated copolysilsesquioxanes (PCs) and its application in proton exchange membrane fuel cell (PEMFC) were studied. To improve the proton conduction and thermal stability of the polymer SPEEK, PCs were synthesized from ...
Kelen Rossi de Aguiar, Guilherme Pelizzaro Batalha, Airton Ramos, Estevam Vitorio Spinacé, Marcelo Linardi, Adriana N. Geraldes, Dionisio F. da Silva, Sérgio Henrique Pezzin   +7 more
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Effect of SPEEK content on the morphological and electrical properties of PES/SPEEK blend nanofiltration membranes

Desalination, 2009
Polyethersulfone (PES)/poly (ether ether ketone) (SPEEK) blends nanofiltration membrane at different SPEEK contents were prepared using a simple dry-jet wet spinning technique. The SPEEK polymer with fixed sulfonation degree was used for membrane preparation and characterized using FTIR and nuclear magnetic resonance (NMR) spectrometer.
Woei-Jye Lau, A.F. Ismail
openaire   +1 more source