Transport Properties and Mechanical Features of Sulfonated Polyether Ether Ketone/Organosilica Layered Materials Nanocomposite Membranes for Fuel Cell Applications [PDF]
Membranes, 2020 In this work, we study the preparation of new sulfonated polyether ether ketone (sPEEK) nanocomposite membranes, containing highly ionic silica layered nanoadditives, as a low cost and efficient proton exchange membranes for fuel cell applications.
Cataldo Simari +2 more
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Tribological Behavior of Sulfonated Polyether Ether Ketone with Three Different Chemical Structures under Water Lubrication. [PDF]
Polymers (Basel)With the development of the shipbuilding industry, it is necessary to improve tribological properties of polyether ether ketone (PEEK) as a water-lubricated bearing material. In this study, the sulfonated PEEK (SPEEK) with three distinct chemical structures was synthesized through direct sulfonated polymerization, and high fault tolerance and a ...
Chen X, Hu T, Wu W, Yi X, Li F, Zhang C.
europepmc +3 more sources
Polydopamine grafting polyether ether ketone to stabilize growth factor for efficient osteonecrosis repair [PDF]
Scientific ReportsThis study examines the biocompatibility, osteogenic potential, and effectiveness of polyether ether ketone (PEEK) composites for treating osteonecrosis, seeking to establish a theoretical basis for clinical application.
Yi Sun +10 more
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Sulfonated Polyether Ether Ketone and Organosilica Layered Nanofiller for Sustainable Proton Exchange Membranes Fuel Cells (PEMFCs) [PDF]
Applied Sciences, 2022 The ease and low environmental impact of its preparation, the reduced fuel crossover, and the low cost, make sulfonated polyether ether ketone (sPEEK) a potential candidate to replace the Nafion ionomer in proton exchange membrane fuel cells (PEMFCs). In
Ernestino Lufrano +3 more
doaj +3 more sources
Composite Membranes of Sulfonated Poly(ether ether ketone) with Active Carbon: Composite Preparation and Investigation of their Properties for Potential Application for CO2 Electrochemical Reduction [PDF]
Medžiagotyra, 2020 In this study, synthesis of sulfonated poly(ether ether ketone) (SPEEK) was performed using sulfonation method with concentrated sulfuric acid. Polymer with three degrees of sulfonation was obtained: 0.87; 0.82 and 0.74.
Deniss FEDORENKO, Guntars VAIVARS
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The ability of SPEEK to promote the proliferation and osteogenic differentiation of BMSCs on PEEK surfaces [PDF]
HeliyonTo investigate the ability of sulfonated polyetheretherketone (SPEEK) to promote the proliferation and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) and compare the effects of different degrees of sulfonation (DS), SPEEK was ...
Shuang Wang +5 more
doaj +2 more sources
Sulfonation Treatment of Polyether-Ether-Ketone for Dental Implant Uses
Applied SciencesThere has been a recent uptake in the use of polyether-ether-ketone (PEEK), which is an organic thermoplastic polymer, in the manufacturing of various medical devices, implants, and equipment.
Hussein Hamid, Ihab Safi, Falah Hussein
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Enhanced Conductivity of Composite Membranes Based on Sulfonated Poly(Ether Ether Ketone) (SPEEK) with Zeolitic Imidazolate Frameworks (ZIFs) [PDF]
Nanomaterials, 2018 The zeolitic imidazolate frameworks (ZIFs) ZIF-8, ZIF-67, and a Zn/Co bimetallic mixture (ZMix) were synthesized and used as fillers in the preparation of composite sulfonated poly(ether ether ketone) (SPEEK) membranes.
Arturo Barjola +4 more
doaj +6 more sources
Utilization of Water-Insoluble Carbon Nitride-Phosphotungstic Acid Hybrids in Composite Proton Exchange Membranes [PDF]
MembranesPhosphotungstic acid (HPW) can retain water in proton exchange membranes to increase proton conductivity; however, its water-soluble nature limits further application.
Xiancan Yuan +7 more
doaj +2 more sources
Sulfonated Poly(ether ether ketone) and Organically Modified Montmorillonite Nanocomposite Membranes for Direct Methanol Fuel Cell [PDF]
علوم و تکنولوژی پلیمر, 2022 Hypothesis: The modification of aromatic polymers, such as poly(ether ether ketone) (PEEK), by sulfonation modification, can result in fabricating polyelectrolyte membranes (PEMs) as the alternatives to Nafion for direct methanol fuel cell (DMFC ...
Mahdi Tohidian +5 more
doaj +1 more source