Results 31 to 40 of about 592 (175)

Sulfonated Polyether Ketone Membranes Embedded with Nalidixic Acid-An Emerging Controlled Drug Releaser. [PDF]

open access: yesPolymers (Basel), 2023
The effective administration of medication has advanced over decades, but the medical community still faces significant demand. Burst release and inadequate assimilation are major drawbacks that affect wound healing efficiency, leading to therapy failure.
Padinjarathil H   +5 more
europepmc   +2 more sources

A sulfonated modification of PEEK for ultralow friction

open access: yesFriction, 2022
Polyether ether ketone (PEEK) is a widely used material for friction pairs due to its excellent mechanical strength, good wear resistance, and chemical inertness.
Shihua Yuan, Chenhui Zhang
doaj   +1 more source

Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications [PDF]

open access: yes, 2013
Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed.
MABROUK, Walid   +7 more
core   +1 more source

Development of Cost-Effective sPEEK/Al2O3 Composite Membranes with Enhanced Proton Conductivity and Durability for PEMFCs [PDF]

open access: yesE3S Web of Conferences
Polymer electrolyte membrane (PEM)-based fuel cells are emerging fields with high efficiency, low pollutant emissions, and low material consumption. However, conventional membranes have poor thermal resistance and are expensive.
Hakim Muhammad Fahmi   +4 more
doaj   +1 more source

In situ analysis of hydration and ionic conductivity of sulfonated poly(ether ether ketone) thin films using an interdigitated electrode array and a nanobalance [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2022
Proton-conducting polymers, such as sulfonated poly(ether ether ketone) (SPEEK), are of great industrial interest. Such proton exchange membranes show high tendencies for water and water vapor uptake. The incorporation of water not only leads to mass and
H. Wulfmeier   +4 more
doaj   +1 more source

METHANOL PERMEABILITY AND PROPERTIES OF POLYMER ELECTROLYTE MEMBRANE BASED ON GRAPHENE OXIDE- SULFONATED (POLYETHER ETHER) KETONE

open access: yesMalaysian Journal of Analytical Science, 2017
Graphene oxide sulfonated polyether ether ketone (GO-SPEEK) is a promising proton exchange membrane (PEM) to replace the commercial PEM in Direct Methanol Fuel Cell (DMFC) application.
Aziz, M., Jaafar, J., Suhaimin, N. S.
openaire   +2 more sources

Study on the AFM Force Curve Common Errors and Their Effects on the Calculated Nanomechanical Properties of Materials

open access: yesJournal of Engineering, 2016
The atomic force microscope (AFM) force curve has been widely used for determining the mechanical properties of materials due to its high resolution, whereby very low (piconewton) forces and distances as small as nanometers can be measured.
D. Almasi   +4 more
doaj   +1 more source

Proton conducting electrospun sulfonated polyether ether ketone graphene oxide composite membranes

open access: yesRSC Advances, 2017
A series of novel composite membranes, based on sulfonated poly(ether ketone) (SPEEK) with a graphene oxide (GO) layer, were prepared.
Jose Luis Reyes-Rodriguez   +5 more
openaire   +4 more sources

Ordered Ionic‐Liquid Channels Enable Fast Anhydrous Proton Conduction at up to 240°C for Fuel Cells

open access: yesAngewandte Chemie, EarlyView.
Infiltration of ionic liquids into a composite scaffold comprised of graphene and boron nitride nanosheets functionalised with positively charged polyethyleneimine produces robust proton conducting membranes for the intermediate temperature electrochemical devices.
Mazin Al‐Alawi   +8 more
wiley   +2 more sources

The Effects of Sulfonated Poly(ether ether ketone) Ion Exchange Preparation Conditions on Membrane Properties

open access: yesMembranes, 2013
A low cost cation exchange membrane to be used in a specific bioelectrochemical system has been developed using poly(ether ether ketone) (PEEK). This material is presented as an alternative to current commercial ion exchange membranes that have been ...
Rebecca S. L. Yee   +2 more
doaj   +1 more source

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