Results 31 to 40 of about 31,614 (246)

Tuning high-temperature dielectric properties of poly ether ether ketone by using self-crosslinkable polyetherimide and nanoparticles

open access: yesPolymer Testing, 2023
Polymer dielectric materials operating at high temperatures are widely needed for advanced electrical and electronic systems. However, currently commercial polymer dielectrics are limited to relatively low operating temperatures.
Sen Niu   +5 more
doaj   +1 more source

Hierarchical and hybrid polymer nanocomposites based on carbon nanotubes and inorganic fullerene type nanoparticles [PDF]

open access: yes, 2014
The influence of singlewalled carbon nanotubes (SWCNT) and inorganic fullerenelike tungsten disulfide nanoparticles (IFWS2) on the morphology and thermal, mechanical and electrical performance of multifunctional fibrereinforced polymer composites has ...
Gómez Fatou, Marián A.   +7 more
core   +1 more source

An overview of organic/inorganic membranes based on sulfonated poly ether ether ketone for application in proton exchange membrane fuel cells [PDF]

open access: yesJournal of Renewable Energy and Environment, 2017
Nowadays, proton exchange membrane fuel cells (PEMFCs) are the most promising green energy conversion devices for portable and stationary applications.
Somayeh Sarirchi, S. Rowshanzamir
doaj   +1 more source

Resin content calculation of carbon fiber/poly (ether ether ketone) by thermogravimetric analysis

open access: yesPolymer Testing, 2023
Resin content of composites is a dominant factor of macroscopic properties and essential to study. Taking carbon fiber/poly (ether ether ketone) (CF/PEEK) composites molded by various means as examples, a method for resin content calculation obtained ...
Chunrui Lu   +3 more
doaj   +1 more source

Effect of Chemical Structure on the Performance of Sulfonated Poly(aryl ether sulfone) Composite Nanofiltration Membranes

open access: yesMembranes, 2019
This paper discusses the effect of the chemical structure of sulfonated poly(aryl ether sulfone) on the performance of composite nanofiltration membranes.
Shouhai Zhang   +5 more
doaj   +1 more source

Trifluoromethylation of carbonyl groups in aromatic poly(ether ketone)s: formation of strongly polar yet surface-hydrophobic poly(arylenenecarbinol)s [PDF]

open access: yes, 2018
Fluoride-catalyzed reactions of trimethyl(trifluoromethyl)silane with a range of aromatic poly(ether ketone)s, both amorphous and semi-crystalline, proceed quantitatively in THF to yield soluble, amorphous polymers in which the carbon-silicon bond of ...
Bennett, Roger   +3 more
core   +2 more sources

Studies on the reprocessability of poly(ether ether ketone) (PEEK) [PDF]

open access: yes, 2016
This is the author accepted manuscript. The final version is available from the publisher via the DOI in this record.Whilst demonstrating desirable mechanical properties, corrosion resistance and the ability to retain structural integrity over extended ...
Ghita, OR, McLauchlin, A, Savage, L
core   +1 more source

Preparation and Characterization of UV Irradiated SPEEK/Chitosan Membranes

open access: yesInternational Journal of Electrochemical Science, 2012
Cross-linked composite membranes of sulfonated poly(ether ether ketone) (SPEEK) with a chitosan content up to 50 wt%, were prepared by solution cast technique and ultraviolet (UV) curing.
N.A. Aini   +5 more
doaj   +1 more source

3D Network Structural Poly (Aryl Ether Ketone)-Polybenzimidazole Polymer for High-Temperature Proton Exchange Membrane Fuel Cells

open access: yesAdvances in Polymer Technology, 2020
Poor mechanical property is a critical problem for phosphoric acid-doped high-temperature proton exchange membranes (HT-PEMs). In order to address this concern, in this work, a 3D network structural poly (aryl ether ketone)-polybenzimidazole (PAEK-cr-PBI)
Junqiao Jiang   +5 more
doaj   +1 more source

The effects of surface modifications of multiwalled carbon nanotubes on their dispersibility in different solvents and poly(ether ether ketone) [PDF]

open access: yes, 2014
The effects of surface modifications of multi-walled carbon nanotubes (MWCNTs) on their dispersibility in different solvents and poly (ether ether ketone) (PEEK) have been studied.
Cao, Zongshuang   +4 more
core   +1 more source

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