Results 11 to 20 of about 434,856 (330)

Catalytic performance of polyvinylidene fluoride (PVDF) supported TiO2 additive at microwave conditions

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2020
TiO2 is widely used additive material in order to improve properties of filtration membranes. As far as its contribution to filtration performance, TiO2 acts as catalytic agent.In this study, catalytic activity of TiO2 added PVDF flat sheets (membranes ...
Hüseyin GÜMÜŞ
doaj   +1 more source

Effect of stretching process on crystalline structures and alternating current conductivity of CNF/PVDF composites

open access: yesCailiao gongcheng, 2020
Carbon nanofiber (CNF)/poly (vinylidene fluoride) (PVDF) composites with different CNF concentrations from 1% (mass fraction, the same as below) to 5% were prepared into thin films via solution casting method firstly, followed by the stretching process ...
SUN Li-li, WU Nan, PENG Rui
doaj   +1 more source

Systematic exploration of electrospun polyvinylidene fluoride (PVDF)/multi-walled carbon nanotubes’ (MWCNTs) composite nanofibres for humidity sensing application

open access: yesJournal of Taibah University for Science, 2021
In this paper, the electrospinning technique was used to obtain multi-walled carbon nanotubes (MWCNTs) supported on electrospun polyvinylidene fluoride (PVDF) nanofibres (NFs) (PVDF/MWCNTs), a composite-based mat of NFs.
Ahmed Abutaleb   +2 more
doaj   +1 more source

Effects of stretching on phase transformation of PVDF and its copolymers: A review

open access: yesOpen Physics, 2023
Poly(vinylidene fluoride) (PVDF) and its copolymers are promising candidates for energy-harvesting devices because of their flexibility, environmental friendliness, lightweight, and high halogen and acid resistance.
Wang Yang   +6 more
doaj   +1 more source

Piezo-, photo- and piezophotocatalytic activity of electrospun fibrous PVDF/CTAB membrane

open access: yesChimica Techno Acta, 2022
A composite material based on polyvinylidene fluoride (PVDF) nanofibers modified with cetyltrimethylammonium bromide (CTAB) was synthesized by coaxial electrospinning. The morphology and structure of the material were studied by SEM, FTIR spectroscopy, X-
Alina Rabadanova   +8 more
doaj   +1 more source

Piezoelectric effect and electroactive phase nucleation in self-standing films of unpoled PVDF nanocomposite films [PDF]

open access: yes, 2018
Novel polymer-based piezoelectric nanocomposites with enhanced electromechanical properties open new opportunities for the development of wearable energy harvesters and sensors.
Ballirano, Paolo   +6 more
core   +1 more source

Density Functional Theory and Molecular Dynamics Studies on Energetics and Kinetics for Electro-Active Polymers: PVDF and P(VDF-TrFE) [PDF]

open access: yes, 2004
We use first principles methods to study static and dynamical mechanical properties of the ferroelectric polymer Poly(vinylidene fluoride) (PVDF) and its copolymer with trifluoro ethylene (TrFE).
Goddard III, William A.   +2 more
core   +4 more sources

Enhanced wettability and electrolyte uptake of coated commercial polypropylene separators with inorganic nanopowders for application in lithium-ion battery [PDF]

open access: yesJournal of Nanostructures, 2019
In this research, inorganic material type and content influence on coating of commercially available polypropylene (PP) separator were studied for improving its performance and safety as lithium ion battery separator. Heat-resistant nanopowders of Al2O3,
Ehsan Shekarian   +4 more
doaj   +1 more source

Pengolahan Air Tanah di Kawasan Politeknik Negeri Bandung menjadi Air Minum dengan Metoda Ultrafiltrasi

open access: yesJurnal Teknik Kimia dan Lingkungan, 2023
Di Indonesia, khususnya di sekitar Politeknik Negeri Bandung, sebagian besar sumber air berasal dari air tanah. Air tanah di lingkungan Politeknik Negeri Bandung memiliki pH asam (< 6), coliform > 2.400, dan colitinja positif. Proses pemanasan air kurang
Emma Hermawati Muhari   +2 more
doaj   +1 more source

Multifunctional Flexible PVDF-TrFE/BaTiO3 Based Tactile Sensor for Touch and Temperature Monitoring [PDF]

open access: yes, 2017
This paper presents an enhanced piezoelectricity based sensor for touch and temperature sensing. The sensor is realized over flexible polyimide film, making it suitable for application like e-skin.
Dahiya, Ravinder   +2 more
core   +1 more source

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