Results 41 to 50 of about 47,133 (298)

Scale Design of Dual-Layer Polyphenylsulfone/Sulfonated Polyphenylsulfone Hollow Fiber Membranes for Nanofiltration

open access: yesMembranes, 2023
This study focuses on the synthesis and characterization of dual-layer sulfonated polyphenylenesulfone (SPPSu) nanocomposite hollow fiber nanofiltration membranes incorporating titanium dioxide (TiO2) nanoparticles through the phase inversion technique ...
Javed Alam   +3 more
doaj   +1 more source

Electro-spinning/netting: A strategy for the fabrication of three-dimensional polymer nano-fiber/nets. [PDF]

open access: yes, 2013
Since 2006, a rapid development has been achieved in a subject area, so called electro-spinning/netting (ESN), which comprises the conventional electrospinning process and a unique electro-netting process. Electro-netting overcomes the bottleneck problem
Ding, Bin   +4 more
core   +1 more source

Novel electrospun polyvinylidene fluoride-graphene oxide-silver nanocomposite membranes with protein and bacterial antifouling characteristics

open access: yeseXPRESS Polymer Letters, 2018
We developed and fabricated novel polyvinylidene fluoride (PVDF)-(0.5–2%)Ag and PVDF-(0.5–2%)Ag-1% graphene oxide (GO) nanocomposite membranes with antifouling properties through electrospinning. Silver nanoparticles (AgNPs) were in situ synthesized from
C. Liu   +4 more
doaj   +1 more source

A Study for Water Purification Using Reverse Osmosis Membrane Modified with Carbon Nanotube [PDF]

open access: yesآب و فاضلاب, 2018
Water desalination systems is among the methods used to produce potable water to be used for domestic, agricultural and industrial applications.  Reverse osmosis is a common methods  employed for desalination facilities, mainly because of its low energy ...
Mohammad Delnavaz   +2 more
doaj   +1 more source

Functionalization and Surface Modification of Mesoporous Hydrophobic Membranes by Oligomers and Target Additives via Environmental Crazing

open access: yesMembranes, 2023
This work offers an ecologically friendly and facile approach for the modification of high-tonnage commercial polymers, including polypropylene (PP), high-density polyethylene (HDPE), and poly(ethylene terephthalate) (PET), and preparation of ...
Alena Yu. Yarysheva   +3 more
doaj   +1 more source

Application of retardation-modulation polarimetry in studies of nanocomposite materials

open access: yes, 2019
We demonstrate an application of retardation-modulation polarimetry in studies of nanocomposite materials. Molecular ordering is explored on both nonchiral and chiral liquid crystals (LCs) in the bulk state and embedded into parallel-arrays of ...
Andrushchak, Anatoliy   +4 more
core   +1 more source

Properties of casting solutions and ultrafiltration membranes based on fullerene-polyamide nanocomposites

open access: yeseXPRESS Polymer Letters, 2012
Poly(phenylene isophtalamide) (PA) was modified by fullerene C60 using solid-phase method. Novel ultrafiltration membranes based on nanocomposites containing up to 10 wt% of fullerene and carbon black were prepared.
N. N. Sudareva   +4 more
doaj   +1 more source

Facile preparation of agarose-chitosan hybrid materials and nanocomposite ionogels using an ionic liquid via dissolution, regeneration and sol-gel transition [PDF]

open access: yes, 2014
We report simultaneous dissolution of agarose (AG) and chitosan (CH) in varying proportions in an ionic liquid (IL), 1-butyl-3-methylimidazolium chloride [C4mim][Cl].
Kumar, Arvind   +2 more
core   +2 more sources

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz   +3 more
wiley   +1 more source

Influence of SiO2 Nanoparticles on the Characteristics of a Polyvinyl Alcohol-Based Proton Exchange Composite Membrane

open access: yesEast European Journal of Physics
This paper presents a study of nanocomposite membranes based on cross-linked polyvinyl alcohol with silica nanoparticles, fabricated by solution casting, for application in vanadium redox batteries (VRFBs).
U.F. Berdiev   +4 more
doaj   +1 more source

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