نتایج جستجو برای: pvdf membrane

تعداد نتایج: 390809  

2008
Michael Q. Tran Milo S. P. Shaffer Alexander Bismarck

Aprocedure for the production of carbon nanotube (CNT) reinforced poly(vinylidine difluoride) (PVDF) powders has been developed. These powders are versatile precursors for a range of nanocomposite materials. The morphology of the CNT/PVDF powder can be related to the interaction between filler and matrix, which depends on the degree of modification of the polymer with grafted maleic anhydride (...

Journal: :Journal of biomedical materials research. Part A 2015
Jenita Pärssinen Henrik Hammarén Rolle Rahikainen Vitor Sencadas Clarisse Ribeiro Sari Vanhatupa Susanna Miettinen Senentxu Lanceros-Méndez Vesa P Hytönen

Poly(vinylidene fluoride) (PVDF) is a biocompatible material with excellent electroactive properties. Nonelectroactive α-PVDF and electroactive β-PVDF were used to investigate the substrate polarization and polarity influence on the focal adhesion (FA) size and number as well as on human adipose stem cells (hASCs) differentiation. hASCs were cultured on different PVDF surfaces adsorbed with fib...

Journal: :Journal of water process engineering 2021

Lignin is a sustainable chemical that can be extracted from wide range of lignocellulosic biowaste. It was blended into polymeric membranes to improve membrane morphology for filtration. dissolved in NaOH solution coated on different substrates the surface hydrophilicity. In this work, polyvinylidene fluoride (PVDF) with lignin filtration oily water. varied alkaline concentration (0.25–1.50 wt%...

In this study, the influence of the salts as an additive on the performance of the membrane was investigated and an extensive work was performed to optimize PVDF hollow fiber membranes through a response surface methodology (RSM). The prepared membranes were characterized by SEM, contact angle and LEP measurement. Then, the RSM was used for the optimization of surface pore size, porosity and hy...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2011
Vitor Sencadas Pedro Martins Alexandre Pitães Maria Benelmekki José Luis Gómez Ribelles Senentxu Lanceros-Mendez

This work reports on the nucleation of the β-phase of poly(vinylidene fluoride) (PVDF) by incorporating CoFe(2)O(4) and NiFe(2)O(4) nanoparticles, leading in this way to the preparation of magnetoelectric composites. The fraction of filler nanoparticles needed to produce the same β- to α-phase ratio in crystallized PVDF is 1 order of magnitude lower in the cobalt ferrite nanoparticles. The inte...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

Journal: :Nanotechnology 2010
Tae-Gyung Kim Dhanusuraman Ragupathy Anantha Iyengar Gopalan Kwang-Pill Lee

Electrospinning was employed to prepare new multi-functional nanowebs. Cyclodextrin based inclusion complex (CD-IC) was used to disperse multiwalled carbon nanotubes (MWNT) within electrospun polyvinylidene fluoride nanofibrous membranes (PVdF-NFM). Subsequently, MWNT(CD-IC)/PVdF-NFM was loaded with gold (Au) particles. The morphology, structure and thermal properties of Au/MWNT(CD-IC)/PVdF-NFM...

Journal: :Journal of The Electrochemical Society 2021

A stable Zn metal electrode can develop rechargeable zinc batteries (RZMBs) which have the high theoretical capacity (820 mAh g ?1 ), low redox potential, and intrinsic safety. However, corrosion of in aqueous electrolytes dendrite formation during plating process lead to poor cycling thus hinder development RZMBs. Here, we employed ionic liquid-based gel polymer (poly(vinylidene fluoride)-co-h...

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