Materiales avanzados

 

Materiales avanzados

Flexible, transparent, and durable slippery liquid?infused porous surface achieved by void?centered PVDF?co?HFP membrane for self?cleaning antifog coating
23/07/2024 - An oligomer deep eutectic solvent (DES) is used to promote rubber vulcanization and silica dispersity. The DES could reduce tan? and weaken weak strain overshoot accompanying Payne effect, and could...
Biodegradable Ferroelectric Molecular Plastic Crystal HOCH2(CF2)7CH2OH Structurally Inspired by Polyvinylidene Fluoride
06/07/2024 - A molecular ferroelectric crystal PFND with a 2D hydrogen bond network structure is discovered following the construction idea of ferroelectric PVDF. By decreasing the number of ?CF2? groups from...
Synthesis of sub?micron sized SiC particles with high defect density by using polytetrafluoroethylene as an additive
28/06/2024 - A new preparation process for silicon carbide (SiC) powder is developed. In the Si–(C) –PTFE–Ar system, the grain size and morphology of the product 3C–SiC were controlled by adding a carbon...
Recent advances in polymer-based superhydrophobic coatings: preparation, properties, and applications
26/06/2024 - AbstractOver the last decade, superhydrophobic surfaces with their new functional and structural properties have attracted a lot of interest both in the scientific research environment and in the...
Environmentally friendly zwitterionic fluorocarbon surfactant for high-efficiency emulsion polymerization of fluoropolymers
07/06/2024 - AbstractFluorocarbon surfactants are widely used, especially in the emulsion polymerization of fluoropolymers, due to their high surface activity, excellent stability, and excellent compatibility....
Evaluation of various membranes at different fluxes to enable large?volume single?use perfusion bioreactors
04/05/2024 - This study evaluates perfusion cell culture performance and productivity at various membrane fluxes (1.5–5 LMH), utilizing three different membrane chemistries (polyvinylidene difluoride [PVDF],...
Production of Stable Electrically Conductive PVDF Membranes Based on Polydopamine-Polyethyleneimine—Assisted Deposition of Carbon Nanotubes
- Electrically conductive membranes (ECMs) have emerged as a multifunctional separation technology that integrates membrane filtration with electrochemical reactions. Physical stability remains a...
Binder-Free Three-Dimensional Porous Graphene Cathodes via Self-Assembly for High-Capacity Lithium–Oxygen Batteries
25/04/2024 - The porous architectures of oxygen cathodes are highly desired for high-capacity lithium–oxygen batteries (LOBs) to support cathodic catalysts and provide accommodation for discharge...
Rubber-like PTFE Thin Coatings Deposited by Pulsed Electron Beam Deposition (PED) Method
25/04/2024 - PTFE coatings were manufactured using the pulsed electron beam deposition (PED) technique and deposited on Si substrates. The deposition was carried out at constant parameters: temperature 24...
Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite
10/04/2024 - This study presents an analysis of films which consist of two layers; one layer is PVDF as the matrix, along with fillers BaTiO3 (BT), and the second is one bacterial nanocellulose (BNC) filled with...
Super?Ionic Conductor Soft Filler Promotes Li+ Transport in Integrated Cathode?Electrolyte for Solid?State Battery at Room Temperature
07/04/2024 - Composite polymer solid electrolytes (CPEs), possessing good rigid?flexible, are expected to be used in solid?state lithium metal batteries. The integration of fillers into polymer matrices emerges...
A Study on the Effect and Suppression of Hydrogen Permeation Behavior on the Friction Characteristics of PEEK/PTFE Composites via Molecular Dynamics Simulation
05/04/2024 - To research the effect of hydrogen permeation on the friction characteristics of the seal materials on the hydrogen equipment, the molecular models of 10% PEEK/PTFE composites and its frictional...
PVDF Nanocomposites as Piezoelectric Nanogenerator: Properties, Fabrication and Market Applications
02/04/2024 - Depletion of fossil fuels and increase in pollution through chemical batteries trigger the development of self?powered devices based on flexible piezoelectric nanogenerators. Biocompatible...
Fluorinated Polydopamine Shell Decorated Fillers in Polytetrafluoroethylene Composite for Achieving Highly Reduced Coefficient of Thermal Expansion
04/04/2024 - The noticeable difference in the coefficient of thermal expansion (CTE) for polytetrafluoroethylene (PTFE) coatings and copper substrates is a major challenge for thermal debonding of the copper-clad...
Application of Pure and Modified Polyvinylidene Fluoride Materials for Wastewater Treatment Using UASB Reactor Technologies: A Review
04/04/2024 - Wastewater treatment is now required because of the problems caused by water constraints. Wastewater is anaerobically digested to produce biogas, which can be used as a source of energy for things...
Effects of Electroporation on the Function of Sarco/Endoplasmic Reticulum Ca2+-ATPase and Na+,K+-ATPase in H9c2 Cells
22/03/2024 - Pulsed field ablation (PFA) is a promising new treatment for atrial fibrillation (AF), in which pulmonary vein isolation is achieved by irreversible electroporation. Electroporation causes ATP to...
Synthesis and Characterization of Perfluorocyclopentene?thioether Polymers
22/03/2024 - Due to their unique properties and use in high performance materials, the ability to obtain fluorinated polymers utilizing straightforward synthetic methods remains of interest. In this study, we...
Exceptional Lithography Sensitivity Boosted by Hexafluoroisopropanols in Photoresists
15/03/2024 - Advanced lithography requires highly sensitive photoresists to improve the lithographic efficiency, and it is critical, yet challenging, to develop high-sensitivity photoresists and imaging...
Boosting the Piezoelectric Response and Interfacial Compatibility in Flexible Piezoelectric Composites via DET-Doping BT Nanoparticles
08/03/2024 - With the advent of the Internet of Things, self-powered wearable sensors have become increasingly prevalent in our daily lives. The utilization of piezoelectric composites to harness and sense...
Ultra-Thin Ion Exchange Membranes by Low Ionomer Blending for Energy Harvesting
06/03/2024 - Exploring the utilization of ion exchange membranes (IEMs) in salinity gradient energy harvesting, a technique that capitalizes on the salinity difference between seawater and freshwater to generate...
Research progress in highly efficient reversible deactivation radical polymerization of vinylidene fluoride
01/03/2024 - Abstract Polyvinylidene fluoride (PVDF)-based polymers are extensively utilized in various fields such as building and large bridge coatings, lithium battery binders and...