May 21, 2020 · To improve the performance of high temperature polymer electrolyte membrane fuel cells, the properties of CL were altered. Two types of ionomer, PTFE and PVDF, and three platinum carbon concentrations of 10 wt%, 20 wt% and 40 wt% Pt/C were chosen to find the best CL combination.

Using operando techniques to understand and design high performance and stable alkaline membrane fuel cells. July 2020; Nature operation at high reacting gas dew points, high PTFE content.

Oct 13, 2020 · GORE® CR-PTFE allows the gas molecules to escape through the membrane without damaging the insulation. Because PTFE fibers are chemically inert and thermally stable, GORE® High-Voltage Cables can be used even at cryogenic temperatures or as high as 300°C for short periods of time.

A single-layer PTFE membrane construction ensures validated sterility, while providing maximum flow rate over a wide range of operating conditions. The optimal performance-to-cost ratio allows benefiting from the lowest cost-of-ownership for air/gas and aggressive solvent filtration.

Mar 12, 2017 · Pure PTFE coated filter material because of its high temperature resistance, corrosion resistance and high filtration efficiency, excellent performance, fully competent control of PM2. 5 particulate matter .Compared with PTFE microporous membrane filter material, PTFE coated filter material can make the dust filter from conventional deep filter

Sep 20, 2015 · The effects of polytetrafluoroethylene (PTFE) binder content in the catalyst layer of high temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) utilizing phosphoric acid doped Advent TPS ® polymer electrolyte membranes (pyridine bearing aromatic polyethers, TPS) has been investigated in terms of both hydrogen/oxygen and hydrogen/air performance.

Aug 15, 2014 · The high flux performance for the nanofibrous membrane (S4) is mainly due to the high void volume fraction and interconnected open structure of the nanofiber layer compared with the commercial PTFE membrane. Download : Download full-size image; Fig. 6. Dynamic water contact angle of PVDF–PTFE nanofibrous membranes and PTFE commercial membrane.

High performance PTFE belongs to a category of synthetic rubbers called Fluoroelastomers that is valued the world over for their exceptionally broad spectrum of resistance to chemicals, solvents, fats, greases, etc., which can damage conventional elastomers and shorten the life of traditional membranes.

May 01, 2021 · Proper material selection has been one of the most important aspects in the design of chemical process equipment. In particular, the oil and gas industry has transitioned from using metals to non-metals (e.g. advanced and high performance polymeric materials) in most of their structural components, coatings, equipment parts, and the like.

Oct 15, 2017 · For the selection of membrane materials, good chemical and thermal stability as well as high gas permeability are required. Several polymers have been studied, including tetrafluoroethylene-perfluoroalkylvinylether (PFA) , polyimide (PI) , polytetrafluoroethylene (PTFE) , fluorinated ethylene propylene (FEP) and Teflon AF2400 .

(PTFE) in both the GDL and catalyst layers. The end result is a high performing AMFC that also has record durability, which is shown through continuous operation for more than 1000h at 600mAcm−2 with a very low degradation rate. Results Effects of AMFC water on ionomer swelling and performance.

Jul 01, 2021 · Zeolite membranes have great prospects for gas separation due to their molecule-grade size, high separation performance and good hydrothermal stability [7,8]. Zeolite membranes such as DDR [ 9 , 10 ], MFI [ 11 ], zeolite Y [ 12 ] and SSZ-13 [ 13 , 14 ] have been used for CO 2 separation from CH 4 and had good resistances against high CO 2

We are your expert in separating fluids down to the nano-scale. We offer a wide range of high performance membranes, like PEEK, PVDF, PES, and also custom made membranes optimized for your process.

Having a surface area of 280 cm², each Mini Kleenpak capsule filter contains a proprietary high performance PTFE membrane which is inherently hydrophobic and chemically resistant. This membrane is designed to remove bacteria, viruses and particles from air and gas streams, even in the presence of humidity and moisture.