I want to prepare polymers with sulfones or quaternary ammonium salts to used as membranes, I need some ideas for the best methodology in this way.
Dissolve your polymer and electrolyte in a suitable (preferably volatile) solvent, cast it in a flatidish,allow to evaporate in vacuum , you will get your membrane.
I need to compare between new and traditional structures for their catalytic activity with Pt-Catalyst to be used as ionomer in the catalyst coated membranes in Fuel cell applications. Anyone can...
09 October 2018 2,342 1 View
How to normalize the FT-IR spectra of the same thin film polymer membranes to increase the intensity of the small peaks????
06 July 2016 476 2 View
I'm preparing polyflourinated polyether-polyphenylene block copolymer using Ulmann Reaction (Ni(cod)2). and I prepared it many times befor and it was Ok. but this time New peaks appeared in 19FNMR...
01 February 2015 5,513 8 View
I tried different methods but either low yield or no product obtaied?
31 December 2014 5,943 4 View
I want to prepare sulfonated poly ether sulfone from (diol contain benzyl azide in the ring) and diflouro derivatives. I want to know if the benzyl azide will still stable under nucleophilic...
08 September 2014 1,470 4 View
I want to prepare a membrane from solid aromatic block co-polymer for fuel cell applications. How do I do it?
08 September 2014 7,620 3 View
Does anyone have an idea about that reaction? I want a nucleophilic attack of ethylenediamine on cyano group in cyanoguanidine. May it proceed in diluted HCl?
10 November 2013 6,915 3 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
I am Looking for a Science Journal with good impact factor and low publication cost to publish a review paper. Your suggestions would be appreciated.
06 August 2024 6,796 3 View
Any idea about 'International Research Journal of commerce , arts and science? Is it a UGC listed journal? Kindly advice
04 August 2024 7,367 3 View
As authors and academic writers, we usually prepare our manuscript using our own resources. We submit these manuscripts to scientific Journals for peer review and publication sometimes at a fee....
03 August 2024 7,304 2 View
We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...
31 July 2024 3,900 2 View
Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...
31 July 2024 3,333 4 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
In some data sources it has been grouped in Q1 and some shows it is Q2.
29 July 2024 4,227 2 View
Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...
27 July 2024 5,748 0 View
Please introduce me the latest published articles on the structure and properties of metal nanocomposites?
26 July 2024 2,200 3 View