QDSSCs using intrinsic polyelectrolte (polyurethane anionomer)
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under optical microscope?
07 August 2024 2,132 3 View
These days policy coordination is becoming necesssary on different front. In India also it is the same case. Monetary and Fiscal policy interface is important in order to address the...
30 July 2024 2,104 6 View
The threshold voltage (Vth) of a MOS device plays a crucial role for its operation. At the same time, noise is an intrinsic factor. So how noise (flicker or thermal) change with the change in...
29 July 2024 3,246 0 View
Hi there, I did a CFA to 10 items on 2 latent variables. The model fit is too good and I've never seen it before. CFI / TLI = 1, RMSEA = 0. Is it okay, if everything else was done properly?...
24 July 2024 5,454 7 View
If you don't understand my question let me know
21 July 2024 563 1 View
I am working on scale development in behavioral finance by undertaking a mixed-method approach using the exploratory sequential design. The phenomenon has diverse meanings in existing literature...
20 July 2024 9,153 11 View
I need to convert Available phosphorus into total phosphorus
18 July 2024 6,799 3 View
Bioinformatics tools like peptide cutter
15 July 2024 6,453 1 View
Hi everybody, I wonder is there a way to prepare foam from iso-propanol/water mixture? The content of this alcohol should be 70 – 80 w.%. I plan to use silicone-based surfactants, I have several...
15 July 2024 3,539 0 View
From the literature, densification strain of polymeric foam material determine by mainly two method: 1. Using the tangent method. 2. Using the energy absorption efficiency method Kindly suggest...
22 April 2024 9,780 3 View
I am trying to coat urea with Polyurethane modified with Siloxane and PEG-400. I synthesized the polyol myself using cotton stalks (Liquified cotton stalk) and the MDI that I am using is...
27 March 2024 5,587 2 View
While reading papers on polyurethane synthesis, a question arose. Q1. MDI [methylene di(p-phenyl) isocyanate] 2mmol PTMO[poly(tetramethylene oxide)] 1mmol 1,4-butanediol 0.9mmol...
27 March 2024 2,718 2 View
In linear polyurethane, which is made by reacting isocyanate with two NCO and -diol with two OH, the R ratio (the ratio of NCO to OH), cannot theoretically deviate significantly from 1:1, right?
25 March 2024 4,488 8 View
When making medical TPU using PCL, some papers use stannous octoate, while others do not. Is stannous octoate really necessary?
18 March 2024 8,587 3 View
To make polyurethane, TPU pellets are melted with DMF or THF solvent. Q1. Is the urethane bond between diol and isocyante broken by the solvent? Q2. When the solvent is volatilized, a urethane...
16 March 2024 5,039 9 View
Please recommend some quality books that assist in the development of prepolymer for the application of polyurethane in footwear soles.
16 March 2024 1,295 0 View
I will use polyurethane foam for replica impregnation method. I want to increase hydrophilicity of polyurethane. Which chemical should I treat the surface of the polyurethane foam to increase its...
10 March 2024 7,783 2 View
Greeting, currently working mixing of thermoset and thermoplastic polymer to from a coating. I would like to study in term of diffusion either both material miscible or immiscible between these...
07 February 2024 7,641 2 View
I'm trying to get a good dispersion BiFeO3 in TPU using probe ultrasonication. I then take the mixture and try to get a good film using a doctor blade method. So far, I can't seem to get as good a...
05 February 2024 7,519 0 View
