Dear, does anybody know an article about the calculation of P meso when you have a racemic monomer and an achiral catalyst leading to an isotactic polymer ? I really don't find any article with the explanation.
I have made a deprotection of a ketal to obtain the corresponding ketone. However it was not complete and have still 10% of the protected product. I want to perform a bayer Villiger oxidation on...
10 November 2018 3,841 3 View
I read many articles and questions here about the solubility of PVA. Many scientists answered PVA is soluble in water, I see in a publication in DMSO. But does anybody have already work with PVA...
31 December 2017 5,624 3 View
I have found a publication about the hydride character. My question is about Et3SiH, as you can see in the file the DG value of HSiEt3 is 90 Kcal/mol, I have found a pH for Et3SiH bout 5. if we...
05 June 2015 4,825 2 View
How to calculate the RMSD values for a MD simulation using MOE?
07 August 2021 0 0 View
When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.
16 June 2021 0 0 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...
03 March 2021 7,540 4 View