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Questions related from Fatima ezzahra Bouharras
Hello! Does anyone have a hand on experience of 3,7-dibromophenothiazine preparation/synthesis? I have tried many protocols including Br2 in AcOH and NBS in DCM or THF. All in vain. Pour in your...
23 November 2022 7,227 0 View
What is the equation for determination of DPn or molecular weight of polybutylene succinate (the polymer was prepared by polycondensation of diol and diacid) from NMR spectroscopy? TIA
02 October 2022 3,625 5 View
Generally, the first heating scan is representative of the products, whereas the cooling step and the second heating scan give information on the polymer . Related to dielectric measurements, can...
19 July 2020 4,153 3 View
In polymer nanocomposite synthesis by grafting from thechnique (RAFT or ATRP), we need to know the Molecular weight (Mn) of grafted polymer. Usually, we need to cleave the polymer from...
24 October 2018 9,840 3 View
I prepared a nanocomposite system made from a polymer and inorganic filler and I need to determine from TGA the amount of each compound. The TGA provide the weight loss in % of the organic matter...
25 May 2018 2,312 11 View
