Anjali Preman

9 Questions 16 Answers 0 Followers

Questions related from Anjali Preman

How to Choose the size and number of zirconia balls to be used in a thinky mixer?

Could anyone tell me the criteria for choosing the size and number of balls to be used in a Thinky mixer? I want to make an inorganic composite material, my primary goal is to ensure the complete...

11 April 2023 7,189 2 View

Can N-Boc deprotection achieved by simple heating (without acid/water) ?

Is it possible to remove N-Boc protection group simply by heating? The t-butyl protecting group of –COOH can be removed by heating at a high temperature (160 °C for 15 h) without acid/ water. But...

14 March 2023 8,160 2 View

Can anybody help me with an efficient way to de-protect poly(tert-butyl norbornene-2-carboxylate)?

I want to make poly(norbornene 2-carboxylic acid), for the sake of characterization, I decided to start with the protected monomer norbornene-tert-butyl-2-carboxylate for the ring-opening...

04 December 2020 3,975 5 View

How can I get reuse permission (copyright) from the RSC, Wiley and Nature journals?

I am writing a review article and I would like to use figures from the papers I have discussed in my review. Some figures are the exact copy of the original while I modified by adding or...

26 June 2020 4,606 0 View

What is an alternate way to recover a polymer product from DMSO or DMF other than evaporation?

Due to the high b.p of DMSO and DMF (189 and 153 degree Celsius), it is difficult to recover my polymer from the solution. I believe extraction in a triple system (such as DCM, DMSO and water)...

05 March 2020 3,212 12 View

Is it possible to determine the molecular weight of emulsion polymers by GPC?

I performed an emulsion polymerization of tert-butyl acrylate using KPS as initiator. I confirmed the formation of polymer by NMR. But when I tried to determine the molecular weight using GPC, GPC...

13 January 2020 6,878 8 View

Is there any method other than precipitation to remove residual monomer from polymer solution?

To remove residual monomer after the RAFT polymerization of t-butyl acrylate, I usually do precipitation in methanol. Is there any other method (such as washing or others) that can better remove...

03 January 2020 6,338 7 View

Can anyone suggest me a model binder material for silicon anodes in Li ion battery?

PAA is usually taken as a model for binder material for Si anodes. Is there any other material that can be used instead of PAA?

23 April 2019 5,280 3 View

Which Hydrogen bond is more stronger?

I believe that in a polymer system involving carboxylic acid and urethane, 3 types of H-bondings are possible (please correct me if there are more than 3), (1) between -COOH and -COOH (double H...

01 January 1970 6,506 5 View