Shashi Yadav

4 Questions 2 Answers 0 Followers

Questions related from Shashi Yadav

Does humidity cause polymer solution to drip instead of electrospinning?

I had electrospun PAN/DMF solution at various concentrations in February and it spun well, i.e., without dripping. But when I replicated the experiment (concentration, distance, voltage were same)...

14 May 2018 7,830 4 View

How can I determine good, poor and non-solvents for a polymer using the Hansen Solubility Parameter?

Do I have to calculate the solubility parameter of a polymer(Polyacrylonitrile) myself or can I use the data available for it in the Hansen Solubility Parameters: A User's Handbook. How should one...

05 December 2017 8,378 3 View

Is carbon disulphide immiscible in dimethylformamide and do they react with each other?

Carbon disulphide is known to react with amines, however does it react with amides(DMF) as well?

20 November 2017 7,800 3 View

What is the boiling point of the azeotrope formed by heptane and DMF?

What is the percentage of DMF and Heptane in the azeotrope?

10 November 2017 2,079 2 View