Hossein Adelnia

5 Questions 23 Answers 0 Followers

Questions related from Hossein Adelnia

W/O Emulsion Stability at High Temperatures? How to Have Stable W/O Emulsion Against Evaporation?

Hi everybody, I want to prepare W/O emulsion highly stable against temperature. The water phase should be soluble starch 20wt.% which is indeed highly viscose. After the emulsification, I want to...

04 April 2016 5,343 11 View

How can I synthesize citrate-capped Ag nanoparticles with 1.5 wt.% or higher solid content?

I need to synthesize citrate-capped Ag nanoparticles with 1.5 wt.% solid content. Every time I have tried, the obtained dispersion has been unstable. I have changed pH, Temp, other variables....

02 February 2016 9,481 1 View

How surface tension of an ionomer (copolymers containing ionizable units) relates to its ionic group content?

Hello everybody,I want to synthesize a copolymer containing neutral (e.g., methyl methacrylate) and ionizable (e.g., acrylic acid) groups. I prefer to know the surface tension of the synthesized...

09 September 2015 9,598 13 View

How does polymerization kinetic affect particle size & size distribution in dispersion polymerization method?

Hello By adding a small amount of a comonomer whose polarity is almost similar to the main monomer (i.e., it does not change thermodynamic aspects of the system), particle size was decreased, and...

09 September 2015 2,231 6 View

Can anybody suggest a solvent by which I can prepare PVA (partially hydrolyzed around 85%) solution with more than 35wt% solid content?

PVA molecular weight is not important in my case; and I can choose PVA even with 10,000 gr/mol. just need to have a high solid content solution of PVA. Water as a solvent is the best choice in my...

09 September 2014 5,012 2 View