Saeideh Ghaffari

5 Questions 10 Answers 0 Followers

Questions related from Saeideh Ghaffari

The incompatibility of nitrocellulose and polyurethane resins in wood varnish?

We develop a PU wood varnish coat and see incompatibility, gel-like sedimentation after 24 hours and some small gel particles in dry film. The formula has 65% acrylic polyol, 4% nitrocellulose....

01 January 2019 4,215 2 View

Any advice on symmetry solvents for freezing polymer blends?

Why high symmetry solvents are proper for freez polymer blends?

12 December 2015 2,363 4 View

Which surfactant do you recommend for dispersion of Al2O3 in epoxy resin?

I want to disperse Al2O3 nanoparticles in epoxy resin,for this work, I have to use surfactant to coat nano particles.

01 January 2015 5,222 8 View

Do you know any evaporation retardant for PMA (2-methoxy-1-methylethyl acetate)?

I use this solvent for printing ink. I want to retard vaporation of this solvent

01 January 2015 8,569 1 View

Can the ZnO + AlCl3 reaction be done?

If so, under what conditions? What about this one? 3 ZnCl2 + Al2O3 = 3 ZnO + 2 AlCl3

12 December 2014 6,412 5 View