Eric Dickson

6 Questions 18 Answers 0 Followers

Questions related from Eric Dickson

Are the particles well dispersed based on my results below?

What I want to do: I have a colloidal dispersion which comprises silicon dioxide (SiO2) particles (diameter=450nm) and poly(ethylene glycol) and want to confirm that the SiO2 particles are well...

17 November 2020 1,118 16 View

How to prepare a concentrated silica dispersion in a glycol medium?

The aim is to prepare a concentrated silica nanoparticle dispersion (si=70wt%) in a glycol medium with minimum water content. Method A: I dispersed silica nanoparticles (diameter 450nm) in...

15 October 2020 5,930 13 View

How can I save one image from an image stack?

Hi, I've received a TIF file comprising 20 images (yes, 20 images compiled in one TIF file).. I can view the 20 images with windows photo viewer but I can't save the image I want.. Please help me....

07 August 2020 5,310 3 View

Shear thickening fluid - How to convert 60 vol.% to wt.%?

In many publications, authors typically describe the solid content of their shear thickening fluids using volume%, for example, prepare a 57vol.% silicone dioxide shear thickening fluid.. What...

26 February 2020 4,247 1 View

Why can't I get the same viscosity-shear rate curve even if I'm measuring the same fluid?

I noticed that if I change the shearing time per point, I can get different viscosity vs. shear rate curves for the same shear thickening fluid. Why does this happen? Is it because short shearing...

25 February 2020 8,617 9 View

How do we recycle water-born poly(urethane) adhesives?

I was watching videos of making leather shoes/coats and found that factories used much water-borne poly(urethane) adhesives. I was wondering how we can remove or recycle these adhesives from the...

13 January 2020 4,898 0 View