Derek Bischoff

3 Questions 2 Answers 0 Followers

Questions related from Derek Bischoff

How to distinguish between a thermoplastic, a vitrimer, and a living polymer?

I'm thinking about 'inverse vulcanized polysulfides' that theoretically are polymer chains of sulfur that are crosslinked with a divinylic monomer (two different sulfur chains can connect to a...

26 June 2022 9,193 2 View

How to quantify the number of surface functionalities on modified glass particles?

I'm working on functionalizing the surface of spherical glass particles with amines using a commercial silane coupling agent. I've seen plenty of examples of the reaction conditions, but after the...

25 August 2021 7,212 3 View

How to choose sandpaper grit to avoid wall slip in rheology of concentrated suspensions?

I am trying to do oscillatory rheology of concentrated polymer suspensions (glass microspheres with mean diameter of 6.1 micron) and slip is observed at higher frequencies above 100 rad/s. I've...

08 August 2021 423 3 View