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Questions related from Matthew Eaton
Hello, Im having trouble understanding why I am seeing increases in viscosity at low frequency and high temperature for some neat polymers. Ive attached an example with neat LDPE. Temperatures...
28 April 2022 4,264 6 View
Hello i am trying to extrude PMMA (powder, from SIGMA) using a twin screw extruder. 220C and 100rpm. however, the material is coming out black (and also very slowly) pmma shouldn’t degrade until...
18 January 2022 2,218 1 View
Hi! I am trying to make tensile dog bones of PVA for mechanical testing using compression molding but I am having some issues. At first, I am just trying to make films using the hot press before...
28 October 2021 5,031 3 View
I'm trying to react poly(vinyl alcohol) with functionalized Carbon nanotubes. What's the best way to test to make sure that the ester bond has been formed, and the CNTs have bonded with the...
24 August 2021 3,094 4 View
Hello, I have been reading a lot about moisture sorption in plasticized starch films. One question I had is how to report water content based on the literature. Literature such as Talja, et al...
25 August 2020 7,343 3 View
Hello, I typically use 3:2 DMSO:Water for cyrogenic wet sectioning, but I have a material I need to section that dissolves in DMSO. What, other, ideally non--polar, liquids are good for wet...
10 May 2019 1,269 1 View
