Chemical reaction in which monomeric components are combined to form POLYMERS (e.g., POLYMETHYLMETHACRYLATE). | Contact experts in Polymerization to get answers
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Questions related to Polymerization
I was wondering if it is possible to add a second photoinitiator to SU-8 to photopolymerize it at higher wavelengths. Theoretically, it seems doable, but I'm unsure about the chemistry~
17 January 2023 1,622 2 View
hi everyone, I've trial various methode about solubility Hydrous Benzoyl Peroxide to our product, i've try Ethoxydiglycol, Propylene Glycol, Caprylic Triglyserides and also try for solvent...
16 January 2023 7,188 0 View
Hello fellows, I'm looking for a lab-scale twin-screw extruder for my lab. My primary use is extruding thermoplastics and polymer composites as filaments for 3d printing via FDM printers. For...
09 January 2023 2,528 3 View
How can I add the robust confidence ellipses of 97.5% on the variation diagrams (XY ilr-Transformed) in the robcompositions ,or composition packages? Best Azzeddine
08 January 2023 7,985 1 View
Hello everyone. I am the new one in the polymer field. Just now I have the DSC data. but I dont know how to calculate the ∆Hf and ∆Hm from this result. This is the first time I facing this...
05 January 2023 1,740 2 View
How to carry out molecular dynamics simulations between oxalic acid and bare Fe surface in a vacuum. And also, calculate the adsorption energy by dmol3 in the Materials studio?
05 January 2023 1,768 3 View
Preferably by chemical and physical method
30 December 2022 1,606 8 View
I have observed that pH goes down during the preculture for three days, then when transfered to culture shake flasks, the pH goes up. I would like to cover all the factors that might contribute to...
28 December 2022 6,146 3 View
I have synthesized convert graphite to graphene oxide(GO) and then GO to reduced graphene oxide(rGO) using the modified Hummer method. During PXRD characterization I found that GO XRD peak comes...
26 December 2022 1,369 3 View
We are looking for any software that is used in water absorption kinetics modeling like Peleg's model, Mohsenin's model and so on.
25 December 2022 621 3 View
Hello everyone, This is Sayan. I am a graduate student in UF, chemistry. In one of our project, we want to validate one conclusion regarding the unique clustering behavior of some...
23 December 2022 8,441 0 View
we have old XRD system of Rigaku RadB dmax-2 and i am trying to optimize it. the main problem of the device is determined the absent of the intensity during the scan, i made zero angle calibration...
22 December 2022 990 22 View
How to perform antimicrobial activity of Chitosan Schiff base as it is insoluble in any solvent. Please could anybody guide me? : In some of papers I have found that they used powder while...
21 December 2022 6,110 3 View
I treated graphene nanoplatelets (GNP, C-750) by sonicating them with a mixture of 50%H2SO4/50%HNO3 (3:1) and washed repeatedly with water until neutral. The idea was to introduce oxygenated...
14 December 2022 1,796 4 View
I want to perform TG-DTA on NaOH in an inert medium. Generally, alumina and platinum crucible are used for TG-DTA. However, I am confused with respect to crucible material compatibility with NaOH...
13 December 2022 6,745 2 View
Good morning/evening excuse me I want to ask about potential open circuit (OCP) corrosion. Prior to OCP testing, the specimens were sandblasted at different angles and distances (45⁰ angle 50 cm...
11 December 2022 5,270 2 View
I am trying to prepare a large number (24 in total) of thermoplastic polyurethane samples for tensile testing. I have 8 different samples and want to make 3 of each. Some of the samples will...
09 December 2022 1,389 0 View
In a few articles, I have come across images that are similar to SEM cross-sectional images but taken with AFM, but the article does not mention the details. Can you help me to measure in this way?
08 December 2022 1,159 4 View
Why chromium trioxide or chromic acid is often used to remove corrosion product from magnesium alloy?
05 December 2022 3,135 3 View
I would like to calculate the vertical ionization energy of a molecule using Gaussian16. And which is the best method to do it?
03 December 2022 1,428 3 View
I did Zeta potential and also XPS for my ZnO nps it that i got potential of -25.6mv. but from XPS analysis it showcasing ZN2+ ions are present.. kindly explain how i have to describe. Thank you
03 December 2022 2,462 7 View
Usually to visualise proteins or biological polymers in Transmission Electron Microscopy, negative staining with uranyl acetate or phosphotungstic acid is performed but i simply drop casted my...
30 November 2022 9,458 4 View
So i made a combination of Natural Rubber with Boron Carbide for shielding and i did a XRD test but the result not match with Boron Carbide pattern, instead it match with Graphite pattern. is...
30 November 2022 402 3 View
I want to use Glycerin as lubricant or as a softener in masterbatch processing, can someone guide that it could be use or not??
29 November 2022 1,864 2 View