Chemical reaction in which monomeric components are combined to form POLYMERS (e.g., POLYMETHYLMETHACRYLATE). | Contact experts in Polymerization to get answers
1,242 views 2,753 posts
Questions related to Polymerization
I have a DSC result run from -90oC to 100oC in a heat/cool/heat cycle. Tg, crystallisation and melting peaks are observed in the heat run. However the cool run, the crystallisation peaks are not...
08 June 2023 2,711 3 View
Mobile phase ACN and water 90:10
05 June 2023 2,961 3 View
I analyzed my polymer sample after polymerization by NMR and GPC. The Mn that I obtained by GPC didn't match with my conversion rate obtained by NMR. For exemple, for a PEGMA RAFT polymerization...
05 June 2023 7,205 2 View
Hello, for liquid transfer/ filtration - has anyone used peristaltic pumps of 'Kamoer' make? I am looking for some user reviews before I buy it.
31 May 2023 1,375 0 View
I did a light absorption test using UV-Vis spectrophotometry on three types of materials. From the test results, I was surprised because it was found that a material with a higher absorbance had a...
29 May 2023 8,504 4 View
Solid- state methods Carbon dots Quantum yield
28 May 2023 2,033 6 View
Peroxidase Activity Assay: Homogenize a known amount of fresh fruit tissue in a phosphate buffer (pH 7.0) using a chilled mortar and pestle. Centrifuge the homogenate at a low temperature (4°C) to...
25 May 2023 9,287 0 View
On top of the slurry, I added the loaded sample with some silica gel which is in powder form. Is there any literature regarding this method?
23 May 2023 6,813 4 View
I am looking for a model to describe the relationship between the heat distortion temperature of polymer with different types of deformation in polymers.
21 May 2023 7,337 2 View
Hello community!! What is the proper cleaning method for Glasswares( vials, reagent bottles), plastic falcons used for clay materials (Sepiolite, MSN) and polymeric nanoparticles based experiments?
19 May 2023 1,536 3 View
What is the best way to remove the residue of an alginate gel from a production line which is used to coat sauages? Since the residue is very stubborn, which chemicals would work best to remove...
16 May 2023 6,519 1 View
In the past I have conjugated an acid to polyethyleneimine with percentage conjugation of around 25%. I wanted to increase this percentage, and so I doubled the amount of acid, EDC and NHS before...
15 May 2023 3,244 2 View
Hello, We polymerize the MMA in suspension polymerization. We need to make a better free flowing of the polymer particles. We don't know how to do that. Would you please help me? Best regards,
14 May 2023 3,982 2 View
so i saw the procedure according to the aocs official method ca 5a-40 free fatty acids. and it is written that: 1. Dissolving the oil sample in 95% alcohol as a solvent 2. using PP indicator in...
13 May 2023 2,255 0 View
The question aims to explore whether this substitution is a viable option, and if there are any potential drawbacks or limitations to using an ultrasonic bath for this purpose.
11 May 2023 4,278 1 View
I was recently trying to figure out R vs. Revman for meta-analysis. Revman as a beginner, looked easy and user-friendly. But on the contrary to that, I have been reading R gives you much more...
10 May 2023 8,293 6 View
I found a method to synthesize hydroxymethyl salicylaldehyde. This method contains: formaldehyde + salicylaldehyde ==(HCl + 80 C + 20 min)== > hydroxymethyl salicylaldehyde but I don't know the...
06 May 2023 3,866 2 View
Hello hi I would like to know, how the sodium silicate solution (55% solid) dried faster without heating in the lamination of aluminum and cloth.
05 May 2023 2,741 0 View
How about the International Research Awards on Advanced Nanomaterials and Nanotechnology? How to evaluate the award from the perspective of a researcher in the field of nanotechnology
03 May 2023 5,870 1 View
Does a higher Tan delta value for a vsico-elastic polymer lead to an increased cold creep?
02 May 2023 1,988 3 View
Hello! Can anyone help me with an article or book where I can find the advantages and disadvantages of FTIR and micro-FTIR techniques used in the analysis of microplastics? Thank you!
02 May 2023 9,858 4 View
I am trying to dissolve CMC-SBR in water at 80C. First, I start with dissolving CMC in water, stirring at 80C, and after CMC is dissolved I added SBR, but SBR ends up as white gel-like structures....
01 May 2023 8,551 6 View
I am working on calculating the homo lumo band gap of some compounds for catalytic protein-ligand using 6-31G basis set. However, I find some of the papers using 6-31G(d) and 6-31G(d, p). Which...
29 April 2023 1,218 2 View
I am looking for a parameter to investigate the mechanical stability and structural strength of prepared polymeric core-shell particles. I want to study the probable destruction of core-shell...
29 April 2023 5,438 4 View