How can we calculate the volume fraction (f) for a diblock copolymer from its Mn, Mw, and PDI?
I don't know what the best practices are, but some of the examples I've seen estimates each block volume fraction by using the corresponding homopolymer mass density at the same given temperature. I'm not sure if there's really a better away, aside from maybe a molecular dynamics simulation at a desired temperature, if you are confident that the results can be directly used in your case.
Question to Stephane and Matthew: I can see how you can get mole and mass fractions from NMR - I would like to learn how to get volume fraction from NMR, as that would be useful. Can you describe which NMR experiment to run, and then how to get from the NMR data to volume fraction information? Thank you.
I am not very familiar with the NMR characterisation, I think first I should study that.
Here is the data file which I received from the vendor.
I have read a few papers where people are calculating it using mass densities of each block.
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