Rough estimation of polymer Mw via IR?

jvrijdag's picture

Hello Everyone,

I was wondering if someone knows any work on polymer Molecular Weight (Mw) estimation via IR? It does not have to be accurate, a rough estimation is good enough!

End group determination is not an option, because of the lack of a specific end group and the high degree of polymerisation. I guess it won't be easy via a direct measurement, maybe some creative idea for an indirect experiment will cross someones mind?