I acetylated lignin and lost all of its precipitate while washing with ethanol
Yes, it became more soluble in polar organic solvents.
The below mentioned researcher has many articles involving acetylation of lignocellulosic biomass, specially the older articles. Happy new year.
https://www.researchgate.net/profile/Yehia_Fahmy
Thank you Andrei Blasko and Tamer YA Fahmy for your valuable responses
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