What is the best solvent for PCL to achieve thin cylindrical solidified fiber?

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Nima Sefidmooye Azar

Toluene is the best choice. You could use choloroform and try acetone too.

Carlos Araújo Queiroz

You may want to check answers to a related question at this forum ― What solvents can be used to dissolve PCL but not PMMA?: https://www.researchgate.net/post/What_solvents_can_be_used_to_dissolve_PCL_but_not_PMMA

Dina M. Ibrahim

PCl can be dissolved in a wide range of solvents, it would be good to check this paper

Effect of different solvents on poly(caprolactone) (PCL) electrospun nonwoven membranes

https://link.springer.com/article/10.1007/s10973-011-1640-4