Clogging-Free Electrospinning of Polycaprolactone Using Acetic Acid/Acetone Mixture

Clogging of polymer at the tip of the needle is a major problem in electrospinning that hinders the continuous electrospinning. A new combination of two environmentally benign solvents, acetone/acetic acid mixture, was investigated to eliminate clogging. Our results show that the use of acetone/acetic acid mixture in the ratio 3:7 as the solvent system completely avoided the clogging.