Figure 3. (a) 1H NMR spectra of KL, HIL, and HOP
powders. (b) FTIR spectra and (c) XRD patterns of PCL, KLP, HILP, and
HOLP NF mats. (d) TG curves and (e) water contact angles of KLP, HILP,
and HOLP NF mats. (f) Surface potential (φ ) of HILP and HOLP NF
mats.