Fig. 11From: The effect of 10,12-pentacosadiynoic acid on the morphology and characteristics of electrospun PDA/PU nanofibersFT-IR spectra of PU nanofibers and nanofibers according to different ratio of PU to PCDA. a Pure PDA b pure PU, c 6:1, d 5:1 and e 4:1 (spinning solution concentration: 12 wt%)Back to article page