Abstract
Wound dressing devices composed of microfibers of poly(butylene-adipate-co-terephthalate) and poly-(ε-caprolactone) incorporated with ibuprofen were obtained by electrospinning technique. The effect of ibuprofen concentration (0, 10, and 20% m m-1) on morphology, spectroscopic, and thermal characterization was evaluated. The fibers containing ibuprofen presented beads and revealed no uniformity. The spectroscopic analysis showed signals that reveal the ibuprofen incorporation on fibers. At the same time, X-ray diffraction spectroscopy indicated a difference in the fiber crystallinity depending on drug concentration, where a lower crystallinity was verified by the film containing a greater concentration incorporated. Rheological measurements revealed that films were more plastic in greater ibuprofen incorporation. Contact angle characterization revealed that ibuprofen solubilization on composite surfaces increased the film wettability. Finally, the fibers promoted the controlled release of ibuprofen, promoting morphological changes in polymeric matrices. The material developed can be used in future biomedical applications.
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