https://orcid.org/0000-0002-8065-4682
Figures & data
Figure 1. FT-IR curves of: (a) CTS, (b) 1-naphthol loaded and (c) 2-naphthol loaded CTS film.
Figure 2. TGA thermograms of CTS and 1-naphthol loaded CTS film.
Figure 3. SEM micrographs 1-naphthol loaded CTS film: (a, a′) before the release test and after the release tests (b, b′) pH 6.84, (c, c′) pH 2.59 and (d, d′) pH 11.02.
Figure 4. Swelling index of CTS film in different pH conditions.
Figure 5. The UV-Spectra of 1-naphthol in: (a) distilled water, (b) pH 2.59, (c) pH 11.02, and 2-naphthol in: (d) distilled water, (e) pH 2.59 and (f) pH 11.02.
Figure 6. Calibration curves of (a) 1-naphthol and (b) 2-naphthol at different pH conditions.
Figure 7. Hydrogen bonding between (a) naphthol-naphthol, (b) 2-naphthol-water, (c) 1-naphthol-water, (d) naphthol in basic medium (NaOH solution) and (e) naphthol in acidic medium.
Figure 8. Release behaviour of 1-naphthol from CTS film for the initial loading of: (a) 50% and (b) 90%.
Figure 9. Release behaviour of 2-naphthol from CTS film for the initial loading of: (a) 50% and (b) 90%.
Figure 10. The swelling behaviour of CTS film.
