Figure 1. The FT-IR spectra of the PASA.
Figure 2. The 1H NMR spectra of the PASA.
Figure 3. SEM image of the cross-sectional of the PASA.
Figure 4. X-ray diffraction diagrams of the PASA polymer film.
Figure 5. TGA thermograms of the PASA under N2 atmosphere at a heating rate of 10 °C min-1.
Figure 6. UV spectra of the DNP adsorption.
Scheme 1. Chemical structure of monomer.
Scheme 2. Chemical structure of PASA.
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