Figure 2.
(a) The FTIR spectra of PVA, Pluronic and BPVA-Pluronic-3 hydrogel. (b) 1H NMR spectra of (c) BPVA-Pluronic-5 hydrogel, (d) PVA, (e) Pluronic. (f) The FTIR spectra of BPVA-Pluronic hydrogels with various weight ratio of PVA and Pluronic.
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