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. 2019 Mar 21;11(3):537. doi: 10.3390/polym11030537

Figure 22.

Figure 22

(a) 1H and (b) 13C NMR spectra of γ-aminotriethoxysilane (APS) hydrolysis (t = 5 min and t = 4 h) under natural pH. Reprinted with permission from [49]. Copyright Elsevier, 2013.