FTIR spectroscopy characterization of poly (vinyl alcohol) …
WEBMay 1, 2008 · PVA films and PVA-derived hydrogels crosslinked with GA (PVA/GA) were obtained as 1–2 mm thick films and analyzed by FTIR using Transmittance Mode. FTIR spectra were obtained in the range of wavenumber from 4000 to 650 cm −1 during 64 scans, with 2 cm −1 resolution (Paragon 1000, Perkin-Elmer, USA).
FTIR spectrum of poly(vinyl alcohol). - ResearchGate
WEBThe FTIR spectrum of the keratin bioplastic is shown in Fig. 6 and FTIR for PVA from Ref. [20] and for glycerol from Ref. [21] can be seen in supplementary file. The spectrum shows...
FTIR spectra of (a) PVA (b) PVA–ZnS. - ResearchGate
WEBThe influence of PVA loading on the films’ chemical functionalities and surface morphologies was assessed using Fourier-transform infrared spectroscopy (FTIR) and field-emission scanning ...
Crosslinked poly (vinyl alcohol): Structural, optical and …
WEBAug 1, 2021 · The chemical structure of PVA films was evaluated using the Nicolet-6700 Fourier transform infrared (FTIR) spectrophotometer from Thermo Scientific, taking averaged over 64 scans and at resolution of 4 cm −1.
Tuning the thermal and mechanical properties of poly(vinyl …
WEBNov 18, 2021 · The formation of ester crosslinks between PVA and FDCA was confirmed by Fourier transform infrared spectroscopy (FTIR). A swelling study was utilized to examine the water absorption of the ...
FTIR spectrum of pure PVA | Download Scientific Diagram
WEBFT-IR analysis of CS-PVA composite sheets indicated the existence of dominating peaks corresponding to collagen amide bands as well as PVA characteristic bands, and it demonstrates the...
FTIR spectroscopy characterization and critical comparison of poly ...
WEBDec 1, 2021 · This paper presents the interaction comparison of poly (vinyl) alcohol (PVA) with hydroxyapatite derived from Spanish Mackerel (SM) and Whitefin Wolf Herring (WWH) bones, in different processing method.
FTIR spectroscopy characterization of poly (vinyl alcohol) …
WEBMay 1, 2008 · In this work, poly (vinyl alcohol) (PVA) hydrogels with different degree of hydrolysis (DH) were prepared by chemical crosslinking with glutaraldehyde (GA). The nanostructure of the resulting hydrogels was investigated by Fourier Transform Infrared Spectroscopy (FTIR) and Synchrotron small-angle X-ray scattering characterization (SAXS).
Tailoring the molecular structure of crosslinked polymers for ...
WEBMar 19, 2020 · The choice of crosslinking compound is crucial for determining the suitability of dense PVA films for PV desalination. Here we deployed molecular dynamics simulations to reveal the interactions...
DSC-FTIR microspectroscopy used to investigate the heat-induced ...
WEBMar 9, 2011 · In the present study, a highly specialized and powerful Fourier transform infrared (FTIR) microspectroscopy equipped with a differential scanning calorimeter (DSC) was used to examine the thermal...