Advances in Polymer Technology

Research Article

Effects of SiO2 Nanoparticles on Polyvinyl Alcohol/Carboxymethyl Cellulose Polymer Blend Films’ Structural, Wettability, Surface Roughness, and Optical Characteristics

Table 1

FTIR bands assignment of PVA/CMC blend film.
Wavenumber (cm−1)Assignment
3,287─OH stretching [32]
2,924─CH2 asymmetric stretching [32]
1,720C═O stretching [32]
1,662C═C stretching [32]
1,560C─H and C─O stretching [32, 33]
1,484CH2 bending [34]
1,250─CH2 bending [35]
1,234Si─O─Si stretching [36]
1,095C─O stretching of CMC [35]
920C─C stretching [37]
957Rocking vibration of CH2 [38]
856C─C stretching [35, 39]
800Si─O─Si stretching [36]