Research Article

Effect of Nanoclay Dispersion on the Properties of a Commercial Glass Ionomer Cement

Table 3

Description of FTIR peaks assignment present in the spectra of Fuji-IX liquid and Fuji-IX cements shown in Figures 2 and 3.

Wave number cm−1AssignmentReference

GIC
 1705C=O stretching vibration[17]
 1635O–H stretching vibration of monomer[17]
 1640C=C stretching of monomer[17]
 1625Asymmetric C=O stretching of Al-polycarboxylate[1719]
 1554Asymmetric C=O stretching of Ca-polycarboxylate [17, 19]
 1450Symmetric C=O stretching of Al-polycarboxylate[1719]
 1405Symmetric C=O stretching of Ca-polycarboxylate[17, 19]
 1644Water sorption band in cement[18]
 1640–1590 COO asymmetric stretching vibration[1719]
 1450–1405COO symmetric stretching vibration[1719]
 1160, 1050C–OH stretching vibration[17, 20]
 948Si–OH stretching vibration[20]
 940–1200Si–O stretching vibration[17, 20]
GIC Liquid
 3354H bonded O–H stretching vibration[29]
 1706C=O stretching vibration in carbonyl group[17]
 1630–OH bending vibration in carboxylic group[17]
 1134Tartaric acid in F-IX[17, 19]
 1080Tartaric acid in F-IX[17, 19]
 1040Si–O stretching vibration[20, 30]