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−1 | Assignment | Reference |
| GIC | | | 1705 | C=O stretching vibration | [17] | 1635 | O–H stretching vibration of monomer | [17] | 1640 | C=C stretching of monomer | [17] | 1625 | Asymmetric C=O stretching of Al-polycarboxylate | [17–19] | 1554 | Asymmetric C=O stretching of Ca-polycarboxylate |
[17, 19] | 1450 | Symmetric C=O stretching of Al-polycarboxylate | [17–19] | 1405 | Symmetric C=O stretching of Ca-polycarboxylate | [17, 19] | 1644 | Water sorption band in cement | [18] | 1640–1590 |
COO− asymmetric stretching vibration | [17–19] | 1450–1405 | COO− symmetric stretching vibration | [17–19] | 1160, 1050 | C–OH stretching vibration | [17, 20] | 948 | Si–OH stretching vibration | [20] | 940–1200 | Si–O stretching vibration | [17, 20] | GIC Liquid | | | 3354 | H bonded O–H stretching vibration | [29] | 1706 | C=O stretching vibration in carbonyl group | [17] | 1630 | –OH bending vibration in carboxylic group | [17] | 1134 | Tartaric acid in F-IX | [17, 19] | 1080 | Tartaric acid in F-IX | [17, 19] | 1040 | Si–O stretching vibration | [20, 30] |
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