Utilization of an Ionic Liquid/Urea Mixture as a Physical Coupling Agent for Agarose/Talc Composite Films
Abstract
:1. Introduction
2. Results and Discussion
2.1. Mechanical Testing
2.2. Morphology Examination
2.3. DSC Analysis
Agarose/talc (wt %) | BmimCl/Urea (wt %) | Tg (°C) |
---|---|---|
100 | 0 | 98.9 |
98 | 2 | 102.4 |
96 | 4 | 108.5 |
94 | 6 | 113.5 |
92 | 8 | 120.6 |
90 | 10 | 122.1 |
2.4. TGA Characterization
Agarose/talc (wt %) | BmimCl/Urea (wt %) | Initial decomposition temperature (°C) | Maximum decomposition temperature (°C) |
---|---|---|---|
100 | 0 | 192.7 | 300.1 |
98 | 2 | 182.1 | 267.8 |
96 | 4 | 163.5 | 260.6 |
94 | 6 | 163.4 | 259.7 |
92 | 8 | 150.4 | 258.9 |
90 | 10 | 146.0 | 256.2 |
2.5. FTIR Analysis
BmimCl/Urea (wt %) | Wavenumber (cm−1) | |||||
---|---|---|---|---|---|---|
O–H stretching | C–H stretching | CH3 bending | C–O–C stretching | Si–O–Si stretching | Si–O–Mg stretching | |
0 | 3369 | 2901 | 1369 | 1155 | 1010 | 665 |
2 | 3361 | 2902 | 1369 | 1156 | 1016 | 665 |
4 | 3358 | 2902 | 1369 | 1157 | 1017 | 664 |
6 | 3355 | 2905 | 1369 | 1157 | 1018 | 664 |
8 | 3353 | 2905 | 1369 | 1157 | 1022 | 664 |
10 | 3350 | 2907 | 1370 | 1159 | 1030 | 662 |
2.6. FT-Raman Study
Raman shift (cm−1) | Assignment | Functional group |
---|---|---|
670–693 | SiO4 stretching | Silica |
862–870 | C–H bending | Alkane |
1071–1078 | C–O stretching | Alcohol |
1302–1310 | CH3 bending | Alkane |
2937–2945 | C–H stretching | Alkane |
3300–3331 | O–H stretching | Alcohol |
3. Experimental Section
3.1. Materials
3.2. Preparation of BmimCl/Urea Mixture and Agarose/Talc Composite Films
3.3. Characterization
4. Conclusions
Acknowledgments
References
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Shamsuri, A.A.; Daik, R. Utilization of an Ionic Liquid/Urea Mixture as a Physical Coupling Agent for Agarose/Talc Composite Films. Materials 2013, 6, 682-698. https://doi.org/10.3390/ma6020682
Shamsuri AA, Daik R. Utilization of an Ionic Liquid/Urea Mixture as a Physical Coupling Agent for Agarose/Talc Composite Films. Materials. 2013; 6(2):682-698. https://doi.org/10.3390/ma6020682
Chicago/Turabian StyleShamsuri, Ahmad Adlie, and Rusli Daik. 2013. "Utilization of an Ionic Liquid/Urea Mixture as a Physical Coupling Agent for Agarose/Talc Composite Films" Materials 6, no. 2: 682-698. https://doi.org/10.3390/ma6020682