Table 2.
Chemical composition of the experimental samples of acrylic bone cements.
| Sample 1 | Sample 2 | Sample 3 | ||
|---|---|---|---|---|
| Liquid component | 14.4 g | 16.4 g | 18.79 g | |
| Methyl methacrylate | Monomer | 12.28 | 13.99 | 18.33 |
| Butyl methacrylate | Monomer | 1.90 | 2.16 | - |
| N, N-dimethyl-p-toluidine | Activator | 0.22 | 0.25 | 0.46 |
| Hydroquinone * | Inhibitor | 20 ppm | 20 ppm | 60 ppm |
| Powder component | 40 g | 40 g | 41 g | |
| Polymethyl methacrylate | Pre-polymerized polymer | 33.68 | 33.52 | 6.00 |
| Benzoyl peroxide | Initiator | 0.96 | 1.12 | 0.50 |
| Methyl methacrylate—styrene copolymer | Pre-polymerized copolymer | - | - | 30.00 |
| Barium sulphate | Radiopaque agent | 3.84 | 3.84 | 4 |
| Gentamicin sulfate | Antibiotic | 1.52 | 1.52 | - |
| Erythromycin | Antibiotic | - | - | 0.50 |
| Colistin Sulphomethate Sodium EP | Antibiotic | - | - | 3.00 million I.U. |
| Viscosity | standard | low | low |
* Hydroquinone was added in relation to the liquid component.