Table 5.
Characterization of TPE-based antimicrobial compounds.
| Standard | Control | Sample 1 | Sample 2 | Sample 3 | Sample 4 | Sample 5 | Sample 6 | |
|---|---|---|---|---|---|---|---|---|
| Density (gr/cm3) | ISO 1183 1-A | 0.89 (0.001) | 0.92 (0.002) | 0.94 (0.001) | 0.95 (0.001) | 0.96 (0.001) | 0.95 (0.002) | 0.98 (0.001) |
| Melt Flow Index (gr/10min) (190C, 5 kg) |
ISO 1133 | 64.8 (2.1) | 63.5 (1.9) | 58 (2.3) | 59.2 (2.0) | 55.6 (2.5) | 52.2 (2.8) | 43.3 (2.1) |
| Hardness - 6 mm plaka (SHORE A) | ISO 7619–1 (15 s) | 59 (0.4) | 61 (0.3) | 62 (0.4) | 64 (0.5) | 64 (0.3) | 62 (0.3) | 65 (0.3) |
| 100% Modulus (MPa) | ISO 37, DIN 53504 | 1.6 (0.01) | 1.7 (0.03) | 1.7 (0.01) | 1.8 (0.04) | 1.7 (0.07) | 1.8 (0.05) | 1.9 (0.01) |
| 300% Modulus (MPa) | ISO 37, DIN 53504 | 2.6 (0.01) | 2.8 (0.05) | 2.7 (0.08) | 2.8 (0.02) | 2.7 (0.05) | 2.8 (0.06) | 2.9 (0.02) |
| Tensile Strength at Break (MPa) | ISO 37 | 9.6 (0.013) | 8.3 (0.014) | 7.6 (0.011) | 7.0 (0.017) | 7.5 (0.015) | 8.1 (0.019) | 7.4 (0.011) |
| Elongation at Break (%) | ISO 37, DIN 53504 | 775 (10.3) | 720 (10.2) | 702 (8.2) | 684 (10.2) | 724 (9.3) | 731 (10.2) | 691 (10.3) |
| Tear Strength (Perpendicular to flow) (N/mm) | ISO 34-1 | 34.8 (0.01) | 30.8 (0.02) | 33.7 (0.01) | 33.7 (0.02) | 32 (0.03) | 33.7 (0.01) | 33.1 (0.02) |
| DSC – Tg (°C) | ISO 11357-2 | −56.07 (0.2) | −55.9 (0.1) | −54.91 (0.2) | −57.62 (0.1) | −55.09 (0.3) | −60.06 (0.2) | −55.93 (0.2) |
| DSC – Tm (°C) | ISO 11357-3 | 155.24 (0.3) | 154.72 (0.2) | 154.92 (0.2) | 154.07 (0.1) | 153.94 (0.2) | 154.55 (0.3) | 154.23 (0.2) |
| DSC – Tc (°C) | ISO 11357-3 | 103.5 (0.1) | 107.91 (0.2) | 107.16 (0.1) | 107.67 (0.1) | 106.64 (0.2) | 106.53 (0.2) | 108.17 (0.2) |
Parentheses indicate standard deviation.