Table 10 Cure characteristics and hardness of the samples.
From: Devulcanization of ground tire rubber: microwave and thermomechanical approaches
Sample | t90 (min) | ts2/t10 (min) | Sʹmin (dNm) | Sʹmax (dNm) | Shore A hardness (–) |
|---|---|---|---|---|---|
NR_REF | 4.2 | 1.7 | 2.2 | 23.2 | 57.3 ± 0.7 |
NR_REF_WO | 4.2 | 1.7 | 2.0 | 28.3 | 58.8 ± 0.9 |
NR_REF_WO_dGTR_MW | 3.5 | 1.5 | 1.9 | 21.3 | 55.1 ± 0.6 |
NR_dGTR_MW_50 | 3.2 | 1.1 | 2.7 | 13.1 | 51.4 ± 0.3 |
NR_dGTR_MW_100 | 3.0 | 1.1 | 3.0 | 9.7 | 47.9 ± 0.5 |
NR_dGTR_MW_185 | 3.2 | 0.8 | 2.7 | 7.0 | 46.0 ± 0.7 |
NR_dGTR_TM_40/160_100 | 3.0 | 1.2 | 2.8 | 11.5 | 49.5 ± 0.7 |
NR_dGTR_TM_40/200_100 | 2.8 | 1.2 | 1.9 | 10.7 | 47.2 ± 0.4 |
NR_dGTR_TM_120/200_100 | 2.7 | 1.1 | 1.6 | 8.3 | 44.3 ± 0.5 |
NR_GTR_100 | 2.9 | 1.1 | 5.8 | 15.3 | 52.9 ± 0.4 |
NR_dGTR_MW_100_0.5A | 2.6 | 1.1 | 2.2 | 13.3 | 48.9 ± 0.3 |
NR_dGTR_MW_100_A | 2.6 | 1.1 | 1.8 | 15.6 | 51.8 ± 0.8 |
NR_dGTR_MW_50_0.5B | 2.7 | 1.1 | 1.5 | 15.0 | 45.4 ± 1.2 |
NR_dGTR_MW_50_B | 3.0 | 1.1 | 1.3 | 18.6 | 48.2 ± 1.0 |
NR_dGTR_MW_100_0.5B | 2.4 | 1.0 | 1.3 | 11.7 | 47.3 ± 0.5 |
NR_dGTR _MW_100_B | 2.6 | 1.0 | 1.3 | 15.3 | 47.4 ± 1.2 |
NR_dGTR_TM_40/160_100_A | 3.1 | 1.2 | 1.6 | 17.4 | 51.6 ± 0.6 |
NR_dGTR_TM_40/200_100_A | 2.9 | 1.1 | 1.2 | 16.7 | 51.1 ± 0.7 |
NR_dGTR_TM_120/200_100_A | 2.9 | 1.1 | 1.0 | 15.9 | 50.3 ± 0.5 |
NR_dGTR_MW_100g_2 | – | – | – | – | – |
NR_dGTR_MW_100g_2_0.5A | 2.0 | 0.6 | 2.2 | 5.5 | 47.3 ± 1.1 |
NR_dGTR_MW_100g_2_A | 1.9 | 0.7 | 3.7 | 16.0 | 53.7 ± 0.9 |
