Research Article
Design and Preparation of Cross-Linked Polystyrene Nanoparticles for Elastomer Reinforcement
Table 4
Mechanical properties of the cross-linked PS-filled SBR composites with varied loadings.
| Samples | Stress at 300% Elongation/MPa | Tensile Strength/MPa | Elongation at break/% | Permanent Set/% | Shore A Hardness/ | Tear Strength/KN/m |
| Neat SBR | 1.4 | 1.5 | 327 | 0 | 46 | 7 | PS(10)/SBR | 1.9 | 10.7 | 581 | 10 | 58 | 16 | PS(20)/SBR | 2.2 | 14.5 | 623 | 16 | 65 | 22 | PS(30)/SBR | 2.3 | 17.6 | 652 | 18 | 72 | 28 | PS(40)/SBR | 2.4 | 18.0 | 649 | 24 | 77 | 31 | PS(50)/SBR | 2.6 | 17.7 | 644 | 26 | 82 | 36 |
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Note that All samples were cured with 4 phr benzyl peroxide (BPO) at for 120 minutes.
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