| 改性胶粉/丁苯共混胶料的流变形态性能研究 |
| Study on Morphology and Rheology of Modified Ground Rubber/SBR Mixture |
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| DOI： |
| 中文关键词: 废胶粉 SBR 共混胶料 改性 形态 流变性能 |
| 英文关键词: ground rubber SBR rubber mixture modification morphology rheology |
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| 中文摘要: |
| 研究了改性胶粉/丁苯橡胶(SBR)炭黑共混胶料的力学、形态及流变性能，结果表明: 胶粉改性后，可提高掺用胶粉胶料的拉伸强度，降低压缩疲劳温升: 随着剪切速率γw的增大，胶粉用量对胶料表观粘度ηa的影响减小；加人胶粉减小了挤出口型膨胀率。通过分析胶料破坏断面的扫描电镜照片，可推测胶粉改性后与基质胶的界面结合较好。 |
| 英文摘要: |
| The mechanics，morphology and rheology of modified ground rubber/SBR mixture were studied，The results showed that the modification of the ground rubber，resulted in the increase of tensile strength of ground rubber /SBR mixture and the decrease of its compression fatigue temperature rise；the influence of the ground rubber level on the apparent viscosity ηa decreased with the increase of the shear rate γw ;and the addition of the ground rubber led to the de-crease of the extrusion die swell，It could be predicted from SEM analysis to the broken cross-section of the mixture that the bonding at the interface between the ground rubber and rubber ma-trix improved. |
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