| 生胶体系对胎侧支撑胶耐屈挠性能的影响 |
| Effect of Raw Rubber System on Flexing Resistance of Sidewall Support Rubber |
| 投稿时间：2018-12-17 修订日期：2018-12-17 |
| DOI：10.12136/j.issn.1000-890X.2019.12.0917 |
| 中文关键词: 天然橡胶 顺丁橡胶 并用胶 胎侧支撑胶 耐屈挠性能 |
| 英文关键词: NR BR blend sidewall support rubber flexing resistance |
| 基金项目:山东省自然科学基金资助项目（ZR2019BEE056） |
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| 中文摘要: |
| 天然橡胶（NR）和顺丁橡胶（BR）并用用于胎侧支撑胶中，研究生胶体系对胎侧支撑胶耐屈挠性能的影响。结果表明：随着NR/BR并用胶中NR用量的增大，胶料的炭黑分散性变差，拉伸强度和拉断伸长率呈增大趋势，弹性降低，压缩疲劳温升增大；增大并用胶中BR的用量可以提高胶料的耐屈挠性能。 |
| 英文摘要: |
| Sidewall support compound was produced by using the blend of natural rubber（NR） and
butadiene rubber（BR），and the effect of the blending ratio on the flexing resistance of sidewall support rubber
was studied. The results showed that with the increase of the addition level of NR in the NR/BR blend，
the carbon black dispersion was deteriorated，the tensile strength and elongation at break of the compound
increased，the elasticity decreased，and the compression fatigue temperature-rise increased. In contrast，the
flexing resistance of the compound could be improved by increasing the addition level of BR in the blend. |
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