| 并用比对EPDM/IIR内胎胶性能的影响 |
| Effect of blending ratio on properties of EPDM/IIR inner tube |
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| DOI： |
| 中文关键词: IIR EPDM 内胎 热老化性能 气密性能 |
| 英文关键词: IIR EPDM inner tube heat aging property air tightness |
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| 中文摘要: |
| 研究不同并用比对国产EPDM/IIR并用胶加工性能、物理性能、热老化性能和气密性能的影响，并与进口EPDM/IIR并用胶进行对比试验。结果表明，在IIR中添加EPDM可以改善胶料的混炼和挤出特性，对物理性能和热老化性能影响不大，气密性能略有下降；EPDM/IIR并用比为40/60时并用胶的渗透系数为2.51×10 -17m2·(Pa·s)-1；国产EPDM与进口EPDM的性能差别很小，完全可以替代进口EPDM应用于内胎生产。 |
| 英文摘要: |
| The effect of the blending ratio on the processibility，physical properties，aging properties and air tightness of domestics EPDM/IIR was investigated and compared to that of imported EPDM/IIR.The results showed that the mixing and extruding behavior of IIR compound improved by adding EPDM，the physical properties and aging properties changed little，and the air tightness decreased；the permeability coefficient was 2.51×10-17m2·(Pa·s)-1 when the blending ratio of EPDM/IIR was 40/60；and the domestic EPDM was similar to the imported EPDM in terms of both processibility and physical properties and could be used instead of the latter in inner tube production. |
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