| 动态硫化EPDM/PP共混型热塑性弹性体的研究 |
| Study on Dynamically Cured EPDM/PP TPE |
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| DOI： |
| 中文关键词: EPDM PP 热塑性弹性体 动态硫化 |
| 英文关键词: EPDM PP TPE dynamic vulcanization |
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| 中文摘要: |
| 研究了EPDM/PP共混比、不同牌号PP、硫化体系、混炼方式和软化剂用量对动态硫化EPDM/PP共混物性能的影响。研究结果表明，当EPDM/PP共混比为65/35，经一步混炼法制出的共混物的拉伸强度大于8 MPa，扯断伸长率达400%，撕裂强度为40 kN·m-1，屈挠寿命大于10万次，邵尔A型硬度为70～80度。软化剂用量在30份以内为宜。 |
| 英文摘要: |
| The influence of blending ratio，PP type，curing system，mixing method and softener level on the properties of EPDM/PP TPE was investigated.The results showed that the tensile strength was greater than 8 MPa，the elongation at break was 400%，the tear strength was 40 kN·m-1，the flex fatigue life was more than 100 kc and the hardness (Shore A)was 70～80 when the EPDM/PP was blended with the ratio of 65/35 and prepared with the one step mixing method；30 phr of softener was suitable. |
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