| 改性煅烧高岭土对EPDM性能的影响 |
| Influence of modified calcinated kaolin on properties of EPDM |
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| DOI： |
| 中文关键词: EPDM 煅烧高岭土 硅烷偶联剂 表面改性 |
| 英文关键词: EPDM calcinated kaolin silane coupling agent surface modification |
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| 中文摘要: |
| 采用硅烷偶联剂对煅烧高岭土进行表面改性，研究硅烷偶联剂品种和用量对煅烧高岭土填充EPDM胶料性能的影响。结果表明，硅烷偶联剂对煅烧高岭土填充EPDM胶料的焦烧时间和正硫化时间影响不大；偶联剂A-172的改性作用较为明显，可显著提高EPDM硫化胶的撕裂强度；偶联剂A-172用量过大，对EPDM硫化胶耐溶剂性能不利。 |
| 英文摘要: |
| The surface of calcinated kaolin was modified by different silane coupling agents，and the influence of the type and addition level on the properties of calcinated kaolin-filled EPDM compound was investigated.The results showed that the silane coupling agent had little effect on the scorch time and optimum curing time of calcinated kaolin-filled EPDM compound；the coupling agent A-172 had a more significant modifying effect and gave EPDM vulcanizate much higher tear strength；and the extra coupling agent A-172 would result in worse solvent resistance of EPDM vulcanizate. |
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