| 耐高温耐老化龟裂氟橡胶/三元乙丙橡胶并用胶的制备与性能研究 |
| Preparation and Properties of FKM/EPDM Blend with High-temperature Resistance and Long Term Cracking Resistance |
| |
| DOI： |
| 中文关键词: 氟橡胶 三元乙丙橡胶 并用胶 耐高温性能 耐老化龟裂性能 |
| 英文关键词: FKM EPDM blend high-temperature resistance long term cracking resistance |
| 基金项目: |
|
| 摘要点击次数: 808 |
| 全文下载次数: 313 |
| 中文摘要: |
| 研究硫化体系、氟橡胶（FKM）/三元乙丙橡胶（EPDM）并用比、相容剂马来酸酐接枝三元乙丙橡胶（MA-g-EPDM）对FKM/EPDM并用胶物理性能以及耐高温和耐老化龟裂性能的影响。结果表明：随着硫化剂DCP用量的增大，FKM/EPDM并用胶的邵尔A型硬度和拉伸强度提高，拉断伸长率降低；随着FKM/EPDM并用比的增大，FKM/EPDM并用胶的拉伸强度和拉断伸长率均降低，但耐老化龟裂性能提高；FKM/EPDM并用比为30/70、硫化剂DCP用量为3份时，FKM/EPDM并用胶具有较好的综合性能；添加相容剂MA-g-EPDM不能提高FKM/EPDM并用胶的物理性能。 |
| 英文摘要: |
| The effects of curing system，FKM/EPDM ratio and compatibilizer maleic anhydride grafted EPDM（MA-g-EPDM）on the physical properties，high-temperature resistance and long term cracking resistance of FKM/EPDM blend were investigated. The results showed that，when the addition level of curing agent DCP increased，the Shore A hardness and tensile strength of FKM/EPDM blend increased，but the elongation at break decreased. When the ratio of FKM/EPDM increased，the tensile strength and elongation at break of FKM/EPDM blend decreased，but the cracking resistance under aging was improved.When the addition level of curing agent DCP was 3 phr，and ratio of FKM/EPDM was 30/70，the FKM/EPDM blend had good properties. There was no effect on the improvement of physical properties of FKM/EPDM when MA-g-EPDM was used. |
|
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
