| Mechanism Research of Multipule Accelerators Blended on Sulfur Curing Systems of EPDM |
| Received:June 20, 2017 Revised:June 20, 2017 |
| DOI： |
| Key Words: blended accelerators；sulfur；EPDM；fast curing；mechanism |
| Author Name | Affiliation | E-mail | | wang fan* | 湖北航天化学技术研究所 | wkfdfcc@163.com | | lijie | 湖北航天化学技术研究所 | | | Ding ning | 湖北航天化学技术研究所 | | | zhao zhi-xiang | 湖北航天化学技术研究所 | | | Yan wei-qing | 湖北航天化学技术研究所 | |
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| Abstract: |
| The action mechanism of blended accelerator EZ/PPD/CZ/TETD in sulfur curing system for EPDM was analyzed.The results showed that the amine cracking from the blended accelerator systems during the curing process could activate the accelerator and rubber molecule chain，and make the vulcanization reaction easier；the reverse reaction of the curing system took place in the later stage of vulcanization，and had no retardant effect on the induction and curing stages，which was one of the reasons for promoting the curing speed. |
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