| Study on Environment-Friendly Curing Systems of EPDM |
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| DOI： |
| Key Words: EPDM；environment-friendly curing system；blooming；heat aging resistance |
| Author Name | Affiliation | | LI Jing | SINOPEC Beijing Research Institute of Chemical Industry Yanshan Branch |
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| Abstract: |
| The curing behavior，blooming，nitrite content，physical properties and heat aging property of EPDM compound with different curing systems were investigated experimentally.The results showed that，EPDM vulcanizates with new environment-friendly curing system showed no blooming and didn’t produce nitrite compounds.By using the curing system of active nano zinc oxide/accelerator ZDBP/accelerator M/pre-dispersed sulfur S-80 blend（the blending ratio was 5/8/0.5/1.5），the scorch time of EPDM compound was appropriate，and the curing rate was the fastest，the tensile strength and elongation at break of the vulcanizates were the highest，and the heat aging property was better. |
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