| Application of accelerator systems EG-3 and VP-148 in EPDM compounds |
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| DOI： |
| Key Words: EPDM；accelerator；cross-linking density；compression set；blooming |
| Author Name | Affiliation | | CHEN Zhao-hui | South China University of Technology | | WANG Di-zhen | South China University of Technology | | SUN Xian-ping | Guangzhou Jinchangsheng Science and Technology Co.，Ltd |
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| Abstract: |
| The effects of the addition levels of accelerator systems EG-3 or VP-148 on the properties and blooming of EPDM compound were experimentally investigated and compared to the common accelerator blend systems，such as M/TMTD，DM/TMTD/BZ and M/TRA/BZ.The results showed that t10 and t90 of EPDM compounds reduced gradually with the increase of EG-3 or VP-148 addition levels，the appearance cross-linking density，hardness and modulus at 100% of their vulcanizates increased，the compression set decreased，and the blooming didn’t occur when the vulcanizates stored at room temperature for 30 d.The Vr and compression set of vulcanizates with more than 2 phr EG-3 or VP-148 were similar to those with common accelerator systems. |
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