| Improvement of Peroxide-crosslinked EPDM Properties with TMPTA |
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| DOI： |
| Key Words: EPDM；silica；DCP；TMPTA |
| Author Name | Affiliation | | Tan Xiang | South China University of Technology | | Wang Dizhen | South China University of Technology | | He Shan | South China University of Technology |
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| Abstract: |
| The improvement of peroxide-crosslinked EPDM properties with trimethylolpropane triacrylate(TMPTA) was studied.It was found that the crosslinking rate and crosslinking density increased and the curing cycle time reduced with the addition of TMPTA in the peroxide crosslinking system for EPDM/silica compound；the maximum tensile strength retension and elongation ultimate retension of EPDM vulcanizate after aging were obtained by adding 0.5 phr of TMPTA；the curing cycle time of EPDM compound with the addition of TMPTA(0.5 phr)in DCP(2.0 phr)reduced by 40% when compared to that with no TMPTA in DCP(3.0 phr)，and the modulus，tensile strength and tear strength of the former vulcanizate improved remarkably. |
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