| Study on relationship between aging and dynamic properties of NR compound with different curing systems |
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| DOI： |
| Key Words: NR；curing system；crosslink density；aging time；dynamic property |
| Author Name | Affiliation | | LI Hong-lan | Shenyang University of Chemical Technology | | FANG Qing-hong | Shenyang University of Chemical Technology | | WANG Na | Shenyang University of Chemical Technology | | ZHANG Xiu-bin | Shenyang University of Chemical Technology | | WANG Zhong | Shenyang University of Chemical Technology |
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| Abstract: |
| The influence of aging time on the crosslink density and dynamic properties of NR compound with different curing systems was experimentally investigated.The results showed that，the orders oft10，t90 and MH of NR compound with different curing systems were as follows:conventional vulcanization(CV) system＞semi efficient vulcanization(SEV) system＞efficient vulcanization(EV) system.As the aging time extended，the crosslink density of NR compound generally increased；tanδ of vulcanizate in rubbery plateau zone tended to decrease；and the storage modulus(E') of NR compound with CV system increased，but E' of NR compound with SEV and EV systems increased at first and then decreased. |
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