| Study on Properties of NR Vulcanizate Cured with Equilibrium Curing System |
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| DOI： |
| Key Words: NR；curing system；equilibrium curing |
| Author Name | Affiliation | | Meng Xian-de | Qingdao Institure of Chemical Technology | | Wang Ming-dong | Qingdao Institure of Chemical Technology | | Ji Kui-jiang | Qingdao Institure of Chemical Technology | | Ma Pei-yu | Marine Paint Institute |
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| Abstract: |
| The properties of NR vulcanizate cured with EC system were studied and compared with those cured with SEV system or CV system.The results showed that the reversion of EC system was a little higher than that of SEV system，but remarkable lower than that of CV system，and the reversion rates of their vulcanizates（cure：143℃×6h）were 7.7%，0.4% and 34.0% respectively；the NR vulcanizate cured with EC system was better than those cured with SEV or CV system in terms of tensile strength，tear strength，300% modulus，heat buila-up，abrasion and flex resistance.The heat ageing property of EC vulcanizate was better than that of SEV vulcanizate，and much bcrter than that of CV vulcanizate. |
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