| Effective factors on heat aging properties of IIR vulcanizate |
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| DOI： |
| Key Words: IIR；resin；curing system；physical property；heat aging property |
| Author Name | Affiliation | | GUO Jian-hua | South China University of Technology | | LUO Quan-kun | South China University of Technology |
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| Abstract: |
| The effect of different curing systems and other ingredients on the heat aging properties of IIR vulcanizate was investigated.The test results showed that the physical property retention of IIR cured with resin after 160 ℃×24 h heat aging was superior to those cured with sulfur or sulfur donor；the optimum heat aging properties of IIRvulcanizate were obtained when 5～10 phr of resin，5～9 phr of SnCl2 and 5 phr of ZnO were used；and the heat aging properties were further improved by adding ISAF/GPF and ricinus oil. |
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