| Study on Properties of CIIR/NR Blend |
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| DOI： |
| Key Words: CIIR；NR；blend；curing system；heat-oxygen age stability |
| Author Name | Affiliation | | Meng Xian-de | Qingdao Institute of Chemical Technology | | Zuo Xiao-qing | Qingdao Institute of Chemical Technology | | Li Xin | Qingdao Institute of Chemical Technology | | Wang Yi | Qingdao Institute of Chemical Technology | | Ji Kui-jiang | Qingdao Institute of Chemical Technology | | Ma Pei-yu | Marine Printing Institute |
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| Abstract: |
| The influence of the blend ratio and the curing system on the properties of CIIR/NR blend was studied and the influence of the temperature during ageing and the antioxidant on the heat-oxygen age stability of CIIR/NR blend cured with ZnO/TMTD/MBTS was discussed.The test results showed that not much difference between the measured tensile strength and elongation at break and the calculated ones based on the blend ratio was found for the CIIR/NR blend cured with ZnO/TMTD/MBTS（5.0/1.5/1.0）.When the content of CIIR exceeded 50 phr，the heat-oxygen age stability of the blend would be significantly improved.The order of the heat-oxygen age stability provided by various antioxidants to the CIIR/NR（50/50） blend was as follows： RD>4010NA>MB>D.The protective efficiency would be better when RD was added into NR before NR was blended with CIIR. |
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