| Comparative Study on Properties of IIR Filled with Silica and Diatomite |
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| DOI： |
| Key Words: IIR；silica；diatomite；processability；physical property；dynamic mechanical property |
| Author Name | Affiliation | | XU Xiong | Wuhan Institute of Technology | | LIU Song | Wuhan Institute of Technology | | LI Chenjian | Wuhan Institute of Technology | | JIANG Xueliang | Wuhan Institute of Technology |
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| Abstract: |
| The effects of silica and diatomite on the processability，physical properties and dynamic mechanical property of IIR were investigated.The results showed that，compared with diatomite，as the processing time extended，the processability of IIR compound filled with silica was better，the Shore A hardness and tensile strength of the vulcanizate were higher，and the elongation at break was lower.The storage modulus（E′） of IIR vulcanizate filled with silica at low temperature was higher，while the E′ of IIR vulcanizate filled with silica and diatomite at high temperature was similar.When the frequency range was 0.1～200 Hz，for the silica filled IIR vulcanizate，the loss factor was higher，and the E′at low frequency（＜150 Hz） was lower，while the E′at high frequency（≥150 Hz） was higher. |
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