| Effect of blending ratio on properties of EPDM/IIR inner tube |
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| DOI： |
| Key Words: IIR；EPDM；inner tube；heat aging property；air tightness |
| Author Name | Affiliation | | REN Yu-zhu | Beijing University of Chemical Technology | | WU You-ping | Beijing University of Chemical Technology | | TIAN Ming | Beijing University of Chemical Technology | | ZHANG Li-qun | Beijing University of Chemical Technology | | SUI Jun | Jilin Chemical Industry Co.Ltd. | | ZHANG Tao | Jilin Chemical Industry Co.Ltd. |
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| Abstract: |
| The effect of the blending ratio on the processibility，physical properties，aging properties and air tightness of domestics EPDM/IIR was investigated and compared to that of imported EPDM/IIR.The results showed that the mixing and extruding behavior of IIR compound improved by adding EPDM，the physical properties and aging properties changed little，and the air tightness decreased；the permeability coefficient was 2.51×10-17m2·(Pa·s)-1 when the blending ratio of EPDM/IIR was 40/60；and the domestic EPDM was similar to the imported EPDM in terms of both processibility and physical properties and could be used instead of the latter in inner tube production. |
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