| Effects of Foaming Process and Amount of Foaming Agent on Damping and Sound Absorption Performances of Butyl Rubber Foam |
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| DOI： |
| Key Words: butyl rubber；foaming process；amount of foaming agent；damping property；sound absorption performance |
| Author Name | Affiliation | | OUYANG Wenyi | Wuhan Institute of Technology | | LIU Song | Wuhan Institute of Technology | | YAO Chu | Wuhan Institute of Technology | | CAO Guoguo | Wuhan Institute of Technology | | YOU Feng | Wuhan Institute of Technology | | JIANG Xueliang | Wuhan Institute of Technology |
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| Abstract: |
| Effects of vulcanizing time，vulcanizing temperature and amount of foaming agent AC on the damping and sound absorption performances of butyl rubber foam were investigated. The results showed that，the damping property of the foam cured at 165 ℃×30 min was the best and the sound absorption performance of the foam cured at 160 ℃×50 min was the best. With the addition of foaming agent AC，the damping and sound absorption performances of the foam were improved significantly. When the addition amount of foaming agent AC was small，the damping performance of the foam was good. When it was 6 phr，the sound absorption performance of the foam was good. |
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