| Development of peroxide-vulcanized EPDM foam |
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| DOI： |
| Key Words: EPDM；foam；peroxide；MVQ；formulation |
| Author Name | Affiliation | | LEI Wei-hua | Chinese Research Institute of Engineering physics | | ZHAO Qi | Chinese Research Institute of Engineering physics |
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| Abstract: |
| The formulation and processing technology of peroxide-vulcanized EPDM foam were investigated.The optimized formula of EPDM foam was as follows：EPDM or EPDM/MVQ（90/10） 100；2# fume silica 50；30# engine oil 10；glycol 3；DCP 2～3；zinc oxide 8；blowing agent AC 8；conditioning agent A 1；conditioning agent B 0.5.EPDM was plasticated at（23±5） ℃ and the compound was mixed at 60～70 ℃.The milled sheet featured uniform，dense，smooth and free of air bubble and foreign impurity.The vulcanizing conditions were as follows：for first stage，170 ℃×（9～10）min；for second stage，170 ℃×10 min.The optimized formula gave EPDM foam better physical properties. |
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