文章摘要
Development of peroxide-vulcanized EPDM foam
  
DOI:
Key Words: EPDM;foam;peroxide;MVQ;formulation
Author NameAffiliation
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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