| Effect of Phase Structure of NR/EPDM on Properties of the Blend |
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| DOI： |
| Key Words: NR；EPDM；co-vulcanization；viscosity ratio；phase；aging resistance |
| Author Name | Affiliation | | DONG Yingchao | Beijing University of Chemical Technology | | BAO Zhifang | Boton Science and Technology Co.，Ltd | | AN Qi | Chifeng Special Equipment Inspection | | WU Jianguo | Boton Science and Technology Co.，Ltd | | ZHANG Liqun | Beijing University of Chemical Technology |
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| Abstract: |
| The effects of blend ratio and viscosity ratio of NR/EPDM on the physical property，aging resistance and phase structure of the blend were investigated.The results showed that，the co-vulcanization of NR/EPDM blend could be improved by adjusting the curing characteristics of EPDM and NR.When the viscosity ratio of NR/EPDM blend was unchanged，with the addition level of NR increasing，NR formed the continuous phase and the aging resistance of the blend was reduced.When the blend ratio of NR/EPDM was unchanged，with the viscosity of EPDM decreasing，EPDM formed the continuous phase and the aging resistance of the blend was improved. |
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