| Effect of mixing procedure on structure and properties of superfine fully-vulcanized powdered SBR/EPDM blend |
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| DOI： |
| Key Words: superfine fully-vulcanized powdered SBR；EPDM；blend；phase structure |
| Author Name | Affiliation | | TANG Yuan-wang | Beijing University of Chemical Technology | | TIAN Ming | Beijing University of Chemical Technology | | LU Yong-lai | Beijing University of Chemical Technology | | ZHANG Li-qun | Beijing University of Chemical Technology |
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| Abstract: |
| The effect of mixing procedures，including open mill and inner mixer，on the structure and properties of superfine fully-vulcanized powdered SBR(UFPSBR)/EPDM blend was investigated.The results showed that UFPSBR affected the vulcanization of EPDM by decreasing the curing degree by using open mill，but accelerated the vulcanization and increased the curing degree of EPDM by using inner mixer mixing procedure.With inner mixer，the size of UFPSBR dispersion phase was smaller and the interface was better，compared to open mill.With increase of UFPSBR addition level，the tensile strength and tear strength increased rapidly at first， then decreased on the whole.And the tensile strength and tear strength decreased more by using inner mixer mixing procedure. |
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