| Study on SBR/PP blend prepared with dynamic vulcanization |
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| DOI： |
| Key Words: SBR；PP；blend；dynamic vulcanization |
| Author Name | Affiliation | | GUO Hong-ge | Qingdao Institute of Chemical Technology | | SHAO Chang-hong | Qingdao Institute of Chemical Technology | | GU Qin-cui | Qingdao Institute of Chemical Technology | | FU Zheng | Qingdao Institute of Chemical Technology | | PAN Jiong-xi | Qingdao Institute of Chemical Technology |
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| Abstract: |
| The SBR/PP blend was prepared with the dynamic vulcanization on a two-roll mill.The influence of different curing systems，blending ratios，mixing cycle times，carbon black levels，naphthenic oil levels，and fluid agent levels on the physical properties of blend was investigated.The results showed that the better physical properties of blend were obtained by using PP with low cry stallinity and melt index , semi-efficient curing system , 70/30～60/40 SBR/PP blending ratio and mix ing cycle for 9 min .It was found through orthogonal experimental design that the tensile strength and hardness of blend increased，and the elongation at break decreased as the level of carbon black increased；and the naphthenic oil and fluid agent showed an adverse effect trend on the physical properties when compared with carbon black. |
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