| Preparation and Performance of BR/SBR Foaming Materials |
| Received:July 26, 2018 Revised:July 26, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.04.0275 |
| Key Words: BR；SBR；foaming material；curing process；dynamic and static stiffness ratio；shock absorption property |
| Author Name | Affiliation | E-mail | | SHI Chengwang | Beijing University of Chemical Technology | 936912370@qq.com | | SUN Shuquan | Beijing University of Chemical Technology；Beijing Beihua Xinxiang Special Material Technology Co.Ltd | | | ZHANG Jiyang | Beijing Beihua Xinxiang Special Material Technology Co.Ltd | | | ZOU Hua* | Beijing University of Chemical Technology | zouhuabj@qq.com |
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| Abstract: |
| The effects of the amount of sulfur and foaming agent OBSH-75，and the pre-curing process on the properties of butadiene rubber（BR）/styrene-butadiene rubber（SBR） foaming materials were investigated. The results showed that the cell diameter of the foaming materials with 2 phr sulfur and 3 phr foaming agent was smaller，the cell was uniform with closed structure，the dynamic and static stiffness ratio was smaller，and the physical properties and shock absorption property were better. When the pre-curing temperature and pre-curing time were 125 ℃ and 14 min，respectively，the cell density of the foaming materials was moderate，the dynamic and static stiffness ratio was small，and the shock absorption property was good. |
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