| Effect of Silica Modifier on Properties of SSBR |
| Received:August 08, 2017 Revised:August 08, 2017 |
| DOI：10.12136/j.issn.1000-890X.2019.01.0027 |
| Key Words: SSBR；coupling agent；active agent；silica；modification；physical property；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | SHAO Guangpu | Qingdao University of Science and Technology | | | DING Naixiu* | Qingdao University of Science and Technology | nxding1717@163.com | | PENG Qianqian | Qingdao University of Science and Technology | | | LIU Tianmeng | Qingdao University of Science and Technology | | | LIU Guangye | Qingdao University of Science and Technology | |
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| Abstract: |
| Coupling agent Si69 and KH550 and active agent PEG4000 and DPG were used as silica modifiers and their effects on the properties of silica filled SSBR were studied. The results showed that the type and dosage of modifier had great effect on the properties of the vulcanizates，and the optimum dosage of Si69，KH550，PEG4000 and DPG were 4，8，4，6 phr，respectively. Using modifier with the optimum dosage， compared with the compound filled with unmodified silica，the compound with modified silica possessed better processing safety and faster vulcanization rate，and the physical properties，wear resistance and wetskid resistance were improved. For the four kinds of modifiers，the silica modified by Si69 and KH550 had a better dispersion. The compound filled with Si69 and KH550 modified silica had better physical properties，higher wear resistance and wet-skid resistance and lower rolling resistance. |
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