| Properties of NR/modified fumed silica composite |
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| DOI： |
| Key Words: NR；modified fumed silica；adhesive；coupling agent；crosslink density |
| Author Name | Affiliation | | ZHOU Yang-bo | South China University of Technology | | JIA Zhi-xin | South China University of Technology | | JIA De-min | South China University of Technology | | GU Ju | South China University of Technology | | WANG Yue-lin | Guangzhou Jibishi Scientific and Technical Industry Co.Ltd | | DUAN Xian-jian | Guangzhou Jibishi Scientific and Technical Industry Co.Ltd |
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| Abstract: |
| The effect of the additional level of adhesive RH on the properties of NR/modified fumed silica compounds was investigated and these properties were compared to those of NR/Si69/silica compound.The results showed that the physical properties of vulcanizate improved significantly by adding adhesive RH，e.g. the tensile strength increased by above 10%；the vulcanizate with the best comprehensive physical properties was obtained by adding 4 phr adhesive RH；the fumed silica modified by the organic modifier M2 participated the covulcanization with NR to increase the crosslink density of vulcanizate；and the coupling agent Si69 was poorer than the adhesive RH for improving the physical properties of vulcanizate. |
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