| Effect of Coupling Agent on Structure and Properties of Reclaimed Rubber |
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| DOI： |
| Key Words: reclaimed rubber；waste tire rubber powder；silane coupling agent；titanate coupling agent |
| Author Name | Affiliation | | LIU Juan | Qingdao University of Science and Technology | | SHEN Mei | Qingdao University of Science and Technology | | XIN Zhenxiang | Qingdao University of Science and Technology |
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| Abstract: |
| The effect of silane coupling agent Si69 and titanate coupling agent 201 on the structure and properties of reclaimed rubber from waste tire rubber powder was investigated.The results showed that，as the addition level of silane coupling agent Si69 increased，the crosslinking density of reclaimed rubber increased，the Mooney viscosity tended to decrease，the tensile strength changed little，and the elongation at break increased at first and then decreased.As the addition level of titanate coupling agent 201 increased，the crosslinking density of reclaimed rubber changed little，the Mooney viscosity decreased，the tensile strength increased at first and then decreased，and the elongation at break increased.When the conditions of regeneration and the addition level of coupling agents were the same，the comprehensive physical properties of reclaimed rubber with silane coupling agent Si69 were better，the tensile broken surface was smooth and had less micron particles and holes. |
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