| Effect of ENR and Coupling Agent Si69 on Adhesion Property between Aramid Fiber and NR |
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| DOI： |
| Key Words: ENR；coupling agent；NR；aramid fiber；silica；adhesion property |
| Author Name | Affiliation | | YU Xiao-bo | Beijing University of Chemical Technology | | DONG Bin | Beijing University of Chemical Technology | | LIU Chang | Beijing University of Chemical Technology | | WU You-ping | Beijing University of Chemical Technology |
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| Abstract: |
| The effect of ENR and coupling agent Si69 on the adhesion property between aramid fibre and NR was investigated.The results showed that，as the addition level of ENR increased，the Mooney scorch time of NR compound was shortened，the hardness，elongation at break and tear strength of the vulcanizates increased，and the modulus at 100% elongation and the pull-out force of aramid fiber increased at first and then decreased.When the addition level of ENR was 10 phr，the best overall performance of NR compound was obtained.With resorcinol-formaldehyde-silica adhesion system，by adding coupling agent Si69，the Mooney viscosity of NR compound decreased，the Mooney scorch time was extended，the hardness and modulus increased，and the pull-out force decreased.However，by adding ENR，the Mooney viscosity of NR compound increased，the Mooney scorch time was shortened，the modulus at 300% elongation of the vulcanizates decreased，and the pull-out force increased. |
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