| Modification of Ground Tire Rubber Powder by Plasticization |
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| DOI： |
| Key Words: fine rubber powder；plasticizing modification；NR；physical property；wear resistance；flexing resistance |
| Author Name | Affiliation | | WU Ming-sheng | Qingdao University of Science and Technology | | SHI Jun-jie | Qingdao University of Science and Technology | | ZHOU Hai-ni | Qingdao University of Science and Technology |
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| Abstract: |
| The fine tire rubber powder was modified via plasticization and the particle structure of rubber powder was studied. The properties of NR compound filled with the original and modified rubber powder were comparatively investigated.The results showed that，compared with fine rubber powder，the particle size of modified rubber powder was more uniform，and surface roughness increased.Compared with original rubber powder filled NR compound，the Mooney viscosity，torque，hardness and 300% modulus of modified rubber powder filled NR vulcanizate were decreased，the tensile strength，elongation at break，tear strength and resilience were increased，and the wear resistance，anti-aging properties and flexing resistance were improved. |
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