| Influence of Vulcanization Process on Multiple Network Structure of NR Compounds |
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| DOI： |
| Key Words: NR；carbon black；sulfur；vulcanization process；network structure |
| Author Name | Affiliation | | LI Wei | Qingdao University of Science and Technology | | ZHANG Ping | Qingdao University of Science and Technology | | SUN Chong | Qingdao University of Science and Technology | | ZHAO Shu-gao | Qingdao University of Science and Technology |
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| Abstract: |
| The influence of vulcanization process of NR compounds filled with different addition levels of carbon black or sulfur on their network structures was investigated.The results showed that，compared with NR compounds，NR vulcanizates contained more carbon black networks and carbon black-polymer networks.As the addition level of carbon black increased，the density of carbon black networks and carbon black polymer networks in NR vulcanizates increased，and the compression fatigue temperature rise and compression set increased.As the addition level of sulfur increased，the carbon black network density increased，the interaction between carbon black-polymer networks and crosslinked polymer networks was strengthened，and the compression fatigue temperature rise and compression set increased at first and then kept stable. |
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