| Study on the characteristics of rare earth complex as rubber vulcanization accelerator |
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| DOI： |
| Key Words: NR；SBR；rare earth complex；accelerator；curing characteristics；dynamic mechanical property |
| Author Name | Affiliation | | WEI Feng-xian | South China Normal University | | ZHANG Wei-guang | South China Normal University | | FAN Jun | South China Normal University | | YIN Xia | South China Normal University | | LIU Xian-feng | South China University of Technology | | HUANG Miao-you | South China University of Technology |
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| Abstract: |
| The N-cyclohexyl-2-benzothiazole sulfenamide neodymium complex was synthesized with accelerator CZ as ligand，and its application in NR/SBR blend was investigated.It was confirmed by element analysis and infra-red spectroscopy analysis that，the composition of the rare earth complex was Nd(CZ)Cl3·Nd(OH)Cl2·H2O. The rare earth complex had a delay characteristic of sulfonamide accelerators and was suitable for vulcanization of thick-walled rubber goods；after heat aging，the Shore A hardness，the modulus at 300% elongation and tear strength of vulcanizate were increased，the tensile strength，elongation at break and tensile set at break of vulcanizate were decreased；the rolling resistance and the heat build-up of tread compound with the rare earth complex could be decreased. |
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