| Effect of Semi-Efficient Vulcanization System on DIN Abrasion Loss of NR |
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| DOI： |
| Key Words: NR；semi-efficient vulcanization system；DIN abrasion；orthogonal experimental design；interaction |
| Author Name | Affiliation | | DONG Chenglei | Qingdao University of Science and Technology | | GONG Li | Qingdao University of Science and Technology | | LIU Li | Qingdao University of Science and Technology |
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| Abstract: |
| The effects of the addition level of sulfur，accelerator NS and curing agent DTDM on the properties of NR compound were investigated.The results showed that，for semi-efficient vulcanization system，when the addition level of sulfur，accelerator NS and curing agent DTDM was 1.8～2，1.4～1.6 and 0.6～0.8 phr respectively，the NR vulcanizate had better physical properties and wear resistance.By using the orthogonal experimental design，the effects of sulfur，accelerator NS，curing agent DTDM and their interaction on the wear resistance of NR compound were analyzed. Based on the test results and variance analysis，the optimum formulation of semi-efficient vulcanization system with minimum DIN abrasion loss was obtained as follows：sulfur 1.8 phr，curing agent DTDM 0.8 phr，and accelerator NS 1.4 phr. |
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