| 氯丁橡胶环保促进剂MTT的试验 |
| Test of Environmentally-Friendly Accelerator MTT for CR |
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| DOI： |
| 中文关键词: 氯丁橡胶 亚乙基硫脲 3-甲基-2-噻唑硫酮 促进剂 硫化行为 耐热性 |
| 英文关键词: CR ethylene thiourea 3-methyl-2-thiazolyl-thione accelerator vulcanization behavior heat resistance |
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| 中文摘要: |
| 试验研究环保促进剂MTT（3-甲基-2-噻唑硫酮）替代促进剂ETU（亚乙基硫脲）的效果。结果表明，按标准检验配方进行对比，MTT-80和MTT的性能均优于ETU。按实用试验配方进行对比，对于W型氯丁橡胶（CR）SN232和M-40，与含ETU胶料相比，含MTT-80胶料的焦烧安全性好，硫化曲线平坦，耐热老化性能优异，耐臭氧性能相当，拉伸性能稍逊，但也有较好水平，以MTT-80替代ETU具有实用生产价值；而对于WRT型CR（S-40V），含MTT-80与ETU的胶料性能差距较大，还需进一步探讨。 |
| 英文摘要: |
| In this study，environmentally-friendly accelerator MTT（3-methyl-2-thiazolyl-thione）was applied in CR compound and compared with accelerator ETU（ethylene thiourea）.The results showed that，using standard formula，the performance of MTT-80 and MTT were better than ETU.With practical formula，it was found that in W-type CR（SN 232 and M-40）compound，compared with the ETU compound，the MTT-80 compound had better scorch safety，flat vulcanization curve，better heat aging properties，equivalent ozone resistance，slightly inferior tensile properties which，however，were still at a good level，and thus MTT80 could be used to replace ETU in practical production.For WRT-type CR（SV-40），there was a big difference between compound properties of MTT-80 and ETU compounds，and further study was needed. |
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