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中文摘要：
研究新型促进剂STU对天然橡胶（NR）硫化特性和物理性能的影响。结果表明：在较低的硫化温度下,添加促进剂STU可以缩短NR胶料的t90;当促进剂STU/促进剂CZ摩尔比为1∶1时,可达到最佳的硫化促进效果;添加促进剂STU可以提高NR硫化胶的拉伸性能。
英文摘要：
The effect of new type accelerator STU on the curing behavior and physical properties of NR compound was investigated. The results showed that, at low curing temperature, the t90 of NR compound was shortened by adding accelerator STU. When the molar ratio of accelerator STU/acce- lerator CZ was 1 ： 1,the vulcanization accelerating effect was the best. The tensile properties of NR vulcanizate were improved by adding accelerator STU.
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