丁基橡胶(IIR ) 的一个慢 bromination 过程受不了低效率和目标产品的低选择(S) 。为了获得合适的途径在 bromination 过程上加强这个过程,助理溶剂的效果和混合紧张,全身地在这份报纸被学习。反应过程被发现常常与助理溶剂的增加的剂量和极性加速了。有 30% 的己(由体积) dichloromethane 作为合适的溶剂部件被发现,在转指向 80.2% 的产品(xA1s ) 和 91.2% 的相应 S 的 1,4 异戌二烯的稳定的变换在 5 min 被获得的地方。加速的反应过程被示威被混合紧张直到 1100 r 的最佳的激动人心的率显著地影响
A slow bromination process of butyl rubber (IIR) suffers from low efficiency and low selectivity (S) of target-product. To obtain suitable approach to intensify the process, effects of assistant solvents and mixing inten-sity on the bromination process were systemically studied in this paper. The reaction process was found constantly accelerated with the increasing dosage and polarity of assistant solvent. Hexane with 30%(by volume) dichloro-methane was found as the suitable solvent component, where the stable conversion of 1,4-isoprene transferring to target product (xA1s) of 80.2%and the corresponding S of 91.2%were obtained in 5 min. The accelerated reaction process was demonstrated being remarkably affected by mixing intensity until the optimal stirring rate of 1100 r·min-1 in a stirred tank reactor. With better mixing condition, a further intensification of the process was achieved in a ro-tating packed bed (RPB) reactor, where xA1s of 82.6% and S of 91.9% were obtained in 2 min. The usage of the suitable solvent component and RPB has potential application in the industrial bromination process intensification.