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异丁烯-异戊二烯共聚橡胶(丁基橡胶,IIR)、溴化异丁烯-异戊二烯共聚橡胶(溴化丁基橡胶,BIIR)、氯化异丁烯-异戊二烯共聚橡胶(氯化丁基橡胶,CIIR)和溴化异丁烯-对甲基苯乙烯共聚弹性体(BIMSM)的硫化与通用橡胶(GPR)的硫化是不同的。在丁基橡胶骨架上有大约2%的不饱和链,而卤化丁基橡胶(BIIR和CIIR)是在丁基橡胶骨架上与溴原子或氯原子反应后的丁基橡胶,它能够极大地增加丁基橡胶骨架上异戊二烯的化学活性。类似地,在BIMSM弹性体中溴原子被连接到对甲基苯乙烯(PMS)基团上,这样可以给完全饱和的聚合物骨架提供一个化学活性的位置。丁基橡胶和卤化丁基橡胶极小的不饱和构架以及BIMSM弹性体无不饱和构架的独特特性,在工业上的许多领域中都有应用,这些特性包括极好的蒸气不透过性、耐热降解性,以及与通用橡胶相比显著提高的耐化学性。但是,这种较低的活性需要特殊的条件才能使异丁烯基弹性体硫化。硫化体系类型的选择在硫化产品的性能需求和使用上是一个复杂的操作过程。研究了异丁烯基弹性体硫化体系的类型及选择。
Isobutylene-isoprene copolymer rubber (butyl rubber, IIR), brominated isobutylene-isoprene copolymer rubber (brominated butyl rubber, BIIR), chlorinated isobutylene- isoprene copolymer rubber Base rubber, CIIR) and brominated isobutylene-para-methylstyrene copolymer elastomer (BIMSM) are vulcanized differently from general purpose rubber (GPR). About 2% of the unsaturated chains are present in the butyl rubber backbone, while the halobutyl rubbers (BIIR and CIIR) are butyl rubbers that react with bromine or chlorine atoms on the butyl rubber backbone and can greatly increase Chemical activity of isoprene on butyl rubber. Similarly, bromine atoms are attached to para-methylstyrene (PMS) groups in BIMSM elastomers, which provides a chemically-active site to fully saturated polymer backbones. The unique properties of butyl and halogenated butyl rubber in their extremely small unsaturated frameworks as well as the non-saturable framework of BIMSM elastomers are used in many industrial applications including excellent vapor impermeability, heat resistance Degradability, and significantly improved chemical resistance compared to general purpose rubbers. However, this lower activity requires special conditions to vulcanize the isobutylene based elastomer. The choice of type of cure system is a complex procedure for the performance requirements and use of vulcanized products. The type and selection of vulcanization system of isobutylene elastomer were studied.