Two kinds of major microstructure of brominated butyl rubber were discovered: secondary allylic configuration and primary allylic configuration, the former is on the guiding place.

• 溴化丁基橡胶主要存在两种微观结构：溴代仲位烯丙基构型和溴代伯位烯丙基构型，前者占据了主导地位。