Formation and morphological stability of polybutadiene rubber fibers prepared through combination of electrospinning and in-situ photo-crosslinking

► Fibers of polybutadiene rubber (BR) with high morphological stability are prepared. ► The fibers are prepared through combination of electrospinning and in-situ photo-crosslinking. ► Formation of electrospun BR fibers is correlated with overlap/entanglement of BR macromolecules in spinning solutions. ► In-situ photo-crosslinking is an effective method to considerably improve the morphological stability of electrospun BR fibers.