The ultrafine fibers of styrene-butadiene-styrene copolymer(SBS)were prepared by gas-jet/electrospinning of its solutions in a mixture of 75 % tetrahydrofuran(THF)and 25 %N,N-dimethylformamide(DMF).

• 采用75%25四氢呋喃(THF)和25%25N,N-二甲基甲酰胺(DMF)的混合溶液作溶剂,通过气流-静电纺丝法制备了苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)超细纤维。