十二烷基硫酸钠和乙醇对明胶超细纤维成型的影响

Influence of SDS and ethanol on forming process of gelatin ultrafine fiber

通过添加表面活性剂十二烷基硫酸钠(SDS)、乙醇改善较低质量分数(13%)明胶水溶液的静电纺丝成型性能,发现SDS在降低明胶溶液表面张力的同时,提高了溶液的电导率及黏度。当SDS质量分数在0.5%以上时,电纺明胶纤维毡中的串珠消失;溶剂中水/乙醇为95/5(质量比)时,获得的明胶超细纤维毡中串珠减少且纤维直径变细。

Throughout adding surfactant sodium dodecyl sulfate （SDS） and ethanol, the electrostatic spinning and forming process of gelatin solution with 13% of low mass percentage was improved, it was found out that SDS could enhance electric conductivity and viscosity meanwhile decrease surface tensile, beads along the gelatin fibers vanished with SDS content of 0.5 wt % , while the water/ethanol ratio of the gelatin solution was 95/5, the diameter of ultrafine gelatin fibers diminished and the beads reduced.