多巴胺及牛磺酸改性聚丙烯中空纤维膜的抗污染性能研究

Anti-fouling Properties of Dopamine and Taurine Modified Polypropylene Hollow Fiber Membrane

通过多巴胺和牛磺酸对聚丙烯(PP)中空纤维微滤膜表面进行亲水改性,制备了抗污染PP中空纤维复合膜。采用傅里叶红外光谱(FTIR)对自制的复合纤维膜的表面结构进行了表征,并通过扫描电子显微镜(SEM)研究了复合膜表面的形态结构,最后通过对牛血清白蛋白的抗污染测试研究了复合改性膜的抗污染性能。结果表明,多巴胺及牛磺酸被成功地引入到了聚丙烯中空纤维膜表面,并有效地提高了聚丙烯膜表面的亲水性及抗污染性能。

Hydrophilic modification of polypropylene （PP） hollow fiber microfiltration membrane surface was carried out by dopamine and taurine, and antifouling composite fiber membranes were prepared. The chemical composition and morphology of the membrane surface were confirmed by attenuated total reflectance Fourier transform infrared spectroscopy （ATR-FTIR） and scanning electronic microscopy （SEM）. Bovine serum albumin （ BSA ） was used modified membranes. Results show that dopamine to test the anti-pollution properties of the composite and taurine are successfully introduced onto the polypropylene hollow fiber membrane surface, and they effectively improve the hydrophilic and anti-fouling performance of polypropylene membrane.