In this research, polybutylene succinate (PBS) was utilized in the fabrication of pervaporation (PV) membranes, and novel PBS/polyvinylpyrrolidone (PVP) blend membranes were prepared and assessed for the dehydration of acetone. The influence of PVP concentration on membrane morphology, chemical structure, relative hydrophilicity/hydrophobicity, and mechanical properties was studied through field-emission scanning electron microscopy (FESEM), attenuated total reflectance Fourier-transform infrared (ATR-FTIR) spectroscopy, measurement of water contact angle, and tensile test, respectively. In addition, the thermal properties of the PBS and PBS/PVP membranes were compared via thermogravimetric analysis (TGA). Finally, membrane swelling was determined, and the performance of the resultant PBS/PVP membranes in dehydration of acetone/water mixture was compared via the determination of acetone and water fluxes, total flux, separation factor, and pervaporation separation index (PSI). The obtained results confirmed the increased hydrophilicity, swelling, and tensile strength of the PBS/PVP blend membranes compared to that of the neat PBS one. Moreover, blending PBS with PVP increased the total flux, separation factor, and PSI of the resultant membranes. Using 3 wt.% PVP in the polymeric solution augmented the mentioned parameters by about 3, 6, and 21 fold, respectively, compared to those of the pure PBS membrane.

在这项研究中，聚丁二酸丁二酯（PBS）用于渗透膜（PV）的制备，并制备了新型PBS /聚乙烯吡咯烷酮（PVP）共混膜并评估了丙酮的脱水作用。通过场发射扫描电子显微镜（FESEM），衰减全反射傅里叶变换红外光谱（ATR-FTIR）和水的测量研究了PVP浓度对膜形态，化学结构，相对亲水性/疏水性和机械性能的影响。接触角和拉伸试验。另外，通过热重分析（TGA）比较了PBS和PBS / PVP膜的热性能。最后，确定了膜肿胀，并通过测定丙酮和水的通量，总通量，分离因子和全蒸发分离指数（PSI），比较了所得的PBS / PVP膜在丙酮/水混合物脱水中的性能。所得结果证实了与纯PBS PBS相比，PBS / PVP共混膜的亲水性，溶胀和拉伸强度增加。此外，将PBS与PVP混合会增加所得膜的总通量，分离系数和PSI。与纯PBS膜相比，在聚合物溶液中使用3重量％的PVP分别使所述参数增加约3、6和21倍。所得结果证实了与纯PBS PBS相比，PBS / PVP共混膜的亲水性，溶胀和拉伸强度增加。此外，将PBS与PVP混合会增加所得膜的总通量，分离系数和PSI。与纯PBS膜相比，在聚合物溶液中使用3重量％的PVP分别使所述参数增加约3、6和21倍。所得结果证实了与纯PBS PBS相比，PBS / PVP共混膜的亲水性，溶胀和拉伸强度增加。此外，将PBS与PVP混合可增加所得膜的总通量，分离系数和PSI。与纯PBS膜相比，在聚合物溶液中使用3重量％的PVP分别使所述参数增加约3、6和21倍。