金屬玻璃鍍層（TFMG）為非晶結構之金屬，最近於材料改良領域獲得高度的關注。 在此研究中，鍍覆金屬玻璃鍍層於聚合物基質，其聚合物基材為靜電紡絲之聚丙烯腈和聚碸複合膜，目的是為了提高膜的選擇性和防汙性。
首先，將靜電紡絲之聚丙烯腈（PAN）纖維膜鍍覆不同厚度的鋯基（Zr60 Cu25 Al10 Ni5）金屬玻璃，於RF功率100w和工作壓力3mtorr的條件下。鍍覆金屬玻璃鍍層之PAN纖維膜可用於油水分離，並有95％以上的排油率。由於金屬玻璃鍍層具光滑表面，可以完全保護PAN纖維膜免於受到化學腐蝕和熱降解，使PAN纖維膜免受到污染。在不同金屬玻璃鍍層的厚度於疏水性，粗糙度和孔隙率皆有顯著的影響，相對較厚的鍍層（61.9nm）對PAN纖維膜的水接觸角從24º增加到136º。此外，表面活性劑對薄膜通量和油水分離性能的影響上已有系統的研究。所製備乳液中的表面活性劑為十二烷基硫酸鈉（SDS），SDS的濃度對油滴大小及其分佈表現出顯著的影響，導致疏水性金屬玻璃鍍層的除油性與SDS的含量並行，其含量範圍於95％至100％。
第二，將不對稱且相對緻密的聚碸（PSF）複合超濾薄膜作為基材，並兩階段改質來提高PSF複合超濾膜的選擇性、水通量和防污性。第一步用氬氣和氧氣等電漿對PSF複合超濾膜進行功能化，再來用不同的金屬玻璃系統（W50 Ni25 B25, Zr60 Cu25 Al10 Ni5, 和 Pd74 Si14 Cu12）鍍覆於PSF複合超濾膜。所得的功能化PSF超濾膜表現出良好的親水性（水接觸角為18度），並顯示出350.7 Lm−2h−1 之高純水通量以及83%之牛血清白蛋白排斥率。鍍覆金屬玻璃之PSF複合超濾膜改善了牛血清白蛋白的排斥行能，而純水通量只略有變化。因此，在鎢基、鋯基和鈀基PSF複合超濾薄膜之純水通量分別為321.5 Lm−2h−1、215.6 Lm−2h−1 和 181.3 Lm−2h−1, 而牛血清白蛋白的排斥範圍從98.6%至99.9%。尤其於鎢基之PSF複合超濾膜具顯著的純水通量、牛血清白蛋白排斥性和防污性，歸於表面親水性（水接觸角為24.2度）和表面電荷所致。鍍覆金屬玻璃系統於PSF複合超濾膜之RF功率為50W，以及工作距離為 12公分，使鍍膜時不會分散聚合物的本體結構。因此，氬氣和氧氣等電漿改質和鍍覆金屬玻璃之改質在改進方面是獨立發展的。
總體而言，在此研究成功鍍覆不同金屬玻璃系統於PAN纖維膜和PSF複合超濾膜，使聚合物的本體結構不會分散。金屬玻璃鍍層在其特地用途和行能上產生良好的膜特性，其中鍍覆金屬玻璃之PAN薄膜和PSF複合超濾膜分別具有95%之排油性和98%牛血清白蛋白排斥性

Thin film metallic glasses (TFMGs) are amorphous structured metals that recently gained incredible attention in the field of material modifications. In this work, TFMGs were sputter-deposited onto polymeric substrates (electrospun polyacrylonitrile and Polysulfone composite membranes), with the aims of enhancing membrane selectivity and antifouling.
First, the electrospun polyacrylonitrile (PAN) fabric membrane was coated with the Zr-based TFMG (Zr53Cu26Al16Ni5) with different coating thicknesses (24.2, 51.0, and 61.9 nm). The metallic glass-coated PAN fabric membrane was used for oil-water separation and performed above 95% oil rejection. Moreover, the coating film entirely protected the electrospun PAN fabric membrane from chemical and thermal degradation as well as preserved the membrane from fouling, as the result of the smooth surface generated by TFMG coating. Here, the thickness of TFMG-coating exhibited a significant effect on the membrane hydrophobicity, roughness, and porosity so that relatively thick coating film (61.9nm) increased the water contact angle (WCA) of PAN fabric membrane from 24 ° to 136 °. Besides, the surfactant effect on the membrane’s flux and oil/water separation performance has been systematically studied. The surfactant, sodium dodecyl sulfate (SDS) concentration in the prepared emulsion shown a substantial effect on the oil droplet size as well as its distribution and finally causes the hydrophobic TFMG-coated membrane exhibited different oil rejection performance parallel with the SDS content, which was found in the range of 95%-100%.
In the second part of this study, asymmetric and relatively dense Polysulfone (PSf) composite membrane was used as a substrate and a two-step modification was successfully implemented to improve the selectivity/water flux and antifouling performance of the PSf composite ultrafiltration membrane. PSf composite ultrafiltration membrane was first activated oxygen and then coated with several metallic glass systems (W50Ni25B25, Zr60Cu25Al10Ni5, and Pd74Si14Cu12). The resulting activated PSf ultrafiltration membrane exhibited strongly hydrophilic (WCA of 18.1 °), and show high pure water flux (PWF) of 350.7 Lm−2h−1 with bovine serum albumin (BSA) rejection of 83%. The TFMG/polysulfone composite ultrafiltration membrane improved BSA rejection performance with slight changes on PWF. Thus, W-, Zr-, and Pd-based TFMG/polysulfone composite membranes PWF were found 321.5 Lm−2h−1, 215.6 Lm−2h−1, and 181.3 Lm−2h−1, respectively, and BSA rejection ranged from 98.6 to 99.9%. Particularly the W-based TFMG/polysulfone composite membrane performs a remarkable PWF, BSA rejection, and antifouling that probably owing to the surface hydrophilicity (WCA of 24.2 °) and surface charge. In this modification, TFMG was sputter deposited at 50W RF power and an appropriate substrate distance (12cm) from the target to implant TFMG on the PSf membrane without noticeable damages to the polymer bulk structure. Therefore, the Ar/O2 plasma for oxygen grafting and TFMG coating played important roles in achieving such incredible improvements. Here, TFMG-coated polysulfone composite ultrafiltration membranes achieved moderately higher pure water flux and protein rejection with incredible antifouling competence, even under extended fouling processing time.
Overall, in this study different TFMG systems have successfully sputter deposited on PAN fabric and PSf composite membranes without distracting the bulk structure. The TFMG-coating results an incredible membranes characteristics as a function of their specific purpose and performance in which the TFMG-coated PAN and PSf presented above 95% oil rejection and more than 98% BSA rejection, respectively.

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