Pebax/ionic liquid modified graphene oxide mixed matrix membranes for enhanced CO2 capture

Application of Water‐Swollen Thin‐Film Composite Membrane in Flue Gas Purification

“…Ionic-liquid-functionalized graphene oxide in Pebax 1657 900 45 [18] Polaris 1000-2000 50-60 [19] Ionic liquid in polyimide 24 40 [20] Polymer/zeolite Y-composite 745 25 [21] Pebax 342 32 [22] Pebax/PEG DME 500 a) 940 30 [22] Pebax+zeolite layer 1420 10 [22] a) PEG DME=poly(ethylene glycol) dimethyl ether. Figure 2.…”

Introducing hydrophilic ultra-thin ZIF-L into mixed matrix membranes for CO2/CH4 separation

“…Among them, the incorporation of two-dimensional (2D) materials [11][12][13][14][15][16][17][18][19][20][21][22] into a polymer matrix to obtain MMMs has been the focus of research recently. Huang et al 23 prepared Pebax/GO-0.05 MMMs and the CO 2 permeability and CO 2 /N 2 selectivity were 113 barrer and 72, respectively. Compared to pure Pebax membrane, the CO 2 permeability and CO 2 /N 2 selectivity increased by 22.8% and 71.4%, respectively.…”

Novel Inorganic Two-dimensional Materials for Gas Separation Membranes

“…以及 GO-1 膜横截面的 TEM 照片(d) [17] Fig. 7 Schematic representation of the assembly of GO nanosheets in polymeric environment (a), digital photographs of the membrane with 0.1wt% GO (b), overview (the yellow dashed lines are eye-guiding lines indicating the GO laminates in these regions) (c) and expanded TEM image of the cross section of GO-1 membrane (d) [17] 体填充于 GO 膜层间等 [48][49][50] 。 Jin 等 [17] 在聚醚嵌段酰胺(PEBA)基膜中加入 0.1wt%的 GO(图 7), 少层堆叠的 GO 具有分子筛作 用的层间距(0.7 nm)和较为直接的扩散路径, 获得 的 PEBA-GO 膜具有优异的分离性能。增加 GO 与 聚合物基体的相容性, 减少界面缺陷, 是提高混合 基质膜性能的重要途径 [51][52] 。Xin 等 [53] [56][57][58][59][60][61] 制备, 其中 MoS 2 是研究 最为广泛的 TMDs。Wang 等 [62] 首次将 MoS 2 层状膜 用于气体分离, 他们通过抽滤制得厚度为 17 nm 的 图 8 GO 纳米片和聚合物链组成的二维通道的受力分析示意图(a), 本征力诱导的无序结构(左)和 协同外力驱动的高度有序层状结构(右)示意图(b) [54] Fig. 8 Force analysis for one 2D channel unit consisting of GO nanosheets and polymer chain (a), schematic illustration of intrinsic force induced disordered structure (left) and highly ordered laminar structures (right) driven by introduced synergistic external forces (b) [54] 图 9 气体通过 GO-SILM 膜溶解-扩散传输路径示意图(a), 限制在 [55] Fig.…”