Zirconium (IV) chloride (ZrCl4, 99.5%), titanium (IV) isopropoxide (Ti [OCH(CH3)2]4, 97%), 1,4-benzenedicarboxylic acid (BDC, 98%), dimethylformamide (DMF, 99.9%), and methanol (CH3OH, 99.8%) were obtained from Sigma-Aldrich (St. Louis, MO, USA) for the preparation of MOFs NPs.
The PSU support sheets were prepared by dissolving polysulfone pellets (PSU, MW = 35,000, Sigma-Aldrich) in DMF solvent. The chemicals for the IP, m-phenylenediamine (MPD, ≥99%) and trimesoyl chloride (TMC, ≥98.5%), were purchased from Fisher Scientific (Pittsburgh, PA, USA) and Sigma Aldrich, respectively. 2,2,4-trimethylpentane (isooctane, 99%) was obtained from Fisher Scientific and used as TMC solvent. Our recent study demonstrated that isooctane could replace commonly used hexane during the IP process as a more environmental-friendly solvent [18 (link)]. Millipore DI water (Synergy185, 18.2 MΩ-cm, EMD Millipore Corp., Billerica, MA, USA) was used to prepare MPD solution and for cleaning purposes. Calcium chloride (CaCl2) and sodium chloride (NaCl) were obtained from Fisher Scientific and Sigma Aldrich, respectively. CSA/TEA salt materials, triethylamine (TEA, ≥99%) and (1s)-(+)-10-camphorsulfonic acid (CSA, 99%), were purchased from Sigma Aldrich.
The PSU support sheets were prepared by dissolving polysulfone pellets (PSU, MW = 35,000, Sigma-Aldrich) in DMF solvent. The chemicals for the IP, m-phenylenediamine (MPD, ≥99%) and trimesoyl chloride (TMC, ≥98.5%), were purchased from Fisher Scientific (Pittsburgh, PA, USA) and Sigma Aldrich, respectively. 2,2,4-trimethylpentane (isooctane, 99%) was obtained from Fisher Scientific and used as TMC solvent. Our recent study demonstrated that isooctane could replace commonly used hexane during the IP process as a more environmental-friendly solvent [18 (link)]. Millipore DI water (Synergy185, 18.2 MΩ-cm, EMD Millipore Corp., Billerica, MA, USA) was used to prepare MPD solution and for cleaning purposes. Calcium chloride (CaCl2) and sodium chloride (NaCl) were obtained from Fisher Scientific and Sigma Aldrich, respectively. CSA/TEA salt materials, triethylamine (TEA, ≥99%) and (1s)-(+)-10-camphorsulfonic acid (CSA, 99%), were purchased from Sigma Aldrich.
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