Zirconium 4 chloride zrcl4

Solvents included deionized water (H₂O, in‐house), ethanol (EtOH, 200 proof Koptec), and glacial acetic acid (HOAc, >99.7 % Northwest Scientific Inc.). Zirconium(IV)chloride (ZrCl₄, 99.5 % Alfa Aesar) and 2‐aminoterephthalic acid (BDC‐NH₂, 99 % Aldrich) were used as UiO‐66‐NH₂ precursors. All solvents and precursors were used without further purification. Fabrics used include nonwoven polyethylene terephthalate (PET), polypropylene (PP) and nylon (PA‐6) (The Nonwovens Institute), 50 : 50 nylon/cotton (nyco) (U.S. Army Natick Soldier Systems Center), and spandex(8 %)/polyester (spandex) (commercial garment). All fabrics were used as received without further treatment.

Commercial UiO-66 (Strem Chemicals Inc., Newburyport, MA, USA) was purchased from CymitQuimica (Barcelona, Spain) and activated in an oven at 300 °C for 2 h. Zirconium (IV) oxychloride octahydrate (ZrOCl₂·8H₂O, Glentham Life Sciences, Corsham, UK, 98%) and tetraethylammonium bromide (TEABr, TCI chemicals, Tokyo, Japan, >98%) were also supplied by CymitQuimica. 1,4-benzenedicarboxylic acid (BDC, Aldrich, San Luis, MO, USA, 98%) and caffeine (1,3,7-trimethylxanthine, ReagentPlus, Aldrich) were purchased from Sigma-Aldrich (San Luis, MO, USA). Zirconium (IV) chloride (ZrCl₄, Alfa Aesar, Haverhill, MA, USA, +99.5%), 2-aminoterephthalic acid (NH₂-BDC, ThermoScientific, Waltham, MA, USA, 99%), and formic acid (HCOOH, FisherScientific, Waltham, MA, USA, 90%) were purchased from ThermoFisher Scientific (Waltham, MA, USA). As solvents, absolute ethanol (EtOH, 99.5%) and deionized water were provided by Productos Gilca S.C. (Zaragoza, Spain). Recycled Polyamide 6 (Recomyde^® B30 P4) and Biopolymer PLA based (Inzea^® F19) were provided by NUREL S.A. (Zaragoza, Spain).