▎ 摘　　要

NOVELTY - Graphene composite fiber non-woven fabric prepared by using graphene fiber as a carrier, solvothermal synthesis of metal-organic framework (MOFs) nanoparticles on the surface of the fiber, where the diameter of each graphene fiber of graphene oxide fiber nonwoven fabric is 20-100 mu m, the MOFs catalyst is UiO-66-NH2, and the particle size is 50-400 nm, the composite fiber non-woven fabric is grapheme-UiO-66-NH2, is GF-UiO-66-NH2, the thickness is 50-300 mu m; the loading of UiO-66-NH2 in grapheme-UiO-66-NH2 is 8-34 wt.%, is claimed. USE - The graphene composite fiber nonwoven fabric is useful for catalytic degradating of neurological chemical warfare agents. ADVANTAGE - The fabric: has an efficient photothermal conversion effect and a catalytic half-life of 1.6 minutes; can be almost completely degraded within 20 minutes; has good ability to quickly catalyze the degradation of neurological chemical warfare agents. DETAILED DESCRIPTION - An INDEPENDENT CLAIMS is also included for preparing a graphene composite fiber nonwoven fabric comprising (1) using aqueous dispersion of graphene oxide as the spinning dope, using continuous wet spinning method, graphene oxide fiber is prepared, allowing to stand at room temperature and vacuum drying, dispersing the dried fibers in an aqueous ethanol solution and using high-speed shearing and agitation to cut them into short fibers with a length of 1-7 mm, preparing a short-fiber ethanol aqueous dispersion, vacuum filtering and drying at room temperature to obtain a graphene oxide nonwoven fabric, and partially reducing graphene oxide nonwoven fabric to obtain a graphene fiber nonwoven fabric and (2) dissolving zirconium salt and organic ligand 2-aminoterephthalic acid in N,N dimethylformamide, mixing thoroughly, adding regulator, stirring well, soaking the graphene fiber nonwoven fabric in the above mixed liquid, allowing to stand at room temperature to make the graphene fabric fully absorb the zirconium ions in the mixed solution, placing the above system in a reaction kettle for solvothermal synthesis reaction to obtain GF-UiO-66-NH2 composite fabric, washing three times with N,N-dimethylformamide, and further immersing in absolute ethanol for solvent exchange and vacuum drying to obtain product; and #use method comprising placing the prepared composite fiber nonwoven fabric in the reactor, adding 0-0.6 M (preferably 0.45 M) N-ethylmorpholine buffer, stirring vigorously for 30 minutes, placing the reactor in a dark box with light source light treatment, adding a neurotoxic agent e.g. Soman or its best mimic dimethyl 4-nitrophenylphosphate to the reactor, and continuously stirring to carry out catalytic degradation, preferably 20 mg of composite fiber non-woven fabric corresponding to N-ethylmorpholine buffer 0.8-1.5 ml.