74 results about "Magnetic ionic liquid" patented technology

The invention relates to a method for preparing fibrillar meshwork structure conducting polypyrrole film by interfacial polymerization, which comprises the following steps: dissolving ionic liquid in deionized water, and dissolving pyrrole monomer in a hydrophobic solvent, wherein the magnetic ionic liquid acts as an initiator and a soft template, and a conducting polypyrrole film is formed on the interface of water and the hydrophobic solvent. A conducting polypyrrole film with a fibrillar meshwork structure can be obtained by controlling the reaction conditions. According to the invention, the equipment is simple, the operation is easy, and low toxic (non-toxic) n-hexane (ionic liquid) is used as a solvent, resulting in environmental friendliness. The prepared polypyrrole film is used as supercapacitor electrode material and has high specific capacity and multiplying factor.

The invention provides a method for degrading polyethylene glycol terephthalate (PET). The method comprises the steps of preparing HAP-gamma-Fe2O3, preparing a 1-methyl-3-(3-propyltriethoxysilane) imidazole chloride, preparing a magnetic ion liquid, pretreating a raw material, carrying out catalytic reaction by adopting the catalyst and purifying the product, wherein in the step of carrying out catalytic reaction, PET, the magnetic ion liquid and water are put into a reaction kettle, the mass ratio of PET to the magnetic ion liquid is 1:(0.05-0.15), and the temperature is set to be 200-320 DEG C and the time is set to be 15-30 hours; and after the reaction kettle is cooled to the room temperature after reaction is completed, stirring, standing and layering are carried out, suction filtration is carried out, NaOH is added to the filtrate, suction filtration is carried out again, HCl is added and suction filtration is carried out, thus obtaining a product terephthalic acid. By degrading PET by adopting the method provided by the invention, the degradation rate can be more than 90%.

The invention relates to a magnetic ion liquid-filled micro-structure optical fiber magnetic field sensor. The working principle of the sensor includes that a fiber core mode and an ion liquid columnmode are coupled by the aid of a refractive index matching and coupling principle, the transmission light attenuation coefficient of ion liquid is changed along with increase of the strength of an external magnetic field when the transmission direction of transmission light is perpendicular to the direction of the magnetic field, the attenuation coefficient of the magnetic ion liquid is changed under different magnetic field strengths, spectrum harmonic peak strength is obviously changed, and the strength change of the external magnetic field can be accurately measured. The sensor can be usedfor implementation of novel optical fiber magnetic field sensor research work. Compared with a past reported optical fiber magnetic field sensor, the sensor has the advantages that the property of themagnetic ion liquid is more stable than that of magnetic fluids, measuring results cannot be affected by base fluid property fluctuation, and the sensor has higher accuracy.

The invention discloses a synthesis method of guanidine organic magnetic ionic liquid, in particular guanidyl cation-based organic magnetic ionic liquid. The synthesis method is technically characterized in that chloroalkane or bromoalkane, 1,1,3,3-tetramethyl guanidine, sodium hydroxide or potassium hydroxide, a 4-hydroxy-2,2,6,6-tetramethyl piperidine oxide and chlorosulfonic acid are used as raw materials to synthesize a series of paramagnetic organic magnetic ionic liquid, and the structural formula is as shown in formula (I) shown in the description. The compound is novel in structure and can form aqueous two phase with inorganic salt (potassium phosphate, dipotassium phosphate, potassium carbonate, sodium carbonate, ammonium bisulfate, sodium sulfate and the like); an aqueous two phase system of the magnetic ionic liquid is internationally developed for the first time. Compared with the traditional aqueous two phase system, the aqueous two phase system of the magnetic ionic liquid is capable of accelerating the separation of two phases through an applied magnetic field assisted manner, so as to improve the phase separation efficiency. The system has wide potential purposes, and has unique advantage in the fields of extraction, micro-extraction, separation and analysis.

The invention discloses a two-dimensional nitrogen-doped magnetic ionic liquid zeolite imidazate nano material and a preparation method and application thereof. The preparation method comprises the following steps: weighing ZIF-8, placing ZIF-8 in ultrapure water, carrying out ultrasonic dispersion uniformly, adding bromo-1-hexyl-3methylimidazole and 1-hexyl-3methylimidazole ferric chloride, keeping ultrasonic homogenization, adding FeSO4-7H2O into the mixed solution under the protection of N2 and high-speed stirring, simultaneously adding ammonia water and stirring, collecting black magneticmicrospheres by using a magnet, washing, carrying out vacuum drying, and grinding to obtain MILZIF. The synthetic method of the porous magnetic core-shell structure material synthesized by the invention is rapid by one step, and a traditional method of constructing a magnetic core at first and then constructing nano material particles on the surface is not required. A bisimidazole group is constructed through combination of ZIF-8 and IL, so that the functional groups of the material are abundant and diversified. The prepared material has magnetism and larger specific surface area, and meanwhile, is convenient to separate and recycle.

The invention discloses a 1-butyl-3-methylimidazole-tri(hexafluoroacetylacetone) cobalt (II) complex magnetic ionic liquid as well as a preparation method and application thereof. According to the method, 1-butyl-3-methylimidazole bromide and tri(hexafluoroacetylacetone) amine cobaltate complex are employed as monomers, and the 1-butyl-3-methylimidazole-tri(hexafluoroacetylacetone) cobalt (II) complex magnetic ionic liquid is prepared by using an ion exchange. The 1-butyl-3-methylimidazole-tri(hexafluoroacetylacetone) cobalt (II) magnetic ionic liquid is in a solid state at normal temperature, can be dissolved in methanol and acetonitrile, can keep a certain viscosity, and is insoluble in water. By using dispersion liquid-liquid micro-extraction technology, the liquid can directly enter a liquid chromatograph and can be simply and conveniently used for analysis and testing. Compared with common magnetic ionic liquid, the process for preparing the magnetic ionic liquid has the advantages of being simple in synthesis step, low in viscosity, obvious in color, high in thermal stability, safe, stable, good in machinability and the like. Besides, the prepared magnetic ionic liquid is easy to process, has paramagnetism, and is matched with a liquid chromatogram mobile phase, so that the application range of the magnetic ionic liquid can be expanded.

In this disclosure, a method or kit for using the method of extracting, concentrating, and detecting microbes from a sample is disclosed. The method disclosed herein use transition or rare earth metal-based magnetic ionic liquids (MILs) to extract viable microbes from a sample and to detect them via an amplification-based method and / or a non-amplification-based methods. The method and kit can be used in-field and on-site for detection of viable microbes in a sample within about an hour, without using any powered heat source or powered tool.

The invention relates to a novel application of a magnetic ionic liquid as a high-temperature magnetic seal lubricating material. The magnetic ionic liquid has low (no) vapor pressure, good heat stability and magnetic controllability. Through application of a controllable external magnetic field, the lubricating surface can be accurately filled with the magnetic ionic liquid, continuous lubrication is realized, and leakage and outside pollution can be prevented in the lubrication process. Compared with conventional magnetic lubricating materials, the magnetic ionic liquid can effectively solvethe problems of magnetic particle aggregation, sedimentation and the like as a pure substance, has the advantages of high stability, no vapor pressure and the like under the condition of high temperature and is a novel, efficient, stable, safe and environment-friendly magnetic seal lubricating material.

The invention relates to magnetic ionic liquid and particularly relates to a preparation method of the ionic liquid based on guanidine functional groups and an application of the ionic liquid in the removal of sulfur-containing organic matters in a nonpolar solution by extraction. The ionic liquid has a structure represented by a general formula (I) as shown in the specification, is typical room-temperature ionic liquid, has the advantages of very low melting point and high boiling point, low vapor pressure, good stability, very high desulfurization efficiency and high selectivity and is liquid at room temperature, the intersolubility of the ionic liquid and a non-polar solvent is very low, the desulfurization extraction equilibrium can be achieved in 3-6 minutes; and the pollution and coloring to the original non-polar solvent cannot be caused. According to the magnetic ionic liquid disclosed by the invention, when n is equal to 1.5-2, the magnetic ionic liquid has very high paramagnetism and specific magnetic susceptibility greater than 59.1*10<-6>emu / g, which is superior to the reported magnetic susceptibility. Therefore, after the extraction desulfurization is completed, the separation of the ionic liquid from the non-polar solvent can be conveniently achieved by externally applying a magnetic field. The properties of the magnetic ionic liquid can be restored by diluting with water and a carbon tetrachloride reextraction method, the magnetic ionic liquid can be repeatedly used for many times and the desulfurization efficiency cannot be significantly reduced. The recycling of the removed sulfur-containing aromatic compounds can also be achieved by virtue of vacuum distillation and enrichment.

The invention discloses a method for manufacturing a cathode of a display panel, the display panel and a display device to solve the technical problem that a light-emitting layer is damaged when a transparent cathode is formed by a sputtering process in the prior art. The method comprises a step of forming a magnetic ionic liquid layer on the surface of a substrate on which an organic functional layer is formed, and a step of forming a transparent metal oxide electrode on the surface of the substrate on which the organic functional layer is formed by using magnetically controlled sputtering with the magnetic ionic liquid layer as a buffer layer for sputtering ions.

The invention discloses a magnetic ion liquid micro-emulsion extraction agent for treating printing and dyeing wastewater. The extraction agent takes a magnetic ion liquid as a polar phase and a dyeing aqueous solution as a nonpolar phase; a micro-emulsion technique is adopted for preparing the magnetic ion liquid micro-emulsion; the defects of easiness in agglomeration and high ionic liquid viscosity of the magnetic material in a process of treating printing and dyeing wastewater can be effectively overcome; the preparation method is simple; the operation is convenient; the control is easy; the production cost is low. The magnetic ion liquid micro-emulsion extraction agent prepared according to the invention can be used for quickly and efficiently treating the dyes in the printing and dyeing wastewater and obviously increasing the extraction efficiency and reuse efficiency of the extraction agent; the magnetism of the extraction agent is utilized and a magnet is adopted for quickly separating the ion liquid from the dyes after the completion of the extraction, the recycle of the ion liquid and the enriching recycle of the dye molecules are realized and the application prospect is wide.

The invention relates to bivalent cation magnetic ionic liquids and a preparation method thereof, and belongs to the technical fields of novel chemical materials and preparation. N-alkyl imidazole, 1,m-dibromoalkane, 1,m-dicholoroalkane, ferric trichloride, lanthanide metal oxide, potassium rhodanide and aqueous solution of perchloric acid are taken as raw materials to be prepared into the bivalent cation magnetic ionic liquids with different anion structures; and compared with the conventional magnetic ionic liquid, the magnetic ionic liquids have high magnetism, magnetic controllability and higher thermal stability. The invention realizes magnetic designability of the magnetic ionic liquids for the first time, and promotes the application of the magnetic ionic liquids in the fields such as aviation, medicines, biology and the like.

The invention discloses a magnetic ionic liquid thruster. The magnetic ionic liquid thruster comprises a storage unit, a magnetic induction unit, a power supply unit and an emission unit, wherein theemission unit comprises a plurality of emitter bases, extraction electrodes and accumulation electrodes, and magnetic sprayers positioned at the outer side of the thruster; the plurality of emitter bases, extraction electrodes and accumulation electrodes have the same quantities; the storage unit is used for storing magnetic ionic liquid; the magnetic induction unit generates magnetic induction force, so that a peak is formed on the surface of the magnetic ionic liquid entering the emitter bases from the storage unit; the power supply unit is used for providing electric pulses for the emitterbases, the extraction electrodes and the acceleration electrodes; the extraction electrodes enable the peak formed on the surface of the magnetic ionic liquid to spray ions and charged liquid drops ina direction towards the acceleration electrodes under the effect of electric pulses; the acceleration electrodes are used for accelerating the movement of the ions and the charged liquid drops in a direction towards the magnetic sprayers under the effects of the electric pulses; and the magnetic sprayers are used for spraying the ions and the charged liquid drops out of the thruster to generate thrust.