88 results about "Hydrophobic ion" patented technology

A self-healing material comprises a matrix embedded with micro-pockets of a healing-agent releasable by a crack in the matrix. The healing-agent is able to bond to the matrix to repair the crack. The healing-agent is contained in microcapsules. A corresponding catalyst for the healing-agent is embedded in the matrix and contained in a plurality of microcapsules as an emulsion. The emulsion comprises an oil, a perfluorated solvent, a hydrophobic ionic liquid, or mixtures thereof. A method of manufacturing the self-healing material comprises the steps of identifying an operational temperature range of the material, providing at least one substance as the healing-agent, which substance remaining substantially in a liquid state within the operational temperature range, identifying an operational evaporation rate of the healing-agent and providing the substance with a curing time according to the evaporation rate.

The present invention provides novel chromatographic materials, e.g., for chromatographic separations, processes for their preparation and separations devices containing the chromatographic materials. The preparation of the inorganic / organic hybrid materials of the invention wherein a surrounding material is condensed on a porous hybrid core material will allow for families of different hybrid packing materials to be prepared from a single core hybrid material. Differences in hydrophobicity, ion-exchange capacity, surface charge or silanol activity of the surrounding material may be used for unique chromatographic separations of small molecules, carbohydrates, antibodies, whole proteins, peptides, and / or DNA.

The present invention provides a method for extracting and separating lithium isotopes 7Li and 6Li. The method comprises the steps of: preparing a first organic phase: evenly mixing a hydrophobic ionic liquid and a diluent in the volume ratio of 1-15:1-10 by stirring under closed condition; then adding an extractant to form a first organic phase; preparing a first aqueous phase of an aqueous solution of lithium salt with lithium ion concentration of 0.2-5.0mol / L; mixing the first aqueous phase and the first organic phase in the volume ratio of the 1-2:1-4 to form a first extraction system; severely shocking for 5-60 min, and enriching 7Li in the aqueous phase; and then conducting reextraction to obtain 6Li enriched in the organic phase. Compared with the crown ethers and pure ionic liquid system of the prior art, the system has the advantages of low operating costs and strong industry adaptability.

The invention belongs to the technical fields of solar cells, perovskite materials and photovoltaic materials, and specifically discloses a functionalized perovskite material based on novel ionic liquid and application of the functionalized perovskite material in solar cell preparing. Novel hydrophobic ionic liquid 1-methyl-N-(3-aminopropyl)-imidazole sodium hexafluorophosphate (APMIHPF6) and a preparing method thereof are introduced, and based on the combination of the novel hydrophobic ionic liquid and lead halide, a perovskite structure is formed and spin-coats dense titanium dioxide transparent thin film as a photo-anode to construct a plane heterostructure perovskite solar cell; based on a photovoltaic effect, sunlight is simulated through a xenon lamp is used as an excitation light source to achieve work and performance detection of the perovskite solar cell. Through the combination of novel hydrophobic ionic liquid 1-methyl-N-(3-aminopropyl)-imidazole sodium hexafluorophosphate (APMIHPF6) and lead halide, the perovskite structure is introduced into a perovskite material system and the prepared perovskite cell has the advantages of being convenient, simple, economical, high in stability and photoelectric conversion efficiency and the like.

The invention provides a solid-liquid extraction method for extraction separating of a lithium isotope by virtue of a sol-gel material. The method comprises the following steps: forming a mesoporous material through sol-gel by adopting hydrophobic ion liquid, loading benzo-crown ether on the mesoporous material as an extraction agent, carrying out extraction separating on the lithium isotope, extracting a solid-liquid mixture formed by different lithium saline solutions and the solid-phase sol-gel material, collecting water and solid phases, mixing the solid phase after extracting and a hydrochloric acid solution, carrying out reextraction, and collecting a water phase to obtain an aqueous solution of lithium ions, wherein a synergist is the hydrophobic ion liquid, and the extraction agent is benzo15-crown-5. At present, a lithium amalgam method is used for separating the lithium isotope, however, serious environmental safety problem is brought caused by large amount of mercury used in the production process; with the adoption of the method, as the environment-friendly ion liquid and the benzo15-crown-5 are used as the synergist and the extraction agent, respectively, the lithium salt extraction efficiency is improved, and the separation efficacy of the isotope is also high; the used sol-gel phase can be reextracted by hydrochloride, the purpose of recycling is reached, and the production cost is reduced.

The invention discloses a preparation method and application of a stratiform bimetallic oxide sorbent capable of effectively removing low-concentrated phosphate radical. According to the invention, a hydrophobic ionic liquid BmimPF6 is taken as oil phase, and N,N-dimethyl formamide (DMF) is taken as a cosolvent in a Bmim PF6 / DMF / H2O ionic liquid-in-water inverse surfactant-free microemulsion system, a small particle diameter ultrathin stratiform bimetallic hydroxide nanosheets precursor is prepared according to a double microemulsion coprecipitation method, calcination of the precursor is carried out at high temperature of 500 DEG C so as to prepare stratiform bimetallic oxides adsorbent. The obtained stratiform bimetallic oxides are 107.36-158.46 cm<2> / g in specific surface area, 8.56-11.17 nm in pore diameter, and 0.358-0.468 cm<3> / g in pore volume. The stratiform bimetallic oxides can restore and form stratiform bimetallic hydroxide nanosheets in an aqueous medium, wherein the particle diameter of nanosheets is 150-200 nm, the thickness is about 5 nm, and the distribution of particle diameters is uniform. The adsorption rate of the stratiform bimetallic oxides is far higher than that of large-grained hydrotalcite prepared from the precursor stratiform bimetallic oxides of the sorbent according to the traditional coprecipitation method.

The invention discloses a separation and enrichment method for lithium isotopes. The method comprises the steps that S1, an extracted organic phase is prepared, wherein a crown ether derivative represented as the formula A or the formula B is taken as an extraction agent, and the extraction agent, hydrophobic ionic liquid and a diluent are mixed to obtain the extracted organic phase; S2, an extracted water phase is prepared, wherein water-soluble lithium salt is prepared into a lithium salt solution, and the lithium salt solution is taken as the extracted water phase; S3, after the extracted organic phase and the extracted water phase are fully mixed and extracted, phase splitting is conducted, and a load organic phase and extraction raffinate are obtained; S4, the load organic phase is burned for 30-200 min at the temperature of 400-1,000 DEG C, and a slag phase is obtained; S5, the slag phase is dissolved with water, solid-liquid separation is conducted, and 6Li enrichment liquid isobtained; S6, the 6Li enrichment liquid is taken as the extracted water phase, and the steps of S3-S5 are repeated. The invention provides a brand new technology method without adopting the reverse extraction operation based on a crown ether extraction system. The technology method is a quick cross flow superposing multi-level cascade separation method capable of enriching the methods of conducting separation and enrichment treatment on lithium isotopes.

The invention discloses a method for extracting and separating uranyl ions from an aqueous phase. In the method, hydrophobic ion liquid serves as a diluting agent and octyl phenyl group-N, N-diisobutylamine formacyl methylphosphineoxide serves as an extracting agent so as to extract uranyl ions from an aqueous solution containing the uranyl ions. The method can be used for efficiently extracting the cesium ions from the aqueous phase, and the extracting distribution ratio can reach more than 10<3> at most. The method has a wide applicable range to different aqueous phase acidity conditions, and can be used for extracting the cesium ions from neutral conditions to 3MHNO3; ion liquid serves as a diluting agent, and phenomena which are disadvantageous to technology such as emulsification in the process of extracting the cesium ions do not exist. Ion liquid almost has no volatility, thus the system is environmental-friendly. To sum up, the method of the invention has favorable applicationprospect in the field of nuclear fuel recycling.

The invention discloses a method for extracting and separating cesium ions from an aqueous phase. In the method, hydrophobic ion liquid serves as a diluting agent and 25, 27-2(2-propoxy) calixarene [4]-26, 28-crown-6 serves as an extracting agent so as to extract cesium ions from an aqueous solution containing cesium ions. The method can be used for efficiently extracting the cesium ions from theaqueous phase, and the extracting distribution ratio can reach more than 10<3> at most. Ion liquid almost has no volatility, thus the system is environmental-friendly. The extracting system of the invention has a wide applicable range to different aqueous phase conditions and has favorable application prospect in the related field of extracting the cesium ions from high activity liquid waste.

The invention discloses a repeatably erasable photonic crystal structure color-based anti-counterfeiting film and a preparation method and application thereof. The method comprises the following steps: soaking a photonic crystal film of cellulose nanocrystalline in a mixed solution of an ionic liquid methacryloyloxyethyltrimethyl ammonium chloride, a cross-linking agent, an initiator and absoluteethyl alcohol, after illumination polymerization, covering an anti-counterfeiting film with a hollow patterned polyester film, dropwise adding a solution containing at least one hydrophobic anion of ClO4<->, Tf2N<-> or PF6<-> to obtain a structural color anti-counterfeiting film loaded with hidden patterns in a natural state, responding to obtain complete corresponding pattern information under water stimulation, and soaking the anti-counterfeiting film in a soluble chlorine salt solution so that the hidden patterns can be wiped off. According to the invention, hydrophobic ions and hydrophilicions are exchanged to prepare the anti-counterfeiting film which has high sensitivity, reversible erasing, writing, displaying and hiding functions and certain mechanical strength, so that wiping andrecoding of information are realized.

The present invention provides an ionic liquid that can widely be used as materials of various electrical devices and solvents for various reactions and that exhibits hydrophobicity causing phase separation from water, and a process for producing the ionic liquid. The ionic liquid contains at least one anion selected from the group consisting of a fluoroalkylsulfate anion, a fluorocycloalkylsulfate anion, and a fluorobenzylsulfate anion and exhibits hydrophobicity causing phase separation from water. The halide ion concentration of the ionic liquid may be 70 ppm or less.

The invention discloses a method for preparing a high-crystallinity covalent organic framework membrane by using an ionic liquid-water interface. The method comprises the following steps of: dissolving an aldehyde monomer in a hydrophobic ionic liquid to obtain a solution A; dissolving an amine monomer and an acid catalyst p-toluenesulfonic acid in deionized water to obtain a solution B; transferring the solution A into a reactor, adding deionized water to the surface of the solution A, layering, adding the solution B to the upper part of the deionized water layer, and performing a reaction for more than 3 days in the reactor under the condition of still standing at room temperature, so as tosynthesize the covalent organic framework membrane by using a double-diffusion control mechanism that the hydrogen-bond interaction of the acid catalyst and the amine monomer and the high viscosity of hydrophobic ionic liquid are utilized and the diffusion rates of the two monomers are limited at the same time. The covalent organic framework membrane prepared by the method has very high crystallinity, the specific surface area of themembrane is increased by 4 times compared with that of a covalent organic framework membrane synthesized on a traditional dichloromethane-water interface, and the solvent flux is also increased by 2 times under the condition that dye interception is not influenced.

The invention relates to a method for preparing soluble low-molecular-weight chitose via catalyzing, oxidizing and degrading chitose, belonging to the technical field of organic chemical synthesis, which comprises using chitose as material, using metal phthalocyanine dissolved in hydrophobic ion liquid as catalyst and using hydrogen dioxide as oxidant to prepare soluble chitose in a reactor. The invention has mild reaction conditions that can completely degrade chitose into soluble chitose in room temperature and low cost that eliminates adjuvants as dilute hydrochloric acid and caustic soda, while the catalyst system can be separated from reaction system and be repeatedly used.

The object of the invention is to provide a battery which has a simple structure with good durability and can continue a cell reaction smoothly. Two vessels are connected with a hydrophobic ion-permeable separator 21 interposed therebetween. An electrolytic solution comprising, an anode active material is filled in an anode vessel 22, and an electrolytic solution comprising a cathode active material is filled in a cathode vessel 23. An electrically conductive anode current collector 26 is in contact with the anode powdered active material in the anode vessel 22, and an electrically conductive cathode current collector 27 is in contact with the cathode powdered active material in the cathode vessel 23.

Hydrophobic ion pairing (HIP) is applied to solubilize proteins and / or adjuvants in an organic medium. A polymer is cosolubilized in the medium and microspheres encapsulating the protein and / or adjuvant can be produced by a single emulsion method. Microspheres prepared by this method exhibit low initial burst of the protein and gradual release over time, and elicit a strong and comprehensive immune response. Compositions comprising a protein and an adjuvant co-encapsulated in microspheres are provided.

The invention relates to a composite membrane for a lithium-air battery. The composite membrane comprises a polymer porous supporting body, a lithium ion conductive polymer, inorganic nano-particles and hydrophobic ion liquid. The membrane has a function of conducting lithium ions, and can effectively inhibit oxygen dissolved in electrolyte from permeating through the membrane, so that corrosion of oxygen to a cathode lithium chip can be prevented, and the circulating stability of a battery can be improved.

The invention relates to a super-hydrophobic material prepared by an in-situ polymerizing method and a preparation method thereof. The preparation method comprises the following steps of dissolving a hydrophobic ion liquid or an ion compound with styrene groups into an organic solvent, fully mixing and dispersing with micro-nano particles, and impregnating a substrate material into the solution; then, fetching out the substrate, putting into an oven, generating in-situ heat polymerizing reaction at certain temperature, and reacting for a period of time, so as to obtain the super-hydrophobic material. The preparation method has the advantages that the preparation technology is simple, the cost of raw materials is low, and the obtaining is easy; the special instrument equipment is not needed, the utilization rate of atoms is 100%, and the super-hydrophobic material can be widely applied to any substrate; the durability is higher, and the super-hydrophobic material can be applied to complicated separating environments; the prepared super-hydrophobic material also has the super-oleophylic characteristic, can be prepared in a large-scale way, and can be used for separating oil from water.

A lithium-air battery is provided which includes a gas diffusion layer that is at least partially filled with air, having an electrically conducting material as a cathode, an at least partially electrolyte-impregnated filter having an electronically non-conducting material as a separator, and an anode having a lithium metal, a lithium-metal alloy or lithium-oxide-metal mixture. The separator is between the anode and the cathode and the electrolyte includes a hydrophobic, ionic liquid and a lithium salt. The three phases, gaseous air, liquid electrolyte and solid conducting material, are in contact on at least one point of the gas diffusion layer. A method for producing such battery and the use of such battery in a motor vehicle are also provided.

The invention belongs to the technical field of membrane electrode preparation, and particularly relates to a hydrophilic / hydrophobic membrane electrode of ionic liquids. An anode catalyst layer is prepared from the hydrophilic proton type ionic liquid and a catalyst, and a cathode catalyst layer is prepared from a hydrophobic and oxytropic proton type ionic liquid and a catalyst. A self-humidifying membrane electrode is prepared by taking the ionic liquids with special physical and chemical properties as raw materials for preparing the catalyst layers, so that the problem that the charge transfer resistance is increased due to the fact that inorganic oxide is taken as an additive for preparing the self-humidifying membrane electrode is effectively solved; the selected ionic liquids have negligible volatility, so the ion transmission capacity and stability of the membrane electrode are greatly improved; and meanwhile, the hydrophobic ionic liquid can be adsorbed into the pore channelsof the catalyst under a high-vacuum condition through a continuous vacuumizing treatment process, so that the ionic liquid can be uniformly dispersed on each surface of the catalyst.

The invention discloses a high-throughput preparation method of therapeutic protein nanoparticles. The method comprises the following steps: firstly, converting a hydrophilic protein drug into a protein-lipid complex by using a hydrophobic ion pair method; and then diluting the protein-lipid complexes with water-soluble organic solvents, and preparing the protein nanoparticles by rapid nanoprecipitation. Compared with the traditional preparation method of protein nanoparticles, the invention has the greatest advantage that the protein nanoparticles can be continuously produced on a large scale, and the productivity can reach 1.2 g / h, which is far higher than the production capacity of the traditional preparation method of protein nanoparticles. In addition, the rapid nanoprecipitation method can be continuously produced, and the difference between batches is small, so it is suitable for industrial production. Further, the surface-coated hyaluronic acid of the protein particles preparedby the invention can impart stability and mucus penetration to the protein drug nanoparticles which can be stored for a long time. The protein nanoparticles prepared by the method of the invention have great application prospect in the aspect of in vivo delivery of protein drugs.

This invention relates to a method of using acidic, magnetic and hydrophobic ion liquid to extract penicillin, and reactor of magnetism whiping disperse system. Massfraction of penicillin in the mixture is 0.5 to 8%. The magnetic and hydrophobic ion liquid submit acidity, and massfraction of the ion liquid is 20 to 60%. The invention adopts [bmim] FeCl4 to extract penicillin, can reach 75% upwards extraction rate without acidification. The invention adopts reactor with gyrating, fluctuating magnetic stirring isolation pot, through outfield strengthening effect to realize intensive mixing and sharp separation of magnetic ion liquid and penicillin water solution; the magnetism of ion liquid realize low shearing whipping, and prevent emulsification in extraction process; the invention has no centrifugalization system after whipping, avoid biphase entrainment of traditional method; the power of this reactor is greatly less than conventional dasher, depress energy expenditure in extraction process.

This invention is directed to a hydrophobic, ionically-conductive coating for a metal surface comprising a plurality of organic surface moieties covalently bound to the metal surface, and at least one ionic liquid nanoscale ionic material tethered to at least one surface moiety.

The invention relates to an extraction device in magnetic mixing dispersion system adopting acidity hydrophobic ionic liquid with magnetic function as extractant. There is a reaction tank, of which the bottom middle part is concave. In the concave groove there is a vertical round Nd-Fe-B permanent magnet connected with the shaft of rotary motor. The outlet port for magnetic ionic liquid is set on the wall at one side of lower part of reaction tank. The inlet port for magnetic ionic liquid and inlet port for substance liquid are set on the wall at the other side. Magnetically stabilized bed coil is set on the outer side wall of upper part of reaction tank. Liquid inlet port of a ring dispersion device is docked with the port for substance liquid in the reaction tank. The magnetically stabilized bed coil controls mutual impact and condensation of magnetic ionic liquid pearls with dispersion phase. The extraction device realizes two operation states of one tower. Water solution in magnetic ionic liquid phase is in dispersion phase and ionic liquid in water solution phase is in dispersion phase. So entrainment phenomena are decreased. The device power is far lower than normal mixing device and energy consumption in extraction process is decreased.

The invention discloses a preparation method of a CoAl-LDH / PANI modified electrode. The method comprises the following specific steps of S1, preparing hydrotalcite-like LDH: preparing a mixed salt microemulsion A and an alkali microemulsion B by taking hydrophobic ionic liquids BmimPF6 and TX-100 and a water microemulsion system as media, and preparing three CoAl-LDH samples by adopting a double-microemulsion coprecipitation method according to different water contents in the microemulsions, S2, preparation of polyaniline PANI: preparing the PANI by adopting a double-microemulsion method, S3,preparation of CoAl-LDH / PANI, and S4, preparation of the CoAl-LDH / PANI modified electrode. The invention discloses a preparation method of a CoAl-LDH / PANI modified electrode, preparation of the modified electrode is carried out, the electrochemical activity of the electrode is improved, and simultaneous determination of pesticides carbaryl and isoprocarb by the CoAl-LDH / PANI modified electrode isrealized.

The invention relates to a method for high selectively extracting Artemisia vulgaris essential oil. The method comprises the following steps: (I) drying an Artemisia vulgaris raw material, and crushing into powder; (II) placing the Artemisia vulgaris powder in an extraction tank, vacuumizing to -100 kPa, pouring subcritical butane for extraction into the extraction tank as an extraction solvent, completing soaking a folium artemisia vulgaris sample by using the extraction solvent, adding an entrainer hydrophobic ion liquid [C4C10im]CF3SO3 for extraction, wherein the extraction heat is sourcedfrom a far-infrared generation apparatus arranged on the bottom of the extraction tank, and a glass viewing window is formed on the bottom of the extraction tank; and (III) pumping the liquid solventinto an evaporation tank, decompressing the liquid solvent at a constant temperature, and removing the solvent, thus obtaining the Artemisia vulgaris essential oil. The method has the advantages of simple process, low investment, high efficiency, and capability of producing the high-quality Artemisia vulgaris essential oil with high quality in an industrialization manner.

The invention provides a preparation method of flexible transparent conductive hydrophobic paper, which comprises the following steps: preparation of transparent hydrophobic conductive ink: uniformlymixing hydrophobic ionic liquid and polymerizable monomers at normal temperature, adding a photoinitiator and a crosslinking agent, and stirring a reaction solution for 1 hour to obtain a prepolymer solution, namely the transparent hydrophobic conductive ink; preparation of a transparent paper base material, namely oxidizing cellulose by using 2, 2, 6, 6-tetramethylpiperidine oxide to prepare nanocellulose, and performing vacuum filtration to prepare transparent paper; and preparation of flexible transparent conductive hydrophobic paper: uniformly coating transparent paper with the prepared transparent conductive ink, and curing under ultraviolet light to obtain the flexible transparent conductive hydrophobic paper. According to the flexible transparent conductive hydrophobic paper and the preparation method thereof provided by the invention, the surface of the transparent paper is coated with the transparent hydrophobic conductive ink layer, and then the coating is formed on the surface of the paper after photocuring, so that the paper is endowed with flexible conductive hydrophobic characteristics.

The invention discloses a method for preparing a solid phase micro-extraction fiber of a hydrophobic ionic liquid modified cellulose aerogel coating on a basalt fiber and in particular relates to a method for synthesizing cellulose aerogel on a fiber in situ by taking an ionic liquid as a hydrophobing agent and a crosslinking agent. The novel method is characterized in that the basalt fiber is selected as a carrier, and then, the cellulose aerogel is prepared on the surface of the fiber in situ by using the synthesized hydrophobic ionic liquid. The solid phase micro-extraction fiber prepared by using the method has the advantages of high mechanical strength, good coating stability and high extraction property and can be applied to enrichment analysis of trace hydrophobic components in samples on the aspects such as drugs, environments and biochemicals.

The invention relates to a recyclable material for adsorbing metal ions in wastewater. The recyclable material is prepared through copolymerizing a metal coordination monomer and an ionic liquid monomer, the metal coordination monomer is vinyl imidazole, and the ionic liquid monomer is a substance represented by one of chemical structural formulas shown in the description or is a mixture containing more of substances of the chemical structural formulas; and in the formulas, R1, R2, R3 and R4 mutually independently represent C1-18 alkyl chains, n is an integer in a range of 1-18, and X<-> is Cl<->, Br<->, I<->, NO<3><->, SO<4><2->, PO<4><3->, OH<->, PF<6><-> or TFSI<->. Hydrophilic and hydrophobic ion channels can be formed in order to enhance the metal ion adsorption ability of the material; and an adsorbed polymer can be immersed in hydrochloric acid in order to complete desorption of the metal ions, and the desorbed material can be reused to adsorb the metal ions.