136results about How to "Air stabilization" patented technology

This invention relates to materials and processes for thin film deposition on solid substrates. Silica / alumina nanolaminates were deposited on heated substrates by the reaction of an aluminum-containing compound with a silanol. The nanolaminates have very uniform thickness and excellent step coverage in holes with aspect ratios over 40:1. The films are transparent and good electrical insulators. This invention also relates to materials and processes for producing improved porous dielectric materials used in the insulation of electrical conductors in microelectronic devices, particularly through materials and processes for producing semi-porous dielectric materials wherein surface porosity is significantly reduced or removed while internal porosity is preserved to maintain a desired low-k value for the overall dielectric material. The invention can also be used to selectively fill narrow trenches with low-k dielectric material while at the same time avoiding deposition of any dielectric on the surface area outside of the trenches.

The invention relates to a catalyst which uses the phosphor-phosphamide as ligand, which is the phosphor-phosphamide ligand metallic complex of chiral ferrocenyl bone, wherein, the metal is rhodium, ruthenium, iridium, platinum or palladium; and the mol rate between the ligand and the metal precursor is 1.1:1-2.2:1. The ligand is compounded from chiral ferrocenyl to intermediate compound via several reaction steps, to be processed condensation with phosphite ester chloridate to attain the phosphor-phosphamide ligand with different chiral centers. Said ligand has new structure, stable property, simple compounding method, and wider application to the catalyst, which has higher catalysis activity (TON reaches 10000) and higher spatial selectivity (ee reaches more than 99%) in catalyzing asymmetry hydrogenization of itaconic acid, etc.

The present Invention relates a quasi-one-dimensional material with sub-micron cross-section described by the formula M6CyHz, where the M=transition metal, C=chalcogen, H=halogen, and where y and z are integers such that 8.2<y+z<10, which materials are synthesized in a Single-step procedure at temperatures above 1000° C. The present invention also concerns the use of these materials in electronic, chemical, optical or mechanical applications.

The invention relates to the technical field of lithium secondary battery additives and particularly relates to a lithium secondary battery additive, a preparation method thereof and application thereof. The additive is LibMaXc, M is B, Al, Ga, In, Y, Sc, Sb, Bi, Nb, Ta, Ti, Zr, V, Cr, Mo, W, Mn, Tc, Re, Fe, Co, Ni, Cu, Ag, Zn, Cd, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, X isF, Cl, Br or I, b is larger than or equal to 0.2 and smaller than or equal to 6, a is larger than or equal to 0.1 and smaller than or equal to 3, and c is larger than or equal to 1 and smaller than or equal to 9. The lithium secondary battery additive has the advantages of high ionic conductivity and air stability, the rapid transmission of electrode ions can be improved, the electrode loading capacity and thickness are improved, and the energy density of the battery is improved.

The invention discloses a sulfide removal method in the petrol and diesel through ionic liquid extraction, which is characterized by the following: using ionic liquid as extractive solvent; proceeding extraction at atmosphere pressure, 5-6 deg.c; applying ionic liquid from alkylate hydrohalogenate, imidazolium or imidazolium alkylation, pyridine or pyridine alkylation, sulfonium or sulfonium alkylation as positive ionic source material; taking metal halide as ionic liquid of negative ionic source. The invention can improve desulfurizing effect without decreasing petrol octane value and diesel condensation point, which can meet the increasingly harsh environmetal standard.

The invention discloses a bifunctional group ion liquid, which comprises the following steps: hydroxy and its derivant group, quaternary ammonium salt cation of sulfonic group and anion of sulfonic acid group or sulfate radical. The ion liquid is stable to meet water with fitful viscosity and low cost, which creates condition for further modified or fixed ion liquid.

Production equipment and a method of a self-adhesive layer band. A base material is treated by a base material unfolding machine, a head-tail-overlapping machine, a base material buffering adjusting bracket and a base material dryer successively, enters into a gluing pool for gluing, then enters a dryer for drying; the dried base material is rolled with an isolated film on a surface thereof by a mulch applicator, cooled by a self-adhesive layer buffering adjusting bracket and adjusted by an automatic error correcting controller; then the base material can be packaged by a product winder and finally cut into dimensions required by production specifications by a cutting machine. After gluing, the base material is dried and returns to the gluing pool for a second gluing; and base material enters into the dryer again for drying after the second gluing, so as to increase peeling intensity of a self-adhesive waterproof coiled material and bonding strength of the material with a base, accelerate drying speed and increase product quality. According to the invention, base material treatment, gluing, drying, coating, cooling, rolling and packaging can be finished in a line, so as to realizeflexible operation, high degree of automation and good product quality.

The invention relates to PNHO tridentate ligands and application of related ligands in asymmetric hydrogenation and similar reactions. The novel tridentate nitrogen-phosphine-oxygen ligands are first tridentate nitrogen-phosphine-oxygen ligands containing ferrocenyl planar chiral phosphine, and are successfully applied to high-efficiency high-selectivity asymmetric hydrogenation and other similar reactions of simple aromatic ketone, alpha-hydroxyketone and beta-ketone ester. Compared with other dominant tridentate ligands, the ligands provided by the invention have the advantages of simple synthesis route and low cost, can easily implement large-scale synthesis, are stable in air, and have high activity and high selectivity in asymmetric hydrogenation reactions of carbon-oxygen double bonds.

The invention relates to a high-speed rounded bilge type boat utilizing an air cavity to reduce resistance. The high-speed bilge type boat of the invention comprises a boat body, a propulsion system and a gas supply system arranged in the boat body, and is characterized in that the bottom surface of the boat body is provided with an inward concave air cavity; the air cavity is composed of two arcboard lateral fins; the width of the air cavity gradually increases from the head part to the tail part of the boat body, the front part of the air cavity is provided with a head platform, and the rear part of the air cavity is provided with a wedge bulge; and an air inlet used in the gas supply system to supply gas to the air cavity is arranged at the fault-step position of the head platform. The high-speed rounded bilge type boat of the invention is provided with the reasonable air cavity structure, the head platform is arranged at the front part of the air cavity, and the wedge bulge is arranged at the rear part of the air cavity, thus ensuring the stability of inlayer air in the air cavity and the resistance reducing function of the air cavity, being capable of effectively reducing frictional resistance in the sailing process of the boat body, saving fuel materials and effectively improving the propulsive efficiency.

The invention discloses an infrared second-order nonlinear optical crystal material CsHg1.5I4 and a preparation method and application thereof. The crystal space group of the optical crystal material is Cm. The optical crystal material has the advantages of large phase-matchable second-order nonlinear optical coefficients, large light-transmitting widows in a visible region and an infrared region, high thermal stability, simple operation of a synthesis method, short reaction time, moderate experimental conditions and high purity of products; in addition, high-quality and big-size crystals can be produced through a simple method of solvent volatilization; thus the optical crystal material can be widely applied in the optical field.

The invention discloses a novel organic flourescent material derived from glutamic acid, which is (S)-N-(4-cyanobenzyl)-glutamic acid that is the product of the condensation of an aromatic aldehyde and an amino acid, the complexes of the (S)-N-(4-cyanobenzyl)-glutamic acid and metal zinc and cadmium also have a fluorescent property. The synthesis method of the invention is simple. The compound prepared has high purity and stability, and is colorless or almost colorless in sunlight and emits blue fluorescent light in 330-nanometer ultraviolet light. The colorless flourescent material has counterfeiting performance.

The invention discloses an inorganic crystal compound Rb2BiI5O15 as well as a preparation method of the compound and an application of the compound as a second-order nonlinear optical crystal material. The material has the outstanding characteristics as follows: RbIO4, RbCl, Bi2O3 and H5IO6 are taken as initial reactants for the first time and the material is prepared by adopting a hydrothermal method; a relatively good second-order nonlinear optical effect capable of being subjected to phase matching is obtained; very large light-transmitting windows are formed in a visible light region and a mid-infrared light region; a band gap is relatively large and the thermal stability is relatively good; a synthetic method is easy to operate, high in raw material utilization rate, mild in experimental conditions and high in product purity; the crystal material can be widely applied to the field of optics.

The invention discloses a method for preparing propiolic acid compounds. An ionic type iron (III) complex containing monoimide functionalized imidazolium cations is taken as the single-component catalyst, carbon dioxide is taken as the carboxylation reagent, and various propiolic acid compounds are prepared through carboxylation reaction of terminal alkyne under normal pressure. The terminal alkyne substrate relates to phenylacetylene, substituted phenylacetylene, heterocyclic aryne, aromatic diyne or aliphatic series terminal alkyne. The method for preparing the propiolic acid compounds through carboxylation reaction of terminal alkyne and carbon dioxide under the catalysis of the iron-based catalyst is provided for the first time. Compared with the prior art, the method has the advantages that the catalyst is more environmentally friendly, synthesis is easier, reaction conditions are mild, and catalytic activity and functional group tolerance are unchanged or improved.

The invention discloses a flexible electroluminescent device and a preparation method thereof. The structure comprises a flexible substrate, a transparent electrode attached to the flexible substrate,a light emitting layer, a dielectric layer and a back electrode layer. The method of preparing the electroluminescent device including the transparent electrode based on a full printing process comprises steps: ink is prepared; an electrode pattern is drawn in advance; the transparent electrode layer, the light emitting layer, the back electrode layer, the dielectric layer and the like are prepared on the flexible substrate in a screen printing mode; and finally, the electroluminescent device is formed. Full printing preparation of the electroluminescent device is realized, complex processessuch as vapor deposition are avoided, the preparation cost of the whole device is reduced, various patterned preparation of the electrode can be realized, and small batches of customized preparation are particularly facilitated.

The invention provides nonlinear optical crystal iodic acid germanium lithium as well as a preparation method thereof, and application of the nonlinear optical crystal iodic acid germanium lithium asa nonlinear optical crystal material. The molecular formula of the iodic acid germanium lithium is Li2Ge(IO3)6 and belongs to a hexagonal system and a crystal space group P63. The preparation method comprises the following steps: putting a lithium-containing raw material, GeO2 and HIO3 in a mole ratio of (3-6):1:(8-15) into a hydrothermal reaction kettle, and adding distilled water; sealing the reaction kettle, heating to 220-230 DEG C, performing a constant-temperature sufficient reaction at the temperature, after the reaction is completed, leaving to stand, slowly reducing to the room temperature, performing filtration, washing, and drying, thereby obtaining an inorganic crystal compound Li2Ge(IO3)6. The method is simple to operate and gentle in experiment condition; the prepared iodic acid germanium lithium crystal is excellent in growth property, has very good second-harmonic nonlinear optical effects, is capable of achieving phase matching, has relatively high transparency in visible-near-infrared light zones and medium-infrared light zones, has relatively large band gaps and relatively good thermal stability, and can be used as a nonlinear crystal material which is widely applied to fields such as optics.

A CsCdBr3 crystal with central asymmetric structure, full transparency in visual and infrared region and high two-order non-linearity optical coefficient is prepared through dissolving CsBr and CdI2 in secondary distilled water, refluxing until solution becomes transparent, filtering, natural cooling to educe out CsCdBr3, adding secondary distilled water, thermal dissoving, putting in a thermostat at 30-60 deg.C, adding selected crystal seeds and growing for 15 days to obtain the hexaprismatic crystals.

A process for producing sugar products from grapes includes treating a solution of liquid rectified concentrated must by chromatography, to separate at least one sugar contained in it. A plant for producing sugar products from grapes comprises a plurality of columns connected together in series, each column implementing in succession all steps of the chromatographic process, but implementing steps of the process which are different from the other columns. A recirculation step is provided in passing from one step to the next.

The invention discloses a quinacridone derivative borate shown as a formula I and a preparation method and application thereof. The quinacridone derivative borate is synthesized for the first time, and small molecules and polymer which are obtained by reacting the quinacridone derivative borate with the common receptor unit are applied to an organic solar cell and a field effect transistor. The small molecules and polymer molecules containing the quinacridone derivative borate which serves as a monomer have high planarity, high solubility in the common organic solvent, and high film-forming property, can be processed into a solution, and can be used as a photoactive layer material in the organic solar cell and a charge transport layer material in the organic field effect transistor, the prepared solar cell has high open-circuit voltage and energy conversion efficiency, and the field effect transistor has high migration rate and air stability.

The invention discloses a novel inorganic compound K2BiI5O15, and a preparation method, properties and application thereof as a second-order nonlinear optical crystal material. The outstanding characteristics of the material are that KIO4, KCl, Bi2O3 and H5IO6 are adopted as initial reactants for the first time to prepare the material in a hydrothermal method; the material has a stronger phase-matching second-order nonlinear optical effect, a broad light transmitting window in the visible region and the middle infrared region, a larger band gap and higher heat stability; the preparation method is easy to operate, high in raw material utilization rate, mild in experiment condition and high in product purity; the crystal material can be widely applied in the field of optics.

The invention provides a synthetic method which uses manganese chloride as a catalyst and adopts1, 2-ethylene dichloride as a secondary oxidant to catalyze the homo-coupling reaction of a chlorine aryl compound grignard reagent, so as to further obtain a biaryl compound with the corresponding symmetric structure. In the synthesis route, the method uses various chlorine aryl compounds and activated magnesium to generate the grignard reagent, and adds the manganese chloride and the 1,2-ethylene dichloride as the catalyst and the secondary oxidant to catalyze the grignard reagent and obtain the homo-coupling reaction. The synthesis route is simple, the raw materials and the catalyst are cheap, the production rate is high, the operation is convenient, and the purification is easy. The method is applicable to agrochemicals, drugs, natural products, conduction materials and asymmetric synthesis of catalysts.

The invention provides a preparation method and application of lithium tin alloy powder for a lithium ion battery negative electrode, and the preparation method is characterized by comprising the following steps: step 1, flatly attaching tin-based foil and a lithium strip together to obtain a stacked metal sheet; step 2, in a dry and oxygen-free environment, pressing the stacked metal sheets through pressure equipment, so that the tin-based foil is completely embedded into the lithium strip, and a lithium-tin alloy metal sheet is obtained; and step 3, grinding the lithium-tin alloy metal sheetinto lithium-tin alloy powder through grinding equipment in a dry and oxygen-free environment. The particle size of the prepared lithium-tin alloy powder is 10 [mu]m-100 [mu]m, and the lithium-tin alloy powder is added into a negative electrode to supplement lithium, so that the first-circle coulombic efficiency and the cycling stability of the battery can be improved. The lithium tin alloy powder for the negative electrode of the lithium ion battery is simple in preparation operation and mature in technology, and can be used for supplementing lithium for various negative electrode materials,so that the lithium tin alloy powder has a very wide development prospect in a lithium supplementing process of the lithium ion battery.

The invention relates to a 1,2,3-triazole functionalized N-heterocyclic carbene binuclear nickel compound and a preparation method thereof and belongs to the field of organometallic chemistry. According to the 1,2,3-triazole functionalized N-heterocyclic carbene binuclear nickel compound, 1,2,3-triazole functionalized N-heterocyclic carbene is taken as a ligand, and the mole ratio of N-heterocyclic carbene to nickel is 1 to 1; the 1,2,3-triazole functionalized N-heterocyclic carbene binuclear nickel compound has a molecular structural formula shown in specification, wherein R1 is imidazole or benzimidazole, R2 is one of benzyl, n-butyl and phenyl, and X is either PF6 or BF4. The preparation method of the 1,2,3-triazole functionalized N-heterocyclic carbene binuclear nickel compound is simple, the binuclear nickel carbene compound is stable to air and moisture, and the distance among nickel atoms is relatively short, so that the compound has a metal-metal effect; by using the catalyst, cross-coupling reaction can be efficiently realized, and a variety of biphenyl derivatives can be obtained in the yield of being higher than 90%; the compound has very good functional group compatibility, is environment-friendly and can be extensively applied to fine chemical industry and pharmaceutical industry.

Disclosed herein are cobalt complexes containing pyridine di-imine ligands and chelating alkenyl-modified silyl ligands, and their use as hydrosilylation and / or dehydrogenative silylation and crosslinking catalysts. The cobalt complexes also exhibit adequate air stability for handling and manipulation.

The invention discloses an intermediate infrared nonlinear optical crystal material having the chemical formula of RbIO2F2. The crystallographic space group of the material is Pca21 and the cell parameters are as follows: a=8.567(4) angstroms, b=6.151(3) angstroms, c=8.652(4) angstroms, alpha=beta=gamma=90 degrees, and z=4. The invention also provides a hydrothermal preparation method of the crystal material. The intermediate infrared nonlinear optical crystal material prepared has a quite strong phase-matching second harmonic generation (SHG); the result of a Kurtz powder SHG test indicates that the powder SHG of the crystal material is four times that of potassium dihydrogen phosphate (KDP); the laser-damagedthreshold of the crystal material is at least 700MW / cm<2>, which is more than 23 times the laser-damagedthreshold of the existing commercial intermediate infrared nonlinear optical crystal material AgGaS2; the crystal material has a relatively wide transmission range within the visible region and the intermediate infrared region, and the complete transmission waveband is 0.29-12 microns; the crystal material contains no crystal water, and is stable in air and good in thermal stability; in addition, a single crystal material can be prepared by use of a simple solvent evaporation method.

The invention discloses inorganic non-linear optical crystal sodium iodobismuthate, and preparation and application thereof. The chemical formula of the inorganic matter is NaBi(IO3)4, the molecular weight is 931.57, the inorganic matter belongs to a monoclinic system, the crystal space group is Cc, and the cell parameters are as shown in the description; the compound can be obtained through a hydrothermal synthesis method at the temperature of 210 to 250 DEG C, the operation is simple, and the experiment condition is mild; the crystal of the inorganic compound has a relatively high second-order nonlinear optical effect, and phase matching can be realized; and the compound has relatively high transparency in visible-near-infrared light zones and medium-infrared light zones, has relativelylarge band gaps and relatively high thermal stability, and can be used as a nonlinear optical crystal material which can be widely applied to the fields such as optics.

The invention discloses low-temperature archaized glaze and a preparation method thereof. The preparation method comprises the following steps: Step A, preparing a low-temperature frit; Step B, preparing glaze slip: mixing the low-temperature frit, a colouring agent, potash feldspar, quartz, calcite, talcum, calcium phosphate, a deodorant, a negative ion compound and an antibacterial compound to obtain mixed powder, adding sodium tripolyphosphate and carboxymethyl cellulose into the mixed powder and uniformly mixing, grinding, and adding water to obtain the glaze slip; and Step C, uniformly applying the glaze slip onto a green body, putting the green body into a reducing atmosphere furnace, carrying out thermal insulation and naturally cooling to room temperature so as to obtain the low-temperature archaized glaze. In comparison with existing archaized glaze, the manufactured archaized glaze in the invention has advantages of scientific batching, reasonable preparation, pure color and stable performance. Through reasonable cooperation of the deodorant, the negative ion compound and the antibacterial composite material, the archaized glaze has excellent antibacterial antifouling and air purification characteristics. According to the invention, the application range of the archaized glaze is further widened.

The invention discloses a method for electrochemical synthesis of acyl phosphate. Specifically, in an electrochemical reaction system, platinum electrodes are respectively used as a positive electrodeand a negative electrode, a small amount of electrolyte is added, dialkyl phosphite and a derivative thereof are used as phosphoric acid sources, carboxylic acid and a derivative thereof are used asacyl sources, and the system is enabled to react for 6 hours under the condition of a continuous current of 10mA at room temperature; and after the reaction is finished, the solvent is pumped out, andcolumn chromatography separation is carried out according to a volume ratio of petroleum ether to ethyl acetate being 7: 1 to obtain acyl phosphate. According to the method, based on electrochemicalreaction, carboxylic acid and dialkyl phosphite react, acyl phosphate can be obtained in one step, reaction raw materials are stable to air, cheap and easy to obtain, the synthesis process is simple,and the operability is high; the reaction can be carried out without metals and oxidants, and the obtained by-product is hydrogen which is environment-friendly.

The invention discloses a synthesis method and application of cage compounds. The cage compounds is Schiff base compounds prepared by carrying out amine-aldehyde condensation on a didentate Ni(II) Salen-(R1-R1) ligand and tridentate tri(2-R2-ethyl)amines. The Ni(II) Salen-(R1-R1) ligand is prepared by the following steps: carrying out reaction on brominated salicylaldehyde and ethylenediamine to synthesize a Salen ligand, adding a nickelous salt to carrying out coordination so as to obtain a Ni(II) Salen catalyst, and finally, adding p-formacyl phenylboronic acid to carry out coupling. The obtained cage compounds can be used for catalyzing the oxidization of thioanisole, ethyl phenyl sulfide, dibutyl sulfide, dibenzyl sulfide and other thioethers at higher activity and selectivity to generate sulfoxide products.

The invention discloses a middle-infrared nonlinear optical crystal material. The chemical formula of the crystal material is KBi4F13, the crystal space group of the material is I-4, and cell parameters are characterized in that a is 0.92027(19)nm, b is 0.92027(19)nm, c is 0.62589(13)nm, alpha = beta = gamma = 90DEG, and Z is 2. The invention also provides a hydrothermal preparation method of the crystal material. The middle-infrared nonlinear optical crystal material prepared in the invention has a phase matching second harmonic generation (SHG) effect, and a Kurtz powder frequency multiplication test result shows that the powder frequency multiplication effect of the crystal material is same to that of potassium dihydrogen phosphate (KDP); the laser damage threshold of the powder is 120MW / cm<2>, and is above 23 times the laser damage threshold of present commercial middle-infrared nonlinear optical crystal materials AgGaS2; the middle-infrared nonlinear optical crystal material has a wide permeable range in visible light region and middle-infrared light region; the middle-infrared nonlinear optical crystal material has the advantages of no crystal water, stability to air, and good heat stability; and monocrystalline materials can be prepared through the hydrothermal method.