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 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 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 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.

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 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 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 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.