226results about How to "Good film-forming properties" patented technology

Disclosed is a method for delivery of at least one therapeutic agent from an angioplasty balloon for treating vascular disease at a bifurcated vessel. The invention also relates to the method of loading the beneficial agents onto the balloon and the device, as well as the method of delivery of the agents from separate surfaces. The invention also relates to a method of loading multiple beneficial agents onto the balloon surfaces

Disclosed is an interventional device for delivery of therapeutic agents from an angioplasty balloon and from a prosthesis such as an intraluminal stent. The invention also relates to the method of loading the beneficial agents onto the balloon and the device, as well as the method of delivery of the agents from separate surfaces. The invention also relates to an interventional device having a prosthesis surface that is loaded with a first beneficial agent, and a balloon surface loaded with a second beneficial agent. The invention also relates to a method of loading multiple beneficial agents onto the prosthesis surfaces and the balloon surfaces, and to a method of manufacturing an interventional device for the delivery of a first beneficial agent and a second beneficial agent from separate surfaces.

Disclosed is a method for delivery of at least one therapeutic agent from an angioplasty balloon for treating vascular disease at a bifurcated vessel. The invention also relates to the method of loading the beneficial agents onto the balloon and the device, as well as the method of delivery of the agents from separate surfaces. The invention also relates to a method of loading multiple beneficial agents onto the balloon surfaces

The invention discloses lithium secondary battery overcharge protection electrolyte and a lithium secondary battery. The electrolyte contains electrolyte lithium salts, non-water organic solvents, film forming additives and overcharge protection additives, wherein the film forming additives are at least one kind of materials from TMSP (tris(trimethylsilyl) phosphate) and DTD (dioxathiolane 2,2-dioxide); the overcharge protection additives comprise oxidation and reduction shuttle type overcharge protection additives. The overcharge protection additives used in the electrolyte do not take part in any reaction process at the normal work voltage of 2.75 to 4.35V; when the battery charging voltage exceeds 4.4V, the oxidation and reduction shuttle type overcharge protection additives generate oxidation and reduction shuttle current distribution and voltage limitation on the surface of an electrode; the voltage is controlled to be within a range; the intense decomposition of the electrolyte inside the battery due to too high voltage can be avoided; further, the occurrence of safety problems of combustion, explosion and the like of the battery can be prevented.

The invention discloses a non-aqueous electrolyte of a high-nickel ternary lithium ion battery and a high-nickel ternary lithium ion battery containing the electrolyte, which relates to the technicalfield of lithium ion batteries. The high nickel ternary lithium ion battery electrolyte comprises an electrolyte lithium salt, a non-aqueous organic solvent and a film forming additive. The film forming additive comprises vinyl sulfate and a phosphate ester compound having a structure of formula (I), optionally further comprising a conventional negative electrode film forming additive. The phosphate ester additive can form a protective film on the surface of the positive electrode material, thereby avoiding the generation of cracks in the NCM particles during the circulation process, reducingthe dissolution of transition metal elements at high temperature, and improving the normal temperature circulation performance, high temperature circulation performance and high temperature storage performance of the battery.

It is to provide an aqueous polyurethane dispersion which gives a coating film excellent in abrasion resistance.It is an aqueous polyurethane resin dispersion which comprises a polyurethane resin obtained by reacting (A) a polyurethane prepolymer which is obtained by reacting (a) a polyisocyanate compound, (b) a polyol compound containing a polycarbonate polyol having an alicyclic structure, and (c) a polyol compound having an acidic group, and (B) a chain elongating agent having a reactivity with the isocyanate group of (A) the polyurethane prepolymer, being dispersed in an aqueous medium, a content of an alicyclic structure is 26.0 to 60.0% by weight in terms of a solid component(s), and a sum of a content of an urethane boding and a content of a urea bonding is 17.7 to 30.0% by weight in terms of a solid component(s).

The invention belongs to the technical field of a lithium ion battery, and particularly relates to an electrolyte applicable to a silicon carbon negative and a lithium ion battery comprising the electrolyte. The electrolyte comprises an electrolyte lithium salt, a non-aqueous organic solvent and an additive. Wherein the additive comprises a negative film formation additive, a fluorine-substitutedphenyl isocyanate compound additive with a formula I structure and a dosilane nitrogen-based compound additive. Compared with the prior art, the actual discharging capability, the cycle stability andthe high-temperature storage performance of a silicon carbon negative electrode lithium ion battery are effectively improved by means of a synergic effect generated by combined application of variousadditives, gas generation is prevented, the problems of volume expansion and pole plate pulverization of the battery during the charge-discharge process are solved very well, and meanwhile, the electrolyte is compatible with relatively good high- and low-temperature performance.

The invention provides a self-cleaning film agent for exterior wall paint, a preparation method and an application method thereof. The preparation method for the self-cleaning film agent is mainly characterized in that: the preparation method comprises the following steps of: taking nanometer titanium oxide composite collosol as a reference; dispersing the collosol in an alkaline aqueous solution after adding an anionic surfactant or a non-ionic surfactant with a mass percent of between 0.1 and 10 to form a transparent and stable dispersion system; and finally adding a certain number of film forming substances into the system to obtain the self-cleaning film agent for the exterior wall paint. The self-cleaning film agent is applied to the surface of the exterior wall paint for secondary coating through a spray coating method or a roller coating method or a brush coating method, and a film is formed at a normal temperature, thereby forming a multifunctional coating with stain and ultraviolet irradiation resistance and air cleaning performance on the external surface of the paint. As the method has the obvious advantages of good performance, simple process, convenient construction, durable effect, environmental friendliness, etc., the method can be applied to various exterior wall paints in a large scale.

The invention discloses a preparation method of a carbon-coated single crystal ternary cathode material. The method includes: (S1) sintering a single crystal ternary cathode material precursor in oxygen atmosphere to prepare a precursor oxide; (S2) crushing the precursor oxide into primary granules; (S3) performing first sintering and secondary sintering to the dissociated precursor oxide and a lithium source to obtain a single crystal ternary cathode material substrate; (S4) preparing a mixed solution from the organic carbon source and a plasticizer, and adding the single crystal ternary cathode material substrate to the mixed solution, performing spray drying and collecting the product, organic-coated single crystal ternary cathode material; (S5) sintering the organic-coated single crystal ternary cathode material in an inert gas atmosphere, and crushing the product to obtain the carbon-coated single crystal ternary cathode material LixNi<1-y-z>CoyMnzO2 / C, 1 <= x <= 1.1, 0 < y <= 1 / 3and 0 < z <= 1 / 3. The single crystal ternary cathode material is coated with the carbon completely and uniformly, so that electronic conductivity and cyclic performance of the single crystal ternarycathode material are enhanced.

The invention relates to a method for separating corncob cellulose by using ionic liquid. According to the invention, an ionic liquid 1-allyl-3-methylimidazole chlorine salt is synthesized with raw materials of allyl chloride and 1-methylimidazole; and with the high solubility of the ionic liquid upon cellulose, the ionic liquid is used for separating and extracting cellulose in corncob. The method comprises the steps of corncob pretreatment, lignin removing, cellulose separation, cellulose extraction, and the like. The extraction rate of corncob cellulose is approximately 18.35%. With the method, the purity of the extracted corncob is high, and the film-forming property of the cellulose is good. According to the invention, a green solvent which is the ionic liquid is used as a dissolving medium. The solvent can be recovered and reused, such that the requirement of green production is satisfied.

The invention discloses a surface self-cleaning carbon nitride Fenton-photocatalytic nanofiltration membrane and a preparation method thereof and belongs to the fields of water treatment membrane materials and preparation processes of the water treatment membrane materials. The method comprises selecting carbon nitride photocatalysts which integrate plasticity of polymer molecules and chemical stability of carbon materials and performing surface modification, chemical modification, Fenton-like agent compounding and the like to prepare a multifunctional water treatment membrane. On the one hand, inter-element triangular nanopores formed by carbon nitride can provide stable natural channels for rapid passage of water molecules; on the other hand, through irradiated catalytic degradation andiron-containing agent Fenton-like oxidation, in-situ degradation of nanofiltration retained pollutants can be achieved. The surface self-cleaning carbon nitride Fenton-photocatalytic nanofiltration membrane provides a new way for solving the problem of membrane contamination difficult for traditional nanofiltration membrane materials and has the advantages of being simple in preparation method, low in cost, resistant to pollution, low in water mass transfer resistance and the like, thereby being applicable to application to the field of water purification.

The invention relates to the technical field of lithium ion batteries, and discloses non-aqueous electrolyte for ternary lithium ion batteries and a nickelic lithium ion battery comprising the electrolyte. The non-aqueous electrolyte for ternary lithium ion batteries comprises electrolyte lithium salt, a non-aqueous organic solvent and a film-forming additive, wherein the film-forming additive comprises a compound with a structure in formula (I). The additive with the structure in formula (I) is capable of forming uniform and compact protection films on the surfaces of ternary materials, so asto decrease oxidation reaction of the electrolyte on the surfaces of battery materials; the formed SEI films are stable and compact, so that the increase of AC impedance of the batteries in the cycling process is decreased and the cycling performance of the batteries is improved; and the HOMO energy of the films is slightly higher than ethylene carbonate, so that the films can be oxidized and decomposed on the surfaces of anodes in prior to ethylene carbonate, thereby inhibiting the decomposition reaction of the electrolyte solvent and playing a positive role in enhancing the cycling performance of NCM / graphite batteries at a high temperature of 45 DEG C.

The invention relates to a diaphragm with a stereoscopic composite structure and a preparation method and application thereof. The diaphragm with the stereoscopic composite structure comprises an organic diaphragm substrate, the ceramic layer is coated on single surface or double faces of the organic diaphragm substrate; the diaphragm further comprises a continuous polymer layer transversely and longitudinally penetrating the organic diaphragm substrate and the ceramic layer hole and surface; the organic diaphragm substrate and the ceramic layer are integrated through the continuous polymer layer; and the continuous polymer layer is formed by dipping the organic diaphragm substrate coated with the ceramic layer in a polymer solution or spraying and blade-coating the polymer solution on the organic diaphragm substrate coated with the ceramic layer. The diaphragm with the stereoscopic composite structure disclosed by the invention is excellent in comprehensive performance, has good innovation and practicability, and has good industrial application prospect.

The invention discloses a light-cured compound colour paste composition for pigment printing, a preparation method and a processing method, relating to the technical field of textile dyeing and printing. The composition comprises acrylate copolymer, terminated epoxyl siloxane, an epoxyl siloxane hybrid, a photoinitiator and an organic pigment. The preparation method and the processing method comprise the following steps: adding acrylate copolymer into a container; then, sequentially adding terminated epoxyl siloxane, the epoxyl siloxane hybrid, the photoinitiator and the organic pigment and sufficiently stirring, wherein each reaction raw material is uniformly stirred after being added; and processing a fabric with the prepared composition, and then, performing crosslinking fixation for 1 minute under the conditions of 300 W / cm of ultraviolet intensity and 16 cm at height. The composition disclosed by the invention is used for pigment printing, the fabric processed by the composition is soft in hand feeling, high in wear resistance and fastness to washing and resistant to water, and the composition is good in colour paste stability and high in curing speed and can be widely applied to fabric dyeing and printing.

The invention belongs to the technical field of lithium ion batteries, particularly to a non-aqueous electrolyte and a lithium ion battery containing the same. The non-aqueous electrolyte comprises alithium salt, a non-aqueous organic solvent and additives, and the additives comprise a compound additive A having a structure represented by a formula I, a compound additive B having a structure represented by a formula II, and a film forming additive. Compared with the prior art, the non-aqueous electrolyte for the lithium ion battery, through the synergistic effect of the compound additive A, the compound additive B, the film-forming additive and a lithium salt additive, has excellent film-forming performance on the surface of the electrode, effectively improves the thermal shock performance of the lithium ion battery, has good cycle performance, can effectively improve the high-temperature storage performance, and gives consideration to the dynamic performance of the lithium ion battery.

The invention belongs to the field of solar cells, and specifically relates to a perovskite solar cell. The perovskite solar cell comprises a transparent conductive electrode layer, a hole transport layer, a perovskite light absorption layer, an electron transport layer, a hole blocking layer and a metal electrode layer which are sequentially arranged from the bottom up, wherein the hole transport layer is prepared by adopting rubrene or a composite material of PEDOT:PSS and rubrene, and the thickness ratio of PEDOT:PSS and rubrene is 5:(3-5). Compared with the prior art, the perovskite solar cell is higher in conversion efficiency and higher in open-circuit voltage.

The invention provides a high-energy-density lithium-ion battery electrolyte prepared from, by weight, 20-60% of lithium salt, 20-60% of a non-aqueous organic solvent and 0.5-10% of an additive, all the components adding to 100%. The lithium salt includes lithium hexafluorophosphate, lithium bifluorosulfonimide and lithium sulfate difluoroborate. The electrolyte is very short in self-extinguishingtime and is even incombustible, wherein the additive has excellent film-forming effect, so that an SEI film, having ultralow resistance and high thermo-stability, can be formed between cathode-anodeinterfaces.

The invention discloses an electrolyte for improving the low temperature performance of a lithium ion battery and a lithium ion battery comprising the same. The electrolyte comprises conductive lithium salt, a non-aqueous organic solvent, and additives, wherein the additives include a conventional negative electrode film forming additive, an additive with the structure of Formula I, and an anhydride-type compound additive with the structure of Formula II. According to the battery electrolyte provided by the invention, under synergistic effects among the additive with the structure of Formula I, the anhydride-type compound additive with the structure of Formula II, a nitrogen-containing lithium salt type additive and the conventional negative electrode film forming additive, the electrolytethus has excellent film forming performance on the electrode surface, the cycle performance and the rate performance of the lithium ion battery in a low temperature condition can be effectively improved, and the high temperature cycle performance and the storage performance of the battery are little affected.

A film forming apparatus is provided with a processing container (2) for storing a semiconductor wafer (W); a substrate placing table (5) arranged inside the processing container (2) for placing the semiconductor wafer (W); a shower head (40) arranged at a position facing the placing table (5) as a processing gas blowing mechanism for blowing out a processing gas into the processing container (2); and an exhauster (101) for exhausting inside the processing container (2). The substrate placing table (5) is provided with a placing table main body (5a), and a heat blocking body (200), which is arranged on the placing table main body (5a) in a region outside a region where the semiconductor wafer (W) is placed, and reduces heat diffusion from the placing table main body to the shower head (40).

The invention discloses a preparation method of an oxide semiconductor film, relating to the field of a thin film transistor. The preparation method comprises the following steps of: (1) preparing pecursor solution; (2) preparing reaction solution, adding a catalyst with an OH or OR group into the pecursor solution, agitating and fully dissolving to obtain the reaction solution, and (3) preparing the oxide semiconductor film. The invention also discloses the oxide semiconductor film prepared by the method, the thin film transistor including the oxide semiconductor film and the preparation of the thin film transistor. According to the preparation method of the oxide semiconductor film, the reaction process of preparing the semiconductor film by a solution method is changed by adding the catalyst into the pecursor solution, and the problems that the performance of the thin film transistor is not ideal and the carrier mobility is low due to effects of factors such as the film-forming property of the pecursor on the oxide film prepared by the solution method in the prior art are solved.

The invention discloses a method for producing an organic electroluminescence device. The method comprises the followings steps: frirstly, conducting polymer or conducting polymer nano-particle composite materials are formed on the anode of a device, and are used as the hole injection layers of the device; and secondly, other functional layers and membrane electrodes of the device are produced. The conducting polymers in the hole injection layers include conducting polymers and nano-particles thereof, and the device has the characteristics of high electrical conductivity and good membrane planeness. The method can not only be used for producing the organic electroluminescence device with the advantages of high luminous efficiency and long service life, but also can be applied to the fields of backlights, luminance light panels, and the like for color LED display.

The invention discloses a novel textile size and a preparation method of the novel textile size. The novel textile size comprises the following components in parts by weight: 20-35 parts of methyl acrylate, 5-8 parts of butyl acrylate, 10-20 parts of acrylic acid, 3-6 parts of methyl methacrylate, 20-30 parts of isopropyl alcohol, 4-6 parts of sulfuric acid, 3-5 parts of dibutyl phthalate, 0.1-0.3 parts of hydroxymethyl cellulose and 60-80 parts of water. Compared with the prior art, the novel textile size and the preparation method have the following beneficial effects that (1), the novel textile size has excellent affinity and permeability to hydrophobic fibers; (2), the novel textile size has stronger adhesive power to fibers; (3); the novel textile size has excellent film forming characteristic and can increase the wearing resistance of warp yarn; (4), the solubility is excellent and the textile is easy to de-size; and (5), the wrap yarn breakage rate of a weaving machine can be reduced and the noil and size shedding size shedding of a fabric machine are reduced.

In a Cu wiring manufacturing method, a MnOx film which becomes a self-formed barrier film by reaction with an interlayer insulating film of a substrate is formed on a surface of a recess formed in the interlayer insulating film by ALD. A hydrogen radical process is performed on a surface of the MnOx film to reduce the surface of the MnOx film. A Ru film is formed by CVD on the surface of the MnOx film which has been reduced by the hydrogen radical process. A Cu-based film is formed on the Ru film by PVD to be filled in the recess. When the Ru film is formed, a film-formation condition of the MnOx film and a condition of the hydrogen radical process are set such that nucleus formation is facilitated and the Ru film is formed in a state where a surface smoothness is high.

The invention discloses a polyimide film. The glass transition temperature is 360 to 380 DEG C, the tensile strength is 200 to 220 MPa, and the average linear expansion coefficient within the range of50 to 300 DEG C is 18 to 20 ppm / K; the chemical component of the polyimide film is polyimide, and the structural formula of the polyimide is as shown in the following formula I (the formula I is as shown in the description), wherein n and m represent the polymerization degree of the polymer, m to n is 3-1 to 17-3, and n is an arbitrary positive integer. The polyimide has excellent film-forming characteristic, the polyimide film has superhigh heat resistance and mechanical strength, particularly the polyimide film has the average linear expansion coefficient nearly close to that of a copper foil within a certain high temperature range.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a battery electrolyte additive, an electrolyte containing the additive and application of the electrolyte. The lithium ion battery electrolyte additive provided by the invention consists of a fluorosulfonic acid compound with a structural formula I and a cyclic acid anhydride compound with a structural formula II, and the electrolyte comprises an electrolyte lithium salt, a non-aqueous organic solvent and the additive, wherein the additive contains a negative electrode film-forming additive, thefluorosulfonic acid compound with the structural formula I and an acid anhydride compound with the structural formula II. The fluorosulfonic acid compound with the structural formula I and the acid anhydride compound with the structural formula II can form a stable and compact interface protection film on the surface of a positive electrode material; dissolution of metal ions in the positive electrode material under the high-temperature condition is inhibited, the high and low temperature performance, the rate capability, the cycle performance and the service life of the lithium ion battery are effectively improved, and the problem that the temperature performance of the battery cannot be considered in the prior art is well solved.

The invention discloses a peach gum composition. The peach gum composition comprises 30-50 parts of a peach gum extracting solution, 15-20 parts of trehalose and 35-50 parts of glycerine. A preparation method of the peach gum extracting solution comprises the steps of (1) mixing peach gum raw materials with water to obtain a peach gum mixed solution; (2) heating the peach gum mixed solution to 60-90 DEG C, and maintaining the temperature for 1-3h; and (3) filtering the mixed solution in the step (2), wherein filtrate is the peach gum extracting solution. The peach gum composition has favorableand timely moisturizing efficacy, and besides, has notable effects of resisting oxidation, improving skin roughness and resisting inflammation. After being used, the peach gum composition can enablethe skin to be soft, fine and smooth. The preparation method of the peach gum composition is simple in technology and low in cost, the extraction efficiency is high, and product safety is good. Besides, the peach gum composition has favorable filming properties, can realize lubrication and be skin-friendly, can be used as raw materials for skin-care products, and can be widely applied to skin-careproducts of various preparations, such as emulsion, cream, lotion and jelly.

The invention discloses a porous pro-lithium copper foil current collector material and a preparation method thereof, and belongs to the technical field of lithium batteries. The porous pro-lithium copper foil current collector material has double layers which are an outer cladding layer and an inner cladding layer respectively. The outer cladding layer is made of a nitrogen-doped carbon material,and the inner cladding layer is made of a copper oxide nanosheet. The copper oxide nanosheet is grown on a copper foil current collector. The copper foil is used as the base of a conductive current collector, and is oxidized in an oxygen-containing atmosphere so as to grow a pro-lithium CuO nanosheet having a certain thickness and simultaneously generate a porous shape, increase the specific surface area of the material, and contribute to the uniform deposition of metallic lithium. Further, dopamine is self-polymerized on the porous pro-lithium CuO nanosheet copper foil current collector. After carbonized, the polydopamine is converted from noncrystalline carbon to crystalline carbon to coat the CuO nanosheet, which significantly increases the electrical conductivity and the structural stability of the pro-lithium CuO nanosheet.

The invention provides a polyvinyl alcohol anion-exchange membrane and a preparation method thereof. The polyvinyl alcohol anion-exchange membrane is prepared from quaternary polyvinyl alcohol, polydimethyldiallylammonium chloride, tetraethoxysilane and a cross-linking agent, wherein the weight ratio of the quaternary polyvinyl alcohol to the polydimethyldiallylammonium chloride is 1: (0.1 to 0.6). The polyvinyl alcohol anion-exchange membrane prepared by the preparation method provided by the invention is good in selective adsorption and high in adsorption capacity for chromium ions, free from secondary pollution after adsorption, as well as environment-friendly in raw materials and preparation process.