2107results about How to "Improve film formation" patented technology

An air cooled airfoil used in a gas turbine engine includes a showerhead arrangement to cool the leading edge. A cooling supply cavity supplies cooling air to the airfoil, and is metered into an impingement cavity through at least one metering hole from the cooling supply cavity. A plurality of second impingement cavities are located between the first impingement cavity and the leading edge, and each second impingement cavity includes at least one second metering hole to meter cooling air into the second impingement cavity. Each second impingement cavity includes a plurality of film cooling holes to discharge cooling air to the leading edge surface of the airfoil. The second impingement cavities are located adjacent to each other, with one on the leading edge, another on the pressure side, and the third on the suction side.

The present invention provides for emissive materials comprising compounds of specific chemical structure, and electroluminescent devices comprising such emissive materials.

A radiation-sensitive composition containing a resist compound A, an acid generator B, and an acid crosslinking agent C. The resist compound A is (a) a polyphenol compound which is produced by the condensation of a C_5-45 aromatic ketone or aromatic aldehyde with a C_6-15 compound having from 1 to 3 phenolic hydroxyl groups, and, (b) its molecular weight is form 300 to 5000. The radiation-sensitive composition is solvent-soluble and exhibits a high sensitivity, high resolution, and high heat resistance.

A gel polymer electrolyte according to the present invention comprises a polymer selected from the group consisting of vinyl acetate copolymer, poly(ethylene/vinylacetate/carbon oxide: EVACM), and poly(ethylene/vinylacetate/maleic acid anhydride: EVAMA); an inorganic filler; and a liquid electrolyte that a lithium salt is dissolved in an aprotic solvent. It is preferable that the polymer material in a gel polymer electrolyte according to the present invention is in the range of 20 to 30% by weight, the inorganic material filler is in the range of 5 to 20% by weight, and the liquid electrolyte is in the range of 60 to 80 % by weight. As a specific functional group which has a high compatibility with a liquid electrolyte in the present invention is contained in the polymer material, a lithium ion becomes to move with ease in electrolyte, and the ionic conductivity is over 0.5 mS/cm which is the demand level of a gel polymer electrolyte. Also, it provides the gel polymer electrolyte material with a high film formability, a good property of containing an electrolyte, a good adhesion, and a good mechanical strength.

The invention relates to a novel method for preparing a perovskite thin film. The novel method comprises a step of carrying out organic amine processing on a prepared perovskite precursor thin film, thereby preparing the perovskite thin film. According to the invention, the preparation technology is simple; cost is low; surface roughness of the thin film is low; crystallinity is high; and the novel method is applicable for preparing a large number of highly-efficient perovskite solar cells, light emitting diodes, light sensing elements and laser devices.

The invention discloses a water-based metal cutting liquid. The water-based metal cutting liquid is prepared from raw materials in percentage by mass as follows: 2%-7% of an antirust agent, 0.2%-2% of a corrosion inhibitor, 10%-20% of organic alkali, 20%-45% of an oleate lubricant, 2%-7% of amide, 2%-6% of an emulsifier, 4%-9% of an oiliness agent, 0%-5% of a coupling agent, 0%-3% of a softener, 1%-5% of a sterilizing agent, 0.1%-2% of a defoaming agent and the balance of water. The water-based metal cutting liquid provided by the invention contains no sulfur, phosphorus, chlorine or boric acid and is efficient, environment-friendly and recyclable.

There are disclosed an organic electroluminescent (EL) device composition that includes a compound (A) having a perylene ring and a compound (B) having a diketopyrrolopyrrole skeleton, and an organic EL device that includes a pair of electrodes consisting of an anode and a cathode, and one or more organic layers including a light-emitting layer formed between the electrodes, at least one of the organic layers being a layer formed from the organic EL device composition. Furthermore, there are disclosed an organic EL device composition that includes a compound (C) having, as a solid film, a fluorescence spectrum peak wavelength of 550 nm or longer, and a compound (D) having, as a solid film in which Compound (D) is contained at 5 wt % in Compound (C), an area at a wavelength of 600 nm or shorter in a fluorescence spectrum region of 500 to 800 nm of 20% or less of the entire area, and an organic EL device including a light-emitting layer formed from this composition.

The invention belongs to the lithium ion battery technical field, discloses an anode aqueous binder of a lithium ion battery and a preparation method thereof. The preparation method of the anode aqueous binder of the lithium ion battery comprises follow specific steps: successively adding reactivity emulsifier, water soluble acrylic acid monomers, oil soluble acrylic acid monomers and initiator solution, mixing evenly, taking the mixture as base solution, heating up to initiate polymerization, keeping stirring, dripping the mixture of the water soluble and oil soluble acrylic acid monomers and the initiator solution, reacting, thus preparing the anode aqueous binder of the lithium ion battery. According to the anode aqueous binder and the preparation method of the invention, the problems that the anode aqueous binder of the lithium ion battery is high in viscosity and low in dispersion efficiency are solved; and the anode aqueous binder of the lithium ion battery prepared by the invention is low in viscosity and dosage, has excellent dispersion performance in electrode materials such as graphite and has excellent battery capacity exerting performance and cycle performance.

The present invention relates to a process for coating a polyolefin or metal substrate by coating a polyolefin or metal substrate with a composition containing urethane (meth)acrylic resin [A] obtained by reacting a diisocyanate trimer (a1) and (meth)acrylate containing a hydroxyl group (a2) and exposing radiation to cure the coated surface, in which the composition containing urethane (meth)acrylic resin [A] contains a compound having a carboxyl group. Also, the present invention relates to a laminate having a layer structure of a top coat layer, a layer of a composition containing urethane (meth)acrylic resin [A], obtained by reacting a diisocyanate trimer (a1) and (meth)acrylate containing a hydroxyl group (a2), and a polyolefin layer.

The invention relates to a novel modified emulsified paraffin concrete curing agent. Aiming at overcoming the defects that the existing concrete curing agent cannot reach the industrial standard on building material in terms of the water retention property and is unfavorable for environmental protection, the price is high and the decoration at later stage is also affected, the following technical proposal is provided: the curing agent is mixed with the following materials and water: 10-20% of vinyl acetate-ethene high molecular polymer emulsion, 0-5% of silicone resin modified acrylic polymer emulsion, 50-75% of paraffin emulsion, 0.1-0.5% of colloidal dispersing agent of the emulsified paraffin for stabilizing the emulsion state and 0.05-0.02% of special defoamer for emulsion. The invention has the beneficial effects that: the chemical curing method which is adopted for retaining water is an innovation for the traditional curing method; compared with the prior art, the method is labor-saving, time-saving and water-saving and is convenient to operate, can improve the film formation ability and the sealing ability of the emulsified paraffin emulsion, and can improve the bonding and absorbing capacity of the emulsified paraffin emulsion on the concrete surface, which leads the effective water retention rate of the coating film to reach more than 90%.

The invention discloses an edible soy protein casing film, which is prepared from the following raw materials in percentage by weight: 10 to 20 percent of water, 40 to 45 percent of soy protein, 25 to 30 percent of collagen, 4 to 8 percent of glycerol, 5 to 10 percent of polyvinyl alcohol, 3 to 6 percent of edible fiber, and 0.3 to 0.8 percent of glutaraldehyde. The process for preparing the casing film comprises the following steps: 1) extracting and refining the soy protein; 2) blending and modifying the soy protein; 3) extruding and shaping the soy protein; and 4) curing, drying and plastifying the soy protein. The soy protein casing has high nutritive value, high tensile strength, high elongation, steam resistance, good product quality, and meets the requirements of stuffing sausages in various flavors.

An aqueous composition for forming a micro-fluid jet printable dielectric film layer, methods for forming dielectric film layers, and dielectric film layers formed by the method. The aqueous composition includes from about 5 to about 20 percent by 65 weight of a polymeric binder emulsion, from about 10 to about 30 percent by weight of a humectant, from about 0 to about 3 percent by weight of a surfactant, and an aqueous carrier fluid. The aqueous composition has a viscosity ranging from about 2 to about 6 centipoise at a temperature of about 23° C.

The general multifunctional foam fire-extinguishing agent consists of plant protein 0.8-30 wt%, sugar 0.8-30 wt%, hydrocarbon surfactant 1-12 wt%, fluoric surfactant 0.1-5 wt% and additive 5-20 wt%, except water. The general multifunctional foam fire-extinguishing agent may be used to extinguish fire of alcohol and other polar chemical matter and/or light oil, heavy oil and other non-polar chemical matter. The general multifunctional foam fire-extinguishing agent contains no corrosive chemical matter, and has self-cleaning property, capacity of prolonging the service life of the fire-extinguishing equipment, no toxicity and no harm to human body and no environmental pollution.

A glass cleaning agent contains alcohol, a surfactant and water, as well as a solubilizer and a corrosion inhibitor which can be selectively contained, wherein, the cleaning agent further contains a siloxane/alkylene oxide cross-linked matter. The addition of the water-soluble siloxane/alkylene oxide cross-linked matter can enhance the film-forming performance of alcohol solvents, improve anti-static effect and effectively prevent glass from hanging fog at low temperature.

The invention relates to highly weather-resistant lead-free catalyst alkyd resin finish, which comprises the following compositions with the contents (weight): 55 to 75 percent of alkyd resin, 10 to 20 percent of pigment, 3 to 5 percent of a film forming additive, 3 to 5 percent of a drier, 0.3 to 1.0 percent of an anti-skinning agent, and the balance being a petroleum solvent (based on 100 percent of the total weight). Compared with the prior art, the alkyd resin finish has excellent weather resistance, can be repaired in an on-line mode, more adapts to flow coating of the prior containers, and forms a continuous coating membrane when the finish is coated on the outer surfaces of the containers; and the coating membrane has more excellent weather resistance and more durable color retention, and is more environment-friendly due to the fact that used film forming materials do not contain heavy metals.

A capacitor and a method of making a capacitor, is provided with improved reliability performance. The capacitor comprises an anode; a dielectric on the anode; and a cathode on the dielectric wherein the cathode comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented by Formula A_xB_yC_z as described herein.