2110results 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.

Polymer particles are provided having (1) a core with a glass transition temperature within a range of −50° to +110° C. and (2) a shell surrounding the core. The core comprises at least one layer, with the layer(s) comprising at least one polymerized hydrophobic monomer and, optionally, a first cross-linker. The shell comprises a copolymerized mixture of least one hydrophobic monomer and at least one hydrophilic monomer and a second cross-linker for increasing thermal shear stability by forming cross-linkages. Use of these polymer particles in aqueous-based ink-jet inks provide laser print quality without any secondary treatment.

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 C5-45 aromatic ketone or aromatic aldehyde with a C6-15 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.

The invention provides a double-component polyurethane water-based paint, belonging to the field of organic polymer compounds. The double-component polyurethane water-based paint comprises isocyanate curing agents component A and component B, wherein the molar ratio of OH groups of a polymer in the component A to NCO groups in the component B is 1: (1-2.2); and the component A contains polymer aqueous dispersion and polymer emulsion, wherein the content of OH in the polymer aqueous dispersion is 2.0-5.0% and the grain size of latex in the polymer aqueous dispersion is 10-100nm, the weight of the polymer emulsion is 0.05-16 times that of the polymer aqueous dispersion, the content of OH in the polymer emulsion is 0-2.0%, and the grain size of the latex in the polymer emulsion is 80-500nm. In the invention, the polymer aqueous dispersion which has small average grain size and contains -OH and the polymer emulsion which has large average grain size are compounded, wherein the latex with a large grain size can increase the roughness and unevenness of a film and reduce the gloss of the film, and the emulsion with small particles promotes the latex with the large grain size to aggregate, reduces the lowest film-forming temperature of the film, improves the film-forming capability of the film and decreases the usage amount of a film-forming additive; and the hardness, chemical-resistance and wear-resistance of the film are improved by using two different water-based polymers are used for compounding.

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 composition of water emulsion electromagnetic wave shielding paint is composed of (by weight portion) 20-60 portions of water soluble film-forming resin, 20-60 portions of conducting filler, 30-100 portions of pure clean water, 1-5 portions of thickening agent and 1-5 portions of film-forming adjuvant, and its preparation process includes the following steps: (1) drying conducting filler, controlling temp. at 50-80 deg.C until the conducting filler is become into powder; (2). mixing the dried conducting filler together with film-forming adjuvant, film-forming resin and pure clean water orclean running water and grinding by using grinding machine; and (3) adding thickening agent and regulating the paint to make it have a certain viscosity.

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.

Disclosed is an aromatic diamine derivative represented by the following general formula (I), which has a chrysene structure in which a phenyl group having a substituted or unsubstituted silyl group is a substituent for an amino group. Also disclosed is an organic electroluminescence device including an organic thin film layer formed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic diamine derivative by itself or as a component of a mixture, the device having a long lifetime and high luminous efficiency. (In the formula, R1 to R10 each independently represent a hydrogen atom, an alkyl group having 1 to 50 carbon atoms, or the like, and R11 represents a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms or the like, and at least one of A, B, and C represents a substituted or unsubstituted silyl group, and the others each represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, or the like, a, b, c, and d each independently represent an integer of 1 to 5.)

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 relates to a darkening and coloring finishing agent of dyed cotton fabrics and a preparation method thereof. The darkening and coloring finishing agent of the dyed cotton fabrics is prepared by mixing an organic polysiloxane emulsion and methyl hydrogen-contained silicone oil shown in structural formulas in a ratio of 100 to 5-10, wherein R1=-CH2CH2CH2NH2 and / or -CH2CH2CH2NHCH2CH2NH2 and / or -CH2CH2CH2NHCH2CH2NHCH2CH2NH2, R3=-OH and / or -CH3, X=4-6000, Y=1-100 and Z=1-100. The invention has favorable darkening and coloring effects on the dyed cotton fabrics; and the treated dyed cotton fabrics have soft and smooth hand feeling and good washability without remaining substances harmful to human bodies.

The invention discloses pre-mixed flour of mochi bread with prolonged shelf life, mochi bread and a preparation method thereof. The pre-mixed flour of mochi bread comprises the following components: 30 to 50% of modified starch, 5 to 10% of water-milled glutinous rice flour, 7 to 13% of non reducing sugar, 6 to 10% of sugar alcohol, 1.8 to 3.8% of edible colloid, 2 to 3% of edible emulsifier, 1 to 3% of salt, 1 to 3% of full-cream milk powder and 20 to 30% of self-raising flour. To produce the mochi bread from the pre-mixed flour of the mochi bread, the pre-mixed flour of the mochi bread is uniformly mixed with whole eggs, water, syrup and soybean oil to obtain the required properties, and then the mixture is baked to obtain the mochi bread without fermentation. The preparation method of the mochi bread is simple, and the prepared mochi bread has honeycomb internal phase and is softer than the common bread and not sticky; moreover, the shelf life of the mochi bread is obviously prolonged that the mochi bread can be stored for a month at normal temperature.

Polymer particles are provided having (1) a core with a glass transition temperature within a range of -50 to +110° C. and (2) a shell surrounding the core. The core comprises at least one layer, with the layer(s) comprising at least one polymerized hydrophobic monomer and, optionally, a first cross-linker. The shell comprises a copolymerized mixture of least one hydrophobic monomer and at least one hydrophilic monomer and a second cross-linker for increasing thermal shear stability by forming cross-linkages. Use of these polymer particles in aqueous-based ink-jet inks provide laser print quality without any secondary treatment.

An aqueous-dispersing composition of synthetic resin (A) having an intrinsic viscosity "eta" of from 0.3 to 2.0 measured at 35° C. in a methyl ethyl ketone solvent or a mixture of that aqueous dispersion and an aqueous dispersion of synthetic resin (B) having an intrinsic viscosity "eta" of not less than 0.6 which is larger by 0.3 or more than the intrinsic viscosity "eta" of the synthetic resin (A) when the intrinsic viscosity is measured at 35° C. in a methyl ethyl ketone solvent. The aqueous-dispersing composition and the mixture have improved film forming property and can give a coating film being excellent in chemical resistance, water resistance, mechanical properties and further hot water resistance.

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 invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery electrolyte and a lithium ion battery. The lithium ion battery electrolyte comprises a lithium salt, a non-aqueous organic solvent and an additive, wherein the additive comprises a functional additive A and an auxiliary additive, the functional additive A is provided with at least two sulfonic acid estersil groups or the functional additive A is provided with at least one sulfonic acid estersil group and at least one phosphoric acid estersil group or boric acid estersil group. The lithium ion battery prepared by the lithium ion battery electrolyte is excellent in positive / negative film formation, and the requirements of long cycle lifetime, good rate performance and adaptability to high- and low-temperature environment of the battery under high voltage are met.

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.

The present invention provides a planar electroluminescence (EL) device comprising a substrate layer, an electrode layer, a light emitting layer, and a modulating layer, wherein the electrode layer comprises a plurality of electrodes arranged on a same level over the substrate layer, and there is no contact between adjacent electrodes. In one embodiment, the device further comprises a hole injection layer (HIL), a hole transport layer (HTL), an electron injection layer (EIL) and an electrode transport layer (ETL). In one embodiment, the light emitting layer comprises organic light emitting polymers or organic light emitting molecules. The device of the present invention would emit light when liquid, polar component, or conductive solution is written directly on the light emitting layer. In one embodiment, the device can emit light for prolonged period when the light emitting layer is coated or deposited with conductive material.

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.

The invention discloses a low temperature self-crosslinking acrylate emulsion with a core-shell structure as well as a preparation method and application thereof. The preparation method comprises the following steps: weighing the following materials in parts by weight: 30-40 parts of shell monomer, 0.8-1.2 parts of emulsifier and 7-14 parts of deionized water, and dispersing the materials to prepare a pre-emulsified shell monomer; weighing 0.2-0.5 parts of initiator and 10-18 parts of deionized water to prepare a shell initiator liquid, keeping temperature at 70-80 DEG C, simultaneously dropwise adding the pre-emulsified shell monomer and the shell initiator liquid into a core-layer emulsion within 2-3 hours so as to prepare a shell-layer emulsion, reacting at the constant temperature for 2-4 hours, cooling, and regulating the pH value. The acrylate emulsion prepared by the invention is environment-friendly, low in cost and simple in production process, and has the characteristics of self-crosslinking at a low temperature (40DEG C), high adhesion, good water tolerance, excellent anti-adhesion and the like; the emulsion can be used as a water-based ink binder so as to be compounded with a water-based color paste to obtain PP / PE (Propen Polymer / Poly Ethylene) film water-based ink.

The invention discloses a quinonoid compound modified nylon membrane biological carrier and a preparation method and application thereof and belongs to the field of environmental engineering, chemical engineering and materials engineering. By adoption of the technical scheme, a quinonoid compound is fixed to a nylon membrane with excellent pore structure properties and amino active groups through a chemical grafting method, and a quinonoid compound modified nylon membrane biological carrier which is large in quinonoid grafting amount, high in water scouring resistance, stable in mechanical performance, free in biological toxic properties and high in catalytic efficiency is prepared and is applied to biodegradation and bio-denitrification of azo dyes. The quinonoid compound modified nylon membrane biological carrier has the beneficial effects that the preparation method is simple, and the reaction time and cost are saved; the carrier bonding is stable, and the catalytic efficiency is high. In addition, for a microbial denitrification process, the nylon membrane has high toughness and high biocompatibility, is easy to hang, has the characteristic of forming a stable microbial community and is suitable for industrial production and popularization and application.

The invention discloses an excellent and efficient carbon fiber biofilm carrier modification method and aims to improve water treatment performance of carbon fibers used as biofilm carrier materials. A basic raw material is the carbon fibers; the modification method mainly comprises steps as follows: firstly, acid oxidation treatment is performed on the carbon fibers, so that surfaces of the carbon fibers are ensured to have sufficient functional groups for preparation for iron carrying; then an organic iron solution is used as a modifying agent, surface modification is performed on the carbon fibers with a liquid phase impregnation method, and an organic-iron-modified carbon fiber biofilm carrier material with the surface containing the iron element is prepared. The preparation method is simple and easy to implement, prepared organic-iron-modified carbon fibers can keep original excellent performance of the carbon fibers, the surface roughness and the hydrophilicity are significantly improved, the film colonization cycle is short, the microbial activity is improved, time required for water treatment is short, removal rates of COD, ammonia nitrogen and total phosphorus are obviously increased, the outgoing water quality is good in stability, and the reuse rate is higher.

The invention discloses an anti-corrosion super-hydrophobic heat reflecting paint and a preparation method thereof. The anti-corrosion super-hydrophobic heat reflecting paint is prepared from the following raw materials: modified nano TiO2, modified nano SiO2, micron TiO2 and / or SiO2, fluorocarbon resin, a solvent, a curing agent, a defoaming agent, a wetting dispersant and a flatting agent. After experiments, the heat reflecting rate of the obtained product reaches 90 percent or more, the water contact angle reaches 145 degrees or more, and the product can meet the requirements on a coating under outdoor severe environments.

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 AxByCz as described herein.