33results about How to "Improve impregnation rate" patented technology

The invention relates to a high-density electrode, comprising an electrode active substance and carbon fiber having a filament diameter of 1 to 1,000 nm, wherein the porosity of the electrode is 25% or less. According to the invention, electrolytic solution permeability and electrolytic solution retainability, which are matters of importance in realizing a high-density electrode for achieving a battery having a high energy density, can be improved.

The invention relates to a high-density electrode, obtained by impregnating a high-density electrode which comprises an electrode active substance and carbon fiber having a fiber filament diameter of 1 to 1,000 nm and has a porosity of 25% or less, with a solid polymer electrolyte; and to a battery including the resultant (high-density) electrode. According to the invention, electrolytic solution permeability and electrolytic solution retainability, which are matters of importance in realizing a high-density electrode for achieving a battery having a high energy density, can be improved.

Disclosed are a reinforced composite membrane for fuel cells including a porous support comprising three-dimensionally irregularly and discontinuously arranged nanofibers of a polymer and a first ionic conductor, and a second ionic conductor filling pores of the porous support, wherein the first ionic conductor is present as nanofibers in the porous support or is present in the nanofibers of the polymer to form the nanofibers together with the polymer, and a membrane-electrode assembly for fuel cells including the same. As a result, impregnation uniformity and impregnation rate of the ionic conductors are improved and proton (hydrogen ion) conductivity is thus enhanced.

This method for producing wet wipes includes the following steps: a step for vertically folding non-woven cloth sheets; a step for impregnating the sheets with a chemical; a step for stacking the sheets; a step for cutting the sheets at predetermined lengths; a step for pulling the cut sheets away from a transporting conveyer provided with a suction mechanism by means of a pusher, and stacking the cut sheets; a step for pressing a bundle comprising the sheets; and a step for packaging the bundle. The pusher is disposed between the transporting conveyers. The blades of the pusher have a plurality of tooth sections. The pusher drops the sheets suctioned to the transporting conveyer downwards by means of moving vertically downwards.

The invention discloses a method for preparing a ramie-form SiC ceramic/Al-based composite material, comprising the following steps of: firstly, pre-treating ramie fibers; then performing vacuum and pressure impregnation of SiO2 sol on the pre-treated ramie fibers so as to obtain a ramie/SiO2 precursor; then performing anoxic and aerobic compound calcination on the ramie/SiO2 precursor so as to obtain ramie-form porous SiC ceramic precast body; and finally, performing vacuum and pressure impregnation on the ramie-form porous SiC ceramic precast body so as to obtain the ramie-form SiC ceramic/Al-based composite material. The ramie-form SiC ceramic/Al-based composite material prepared with the method in the invention has the advantages of light weight, shock absorbability, sound absorbability and good antifriction wear resistance and can be used for reducing thermal expansion coefficient and density, thereby having a wider application prospect.

The invention discloses equipment and a method for producing a fabric-enhanced composite board. The equipment comprises a powder spraying device, a preheating device, a laminating device, a cutting device and a brake device, wherein the brake device comprises a plurality of uncoiling parts, a coiling part and a supporting roller; the supporting roller is arranged between the uncoiling parts and the coiling part; the powder spraying device comprises a plurality of powder spraying heads, the powder spraying heads are arranged between the uncoiling parts and the supporting roller, the number of the powder spraying heads is greater than the number of the uncoiling parts, and the powder spraying heads are respectively arranged between the adjacent uncoiling parts and at both sides of each uncoiling part. The equipment has the advantages that by arranging the powder spraying device, both surfaces of each layer of continuous fiber fabric are sprayed with resin powder, so that the impregnatinguniformity and operability of both sides can be well controlled, and the warp is effectively improved.

The invention discloses a copper-impregnated carbon contact strip material and a preparation method of a copper-impregnated carbon contact strip, and belongs to the technical field of carbon contact strip preparation. The preparation method of the copper-impregnated carbon contact strip comprises the following steps: performing stirring on a carbon contact strip material, performing kneading, placing the kneaded material in a three-dimensional net structure pressing mold constructed by metal wires, performing pre-pressing treatment, performing solidification treatment and performing roasting treatment to obtain a carbon contact strip; and performing pickling treatment on the carbon contact strip, and performing immersion treatment in a copper solution to obtain the copper-impregnated carbon contact strip. The copper-impregnated carbon contact strip material comprises the following raw materials: 30-45 parts of petroleum coke powder, 26-32 parts of pitch coke powder, 5-10 parts of natural graphite powder and 6-9 parts of artificial graphite powder. The method for preparing the copper-impregnated carbon contact strip provided by the invention can easily realize impregnation in the copper solution without adding high temperature and high pressure, the impregnation rate of the copper solution is high, and the copper-impregnated carbon contact strip prepared by the method has high electrical conductivity, mechanical properties and wear resistance.

Provided are: a thermoplastic resin-coated reinforcing fiber composite yarn, which has excellent resin-impregnation properties during molding, with which moldings of excellent properties can be produced even in short-time molding, and which, as a yarn, has excellent softness and excellent handling in weaving and knitting; a production method for said composite yarn; a continuous fiber-reinforced resin molding; and a production method for a composite material molding.

A composite material includes an SiC porous ceramic sintered body, which is formed by preliminarily sintering a porous body, having a coefficient of thermal expansion lower than the coefficient of thermal expansion of copper to construct a network therein. A copper alloy impregnating the porous ceramic sintered body includes copper and one or more additive elements which are prepared to impart a coefficient of thermal conductivity of 160 W/mK or higher to the composite material. The additive elements include up to 5% of at least one element selected from Be, Al, Si, Mg, Ti, Ni, Bi, Te, Zn, Pb, Sn, and mish metal, and also contain unavoidable impurities and gas components.

The embodiment of the invention discloses a pure-plane solid wood floor and a production process thereof. The pure-plane solid wood floor comprises a floor block body and lock catch structures arranged on the peripheral sides of the floor block body. The lock catch structure comprises a male tenon component and a female tenon component, the male tenon component is located on the side face of a male tenon, the female tenon component is located on the side face of a female tenon, the surface of the floor block body is directly connected with the side face of the male tenon and the side face of the female tenon, and after assembly, the upper edge of the side face of the male tenon abuts against the upper edge of the side face of the female tenon. The floor has the advantages that the floor isconvenient to clean and sanitary, and the integrity and attractiveness of a pavement surface are facilitated.

The present invention prevents unevenness in the amount of impregnation by a predetermined chemical and prevents a decrease in ease of removal resulting from increasing the rate of impregnation by the predetermined chemical. A press device (15) has: a plurality of rollers (201, 202, 203); press belts (204a, 204b) wound around the plurality of rollers (201, 202, 203); and conveyor belts (205, 206) that convey a stacked body (800). At least one roller from among the plurality of rollers (201, 202, 203) drives the press belts (204a, 204b) at a predetermined speed of conveyance and in a predetermined direction of conveyance. The press belts (204a, 204b) are disposed with a gap in an intersecting direction (CD) perpendicular to the conveyance direction (MD) that is such that the press belts (204a, 204b) can contact both end portions (800A, 800B) of the stacked body (800) in the intersecting direction (CD).

The invention provides a low-temperature ultra-fine desulfurizing agent, and belongs to the technical field of desulfurizing agents. The desulfurizing agent comprises 50-90 parts by mass of a carrier, and 10-50 parts by mass of an active component, wherein the carrier is a porous composite comprising aluminum oxide and silicon oxide; the active component comprises one or a plurality of copper oxide, manganese oxide and zinc oxide. The desulfurizing agent is prepared by ultrasonically soaking the carrier in a saline solution of the active component after the carrier is treated by soaking and pickling through acid liquid and drying, and then drying and decomposing at high temperature. According to the low-temperature ultra-fine desulfurizing agent, the silicon-aluminum composite carrier is low in manufacturing cost, easy to form, high in stability, high in resistance to acid corrosion, developed in pore channel structure, and high in one-time soaking rate; the carrier is pickled, so that the specific surface area of the carrier can be further increased, and as a result, the dispersing performance of the active component on the carrier can be improved, the quantity of the active component loaded on the carrier is increased, and the desulfurizing effect of the desulfurizing agent is effectively improved.

A method for producing a blade member 1 includes an impregnation step of impregnating at least a portion of a surface of a blade portion 11 made of a polyurethane rubber with a surface treatment liquid that includes a salt of diazabicycloundecene and a carbodiimide-modified polyvalent isocyanate compound including a carbodiimide-modified polyvalent isocyanate dimer and a carbodiimide-modified polyvalent isocyanate trimer or higher multimer, in which a content of the trimer or higher multimer is 50% by mass or less, and a cured layer formation step of heating and curing the carbodiimide-modified polyvalent isocyanate compound which is impregnated into the blade portion 11, to form a cured layer 110.

Provided is a cluster ionizer for a vehicle. The cluster ionizer uses a needle electrode and includes a case, and a housing disposed in the interior of the case. An ion generating element for generating positive ions and negative ions by applying a driving voltage, and a winding coil and a circuit board for generating the driving voltage that is applied to the ion generating element are mounted in the interior of the housing having a hollow housing part that is communicated with the outside of the housing and is blocked from the interior of the housing. A needle electrode that has sharp part, opposite ends of which are formed sharply to have two needle shapes as the ion generating elements, and a substantially T-shaped protection part extends between the sharp parts so that a direction physical contact with the sharp parts is interrupted.

The invention provides a conductive polymer dispersion for a capacitor and a capacitor packaging structure. The invention discloses the conductive polymer dispersion for the capacitor. The conductivepolymer dispersion comprises a conductive polymer, a dispersant and an additive, wherein the conductive polymer dispersion is tested by an ultraviolet-visible spectrometer to obtain a transmission spectrum which has a first characteristic peak between 350 nm and 450 nm and a second characteristic peak between 300 nm and 400 nm. The conductive polymer dispersion can be effectively applied to the electrode body of the capacitor so that the electrical characteristics of the capacitor packaging structure can be improved.

The present invention relates to a sliding bearing that can be appropriately applied to equipment loaded with high surface pressures since the bearing is manufactured such that the lubrication characteristics of the inner surface of a sintered-body-type sliding bearing are optimized.