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315results about How to "Uniform conduction" patented technology

Silica gel based carbon material oriented heat conduction interface material and production method thereof

The invention relates to a silica gel based carbon material oriented heat conduction interface material. The material comprises components in percentage by weight as follows: 9.5%-20% of siloxane-based resin with the viscosity being 200 cp-2,000 cp, 19.5%-35% of heat conductive filler, 35%-70% of an anisotropic carbon material and 1%-10% of an auxiliary agent and is prepared with a stirring and curing production method. The silica gel based carbon material oriented heat conduction interface material has the advantages as follows: according to the heat conductive interface material prepared by mixing the siloxane-based resin with the viscosity being 200 cp-2,000 cp, the heat conductive filler, the anisotropic carbon material and the auxiliary agent, the anisotropic carbon material mixed in gel is orientated through electric fields on upper and lower surfaces, longitudinal orientation of the carbon material is realized, the conduction path of the heat conductive material is in the direction where the large heat conduction coefficient is large, and the heat conduction performance is realized to the maximum; with the addition of the heat conductive filler, the defect that the heat conduction performance of the carbon material in direction, perpendicular to the orientation direction, of the carbon material, namely, in the horizontal direction of mixed gel, is poor after the anisotropic carbon material is orientated is overcome, balanced conduction of heat is guaranteed, and a production method is simple.
Owner:PINGHU ALLIED IND

Graphine composite electric conduction agent for iron phosphate lithium battery and preparation method thereof

The invention discloses a graphine composite electric conduction agent for an iron phosphate lithium battery, and simultaneously discloses a preparation method of the electric conduction agent. The electric conduction agent provided by the invention consists of graphine, active carbon and a bonding agent in a weight ratio of 1:(0.001-0.1):(0.01-1). The preparation method comprises the following steps: 1) preparing a solution A; 2) preparing a solution B; and 3) preparing the electric conduction agent. According to the invention, the preparation method is simple, the prepared electric conduction agent has the advantages of uniform dispersion, good stability, high electron conduction capability and uniform heat conduction, and the electric conduction agent has higher liquid absorption and liquid protection capabilities when being doped into the iron phosphate lithium battery; and the electric chemical property of the iron phosphate lithium battery which is prepared by adopting the electric conduction agent provided by the invention is improved prominently, compared with the iron phosphate lithium anode material in which the composite electric conduction agent is not doped, when the prepared graphite composite electric conduction agent is doped into the 50AH iron phosphate lithium anode material, the alternating current internal resistance is reduced by 20%, and the circulating service life is improved by 15%.
Owner:JIANGSU LENENG BATTERY INC

Method for producing one-dipping two-baking anode carbon block

The invention discloses a method for producing one impregnating two calcining anode carbon blocks, which is on the basis of producing common anode carbon blocks and comprises following steps: selectively using calcined coke, adding a little antioxidant additive, preheating a common anode under the temperature of 280-330DEG C for 18-24 hours, then, hoisting in a high pressure impregnation tank, filling impregnating pitch whose temperature is 160-180DEG C under the vacuum pressure of 0.09-0.094MPa, pressurizing 1.55-1.6MPa, maintaining the pressure for 3-5 hours, hoisting out and cooling to normal temperature, then, calcining for 200-220 hours under the temperature condition that the maximum temperature is 800-900DEG C according to a heating curve, cooling, and then cleaning up to obtain a new one impregnating two calcining anode carbon block. Since the pitch is filled in an air vent of the anode, the mechanicalness and the physical and chemical properties of the anode carbon blocks are newly changed, the bulk density and the compressive strength are increased, the porosity is lowered, the resistivity is lowered, the activity of the binder coke and the activity of aggregate tend to be consistent, the speed of selective oxidation is lowered, the voltage drop of the anode carbon blocks is lowered, and the using period of the anode is prolonged.
Owner:WEN COUNTY DONGFANG CARBON

Compound-type metal roof thermal-insulation waterproof coating and preparing method thereof

The invention relates to a compound-type metal roof thermal-insulation waterproof coating and a preparing method thereof. The compound-type metal roof thermal-insulation waterproof coating is composed of a surface layer coating and a base layer coating. The surface layer coating is prepared from water, dispersing agents, antifoaming agents, pigment, hollow glass beads, inorganic-thixotropy thickening agents, inorganic filler, silicone-modification acrylic emulsion, acrylic emulsion, film forming assistants, pH value regulation agents, thickening agents and antifreeze agents; the base layer coating is prepared from water, dispersing agents, antifoaming agents, pigment, heat-conducting functional filler, inorganic-thixotropy thickening agents, inorganic filler, acrylic emulsion, pH value regulation agents, thickening agents and antifreeze agents. Compared with the prior art, the problems that bonding of a present waterproof material and a metal base material is not firm, aging is prone to occurrence and the service life is limited are solved, and the compound-type metal roof thermal-insulation waterproof coating has the advantage of integrating water proofing, protection, rust protection and thermal insulation.
Owner:上海北新月皇新材料集团有限公司

Spirally wound electrochemical water treatment reactor

The invention discloses a spirally wound electrochemical water treatment reactor. The spirally wound electrochemical water treatment reactor comprises a vertically-arranged long-barrel-shaped shell; the interior of the shell is reaction space; the shell is provided with a water inlet and a water outlet connected with the reaction space; an electrocatalytic oxidation assembly is arranged in the reaction space in the shell and divides the reaction space located between the water inlet and the water outlet; the electrocatalytic oxidation assembly is formed by compounding and spiral winding of a positive electrode layer, a positive / negative electrode insulating layer, a negative electrode layer and a supporting layer; the positive electrode layer and the negative electrode layer are both of a net structure; and the distance between the negative electrode layer and the positive electrode layer is in a range of effective distances allowing an electrocatalysis reaction to occur between the negative electrode layer and the positive electrode layer. The structure of the reactor provided by the invention is beneficial for saving space, enlarging a reaction area, increasing gas-liquid polyphase mass transfer efficiency and realizing high-efficiency, long-acting and low-consumption treatment of pollutants in water.
Owner:CHONGQING XINHE QIYUE TECH CO LTD

Extremely-thin flexible heat-radiation film and method for manufacturing the same

The invention, which relates to the electronic material field, discloses a flexible heat-radiation film and a method for manufacturing the same. The heat-radiation film comprises a carrier film, a protection film layer, and at least one heat radiation layer group arranged between the carrier film and the protection film layer. The heat radiation layer group includes a heat-radiation adhesive film layer for horizontal heat transferring and a heat-radiation metal film layer at least being superposed on one surface of the heat-radiation adhesive film layer ad being used for longitudinal heat transferring, so that the heat radiation layer group having bidirectional heat transferring is formed. The heat-radiation adhesive film layer is made from raw materials including magnetic high-thermal-conductivity powder and resin. For the heat-radiation metal film layer, a material source is processed by a physical means to form atoms or molecules and then the atoms or molecules are deposited on the surface of the heat-radiation adhesive film layer. According to the heat-radiation film, the operation becomes simple; and the formed film layers are light, thin and compact. The flexible heat-radiation film can be applied to various electronic products and communication equipment.
Owner:广州宏庆电子有限公司

Temperature control disc

The invention provides a temperature control disc. The temperature control disc is mainly used for solving the technical problem of thin film failure due to relatively low heat exchange efficiency and yield of the existing semiconductor coating equipment and not-uniform wafer temperature. The temperature control disc mainly comprises three parts, namely an upper heating disc body, a lower heating disc body and a heating disc base. The parts are connected by virtue of welding. The temperatures of the heating disc and the wafer are controlled by use of a medium and a heat conducting gas; each part has a different structure, so that medium channels and heat conducting gas channels of the heating disc can be formed, and furthermore, the temperature of the heating disc can be controlled; the temperature control disc is cooled and heated by use of a medium; and due to the circulation of the medium, the temperature of the heating disc is controlled; the medium channels are distributed inside the heating disc. The temperature control disc is reasonable in structure; the heat conducting gas inlet structure of the temperature control disc is capable of fully charging the heat conducting gas between the heating disc and the wafer quickly and evenly so that the temperature of the heating disc can be transferred to the wafer quickly and evenly or the temperature of the wafer can be quickly transferred to the heating disc for dissipation. The temperature control disc can be widely applied to the technical field of semiconductor thin-film deposition.
Owner:PIOTECH CO LTD

Temperature control system of semiconductor coating device

A temperature control system of a semiconductor coating device comprises a heating disc of an integrated structure. The interior of the heating disc is not of an ordinary heating wire structure while a medium pipeline is arranged to control the temperature of the heating disc. According to the heating structure, the medium pipeline is adopted to be arranged inside the heating disc in a casting mode or corresponding grooves are machined in a machining mode, and then the medium pipeline is welded in the heating disc. The medium pipeline structure is arranged according to vortexes, the medium pipeline is arranged evenly as much as possible, and therefore the temperature control can be better achieved. An air inlet channel is arranged in the middle of the heating disc, a heat transferring medium enters the part between the heating disc and a wafer, and a certain air gap is formed between the heating disc and the wafer; due to the fact that the heat conduction effect of the heat transferring medium is good, the heat of the heating disc can be rapidly and evenly conducted to the wafer, or the heat of the wafer is rapidly conducted to the heating disc to be conducted out. By means of the reasonable ventilation structure design, the heat transferring medium can rapidly and evenly flow in the gap, and heat exchange of the heating disc and the wafer is achieved in time.
Owner:PIOTECH CO LTD

Municipal rainwater pipeline assembly module and construction method

The invention relates to a municipal rainwater pipeline assembly module. The municipal rainwater pipeline assembly module is characterized by comprising a plurality of module single bodies, wherein each module single body comprises an arc-shaped supporting base with an upward opening; each supporting base is clamped with a spigot and socket pipe attached to the supporting base; first supporting plates and second supporting plates are respectively hinged on the two sides of the opening of each supporting base; first bearing plates and second bearing plates are respectively fixed at the tail ends, away from hinge points, of the first supporting plates and the second supporting plates; and when the first supporting plates and the second supporting plates rotate to an inclined state that eachfirst supporting plate and the corresponding second supporting plate are close to each other, each first bearing plate and the corresponding second bearing plate are positioned above the correspondingspigot and socket pipe and abut against each other. According to the technical scheme, the pressure above each spigot and socket pipe is conducted in a conducting mode, so that the pressure above thespigot and socket pipe is reduced, the spigot and socket pipe is protected, the service life of the rainwater pipeline assembly module is prolonged, the whole assembly module is more convenient to install, and the support capacity is stronger compared with an existing protection mode of additionally installing a support device.
Owner:山东港基景华市政园林有限公司
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