32results about How to "Guaranteed wetting effect" patented technology

The invention discloses forming equipment for macrofiber-reinforced thermoplastic resin, which comprises equipment for decomposing fiber rings into fiber bundles and pretreating and equipment for impregnating fibers fully and forming by melting resin, wherein fiber bundle independent channels of the equipment for decomposing the fiber ring into the fiber bundle and pretreating are connected with a fiber pre-puffing and preheating system; a fusant inlet die of the equipment for impregnating the fibers fully and forming by the melting resin is communicated with a fiber impregnating body by a fuscant flowing channel and inclines upwards to form a certain angle, and a fiber inlet die is used for connecting the fiber pre-puffing and preheating system and the fiber impregnating body, so that the fibers enter the fiber impregnating body horizontally, and the other end of the fiber impregnating body is connected with a forming die. A preparation method for the macrofiber-reinforced thermoplastic resin comprises the following steps that: (1) after passing through respective independent channels, 20 to 40 bundles of fibers enter the fiber pre-puffing and preheating system in a mode of arranging in one line, and when the fiber bundles pass through a preheating guiding roller, the fibers contact a circular arc surface of the guiding roller, so that the fiber bundles are in a cloth or ribbon shape under the stretching action of traction, wherein the fiber bundles play the pre-puffing effect; (2) after being led into the fiber inlet die and a fiber input hole of the impregnating body horizontally, the pre-puffed and preheated fiber bundles pass through a fiber tension roller in the impregnating body up and down in a staggered mode, wherein the fiber bundles are in a cloth or ribbon shape when contacting the fiber tension roller; and (3) immersed macrofibers and material flow pass through an output channel and the forming die of the impregnating body.

The invention relates to the technical field of lithium batteries, in particular to a diaphragm with excellent cohesiveness and air permeability and a preparation method thereof. The diaphragm comprises a base film and a bonding layer, the bonding layer is arranged on at least one surface of the base film and comprises a plurality of hollowed-out structures, each hollowed-out structure is fixed to the surface of the base film, the hollowed-out structures are defined by protruding parts, and the inner parts enclosed by the protruding parts are hollowed-out parts. According to the diaphragm with excellent cohesiveness and air permeability and the preparation method of the diaphragm, the thermal shrinkage performance of a ceramic coated diaphragm is maintained, the bonding strength between the diaphragm and a pole piece is met through relatively low glue content, the good air permeability of the diaphragm is also maintained, and the comprehensive performance of a battery is improved.

The invention relates to the technical field of lithium-ion batteries, in particular to a formation process for improving cycle thickness expansion of a soft package lithium-ion battery. The process comprises the following steps: 1, standing battery cells after liquid injection, putting a plurality of battery cells into an Arbin test system for voltage measurement, and drawing a voltage and time curve graph; and 2, standing the battery cells, and putting the battery cells into clamp formation equipment for formation. The infiltration state of an electrolyte in the battery cell can be accurately monitored, and the infiltration effect is ensured. In the clamp formation process, all layers of interfaces in the battery cells can be in close contact by exhausting air from the battery cells, sothat the battery cells are uniformly stressed and heated.

The invention provides a packaging technology of a ceramic chip. The packaging technology comprises the following steps of (I) dispensing and film-forming, before chip assembly, coating the edge of one side, which needs to be packaged with a cover plate, of a ceramic carrier with a liquid-like dual-curable sealant through a glue dispenser, and curing and setting the dual-curable sealant through UV light irradiation to form a structural film on the ceramic carrier; (2) chip assembly, namely carrying out chip assembly on the ceramic carrier; and (3) cured sealing, after chip assembly is completed, bonding the cover plate matched with the ceramic carrier in size and the ceramic carrier through heating the structural film and then carrying out cured sealing. The packaging structure of the ceramic chip has the practical advantages of high bonding strength, good surface wettability, high air-tightness and the like, the roll-to-roll automatic dispensing process can be achieved and the production efficiency is obviously improved.

The invention discloses a thermosetting roll forming system for a fuel cell hydrogen energy automobile. The system comprises a first feeding roller, a rolling system and a conveying crawler belt, and a second feeding roller and a third feeding roller are sequentially arranged on the right side of the first feeding roller. And a first layered steering rolling shaft and a second layered steering rolling shaft are sequentially arranged on the right side of the third feeding roller, and a first layered extrusion rolling shaft, a first resin groove, a first tensioning roller and a first resin filter screen are sequentially arranged on the right side of the second layered steering rolling shaft. The thermosetting roll forming system has the beneficial effects that the interlayer type design feeding mechanism is available through the first feeding roller, the second feeding roller, the third feeding roller, a fourth feeding roller, a fifth feeding roller and a sixth feeding roller, and the requirements of various laying schemes can be met; and by means of the layered forced infiltration method of the first layered extrusion rolling shaft and the second layered extrusion rolling shaft, and meanwhile multiple layers of materials can be infiltrated at the same time, and the infiltration effect of each layer is guaranteed.

The invention discloses a molten aluminum slag remover and a preparation method and application thereof, and belongs to the technical field of molten aluminum refining. The slag remover comprises the following raw materials in parts by weight: 30-50 parts of sodium chloride, 20-40 parts of potassium chloride, 10-20 parts of sodium fluosilicate and 4-8 parts of fluorite. The preparation method comprises the following steps of: preparing 35 parts of sodium chloride, 25 parts of potassium chloride, 12 parts of sodium fluosilicate and 7 parts of fluorite into the slag remover; mixing the slag remover and inputting into molten aluminum in a furnace for stirring; inputting gas D into the molten aluminum while stirring; and finally, filtering out dross to complete refined aluminum purification. The infiltration effect of the molten aluminum is guaranteed by using sodium chloride and potassium chloride, and separation of hydrogen in the molten aluminum is guaranteed by using potassium chloride; and as the partial pressures of the gas D and hydrogen in the molten aluminum are different, hydrogen generated in the molten aluminum enters bubbles and then escapes from the liquid surface, so that hydrogen generated in the molten aluminum can be removed, generation of pores is avoided, and the separation effect is strong.

A molten aluminum alloy refining slag removal agent is characterized by being composed of, by weight, 25%-30% of silicon dioxide, 10%-15% of sodium chloride, 10%-15% of potassium oxide, 5%-10% of sodium oxide, 5%-10% of sodium sulfate, 1%-5% of sodium fluoroaluminate, 5%-10% of sodium fluorosilicate, 1%-5% of titanium dioxide, 5%-10% of calcium fluoride, 2%-4% of potassium fluoride, 2%-4% of hydrogen fluoride and 2%-4% of silicic acid. The molten aluminum alloy refining slag removal agent has the advantages that by the adoption of the sodium chloride and the potassium fluoride, the infiltration effect of molten aluminum is guaranteed, separation of hydrogen in the molten aluminum is guaranteed by the adoption of the potassium fluoride, the molten aluminum alloy refining slag removal agentis high in reliability, high in separation capacity, convenient to prepare, easy to use, low in cost and the like, and meanwhile the molten aluminum alloy refining slag removal agent can be widely applied to the molten aluminum refining aspect.

The invention discloses a fiber reinforced resin matrix self-lubricating compound sliding bearing and a manufacturing method thereof. The fiber reinforced resin matrix self-lubricating compound sliding bearing comprises an inner layer and a back lining, wherein the inner layer is a self-lubricating polytetrafluoroethylene (PTFE) soft band form by mixing self-lubricating polytetrafluoroethylene (PTFE) resin powder with at least one of graphite, molybdenum disulfide, tin bronze powder, glass fiber and carbon fiber; the back lining is formed by dipping and winding alkali-free long glass fiber and epoxy resin glue solution; and the epoxy resin glue solution is prepared by evenly mixing epoxy resin, curing agent, curing accelerator, filler and organic accessory ingredient. The sliding bearing prepared by the method of the invention has the advantages of good self-lubricating property, corrosion resistance, shock absorption, noise reduction, xenembole damage resistance, low cost and the like and is suitable to use at normal temperature.

The invention provides a battery and a battery manufacturing method, the battery comprises: a shell, wherein the shell is internally provided with an accommodating cavity, the accommodating cavity isfilled with an electrode slice, a diaphragm and an electrolyte, the shell is provided with a first end and a second end which are oppositely arranged, the first end of the shell is provided with a first open hole, the second end of the shell is provided with a second open hole, and the first open hole and the second open hole communicate the containing cavity with the outer space of the shell; andtwo plugging pieces which are arranged at the first end of the shell and the second end of the shell in a one-to-one correspondence mode so as to plug the first open hole and the second open hole through the two plugging pieces. The battery provided by the invention solves the problem of poor battery performance caused by insufficient electrolyte filling in the prior art.

The invention discloses a manufacturing method of a carbon fiber product for a fuel cell hydrogen energy automobile. The manufacturing method comprises the following steps: S1, precursor pretreatment; S2, heating and curing; S3, plastic coating; and S4, carbon fiber yarn weaving. According to the manufacturing method of the carbon fiber product for the fuel cell hydrogen energy automobile, a layer of plastic is additionally arranged on the surface of the carbon fiber in a plastic coating process, the situation that the performance of the carbon fiber is reduced can be effectively avoided, and therefore it is guaranteed that the performance of the carbon fiber is not affected; According to the method, in a carbon fiber weaving process, the carbon fibers are combined into the plied yarn and woven into fabric, a carbon fiber forming process can be simple by adopting a weaving forming method, and manufacturing of the carbon fiber product is facilitated.

The invention belongs to the technical field of glass fibers, particularly relates to a glass fiber infiltration system for high-tech materials, and aims to solve the problems that glass fiber infiltration is not thorough enough, the infiltration effect is poor, and use is not facilitated, the following scheme is provided, the glass fiber infiltration system comprises a box body, and the outer wall of one side of the box body is fixedly connected with a driving mechanism; the outer wall of one end of the box body is fixedly connected with a liquid inlet pipe, and the interior of the box body is rotationally connected with a driving roller. According to the glass fiber cleaning device, the driving mechanism is arranged to drive the driving roller to rotate, so that the driven roller which is in transmission connection through the belt is driven to rotate, finally, the loading mechanism on the outer wall of the belt can move on the belt, an impregnating compound is introduced into the cleaning bin in the box body through the liquid inlet pipe, and then glass fibers are loaded into the loading mechanism; the moving loading mechanism drives the glass fibers to enter the impregnating compound, and the matching belt moves in the impregnating compound, then is separated from the impregnating compound and finally enters the impregnating compound again, so that the purpose of circulating and efficient infiltration is achieved, and the infiltration effect is guaranteed.