231 results about "Composite material" patented technology

The invention relates to the field of lithium ion battery designs, and discloses a lithium ion battery pack and a soldering method for single batteries therein. The lithium ion battery pack comprises a plurality of single batteries which are connected in series or in parallel through soldered lugs; and the soldering method for soldering the first lug and the second lug of any two single batteries includes the following steps: a rigid plate is arranged on the backs of the horizontal bent sections of the first lug and the second lug, and is in plane contact with the backs of both the first lug and the second lug, wherein a predetermined gap is reserved between the first lug and the second lug which are horizontally opposite to each other; soldering is carried out on the top of the rigid plate in the gap between the first lug and the second lug, a tin bar is melted, the gap is covered by and filled with the melted tin, and the melted tin permeates to the top of the rigid plate; and the melted tin is solidified and shaped. The heat-dissipating effect of the method is better, and moreover, the structure of the soldered parts of the lugs is firmer, which can help to enhance the conductivity of the lithium ion battery pack.

The invention discloses a hydrolysis and alcoholysis-resisting reinforced nylon material. The hydrolysis and alcoholysis-resisting reinforced nylon material is prepared from the following raw materials of nylon resin, a reinforced material and an anti-degradation assistant, wherein the anti-degradation assistant is prepared from N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,3-phthalic diamide benzendicarboxamide and an anti-aging agent through compounding; the nylon resin is selected from at least one of PA66, PA610 and PA612. According to the hydrolysis and alcoholysis-resisting reinforced nylon material provided by the invention, a compounded anti-degradation assistant system is adopted, so that hydrolysis and alcoholysis resistance of a composite material can be increased; meanwhile, excellent processing temperature resistance is obtained, and the hydrolysis and alcoholysis-resisting reinforced nylon material is particularly suitable for carrying out injection molding processing on large-scale pieces such as an automobile radiator cooling water tank, a thermostat, an intercooler and the like.

The invention discloses a laminating device and a laminating method for a curved display panel and a composite film layer. The laminating device is provided with a circuit board regulating apparatus and a pressing apparatus. A flexible circuit board can be bent and fixed towards the direction of a display side by the circuit board regulating apparatus; therefore, when the composite film layer andthe curved display panel are pressed and fixed by the pressing apparatus, the relative position of the flexible circuit board relative to the curved display panel can be regulated by the regulating apparatus; the problem that the flexible circuit board is pressed and damaged in a pressing process is avoided; the laminating yield of a flexible display screen and the composite film layer is improved; and the product quality is improved.

The invention discloses a fabric for a safety air bag and a production method of the fabric. The difference ratio A between the warp crimp ratio of the center of the fabric in the width direction and the warp crimp ratio of the portions, 2 cm away from selvedges, of the two sides of the fabric is smaller than or equal to 19%. The fabric for the safety air bag has the advantages that the crest height of a corrugated edge formed by the two selvedges is small, the difference ratio between the warp crimp ratio of the center of the fabric in the width direction and the warp crimp ratio of the selvedges is small, meanwhile, the loss ratio in the follow-up clipping project is small, and cost is saved.

The invention discloses a preparation method of a mesoporous silica in situ doped acrylic resin bone cement composite for enhancing durable release capacity of medicines. The preparation method comprises the steps of firstly, mixing an amino silicon dioxide nanometer material with bone cement liquid to obtain a mixture, mixing the mixture with a bone cement solidifying agent, and in the process ofa polyreaction, performing in-situ introduction of the mesoporous silica nanometer material containing medicines; and uniformly mixing a mesoporous silica material with the liquid agent, and besides,enabling amino and carboxyl in bone cement acrylic resin to form electrostatic interaction to realize uniform and stable distribution in the bone cement, and achieve the purpose of durable and uniform release of the medicines. The prepared composite is high in operability, self spaces can be used for efficiently loading the medicines, and unique 2-8-nm mesoporous bore diameter is designed to enable the medicines distributed in the deep layer of the bone cement to be slowly released to the outside of the cement, so that durable and efficient release of the medicines is realized, besides, the characteristic and the function of the bone cement can be individually improved, and the biocompatibility and the anti-infection characteristic of the bone cement can be improved.

The invention relates to a ceramic tile polishing device, in particular to a ceramic tile surface polishing device. The ceramic tile surface polishing device aims to carry out polishing according to different specifications of ceramic tiles. The ceramic tile surface polishing device comprises a base, a clamping mechanism, a lifting mechanism and the like. The clamping mechanism is connected to thetop of the base and used for clamping a ceramic tile needing to be polished, and the lifting mechanism is connected to one side of the clamping mechanism and used for conducting height adjustment according to the thickness of the ceramic tile. According to the ceramic tile surface polishing device, polishing can be conducted after fine adjustment according to the size and thickness of the ceramictile, a handle is twisted to drive a lifting screw and a sliding plate to ascend and descend, and the function of adjusting the height according to the thickness of the ceramic tile is achieved.

The invention belongs to the technical field of regenerated fibers, and particularly relates to an antibacterial and antiviral regenerated cellulose fiber and a preparation method thereof. The antibacterial and antiviral regenerated cellulose fiber comprises a viscose fiber, a single-layer capsule wall composite microcapsule and a double-layer capsule wall composite microcapsule; capsule cores inthe single-layer capsule wall composite microcapsule and the double-layer capsule wall composite microcapsule independently comprise plant antibacterial and antiviral extracts and vitamins; componentsof a capsule wall of the single-layer capsule wall composite microcapsule comprises beta-cyclodextrin, a capsule wall of the double-layer capsule wall composite microcapsule comprises an inner-layercapsule wall body and an outer-layer capsule wall body, components of the inner-layer capsule wall body comprise beta-cyclodextrin, and components of the outer-layer capsule wall body comprise porousstarch; and the capsule wall of the single-layer capsule wall composite microcapsule is grafted and cross-linked with a bonding fiber, and the capsule wall of the double-layer capsule wall composite microcapsule is grafted and cross-linked with the viscose fiber. The antibacterial and antiviral regenerated cellulose fiber can avoid the loss of effective components; and meanwhile, the persistence of the effective components in playing a role can be improved.

A forming mold having a base member 10, and a resin layer 20 formed on the base member 10. The base member 10 has a rigidity higher than that of the resin layer 20. On the surface of the base member 10, the resin layer 20 having a thickness (Tb) of 1 mm or more is formed through lining or a similar technique. Then, the surface of the portion of the resin layer 20, the portion to be serve as a forming surface, is machined (e.g., end-milled) for finishing so that the thickness of the portion is reduced from Tb to Ta, whereby a forming surface P1 is completed. The forming surface P1 has a form accuracy as high as that attained by a forming surface of a forming mold produced through machining without employing a resin layer.

The invention discloses a pigment spraying device for a ceramic product production process. The pigment spraying device for the ceramic product production process comprises a spray gun; the spray guncomprises a nozzle body, a nozzle cap, an outlet portion and a swirl sheet; the nozzle cap is arranged on the nozzle body; the nozzle body is internally provided with a liquid channel; the radial periphery of the liquid channel is provided with a gas channel; the liquid channel sequentially comprises a first diameter section, a second diameter section, a conical pressurization cavity and an outletcavity; and the outlet cavity is internally provided with the outlet portion and the swirl sheet. The pigment spraying device is characterized in that one end of the swirl sheet is abutted against the outlet portion; the other end of the swirl sheet forms a micro gap with one end, adjacent to the outlet cavity, of the conical pressurization cavity; the swirl sheet is a rotary swirl sheet; and theinner circumferential surface of the conical pressurization cavity is provided with a plurality of diversion grooves. The pigment spraying device is capable of improving the stability, the sufficiency and the uniformity of atomization at a nozzle outlet and lowering the risk of uneven thickness of a sprayed pigment, is good in injection effect and saves raw materials.

The invention provides a method for preparing large-particle baking soda by a secondary carbonization method and the obtained baking soda. The method comprises the following steps of: 1) taking a sodium carbonate solution, and performing purifying; 2) enabling the solution to enter the upper part of a pre-carbonization tower, and carrying out pre-carbonization reaction with carbon dioxide gas; 3)discharging the pre-carbonized solution from the bottom of the pre-carbonization tower, and performing cooling; 4) feeding the solution obtained in step 3) into the middle part and the upper part of the carbonization tower in a multi-strand manner, feeding carbon dioxide into the middle part and the lower part of the carbonization tower in a multi-strand manner, and carrying out carbonization reaction to generate baking soda crystal mush; 5) compressing the carbon dioxide tail gas exhausted from the top of the carbonization tower, and enabling the compressed carbon dioxide tail gas to enter the lower part of the pre-carbonization tower; and 6) discharging the baking soda crystal mush from the bottom of the carbonization tower, and performing separating and drying to obtain baking soda. Large-particle baking soda is obtained through pre-carbonization, cooling and carbonization in the carbonization tower in a multi-strand feeding and multi-strand air inflow mode, and the yield of the baking soda is increased; the pre-carbonization tower absorbs the tail gas of the carbonization tower, so that the utilization rate of carbon dioxide is increased, and the economic benefit is good.

The embodiment of the invention relates to the technical field of liquid crystal display devices and specifically discloses a color filter and a manufacturing method thereof. The color filter comprises a glass substrate, as well as a black matrix and a pixel resin layer which are formed on the glass substrate, wherein the black matrix and the pixel resin layer are conductive and respectively contain electric charges with opposite polarities. According to the color filter and the manufacturing method thereof, provided by the embodiment of the invention, the structure and process of a liquid crystal panel are simplified; in addition, as the black matrix and the pixel resin layer have the opposite polarities and attraction power, even the edges of the black matrix and the pixel resin layer are not superposed, the black matrix and the pixel resin layer can be closely jointed, thus the light leakage phenomenon caused by poor contact is further avoided, and the display quality is ensured.

The invention relates to a preparation device and an application method of a three-layer sandwich-structure spice sustained-release filter tip additive, and belongs to the cigarette technical field. The preparation device is composed of three parts: a load module, a film covering module and a separation module. The whole preparation processes are connected through shaking transmission belts used for transporting the prepared granular additive. The load module includes a spice liquid-storage barrel, a liftable filter screen and a drying oven; the film covering module includes a macromolecular solution storage battle, a liftable filter screen and a shaking horn mouth; the separation module includes a roller, a draught fan, an adhesion granule groove and a qualified granule groove. The device can conveniently prepare the three-layer sandwich-structure spice sustained-release filter tip additive on large scale. The device is simple to operate, and the prepared granular material is uniform and stable.

The present invention provides a method of producing a fuel cell separator in which at least a portion of a premolded article composed of a thermosetting resin and a carbon material, or a thermoplastic resin and a carbon material is provided with hydrophilicity, including the steps of: (1) treating the premolded article for enhancing affinity with a solution of a radically polymerizable monomer having a hydrophilic group and/or a functional group which can be converted into a hydrophilic group; (2) coating the solution of the radically polymerizable monomer having a hydrophilic group and/or a functional group which can be converted into a hydrophilic group, on the treated surface; (3) irradiating the treated surface with ionizing radiation; and (4) cleaning the fuel cell separator obtained through steps 1 to 3; wherein steps 1 to 4 are sequentially carried out, or step 1, step 3, step 2, and step 4 are sequentially carried out.

The invention discloses a preparation method of a polytriazine alkali-resistant composite nanofiltration membrane. The alkali-resistant composite nanofiltration membrane is composed of a porous base membrane playing a supporting role and an ultrathin surface layer, the ultra-thin surface layer is prepared by the following steps: performing interfacial polymerization crosslinking reaction on a polyfunctional group crosslinking agent capable of reacting with amido (primary amine or secondary amine) and a triazine compound with at least two or more amido (primary amine or secondary amine) to form a nascent state nanofiltration membrane, and then performing post-crosslinking by adopting a novel crosslinking agent. According to the preparation method of the polytriazine alkali-resistant composite nanofiltration membrane, the nanofiltration membrane has excellent separation performance, compared with a traditional polypiperazine amide nanofiltration membrane, the alkali resistance of the nanofiltration membrane can be effectively improved through a unique triazine aromatic cross-linked structure, and the membrane can be suitable for systems such as decoloration and saline water separation.

The invention provides a cobalt iron oxide-cobalt phosphate electrocatalytic oxygen evolution composite material, and a preparation method and application thereof. The composite material is a composite material of a cobalt iron oxide nano-square block and a cobalt phosphate nano-array growing on foamed nickel in situ, the expression of the composite material is CoFeO-CoPi (NF), and the composite material belongs to the technical field of new energy nano-material synthesis. The cobalt phosphate nano-array growing on foamed nickel is taken as a template and a cobalt source, ferricyanide is introduced to form cobalt ferricyanide nano-square blocks on the cobalt phosphate nano-array, and the cobalt ferricyanide nano-square blocks on the cobalt phosphate nano-array are calcined at a high temperature in an air atmosphere to obtain the composite material of cobalt iron oxide and cobalt phosphate. The synthesis method simply and effectively compounds the cobalt phosphate and cobalt iron oxide,and enriches the compounding synthesis method of multi-metal oxide and oxysalt. The material shows excellent electro-catalytic oxygen evolution performance, has obvious morphology conversion after electro-catalytic oxygen evolution, and is suitable for the field of new energy development.

A thin film capacitor is provided with a lower electrode made of a metal foil containing many metal grains, a dielectric thin film formed on an upper surface of the lower electrode, and an upper electrode formed on an upper surface of the dielectric thin film. A lower surface of the lower electrode is an etched surface from which cross sections of the metal grains appear. The height difference between the cross sections of adjacent metal grains in the etched surface is 1 μm or more and 8 μm or less.

The invention discloses an optical cable with a new structure and a production method thereof, and belongs to the technical field of optical cables. The optical cable with the new structure comprisesa reinforcement piece positioned in the centre of the optical cable, a plurality of loose sleeves which surround the periphery of the reinforcement piece and are internally embedded with a plurality of optical fibers, and an outer sheath positioned on the outer layer of the optical cable, and is characterized in that the gap between the plurality of the loose sleeves and the outer sheath is filledwith a PP thin film; and the loose sleeves and the reinforcement piece are tightly combined together through the PP thin film. In a layering stranding process of the production method for the opticalcable with the new structure, a layer of the PP thin film is extruded through a plastic extruding machine; the PP thin film is compressed to wrap the plurality of the loose sleeves by utilizing a compressing mould and fills the gap between adjacent two loose sleeves; after being cooled, the PP thin film is fixed on the periphery of the loose sleeves to form a cable core; and the optical cable with the new structure disclosed by the invention can effectively prevent the sleeves from deforming so as to keep the optical cable structure stable.