163results about How to "Rapid infiltration" patented technology

The invention relates to a surface treating agent applied to the technical field of the electronic-grade glass fiber cloth and an electronic-grade glass fiber cloth produced by using the surface treating agent. The surface treating agent comprises the following ingredients in weight percentage: 0.2 to 0.8% of silane coupling agent having general formula of (Y(CH2)nSiX3), 0.3 to 1.0% of acetic acid, 0.05 to 0.1% of surfactant I, 0.02 to 0.05% of surfactant II, and the balance of de-ionized water. The invention is applicable to the surface treating technology of the electronic-grade glass fiber cloth of the high-precision, high-uniformity and high performance printing circuit board; the electronic-grade glass cloth processed by the surface treating agent and the surface treating process has the advantages of thinness, homogenization and faster resin soakage and is suitable for the insulation reinforcing material of the printing circuit board; furthermore, the invention can be widely applied to the high-end products including mobile phone boards, notebook computers, navigation, automobiles, servers and the like.

The invention relates to a high-capacity and high-compaction artificial graphite negative electrode material, a preparation method thereof and a lithium ion battery. The preparation method comprises the steps of selecting at least two of pitch coke, petroleum coke and needle coke as graphite raw materials, and uniformly mixing with a coating agent to obtain a mixed material; and performing graphitization on the mixed material at 3,000-3,300 DEG C under a protection atmosphere to obtain the high-capacity and high-compaction artificial graphite negative electrode material. According to the preparation method of the high-capacity and high-compaction artificial graphite negative electrode material, the problem that the material is easy to press excessively due to inappropriate selection of theraw material cokes is solved by selection and matching of raw material cokes with different hardness, and the prepared graphite negative electrode material has appropriate hardness and rebound rate.A pole plate prepared from the artificial graphite negative electrode material is high in compaction density, an electrolyte is rapidly immersed, and the electrochemical performance of the lithium ionbattery is prolonged.

The invention discloses an electrolyte immersion method of a soft package lithium ion battery. By various steps of clamping, liquid injection, first vacuum pumping, standing, rolling, gas discharging, clamping, second vacuum pumping, air inflation, pressure maintaining, third vacuum pumping, sealing and standing, the electrolyte immersion time is greatly shortened, rapid immersion of a battery cell (particularly a high-pressure density pole plate) of a soft lithium ion battery is achieved, the influence of a high temperature on a part of electrolyte constituents is eliminated, the electrolyte immersion method is simple in step and high in maneuverability, the production efficiency is improved as well as the production energy consumption is reduced, and the electrolyte immersion method is suitable for industrial application.

The invention relates to the technical field of lawn building and planting, and discloses a method for building and planting a natural grass and artificial grass mixed lawn and a mixed lawn. The method comprises the steps of building a standard lawn bed; planting multiple spaced rows or columns of artificial grasses on the standard lawn bed along the length direction or the width direction of thestandard lawn bed; sowing multiple natural grass seeds or multiple natural grass stems between two adjacent rows or columns of artificial grasses; sowing multiple natural grass seeds or multiple natural grass stems between two adjacent artificial grasses in each row or each column. The method has the advantages of high use frequency, high resistance, good quality, ability of promoting the root growth of the natural grasses and wide application.

The invention relates to a negative electrode material with a multi-coating structure as well as a preparation method and application of the negative electrode material. The negative electrode material with the multiple coating structures comprises lithium-containing silicon monoxide as well as a lithium salt coating layer, a carbon coating layer and a polymer coating layer which sequentially coatthe surface of the silicon monoxide. The lithium salt coating layer of the negative electrode material effectively inhibits the volume expansion of the material, improves the ionic conductivity of the surface of the material, improves the cycling stability of an electrode, and reduces the alkalinity of the material; the carbon coating layer of the negative electrode material improves the electronic conductivity of the surface of the material and improves the oxidation-reduction reaction rate of the surface of the material; the polymer coating layer of the negative electrode material improvesthe compatibility between the silicon monoxide and the organic electrolyte, limits the volume expansion of the material to a certain extent, avoids the cracking of the material, and more effectively improves the cycling stability of the electrode.

The invention provides a water-borne sound-insulating damping coating for a ship. According to the water-borne sound-insulating damping coating for the ship, water-borne mixed emulsion is used as film forming matter, inorganic filter is used as main filler, and coating aids are added. The water-borne sound-insulating damping coating for the ship mainly comprises, by weight, 30 parts to 55 parts of water-borne styrene-acrylic emulsion which is of an interpenetrated network structure, 30 parts to 60 parts of the inorganic filler and 20 parts to 40 parts of fire retardants. The water-borne sound-insulating damping coating for the ship is prepared by preparing the water-borne mixed emulsion, adding the filler and the aids, and conducting paint mixing, white mica powder is used as functional damping filler, and blanc fixe is used as functional sound-insulating filler. The water-borne sound-insulating damping coating for the ship has the advantages that the recombination loss factor is high, and the sound insulation coefficient is high; the performance of being rapidly dried at normal temperature can be achieved; the adhesive force to a steel plate is high; the fire retardant property is high, and the shipment use requirement is met; the steel plate is free of rust; the workability is high; no hazardous substances exist, and environmental friendliness is achieved.

The invention discloses a method for preparing a polymer gel electrolyte cell. The method comprises the following steps of: (1) polymer powder pretreatment: performing high-speed ball-milling on a polymer powder body, and thus obtaining powder with the granularity less than 1 mu m; (2) polymer powder dispersion: mixing the polymer powder which is obtained by ball-milling in the step (1) with a non-aqueous solvent, lithium salt and an additive to prepare sub-micron-sized polymer suspended dispersion liquid; and (3) electrolyte gelatinization: injecting the polymer suspended dispersion liquid which is prepared in the step (2) into a lithium ion cell for full immersion, gelatinizing at high temperature for 1 to 12 hours, and cooling to obtain the polymer gel electrolyte cell. Compared with the prior art, the polymer gel electrolyte cell prepared by using the method is high in ionic conductivity, low in battery internal resistance, long in cycle life, high in high-temperature performance, high in safety performance and free from liquid leakage risk. The polymer gel electrolyte cell is obviously superior to an electrolyte cell prepared by using a conventional preparation method in terms of comprehensive performance.

The invention discloses an acrylic emulsion for PVC (Polyvinyl Chloride) water-based ink, and belongs to the technical field of emulsions. The acrylic emulsion is of a core-shell structure and comprises the following components in percentage by mass: 2-10% of an anionic emulsifier, 0-0.5% of a reaction type emulsifier, 0-3% of a non-ionic emulsifier, 0.05-2% of ammonium persulfate, 0.5-1.0% of 30% ammonium hydroxide, 0.1-0.3% of a bactericide, 40-70% of deionized water, a core structure monomer and a shell structure monomer, wherein the core structure monomer comprises the following components in percentage by weight: 0.1-10% of methyl methacrylate, 0-5% of ethyl acrylate, 0-5% of acrylamide and 0-5% of a silane coupling agent; the shell structure monomer comprises the following components in percentage by weight: 10-25% of methyl methacrylate, 15-25% of butyl acrylate, 0-10% of ethyl acrylate, 0-1% of methacrylic acid, 0-1% of crylic acid and 0-5% of caprolactam. The acrylic emulsion is excellent in adhesion property and good in water resistance on a PVC substrate.

The invention discloses a silk hot-air non-woven fabric which prepared by fine-denier fibers, silk fibers and ES fibers through a hot-air bonding technology.Non-hot melting silk fibers are adopted as the silk fibers, and the melting point of the ES fibers is 130 DEG C.A preparation method of the silk hot-air non-woven fabric comprises the following steps that 1, the ES fibers and the silk fibers are mixed and carded into a web to obtain a fiber web; 2, hot-air bonding reinforcing is performed on the fiber web obtained in the step 1 to obtain the hot-air non-woven fabric; in the carding process of the step 1, the obverse side of the fabric adopts messy carding, and the reverse side of the fabric adopts a dual-carding technology comprising messy carding and vertical carding.The non-woven fabric is comfortable in handfeel, silky and not prone to be fluffed, and the silk fibers can directly make contact with the skin, so that the skin friendliness is achieved; the breakthrough of producing a natural fiber non-woven fabric through a hot-air technology is achieved, the using performance of the silk hot-air non-woven fabric is improved, and the great application prospect is achieved.

The invention discloses a rapid absorption type paper diaper. The rapid absorption type paper diaper aims to solve the technical problem that an existing paper diaper absorbs slowly and cannot effectively and completely absorb a large amount of urine in a short time, thereby affecting the health of a baby. The rapid absorption type paper diaper includes a paper diaper body and an absorption core body, wherein the absorption core body comprises a first hydrophilic non-woven fabric cap bag, a flow guiding layer, first absorption cores, cotton yarns, a second absorption core and fluff pulp. The flow guiding layer for transversely partitioning and layering the first hydrophilic non-woven fabric cap bag is arranged on the middle part in the first hydrophilic non-woven fabric cap bag, the flow guiding layer is made of hydrophilic non-woven fibers with transverse isotonicity in a fiber direction, and drainage grooves are transversely and uniformly formed in the surface of the flow guiding layer in a communication mode. Drainage holes are evenly formed in the flow guiding layer in a communication mode, and the first absorption cores are disposed at an equal interval on the upper part of the flow guiding layer in the first hydrophilic non-woven fabric cap bag. The large amount of urine is rapidly and completely absorbed in the short time to ensure the healthy growth of the baby.

The invention provides a marine water-based damping coating and a preparation method thereof. A water-based styrene-acrylic emulsion with an interpenetrating polymer network structure is used as a film forming matter, mica powder with a laminated structure is used as a filler and coating additives are added. The marine water-based damping coating comprises the following main components in parts by weight: 40-65 parts of water-based mixed emulsion, 35-60 parts of filler and 20-40 parts of flame retardants. The marine water-based damping coating is prepared by mixing water-based emulsions, adding the filler and the additives and mixing the coating. The marine water-based damping coating disclosed by the invention has construction performances, high complex loss factor, strong adhesion to steel plates and good flame retardance, can be quickly dried under normal temperature, can ensure the steel plates not to rust after being applied and is environmentally friendly.

The invention discloses a double-hole lithium ion cover plate and a rocking-chair type liquid injection device and method thereof, and belongs to the technical field of lithium ion battery process preparation. The double-hole lithium ion cover plate comprises a first liquid injection hole and a second liquid injection hole which are formed in the two ends of the cover plate respectively, wherein each liquid injection hole is located above an r angle of an A pole core and a B pole core of a lithium ion battery. The cover plate is also provided with welding sites used for being fixedly connectedwith positive and negative lugs. During liquid injection, the double-hole lithium ion cover plate is arranged above the lithium ion battery body and welded and fixed together, and liquid is injectedthrough the liquid injection cups at the left end and the right end, enters the battery in a vacuum state, and can be dispersed in multiple directions and quickly infiltrated after entering a batterycell. The liquid injection time of a single battery is short, and the quick liquid injection requirement is met; and during formation and capacity grading, the internal produced gas can be divided anddischarged through the double liquid injection holes, so that the exhaust area is increased, the bulging of the battery is reduced, and the abnormal phenomenon of liquid overflow is eliminated.

The invention relates to a shield adhesive and a preparation method thereof. The shield adhesive comprises the following raw materials by weight: 90 to 110 parts of a chloroprene rubber adhesive, 50 parts of acrylic acid ester, 1 to 3 parts of organosilicon, 40 parts of a phenolic resin, 4 to 8 parts of nanometer magnesium oxide, 100 parts of a solvent, 0.22 to 0.44 part of a catalyst, 1 to 1.5 parts of an initiator, 1 to 1.5 parts of a terminator and 20 to 40 parts of a fire retardant. According to the invention, A90 and A30 are added into the sliced chloroprene rubber adhesive for blending to improve heat resistance of the sliced chloroprene rubber adhesive, and then an obtained mixture and acrylate undergo ternary polymerization. The shield adhesive provided by the invention has high bonding strength and strong high temperature resistance and is applicable to subways, underground roads and tunnels at the bottom of a sea (a river or a lake).

The invention provides composite water absorbent paper for an absorbent product. The composite water absorbent paper for the absorbent product comprises an upper isolation layer, macromolecular water absorbent resin, a high-fluffy nonwoven fabric and a lower isolation layer, wherein the macromolecular water absorbent resin comprises upper macromolecular water absorbent resin which is distributed between the upper isolation layer and the high-fluffy nonwoven fabric, and lower macromolecular water absorbent resin which is distributed between the high-fluffy nonwoven fabric and the lower isolation layer; the upper isolation layer, the upper macromolecular water absorbent resin, the high-fluffy nonwoven fabric, the lower macromolecular water absorbent resin and the lower isolation layer are combined together in a gluing or heat sealing manner; the composite water absorbent paper is characterized in that the particle size of the upper macromolecular water absorbent resin is different from that of the lower macromolecular water absorbent resin; the particle size of the lower macromolecular water absorbent resin is smaller than that of the upper macromolecular water absorbent resin. According to the composite water absorbent paper for the absorbent product, the absorption performance of the water absorbent paper can be remarkably improved; the utilization rate of macromolecules is improved; the production cost is reduced.

The invention belongs to the technical field of electrochemistry, and particularly relates to a high-energy-density lithium iron phosphate battery. A positive electrode active material is selected from titanium/magnesium-doped lithium iron phosphate, the surface density of a positive plate is 190-210 g/m<2>, the compaction density is greater than or equal to 2.60 g/cc, a negative electrode active material is carbon-coated single particle and secondary particle needle coke blend artificial graphite, and the compaction density of a negative plate is greater than or equal to 1.70 g/cc. The density of the electrolyte is equal to 1.15 g/cc, the wall thickness of the aluminum shell body is 0.40-0.50 mm, a positive electrode current collector is an aluminum foil with the diameter of 12-13 [mu]m, a negative electrode current collector is a copper foil with the diameter of 4.5 [mu]m, a diaphragm is a 7 + 2C + 2P ceramic gluing diaphragm, a conductive binder is used for replacing a positive electrode, the addition amount is 1.0-2.0%, and the weight ratio of a positive electrode active material to a positive electrode dressing is greater than or equal to 98%. According to the invention, the energy density of the battery is greatly improved and reaches 200Wh/kg.

The invention relates to a composite separator and a preparation method thereof. The lithium battery composite separator is formed by compounding a polyolefin microporous membrane and one or two high-temperature-resistant non-woven fabric layers, wherein the thickness of the composite separator is 6-40[mu]m, the surface density is 5-35g/m<2>, the porosity is 35-50%, the liquid absorption rate is greater than 150%, the thermal shrinkage rate at 130 DEG C is less than 0.5%, and the ionic conductivity is (1.0-5.0)*10<-3>S/cm. The composite separator disclosed by the invention has the advantages that the is fast; the lithium battery composite diaphragm has the characteristics of fast electrolyte infiltration, high liquid absorption rate, low thermal shrinkage rate, good mechanical property andthe like, the compatibility of the separator and an electrolyte is improved, the safety and the service life of a lithium battery are improved, and the prepared composite separator also adapts to thetechnological requirements of mechanical assembly of a battery production line and has a relatively wide application field.

The invention relates to a high-efficiency wet-type dust suppressant for treating dust, and a preparation and using method of the dust suppressant, and belongs to the field of environmental protection. The high-efficiency wet-type dust suppressant for treating dust is composed of the following components in parts by weight: 10-60 parts of a mixed surfactant, 30-70 parts of a wetting agent, 5-20 parts of a moisture absorption agent, 1-5 parts of a preservative and 5-20 parts of water, wherein the mixed surfactant is a mixture of a fatty alcohol-polyoxyethylene ether, a heterogenous fatty alcohol-polyoxyethylene ether, a dicyclohexyl sulfosuccinate sodium salt and an organic silicon surfactant, the wetting agent is a mixture of a heterogeneous alcohol and a heterogeneous fatty alcohol-polyoxyethylene ether, and the moisture absorbent is a mixture of polyethylene glycol and glycerol. The high-efficiency wet-type dust suppressant for treating the dust provided by the invention is a novel moisture-preserving wet-type dust suppressant with ultra-low surface tension, long-lasting wettability and long-term moisture absorption and moisture retention, can greatly improve the dust suppressionefficiency, prevent dust from raising, and meet the requirement of energy conservation and environmental protection.

The invention discloses a method for improving electrolyte infiltration of a soft package lithium ion battery, which comprises the following steps of: (1) putting a battery cell subjected to top sidesealing and packaging into a drying oven to remove moisture, cooling to a certain temperature, keeping constant temperature, and preheating an electrolyte at the same time; (2) clamping the battery cell in the middle of a clamping plate, vacuumizing, keeping the vacuum degree for 5-10 seconds, injecting preheated electrolyte, and standing for 10-60 seconds; (3) applying an outward force to the battery cell aluminum-plastic film, and keeping for 5-10 seconds; then clamping is conducted through clamping plates, rolling pressure from bottom to top is applied, gas is exhausted out of the air bag,and rolling operation is repeated multiple times; (4) vacuumizing the battery cell, keeping the vacuum degree for 2-5 seconds, and then sealing; and (5) putting the sealed battery cell into a rotatingdevice, and rotating at a low speed for 1-3 hours to finish infiltration. The method has the advantages of simple steps, convenience in operation, capability of quickly infiltrating the electrolyte,shortening of the standing time of the battery cell after liquid injection, improvement of the production efficiency, and easiness in realization of industrialization.

The invention provides a trunk lid which is light in weight, low in cost, firm in structure and high in strength. The trunk lid comprises an upper carbon fiber composite layer and a lower carbon fiber composite layer. A closed-cell foam material layer is arranged between the upper carbon fiber composite layer and the lower carbon fiber composite layer and provided with through holes penetrating through the upper surface and the lower surface of the closed-cell foam material layer. The position between the upper carbon fiber composite layer and the closed-cell foam material layer, the position between the lower carbon fiber composite layer and the closed-cell foam material layer and the through holes of the closed-cell foam material layer are all filled with resin. According to the truck lid, the through holes are formed in the closed-cell foam material layer, so that resin channels are formed between the upper carbon fiber composite layer and the lower carbon fiber composite layer, and the wettability of the resin to the upper carbon fiber composite layer and the lower carbon fiber composite layer in the forming process is improved; in addition, the resin can form links which are similar to rivets and penetrate through the closed-cell foam material layer in the forming process; and thus, the carbon fiber composite layers and the closed-cell foam material layer are better and integrally bonded, the bonding strength is maximally improved, and the layering risk is reduced.

The invention belongs to the field of an electrochemical battery, in particular to a preparation method of an electrochemical battery. The preparation method mainly comprises the four steps of preprocessing, immersing, electrolyte maintaining quantity control and finished cell preparation as follows: firstly, discharging gas constituents in holes of a cell electrode plate by preprocessing to reserve space for electrolyte immersion; secondly, placing a cell in an electrolyte for immersion, and allowing the cell to be fully encircled by the electrolyte and rapidly immersed by the electrolyte; thirdly, controlling the squeezed quantity of the electrolyte through fixed-thickness extrusion so as to acquire the electrolyte quantity actually required by the cell; and finally, preparing to obtain the finished battery. The process is simple and reliable, and industrial production at a low cost is promoted.

The invention discloses a sponge sidewalk. The sponge sidewalk comprises a body which comprises water-permeable bricks, a gap convenient for quick seepage of rainwater is reserved between every two adjacent water-permeable bricks, sand-based water-permeable curbs are arranged on two sides of the water-permeable bricks, and a water-permeable base layer is arranged below a water-permeable surface layer which is arranged below the water-permeable bricks. A pipeline network for rainwater collection is pre-embedded in the water-permeable base layer, water drain ditches are formed on two sides of the water-permeable base layer, two ends of the pipeline network are connected to the water drain ditches respectively, a plurality of irrigation pipes connected with surrounding green belts are arranged in the water drain ditches, and water guide pipes are arranged at two ends of the water drain ditches and connected to rainwater ports. By quick seepage and quick flow of water, water accumulated on the sidewalk can be drained quickly, and when rainwater internal storage is saturated, excessive rainwater can be stored and released when needed, so that water logging pressure of the sidewalk can be relieved; due to connection with the surrounding green belts, plant growth regulating agents can be provided, water supply demands of the surrounding green belts can be met, and urban landscape water quality is effectively improved.

The invention discloses a complete permeable compound type road surface structure. The complete permeable compound type road surface structure comprises a surface layer, a bonding layer, a grid layer, a base layer and a cushion layer which are arranged on a roadbed in sequence from top to bottom, wherein the surface layer is a permeable surface layer formed by permeable asphalt concrete; the bonding layer is a permeable asphalt bonding layer formed by asphalt; the grid layer is a glass fiber grid; the base layer is a permeable base layer formed by permeable cement concrete; the cushion layer is a permeable particle cushion layer formed by mixing one or more of graded broken stones, graded gravels and graded broken gravels; the complete permeable compound type road surface structure has the advantages of no joints of an asphalt road surface, small driving vibration, low noises, and easiness and convenience for maintenance, and also has the advantages of high strength of the cement road surface, long service life and the like; and on the other hand, the complete permeable compound type road surface structure has the characteristics of water permeability, ventilation and the like, rainwater can rapidly permeate and can be discharged into the stratums, a city ecological balance system is effectively kept, the load of city drainage facilities also can be relieved when the rainfall capacity is relatively great, so that the structure has the active meaning.

The invention discloses a non-woven fabric capable of enabling liquid to quickly underflow and inhibiting backflow. The non-woven fabric capable of enabling the liquid to quickly underflow and inhibiting backflow is characterized by comprising an upper-layer non-woven fabric and a lower-layer non-woven fabric, wherein the areal density of the upper-layer non-woven fabric is not less than 35 g/m <2>, and the areal density of the lower-layer non-woven fabric ranges from 20 g/m<2> to 40 g/m<2>. The preparation method comprises the following steps: preparing a fiber web A from ES single hydrophilic fibers is through a non-woven carding net-forming and cross-lapping process; preparing a fiber web B from ES multi-hydrophilic fibers through a non-woven direct lapping process; placing the fiber web A over the fiber web B and carrying out reinforced compounding through a needle punching or hot rolling bonding process. in an initial state, the non-woven fabric is hydrophilic, quick underflow ofliquid can be ensured, when the liquid penetrates through the non-woven fabric, the hydrophilic oil agent of the single hydrophilic fiber is washed and separated by the liquid, the fiber web of the layer is changed from hydrophilic to hydrophobic, the hydrophilic state of the multi-hydrophilic fibers is maintained, at the moment, by the upper hydrophobic layer, backflow of the liquid under the condition of compression can be prevented effectively, and dryness of an upper layer is ensured.