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138results about How to "Uniform bonding" patented technology

Inorganic/organic composite thin film solid-state electrolyte for lithium metal battery and preparation method of inorganic/organic composite thin film solid-state electrolyte

The invention belongs to the technical field of a lithium metal battery, and particularly relates to an inorganic/organic composite thin film solid-state electrolyte for the lithium metal battery. The inorganic/organic composite thin film solid-state electrolyte comprises a ceramic nanowire network framework, an inorganic electrolyte and a polymer electrolyte, wherein the inorganic electrolyte is combined with the ceramic nanowire network framework by a magnetron sputtering method, and the polymer electrolyte is combined with the inorganic electrolyte and the ceramic nanowire network framework in an in-situ way. Compared with the prior art, the ceramic nanowire network framework with a unique structure is used, and the multi-layer network-structure inorganic/organic composite thin film solid-state electrolyte is prepared on the basis; and moreover, by optimizing and improving the interface compatibility and stability of the inorganic/organic composite thin film solid-state electrolyte and a metal lithium electrode, rapid ion transmission is achieved, the growth of lithium dendrites is suppressed, the penetrating of the lithium dendrites is prevented, and the cycle stability and the safety of the lithium metal battery are improved.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV +1

Novel anchoring grouting anchor rod and construction method thereof

ActiveCN108979692ASolve the anchorSolve the problem of insufficient groutingAnchoring boltsClimate change adaptationPre stressPre stressing
The invention discloses a novel anchoring grouting anchor rod and a construction method thereof. The novel anchoring grouting anchor rod is formed by a grouting system, an anchoring system and a fastening system. The grouting system comprises a cover, a vent hole, a grouting hole, a slurry plug, and overflow holes and various parts work together to ensure that slurry is full and tightly bonded. The anchoring system is formed by anchoring holes, a steel strand, a high-strength spring, an anchor claw, a rotating shaft and a steel strand clamp, initial anchoring force can be provided for the anchor rod, the anchor claw has barbs and rotates under the traction of the steel strand and closely attaches to a surrounding rock, and anchor removal is effectively prevented. The fastening system is formed by an anchor rod body, a slurry stop pad, a tray, a washer and a high-strength nut. After the slurry is solidified, the pre-stress can be provided for the grouting anchor to control the deformation of the surrounding rock. According to the invention, an anchor claw rotation design is employed, the anchor claw closely attaches to the surrounding rock, sufficient anchoring force is provided toprevent the anchor removal, and vent holes are set to ensure a pouring effect. The application defect of an existing grouting anchor is solved, and the novel anchoring grouting anchor rod and the construction method have the advantages of anchor removal prevention, high adaptability and good grouting effect.
Owner:SHANDONG UNIV OF SCI & TECH

Carbon-nanotube-reinforced aluminum-base composite material

The invention discloses a carbon-nanotube-reinforced aluminum-base composite material which is prepared by the following steps: 1) carrying out high-speed shear mixing on predispersed carbon nanotubes and an adhesive until the adhesive is uniformly coated on the carbon nanotube surface, adding pure aluminum powder or aluminum alloy powder, and carrying out high-speed shear mixing until the carbon nanotubes are uniformly distributed on the pure aluminum powder or aluminum alloy powder surface, thereby obtaining first composite powder; 2) carrying out ball milling on the obtained first composite powder to obtain second composite powder; and 3) sequentially carrying out sinter molding and hot extrusion molding to obtain the carbon-nanotube-reinforced aluminum-base composite material. The adverse factors capable of resulting in stratification due to density variation are eliminated, so that the CNTs (carbon nanotubes) and the aluminum powder are uniformly mixed while keeping favorable sintering activity, and the bonding strength between the CNTs and aluminum powder is enhanced to obtain favorable interfacial combination. The combined action of work hardening and grain refining reinforcement on the base can be utilized to enhance the aluminum base, so that the tensile strength and wear resistance of the composite material are greatly enhanced.
Owner:STATE GRID CORP OF CHINA +2

Epoxy mortar for bridge expansion joints and construction method thereof

The invention relates to an epoxy mortar for bridge expansion joints and construction method thereof, and belongs to the technical field of building materials. The epoxy mortar material consists of a liquid A, a liquid B and a filler; and diamines D2000 and D230 are mixed as an epoxy curing agent. The curing agent has low viscosity, good compatibility with the epoxy resin, long working life, high bonding strength, good flexibility and thermal shock resistance, and can be applied to the epoxy mortar material capable of absorbing the stress. The epoxy mortar material mixed from the liquid A, liquid B and filler for construction of bridge expansion joints changes the condition that rigid concrete, which can to be easily damaged under impact stress, needs profile steel for protection in the traditional bridge expansion joint; epoxy mortar material substitutes the rigid concrete in traditional expansion joints, avoids a steel structure, and has good waterproof and seal performance; the expansion joints have color consistent with the color of the adjacent concrete or asphalt, so that the bridge is more beautiful; the expansion joints cannot cause vibration of vehicles when the vehicles pass by the expansion joints; and the noise generated by the vehicles is lower.
Owner:HEERON TECH (WUHAN) NEW MATERIALS CO LTD

High strength ultraviolet resistant PE/ PET composite material and preparation method thereof

The invention belongs to the field of polymer materials, and particularly relates to an efficient PE /PET composite material interface compatibilizer, a high strength ultraviolet resistant PE/PET composite material and a preparation method thereof. The high strength ultraviolet resistant PE/PET composite material is prepared from, by weight, 100 parts of high density polyethylene, 0.5-2.0 parts of maleic anhydride, 0.5-2.0 parts of glycidyl methacrylate, 0.05-0.3 part of initiator, and 0.1-0.5 part of heat stabilizer. The efficient PE/PET composite material interface compatibilizer include the materials of, by weight, 100 parts of high density polyethylene, 1.2-1.5 parts of maleic anhydride, 1.2-1.5 parts of glycidyl methacrylate, 0.2-0.3 part of initiator, and 0.3-0.5 part of lubricants. Maleic anhydride and glycidyl methacrylate are grafted with high density polyethylene to form an efficient interface compatibilizer. The effect of the application of the efficient PE/PET composite material interface compatibilizer in the PE/PET composite material is better than the effect of either of HDPE-G-MAH and HDPE-G-GMA used alone in the PE/PET composite material. The efficient PE/PET composite material interface compatibilizer has good heat resistance, large filling capacity, and good processing performance, and can effectively improve the mechanical properties of the PE/PET composite material.
Owner:SHENYANG KETONG PLASTIC

Negative electrode slurry for lithium ion batteries

Relating to the technical field of lithium ion battery manufacturing, the invention discloses a negative electrode slurry for lithium ion batteries. The negative electrode slurry for lithium ion batteries is prepared from a negative electrode active material, a conductive agent, a negative electrode binder, 20-25 parts of a solvent and other raw materials, wherein the negative electrode active material is spherical graphite, the conductive agent is carbon nanotube, and the solvent is N-methyl pyrrolidone. The binder added in the negative electrode slurry provided by the invention has good binding performance, can bind the negative electrode active material together better and more evenly, and also is suitable for batteries needing higher cycle performance. The negative electrode slurry binder used in the invention can improve the safety performance of the negative electrode slurry, so that assembled lithium ion batteries can automatically stop heat generation reaction at high temperature to ensure the safety of lithium ion batteries during use. The negative electrode slurry provided by the invention has more excellent cycle performance, the prepared lithium ion batteries have higher capacity, and also has the characteristic of automatic cut-off of heat generation reaction at high temperature.
Owner:长兴天晟能源科技有限公司

Preparation method of sealed high-energy-storage lead-acid storage battery with quick charging and discharging function

The invention discloses a preparation method of a sealed high-energy-storage lead-acid storage battery with a quick charging and discharging function. The storage battery mainly comprises a storage battery box body, a plurality of integrated ultra-thin polar plate groups, a circuit connecting piece, an electrolyte and an anti-expansion sleeve. By virtue of the technology, the conventional procedures of processing of the lead-acid storage battery are overturned, and through innovation of a continuous spraying process of fluid lead paste, one-time combination of each polar plate group in a wet soft state can be completed, so that adhesion of lead paste and a partition plate can be reinforced; and the polar plate groups are tightly assembled and plugged into a polar plate cavity in a wet softstate to be subjected to overall curing and drying, so that integration of the polar plate groups is realized, falling off of the lead paste is prevented effectively, the thicknesses of the polar plates and the partition plate are greatly lowered, the polar plate spacing is greatly reduced, lamination of the lead paste and a grid is reinforced, the area of the polar plates and the current collecting grid within the unit space is multiplied, and the energy density and charging and discharging speed of the storage battery are greatly improved.
Owner:JIESHOU JINGHUA TECH INFORMATION CONSULTING SERVICE CO LTD

Environmental-protection straw light wall board production method

The invention discloses an environmental-protection straw light wall board production method. The production method comprises the preparation steps of: preparation of raw materials-surface treatment through physical and chemical combination methods-uniform glue mixing-pavement-hot pressing molding in a mold-fixed length cutting-accumulation protection curing-inspection-products; in preparation of the raw materials, the raw materials are divided into two types: one is surface layer raw materials, and the other one is middle layer raw materials; in the surface treatment step, wax on the surfaces of straws are treated by adopting physical and chemical combination methods; chemical raw materials containing silicon-oxygen chemical bond structures similar to wax structures on the surfaces of the straws and being 0.01-0.5 mass% of the straws are added; then, adhesives capable of forming hydrogen bonds or chemical bonds with polyhydroxyl structures are added; and in uniform glue mixing, strengthening materials are added in glue mixing of the middle layer raw materials. No harmful gas is discharged from boards prepared by the method; and the boards are smooth, unified and beautiful in textures and high in strength, flame retardance, sound insulation and damp prevention.
Owner:河南安朝板材科技有限公司

Method for dissipating charges on end face of cover tape

The invention discloses a method for dissipating charges on the end face of a cover tape, which is used in the process of producing the electronic parts for the electronic carrier tapes and the covertapes. The cover tape comprises an upper surface layer, an intermediate layer and a heat sealing layer from top to bottom in sequence. The heat sealing layer can be bonded with a carrier tape. When bonding is carried out, first antistatic agents are coated on the upper surface of the upper surface layer, the end faces at both sides of the cover tape and the lower surface of the heat sealing layer,so that the end faces of the cover tape, the upper surface of the upper surface layer and the lower surface of the heat sealing layer are connected to form a whole antistatic layer. In the previous method, when static electricity appears, the static electricity generated above can only be dissipated by the upper surface layer and the static electricity generated below can only be dissipated by the lower surface layer. The method of the invention is characterized by dissipating the static electricity as a whole due to upper and lower connection, doubling the dissipation speed and further ensuring the uniformity of the bonding strength of the cover tape and the carrier tape, and effectively improves the adhesiveness and antistatic property, which can not be reached by the previous method.
Owner:LIANMENG ELECTRONICS TECH KUSN

Composite foam mortar, and preparation and construction method thereof

The invention relates to a composite foam mortar, which is prepared from the components by the following weight percentage through mechanically and evenly stirring: 20 to 30 percent of ordinary Portland cement, 5 to 8 percent of white lime, 8 to 10 percent of fly ash, 15 to 20 percent of light aggregate, 30 to 40 percent of heavy aggregate, 1.6 to 2.0 percent of foam initiator, and 3.0 to 5.0 percent of strength-keeping rubber powder, wherein the light aggregate is an inorganic vitrification hollow microsphere material; the heavy aggregate is a mixture of sand and coarse whiting powder; and the foam initiator is a mixture of an anionic surfactant and a foam stabilizer. The 30 to 50 weight percent of composite foam mortar is diluted by water, is constructed on a wall surface by a mortar mixer with instant mixed spray coating, and is scraped evenly by a running rule or a putty knife. The composite foam mortar can be constructed by adopting a mechanical guniting technology, thus the construction efficiency and the construction quality are improved, the material dosage on a unit area is reduced, and the cost is reduced. The composite foam mortar also has the advantages of water resistance and heat insulation, improved crack resistance, good compatibility with base layer brickworks, and simple and practical process; besides, the composite foam mortar is applicable to waterproof and heat insulation decoration engineering on the inner and outer surfaces of the outer walls of all buildings, in particular to the moist environments with high requirements on water resistance and heat insulation in south China.
Owner:SHENZHEN GRANDLAND DECORATION GROUP

Seamless hot pressing device for down jacket fabric

The invention belongs to the technical field of down jacket fabric processing equipment, and particularly relates to a seamless hot-pressing device for down jacket fabric. The device comprises a base, a guide column and a hot-pressing lifting support arranged on the guide column in a sleeving mode, the hot-pressing lifting support is driven by a telescopic air cylinder to ascend and descend, a fabric containing plate is arranged on the upper end face of the base, and a pressing plate is movably arranged at the position, corresponding to the fabric placing plate, of the hot-pressing lifting support through a hot-pressing adjusting mechanism; and the hot-pressing adjusting mechanism comprises a fixing plate fixedly connected with the hot-pressing lifting support. The down jacket fabric is attached through the hot-pressing technology, the pressing force and the pressing buffering stroke can be adjusted according to different hot-pressing requirements of different clothes, meanwhile, the pressing plate can be conveniently replaced through the fixing mechanism, the application scene and durability of the device are increased, and the device is simple in structure, high in stability, reasonable in design and convenient to industrial popularization and use.
Owner:GAOFAN (ZHEJIANG) INFORMATION TECH CO LTD

Nitrogen and phosphorus removal ecological permeable material and preparation method thereof

ActiveCN111039620AAvoid hardening and cloggingEfficient removalBreakwatersQuaysNitrogen removalEngineering
The invention discloses a nitrogen and phosphorus removal ecological permeable material and a preparation method thereof, and belongs to the fields of environmental functional materials and water purification. The ecological permeable material comprises a slow-release skeleton structure and permeable holes; the slow-release skeleton structure a skeleton is formed by pyrite particles of which the surfaces are coated with a mixture of a binding material and fiber reinforced ribs and aggregate particles of which the surfaces are coated with a mixture of the binding material and fiber reinforced ribs, the permeable holes are uniformly distributed in the slow-release skeleton structure, and the channels of the holes enable the water permeability coefficient of the ecological permeable materialto be not less than 10 mm/s. The nitrogen and phosphorus removal ecological permeable material has the characteristics of good water permeability, high molding degree, high specific surface area, highstrength, easiness in microbial biofilm formation and the like, can slowly release calcium ions and iron ions to remove phosphorus, realizes autotrophic nitrogen removal, and has a good purificationeffect on pollutants in water, especially total nitrogen and total phosphorus.
Owner:NANJING UNIV YANCHENG ENVIRONMENTAL PROTECTION TECH & ENG RES INST
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