Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

187results about How to "Simple productivity" patented technology

Solvent type polyurethane structure adhesive and preparation method thereof

InactiveCN104893644ADouble curing effectPlay the effect of curing cross-linkingNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesCross-linkPolyurethane adhesive
The invention discloses a method for preparing a solvent type polyurethane structure adhesive. The method is characterized in that an isocyanate solidifying agent sealed by a sealing agent and a polyurethane prepolymer at the sealed end of hydroxyl group are mixed to obtain a polyurethane adhesive, or the polyurethane prepolymer sealed by the sealing agent and a trihydroxy compound are mixed, or the polyurethane prepolymer sealed by the sealing agent and the isocyanate solidifying agent sealed by the sealing agent are mixed to be added into an adsorbing filling material to obtain the polyurethane adhesive. When in use, the adhesive is heated and unsealed to obtain the isocyanate solidifying agent or polyurethane prepolymer containing NCO, and reacts with polyurethane prepolymer or the trihydroxy compound to obtain cross-linked and cured polyurethane. The adhesive can be stably stored at the room temperature, can be heated to obtain reaction type bi-component when in construction, and is different from the conventional bi-component solvent type polyurethane which wastes time in the processes of metering, mixing and the like, the construction process is simple, the performance adjustment of the single component polyurethane system is realized, and the unsealed unsealing agent cannot overflow.
Owner:UNIV OF SCI & TECH OF CHINA

Preparation method for polymer microcapsule modified emulsified bitumen

The invention discloses a preparation method for polymer microcapsule modified emulsified bitumen, which belongs to the technical field of modification of bitumen. A polymer shell layer is formed through microcapsule in-situ cladding and crosslinking on the surface of bitumen microballoons by using the method of miniemulsion polymerization, and an organic/inorganic composite core-shell structure is formed. After the polymer microcapsule modified emulsified bitumen becomes a film, an interpenetrating polymer network of a polymer and bitumen is formed; the polymer microcapsule modified emulsified bitumen has the characteristics of an organic/inorganic composite, better heat resistance and a high softening point; a mixture fabricated with the polymer microcapsule modified emulsified bitumen has good resistance to permanent deformation, can prevent harmful damage like formation of ruts on a pavement in high temperature seasons and better adapts to needs for pavement construction and maintenance in hot areas. Since the polymer microcapsule modified emulsified bitumen has the characteristic of modification by the polymer, the emulsified bitumen has improved toughness and good crack resistance, and can be extensively used in the fields like emulsified bitumen cement mortar for plate type ballastless tracks of high-speed railways or urban light rails.
Owner:TSINGHUA UNIV

Large-structure sublevel drilling stage ore removal mining method with delayed filling

The invention relates to a large-structure sublevel drilling stage ore removal mining method with delayed filling. The mining method comprises stoping in stopes and bottom structure recovery which are carried out synchronously in a crossed manner, and comprises the following steps: step 1, stoping in odd-numbered stopes, wherein the stoping manner is sublevel drilling stage ore removal, and mined out space I is not filled immediately; step 2, stoping in 1/2 bottom structures I corresponding to the odd-numbered stopes, and filling ore rooms and the mined out space I, corresponding to the 1/2 bottom structures I, of the ore rooms after stoping is finished; step 3, stoping in even-numbered stopes, wherein mined out space II is not filled immediately; step 4, stoping in 1/2 bottom structures II corresponding to ore pillars, and filling the ore pillars and the mined out space II, corresponding to the 1/2 bottom structures II, of the ore pillars after stoping is finished. The mining method has the advantages that the mining-cutting work amount is reduced greatly; the production capacity of a single stope is high; the efficiency is high; workers' labor intensity is low; production, dispatching and management are simple. Moreover, stoping of the main ore in a stope and recovery of ore in the bottom structure of the stope are realized synchronously in a crossed manner, and the stoping operation is safe, so that the resource recovery rate is high.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST +1

Cored welding strip applied in resurfacing welding and preparation method thereof

The invention discloses a novel resurfacing welding cored welding strip which consists of a steel tube circled by steel strips and drug powder wrapped in the steel tube, the steel strips comprises an upper steel strip and a lower steel strip which can be purchased in the market. The shape of the steel tube circled by steel strips is that the longitudinal cross section is long flat form or rectangle-like shape, the longitudinal length is determined at will, and the steel tube can be cut out at will or winded into a tray according to requirements. The transverse edges of the upper steel strip and the lower steel strip are connected at the upper steel strip side in a related joint form, and the drug powder is filled in the steel tube circled by the steel strips evenly with the filling rate being 20-80%. According to the different types of resurfacing metals, the content of alloy element in the resurfacing welding cored welding strip is different. The cored welding strip has simple production equipment and technique, and low production cost, thus overcoming the defect that alloy welding filament used for filament resurfacing welding is difficult to produce and the problems of large investment on production equipment, high production cost and expensive price in cored welding filament production.
Owner:SHANDONG UNIV

Device capable of improving online heating adaptability of roller

A device that can improve the adaptability of rolling on-line heating, which mainly includes: an axial through hole is arranged on an ordinary roll, and a heating rod wrapped with an asbestos layer is arranged in each axial through hole, and two heating rods of each heating rod The ends are respectively placed in the conductive block, and all the conductive blocks arranged at one end of the roll are in contact with a power-connecting coil, and a binding post and a fixed bracket are arranged on the power-connecting coil. In addition, a contact block with a certain height is arranged on the two end faces of the two rolls. The contact surface of the contact block and the thermocouple is an arc surface with a high middle and low sides, and one end of the thermocouple is set on the end face of the roll. Nearby, the other end of the thermocouple is connected to one end of the elastic piece, and the lead wire on the thermocouple is connected to the control system. The invention not only has a simple structure, but also can continuously heat the rolls on-line during the rolling process, has high production efficiency, low processing cost and convenient operation, and the temperature of the rolls is always in a reasonable temperature range, ensuring better, stable and uniform product quality.
Owner:YANSHAN UNIV

Itraconazole nanocrystals and preparation method and application thereof

The invention provides itraconazole nanocrystals and a preparation method and application thereof. Acid phase in which itraconazole is dissolved is dropwise added into alkaline phase to over-saturate the itraconazole; the itraconazole molecules are aggregated into amorphous nanocrystalline particles in the presence of a high molecular stabilizer to form a stable structure with itraconazole nanocrystals as a core and the high molecular stabilizer as a shell; and both the solubility and the dissolution rate of the itraconazole nanocrystals are greatly improved compared with those of normal itraconazole nanoparticle suspension. A hydrophilic fragment of the high molecular stabilizer, which is extended into the water, improves the hydrophobicity of the surfaces of the itraconazole nanoparticles, so that the high molecular stabilizer is more easily moistened and dissolved; and the high molecular stabilizer serving as the shell enhances the adhesion between the medicament particles and gastrointestinal mucous membrane, is favorable for improving the bioavailability and reduces the influence of a diet state on the bioavailability. The method of the invention has the advantages of no use of toxic solvent, simple preparation process, low cost and easy industrialization.
Owner:HUAZHONG UNIV OF SCI & TECH

Aluminum lithium alloy for spaceflight and method for preparing proximate matter through aluminum lithium alloy

The invention relates to an aluminum lithium alloy for spaceflight and an aluminum lithium alloy proximate matter preparing method, and relates to the aluminum lithium alloy and the aluminum lithium alloy proximate matter preparing method. The aim is to solve the problems that the production difficulty of the aluminum lithium alloy is large, and the aluminum lithium alloy strength is low. The aluminum lithium alloy is composed of Mg, Li, Ti, Zr and Al, the Mg accounts for 5.5%-6.5%, the Li accounts for 2.2%-2.5%, the Ti accounts for 0.03%-0.12%, the Zr accounts for 0.15%-0.20%, the Zr+Ti is smaller than or equal to 0.25%, and the balance is the Al. The method includes the steps of raw material weighing, aluminum alloy molten liquid preparing, refining, spray forming, short bar cutting, blind die extrusion, heat extrusion, quenching, tension leveling and aging treatment. According to the aluminum lithium alloy and the aluminum lithium alloy proximate matter preparing method, through spray forming, the problems that the aluminum lithium alloy production difficulty is large, and the quality is poor are solved, the strength of extension reaches 485 Mpa, the ruled non-proportional extending strength reaches 345 Mpa, the percentage elongation after fracture reaches 10.0%, and blind die extrusion enables a casting ingot to be more compact.
Owner:NORTHEAST LIGHT ALLOY CO LTD

Temperature-sensitive humidity-sensitive functional building material and preparation method thereof

The invention relates to a temperature-sensitive humidity-sensitive functional building material and a preparation method thereof. The functional building material is a plate made from the following ingredients in parts by weight: 40-60 parts of cementing material, 6-12 parts of composite temperature control material, 15-30 parts of semi-carbonized plant fiber, 10-25 parts of filling, 0.5-2 parts of foaming agent, and 0.05-0.2 parts of foam stabilizer. The preparation method comprises the following steps of: uniformly mixing all the ingredients, adjusting the ratio of water to materials to 0.30-0.45 to prepare the plate, curing the plate in an environment at the temperature of 25 DEG C and relative humidity not less than 80% for 7 days and then drying the plate to obtain the temperature-sensitive humidity-sensitive functional building material. Therefore, the temperature-sensitive humidity-sensitive functional building material provided by the invention can be used for effectively improving the comfort of an indoor environment, is simple in production and construction process, can be widely applied to the inner walls of an existing building and a new building, and is of a great significance in energy conservation, emission reduction and circular economy development.
Owner:武汉威尔博科技发展有限公司

Breath training device

The invention relates to a breath training device which is designed for solving the technical problem that an existing similar product is not good enough in exhaling and inhaling structure design. The breath training device comprises a bottle body, a corrugated hose and an air nozzle; a cavity is formed in the bottle body by connecting bottle body shells on the two sides and a film at the bottom, an air hole of the bottle body is provided with an exhaling assembly, and an inhaling assembly is arranged in the bottle body. According to the technical scheme, the exhaling assembly comprises a cover shell, a pointer, a cover plate, a one-way membrane and a seat shell; the one-way membrane is arranged in the seat shell located at the air hole of the bottle body, the pointer is arranged in a fan-shaped air cavity window of the cover shell, an air inlet is formed at the communication position of the air cavity window and the cover shell, and a swaying block is arranged under a positioning hole of the pointer; a main air cavity and a side air cavity are formed in the bottle body, a main channel of the main air cavity is communicated with the main air cavity and a main air hole located in the air hole of the bottle body, and a piston valve is arranged in the main air cavity; a side channel of the side air cavity is communicated with the side air cavity and a side air hole located in the air hole of the bottle body, and a seal cone is arranged in the side air cavity. The breath training device is suitable for being used for rehabilitation training.
Owner:王伟

Method for preparing high-quality copper indium sulfide by employing single-source molecular precursor

The invention relates to a method for preparing high-quality copper indium sulfide by employing a single-source molecular precursor. The method comprises the following steps: mixing copper chloride and indium chloride powder to prepare a solution, and preparing sodium diethyl dithiocarbamate powder into a solution; adding the former solution to the latter solution slowly in the way of stirring, filtering and drying precipitate, putting the obtained product into an autoclave and adding ethanol used as a solvent; sealing the autoclave and then placing the autoclave in an electric dry oven, heating and cooling naturally, washing with deionized water and absolute ethyl alcohol, and finally drying to obtain black copper indium sulfide powder. The invention solves the defaults of a gas phase method and a liquid phase method of expensive equipment, complex process operation, low yield, and the uniformity of the inner and outer composition of the product and the generation of a core-shell structure which are caused by the relatively larger solubility difference of the multi-source precursor in solvent. The invention has the advantages of cheap and easily obtained raw materials, no toxic H2S gas or vacuum environment, and simple process, and can obtain pure tetragonal phase copper indium sulfide with sea urchin-like morphology and high degree of crystallinity.
Owner:YANGZHOU UNIV

Graphene high-performance stone-like paint and preparation method thereof

The invention discloses graphene high-performance stone-like paint and a preparation method thereof. The graphene high-performance stone-like paint comprises a component A and a component B, wherein the component A comprises the following raw materials according to a mass permillage: 70-130%o of deionized water, 1-3%o of a defoamer, 4-7%o of a dispersant, 0.1-1%o of graphene, 3-8%o of a thickener,110-180%o of water-based resin, 5-10%o of a coalescing agent, 550-750%o of natural color sand and 0-200%o of a rock sheet; and the component B comprises the following raw materials according to the mass permillage: 700-800%o of a curing agent and 200-300%o of the coalescing agent. The preparation method comprises the following steps: (1) adding the deionized water to a dispersion tank, successively adding the defoamer, the dispersant, the graphene, the water-based resin, the coalescing agent and the thickener, after uniformly stirring, adding the color sand and/or the rock sheet; and (2) adding the curing agent and the coalescing agent to the dispersion tank, uniformly stirring to obtain the graphene high-performance stone-like paint. The graphene high-performance stone-like paint has theadvantages of excellent stain resistance, adhesive force, cracking resistance, water resistance, alkali resistance and temperature variation resistance and the like.
Owner:NINGBO MORSH TECH

Conducting loop structure of low-voltage circuit breaker

The invention discloses a conducting loop structure of a low-voltage circuit breaker. A static contact is connected with a static contact clamping device which comprises three connecting parts: the left part is of a square structure which has a hole and is connected with a busbar; the right part is of a dual-plate clamping structure which is supported to the middle part, and the static contact is arranged between the dual-plate clamping structure in a revolving mode; the middle part of the static contact clamping device is lower than the left part and the right part; a dynamic contact is connected with a dynamic contact clamping device which comprises a left part and a right part, wherein the left part is of a round head dual-plate clamping structure, and the dynamic contact is arranged between the round head dual-plate clamping structure in a revolving mode; and a square structure of the right part is connected with a heating element which forms an integral structure with an outlet terminal of a tripping system. The whole conducting loop does not have soft connection and welding spots, the cost for switching on or off is lowered effectively, the temperature rise is lowered, the dynamic and thermal stability is enhanced, and the electric life and the mechanical life are prolonged.
Owner:EATON HUINENG LOW-VOLTAGE ELECTRICAL (JIANGSU) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products