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

34results about How to "Meet the shape requirements" patented technology

Preparation method and use of millimetre-sized mesoporous carbon spheres

The invention belongs to the field of inorganic nano material synthesis and particularly relates to a preparation method and use of millimetre-sized mesoporous carbon spheres. The preparation method comprises the following steps of: dissolving resorcinol in ethanol serving as a solvent; adding furfural and ethanol solution of hydrogen chloride, and stirring the mixture at 0 to 15 DEG C for 10 to 120 minutes; adding aqueous solution of hexamethylenetetramine and pore-forming material into the prepared solution to obtain solution of a precursor; adding the prepared solution of the precursor into liquid max containing an emulsifier, and stirring the solution to perform per-polymerization; volatilizing the solvent, filtering the remaining material, and washing and drying the product obtained by filtration; and carbonizing the product to obtain the millimetre-sized mesoporous carbon spheres. The preparation of the millimetre-sized mesoporous carbon spheres of the invention is performed under simple conditions and with easy operation. The millimetre-sized mesoporous carbon spheres prepared by the method have the characteristics of adjustable size, large specific surface area, large pore volume and the like, and can be used as adsorbent for hemoperfusion and the like.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Micro stress supporting structure of satellite-borne space reflector

The invention provides a micro stress supporting structure of a satellite-borne space reflector. The micro stress supporting structure comprises a primary mirror, a primary mirror base and a primary mirror core shaft; the primary mirror is fixedly connected with the primary mirror core shaft; the primary mirror core shaft passes through the center hole of the primary mirror; the small end of the primary mirror abuts against the primary mirror positioning plate of the primary mirror core shaft; a mechanical limiting boss is designed on the primary mirror core shaft; the primary mirror core shaft is provided with a primary mirror rubber pad, a primary mirror metal pad, a first pressing ring and a second pressing ring respectively; the first pressing ring is provided with a boss; after the micro stress supporting structure is installed, the primary mirror rubber pad presses the fixing end surface of the large end of the primary mirror; the boss of the first pressing ring presses the primary mirror metal pad; the non-protruding surface of the first pressing ring presses the mechanical limiting boss; and the second pressing ring presses the first pressing ring. With the micro stress supporting structure provided by the invention adopted, the magnitude of a pressing force to the primary mirror applied by the pressing rings of the primary mirror can be controlled quantitatively and mechanically, and the fastening degree of the primary mirror can be improved, and requirements for the surface shape of the primary mirror after clamping can be satisfied.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Safe and stable suspension bridge and construction technology thereof

The invention discloses a safe and stable suspension bridge and a construction technology thereof. The construction technology specifically includes the following steps that 1, firstly, the whole suspension bridge is divided into a steel arch foot bearing platform, a steel mixing joint section, a pure steel structure section, a cross beam section and a tower crown decoration section according tothe different structure composition; 2, embedded parts are set in a designated position, and pouring is conducted on the embedded parts to prepare the steel arch foot bearing platform; 3, the steel mixing joint section is constructed on the steel arch foot bearing platform; 4, after the steel mixing joint section is constructed, the pure steel structure section is constructed; 5, the cross beam section is constructed on the pure steel structure section, and fixation is then conducted; 6, finally, the tower crown decoration section is built and fixed on the upper portion of the cross beam section. On the basis that the construction quality is guaranteed, the construction technology of the bridge is optimized, the whole construction process is relatively simple, the whole construction speedis increased and the construction period is shortened.
Owner:JIANGSU HUNING STEEL MECHANISM

Non-asbestos composite reinforcing fiber for sealing material and technique for producing the same

The invention provides a novel low-cost asbestos-free composite reinforced fiber for a sealing material and a production technology. The fiber is environment-friendly and degradable, has no pollution, and can increase shock resisting strength and tensile resisting strength of the sealing material. The production technology is simple, has low production cost, and is suitable for batch production of the sealing material. The asbestos-free composite reinforced fiber for the sealing material comprises the following raw materials in weight portion: 50 to 90 portions of rock wool or granulated wool, 15 to 30 portions of wood fiber, 2 to 5 portions of coupling agent, and 3 to 5 portions of compatilizer. The preparation technology comprises the following steps: firstly, taking the raw materials in the weight portion; secondly, cutting the rock wool or the granulated wool; thirdly, washing the raw materials by using water through a centrifugal machine to remove dregs and obtain main fiber, and controlling the content of dreg balls at between 0.5 and 1 percent; and fourthly, adding the wood fiber into the main fiber, mixing the mixture at high speed, drying the mixture after the mixing, spraying the coupling agent and the compatilizer in the drying process, and finally obtaining the composite reinforced fiber, wherein the drying temperature is between 105 and 150 DEG C, and the drying time is between 1 and 2 hours.
Owner:韩德忠

Self-etching copper surface bonding agent and preparation method thereof

The invention discloses a self-etching copper surface bonding agent and a preparation method thereof, and belongs to the technical field of chemicals for printed circuit board production. The bonding agent comprises an oxidizing agent, a nitrogen-containing heterocyclic ring copolymer, a hydroxyl-containing solvent, organic acid and the balance of deionized water, wherein the oxidizing agent is at least one of bivalent copper salt, trivalent iron salt, peroxide and persulfate; the nitrogen-containing heterocyclic ring copolymer is a polymer prepared by free radical copolymerization of a nitrogen-containing heterocyclic ring monomer, an alkyl acrylate monomer and a hydrophilic monomer according to the mass ratio of (20-90): (5-50): (5-15), the hydroxyl-containing solvent is at least one of an alcohol compound and an alcohol ether compound, and the organic acid is organic carboxylic acid. According to the bonding agent, two technologies of chemical micro-etching and chemical bonding are combined, the adhesive force between the copper surface and different photoresist can be effectively improved and kept stable, the change of the copper surface appearance is small, and meanwhile the requirements of fine line processing and high-frequency signal transmission on the copper surface appearance can be met.
Owner:KUNSHAN CITY BANMING ELECTRONICS SCI & TECH

Preparation method and use of millimetre-sized mesoporous carbon spheres

The invention belongs to the field of inorganic nano material synthesis and particularly relates to a preparation method and use of millimetre-sized mesoporous carbon spheres. The preparation method comprises the following steps of: dissolving resorcinol in ethanol serving as a solvent; adding furfural and ethanol solution of hydrogen chloride, and stirring the mixture at 0 to 15 DEG C for 10 to 120 minutes; adding aqueous solution of hexamethylenetetramine and pore-forming material into the prepared solution to obtain solution of a precursor; adding the prepared solution of the precursor into liquid max containing an emulsifier, and stirring the solution to perform per-polymerization; volatilizing the solvent, filtering the remaining material, and washing and drying the product obtained by filtration; and carbonizing the product to obtain the millimetre-sized mesoporous carbon spheres. The preparation of the millimetre-sized mesoporous carbon spheres of the invention is performed under simple conditions and with easy operation. The millimetre-sized mesoporous carbon spheres prepared by the method have the characteristics of adjustable size, large specific surface area, large porevolume and the like, and can be used as adsorbent for hemoperfusion and the like.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

A safe and stable suspension bridge and its construction technology

The invention discloses a safe and stable suspension bridge and a construction technology thereof. The construction technology specifically includes the following steps that 1, firstly, the whole suspension bridge is divided into a steel arch foot bearing platform, a steel mixing joint section, a pure steel structure section, a cross beam section and a tower crown decoration section according tothe different structure composition; 2, embedded parts are set in a designated position, and pouring is conducted on the embedded parts to prepare the steel arch foot bearing platform; 3, the steel mixing joint section is constructed on the steel arch foot bearing platform; 4, after the steel mixing joint section is constructed, the pure steel structure section is constructed; 5, the cross beam section is constructed on the pure steel structure section, and fixation is then conducted; 6, finally, the tower crown decoration section is built and fixed on the upper portion of the cross beam section. On the basis that the construction quality is guaranteed, the construction technology of the bridge is optimized, the whole construction process is relatively simple, the whole construction speedis increased and the construction period is shortened.
Owner:JIANGSU HUNING STEEL MECHANISM

An all-solid-state lithium-sulfur battery

The invention discloses an all-solid-state lithium-sulfur battery, comprising a sulfur positive electrode, a lithium or lithium alloy negative electrode, and a lithiated sulfonic acid polymer solid electrolyte diaphragm; the solid electrolyte diaphragm is located between the sulfur positive electrode and the lithium or lithium alloy negative electrode; the sulfur positive electrode Including sulfur-containing active material, conductive agent and lithiated sulfonic acid polymer; sulfur positive electrode, lithiated sulfonic acid polymer solid electrolyte, lithium or lithium alloy negative electrode are sequentially stacked and assembled to form a battery. The room temperature ionic conductivity of the lithiated sulfonic acid polymer solid electrolyte is >10 ‑5 S / cm, no complex lithium salt is required, the preparation method is simple, and the room temperature ionic conductivity of the lithiated sulfonic acid polymer solid electrolyte is better than that of general inorganic-organic composite solid electrolytes. The polymer emulsion is used to prepare the sulfur positive electrode sheet, and an efficient "sulfur / carbon / solid electrolyte" interface is built inside the electrode to improve the activity of the sulfur electrode and obtain a battery with excellent performance; and the existing electrode sheet coating process and equipment, which is conducive to large-scale production.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

A micro-stress support structure for a space-borne space mirror

A micro-stress supporting structure of a space-borne space mirror provided by the present invention includes a primary mirror, a primary mirror seat, and a primary mirror core shaft. The primary mirror is fixedly connected with the primary mirror mandrel, the primary mirror mandrel passes through the primary mirror central hole, and the small end of the primary mirror is close to the primary mirror positioning plate of the primary mirror mandrel. A mechanical limit boss is designed on the main mirror mandrel, and a main mirror rubber pad, a main mirror metal pad, a first pressure ring and a second pressure ring are sequentially installed on the main mirror mandrel. The first pressure ring has a boss. After the installation is completed, the rubber pad of the primary mirror is pressed against the fixed end surface of the large end of the primary mirror, the boss of the first pressure ring is pressed against the metal pad of the primary mirror, the non-convex surface of the first pressure ring is pressed against the mechanical limit boss, and the second The pressure ring tightly presses the first pressure ring. The support structure provided by the present invention can mechanically and quantitatively control the pressing force of the primary mirror pressure ring on the primary mirror, which can not only improve the fixing and fastening degree of the primary mirror, but also meet the surface shape requirements of the primary mirror after clamping .
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Plastic electrode and preparation method thereof, and aqueous sodium-ion battery and preparation method thereof

The invention discloses a plastic electrode and its preparation method, as well as a water-based sodium ion battery and its preparation method. The preparation method of the plastic electrode includes: mixing electrolyte salt and deionized water into an electrolyte solution; adding a surfactant and a moisturizing agent into the electrolyte solution , mix into a uniform solvent matrix; add the conductive material into the solvent matrix, and disperse the conductive material evenly in the solvent matrix; add positive / negative active materials and binders; A water-based sodium-ion battery plastic electrode paste with a three-dimensional network structure formed by cross-linking of the binder. The plastic electrode of the present invention is a stable mixture of active material and electrolyte, the electrolyte is locked in the plastic electrode, the ion diffusion path is reduced when the battery is charged and discharged, the ionic impedance and electronic impedance are greatly reduced, and it is beneficial to large-scale output; the preparation and operation of the electrode of the present invention The battery assembly is completed synchronously, and the liquid injection process is omitted, which simplifies the battery preparation process.
Owner:太仓中科赛诺新能源科技有限公司
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