1161results about How to "Easy to realize industrialization" patented technology

The invention discloses a preformed material for post-tensioned prestressing pipeline vacuum grouting or mudjacking and a preparation method thereof. The preformed material includes the following components by weight percent: 65 to 95 percent of silicate cement, 0.01 to 3 percent of high-range water-reducing agent, 0 to 1 percent of stabilizing agent, 0.05 to 5 percent of retarding agent, 1 to 20 percent of expanding agent, 0.2 to 2 percent of corrosion inhibitor, 0.01 to 1 percent of air entraining agent and 0 to 30 percent of mineral materials, wherein by uniformly and proportionally mixing the silicate cement, the high-range water-reducing agent, the stabilizing agent, the retarding agent, the expanding agent, the corrosion inhibitor, the air entraining agent and the mineral materials, the post-tensioned prestressing pipeline vacuum grouting or mudjacking preformed material can be obtained. After being uniformly mixed and stirred with water with neutral pH value according to the water cement ratio ranging from 0.24 to 0.32, the preformed material can be used, the obtained grouting material has the advantages of low water cement ratio, favorable flowability, no water bleeding and delamination, and favorable pumpability; meanwhile, the preparation method of the preformed material is simple and the raw material sources of the preformed material are wide.

The invention relates to a method for protecting anode of a lithium sulfur battery. A diaphragm functional protective coating can be used for effectively suppressing the generation of lithium dendrites on the surface of a lithium anode, improving the safety of the battery and prolonging the cycle life of the battery, and slurry mixing is carried out by controlling the types and the proportion of a carrier, an adhesive, an additive and the like of the coating to prepare a diaphragm with the functional protective coating for protecting the lithium anode. The operation process is simple, and the protective layer can be used for effectively suppressing the generation of the lithium dendrites; and meanwhile, the additive is continuously released from the carrier, a layer of the protective diaphragm is continuously formed on the surface of the lithium anode to protect the lithium anode, and the safety and the cycling performance of the lithium sulfur battery are further improved.

The invention belongs to the field of quantum dot light-emitting diodes and provides a quantum dot light-emitting layer, a preparation method thereof and a QLED. The quantum dot light-emitting layer comprises quantum dots and ligands chelated with the quantum dots. Each ligand comprises C2-C10 compounds containing polar coordinating groups and has the charge transmission property. The preparation method comprises the steps of providing a mixed solution of the quantum dots and the ligands having the charge transmission property, preparing a quantum dot solution containing the ligands having the charge transmission property, and forming a quantum dot light-emitting layer by utilizing the quantum dot solution in the deposition manner. Or, the method comprises the steps of respectively providing a ligand solution having the charge transmission property and the quantum dot light-emitting layer, subjecting the quantum dot light-emitting layer and the ligands having the charge transmission property to the replacement reaction, and obtaining a quantum dot light-emitting layer containing chelated ligands having the charge transmission property. The QLED comprises a cathode layer, an anode layer and an organic functional layer. The organic functional layer comprises the above quantum dot light-emitting layer.

The invention discloses high-conductivity graphene conducting resin and a preparation method thereof. The conducting resin comprises, by mass, 0.1-98% of graphene and 2-99.9% of a binding agent; the grapheme contains polarity functional groups, the polarity functional groups account for 0-30% of the quantity of the grapheme, the binding agent is a polymer or/and a polymer monomer, when the polymer is used as a binding agent, the conducting resin also contains a solvent, the conducting resin comprises, by mass, 1-90% of the solvent, and the sum of all quantity contents of components in the conducting resin is 100%. According to the conducting resin, the electrical conductivity is excellent, the heat radiation performance is good, the conducting resin has adjustable light transmission performance and good ductility and elasticity, the preparation method is simple, the industrialization is easy to achieve.

The invention discloses an assembled integral shear wall structure system and a construction method thereof. Prefabricated composite wallboards are hoisted and assembled integrally at a construction site; a board body of the prefabricated composite wallboards comprises a structural layer, an insulating layer and a protective layer from the inside to the outside in turn; a reinforcement cage is arranged in the structural layer; the insulating layer is an extruded polystyrene foam plastic board; steel meshes are arranged in the concrete of the protective layer; and anchor bolts in a dotted distribution are connected among the structural layer, the insulating layer and the protective layer. Vertical seams and horizontal seams of prefabricated composite walls adopt structural self-waterproofing, so that common quality problems such as leakage and cracks and the like in a traditional process are solved. The prefabricated composite walls simplify construction processes, speed up the construction, and lower the construction cost. Furthermore, products prefabricated in a factory have uniform specifications and unified quality, so that the construction quality of a building construction can be sufficiently guaranteed; the industrialization, standardization, and generalization of the building walls are realized; and the products can be widely applicable to the construction of reinforced concrete buildings in the construction industry.

The invention discloses medicinal sustained-release hydrogel as well as a preparation method and an application thereof. Monodisperse medicament-containing calcium alginate microspheres are prepared by adopting a high-pressure electrostatic sessile drop method, to realize direct encapsulation of growth factors and keep the activity of medicaments; and the medicament-carrying calcium alginate microspheres are put into the netlike structure of the hydrogel to realize sustained release of the medicaments. The matrix of the hydrogel contains carboxymethyl chitosan and polyvinyl alcohol, the volume ratio of the carboxymethyl chitosan solution to the polyvinyl alcohol solution is n: (6-n), 0<n<=4, and the release rate of the medicaments is controlled through different volume ratios.

The invention relates to a complex antibacterial fiber, a fabric and a preparation method thereof, in particular to an irradiation grafting coordination group on the surface of the fiber and on the surface of the fabric, the complex antibacterial fiber loading antibacterial components Ag, Cu and Zn and the composition thereof, the fabric and the preparation method thereof. The method improves the mobility of the antibacterial components in a fiber surface liquid film, has favorable sterilization effect and antibacterial effect, is suitable for modification of organic polymer fibers and fabrics of various types and preparation of corresponding broad-spectrum antibacterial fibers and fabrics, does not generate negative influences on the hygroscopicity, the air permeability and the mechanical properties of the fibers and the fabrics, has simple preparation technology, and is convenient to realize industrialization and lower the production cost.

The invention discloses a super-hydrophobic paper and a production method thereof. The production method comprises the steps as follows: forming a modified nanometer silicon dioxide coating with the particle size of 50-100 nm on the surface of general paper with texts or pictures, wherein the water contact angle on the surface of the paper is more than 150 DEG and the rolling angle of a water drop on the surface of the paper is less than 10 DEG. The texts and the pictures on the surface of the super-hydrophobic paper are clear, so that the super-hydrophobic paper has a wide application prospect in the fields of self cleaning, water and moisture prevention, book magazine and the like. The production method is simple in process, low in cost, environment-friendly and easy for industrialization, and does not need complex chemical treatment and expensive instrument equipment.

The invention provides marine biomaterial composite hydrogel dressing and a preparation method thereof and relates to the technical field of medical dressing. The hydrogel dressing is prepared from asodium alginate-fish collagen mixed solution and a chitosan-crosslinking agent mixed solution, wherein the sodium alginate-fish collagen mixed solution is prepared from sodium alginate, fish collagen,polyvinyl alcohol, sodium carboxymethyl cellulose, pectin, glycerin, propanediol and distilled water; the chitosan-crosslinking agent mixed solution is prepared from chitosan, a crosslinking agent, glacial acetic acid and distilled water. The invention also provides the preparation method of the dressing. The sodium alginate-fish collagen mixed solution is cultured at the constant temperature, the chitosan-crosslinking agent mixed solution is added, the mixture reacts, and the hydrogel dressing is obtained. The hydrogel dressing has excellent mechanical property, moisture retention and biocompatibility, accelerates wound repairing, can diminish inflammation and perform sterilization, has no wound inflammation reaction, effectively promotes wound healing, is easy to remove and does not stick to a wound surface.

The invention provides a solid-phase preparation method for buserelin. The method comprises the following steps of: 1) preparing a Fmoc-Pro-HMPB-MBHA resin with degree of substitution of between 0.15 and 0.80mmol/g from Fmoc-Pro-OH and a HMPB-MBHA resin with degree of substitution of between 0.2 and 0.9mmol/g by a solid-phase synthesis method; 2) gradually coupling remaining protected amino acid of the Fmoc-Pro-HMPB-MBHA resin according to a peptide sequence to obtain buserelin-HMPB-MBHA resin; 3) cracking the buserelin-HMPB-MBHA resin to obtain fully-protected peptide; and 4) performing ethyl amination, deprotection and purification on the obtained fully-protected peptide to obtain buserelin. The invention aims to provide a buserelin solid-phase synthesis method which has the advantages of high yield, low cost, mild reaction conditions, small environmental pollution and contribution to realizing industrialization.

The invention discloses an embedded fan-out type silicon pinboard applied to three-dimensional system-level packaging. The front side of a silicon substrate is provided with a concave cavity whose side wall has certain gradient, the reverse side is provided with a vertical interconnection structure extending to the bottom of the concave cavity, and the vertical interconnection structure includes a plurality of mutually independent conductive columns; the front side of the silicon substrate and the side wall and the bottom of the concave cavity are provided with first metal interconnection layers used for being connected with a microelectronic chip bonding pad placed in the concave cavity and manufacturing a front side leading-out end; and the reverse side of the silicon substrate is provided with a second metal interconnection layer to be used for manufacturing a reverse side leading-out end, the first metal interconnection layers and the second metal interconnection layer are insulated from the silicon substrate, and the conductive columns are electrically connected with the first metal interconnection layers and the second metal interconnection layer. The invention also discloses a manufacturing method of the embedded fan-out type silicon pinboard and application to packaging, by use of the concave cavity combined with the vertical interconnection structure, application to three-dimensional system packaging is further realized on the basis of meeting requirements of high density, small size and low cost, thereby improving product performance.

The invention relates to a nitrogen-doped carbon-coated manganese monoxide composite material with a one-dimensional porous core-shell structure and a preparation method of the nitrogen-doped carbon-coated manganese monoxide composite material. The composite material is doped with nitrogen, is in a one-dimensional porous carbon-coated manganese monoxide core-shell structure; manganese monoxide is in a nano rodlike structure; and an outer layer of a manganese monoxide nanorod is coated with an amorphous carbon layer. The nitrogen-doped carbon-coated manganese monoxide composite material is obtained by an in-situ polymer coating method accompanied by burning. The preparation method of the composite material is simple and novel, and high in adjustability; and meanwhile, nitrogen-doped carbon can store lithium ions. Due to the ingenious design, the specific capacity of the composite material exceeds the theoretical specific capacity of the manganese monoxide; furthermore, according to the composite material, the problems of low capacity and fast attenuation caused by poor conductivity and high volumetric strain of a pure manganese monoxide material are solved; and the composite material has excellent electrochemical properties, cycle lifetime and structural stability.

The invention provides an alternating current driven quantum dot light emitting diode. The alternating current driven quantum dot light emitting diode comprises a substrate, a bottom electrode, a quantum dot light emitting layer and a top electrode, and also comprises a first ion liquid layer arranged between the top electrode and the quantum dot light emitting layer; the first ion liquid layer is prepared from a first ion liquid which only includes negative ions and positive ions; the first ion liquid is in a liquid state at a temperature range of minus 10 to 200 DEG C; and under the alternating current driving, the first ion liquid layer forms an interface double electrode layer on the interface between the quantum dot light emitting layer and the top electrode.

The invention relates to the technical field of electronic packaging and discloses a metal heat-conducting substrate and a manufacturing method thereof. An insulating medium slurry layer is printed on a metal substrate and molten by a laser ablation method to form an insulating medium layer, and a metal circuit slurry layer is printed on the insulating medium layer and molten by the laser ablation method to form a metal circuit layer, so that a well-insulated radiating passage is provided. The laser melting method has the advantages of achieving extremely high pattern accuracy, contributing to product miniaturization and precision, simplifying the technology of a manufacturing process, preventing pollution, saving materials, lowering cost and achieving good radiating effect.

The invention is applicable to the field of flexible sensors and provides a conductive rubber material for a flexible sensor and a preparation method and application of the conductive rubber material. The conductive rubber material comprises, by weight, 100 parts of rubber base bodies and conductive filler, wherein the conductive filler comprises, by weight, 5-50 parts of conductive black and/or 20-100 parts of silver-containing conductive filler bodies; the conductive rubber material is made in the mode that the conductive filler is dispersed in the rubber material, and radiation crosslinking is conducted through electron beams or gamma rays.