32results about How to "The preparation process is simple and convenient" patented technology

The invention provides a quantum dot display device and a manufacturing method thereof. According to the quantum dot display device, a colorful filter layer has exquisite quantum dot patterns, and therefore the display device has the higher resolution, color saturation and color gamut, and is reasonable in structure, so that the manufacturing technology of the quantum dot display device is simple. According to the manufacturing method of the quantum dot display device, by means of existing coating, exposure, development and other processes of an existing color filter, the exquisite quantum dot patterns are obtained by manufacturing red and green quantum dot resin compositions containing surface modification, and then the quantum dot display device with the high resolution, color saturation and color gamut is obtained. According to the method, the raw material preparation and manufacturing technology is simple, few materials are consumed, the production cost is low, and the quantum dot display device is applicable to mass production.

The invention discloses a waste PET (Polyester) heat-proof tackifying and reinforcing composite material and a preparation process thereof. The preparation raw materials of the waste PET heat-proof tackifying and reinforcing composite material include a waste PET material, a nucleating agent, a compound chain extender, a toughening agent, a reinforcing agent, a dispersant and an antioxidant. When the waste PET heat-proof tackifying and reinforcing composite material is prepared, a first mixture formed by mixing the waste PET material and the toughening agent is added from a main feed port, the nucleating agent, the compound chain extender, the dispersant and the antioxidant are added from a powder side beside the main feed port in a feeding way, and the reinforcing agent is added from the feed port positioned at an extruder side, so that a small amount of powdery auxiliary agent and a main material can be uniformly mixed and the quality of a finished material is enhanced in such a unique charging way. The preparation process of the waste PET heat-proof tackifying and reinforcing composite material, which is disclosed by the invention, has the advantages of simple process and easiness for industrialization; and the waste PET heat-proof tackifying and reinforcing composite material disclosed by the invention has the advantages of high crystallization rate, high heat-proof temperature and excellent mechanical property.

The invention belongs to the technical field of 3D printing and particularly relates to silicon nitride ceramic slurry and a preparation method of porous silicon nitride ceramic. The silicon nitride ceramic slurry contains the following components in parts by weight: 30 parts of polysilazane liquid, 14.5-83 parts of silicon nitride powder, 2.5-9 parts of a sintering aid, 7-40 parts of light-cured resin, 0.2-0.6 part of a photoinitiator and 0-0.9 part of a dispersing agent. The invention further provides a preparation method of the porous silicon nitride ceramic. The preparation method comprises the steps of sequentially carrying out photocuring formation, degreasing and sintering on the silicon nitride ceramic slurry. The porous silicon nitride ceramic prepared by virtue of the scheme has the beneficial effects that the porosity and the pore sizes are controllable, the pores are uniformly arrayed, the dimensional precision and the formation efficiency are high, a preparation process is simple and optimal, and the application of the porous silicon nitride ceramic in the fields of medical treatment, chemical engineering and electrons can be promoted.

The invention relates to a cross-linked polyethylene fusion-bonded insulated cable joint and its manufacturing and installation process, belonging to the technical field of the electrical industry. It includes a cable, a shielding layer, an inner sheath and an outer sheath from the inside to the outside, the cable includes a conductive layer and an insulating layer from the inside to the outside, and the conductive layer includes a conductor layer and an inner sheath from the inside to the outside. The semiconductor layer, the insulating layer is a cross-linked polyethylene insulating layer formed by melting cross-linked polyethylene insulating tape; the shielding layer is a semi-conductive paint layer; the outer protective layer includes a steel armor, a waterproof layer from the inside to the outside and armor belt. The invention adopts the method of directly melting the cross-linked polyethylene insulating layer with the cross-linked polyethylene tape, so that the manufacturing and installation process of the cross-linked polyethylene fusion-bonded insulating cable joint is very simple and convenient, and the success rate and efficiency are improved .

The invention provides anti-crack impervious concrete, belonging to the technical field of building materials. The anti-crack impervious concrete comprises the following components in parts by mass: 200 to 300 parts of cement, 100 to 150 parts of coal ash, 950 to 1100 parts of gravels, 850 to 1050 parts of sand, 0.5 to 1 part of nanometer inorganic oxide, 0.5 to 1 part of nanometer zinc oxide, 6 to 12 parts of an additive, 1 to 3 parts of a self-repairing agent and 155 to 170 parts of water. According to the invention, the nanometer inorganic oxide, the nanometer zinc oxide, the additive and the self-repairing agent are used as main raw materials, the small-size effect, the surface interface effect, the self-repairing effect, the surface energy condition technology and the like of nanomaterials are used for improving and optimizing the pores and compactness of the concrete, and water is blocked through self-repairing to repair cracks; a hydration heat release rate and pore solution surface energy are reduced by inhibiting moisture evaporation of a concrete mixture in condensation and hardening, so the volume stability of the concrete is maximized; and finally, self-repairing is conducted on cracks which possibly occur. Therefore, the concrete has crack resistance and impermeability in a full-period range, and the durability and the structural safety of the concrete are improved.

The invention discloses an environment-friendly wood-like pencil plastic preparation process, and relates to the technical field of pencil manufacturing and processing. The environment-friendly wood-like pencil plastic preparation process comprises the following steps that (1) refill granulation is carried out; (2) pencil skin granulation is carried out; (3) pencil holder granulation is carried out (4) wire pulling is carried out; (5) cutting polishing is carried out; (6) eraser head assembling is carried out; (7) trademark printing is carried out; (8) sharpening is carried out; (9) cleaning is carried out; and (10) packaging is carried out. A plastic pencil proposed by the invention is proper in material selection and reasonable in formula, the produced pencil is exquisite in appearance,free of refill leaning, free of refill breaking, moderate in rolling and cutting hardness, smooth in writing and strong in coloring, plastic is used for replacing wood, a large amount of wood is saved, and the national forest resources and ecological environments are reasonably and effectively protected.

The invention discloses a thaumasite form of sulfate attack (TSA) inhibitor and a preparation method. Mainly constituent components of the TSA inhibitor comprise sepiolite powder, an ionic curing agent, a mineral admixture, sodium silicate, polyacrylamide, an iron salt, glycerol monostearate and the like. The TSA inhibitor can be used for effectively inhibiting the formation of thaumasite, can be used for effectively curing a SO4<2-> ion and retarding the migration rate of the SO4<2-> ion for a long time, is used for improving the pore structure and the penetration resistance of concrete, and on the basis of having no adverse influences on the workability and the mechanical performance of the concrete, can be used for effectively improving and solving the influence, which is brought to the safety of a structure, of the concrete due to the TSA; further, the sources of raw materials to which the TSA inhibitor relates are wide; the preparation process is simple; the popularization and the application are suitable.

The invention discloses a core and a coil of a triangular three-dimensional wound core transformer and an assembly method for the core and the coil and belongs to the technical field of transformers. The core of the triangular three-dimensional wound core transformer comprises three single frame cores which are mutually spliced at an angle of 60 degrees, wherein the single frame cores are wound or folded by core plates with joints; the core plates with the large plate widths are arranged at the inner side of a single frame core window; the core plates with the small plate widths are arranged at the outer side of the single frame core window; and the plate widths of the core plates are gradually reduced from the inner side to the outer side of the single frame core window. The coil of the triangular three-dimensional wound core transformer is wound according to the shape of a cross section of a core column. The invention also discloses an assembly method for the core and the coil of the triangular three-dimensional wound core transformer. The core of the invention has lighter weight, the core material is saved, the core structure is simplified, the production manufacturability of the core is enhanced, the structure is more compact, and the anti-short circuit capability of the transformer is improved.

The invention discloses a difunctional electrochromic energy storage device which comprises a substrate and a functional layer deposited on the substrate, and a film layer structure of the functionallayer comprises a conductive layer, a middle functional layer and an electrolyte layer which are sequentially deposited on the substrate. According to the bifunctional electrochromic energy storage device, a ZPEM / V2O5 / ITO electrochromic device is constructed through the prepared self-supporting Zn<2+>-based polymer electrolyte membrane (ZPEM), the electrochromic device with the simplest device structure and three membrane layers is achieved, and the bifunctional electrochromic energy storage device has the dual-functional characteristics of electrochromism and energy storage. The invention further discloses a manufacturing method of a difunctional electrochromic energy storage device.

The invention discloses a method for catalyzing hybrid polymerization of an alkene monomer and a cyclic ester monomer by using an imidazole ionic liquid, which comprises the following steps of: reacting the cyclic ester monomer, the alkene monomer, an epoxide, a catalyst and an organic solvent in a vacuum atmosphere at a certain temperature, cooling to room temperature, completely dissolving a product by using chloroform, and purifying by using a methanol solution acidified by hydrochloric acid to obtain the imidazole ionic liquid. And drying in vacuum to obtain the corresponding hybrid copolymer. A catalytic system used in the hybrid polymerization method is the ionic liquid, the method is green and environment-friendly, the applicable monomer range is wide, meanwhile, the preparation process is simple and convenient, additional cocatalysts and initiators do not need to be added, and a new thought is provided for synthesizing high-value polymer materials with new characteristics.

The invention belongs to the technical field of sulfhydryl biological small molecule detection, in particular to a perylene-based small molecular fluorescent probe and a preparation method and application thereof. The preparation method comprises the following steps: first performing a nitration reaction on 1-position carbon or 3-position carbon of perylene so as to connect a nitro group, then reducing the nitro group into an amino group, then replacing the amino group with maleic anhydride so as to obtain two small molecular fluorescent probes adopting novel structures, provided by the invention, wherein the two small molecular fluorescent probes adopts the chemical structural formulae shown as a formula (I) or a formula (II). When the small molecular fluorescent probe is combined with a sulfhydryl biological small molecule in a biological cell, green light is emitted, which is significantly different from background blue light of the biological cell; the small molecular fluorescent probe has the advantages of high sensitivity, good selectivity and low biological toxicity; in addition, the preparation process is simple and optimized, and the detection cost of the sulfhydryl biological small molecule is greatly reduced.

The invention relates to a wave spring with a nanometer erosion resistant coating. The wave spring with the nanometer erosion resistant coating is characterized in that a main body of a the wave spring with the nanometer erosion resistant coating is a washer type spring with a plurality of sine in the peripheral direction, the nanometer erosion resistant coating is covered on the main body structure, and the nanometer erosion resistant coating comprises, by weight, 20-80 parts of polyurethane, 40-80 parts of polyvinyl benzene and 1-10 parts of organic clay. The wave spring with the nanometer erosion resistant coating is simple in preparation technology, convenient to prepare, excellent in coating film performance, and low in cost.

The invention discloses a process for preparing a pencil through micro-foaming of polystyrene, and relates to the technical fields of manufacturing and processing of pencils. The preparation process comprises the following steps: (1) granulation of a pencil core; (2) granulation of a pencil skin; (3) granulation of a pencil holder; (4) wire drawing; (5) cutting and polishing; (6) assembling of a rubber eraser head; (7) trademark printing; (8) sharpening; (9) cleaning; and (10) packaging. The process provided by the invention has the following advantages: a micro-foaming technology is utilized,so the process has short pencil manufacturing cycle period, is reduced in cost, and has simple, convenient and practicable operation; the pencil produced by using the process provided by the invention has exquisite and beautiful appearance, does not generate core shift and core breaking, has moderate curling hardness, is smooth to write and has strong coloring property; in addition, the process provided by the invention saves a large amount of high-quality wood, reasonably and effectively protects national forest resources, protects the ecological environment at the same time, and has a greatsignificance on environmental protection in China.

The invention discloses a waste PET (Polyester) heat-proof tackifying and reinforcing composite material and a preparation process thereof. The preparation raw materials of the waste PET heat-proof tackifying and reinforcing composite material include a waste PET material, a nucleating agent, a compound chain extender, a toughening agent, a reinforcing agent, a dispersant and an antioxidant. When the waste PET heat-proof tackifying and reinforcing composite material is prepared, a first mixture formed by mixing the waste PET material and the toughening agent is added from a main feed port, the nucleating agent, the compound chain extender, the dispersant and the antioxidant are added from a powder side beside the main feed port in a feeding way, and the reinforcing agent is added from the feed port positioned at an extruder side, so that a small amount of powdery auxiliary agent and a main material can be uniformly mixed and the quality of a finished material is enhanced in such a unique charging way. The preparation process of the waste PET heat-proof tackifying and reinforcing composite material, which is disclosed by the invention, has the advantages of simple process and easiness for industrialization; and the waste PET heat-proof tackifying and reinforcing composite material disclosed by the invention has the advantages of high crystallization rate, high heat-proof temperature and excellent mechanical property.

The invention discloses a stable compound famotidine chewable tablet and a preparation method thereof. The preparation method comprises the following steps: preparing granules A from famotidine, polyethylene glycol and hydroxypropyl methylcellulose, preparing granules B from calcium carbonate and magnesium hydroxide, uniformly mixing the granules A and the granules B, adding an additional auxiliary material C, and tabletting to obtain the stable compound famotidine chewable tablet. The famotidine chewable tablet is good in stability, famotidine can be continuously released, the famotidine chewable tablet has a taste masking effect, the friability smaller than or equal to 1.0% can be obtained under the hardness of 30-120 N, good easy-chewing performance and low friability are provided, and the preparation process is a conventional process, is simple and convenient and is easy for industrial production.

The invention belongs to the technical field of coatings, and provides a preparation method of cyclodextrin-based water-based UV resin and an application thereof by aiming at solving the problem of applying cyclodextrin to water-based UV coatings. The method comprises the followings steps: dissolving cyclodextrin in an organic solvent, and adding succinic anhydride and an alkaline catalyst; afterthe reaction is finished, filtering, removing impurities, extracting with an aqueous solution, washing, taking an aqueous phase solution, and drying to obtain an intermediate product; dissolving the intermediate product in deionized water; dissolving halogenated olefin into an organic solution, dropwise adding the solution of the intermediate product into the solution, and heating for reaction; cooling to room temperature, separating liquid, taking a water-phase solution, extracting with a solvent, and drying a water-phase product; and dissolving the dried product in deionized water to obtainthe cyclodextrin water-based UV resin. The cyclodextrin and succinic anhydride are subjected to a ring-opening reaction to obtain a carboxyl-terminated waterborne cyclodextrin ester derivative, the carboxyl-terminated waterborne cyclodextrin ester derivative and halogenated olefin are further subjected to an etherification reaction to prepare waterborne cyclodextrin resin containing double bonds,and a wood lacquer formula is prepared based on the resin and has excellent coating performance.

The invention discloses a long-acting water-based cleaning agent and a preparation method thereof. The long-acting water-based cleaning agent is prepared from the following raw material components: 20-50 parts of base glue, 8-15 parts of a flame retardant, 5-8 parts of a surfactant, 10-20 parts of a solvent, 8-13 parts of a curing agent, 1-4 parts of an adhesion promoter, 2-4 parts of a catalyst, 2-4 parts of an antioxidant, 7-20 parts of filler and 50-100 parts of water. The long-acting water-based cleaning agent provided by the invention is a water-based cleaning agent prepared by taking water and base glue as main materials and other auxiliaries and fillers as auxiliary materials, and has the characteristics of low toxicity, environment friendliness and efficient cleaning, the preparation process is simple and optimized, and good comprehensive performance of an insulator can be kept; and the preparation method disclosed by the invention is relatively low in cost, easy to prepare, small in smell and low in toxicity in the cleaning process.

The invention discloses an environmentally-friendly high-seepage epoxy grouting material for seepage-proofing and reinforcement of a large geotechnical engineering foundation and a preparation method and application thereof. The environmentally-friendly high-seepage epoxy grouting material comprises the following components in parts by mass: 30-60 parts of epoxy resin, 5-10 parts of activating agent, 30-80 parts of carbonyl compound, 5-20 parts of active diluting agent, 10-20 parts of polyamine A, 1-3 parts of silane coupling agent, 0-3 parts surfactant and 1-6 parts of accelerant. In the epoxy grouting material, furfural with high toxicity is eliminated, damage to human body and the environment is reduced, and epoxy slurry is more environmentally-friendly; and simultaneously, the superior permeability, high mechanical property as well as easy and convenient preparation process and construction process of furfural-acetone system slurry are kept.

The invention belongs to the technical field of coatings. The invention solves the problem of using cyclodextrin in water-based UV paint, and provides a preparation method and application of cyclodextrin-based water-based UV resin. Dissolve cyclodextrin in an organic solvent, add succinic anhydride and a basic catalyst; filter after the reaction, remove impurities, extract with aqueous solution, wash, take the aqueous phase solution, and dry to obtain an intermediate product; dissolve the above intermediate product in deionized water Dissolve the halogenated olefin in the organic solution, add the solution of the intermediate product dropwise to the solution, and heat up to react; cool to room temperature, separate liquids, take the aqueous phase solution, extract with solvent, and dry the aqueous phase product; dissolve the dry product in deionized water to obtain cyclodextrin aqueous UV resin. The carboxyl-terminated and water-based cyclodextrin ester derivatives are obtained through the ring-opening reaction of cyclodextrin and succinic anhydride, and further etherified with halogenated olefins to prepare water-based cyclodextrin resins containing double bonds. Based on this The resins are formulated into wood lacquer formulations with excellent finishing properties.

The invention discloses a taste-masking compound famotidine chewable tablet. The compound famotidine chewable tablet is prepared by the following steps: preparing famotidine granules from famotidine and polyoxyethylene water-soluble resin (PEO), preparing calcium carbonate and magnesium hydroxide granules from calcium carbonate and magnesium hydroxide, uniformly mixing the two granules, adding an additional auxiliary material A, and tabletting to obtain the compound famotidine chewable tablet. The chewable tablet can obtain the friability smaller than or equal to 1.0% under the hardness of 40-100 N, is good in stability and has a taste masking effect.

The invention relates to a synthetic method for a light-emitting polyacrylic material containing an acrylate functional group polyhedronal oligomeric silsesquioxane rare earth complex. The synthetic method comprises: firstly performing coordination on acrylate functional group polyhedronal oligomeric silsesquioxane and a rare earth compound by virtue of coordination chemistry principles; then dispersing the acrylate functional group polyhedronal oligomeric silsesquioxane rare earth complex in an acrylic monomer for in-situ mass polymerization; and finally obtaining the light-emitting polyacrylic material containing the acrylate functional group polyhedronal oligomeric silsesquioxane rare earth complex, wherein the material has good light transmittance, heat stability and a fluorescence property. The synthetic method provided by the invention is simple in synthetic steps, mild in condition, free of any additives and easy to control conditions, and the whole synthetic equipment is easy to construct and is of great innovation, so that industrial production of the light-emitting polyacrylic materials is facilitated.

The invention discloses a convenient-to-install lithium-ion battery and a manufacturing method thereof. The convenient-to-install lithium-ion battery comprises a lithium battery core and a protectivecasing, wherein mounting parts are arranged at two ends of the top of the protective casing; each mounting part comprises a spring, a connecting plate, a pressing block, connecting rods, a support sleeve, a fixing rod and protruding heads; the lower end of each spring is fixedly connected with the upper surface of the protective casing and the upper end is fixedly connected with the correspondingconnecting plate; and each pressing block is fixedly arranged on the corresponding connecting plate. The manufacturing method comprises the following steps of manufacturing a positive terminal; manufacturing a negative terminal; manufacturing a lithium-ion battery casing; manufacturing mounting plates; and preparing an electrolyte. Through the mounting parts, overall installation is facilitated, and meanwhile, increase of the surface area of the lithium battery is facilitated through a cooling groove, so that the heat dissipation effect is high; and electrostatic interference is prevented through a conductive fiber ring; the preparation technology of the lithium battery is simple and convenient in operation and the safety protection performance of the lithium-ion battery is greatly improved.

The invention discloses a thaumasite form of sulfate attack (TSA) inhibitor and a preparation method. Mainly constituent components of the TSA inhibitor comprise sepiolite powder, an ionic curing agent, a mineral admixture, sodium silicate, polyacrylamide, an iron salt, glycerol monostearate and the like. The TSA inhibitor can be used for effectively inhibiting the formation of thaumasite, can be used for effectively curing a SO4<2-> ion and retarding the migration rate of the SO4<2-> ion for a long time, is used for improving the pore structure and the penetration resistance of concrete, and on the basis of having no adverse influences on the workability and the mechanical performance of the concrete, can be used for effectively improving and solving the influence, which is brought to the safety of a structure, of the concrete due to the TSA; further, the sources of raw materials to which the TSA inhibitor relates are wide; the preparation process is simple; the popularization and the application are suitable.