27results about How to "Adhesive" patented technology

The invention provides a high-temperature-resistant carbon fiber reinforced phenolic resin composite material and a preparation method thereof. The preparation method comprises the following steps: firstly, carrying out high-temperature oxidation treatment on carbon fibers; secondly, carrying out surface modification on the carbon fibers by using a chemical modifier; then mixing the modified carbon fiber, an antioxidant and a dispersing agent to prepare slurry; performing vacuum filtration on the prepared slurry, and drying to obtain a carbon fiber blank; preparing a phenolic resin infiltration solution, and impregnating the carbon fiber blank with the phenolic resin infiltration solution; and finally, carrying out mold pressing and curing to obtain the high-temperature-resistant carbon fiber reinforced phenolic resin composite The preparation method is simple in required equipment, convenient to operate, stable in process, high in production efficiency and suitable for large-scale industrial production. According to the high-temperature-resistant carbon fiber reinforced phenolic resin composite material prepared by the preparation method, the bonding property between the carbon fiber and the phenolic resin is improved, certain toughness and strength are provided, and meanwhile, the high-temperature-resistant carbon fiber reinforced phenolic resin composite material has the advantages of ablation resistance, good oxidation resistance in a high-temperature environment and the like.

The utility model discloses a cable beneficial to heat dissipation, which belongs to the technical field of cables and comprises an outer sheath, a cable core, a partition plate, heat-conducting silica gel and a heat dissipation pipe, the cable core, the partition plate, the heat-conducting silica gel and the heat dissipation pipe are all arranged in the outer sheath, the cable core, the partition plate and the heat-conducting silica gel are arranged in the heat dissipation pipe, and the heat dissipation pipe is arranged in the outer sheath. The heat-conducting silica gel is filled between the partition plate and the cable core; the cable has the beneficial effects that the heat dissipation effect of the cable can be improved by arranging the heat conduction silica gel, the heat conduction silica gel has good heat conduction performance and is matched with the heat dissipation pipe and the heat dissipation fins, meanwhile, the heat conduction silica gel has certain bonding performance and can improve the toughness of the cable, and by arranging the expansion holes, when the temperature of the cable is high, the heat conduction silica gel can expand, and the heat dissipation effect of the cable can be improved. The expansion holes can be compressed when the heat conduction silica gel is compressed, so that the volume can be dispersed, the heat conduction silica gel cannot excessively extrude the outer sheath, and the service life of the outer sheath can be prolonged.

The invention discloses antibacterial bristles as well as a preparation method and application thereof. The preparation method of the antibacterial brush hair comprises the following steps: after the brush hair is subjected to oxygen plasma treatment, adding a chitosan solution and a cyanuric chloride solution, reacting under the conditions that the pH is 6-7 and the temperature is less than or equal to 15 DEG C, soaking in a quaternary ammonium salt solution, and drying to obtain the antibacterial brush hair. The antibacterial brush hair prepared by the method has excellent antibacterial property and lasting antibacterial effect, is wide in applicability and is easy for industrial production. The invention also provides the antibacterial brush hair prepared by adopting the method and application of the antibacterial brush hair.

The invention discloses a preparation method of low-temperature sintered ceramic. The preparation method comprises the following steps: S1, pretreating kaolin; s2, modifying kaolin; s3, preparing a ceramic green body; s4, preparing a glaze material; and S5, preparing the low-temperature sintered ceramic. According to the low-temperature sintered ceramic provided by the invention, the kaolin is pretreated and modified, and the special grinding aid is added in the preparation process of the ceramic green body, so that the sintering temperature of the ceramic is effectively reduced, the sintering process is optimized, low-temperature sintering of the ceramic is realized, the energy consumption is reduced, and the production efficiency is also improved; the method has remarkable economic benefits and environmental protection significance, and the prepared ceramic has good mechanical properties.

The invention provides a light-emitting diode, a preparation method and LED equipment, the light-emitting diode comprises a substrate and an epitaxial structure, the epitaxial structure comprises an N-type semiconductor layer and a P-type table, the P-type table comprises a multi-quantum well layer and a P-type semiconductor layer, the N-type semiconductor layer is provided with a first current blocking part, and the P-type semiconductor layer is provided with a second current blocking part; the P-type semiconductor layer is provided with a second current blocking part, a third current blocking part and a transparent conductive part, the first current blocking part is provided with a plurality of first adhesion metal parts, a plurality of second adhesion metal parts are arranged between the second current blocking part and the third current blocking part, the first adhesion metal parts are provided with first reflection metal parts, and the second adhesion metal parts are provided with second reflection metal parts. And a second reflection metal part is arranged on the plurality of second adhesion metal parts. By arranging the first adhesion metal part, the second adhesion metal part, the first reflection metal part and the second reflection metal part, the metal structure has the adhesion force, and meanwhile the light reflection effect is enhanced.

The application belongs to the field of paint, and particularly discloses PU white primer, a preparation method and application thereof. The PU white primer comprises A component, B component and C component. The A component comprises hydroxyl acrylic acid resin, castor oil, dispersing agent, defoaming agent, cyclohexanone, silicon dioxide, titanium white powder, talcum powder, calcium carbonate, butyl acetate, leveling agent, organic tin and propylene glycol methyl ether acetate. The B component comprises butyl acetate, HDI trimer and isocyanate prepolymer. The C component comprises dimethylbenzene, butyl acetate, propylene glycol methyl ether acetate and dimethyl carbonate. The PU white primer has the advantages of water resistance, high temperature resistance, adhesion, adhesion, hiding power and strong flexibility, and has superior comprehensive performance, is green and safe, low in cost, and is very suitable for being used as wood and stone surface primer in kitchens, bathrooms and the like.

The present invention discloses a method for preparing a molybdenum-sodium alloy target with high coating performance, and the steps are as follows: 1. preparing a mixed powder; 2. sintering the mixed powder using a medium frequency sintering furnace to obtain a Mo-Na alloy sintered powder for standby use; 3. grinding, stirring and screening the Mo-Na alloy sintered powder to obtain a Mo-Na alloy powder for standby use; 4. pressing the Mo-Na alloy powder to obtain a target blank for standby use; 5. turning the target blank to obtain a finished Mo-Na alloy tube target. Step 6: cleaning, inspecting and packaging the product after turning to obtain a Mo-Na tube target with high coating performance. The method of sintering first and then pressing can improve the uniformity of the distribution of Na elements in the molybdenum-sodium alloy, and ensure the normal alloying process of the molybdenum-sodium alloy target while controlling the proportion of the Na element, thereby laying a theoretical and practical foundation for the coating application of the molybdenum-sodium alloy target in the target field.

The invention discloses supramolecular hydrogel capable of being used as a carrier as well as a synthesis method and application of the supramolecular hydrogel. The drug-loaded supramolecular hydrogel is prepared from the following raw materials: laponite, beta-cyclodextrin modified sodium hyaluronate, (ferrocenyl methyl) trimethyl ammonium bromide and the balance of deionized water. Wherein the hectorite is a substance for forming the network structure of the supramolecular hydrogel serving as the carrier. The supramolecular hydrogel can be used as a macrophage extracellular vesicle carrier for treating burn wounds, has injectable, proper viscosity, porous structure, antibacterial property and the like, is beneficial to wound closure, tissue regeneration, collagen synthesis, cell proliferation and angiogenesis, and is beneficial to tissue regeneration and remodeling.

The invention discloses an organic particle and a preparation method thereof, an emulsion, an isolating membrane, a secondary battery monomer and an electric device. The organic particles comprise secondary particles formed by gathering primary particles, and the primary particles comprise first organic particles and second organic particles; the interiors of the first organic particles are of hollow structures, and the second organic particles are binder particles. According to the embodiment of the invention, the organic particles are used in the isolating membrane, so that the secondary battery monomer has high reliability and good cycle performance.

The invention discloses a mussel bonding imitating organosilicone marine antifouling paint, which is characterized in that catechol group modified polysiloxane resin is synthesized on the basis of an effective component catechol group bonded by mussels, and then the organosilicone marine antifouling paint with firm bonding performance and low surface energy performance is prepared. Firstly, a modified polysiloxane precursor is synthesized through a reversible addition-fragmentation chain transfer polymerization reaction, and then grafting of catechol groups on target polysiloxane resin is achieved through an ammonolysis reaction of a dopamine polymer, so that the polymerization inhibition effect of phenol groups is overcome, and synthesis of a target polymer is achieved. The coating can be applied to antifouling of marine facilities, and is particularly suitable for various marine facilities immersed in a seawater environment for a long time.

The invention discloses a heating inactivation type active toxic wastewater treatment system which comprises a first inactivation tank, the top of the first inactivation tank is communicated with a feeding port, the side faces of the feeding port and a discharging port are both communicated with first heat exchange pipes, the tops and the bottoms of a second inactivation tank and a third inactivation tank are both communicated with feeding ports and discharging ports, and the tops and the bottoms of the second inactivation tank and the third inactivation tank are communicated with second heat exchange pipes. The invention relates to a wastewater treatment system. According to the heating inactivation type active toxic wastewater treatment system, a first water pump absorbs wastewater in a first inactivation tank into a heat exchange cylinder through a first heat exchange pipe, and a second water pump absorbs wastewater in a second inactivation tank and a third inactivation tank into a hot water pipe through a water inlet pipe and a second heat exchange pipe; therefore, heat exchange among the first inactivation tank, the second inactivation tank and the third inactivation tank is achieved, the purposes of heating the first inactivation tank and saving part of steam are achieved, the second inactivation tank and the third inactivation tank can be cooled more quickly after absorbing heat, and the subsequent cooling efficiency of the second inactivation tank and the third inactivation tank is improved.

The invention relates to the technical field of soil remediation, in particular to a saline-alkali soil ecological remediation method. The ecological restoration method for the saline-alkali soil comprises the following steps: (1) adding a saline-alkali soil modifier into the saline-alkali soil; (2) applying a microbial fertilizer to the saline-alkali soil; (3) applying a mixed microalgae solution to the saline-alkali soil; and (4) carrying out rotation planting on saline-alkali tolerant plants in the treated saline-alkali soil. According to the comprehensive and systematic ecological restoration method for the saline-alkali soil, the saline-alkali soil modifier, the microbial fertilizer and microalgae treatment are organically combined, saline-alkali tolerant crops are planted in the saline-alkali soil in a rotation mode, the restoration effect of the saline-alkali soil can be effectively improved, and a solution is provided for an actual engineering project.

This invention provides a polyacrylate binder for lithium-ion battery separator coating and its preparation method, relating to the field of lithium-ion battery materials technology. The binder comprises emulsion particles with a core-shell structure, prepared by soap-free emulsion polymerization. The soap-free emulsion includes functional monomers, hard monomers, soft monomers, rigid monomers, and post-crosslinking monomers. The core-shell structure includes a core layer, an intermediate layer, and an outer layer. The core layer is copolymerized from hard monomers and functional monomers; the intermediate layer is copolymerized from functional monomers, soft monomers, and rigid monomers; and the outer layer is copolymerized from hard monomers, soft monomers, and functional monomers. This invention, through its three-layer core-shell structure design, achieves a unified approach to separator base film adhesion, prevents re-adhesion during high-temperature transportation, ensures good adhesion to positive and negative electrode sheets under room temperature cold pressing, and provides excellent electrolyte resistance, thus solving the technical problems commonly found in existing PMMA coating processes.

The invention relates to the technical field of inorganic composite fillers, and discloses a preparation method and application of a polyphenol compound-based modified heat-conducting insulating filler, and the preparation method comprises the following steps: step 1, dispersing a heat-conducting insulating filler in water, adding an alkaline solvent and a polyphenol compound, washing, centrifuging, drying and grinding to obtain solid powder; 2, dropwise adding a hydrogen peroxide aqueous solution into the chitosan-acetic acid aqueous solution, and reacting to obtain low-molecular-weight chitosan; step 3, adding chitosan with low molecular weight into an alkaline solvent for ultrasonic dispersion, then adding the solid powder, stirring, washing and drying to obtain modified solid powder; and 4, mixing the modified solid powder with hexamethyldisilazane, and reacting in a reaction kettle to obtain the modified heat-conducting insulating filler. The polyphenol compound is adopted to modify the heat-conducting insulating filler, and meanwhile, chitosan is added, so that the compatibility and dispersity are improved, and the heat-conducting insulating material has excellent heat-conducting insulating performance.

The application discloses a kind of image velocimetry system for blood vessel, the method for blood vessel pathological change risk assessment, blood vessel detection device-nanoparticle composition and its application, it is related to image processing field, the system includes: targeted visualization nanoparticle administration unit, double-ring scanning optical probe, CMOS imaging device, image acquisition and double-domain correlation processing module, coupling mechanics parameter calculation module.The application utilizes double-ring scanning optical probe to combine external CMOS imaging device, realizes the efficient transceiving and transmission of nanoparticle fluorescence signal;By performing digital image correlation and microscopic particle image velocimetry on image sequence, finally obtain the time synchronization data of blood vessel wall deformation, near-wall blood flow velocity and shear stress and other mechanical parameters, and based on this, the assessment and early warning of blood vessel pathological change risk are carried out.

The utility model discloses a maintenance-free bearing for textile machinery, which is applied to the technical field of bearings and comprises a bearing outer ring and a bearing inner ring arranged in the bearing outer ring, a plurality of balls are arranged between the bearing inner ring and the bearing outer ring, a plastic oil seat is arranged between the bearing outer ring and the bearing inner ring, and the plastic oil seat is connected with the bearing outer ring through a connecting rod. The plastic oil seat is in a U-shaped ring shape, the ball is located in a U-shaped groove of the plastic oil seat, and the plastic oil seat is made of a high-molecular polymer material which fully absorbs lubricating oil. According to the utility model, saturated lubricating oil is adsorbed by a high-molecular polymer material to form the plastic oil seat, and the plastic oil seat has certain viscosity and adhesivity, so that gaps in the bearing can be filled, external dust, moisture and impurities are prevented from entering the bearing, and a good sealing effect is achieved; the plastic oil seat in a working state can enable adsorbed grease to be lubricated and seep under the action of stress, and the grease is sucked back to the temporal part of the plastic oil seat when the plastic oil seat is static, so that solid-liquid double-phase lubrication is realized.

The application provides antifreeze coal double-component paint and application thereof, and belongs to the technical field of antifreeze coal. The antifreeze coal double-component paint provided by the application comprises a main agent and a curing agent which are separately stored; the main agent comprises the following components in parts by mass: 100 parts of fluorocarbon resin, 5-15 parts of polytetrafluoroethylene powder, 5-15 parts of basalt powder, 3-12 parts of mica iron oxide, 2-3 parts of glass flake, 1-5 parts of silane coupling agent, 15-25 parts of flame retardant, 3-5 parts of wetting dispersant, 0.5-1 part of defoaming agent, 0.5-1 part of leveling agent, 0.5-1.2 parts of ultraviolet light absorber, 0.5-0.8 parts of light stabilizer and 10-25 parts of organic solvent. The antifreeze coal double-component paint provided by the application can effectively solve the problem of frozen coal in the process of coal transportation and storage, and avoid the adverse effects of traditional chemical methods on coal quality.

This invention discloses a galvanized steel sheet with good adhesion to an electron beam-cured coating, comprising a galvanized steel sheet, at least one surface of which has a composite coating. The composite coating contains the following effective components: an aqueous cationic polymer resin A, comprising 45-75 parts by weight; a compounded organosilane coupling agent B, comprising 15-45 parts by weight; the compounded organosilane coupling agent B is formed by the mixed hydrolysis and condensation of at least one organosilane coupling agent B1 containing an epoxy functional group and at least one organosilane coupling agent B2 containing an amino functional group; a silane coupling agent C containing unsaturated bonds, comprising 3-10 parts by weight; a water-soluble fluorine-containing compound D, wherein the fluorine element comprises 1.5-5 parts by weight; and a water-soluble phosphorus-containing compound E, wherein the phosphorus element comprises 2-5 parts by weight. This invention also discloses a surface treatment agent for galvanized steel sheets and a method for manufacturing a galvanized steel sheet with good adhesion to an electron beam-cured coating.

The invention provides a preparation process for compacting a silicon carbide coating on the surface of a carbon fiber thermal insulation material, which comprises the following steps: carrying out surface treatment on a hard carbon fiber felt matrix, uniformly coating the treated matrix surface with aquadag, and carrying out carbonization treatment and graphitization treatment to form a graphite sealing blocking layer on the matrix surface; according to the preparation method, the strength of the coating covering the surface of the base body is improved, the bonding strength between the coating and the base body is effectively improved through the silicon carbide coating prepared on the basis, and meanwhile the preparation method has the advantages of being simple in process, low in production cost and the like.

The invention relates to a high-strength and high-density ceramsite proppant for petroleum fracturing and application, and the proppant is prepared from the following raw materials in parts by weight: 30-50 parts of kaolin, 10-16 parts of montmorillonite, 8-12 parts of basalt, 6-8 parts of coal gangue, 6-8 parts of diatomite, 4-6 parts of vesuvianite, 10-20 parts of potassium phosphate solution and 2-5 parts of aluminum powder. According to the proppant provided by the invention, the kaolin, the montmorillonite, the basalt, the coal gangue, the diatomite and the pelelith are matched, so that the strength of the proppant is ensured, the strength of the proppant is obviously improved to a certain extent due to the addition of the pelelith, the breakage rate of the proppant is reduced, and meanwhile, the high density of the proppant is also ensured.

This invention belongs to the field of inorganic nanoparticle preparation technology, and relates to a ball milling modification method for bifunctionalized thin-layer hexagonal boron nitride: Hexagonal boron nitride powder, guanidine hydrochloride, and urea are continuously heated and stirred to obtain a homogeneous mixture of a eutectic solvent formed by guanidine hydrochloride and urea and the hexagonal boron nitride powder; this mixture is poured into a ball mill jar containing grinding balls and a liner, and a certain amount of ethanol and water are added as dispersants for high-energy ball milling; after the material is separated from the grinding balls, the milled material is vacuum filtered, dried, and the resulting powder is dispersed in water, then ultrasonicated, allowed to stand, vacuum filtered, and dried to obtain bifunctionalized thin-layer hexagonal boron nitride. This invention not only has the advantages of readily available raw materials and simple process, but also high efficiency, environmental friendliness, and low energy consumption. The hexagonal boron nitride obtained by this method has thinner layers, good biocompatibility, low relative density, and good thermal conductivity.

The invention discloses a coating composition as well as a preparation method and application thereof, and relates to the technical field of coatings. The coating composition comprises a component A and a component B, the component A is prepared from the following components in parts by mass: 45 to 70 parts of hydroxyl-terminated hyperbranched polyester resin, 10 to 20 parts of acrylic acid modified alkyd resin, 10 to 30 parts of talcum powder, 3 to 6 parts of zinc stearate, 1 to 2 parts of functional additive and 6 to 10 parts of solvent; the component B is prepared from the following components in parts by mass: 40 to 50 parts of TDI (toluene diisocynate) adduct, 10 to 20 parts of TDI tripolymer and 32 to 48 parts of butyl acetate. The coating composition has the effect of no blistering in thick coating, is moderate in drying speed, good in water resistance and flexibility and low in harmful substance content, is beneficial to improving the coating construction efficiency, and is suitable for being used as a primer to be applied to furniture coating.

The utility model belongs to the technical field of optical reflector assembly accessories, and provides an optical reflector supporting structure which comprises a tool base and a reflector support. A mounting groove is formed in the middle of the tool base, a reflecting mirror support is inserted into the mounting groove, a reflecting mirror is arranged at the top of the reflecting mirror support, and a filling gap is reserved between the reflecting mirror support and the reflecting mirror; the reflector support is of an inverted U-shaped structure, and the shape of the mounting groove is matched with the shape of the reflector support. The filling gap is filled with UV glue; the area of a point is improved into the area of a surface, so that the bonding area of the UV glue is effectively increased; the point curing area is improved into the surface curing area, so that the ultraviolet irradiation area is effectively increased; the bonding area of the two points is optimized and improved to be the bonding area of the whole face, and the overall thrust is effectively improved by 2.5 times.

The invention relates to the technical field of high-frequency machines, and discloses high-frequency equipment for plastic products and a technological method.The high-frequency equipment comprises a rack, an air switch, a feeding conveying table, a discharging conveying table, an operation table, a controller, a high-voltage transformer, a high-frequency oscillator, a cooler and a cross-linking plate, and the feeding conveying table is arranged at the feeding end of the rack; the control end of the controller is connected with the air switch and the control end of the cooler, the output end of the cooler is arranged on the high-frequency oscillator, the output end of the high-voltage transformer is connected with the input end of the air switch, and the output end of the high-voltage transformer is connected with the input end of the air switch. The output end of the air switch is connected with the input end of the high-frequency oscillator, the output end of the high-frequency oscillator is connected with the input end of the cross-linking plate, and the output end of the cross-linking plate is connected with the pressing die on the operating platform. According to the high-frequency machine technology, high-frequency energy is improved, automatic feeding and discharging are achieved, time and labor are saved, and bonding at the welding position is firmer.

The utility model relates to the related technical field of stomach tube fixing pastes, in particular to an easy-to-disassemble stomach tube fixing paste which comprises a stomach tube and a square fixing paste attached to the stomach tube, a skin exposing paste is arranged in the middle of the square fixing paste, and a stomach tube wrapping assembly is installed on the square fixing paste. The fixing paste combination assembly is arranged on the skin exposed paste, connected to the stomach tube wrapping assembly in an attached mode and used for wrapping the stomach tube on the fixing paste combination assembly. The square fixing patch can be attached to the skin or a bandage in advance and kept still, the breathable wrapping patch is attached to the stomach tube again, the breathable wrapping patch is not directly attached to the skin of a patient, the breathable wrapping patch further has adhesiveness, the stomach tube fixing patch is prevented from loosening due to secondary attachment, and the stomach tube is placed on the lower hook-and-loop fastener, so that the stomach tube is prevented from being damaged. And the stomach tube can be firmly wrapped by the magic tape.

This invention relates to the field of battery technology, specifically to a battery. The battery includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive current collector and a positive active material layer. The positive active material layer includes a three-dimensional network framework and positive active material located within the three-dimensional network framework. The three-dimensional network framework is formed by a conductive binder, which includes carbon nanotubes and an adhesive layer. Along the thickness direction of the positive active material layer, the positive active material layer includes a first surface away from the positive current collector, and the conductive binder is distributed on the surface of the first surface. The separator includes a carrier layer and a coating layer. The coating layer adjacent to the first surface of the positive electrode is a first coating layer. The proportion W of the projected area of ​​the first coating layer on the surface of the carrier layer in the surface area of ​​the carrier layer is 5%-65%. The battery of this invention has high interfacial adhesion between the separator and the positive electrode, which can maintain good adhesion during cycling, improving the cycle performance of the battery.

The invention discloses an evaluation method for researching the risk of transgenic crops on soil springtails through a litter approach based on artificial soil, and belongs to the technical field of agricultural production. The evaluation method comprises the following steps: uniformly mixing quartz sand, kaolin and activated carbon powder according to a mass ratio of 88: 25: 10, and adding water to prepare artificial soil; the litters of the transgenic crops and the control crops are cut into blocks and then sterilized, and the sterilized litters are obtained; respectively adding sterilized litters of a transgenic crop and a control crop into the surface layer of the artificial soil, and uniformly mixing the sterilized litters with the artificial soil after the sterilized litters absorb water to obtain a soil springtail culture medium; adding soil springtails for culture, detecting the number, body length and related functional enzyme content of the soil springtails after culture, and comparing the influence of litters of transgenic crops and control crops on the fitness of the soil springtails. The method is closer to a real natural state and can be operated repeatedly.