981results about How to "Excellent adhesion" patented technology

The preparation method comprises the following steps: mixing polysaccharide gum with water, carrying out wet ultrafine grinding to obtain an ultrafine polysaccharide gum aqueous solution, and uniformly infiltrating the polysaccharide gum into cellulose or derivatives thereof by adopting high-shear mixing to form micelles; and promoting the micelles to form a honeycomb structure through microwave vacuum drying, and finally spraying ultrapure water atomized by high pressure to the honeycomb micelles and drying to obtain the hydrogel for absorbing grease. The water absorption capacity of the prepared hydrogel reaches 100 times or above, the storage modulus is 1350 Pa or above, grease can be efficiently absorbed, and the hydrogel has wide development prospects in the field of weight-reducing medicine or food.

The invention provides a production process of an enameled wire and an enameled round aluminum wire, and relates to the technical field of enameled wire production, the production process of the enameled wire comprises the following steps: material selection: selecting an aluminum rod wire with a preset aluminum content as a base material; cleaning: cleaning oil stains and impurities on the surface of the aluminum rod wire; painting: coating the cleaned aluminum rod wire with an insulating paint liquid with a preset paint film thickness; and baking: baking the aluminum rod wire coated with the insulating paint liquid so as to generate a paint film with insulating property on the surface of the aluminum rod wire. Through multiple processes such as material selection, cleaning, painting and baking, the aluminum rod wire rod with the preset aluminum content is selected as a base material, oil stains and impurities on the surface of the aluminum rod wire rod are cleaned, then the cleaned aluminum rod wire rod is coated with the insulating paint liquid with the preset paint film thickness, and finally the aluminum rod wire rod coated with the insulating paint liquid is baked. Therefore, the mechanical strength, the electrical performance and the heat resistance of the enameled round aluminum wire are improved.

The invention relates to the technical field of highway engineering, in particular to pavement crack repairing equipment which comprises a vehicle body, a stirring tank, a moving assembly, a cleaning assembly and a vibration assembly. Wheels are arranged at the bottom of the vehicle body, a push rod is fixedly connected to one side of the vehicle body, and an image sensor is arranged at the end, away from the push rod, of the vehicle body; a bottom opening of the stirring tank penetrates through the vehicle body and extends to the bottom of the vehicle body, the bottom opening of the stirring tank is communicated with a hose, the moving assembly is arranged at the bottom of the vehicle body corresponding to the bottom opening of the stirring tank, and the top of the moving assembly is fixedly connected with the bottom of the vehicle body; the cleaning assembly is arranged at the end, close to the image sensor, of the bottom of the vehicle body, the top mounting end of the cleaning assembly is fixedly connected with the bottom wall of the vehicle body, the vibration assembly is arranged at the end, close to the push rod, of the bottom of the vehicle body, and the top mounting end of the vibration assembly is fixedly connected with the bottom wall of the vehicle body.

The present invention relates to a resin composition, a resin film using the same, a printed wiring board, and a semiconductor package, the resin composition containing: (A) a thermosetting resin; (B) a compound that is liquid at 25 DEG C, has a reactive group, and has a molecular weight of 1000 or less; (C) an inorganic filler; and (D) a silane coupling agent.

The invention discloses finish machining equipment and a scroll compressor dynamic and static scroll plate, and relates to the technical field of machining machine tools. The machine comprises a machine body, a stand column is arranged in the machine body, a machine head is installed on the stand column, and a workbench located under the machine head is installed on one side of the stand column; the clamping piece comprises a base plate detachably installed on the workbench, the middle of the base plate is connected with a bearing ring frame used for installing the dynamic and static vortex plates, three air cylinder clamping rods are installed on the base plate in an array mode along the circumference of the base plate, and a pneumatic clamp located in the bearing ring frame is installed in the middle of the base plate. The overflow disc is arranged on the bottom disc of the clamping piece, a large amount of cooling liquid can be injected into the peripheral side of the clamping piece and the surface of the workpiece through the overflow disc, the state of soaking part of the workpiece is formed, continuous overflow of the cooling liquid can guarantee circulating heat exchange of the cooling liquid, meanwhile, the workpiece and a tool can be soaked more comprehensively through soaking of the workpiece, and the machining efficiency is improved. Local heating softening of the workpiece is avoided, and safety is improved.

The invention discloses a stable curing material of high-expansibility heavy metal polluted clay and a preparation method of the stable curing material, belongs to the technical field of engineering materials and environmental engineering, and is used for solving the technical problems that in the prior art, all curing components in the stable curing material are poor in binding property and poor in adsorbability to polluted heavy metal elements. The preparation method comprises the following steps: synthesizing an intermediate A from composite carbide slag pellets, a modified adhesive, an alkaline excitation material, dead burned magnesium oxide, metakaolin, polyvinyl alcohol, chlorocyclopropane and methyltrimethoxysilane, reacting allyl bromide with methyl trichlorosilane to obtain allyl chlorosilane, reacting the intermediate A with allyl chlorosilane to obtain the modified calcium carbide slag pellets. The modified adhesive with high viscosity and strong adsorbability is obtained, the fly ash, the modifier and the carbide slag are mixed, and high-strength and high-stability composite carbide slag pellets are obtained through spheroidizing treatment and high-temperature calcination, so that the prepared stable curing material has the advantages of being excellent in adsorption curing performance and good in overall stability.

The present invention relates to the technical field of ecological concrete slurry, and specifically to an ecological seed-carrying slurry for the slope of a mine dump, a preparation method and its application. Aiming at the special environmental characteristics of the Inner Mongolia mining area, the present invention prepares a new type of artificial aggregate containing growth domains and seeds, which is composed of a three-layer structure, each layer having a specific function, so as to achieve the purpose of promoting the germination of multi-source species, plant growth, providing nutrition and improving the soil environment. The slurry can not only effectively utilize solid waste and reduce costs, but also adopts in-situ point-type layered hole sowing to shorten the vegetation restoration cycle in the ecological restoration of the slope, greatly improve the survival rate of tree and shrub seed sources, reduce the number of watering times, save restoration costs, and reduce the workload of management. While effectively promoting vegetation restoration, it strengthens the stability of the slope, prevents soil and water loss, slows down runoff and consolidates the soil, providing an efficient and sustainable solution for the ecological restoration of green mines in Inner Mongolia.

The invention provides a sealing sheet and a display, which are excellent in embedding property and seamless property when an optical semiconductor element is sealed, and are also excellent in embedding property and seamless property even when the sealing sheet is applied to a display in which a micro LED is used as a light source. A sealing sheet (1) for sealing an optical semiconductor element (5), in which a protective film and a resin composition layer (2) are arranged in this order, the resin composition layer (2) contains 5.3-48.2 parts by mass of metal oxide particles (B) per 100 parts by mass of the total of a resin (A), a monomer, and an oligomer, and the number average primary particle diameter of the metal oxide particles (B) is 5-50 nm. The refractive index of the resin composition layer (2) is 1.45 to 1.65.

Provided is a laminated piezoelectric film having excellent thermal stability, adhesion, and transparency. The present invention relates to a laminated piezoelectric film comprising: a piezoelectric film containing a fluorine-based resin as a main component; and a thermosetting hard coat layer laminated on at least one surface of the piezoelectric film, the laminated piezoelectric film having an absolute value of a thermal shrinkage rate of 1.0% or less in both a longitudinal direction (MD) and a transverse direction (TD) when heat treated at 100 DEG C for 30 minutes, an adhesion of the piezoelectric film and the thermosetting hard coat layer as evaluated on the basis of ASTM D3359 being 4B or more, and b * in an L * a * b * color system being-0.7 or more and 0.7 or less.

The utility model relates to the technical field of food processing, and discloses a convenient straight noodle anti-adhesion device, which comprises a first gas ejector pipe, a second gas ejector pipe, a plurality of first gas ejector holes, a plurality of second gas ejector holes and a plurality of second gas ejector holes, the first air spraying holes are used for blowing away the straight face strips falling from the front portion forwards, blowing away the straight face strips falling from the rear portion backwards and drying the cutting faces of the straight face strips. And the second air injection pipe is installed at the lower end of the middle guide plate and arranged behind the bent position of the straight face strip falling to the forming mesh belt, a plurality of second air injection holes inclining forwards are formed in the second air injection pipe, and the second air injection holes are used for blowing away the falling straight face strip forwards so as to slow down the speed of the straight face strip falling to the forming mesh belt. Therefore, the adhesion problem of the straight noodles is effectively avoided, and the adhesion rate of the noodles is remarkably reduced.

The invention discloses high-viscosity and high-elasticity modified asphalt and an asphalt composition, belongs to the field of asphalt, and solves the technical problem that the existing asphalt material lacks high-viscosity and high-elasticity modified asphalt suitable for diversified climates. The high-viscosity and high-elasticity modified asphalt suitable for diversified climates is prepared from the following raw materials in parts by mass: 100 parts of road petroleum asphalt, 2.5-4 parts of an epoxidized modified styrene-butadiene-styrene block copolymer, 5-10 parts of a hyperbranched polyester modified styrene-isoprene-styrene block copolymer, 5-10 parts of tackifying resin, 1-3 parts of a coupling agent, 1-3 parts of a coupling agent, 1-3 parts of a coupling agent, 1-3 parts of an antioxidant and 1-3 parts of a lubricant. The modified asphalt is prepared from, by weight, 1-2 parts of rubber powder, 1-2 parts of oleamide, 2-3 parts of bagasse fibers and 2-10 parts of other functional auxiliaries. The modified asphalt has the advantages of being high in viscosity and elasticity, suitable for various climates and the like.

The invention discloses a thermal visbreaking pressure-sensitive adhesive tape and a preparation method thereof.The adhesive tape comprises a release layer, a thermal visbreaking layer and a base material layer which are sequentially arranged in a stacked mode, and the thermal visbreaking layer is obtained by coating thermal visbreaking glue and then curing the thermal visbreaking glue; the heat-reduced adhesive comprises the following raw material components in parts by weight: 90-120 parts of acrylate copolymer resin, 5-15 parts of modified resin, 0.01-1 part of a curing agent, 2-10 parts of modified thermal expansion microspheres and 20-60 parts of a solvent. The modified thermal expansion microspheres are specially modified, so that the compatibility and weather resistance of the modified thermal expansion microspheres in an acrylate pressure-sensitive adhesive can be improved, and the thermal viscosity-reducing adhesive prepared by adding the modified thermal expansion microspheres into an acrylate copolymer resin has excellent normal-temperature adhesive force which is not inferior to normal adhesive tape adhesion; and after the adhesive tape particles are expanded at a proper temperature, controllable viscosity reduction and even viscosity loss requirements can be met, and no residual adhesive is generated on the surface of an adhered object.

The invention relates to a double-layer hydrogel dressing with double functions as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The hydrogel dressing is composed of an inner layer and an outer layer, the inner layer is a treatment layer with a diabetes wound healing promoting effect, and the outer layer is a detection layer with a blood glucose monitoring effect; the aperture of the hydrogel of the inner treatment layer is more than 10 times that of the hydrogel of the outer detection layer, and the inner layer and the outer layer are attached in a physical and chemical mode. According to the hydrogel dressing, the outer layer is small in pore diameter and compact in structure, the inner layer is large in pore diameter and loose in structure, the two layers are tightly combined, extraction of percolate and colorimetric detection of blood sugar at a wound are achieved, and the hydrogel dressing has excellent biocompatibility, antibacterial property, self-healing performance and swelling performance.

The invention discloses a graphene-modified flame-retardant polypropylene material and a preparation method thereof. Graphene is dispersed through maleic anhydride grafted polypropylene to form a master batch, and flame retardants such as piperazine phosphate and sulfonyl bis(ethane-2,1-diyl)bis(diphenylphosphine oxide) are added; the graphene-modified flame-retardant polypropylene material is prepared by master batch-melting-smelting, the dispersibility of graphene in polypropylene is enhanced, the graphene is evenly dispersed in the mixed system, and the dispersion and combination of the flame retardant in the polypropylene matrix are further enhanced; the good barrier properties of graphene and the intumescent flame retardant produce a good synergistic effect, so that the compactness of the carbon layer formed by combustion is enhanced, and the flame retardant performance of the material is significantly improved.

The invention relates to the field of road asphalt material regeneration and maintenance, in particular to a hot in-place recycling asphalt regenerant and a preparation method thereof. The hot in-place recycling asphalt recycling agent is prepared from the following raw materials in parts by weight: 100 to 140 parts of base oil, 2 to 5 parts of polylactic acid, 0.5 to 3.5 parts of cellulose, 5 to 10 parts of an inorganic auxiliary agent and 1 to 3 parts of an anti-aging agent, the inorganic auxiliary agent comprises one or more of diatomite and hydromica. The regenerant disclosed by the invention is added into the aged asphalt, so that the needle penetration of the aged asphalt is improved by 94.3-101.7 mm, the ductility at 5 DEG C is improved by 36.6-43.2 cm, the softening point is reduced by 5.9-9 DEG C, and the regenerant plays a great role in performance recovery of the aged asphalt.

The invention belongs to the technical field of aero-engines, and discloses an inclined combustion chamber which comprises a diffuser, an outer casing, an inner casing, a head supporting ring, a flame tube outer ring and a flame tube inner ring. An annular cavity is formed between the outer casing and the inner casing, the diffuser is arranged at an air inlet of the annular cavity, an air outlet of the diffuser is communicated with the air inlet of the annular cavity, the flame tube outer ring and the flame tube inner ring are both located in the annular cavity, the flame tube outer ring and the flame tube inner ring form a flame tube flow channel, and the flame tube outer ring and the outer casing form an outer ring flow channel. The flame tube inner ring and the inner casing form an inner ring flow channel; the center line of the air outlet of the diffuser, the center line of the flame tube runner, the center line of the outer ring runner and the center line of the inner ring runner are parallel to one another and form included angles with the axial center line of the rotating shaft. According to the inclined combustion cylinder, the radial fall of an inlet and an outlet is fully utilized, the axial length of a combustion chamber is short, and airflow flows smoothly.

The utility model relates to the field of medical protection article processing, and particularly discloses a feeding device for lead rubber sheet vulcanization processing, which comprises a lead rubber sheet roller, a glue injection box, a connecting side plate, a conveying roller and an extrusion roller, the lead rubber sheet side plates are arranged on the two sides of the lead rubber sheet roller, the lead rubber sheet motors are arranged on the lead rubber sheet side plates and penetrate through the lead rubber sheet side plates to be connected with the lead rubber sheet roller, the glue injection box is arranged on one sides of the lead rubber sheet side plates, the box inlet side plates are arranged on one side of the glue injection box, the box inlet roller is arranged between the box inlet side plates, and the box outlet roller is arranged between the box inlet side plates. An in-box roller is arranged in the glue injection box, one side of the connecting side plate is fixedly connected beside the glue injection box, the other side of the connecting side plate is connected with the vulcanizing machine, and the two ends of the conveying roller and the two ends of the extrusion roller are connected to the connecting side plate; according to the utility model, the woven cloth is adhered to the lead rubber sheet by glue, so that the lead rubber sheet is protected and fixed, and the lead rubber sheet is wrapped in the vulcanization process to prevent sundries from falling off.

The invention relates to the field of stirring, in particular to a stirring method which is carried out through a stirring bin, the stirring bin comprises a stirring bin body, a driving assembly and an auger, and the auger comprises a first stirring shaft, a second stirring shaft, a first spiral blade, a second spiral blade and a connecting plate which are arranged in parallel; the stirring method comprises the following steps: S1, a preheating stage; s2, a water adding stage; s3, an oil extraction stage; s4, a purification stage; s5, an oil drainage stage; and S6, a deslagging stage. According to the stirring method, water in the stirring bin body can be almost completely absorbed by oil residues, liquid in the stirring bin body is almost free of water except oil liquid, the extracted oil has the extremely high purity rate, the prepared oil does not need to be refined and can be directly filled for use, and the production cost is reduced. The nutritional oil is high-end nutritional oil which can be directly eaten, and the oil extraction rate and the oil extraction efficiency are relatively high.

The present invention provides a coating agent for a vapor deposition film, which contains a urethane resin (A) and an aqueous medium (B), and is characterized in that the urethane resin (A) is a reaction product of a composition that contains a polyester (A3) that is a polycondensate of a polycarboxylic acid component (A1) and a polyol component (A2), an active hydrogen group-containing compound (A4) having a hydrophilic group, and a diisocyanate (A5), the urethane resin (A) has an ester skeleton derived from the polyester (A3), and contains 10-100 mass% of at least one of an aromatic dicarboxylic acid and an acid anhydride thereof with respect to 100 mass% of the total amount of the polycarboxylic acid (A1), and the polyol component (A2) contains an alkylene glycol having 2-6 carbon atoms. The coating agent for a vapor deposition thin film exhibits excellent gas barrier properties and adhesiveness even in a normal state and after a retort treatment.

The invention belongs to the technical field of intravascular stents, and particularly discloses a degradable peripheral artery stent, the cross section of the degradable peripheral artery stent is of an annular structure, the degradable peripheral artery stent is applied to the peripheral artery of the human body and comprises a plurality of supporting units and connecting units in the axial direction of the stent, the connecting units are located between the supporting units, and the adjacent supporting units are connected through the connecting units; the supporting unit comprises an end supporting unit and a middle supporting unit, and the end supporting unit and the middle supporting unit are each of a closed-loop structure formed by intersecting a sine-like curve and a reverse sine-like curve. The stent is integrally formed through a 3D printing technology, and is high in structural stability and good in flexibility. According to the degradable peripheral artery stent of the structure, degradable polylactic acid is adopted as a stent material, inflammatory reaction caused by the fact that the stent exists in blood vessels for a long time is greatly avoided, and the stent has good flexibility and adherence performance under the condition that the stent has enough radial supporting force; and the risk of restenosis after the stent operation is reduced.

The invention relates to the technical field of vascular repair surgeries, in particular to a jet printing combined tool for in-situ preparation of vascular surgeries and a use method of the jet printing combined tool. The jet printing combined tool comprises a sacrificial tubular stent and an annular printing nozzle, and the two ends of the sacrificial tubular stent are used for being inserted into two fractures of a vascular defect part respectively; the sacrificial tubular stent is dissolved in blood after blood circulation, and when the sacrificial tubular stent penetrates through the annular printing spray head, the moving annular printing spray head is used for spraying printing ink towards the peripheral wall of the sacrificial tubular stent; the interior of the annular printing nozzle is of a hollow tubular structure, a feeding port is formed in the outer side of the annular printing nozzle, and a plurality of discharging ports are formed in the inner side of the annular printing nozzle in the radial direction. The annular printing nozzle and the sacrificial tubular stent are simple and portable in equipment, simple in operation process, short in printing time consumption, capable of effectively shortening the operation duration, low in technical requirement, capable of promoting tissue reperfusion, reducing the amputation rate and improving prognosis and suitable for the environment with poor medical conditions.

The invention discloses a double-sided antistatic PE protective film and a preparation method thereof.The protective film sequentially comprises a first antistatic coating, a film base material, a second antistatic coating and a glue layer from top to bottom, and when the protective film is prepared, the back face and the front face of the film base material are coated with the first antistatic coating and the second antistatic coating firstly, a PET release film is coated with glue, and then the first antistatic coating and the second antistatic coating are formed; and then compounding and rolling the PET release film and the protective film, and stripping the PET release film after curing to obtain the double-sided antistatic PE protective film. The PE protective film disclosed by the invention has excellent antistatic stability and adhesive force, the resistivity can reach 105 ohms, and the PE protective film can be used for a long time; meanwhile, the protective film is simple in preparation method, safe and environment-friendly, and raw materials are easy to obtain.

The present invention discloses a polyurethane hot melt adhesive and a preparation method thereof. The thermoplastic polyurethane hot melt adhesive is prepared by synthesizing raw materials including polymer diols, diisocyanates, and a chain extender containing furanamide groups. The present invention introduces a furanamide group having both a rigid structure and hydrogen bond interaction into the hard segment of the polyurethane. The hot melt adhesive can form a variety of non-covalent bond interactions with metal atoms, ions and polar groups on the surface of the substrate through the amide group and the oxygen atoms on the furan ring. The hot melt adhesive has excellent comprehensive bonding properties, including good initial bonding strength and final bonding strength, and repeatable bonding, and can be applied to bonding a variety of materials including metals, composite materials, and plastics.

The invention provides an engineered wood veneer carbon-based light energy-saving material and a cabinet door plate product thereof. The engineered wood veneer carbon-based light energy-saving material comprises a carbon-based core material and an engineered wood veneer, the carbon-based core material comprises 25-60 parts of bamboo charcoal powder, 5-15 parts of bamboo activated carbon powder, 10-20 parts of bamboo powder, 40-70 parts of thermoplastic polymer master batch and 1-10 parts of processing auxiliary materials; the technical wood veneer comprises a technical wood veneer and a water-based environment-friendly heterogeneous adhesive. The material is prepared by preparation of a carbon-based core material and processing and compounding of a technical wood veneer, wherein the preparation of the carbon-based core material comprises the steps of batching and weighing, high-speed stirring, melting and granulating, re-mixing and molding and post-processing; technical wood veneer processing and compounding cover veneer preparation, adhesive blending, uniform gluing, assembly pre-pressing and three-section type cold pressing curing. According to the technical wood veneer carbon-based light energy-saving material and the cabinet door plate product thereof, through material formula design and preparation process planning, light weight, high strength, heat insulation, low formaldehyde release and diversified decoration are integrated, and the low-cost environment-friendly target of resource recycling is achieved.

The invention discloses a turbine guide vane with a composite cooling structure. The interior of a guide vane cavity of the turbine guide vane is divided into a front edge impact area and a tail edge impact area by a partition plate; truss structures are arranged in the first double-layer wall structure of the front edge impact area and the second double-layer wall structure of the tail edge impact area; the air film holes are formed in the outer walls of the guide vanes at the intersection points, and the impact holes are formed in the first inner wall and the second inner wall in a matrix mode. The invention further provides a cooling method of the turbine guide vane. According to the structure, heat exchange in the guide vane is enhanced, the air film cooling effect of the outer wall of the guide vane is improved, and meanwhile, the truss matrix structure enables a double-layer wall structure in a cold air cavity of the guide vane to have good mechanical performance.

The invention discloses preparation and application of a biological carbon type phosphate fertilizer synergist suitable for flue-cured tobacco, and relates to the technical field of phosphate fertilizer synergists. Comprising the following steps: step 1, preparing raw materials; 2, raw material treatment; and step 3, mixing and reacting: by taking the charcoal and the humic acid as main raw materials, the content of available phosphorus in soil can be increased, absorption and utilization of tobacco to calcium superphosphate and diammonium phosphate are increased, growth and development of the tobacco are promoted, the fresh weight of the tobacco leaves is increased, and the phosphorus accumulation amount of the tobacco is increased. According to the preparation and application of the biological carbon type phosphate fertilizer synergist suitable for flue-cured tobacco, the fixing agent, the water-retaining agent and the microbial agent are added into the biological carbon source to form the phosphate fertilizer synergist, the water-retaining agent can prevent water loss in soil, and the fixing agent can prevent phosphorus loss in the soil; and a mixture of compound sodium nitrophenolate and high-purity alpha-pimacol is added, so that the permeation, adhesion and spreading force of the fertilizer are increased, the limitation of plants is broken, and the capability of the fertilizer entering the plants is enhanced.

The present application relates to the field of pesticides, and specifically discloses a pesticide composition containing fluazifop-butyl and glufosinate-ammonium, and a preparation method and application thereof. The pesticide composition comprises the following raw materials: fluazifop-butyl, glufosinate-ammonium, a dispersant, an emulsifier, an anti-settling agent and vegetable oil; wherein the emulsifier is a mixture of sodium salt of sulfonated styrene-maleic anhydride copolymer and hydroxylated lecithin; and the preparation method comprises the following steps: mixing and stirring the vegetable oil, the emulsifier and the anti-settling agent to obtain an oil phase, then adding fluazifop-butyl and glufosinate-ammonium, mixing and stirring, adding the dispersant, and then performing homogenization and grinding to obtain a dispersible oil suspension type pesticide composition; the present application also discloses the use of the above pesticide composition for weeding. The present application has the characteristics of a pesticide reagent containing fluazifop-butyl and glufosinate-ammonium at the same time, which can be directly diluted with water when used without the need for fresh preparation, while ensuring its efficacy and being simpler and more convenient to operate.

The invention discloses antibacterial gynecological gel and a preparation method thereof, and relates to the field of gynecological products, arginine powder and sorbitol are dissolved in water, a hydrothermal reaction is performed at 130-160 DEG C, cooling is performed to obtain an arginine carbon quantum dot solution, then modified hydrogel and a plant extract are added, vacuum stirring and uniform mixing are performed, ultraviolet irradiation is started while stirring, standing is performed, and the antibacterial gynecological gel is obtained. The bacteriostatic gynecological gel is obtained. The adopted gel matrix releases arginine carbon quantum dots in a weak acid environment, and is compounded with active substances, especially flavonoid substances, in the plant extracting solution, so that a better synergistic antibacterial effect is achieved. Sensitive response of the carbon quantum dots to illumination is combined, so that the carbon quantum dots can be attached to a gel matrix more easily; meanwhile, polar groups, especially oxygen-containing groups, are introduced to the surface of the gel, so that the viscosity and the adhesiveness of the gel material are greatly improved, and the affected part can be better treated.

The invention discloses a method for cultivating plant-growing concrete seedlings of red sea olive, which comprises the following steps of: fixing seeds of red sea olive in a plant-growing concrete seedling-growing tube, and then directly and vertically planting the plant-growing concrete seedling-growing tube on a field mud flat wetland for natural seedling cultivation. The vegetation concrete seedling raising pipe is formed by pouring seed germination concrete on the upper layer and seedling breeding concrete on the lower layer in the seedling raising pipe in a laminated mode. Wherein the seed germination concrete and the seedling breeding concrete are prepared from sea mud, sea sand, cement, seawater and fertilizer according to different dosage ratios. According to the method, the three functions of seed germination, seedling breeding and field planting application can be achieved in the same device, and the cultivation rate, the survival rate and the retention rate of the natural seedlings of the red sea olive can be remarkably increased.

The invention provides an asymmetric adhesive biological patch as well as a preparation method and application thereof. Specifically, the present disclosure provides an asymmetric adhesion biopatch comprising a substrate having a cellosilk structure, and an adhesive layer derived from an adhesive composition comprising a monomer, a photoinitiator, and a crosslinking agent, and having a cross-linking agent and a photoinitiator, the adhesive composition also includes an antibiotic compound and / or an ingredient providing active metal ions. The asymmetric adhesion biological patch provided by the invention provides a new choice for improving the clinical effect of dura mater repair.