24results about How to "Solve the adhesion" patented technology

The animal fat oil refining device comprises a water tank and a drainage pipe, the drainage pipe is arranged at the bottom end of the rear side of the water tank, and an inner cavity of the drainage pipe is communicated with an inner cavity of the water tank; the spherical valve is arranged on the outer wall of the drainage pipe; the supporting seat is arranged at the top end of the water tank. A vertically-through water tank is formed in the front side of the bottom end of an inner cavity of the supporting seat. The number of the second supporting cylinders is four, and the four second supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The number of the first supporting cylinders is four, and the four first supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The device effectively solves the problems that raw materials are not uniform in particle size and easy to adhere after being cut, so that high efficiency and stability of subsequent oil refining steps are ensured, the overall oil yield and the product quality are improved, and the production cost and the equipment maintenance difficulty are remarkably reduced.

The invention relates to the technical field of surfactants, and in particular to a method for preparing a low-foam surfactant. A low-foam surfactant having a branched structure of polyisobutylene succinic anhydride containing a quaternary ammonium salt group grafted onto a long chain of a block copolymer is prepared. The low-foam surfactant effectively reduces the surface tension of an aqueous solution, has good wetting and foam suppression effects, strong emulsification ability, good decontamination and oil removal effects, and is easily biodegradable. The surfactant has good compatibility with other surfactants and auxiliary agents, so that the surfactant can replace traditional alkylphenol polyoxyethylene ether compounds to be prepared into a cleaning agent widely used in daily chemical cleaning and industrial cleaning of glass. The formed foam has a low height, does not contain phosphorus, does not contain strong alkali, and has a cleaning efficiency of more than 98%. The light transmittance of the glass after cleaning can be significantly improved, and the light transmittance of the cleaned glass reaches about 90%.

The application belongs to the technical field of caffeine purification, and discloses a sublimation refining device for caffeine purification, which comprises a rack, a sealed box arranged on the rack, a material disc cooperatively connected to the bottom of the sealed box, and a main motor for providing rotary power; the main motor is drivingly connected with a main shaft longitudinally penetrating through the sealed box. The heat-conducting oil in the oil storage pipe is heated by the built-in electric heating rod, and the heat is conducted to the heat exchange pipe to form an internal heating structure. The heat exchange pipe is inserted into the material, and the serpentine structure increases the effective heat exchange area. The mechanical mixing action of the material turning frame continuously breaks the temperature boundary layer inside the material. This internal dynamic heat transfer mechanism ensures that the material is heated in a uniform state, avoids the coking or sticking phenomenon caused by local overheating, improves the heat transfer efficiency, and makes the caffeine sublimate in a stable thermodynamic state, thereby improving the overall material utilization rate and sublimation quality.

The present invention discloses a surface treatment method for an automatic placement molding mold of a thermoplastic composite material, wherein a polyimide fluid is applied to a surface treatment groove of a self-heating and cooling mold; a coating positive mold is attached to a self-heating and cooling mold, and a polyimide fluid is covered on a second coating surface of the self-heating and cooling mold to form a polyimide coating; after passing through a laying channel, a thermoplastic prepreg is attached to the polyimide coating on the surface of the self-heating and cooling mold, and the thermoplastic prepreg and the polyimide coating are melted and combined under the irradiation of a light spot. In the present invention, a polyimide coating is formed on the surface of the self-heating and cooling mold, and the self-heating and cooling mold is heated. Heat is transferred to the polyimide coating by heat conduction, resulting in an increase in the viscosity of the polyimide coating. During the laying process, a stronger bonding interface can be formed with the laying prepreg. After the laying is completed, the viscosity of the polyimide coating is adjusted by adjusting the temperature of the self-heating and cooling mold, and sampling is convenient.

The present invention discloses a multi-purpose UV-LED light-curing high-hiding screen printing ink, including a varnish component and a color paste component; the varnish component is component A and / or component B; the color paste component is a color paste or a white color paste. The common UV-curing system inks on the market are of various types and different performances, and are all limited to a small application field and have poor applicability. In actual production, users have to purchase products of different types or characteristics to meet different needs, which brings great inventory pressure, and UV-curing products have a short shelf life, resulting in unnecessary waste of resources and environmental pressure. In order to solve the problems of the prior art, the present invention discloses a multi-purpose UV-LED light-curing high-hiding screen printing ink; specifically, the groundbreaking formula design and its unique application mode of the present invention well solve the above problems and provide users with a brand new application experience.

The invention discloses a method for preparing a waterproof hand-painted textile pigment. The waterproof hand-painted textile pigment comprises the following components in parts by weight: 60-70 parts of pure acrylic emulsion, 5-15 parts of pigment toner, 0.5-1.5 parts of thickener, 2-5 parts of ultraviolet absorber, 2-5 parts of antioxidant, 3-6 parts of cross-linking agent, 1-3 parts of leveling agent, 1-3 parts of waterproofing agent, 1-3 parts of film-forming aid, 60-70 parts of deionized water, 1-2 parts of mildewproof agent BCM, 1.5-2.5 parts of 202 defoamer, 2-3 parts of organosilicon quaternary ammonium salt, and 5-7 parts of softener. The problem of poor waterproofness and adhesion of traditional hand-painted pigments is solved, and the process of high-temperature baking required for coloring of traditional textile pigments is not required. It can be colored by drying naturally, and the softness of the fabric is not affected after drying. It has the characteristics of being washable, non-cracking, anti-friction and anti-sun. It is a new type of pigment that can be applied to carriers such as wall surfaces, clothes, shoes and hats, flower pots and gypsum.

A weather-resistant polyolefin film and a solar cell backsheet prepared therefrom are disclosed. The weather-resistant polyolefin film comprises at least three layers: a first surface layer in contact with air, an intermediate layer, and a second surface layer for lamination with a substrate. The components and mass fractions of the first surface layer are: 100 parts of a first polyolefin, 15 to 135 parts of an α-olefin copolymer, 3 to 15 parts of filler, 1 to 4 parts of an anti-aging agent, and 1 to 5 parts of a first light stabilizer. The first polyolefin contains at least 70 wt% homopolymer polypropylene. Compared with existing technologies, the weather-resistant polyolefin film provided by this invention can replace PVDF fluoropolymer film and exhibits a breaking elongation retention rate of over 70% after UV damp heat aging and a low-temperature breaking elongation rate of over 40%. After damp heat aging, the solar cell backsheet maintains an adhesion strength of over 7 N / cm to PET, demonstrating excellent weather resistance. The main resin material is inexpensive, making it highly practical.

The invention belongs to the technical field of pressure-sensitive adhesives, and particularly relates to a polyacrylate composite pressure-sensitive adhesive, a transdermal patch and a preparation method. The polyacrylate composite pressure-sensitive adhesive disclosed by the invention is obtained by blending itaconic acid and inorganic nanoparticles in a polyacrylate pressure-sensitive adhesive. The itaconic acid and the inorganic nanoparticles are jointly used as a cross-linking agent, so that the material not only has the advantages of high rigidity and the like of an inorganic material, but also has the advantage of high viscoelasticity of a polymer material, and the defects of poor substrate adhesion and poor water resistance of a traditional patch are effectively overcome.

The present application relates to the field of coating technology, in particular to a waterproof putty powder and a preparation method thereof. The waterproof putty powder comprises heavy calcium carbonate, quartz powder, Portland cement, calcium hydroxide, hydroxyethyl cellulose ether, hydrophilic fumed silica, hydrophobic fumed silica and a specific redispersible polymer powder. The polymer powder is prepared by spray drying of ethylene-vinyl acetate copolymer dispersion, polyvinyl alcohol, silane coupling agent, triethylamine and colloidal silica. The preparation method of the present application comprises first preparing the modified polymer powder, and then mixing it with the remaining dry powder components in steps. The construction method involves mixing with acidic water, standing for curing, and then scraping in two batches. Through the design of the core-shell structure of the polymer powder and the sequential addition of functional components, the waterproofness, workability, flexibility and bonding strength after immersion of the putty layer are synergistically improved.

The invention discloses high-flux phytoplankton cell counting pretreatment equipment, and belongs to the technical field of biological / plant detection sampling, the high-flux phytoplankton cell counting pretreatment equipment comprises a first base body used for placing a container, a second base body arranged on the side of the first base body, a moving module capable of moving relative to the container is arranged on the second base body, and a first pipe body is connected to the moving module; the moving module is connected with a peristaltic pump through a second pipe body, and the first pipe body communicates with the second pipe body. According to the invention, comprehensive automatic sample pretreatment is realized, manual work is completely replaced, the treatment progress and speed are fast, the equipment maintenance is simple, and the operation stability is high.

This invention relates to a two-component cross-linked oxidized nanocellulose spray hemostatic gel, its preparation method, and its application, belonging to the field of biomedical materials. Addressing the problems of weak adhesion, insufficient mechanical properties, and biocompatibility risks in existing hemostatic materials, this invention introduces aldehyde groups using sodium periodate to prepare an adhesive component (TOCN-CHO), and simultaneously modifies the carboxyl groups of TOCN with lysine to create a cross-linking component (TOCN-Lys). After the two components are sprayed and mixed, the aldehyde groups of TOCN-CHO bind to the amino groups on the tissue surface to achieve wound sealing. Simultaneously, the amino groups of TOCN-Lys form a Schiff base cross-linking network in situ with the aldehyde groups of TOCN-CHO, enhancing mechanical strength while eliminating aldehyde toxicity. The gel retains shear-thinning properties and can be sprayed. Animal experiments show that the hemostasis time is reduced to 28 seconds. It also exhibits biodegradability and renewability, effectively solving the problem of synergistic optimization of adhesion, mechanical strength, and biocompatibility, making it suitable for emergency hemostasis and surgical scenarios.

The utility model discloses a green food detection sampler convenient for sampling, which comprises a collection box body, a storage groove is arranged in the collection box body, a sliding rail is arranged at the bottom in the storage groove, a bottom frame is connected in the sliding rail in a sliding manner, a vibration base is arranged in the bottom frame, and the vibration base is connected with the storage groove in a sliding manner. The vibration base is fixedly connected with the bottom frame through a hinge, a placing frame is arranged on the vibration base, a first spring is arranged between the placing frame and the vibration base, a sliding groove and a clamping groove are formed in the two sides of a storage groove, a moving rod and a second spring are arranged on the inner wall of the vibration base, and a clamping rod is fixedly connected to the other end of the moving rod; a baffle is slidably connected to the upper surface of the containing frame. According to the device, through the cooperation of the vibration base, the first spring, the placing frame, the sliding groove, the clamping groove and the clamping rod, the residual condition of a sample in a vessel is reduced, the sampling accuracy is ensured, and the reliability of a detection result is improved.

The invention discloses an automobile sealing strip embedded in a steel frame for shaping, comprising a connecting structure, a sealing strip structure installed on the connecting structure, the connecting structure comprising a rubber connecting body with a frame embedded inside, a mounting groove provided on the top of the rubber connecting body, and first matching grooves provided on both sides of the rubber connecting body, a first rubber matching block embedded and fixed at the bottom of the rubber connecting body, and an adsorption magnetic strip and a grid adhesive are respectively fixed on the rubber connecting body through the mounting grooves, the sealing strip structure comprises a sealing strip body as a main body, and a frame is also embedded and fixed inside the sealing strip body, a connecting groove is provided on the top of the sealing strip body, and a second matching groove matched with the first rubber matching block is provided inside the connecting groove, and the automobile sealing strip embedded in the steel frame for shaping plays the role of opening and sliding matching connection through the provided sealing strip body.

This utility model discloses a raw material crushing device, including a frame, with a housing fixedly connected to the top of the frame. Two rollers are symmetrically arranged inside the housing, and crushing rollers are fixedly sleeved on the outer surfaces of both rollers. Spiral cooling channels are formed on the outer walls of both rollers and the inner walls of the crushing rollers. Support pipes are fixedly connected to both ends of the two rollers, penetrating the housing and rotatably sealed to it. In this utility model, the cooling plate inside the long cylinder and the spiral cooling channels inside the crushing rollers together form an integrated cooling circulation system. This system can simultaneously pre-cool the falling material and directly and efficiently cool the crushing area, effectively solving the problems of material oxidation and denaturation, as well as binder softening and scaling caused by localized high temperatures during the crushing process. This significantly improves the crushing quality of heat-sensitive raw materials and the operational stability of the equipment.

The application discloses a kind of wear-resistant anti-adhesion injection molding machine composite modified material and preparation method thereof, belong to high polymer composite material technical field.The material includes by weight parts: thermoplastic resin matrix 100 parts;Multi-dimensional space hybrid reinforcing body 5~25 parts;Friction reactivity nano repair agent 3~12 parts;Three-layer core-shell structure anti-adhesion rheological agent 2~8 parts;Interface compatibilizer 0.5~3 parts.The repair agent is composed of specific oxide, can occur solid phase reaction under injection molding machine operating temperature and shear to realize in-situ repair.The anti-adhesion rheological agent is three-layer core-shell structure with carbon nanotube core, GMA-fluorine-containing acrylic ester copolymer intermediate layer and perfluoropolyether shell layer.The material of the application introduces friction-induced solid phase reaction repair mechanism and three-layer core-shell compatibility design, solves the existing material repair mechanism mismatch, anti-adhesion component and matrix compatibility poor, formula process is not clear and other problems.

The present application belongs to the field of microelectronic processing technology, and more particularly relates to a method for improving the adhesion and / or development speed of photoresist. For the photoresist system whose polarity changes from small to large significantly before and after photolithography, the adhesion between the photoresist and the silicon wafer substrate is significantly improved, and the development time is greatly shortened by using an alcohol solvent as a developer without using an adhesion promoter, compared with the alkaline aqueous solution developer commonly used in the prior art.

The invention discloses an oil fume steam peculiar smell removing device, and relates to the technical field of household appliances, the oil fume steam peculiar smell removing device comprises a base, a supporting rod and an air suction pipeline, and adsorption holes are formed in the bottom of the air suction pipeline; an air suction assembly, a filtering assembly and an air outlet assembly are arranged in the base from top to bottom; the air suction assembly comprises a first impeller, a first motor and a first motor sealing shell. The filter assembly comprises an activated carbon layer, an HEPA filter layer, a reaction filter layer and an aroma enhancement layer; the air outlet assembly comprises a second impeller, a second motor and an air outlet cover; a circuit board and a storage battery are arranged in the base, and the circuit board is electrically connected with the storage battery and electrically connected with the air suction assembly and the air outlet assembly. The defects that peculiar smell gas volatilizes in air and oil stain steam is attached to the surfaces of other objects are overcome.

This invention relates to a flow stabilizing silo for a raw material grinding roller press, belonging to the technical field of cement production equipment. It includes a feed silo, a discharge silo, a distribution platform, a distributor, and a distribution motor. The feed silo is a cylindrical silo with a cover plate installed on its top. A feed inlet is located in the center of the cover plate. The opening at the top of the discharge silo is connected to the opening at the bottom of the feed silo. Fixed rings and rotating rings are evenly and alternately installed on the inner wall of the discharge silo. The distribution platform is installed at intervals below the bottom opening of the guide cylinder via support rods. The distributor and distribution motor are installed on the distribution platform. This application can solve the problems of poor material uniformity leading to segregation and skin formation caused by moisture in traditional flow stabilizing silos during the flow stabilization process of cement raw materials.

The utility model discloses polishing equipment for processing spectacle lenses. The polishing equipment comprises a machine shell, the operation opening is formed in the machine shell; the motor is mounted in the machine shell; the polishing structure is arranged in the machine shell; and the positioning structure is arranged on the shell. According to the utility model, through the adjustment design of the positioning structure, the quick replacement of the polishing disk is realized, a worker can unlock the positioning rod only by simply pulling the sleeve, and then the sleeve is rotated to drive the connecting rod and the fixed frame to rotate, so that the positions of the rough polishing disk and the fine polishing disk are easily exchanged, and the mechanism not only simplifies the steps of replacing the polishing disk, but also improves the working efficiency. The complexity of manual operation is reduced, and the working efficiency is greatly improved.

This invention discloses a low-altitude, multi-target, omnidirectional infrared detection device, comprising a top base and a transparent protective cover. The transparent protective cover is disposed at the bottom of the top base, and a detection component is disposed inside the transparent protective cover. The detection component includes a support rod, which is fixedly connected to the top base. A column is fixedly connected to the middle of the support rod, and a fixed base is fixedly connected to the bottom of the support rod. A first motor is installed on the top of the fixed base. This invention utilizes an outer wall cleaning ring to solve the problem of dust accumulation on the outside of the transparent protective cover obstructing the view, thus avoiding blind spots. An inner wall cleaning ring helps prevent fogging on the inner wall, which obstructs the view and affects the detection effect. A transmission cylinder drives an outer lifting ring to rise and fall, thereby adjusting the angle of the adjustable detection head. Multiple adjustable detection heads are provided to facilitate omnidirectional detection.

The present invention discloses a high temperature resistant thin film sensor integrating temperature, strain and heat flow testing functions and a preparation method thereof. The high temperature resistant thin film sensor comprises a substrate and a high temperature glue layer, a Ta2O5 thin film layer and a SiO2 thin film layer arranged on its surface, as well as a first thin film thermocouple, a thermocouple stack and a strain sensitive grid, and the surface is covered with a protective layer. The preparation method thereof comprises: preparing the above-mentioned thin film layers on the surface of the substrate. Compared with conventional high temperature resistant thin film sensors, the high temperature resistant thin film sensor of the present invention has more excellent high temperature resistance and structural stability, longer service life, higher measurement accuracy, and can be used to measure the working parameters (such as temperature, strain, heat flow, etc.) of turbine blades at high working temperature and high speed at the same time. It has high use value and good application prospects. The preparation method thereof has the advantages of simple process, convenient operation, low preparation cost, high yield rate, etc., is suitable for large-scale preparation, and is conducive to industrial application.

The invention discloses an electrochromic material as well as a preparation method and application thereof. The color-changing material mainly comprises the following raw materials: modified polyionic liquid, ethyl viologen diiodide, ferrocene, a cross-linking agent and other additives, the main component of the modified polyion liquid comprises an imidazole cation PIL polymer with a flexible alkoxy side group; the general formula of the imidazole cation PIL polymer with the flexible alkoxy side group is PIL-m-TFSI, and the general formula of the imidazole cation PIL polymer with the flexible alkoxy side group is PIL-2-x. According to the invention, the generation of dimers of the viologen electrochromic material is inhibited by introducing the polyion liquid, so that the performance of the device is improved.

This utility model relates to the technical field of polyvinyl chloride (PVC) production and processing equipment, specifically a material crushing system for the drying process of PVC production. The system includes a centrifuge, an airflow drying tower, and an air filter. Bearing brackets are installed on both sides of the airflow drying tower, and bearings are detachably connected to the inner walls of both brackets. A main shaft is inserted into one side of one of the bearings. Multiple crushing blades are evenly arranged on the outer surface of the middle section of the main shaft. A coupling is detachably connected to one end of the main shaft, and a drive motor is engaged at the other end of the coupling. This material crushing system for the PVC production drying process, through the coordinated arrangement of the main shaft, crushing blades, coupling, and drive motor, allows the drive motor to drive the main shaft and crushing blades to rotate when resin deposits at the bottom of the airflow drying tower, crushing the resin at the bottom of the tower into particles. This solves the problems of adhesion and material accumulation clogging in the drying system during the production of homopolymer PVC resin.

The invention relates to a preparation method of a liquid metal electronic tattooing sensor for detecting plant humidity, which comprises the following steps of: mixing liquid metal and a high polymer material PVA (Polyvinyl Alcohol) to form composite ink, printing the composite ink on a plant leaf to manufacture a required sensor circuit, and packaging a substrate of the sensor circuit by adopting a PVA-based packaging film. By adding a specific amount of PVA and liquid metal to form the composite ink, the problem of adhesiveness when the composite ink is directly printed on the surface of the blade is effectively solved, the composite ink is effectively attached to the surface of the blade, and the prepared sensor is quick in response to an electric signal of humidity change of the blade, high in sensitivity and good in stability. And the humidity of the leaves can be monitored in real time.