449results about How to "Good adhesion" patented technology

The invention relates to environment-friendly hydrophobic ink and a preparation method thereof, and belongs to the technical field of water-based ink. A copolymerization modifier capable of being combined in a water-based polyacrylate emulsion in an initiation polymerization mode in the stage of preparing the modified water-based polyacrylate emulsion is prepared, and an o-hydroxy aromatic ketone structure in the copolymerization modifier can endow water-based ink with lasting ultraviolet absorption performance; the trifluoromethyl structure can reduce the surface energy of the water-based ink, and the benzimidazole ring structure can form stable coordinate bonds with metal ions, so that the bonding performance of the water-based ink and a metal substrate is enhanced; when the copolymerization modifier is used for modifying the water-based polyacrylate emulsion, the long-term performance, the hydrophobic and oil-resistant performance and the adhesion performance on the surface of a metal base material of the finished water-based ink can be effectively improved.

The application provides a top cover assembly, a battery and an electric device. The top cover assembly comprises a cover plate and a sealing component. The cover plate is provided with a liquid injection hole. The sealing component comprises a sealing nail and an adhesive member. The adhesive member at least partially surrounds the outer circumferential side of the sealing nail. The adhesive member is adhesively fixed to the inner wall of the liquid injection hole, so that the sealing component seals the liquid injection hole. The top cover assembly has the advantages of good liquid injection hole sealing effect.

The application discloses a polyurethane and rock wool composite board side foaming leakage prevention device, and belongs to the technical field of building material processing. The device comprises a conveying frame and a foaming filling pipe. The board is conveyed on the conveying frame, and the foaming filling pipe is inserted into the gap between the rock wool layer and the lower side film paper. The front side of the lower side film paper is provided with a first guide piece, and the rear side is provided with a second guide piece. The lower side film paper is arranged between the first guide piece and the second guide piece. The upper side film paper is located at the front side of the first guide piece. A pressing wheel is arranged in front of the upper side film paper and is used for laminating the upper side film paper and the upper side layer. A carding piece is arranged and is used for pressing the upper side film paper and the lower side film paper together. The first guide piece is provided with glue which is coated on the surface of the lower side film paper and the upper side film paper. When the board moves on the conveying frame, the lower side film paper and the upper side film paper are bonded and pressed together. The application is used for solving the problems that the barrier layer is easy to deviate and the foaming is easy to leak during the processing of the composite board.

The application provides a composite current collector for a zinc-iodine battery, a preparation method thereof and a zinc-iodine battery, and provides a conductive plastic substrate as a support layer; a metal conductive layer is formed by depositing titanium on at least one side surface of the conductive plastic substrate by using a magnetron sputtering technology, so that the composite current collector for the zinc-iodine battery is obtained. The application realizes the synergistic improvement of the light weight and the corrosion resistance of the current collector.

The invention belongs to the technical field of high polymer materials, and particularly relates to organic silicon modified polyurethane polystyrene foam as well as a preparation method and application thereof. The polystyrene foam comprises a component A and a component B, the component A is prepared from 40 to 60 parts of polyethylene oxide polyol, 25 to 35 parts of cashew nut shell oil polyol, 15 to 25 parts of castor oil modified polyol, 5 to 10 parts of modified resin A, 18 to 22 parts of flame retardant filler, 0.5 to 1.5 parts of foam stabilizer, 0.1 to 0.2 part of catalyst and 0.4 to 0.9 part of pure water; the modified resin A is organic silicon modified resin which contains active amido and has alkoxy at the tail end; and the component B comprises the following components in parts by weight: 75-85 parts of polymerized MDI and 15-25 parts of prepolymer A. According to the invention, an organic silicon chain segment is connected into a polyurethane network in a chemical bond manner, so that high tensile strength and high bonding strength are maintained while the elongation at break is improved, and the technical problem that the performance of the polyurethane polystyrene foam is difficult to consider at the same time is solved.

The die-casting die for motorcycle left auxiliary frame production comprises an upper die body and a lower die body, and the upper die body comprises a fixed die plate; the lower die body comprises a movable die plate, a first sliding groove is formed in the movable die plate, a connecting rod is arranged in the first sliding groove in a sliding mode, and a forming rod used for forming an inclined hole is arranged on the connecting rod. A second sliding groove is formed in the movable mold plate, a matching block is arranged in the second sliding groove in a sliding mode, a T-shaped groove is formed in the matching block, a sliding block is arranged at the bottom of the connecting rod, and the sliding block is arranged in the T-shaped groove in a sliding mode; a power mechanism is arranged on the movable mold plate and used for driving the matching block to move. The movable mold plate is provided with a first channel and a second channel, the movable mold plate is provided with a third channel and a liquid injection mechanism, the first channel and the second channel are both communicated with the third channel, and the liquid injection mechanism is used for injecting demolding liquid into the third channel. Synchronous control over movement of the forming rod and ejection of the demolding liquid is achieved through opening and closing of the mold.

The packaging structure provided by the embodiments of the present disclosure comprises: a substrate, the upper surface of the substrate is a copper layer; a protective layer above the copper layer; a green oil layer above the protective layer, the green oil layer is a reticular structure; and a chip above the green oil layer.

A biodegradable laminate comprises: a substrate layer; a first thermoplastic resin (A1) layer laminated on one side of the substrate layer and comprising a polyhydroxyalkanoate resin; and a second thermoplastic resin (A2) layer laminated on the other side of the substrate layer and comprising a polyhydroxyalkanoate resin. The first thermoplastic resin (A1) layer has a unit area weight of 10 g / m². 2 Above and 200g / m 2 Hereinafter, the unit area weight of the second thermoplastic resin (A2) layer is 0.1 g / m². 2 Above and 5g / m 2 the following.

This application relates to the field of functional polymer materials technology, and provides a photoresist, a photoresist-cured film, and a method for patterning the photoresist. The photoresist comprises a polyamic acid-polyamide ester resin, an alkaline catalyst, a crosslinking agent, a coupling agent, a photoresist, and a first organic solvent. The photoresist can simultaneously achieve imidization and curing of the polyimide resin therein at a relatively low temperature, and the cured photoresist-cured film exhibits warp resistance and high mechanical strength.

This invention relates to the field of pesticide technology, specifically to a fungicidal composition, its preparation method, and its uses. The invention provides a fungicidal composition comprising an active ingredient, a first functional component, a second functional component, and an adjuvant; the active ingredient comprises fluthiazopyrone and cyazofamid; the first functional component comprises at least one selected from silica, titanium dioxide, and zinc oxide; the second functional component comprises at least one selected from citric acid, acetic acid, benzoic acid, urea, and triethanolamine. By introducing specific first and second functional components, this invention synergistically works with the active ingredient, effectively overcoming the key defects of fluthiazopyrone's easy photodegradation and cyazofamid's easy hydrolysis, thus improving the stability of the compound formulation; while ensuring the excellent control efficacy and resistance management advantages of both against oomycete diseases such as grape downy mildew, it extends the duration of action and weather resistance of the agent, providing a more stable, efficient, and long-lasting solution for field application.

The invention relates to a reduction gear (10) for an aviation propulsion assembly, comprising a ring gear (10A), a sun gear (10B) and at least one planetary gear (10C); an oil supply circuit (30) for at least one element of the sun gear (10B), the ring gear (10A), the at least one planet gear (10C) and the planet carrier (10D); and an annular housing (12) housing the ring gear (10A), the sun gear (10B), the at least one planetary gear (10C) and the planet carrier (10D), the annular housing (12) having a radially facing inner surface (12A) and an oil trap (13) configured to drain oil by gravity, the radially inner surface (12A) comprising a plurality of relief structures (14) distributed in a circumferential direction (C).

The invention relates to the field of photovoltaic modules, and particularly provides a photovoltaic module and a waterproof adhesive tape for the photovoltaic module, the waterproof adhesive tape comprises an adhesive tape main body, the adhesive tape main body comprises: a substrate layer; the supporting layer is arranged on one side of the base material layer; the blocking layer is arranged on the side, away from the base material layer, of the supporting layer; the water-blocking bonding layer is arranged on one side, far away from the supporting layer, of the blocking layer; wherein the water-blocking bonding layer can be fixedly connected with a laminated piece of the photovoltaic module. By means of the structure, the strength of the waterproof adhesive tape can be guaranteed through the supporting layer, the waterproof effect can be guaranteed through the blocking layer, and the bonding reliability of the waterproof adhesive tape can be guaranteed through the water blocking bonding layer.

The utility model discloses a dendrobium officinale polysaccharide extraction device. According to the technical key points, the device comprises a crushing mechanism for crushing dendrobium officinale; the polysaccharide release mechanism is connected with the crushing mechanism and is used for releasing polysaccharide in a binding state in the dendrobium officinale; the separation mechanism is connected with the polysaccharide release mechanism and is used for separating polysaccharide from other components; wherein a recycling mechanism is further arranged between the separating mechanism and the smashing mechanism, the two ends of the recycling mechanism communicate with the separating mechanism and the smashing mechanism correspondingly, the recycling mechanism comprises a filter screen, the filter screen is used for filtering separated residues, and the recycling mechanism transfers the residues on the filter screen into the smashing mechanism. The device has the advantages that the recovery mechanism enables the dendrobium officinale which is not completely crushed to return to the crushing mechanism for secondary crushing through back flushing, so that polysaccharide in the dendrobium officinale can be fully extracted; and part of disintegrating slag of which the polysaccharide is completely crushed or completely extracted enters the impurity removal mechanism to be removed together with other non-polysaccharide components.

The utility model relates to the technical field of traditional Chinese medicine dipping and soaking, and solves the problem of traditional Chinese medicine dipping and soaking dislocation caused by leg movement. The special traditional Chinese medicine dipping device comprises a supporting sleeve, the structural edge of the supporting sleeve is connected with binding belts which are symmetrical up and down, an adjusting belt which is used for being connected with the supporting sleeve and adapts to multi-angle binding is installed between the two binding belts, and the supporting sleeve comprises a first sleeve piece and a second sleeve piece; a telescopic compensation piece is arranged between the first sleeve piece and the second sleeve piece, the adjusting belt is connected to the first sleeve piece and the second sleeve piece, the adjusting belt comprises a first connecting belt connected with the first sleeve piece, a second connecting belt is connected to the second sleeve piece, and the second connecting belt is connected with the first connecting belt and the extending end point of the first connecting belt. The extending end points of the second connecting band and the first connecting band are connected with elastic bands connected to the bending positions of the legs of the user in a sleeving mode, and the two binding bands which are symmetrical up and down are connected with the first sleeve piece and the second sleeve piece respectively.

The utility model discloses a gluing device for corrugated paper production, relates to the field of corrugated paper production, and aims to solve the problems that a cleaning mechanism is not arranged at the front end of a gluing machine in the prior art, impurities and dust are remained on the surface of a produced corrugated board, and the gluing of the corrugated board is influenced. A first C-shaped fixing frame is fixedly connected to the middle of the upper end of the conveying belt, a cross-flow fan is fixedly connected to the upper end of the first C-shaped fixing frame, a second C-shaped fixing frame is fixedly connected to the other side of the upper end of the conveying belt, and strip-shaped through grooves are formed in the middles of the front end face and the rear end face of the second C-shaped fixing frame. Rectangular sliding blocks are arranged in the two strip-shaped through grooves, a cleaning roller is rotationally connected to the position, between the two rectangular sliding blocks, of the inner side of the second C-shaped fixing frame, and a double cleaning mechanism of the cleaning roller and a cross-flow fan is arranged at the front end of the gluing machine, so that dust and impurities on the surface of corrugated paper can be effectively removed; and the gluing quality and the bonding strength are obviously improved.

The invention provides a high-shock-resistance low-precipitation phosphate ceramic structure adhesive which comprises the following components in parts by weight: 100 parts of aluminum dihydrogen phosphate, 8-15 parts of zinc oxide powder, 35-45 parts of flaky aluminum oxide powder, 5-10 parts of nano zirconium oxide powder and 0.5-2 parts of layered zirconium phosphate powder. The ceramic further comprises 0.5-2 parts of titanium oxide powder and 5-10 parts of spherical aluminum oxide powder. The invention also discloses a preparation method and application of the adhesive. The adhesive disclosed by the invention can work for a long time at 500 DEG C or below, has high strength retention rate at high temperature, and solves the problem of easy failure at high temperature; through the toughening design, the impact resistance and thermal shock resistance are remarkably improved, and cracking in use is effectively prevented; the paint has good stability to acid, alkali, solvents and other chemical media, and is suitable for partial corrosive environments; the ion precipitation rate is extremely low, and the strict requirements of the fields of biological medicine, food and the like on the material purity are met; and the curing temperature is moderate, a precise matrix is not easy to damage, and on-site construction and complex structure bonding are facilitated.

The utility model discloses a tomato breeding pollination device, and particularly relates to the field of tomato breeding, the tomato breeding pollination device comprises a pollen tank for containing pollen and a piston pipe for blowing the pollen, the front end of the piston pipe is provided with a flared pipe for spraying the pollen, and the rear end of the piston pipe is connected with a micro air pump; a telescopic auxiliary pressure pipe fitting is arranged below the piston pipe, the rear end of the auxiliary pressure pipe fitting is connected with the piston pipe, the front end of the auxiliary pressure pipe fitting extends to the position below the horn pipe, and a handle is connected to the bottom of the auxiliary pressure pipe fitting. According to the utility model, the pollen flow path is prolonged, the airflow speed is reduced, the pollen is intensively sprayed to the stigma, the utilization rate of the pollen is improved, the main airflow is matched with the auxiliary lateral airflow, the pollen and plants can be lifted, the attachment of the pollen in the closed flower is enhanced, and the pollination effect of the closed flower and the multi-layer flower is improved.

The application relates to the field of vacuum aluminum-plated paper processing and specifically discloses a dry-wet compounding process for vacuum aluminum-plated paper. The dry-wet compounding process for vacuum aluminum-plated paper comprises the following preparation steps: S1, coating a bottom adhesive on a film, and heat setting one side of the bottom adhesive close to the film; S2, compounding the heat-set bottom adhesive with base paper, curing the bottom adhesive, and forming a bottom coating layer on the surface of the base paper; S3, vacuum aluminum plating on the side of the bottom coating layer away from the base paper to form a vacuum aluminum-plated layer; and S4, coating a surface adhesive on the side of the vacuum aluminum-plated layer away from the bottom coating layer, curing to form a surface coating layer, and obtaining vacuum aluminum-plated composite paper. The dry-wet compounding process can improve the amount of the bottom adhesive without causing overflow of the bottom adhesive, improve the folding resistance of the obtained vacuum aluminum-plated paper, and solve the color explosion problem.

The application discloses a kind of self-sealing inorganic sealing welding LED light source and inorganic sealing welding method, LED light source includes substrate, LED chip and light window, substrate top surface is equipped with electrode layer, welding layer, and LED chip is welded on electrode layer;Light window includes tube shell, lens, and the lower end of tube shell is welded on welding layer;It is equipped with ring cup-shaped light cup around LED chip in tube shell, and the outer side of the bottom surface of light cup is equipped with the positioning gap of opening outward along circumference, and the corresponding position of welding layer is equipped with the positioning dam for cooperating with positioning gap to position light cup, and positioning dam is equipped with the sealing glue for bonding fixed light cup, and part of sealing glue overflow is connected with welding layer and is sealed;Positioning dam includes inner dam, middle dam and outer dam sequentially arranged from inside to outside, and satisfy middle dam height h2>Inner dam height h1≥Outer dam height h3.The application has the advantages of good air tightness and high light extraction efficiency.

The invention discloses an organosilicon adhesive for a damp-heat aging resistant galvanized sheet and a preparation method thereof. The organic silicon adhesive comprises the following components in parts by weight: 25-40 parts of hydroxyl silicone oil, 35-50 parts of nano calcium carbonate, 11-21 parts of silica powder, 1-5 parts of a cross-linking agent, 0.4-0.8 part of a catalyst and 2-4 parts of a coupling agent. The organic silicon adhesive disclosed by the invention can keep the performance without obvious attenuation in cold and hot impact, salt mist and ultraviolet aging environments, and particularly can resist water vapor invasion and keep the performance in a damp and hot aging environment. The organic silicon adhesive disclosed by the invention has the capability of bonding low-surface-energy materials such as TPO (Thermoplastic Polyolefin), galvanized sheets and the like, also has good mechanical properties and high and low temperature resistance, and can work in a range of-60 DEG C to 200 DEG C. The organic silicon adhesive provided by the invention can be widely applied to material bonding in the fields of photovoltaics, industry, buildings and the like.

The bonding method of the present invention includes: fixing a semiconductor device coated with adhesive onto a rotating stage; controlling the temperature of the rotating stage to keep the adhesive in a molten state and below its boiling point; controlling the rotation of the rotating stage in a negative pressure chamber to expel air bubbles from the adhesive; and curing the adhesive in the semiconductor device. The present invention can effectively remove air bubbles from the adhesive, thereby improving bonding strength and subsequent curing and bonding effects; moreover, the method is simple, easy to implement, and easy to operate.

The invention provides a wood adhesive and application thereof, and belongs to the technical field of wood processing. By utilizing the phase change characteristic of sodium acetate, when sodium acetate is applied to wood board processing or damaged wood board repairing, part of sodium acetate can permeate into wood cell cavities and cell wall micropores at the phase change temperature, slender crystals can be formed after cooling, a firm interlocking structure is formed with the surface of a wood board, and the bonding performance is improved; due to the salting-out characteristic of sodium acetate, polyvinyl alcohol can be separated from water, more hydrogen bonds are formed between polyvinyl alcohol, and the adhesive property is further improved; after a bonding interface or a repairing interface is cracked due to external force impact, sodium acetate crystals in the wood adhesive can be molten again at the phase change temperature and permeate into wood cell cavities and cell wall micropores, slender crystals are formed after cooling, a firm interlocking structure is formed again with the surface of a wood board, and self-repairing is achieved.

A preparation method of a graphite heat-conducting gasket capable of being compressed and rebounded comprises the steps that an artificial graphite film is pretreated to obtain a pretreated film, and pretreatment comprises punching, bending, surface grafting and plasma surface treatment; preparing epoxy modified polydimethylsiloxane resin according to a preset proportion; wherein the preset proportion comprises the following components in percentage by mass: 90 to 98 percent of epoxy modified polydimethylsiloxane, 2 to 10 percent of polydimethylhydrosiloxane and 0.1 to 0.4 percent of platinum catalyst; coating the surface of the pretreatment film with the epoxy modified polydimethylsiloxane resin, and carrying out die assembly on the pretreatment film with a preset number of layers to obtain blocky graphite; and slicing and post-processing the blocky graphite to obtain the graphite heat-conducting gasket. By matching the epoxy modified polydimethylsiloxane resin with a specific ratio, a stable cross-linked network structure is formed, and the structural strength and the heat conduction stability of the gasket are further enhanced.

The utility model relates to an auxiliary tool for maintenance of a sealing skin of a sintering pallet, which is applied to the technical field of maintenance of sintering machines, solves the problems that the existing cutting surface is uneven, air leakage is easy to exist at the bonding position, and meanwhile, the problem that the sintering pallet is scratched and secondarily damaged, and comprises a workbench, at least two clamping plates and a fixing piece, the clamping plate located at the lowest end is installed on the workbench, one side face, in the length direction, of each clamping plate is arranged in an inclined face mode, and the inclined faces of every two adjacent clamping plates are located on the same plane. The fixing pieces are distributed in the circumferential direction of the clamping plates, each fixing piece comprises a lead screw and a fastening nut connected to the lead screw in a threaded mode, the bottom end of each lead screw is vertically fixed to the upper end face of the clamping plate located on the lowest layer, and the top end of each lead screw upwards slides and extends to the position above the clamping plate located on the highest layer; the inclined plane cutting device has the advantages that the inclined plane can be directly cut out, the inclined plane is smooth, follow-up glued sealing leather is facilitated, operation is convenient and fast, and the maintenance efficiency is improved.

The present application relates to a kind of preparation methods of coating material, in particular to a kind of preparation methods of neodymium iron boron nano coating material.It includes the following steps: substrate pretreatment;Coating preparation: spray preparation nano coating, the binder of nano coating belongs to silicon-titanium modified polymer system, coating thickness is controlled at 20-25 μm, curing process: 50-70 ℃ surface dry 5-20 min, 160-200 ℃ baking and curing 40-60 min;Coating plasma treatment: plasma treatment 2-4 times.The present application nano gray coating can significantly improve surface tension after plasma treatment, the durability of coating surface tension treated under the condition that air is gas source is obviously superior to nitrogen, surface tension is still above 50 mN / m after room temperature is placed and naturally aged 6 months;After coating surface plasma treatment, drawing strength is also improved simultaneously.

The invention provides a high-molecular adhesion promoter, a preparation method and conductive metal slurry, and belongs to the technical field of conductive slurry. The structural formula of the high-molecular adhesion promoter is shown in the specification, n ranges from 60 mol% to 85 mol%, x ranges from 3 mol% to 10 mol%, y ranges from 10 mol% to 20 mol%, and z ranges from 1 mol% to 10 mol%. The high-molecular adhesion promoter disclosed by the invention can simultaneously improve the bonding effect of the metal paste and the base material and the crosslinking density in the paste, so that the adhesion of the whole paste is improved, and the result that the adhesion of the conductive silver paste after drying is improved to 2.1 N / mm < 2 > or above is achieved.

The utility model provides a wheel disc type scraper structure and a harvester. A wheel disc type scraper structure comprises a machine frame, a guide supporting wheel, a scraper disc welding part and a scraper, the guide supporting wheel is rotationally installed on the machine frame, the scraper disc welding part is installed on the machine frame, the scraper disc welding part is arranged on the peripheral side of the guide supporting wheel in a surrounding mode, and the scraper is installed on the scraper disc welding part. Soil seedling stems attached and wound on the wheel surface of the guide supporting wheel are extruded and removed by the scraper. The problems that in the operation process, the guide supporting wheels are stuck due to the fact that the guide supporting wheels are attached and wound by soil and seedling stems, and the conveying belt deflects, slips and is abraded are solved. And through low-cost structural optimization, the manual impurity removal frequency and the working intensity are reduced, and the tomato harvesting operation intensity is improved.

This invention discloses a composite fishing net line made from sisal fiber. The preparation method includes the following steps: sisal fiber is depectinized by pectinase; a mixture of ethanol and water containing tetraethyl orthosilicate is prepared, the pretreated sisal fiber is added, dilute sulfuric acid is added to react, and then an alkaline calcium source solution is added to react further, yielding sisal fiber after one treatment; silane coupling agent is used to modify the sisal fiber to obtain sisal fiber after a second treatment; a waxy waterproof layer is sprayed onto the surface of the sisal fiber after the second treatment, and it is dried to obtain sisal fiber monofilaments; the sisal fiber monofilaments are twisted and fixed to obtain the composite fishing net line. This invention uses sisal fiber as the main material to make fishing net lines, which can provide more options for reducing water pollution caused by microplastic particles from fishing nets, and also provides a good idea for expanding the field of deep processing of sisal.

Provided is an adhesive particle that can suppress the occurrence of dripping during heating, can improve adhesion, and can suppress the occurrence of light leakage. The adhesive particle of the present invention includes a base particle and a coating portion disposed on the surface of the base particle, the base particle being a black particle, and the coating portion including a thermosetting resin.

The utility model discloses a novel panel structure, which comprises a first panel, a second panel and a connecting piece, the first panel is provided with a bearing area on which a cooking utensil can be placed, and the second panel is provided with a control area; the connecting piece is of an inverted-T-shaped structure and comprises a vertically-arranged first vertical plate and a horizontally-arranged first transverse plate connected with the bottom of the first vertical plate. A first groove body and a second groove body which are arranged in a front-and-back spaced mode are formed in the connecting piece, the first groove body is filled with glue and fixedly bonded with one side of the first panel, and the second groove body is filled with glue and fixedly bonded with one side of the second panel. A first groove communicated with the first groove body and a second groove communicated with the second groove body are further formed in the connecting position of the first vertical plate and the first transverse plate, and the first groove and the second groove are both filled with colloid. Therefore, the first groove and the second groove are formed in the connecting piece, so that the glue storage amount in the first groove body and the second groove body can be increased, and the bonding firmness of the first panel and the second panel is further improved. In addition, the utility model further provides cooking equipment with the cooking device.