1034 results about "Adhesive bonding" patented technology

The invention provides a bio-based adhesive and a preparation method thereof. Inspired by a spider thread structure, biomass adhesive interface enhancement based on a tannic acid adhesion group is combined with construction of a differential phase separation structure by biomass-induced polylipoic acid depolymerization, and a brand new strategy of adhesion-cohesion synergistic enhancement of the adhesive strength of the adhesive is realized. According to the invention, tannic acid and carboxymethyl chitosan are introduced into a lipoic acid-based adhesive, so that the purpose of synergistically enhancing the bonding performance of the adhesive through adhesion-cohesion is achieved, and the defects of weak cohesion, low bonding strength, poor water resistance, poor moisture resistance and the like of the conventional biomass adhesive are overcome. Benefited from a new strategy of adhesion-cohesion synergistic enhancement, the biomass adhesive has good adhesive strength in various environments and materials. In addition, the biomass adhesive also has the characteristics of biological safety, antibacterial and mildew-proof properties and recoverability, so that the product has wider application and potential compared with the previous product, and has a good application prospect.

The invention discloses a long-term vacuum maintenance type Fabry-Perot cavity and a preparation method thereof. An annular gasket is clamped between two reflecting lenses to directly bond in a vacuum environment through Van der Waals force, a vacuum core cavity which is permanently sealed and is vacuum in the air is formed, the vacuum core cavity is fixedly placed in a glass sleeve, and the two ends of the glass sleeve are sealed through an ultraviolet light adhesive bonding interface by adopting optical window pieces. After the interior of the glass sleeve is vacuumized through the exhaust pipe, the glass sleeve is sealed through local heating sintering, and a two-stage vacuum barrier is formed; the Fabry-Perot cavity is long in vacuum holding time and small in size, and does not need to be externally connected with a vacuum pump to maintain vacuum; the device is simple, and the vacuum degree of the Fabry-Perot cavity can be maintained for more than two years under the condition that the processing difficulty is not improved.

The invention relates to the technical field of semiconductor packaging, in particular to a film expanding mechanism and a memory bank main control chip die bonder. The memory bank main control chip die bonder comprises an operation machine table, an eutectic system, a first feeding system, a second feeding system and a visual positioning system, and the eutectic system comprises a die bonding bearing table, a two-dimensional motion module connected to the lower portion of the die bonding bearing table and a dispensing mechanism arranged above the die bonding bearing table. The die bonding device comprises a die bonding bearing table and a die bonding heating assembly arranged on the die bonding bearing table, the die bonding bearing table is provided with a plate channel, the die bonding heating assembly comprises a material carrying top plate and a heating piece arranged in the material carrying top plate, and the material carrying top plate is located in the plate channel; the first feeding system comprises a chip feeding table, a two-dimensional moving module and a wafer taking device, the two-dimensional moving module is used for driving the chip feeding table to move, and the wafer taking device comprises an ejector pin mechanism and a chip conveying mechanism. According to the invention, the eutectic die bonding function and the adhesive die bonding function are integrated on one device at the same time.

The invention relates to a light / heat / magnetic detachable high-strength polyurethane adhesive as well as a preparation method and application thereof. The light / heat / magnetic detachable high-strength polyurethane adhesive comprises a polyurethane adhesive and a functional filler. According to the light / heat / magnetic detachable high-strength polyurethane adhesive prepared by the preparation method disclosed by the invention, the colloid is black, and the adhesive has excellent light absorption performance and can realize rapid separation of an adhesive interface under infrared irradiation through a heat effect; meanwhile, the ferroferric oxide can be vibrated and heated under the action of an external magnetic field due to the magnetic response characteristic of the ferroferric oxide, so that fracture and separation of the adhesive layer are promoted. By means of the technology, efficient and reversible disassembly of parts bonded through the hot melt adhesive is achieved, possibility is provided for recycling and reusing of bonding materials and devices, and the problem that traditional polyurethane hot melt adhesive cannot be recycled is solved.

The invention relates to the technical field of shield tunnel reinforcement, and discloses a tunnel lining reinforcement assembly and method based on orthotropic steel plates combined with chemical anchor bolts, which are used for improving the bending resistance, torsion resistance and long-term stability of segment joints. The assembly comprises an orthotropic steel plate, a chemical anchor bolt and a bi-component modified epoxy resin structural adhesive, and the orthotropic steel plate is bonded to the inner side of the duct piece through the structural adhesive and anchored through the chemical anchor bolt; the steel plate is provided with an adjustable longitudinal stiffening rib (U-shaped or V-shaped) and a diaphragm plate, and parameters of the steel plate are optimized through numerical simulation. The arrangement density of the chemical anchor bolts is designed in a partitioned mode according to the stress characteristics of the duct pieces, interface scabbling pretreatment and structural adhesive bonding are combined, and the interface connection strength is enhanced. Through the synergistic effect of the orthotropic plates and the anchor bolts, flexible adjustment of reinforcing parameters is achieved, the bearing performance and the material utilization rate are remarkably improved, tunnel deformation is effectively restrained, construction is convenient, and long-term stability is high.

The invention relates to the technical field of cable processing, and discloses a mica tape cross-linked polyethylene insulated cable which comprises a copper conductor, a mica tape, a cross-linked polyethylene insulating layer, a filling material, a wrapping layer and a cable sheath from inside to outside, the mica tape comprises mica paper, a reinforcing material and an adhesive, and the adhesive comprises tung maleic anhydride type mica glue and MgO / gamma-Al2O3 composite filler. The adhesive adopted by the mica tape comprises the MgO / gamma-Al2O3 composite filler and the tung maleic anhydride type mica glue, and the MgO / gamma-Al2O3 composite filler can improve the heat conductivity coefficient and the dielectric property of the tung maleic anhydride type mica glue, so that the heat conductivity and the insulativity of the mica tape are improved.

A sticky tape that can be heated and separated in a short time and can effectively prevent thermal damage to an adherend is provided. The sticky tape separable by heating, includes: an intermediate layer A containing a heating element and an adhesive agent; an adhesive agent layer B1 disposed on one surface side of the intermediate layer A and containing an adhesive agent; and an adhesive agent layer B2 disposed on the other surface side of the intermediate layer A and containing an adhesive agent. At least one of the adhesive agent layer B1 and the adhesive agent layer B2 is a heat-insulating layer C further having heat-insulating properties, or a heat-insulating layer C with heat-insulating properties is further provided at least one of between the intermediate layer A and the adhesive agent layer B1 and between the intermediate layer A and the adhesive agent layer B2.

Linerless labels with adhesive patches arranged in optimal adhesive patch patterns are provided. The adhesive patch patterns mitigate adhesive buildup on components of a printer when a roll of linerless labels is fed through a printer by minimizing the adhesive coverage area on the backside of the linerless labels without altering the adhesive bonding characteristics of the individual linerless labels dispensed from the printer.

The invention discloses a piezoelectric ceramic-based single droplet generation device, which comprises a microcavity liquid chamber, a piezoelectric driving assembly, a micropore nozzle, a hydraulic adjusting system and an electric control driving module, the bottom of the microcavity liquid chamber is provided with a nozzle interface, and the volume of the internal cavity is adaptive to trace liquid storage and pressure transmission; the piezoelectric driving assembly comprises a piezoelectric ceramic element which is connected with the micro-cavity liquid chamber in a bonding manner and is used for generating deformation under the driving of an electric signal so as to apply pulse pressure to liquid in the liquid cavity; the micropore nozzle is detachably connected to the bottom of the liquid chamber, the diameter of a spraying hole is adjustable, and the micropore nozzle is used for controlling the initial size of liquid drops; the electric control driving module comprises a power supply, a driving circuit and a controller, is used for outputting an adjustable electric signal to cooperatively control the voltage amplitude, the pulse width and the trigger frequency of the piezoelectric driving assembly, and is linked with the hydraulic adjusting system to realize multi-parameter regulation and control of the droplet size; according to the invention, through cooperation of the piezoelectric driving assembly and the electric control module, high-precision liquid drop control is realized.

The invention relates to a process for producing rigid or flexible insulation and / or soundproofing mats or panels made of fibers, preferably based on lignocellulose-containing, mineral and / or plastic-based fibers, comprising the following process steps: a) fiber production from a base material, b) drying the fibers, d) gluing the fibres with a binder, e) storage of the glued fibers, f) spreading a mat of pressed material made of the glued fibres, g) Calibration and curing of the pressed mat into a final product, h) Final production and storage of the final product. The invention is characterized in that, in a further process step c), after drying the fibers b) and before gluing the fibers with a binder d), the temperature of the fibers is adjusted to a predetermined temperature level, and at this predetermined temperature, the fibers are mixed with the binder in process step d). Furthermore, the invention shows a system (1642), preferably for implementing the above process.

An unmanned aerial vehicle includes an airframe and a plurality of rotor assemblies operatively connected to the airframe and configured to propel the unmanned aerial vehicle. The air frame includes a plurality of tubes and a plurality of hardpoints. Each of the plurality of hardpoints may include a tubular protrusion for receiving one of the plurality of tubes. The unmanned aerial vehicle may further include structural adhesive bonding the tubular protrusion of each of the plurality of hardpoints to a corresponding one of the plurality of tubes.

The invention relates to the technical field of photovoltaic packaging materials, and discloses a modified POE photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The modified POE photovoltaic packaging adhesive film is prepared from 60 to 100 parts of POE resin, 8 to 50 parts of barrier master batch, 0.5 to 2 parts of composite silane coupling agent, 0.5 to 1.5 parts of cross-linking agent and 0.2 to 2 parts of assistant cross-linking agent, the barrier master batch comprises 5-30 parts of polar functionalized grafted POE and 3-20 parts of a barrier agent; the blocking agent is a cycloolefin copolymer COC with Tg less than or equal to 120 DEG C. The modified POE photovoltaic packaging adhesive film has the advantages of high light transmittance, PID resistance and the like of the existing POE adhesive film, and also has high bonding strength and low water vapor transmittance to photovoltaic glass; the problems of adhesion, water resistance and light transmittance of the POE adhesive film are solved synergistically, the inherent processing compatibility problem between COC and a POE substrate is solved, and a foundation is laid for improving the long-term reliability of a photovoltaic module.

The utility model relates to the technical field of biological information monitoring, and discloses a thin biological information monitoring device convenient to assemble, which comprises a flexible circuit board, a biological electrode and a flexible battery, an electronic element is arranged on the top surface of the flexible circuit board, the flexible battery is attached to the bottom of the flexible circuit board, the biological electrode is attached to the bottom of the flexible battery, and the flexible battery is located between the flexible circuit board and the flexible battery; a connecting end extends out of the peripheral side of the flexible circuit board, and the connecting end is bent and extends to one surface of the biological electrode along the peripheral side of the flexible battery; the connecting end is provided with a fifth power supply bonding pad group, and the flexible circuit board is electrically connected with the biological electrode through the fifth power supply bonding pad group; and a sixth power supply bonding pad group of the flexible circuit board is electrically connected with the flexible battery. According to the design, ultra-thin glue is adopted for attaching and packaging, the product size is reduced, the flexible circuit board layer, the annular flexible battery layer and the biological electrode layer are sequentially assembled in a laminated mode and electrically connected through the conductive bonding pad set, assembling is convenient, and the production efficiency is improved.

The invention belongs to the technical field of adhesive performance detection, particularly relates to test equipment and a test method for detecting adhesive bonding strength, and aims to solve the problem that different detection equipment needs to be used when different adhesive bonding strengths are detected in the prior art, the following scheme is provided: the test equipment comprises a base, a U-shaped frame is fixed at the top of the base, and the U-shaped frame is fixed at the bottom of the base; a hydraulic cylinder fixedly penetrates through the top of the U-shaped frame, a first U-shaped clamping seat is fixed to an output shaft of the hydraulic cylinder, a countersunk head screw is clamped in the first U-shaped clamping seat, a bonding bottom material and a bonding top material are arranged at the bottom end of the countersunk head screw, and the bonding bottom material and the bonding top material are bonded through mucilage glue. According to the test equipment, a tensile bonding force test, a shear bonding force test, an impact bonding force test and an environmental adaptability test can be sequentially performed on the test equipment, so that the test function of the test equipment is improved, the test cost is reduced, the test range is greatly widened, and the efficiency of later-stage adhesive bonding strength detection can be further improved.

A paver pedestal system is a versatile solution for elevated outdoor flooring, commonly used in rooftop terraces, plazas, and green roofs. However, wind uplift poses a significant threat to the stability of such systems, especially in high-wind areas. To mitigate this risk, paver pedestal systems are designed with enhanced features, such as mechanical fasteners, perimeter restraints, and interlocking pavers. These features ensure that pavers remain securely in place during strong winds. Additionally adhesive bonding methods are sometimes employed to further stabilize the structure. By combining these design elements, modern paver pedestal systems offer effective wind uplift protection while maintaining easy installation, drainage efficiency, and aesthetic appeal. This approach not only safeguards against potential damage but also extends the lifespan of rooftop surfaces, ensuring durability and safety in varying environmental conditions.

The invention discloses a detection method for coating binding force and a detection sample, two samples are bonded through a coating surface in a bonding manner, an adhesive is directly bonded on a coating, the bonding strength is determined by measuring the critical stress of interface cracking of the coating and a matrix, and the coating binding force is calculated according to the test condition. According to the method, the bonding strength of the coating and the matrix interface can be visually and accurately given, the coating quality and the matching between the coating and the environment can be better evaluated according to calculated data, the use quality of subsequent workpieces is improved, the service life of the workpieces is prolonged, and flight faults in use are avoided.

A method for sealing a substrate including steps: i) providing a membrane sheet including a barrier layer and a plurality of spaced-apart strips on a lower major surface of the barrier layer, ii) providing a fresh cementitious adhesive composition, iii) applying the fresh cementitious adhesive composition to a surface of the substrate to form a wet adhesive layer, iv) covering at least a portion of the wet adhesive layer with the membrane sheet such that at least a portion of the outer surfaces of the strips are directly contacted with the wet adhesive layer, and v) letting the wet adhesive layer to harden to effect adhesive bonding between the membrane sheet and the substrate.

A moisture-permeable waterproof laminated fabric (9) includes an outer fabric layer (2), and a nanofiber nonwoven fabric layer (3) laminated on one face of the outer fabric layer (2). At least one face of the nanofiber nonwoven fabric layer (3) is a water-repellent layer (5). The outer fabric layer (2) and the nanofiber nonwoven fabric layer (3) are partially bonded together with an adhesive (4). A method for manufacturing the fabric includes applying a water repellent agent to at least one face of the nanofiber nonwoven fabric layer (3) and curing the water repellent agent to form a water repellent layer (5), and partially bonding the nanofiber nonwoven fabric layer (3) and the outer fabric layer (2) together with an adhesive (4). As a result, the moisture-permeable waterproof laminated fabric that can continue to display the air permeability and the moisture permeability of its moisture permeable film irrespective of exposure to rain and perspiration during wearing, the method for manufacturing the fabric, and a garment including the fabric are provided.

A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. For example, in an embodiment, provided is a separator for a rechargeable lithium battery including a heat resistant layer and an adhesive layer which are sequentially formed on at least one surface of a substrate, wherein the heat resistant layer includes a ceramic, the adhesive layer includes an adhesive binder and an organic filler, and the adhesive binder includes a polymer having an interpenetrating polymer network (IPN) structure.

The utility model relates to the technical field of insulation board production, and discloses a feeding structure for insulation board material production, which comprises two connecting blocks, and the outer surfaces of the two connecting blocks are jointly provided with a dust removal mechanism; the dust removal mechanism comprises two rotating rollers, each rotating roller is rotationally connected to the interiors of the two connecting blocks, the front face of one connecting block is fixedly connected with a rotating motor, the end, close to the rotating motor, of one rotating roller is fixedly connected with the power output end of the rotating motor, and the outer surfaces of the two rotating rollers are jointly sleeved with two conveying belts; the outer surfaces of the two connecting blocks are jointly and fixedly connected with an auxiliary shell. The feeding structure for insulation board material production has the capacity of cleaning and collecting a composite board, the situation that dust attached to the surface of the composite board affects the bonding effect of an adhesive, and consequently cracking occurs in subsequent use is avoided, and the effects of improving the quality of an insulation board formed through pressing and improving the practicability of a feeding device for insulation board production are achieved.

The invention relates to an attachment (25) for an optical element, in particular for an EUV mirror, comprising: a plurality of projections (31) with connecting surfaces (30) for establishing a material-bonded connection, in particular an adhesive bond, with the optical element. In the attachment (25), at least one connecting surface (30), and in particular all connecting surfaces (30), are substantially circular. The invention also relates to an optical element, in particular an EUV mirror, comprising: a base body, and at least one attachment (25) configured as described above, wherein the attachment (25) is connected to the base body at the connecting surfaces (30) via a material-bonded connection, in particular an adhesive bond. The invention also relates to a semiconductor technology system, in particular an EUV lithography system, which has at least one such optical element.

The present invention relates to a binder composite for a binder of an electrode of an electrochemical energy storage device, the binder composite containing a) hydrogenated nitrile rubber; and b) a polycondensate selected from the group consisting of a polyamide having a melting point from 140 °C to 270 oC and a polyester having a melting point from 175 °C to 270 °C; wherein the polycondensate forms domains in the hydrogenated nitrile rubber, wherein the domains have a size D50% below 3 microns within the matrix of the hydrogenated nitrile rubber.

The utility model discloses a device for detecting the bonding performance of a resin adhesive, and relates to the technical field of resin production detection devices. Comprising a base and a U-shaped fixing support arranged on the base. A first fixing assembly and a second fixing assembly are arranged on the fixing support. The material loading assembly is used for loading lower materials and comprises a fixing base, a fixing block, a sliding clamping block and an elastic piece. The two fixing blocks are arranged close to the two ends of the fixing base, the two sliding clamping blocks are arranged on the fixing base in a sliding mode and located between the two fixing blocks, and the elastic pieces are arranged between the fixing blocks and the sliding clamping blocks. A counterweight module is arranged on the bottom surface of the fixed seat, and a plurality of through grooves are formed in the counterweight module; according to the technical scheme provided by the invention, the test weight can be flexibly adjusted, and the working efficiency is effectively improved.

The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a heat-resistant layer including a binder and a filler, and an adhesive layer including an adhesive binder on the heat-resistant layer. The binder includes a (meth)acryl-based binder including a first structural unit derived from (meth)acrylic acid or a derivative of (meth)acrylic acid, a hydroxyl group-containing second structural unit, and a sulfonate group-containing third structural unit. The filler includes a cubic filler having a particle diameter D50 ranging from about 50 nm to about 250 nm. The adhesive binder includes a fluorine-based adhesive binder having a carbonyl (C═O) functional group.

A pressure sensitive adhesive composition containing a multimer of modified cyclodextrin; a pressure sensitive adhesive obtained from the pressure sensitive adhesive composition; and a pressure sensitive adhesive sheet having a pressure sensitive adhesive layer formed of the pressure sensitive adhesive. The multimer of modified cyclodextrin is preferably a dimer. The pressure sensitive adhesive is preferably an acrylic-based pressure sensitive adhesive and, in particular, preferably contains a crosslinked product obtained by crosslinking a (meth)acrylic ester polymer using a crosslinker.

The invention discloses an integrally-formed carbon fiber composite material Pick racket and a production process, and relates to the technical field of Pick racket production, the integrally-formed carbon fiber composite material Pick racket comprises a carbon fiber shell, a racket core structure is arranged in the carbon fiber shell, the racket core structure and the carbon fiber shell are integrally formed in a hot press mode, and each of the racket core structure and the carbon fiber shell comprises a racket face part and a racket handle part; the racket core structure comprises an elastic base plate, two honeycomb plates are symmetrically arranged on the elastic base plate and fixed through adhesion, an arc-shaped groove is formed in the top of the elastic base plate and the top of the honeycomb plates, a connecting strip is arranged in the arc-shaped groove, and a damping arc block is arranged at the position, corresponding to the joint of the racket face part and the racket handle part, of the elastic base plate and the honeycomb plates. The multi-layer composite racket core structure of the double honeycomb plates and the elastic base plate is adopted, and the multi-layer composite racket core structure and the carbon fiber shell are integrally formed in a hot press mode, so that collaborative optimization of light weight, high strength and shock absorption and noise reduction performance of the racket is achieved, and production efficiency and product consistency are improved.

A magnet roller includes a shaft, a first magnet piece, and a second magnet piece. The first magnet piece and the second magnet piece are bonded to an outer circumference of the shaft with an adhesive. The first magnet piece has a first surface and a recessed portion. The recessed portion is recessed with respect to the first surface. The second magnet piece has a second surface and a convex portion. The second surface is held in contact with the first surface. The convex portion protrudes with respect to the second surface. The convex portion fits into the recessed portion.

The disclosed invention includes a method of making a carbon dioxide-removing insulating material composition and the resulting carbon dioxide-removing insulating material composition, the material composition having sufficiently low thermal conductivity, the material composition is of the carbon dioxide removal type and thus absorbs more CO2 from the atmosphere during its production and use than it emits and can permanently sequestration this CO2. This is achieved by using at least one pyrolysis step of thermally insulating biomass particles bound to a further binder or a binder contained in the material or by directly compositing the thermally insulating biomass particles after pyrolysis to produce a composition that is shaped at macroscopic and microscopic levels.

According to one embodiment, a disk device includes a housing with a bottom wall, magnetic disks supported on a hub of a motor, a printed circuit board provided on an outer surface of the bottom wall, and a wiring board attached on the outer surface of the bottom wall. The bottom wall includes a recess formed in the outer surface, a step located on border between the outer surface and the recess, and through holes opened to the recess. The wiring board includes one end portion disposed in the recess and connection pads on the one end portion, connected to lead wires of a coil. An adhesive is filled into the recess and the through holes, and covers the one end and a solder joint and seals the through holes.

Systems and methods for bond quality assessment are provided. In one example, operations include receiving an input image of a vehicle component have adhesive bonding at a surface of the vehicle component. The operations cause a neural network to generate a set surface of features based on a set of training images. The operations also cause a neural network to classify one or more of the surface features as one or more inadequate coverage regions of the adhesive bonding. The operations further cause the neural network to generate a mapping. The operations cause the neural network to predict a coverage score for the vehicle component based on the one or more inadequate coverage regions. The operations include applying a set of rules to the mapping and the coverage score to generate a bond quality assessment of the vehicle component. The operations include executing a vehicle component fabrication plan.