5252 results about "Sealant" patented technology

To provide a laminate, a tube container and a tube container with a cap capable of improving recyclability while maintaining a desired performance.SOLUTION: There is provided a laminate 10 which has a first sealant layer 11 constituting an outer surface 101, a second sealant layer 12 constituting an inner surface 102, a base material layer 13 provided between the first sealant layer 11 and the second sealant layer 12 and a barrier layer 17 provided between the first sealant layer 11 and the base material layer 13 or between the base material layer 13 and the second sealant layer 12. The first sealant layer 11 and the second sealant layer 12 each contain an unstretched polypropylene resin having a density of 0.88 g / cm3 or moe and 0.90 g / cm3 or less. The base material layer 13 is a stretched polypropylene film. The barrier layer 17 is a vapor deposition layer composed of an inorganic oxide.SELECTED DRAWING: Figure 2A

A household vacuum sealer contains: a base, a lid, and a hot-melt sealing element. The base includes a receiving chamber for accommodating a control circuit and a vacuum pump. The base also includes a vacuuming chamber and an accommodation chamber. The hot-melt sealing element includes a holder, a mica slice, a laminated heating layer, the insulated composite layer, and a protective cap. The insulated composite layer includes multiple insulated tape layers. The laminated heating layer includes a high-temperature resistance tapes made of polyimide, a metal resistance tape, two electrical connection films, and two alternating current (AC) electrodes. The mica slice is parallelly fixed on a top of the holder. The laminated heating layer includes the two electrical connections. Furthermore, the protective cap is covered on the insulated composite layer and includes a hollowly elongated zone.

The utility model provides a top cover assembly and a battery pack. The top cover assembly comprises a cover plate which is provided with a pole hole penetrating through the upper surface and the lower surface of the cover plate; the pole is mounted in the pole hole; the insulating assembly comprises an upper insulating part and a lower insulating part, the upper insulating part is mounted on the upper surface of the cover plate and comprises an upper insulating part which abuts against the position between the pole and the cover plate, and the lower insulating part is mounted on the lower surface of the cover plate and abuts against the position between the pole and the cover plate; the sealing element is propped between the pole and the cover plate; wherein the outer side surface, far away from the pole, of the sealing element comprises at least one step surface, and the sealing element is also propped between the upper insulating element and the lower insulating element so as to be extruded to be in a compressed state. The sealing element is abutted between the upper insulating element and the lower insulating element so as to be extruded to be in a compressed state, so that the sealing element is sealed with the cover plate, the upper insulating element and the lower insulating element, and even if the electrolyte flows into a gap in the top cover assembly, the pole can be isolated from the electrolyte.

Disclose herein is a pouch film laminate body including a gas barrier layer, a base layer disposed on one surface of the gas barrier layer, and a sealant layer disposed on the other surface of the gas barrier layer. A loop stiffness of the pouch film laminate body in machine direction of the pouch film laminate body may be 750 mN to 1300 mN.

The invention belongs to the technical field of road engineering materials, and discloses a wide-temperature-range crack pouring adhesive based on rubber modified asphalt and a preparation method thereof.The wide-temperature-range crack pouring adhesive is prepared by taking the rubber modified asphalt as a matrix through a response surface method and adding SBS, basalt fibers and a modifier. The performance of the material is tested through a conventional test, and meanwhile, a test with more characteristics in northeast regions is provided, and the performance of the material is detected through injection depth, viscosity, low-temperature stretching after aging and freeze-thaw cycle stretching. Results show that a test designed by a response surface method has very strong reliability, and the modified heating type crack pouring adhesive added with the basalt fiber can significantly improve the high and low temperature performance of the crack pouring adhesive, and also has good anti-aging performance and freeze-thaw cycle resistance. And the filling depth and the viscosity of the sealant are not obviously lower than those of the same type of sealant.

The invention relates to the technical field of building materials, in particular to a fabricated ALC light wallboard and a mounting method thereof.The fabricated ALC light wallboard comprises a bottom support unit arranged on the ground, the bottom support unit comprises a bottom support frame arranged on the ground, the bottom support frame is of a U-shaped structure with an upward opening, and a plurality of clamping parts are mounted on the front side wall and the rear side wall of the bottom support frame; the assembly type ALC light wallboard further comprises a plurality of wallboard units, and the wallboard units are evenly distributed on the bottom support unit. According to the wallboard bodies, the clamping protrusions are matched with the clamping grooves, the elastic clamping structures of the buckling parts and sealant are combined, the adjacent wallboard bodies can be rapidly connected, smearing of a traditional binder and waiting for solidification are not needed, positioning installation of the bottom supporting units and the top supporting parts is completed through preset drilled holes and standardized connecting pieces, and the installation efficiency is greatly improved. And the limiting plate and the back shore frame are matched to synchronously limit the installed wallboard body, repeated adjustment is avoided, and the overall construction efficiency is improved.

The invention relates to the field of corrugated pipe connection, in particular to a corrugated pipe mechanical sealing device which comprises a mounting frame and a smearing mechanism arranged on the mounting frame, the smearing mechanism comprises a first arc plate and a second arc plate which are arranged below the mounting frame, and the first arc plate and the second arc plate can form a circular ring; a first arc-shaped toothed plate is slidably mounted on the first arc plate, a second arc-shaped toothed plate is slidably mounted on the second arc plate, the first arc-shaped toothed plate and the second arc-shaped toothed plate can form a toothed ring, the axis of the circular ring is the same as that of the toothed ring, the toothed ring can rotate on the circular ring, and a spraying head facing the corrugated pipe is mounted on the first arc-shaped toothed plate. The mounting frame is fixedly connected with a sealant storage box, the sealant storage box is connected with the spraying head through a conveying pipe, the conveying pipe is provided with a conveying pump, and the mounting frame is provided with a driving part used for driving the first arc plate and the second arc plate to be close to each other or away from each other. The problem that the connecting efficiency of the corrugated pipe is low is solved.

The invention relates to a three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system, and belongs to the technical field of curtain walls. The three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system comprises a keel frame, a curtain wall plate and a connecting cross rod, the connecting cross rod is fixedly connected to the end, facing the keel frame, of the curtain wall plate, and the surface of the connecting cross rod is sleeved with a connecting component in threaded connection with the keel frame; the connecting component comprises a first locking assembly in threaded connection with the keel frame, the top of the first locking assembly is fixedly connected with a depth adjusting assembly, and the top of the depth adjusting assembly is fixedly connected with a lateral adjusting assembly; an installation worker can trigger the anti-loosening assembly to discharge the liquid sealant while installing the second locking assembly, and the connecting components are integrally bonded and fixed together, so that the problem that an existing hyperbolic special-shaped GRC curtain wall system with a three-dimensional adjustable function is prone to loosening and even falling off due to the influence of external force is solved.

The invention relates to the technical field of tensile tests, and discloses a building sealant stretching performance test device, which comprises a test box, a first clamp, a loading block, a linear driver and a driving mechanism, a door plate is mounted on the front of the test box; the first clamp is installed at the top in the test box, the loading block is arranged in the test box, located below the first clamp and driven by the linear driver to move up and down, a through loading channel is formed in the loading block, and a cylinder is arranged in the loading channel and driven by the driving mechanism to rotate; a through assembly channel is formed in the cylinder body, and a transversely-arranged guide rail body is installed in the assembly channel. According to the invention, by carrying out stretching, torsion, inclined stretching, tearing stretching, winding stretching and testing in a low-pressure environment on the sealant, the mechanical properties of the sealant under complex working conditions can be comprehensively evaluated, the testing precision and reliability are improved, the actual engineering requirements are met, and meanwhile, the testing safety and environmental protection property are ensured.

The invention relates to the technical field of sandwich composite materials, and particularly discloses a co-curing preparation method of a honeycomb sandwich composite material for an airplane, which comprises a lower mold, a prepreg laying layer, a honeycomb core body, an upper mold, an annular glue suction felt, a vacuum nozzle, a sealant and a vacuum bag, and further comprises the following steps: cleaning the molds by using a cleaning agent, wiping the contact surface of the mold and the sandwich plate to be dry to ensure that no obvious foreign matters exist on the surface; compared with traditional gluing forming, the upper die and the lower die are adopted for controlling the surface quality of the upper panel and the lower panel of the honeycomb sandwich composite material respectively, the technological process is simple, the production period is short, the gluing performance is better, compared with a traditional co-curing forming technology, the quality of the panel is higher, and the mechanical property of a formed component is better; the prepreg fibers can be prevented from buckling, so that the honeycomb sandwich composite material is more stable in quality and lower in rejection rate, and the preparation cost can be effectively reduced.

An electronic assembly comprises a first housing portion and a second housing portion coupled to the first housing portion to form a cavity. A circuit board resides within the cavity. The second housing portion has a connector body with a hollow core, where the connector body extends outward from the second housing portion. The connector body has walls with a corresponding wall mating surface that faces a respective circuit-board mating surface of the circuit board. An adhesive sealant is configured to adhere to the wall mating surface and the circuit-board mating surface.

The invention relates to the technical field of water seepage performance detection, in particular to a backpack water seepage performance rapid detection device which comprises a detection box, an extrusion mechanism is arranged at the bottom of the inner wall of the detection box, a trowelling mechanism is arranged on the extrusion mechanism, a pressing mechanism is arranged at the top of the inner wall of the detection box, and a filtering mechanism is arranged on the outer wall of the detection box. The extrusion mechanism comprises a collection pipe fixedly penetrating through the bottom of the inner wall of the detection box, the top end of the collection pipe is fixedly connected with a placement ring, and a storage cavity for storing sealant is formed in the placement ring; according to the device, the smearing efficiency can be improved, sealant can be uniformly smeared around a to-be-tested area through the arrangement of the trowelling mechanism, so that the consistent smearing thickness is ensured, the sealing effect is further ensured, the accuracy of water seepage performance detection is improved, and under the cooperation of the structure, the detection work of the terylene knapsack can be rapidly completed, and the detection efficiency is improved. The detection efficiency is improved.

The invention relates to the technical field of building decoration materials, in particular to a high-performance antibacterial mildew-proof sealant and a preparation method thereof. The sealant is prepared from the following raw materials in parts by weight: 20 to 30 parts of silane modified polyurethane, 40 to 50 parts of nano calcium carbonate, 20 to 30 parts of a plasticizer, 3 to 7 parts of a hydroxyl silane coupling agent, 0.4 to 0.8 part of a mildew preventive, 0.3 to 0.7 part of an ultraviolet light absorber, 0.3 to 0.7 part of a de-foaming agent and 0.8 to 1.2 parts of a first catalyst. The high-performance antibacterial and mildew-proof sealant has long-acting antibacterial and mildew-proof performance, and excellent mechanical performance and weather resistance of the sealant can be maintained, so that the requirements of industries such as building, medical treatment and food processing on high-performance, healthy and environment-friendly sealing materials are met; and the preparation method is simple and controllable, the production cost is relatively low, and large-scale production can be realized.

The invention provides a superfine nano phosphorus-carbon negative electrode material prepared based on in-situ high-temperature phase change in a confinement microcavity and a preparation method of the superfine nano phosphorus-carbon negative electrode material. The method aims to solve the problems of large volume expansion, poor conductivity, poor cycling stability and the like when phosphorus is used as a negative electrode material of an alkali metal ion battery. By constructing a confinement microcavity on the surface of a porous conductive material and combining a transient high-temperature phase change technology, phosphorus can be uniformly distributed and nanocrystallized. The method comprises the following steps: mixing phosphorus and a conductive porous material in a solvent, sanding, forming solid particles through reforming granulation, and constructing the confinement microcavity through coating treatment. Transient heating is carried out in a high-temperature device, so that the phosphorus source is quickly sublimated and uniformly distributed, finally, heat-preservation conversion is carried out in a sealed container, and the stability of the material is improved. The method not only improves the utilization efficiency of phosphorus and the conductivity of the material, but also enhances the cycle life and energy density of the battery, and has the advantages of simplifying the process flow and reducing the production cost.

The invention relates to the technical field of river bank protection, in particular to a river bank slope protection for cofferdam construction and a construction method thereof. S2, construction of a near-water area structure; s3, construction of a far water area structure; s4, ecological enhancement; triple optimization of river bank protection is achieved through dynamic water level monitoring and modular design, a double-layer reinforced concrete and elastic sealant structure is adopted in a near-water area, the compressive strength is improved by 20%, the crack width is smaller than or equal to 0.2 mm, and material waste is reduced by 15% in cooperation with dynamic width adjustment (+ / -2 m); the mold bag concrete slope protection is combined with an atomization spraying system, the anti-scouring capacity reaches 5 m / (m.s), the vegetation coverage rate is larger than or equal to 80% within 3 months, and the water and soil loss rate is reduced by 70%; the modular honeycomb structure inflation assembly efficiency is improved by 40%, the transportation cost is reduced by 50%, the distributed sensors achieve structure displacement / pressure three-level early warning, the operation and maintenance cost is reduced by 70%, the overall service life is prolonged by more than 5 years, and an ecological-engineering collaborative protection system is formed.

To enable reduction of effort required to confirm whether or not a flexible pipe has been properly connected.SOLUTION: Sealing material 22 for flexible pipe comprises a seal acting part 160, a cylindrical body part 162, and a penetration preventing part 164. The seal acting part 160 engages with a valley part 312 of a flexible pipe 300 as the seal acting part is stored together with the flexible pipe 300. As a result, the seal acting part 160 seals a gap between outer peripheral surfaces 310 and 312 of the flexible pipe 300 and a portion in which the flexible pipe 300 is stored. The cylindrical body part 162 is directly or indirectly connected to the seal acting part 160. The body part 162 has an inner diameter that allows insertion of the flexible pipe 300. The penetration preventing part 164 is directly or indirectly connected to the body portion 162. The penetration preventing part 164 prevents the flexible pipe 300 from passing through the body part 162. A groove 180 is provided in an outer perimeter of the body part 162.SELECTED DRAWING: Figure 4

An integrated self-sealing joint sealing system that is incorporated into the factory edges of a sheathing panel prior to installation at a job site, eliminating the need to secondarily apply tapes or similar fluid-applied sealants, as the joints will become sealed when mated and installed next to adjacent sheathing panels. The system works with a variety of joint types, including, but not limited to, bead-and-cove joints, cove-and-cove, and cove-and-butt joints, with matching corresponding joint profiles along panel edges. A compressible sealant, adhesive or gasket material is applied to surfaces in one or both profiles at the factory during the manufacturing process. During field installation, the matching corresponding joint profiles are placed together so the sealant material is compressed, forming a complete watertight and airtight joint.

The utility model relates to the technical field of sealant processing, and discloses a mould for sealant production and processing, which comprises an upper mould, a lower mould and a support plate, the top of the upper mould is fixedly connected with a connecting column, the top of the connecting column is fixedly connected with a transverse plate, the support plate is provided with a linear lead screw module, one side of the transverse plate is connected with the linear lead screw module, and the other side of the transverse plate is connected with the lower mould. The upper mold is provided with a feeding pipe, the connecting column is fixedly connected with an electric telescopic rod, the end of the electric telescopic rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with an annular scraper knife, the inner circumferential wall of the scraper knife abuts against the outer circumferential wall of the upper mold in a sliding mode, and the bottom of the support plate is fixedly connected with a rotating motor. According to the sealant recycling device, sealant liquid can be cleaned and recycled through the scraper and the scraper knife, and waste of the sealant liquid is avoided.

Provided is a sealant film for laminates that has excellent heat resistance, low-temperature sealing properties and impact resistance. [Solution] A sealant film for laminates to be used with a polypropylene content of 80% by mass or more, the sealant film for laminates comprising at least a first layer located on one surface of the laminate and a second layer in contact with the first layer, the first layer comprising a first matrix resin component and a first dispersed component at 51% by mass or more and 90% by mass or less, and having a sea-island structure with the first dispersed component dispersed in the first matrix resin component, the second layer comprising a second matrix resin component and a second dispersed component at 51% by mass or more and 85% by mass or less, and having a sea-island structure with the second dispersed component dispersed in the second matrix resin component, the first matrix resin component comprising a propylene-ethylene random copolymer, the first dispersed component comprising 5% by mass or more of polyethylene, the second matrix resin component comprising a block polypropylene, and the second dispersed component comprising 5% by mass or more of polyethylene.

The present invention provides a photovoltaic assembly, including a solar panel and a frame installed on the edge of the solar panel, the frame is provided with a clamping part for clamping the edge of the solar panel, the clamping part is provided with a sealant, the top surface of the cover plate is provided with a groove arranged along the edge of the cover plate, the groove is located in the clamping part to accommodate the sealant in the clamping part. The present invention arranges grooves on the edges of the cover plate so that part of the sealant can be accommodated, thereby preventing the sealant in the frame from excessively overflowing, reducing the contamination of the cover plate surface by the overflowed glue, alleviating the trouble of manual cleaning, and improving the problem of overflowed glue in the frame.

The utility model discloses a shell device for spherical projection imaging, which comprises a transparent upper shell, a lower shell and a neck shell, the neck shell is arranged on one side of the upper shell far away from the lower shell, the neck shell and the upper shell are integrally formed, a bearing base is arranged on the inner bottom surface of the lower shell, the bearing base is provided with an accommodating groove, and the accommodating groove is communicated with the accommodating groove. A containing groove is formed in the neck shell and can contain a rolling bearing, the bearing base is in contact connection with the outer surface of the rolling bearing, a cable penetrating channel allowing a cable to penetrate is formed in the neck shell, a waterproof connector is arranged in the cable penetrating channel, the space among the waterproof connector, the cable penetrating channel and the cable is filled with sealant, and long groove holes which are oppositely formed are formed in the two sides of the neck shell. One end of the long slotted hole is connected with a suspension support through a bolt, and the other end of the long slotted hole serves as a glue pouring end. According to the utility model, the long slotted hole realizes dual purposes and convenience, can be used for being connected with a suspension bracket, and can also be used as a glue filling port, so that glue filling is accurately controlled, sealant waste is avoided, and the glue filling period is shortened.

A vehicle assembly system for sealing and skiving vehicle seams. The assembly system includes an upstream seam sealant station that determines offsets between vehicle reference points and the seams using a vision sensors and sends the offsets to a downstream seam skiving station. The assembly system also measures the size of the sealant bead and controls the sealant dispense pressure to maintain the desired size.

The sucker rod wellhead polish rod sealing structure comprises a sealing box arranged on a sucker rod wellhead polish rod in a sleeving mode, the upper end and the lower end of the sealing box are open, the lower end of the sealing box is fixed to the upper end of a wellhead pipe, a gland is arranged at the upper end of the sealing box, a connecting pipe is arranged in the middle of the sealing box, and the connecting pipe is communicated with an inner cavity of the sealing box. The upper end and the lower end of an inner cavity of the sealing box are each provided with a sealing packing, and a containing cavity is formed between the interval space and the inner wall of the sealing box. A detachable reducer union is arranged at the outer end of the connecting pipe, and a detachable sealing cock is further arranged on the outer wall of the connecting pipe. According to the combined sealing structure, when sealing fails, sealant can be injected into the containing cavity through the sealant injection gun, the damaged combined sealing structure is repaired, shutdown is not needed, disassembly is not needed either, repairing is rapid, and the oil extraction efficiency is improved; meanwhile, a glue injection gun is used for glue injection repair, and operation is convenient. The combined sealing structure can be repeatedly used, and the service life is long.

The invention relates to the field of electric power engineering, in particular to a fireproof material technology. The rapid foaming fireproof and waterproof sealant for the power cable comprises a component A and a component B, wherein the component A comprises a resin matrix, a foaming agent, a flame retardant, a plasticizer and a filler, and is doped with a fragmented glass fiber mesh which is used as the filler; wherein the component B comprises a cross-linking agent, a catalyst and a coupling agent. The rapid foaming fireproof and waterproof sealant for the power cable is formed by adopting an organic silicon modified polyester material, and the high temperature resistance, weather resistance and chemical corrosion resistance of the sealant are remarkably improved by introducing organic silicon on the basis of keeping the original excellent performance of polyester. And in addition, the inorganic environment-friendly flame retardant material is especially added, so that the environment-friendly requirement is met, and the safety and the environment-friendly property of the product are ensured.

A sealant cartridge housing 200 comprises a housing tube 201 and a slider 202, the slider being slidably received within the housing tube 201, and slidable along the length of the housing tube when a

A polyurethane composition with stable matt surface and good chalking resistance, which is suitable for use as a sealant and / or an adhesive for sealing and / or bonding, preferably for gap-filling, particularly in construction and manufacturing industries. The polyurethane composition includes:—a polyurethane prepolymer containing an isocyanate group, including a MDI-based prepolymer synthesized from a polyether diol and a polyether triol with MDI, and a TDI-based prepolymer synthesized from a polyether diol and a polyether triol with TDI; and —a phenyl alkyl sulfonate in an amount of 12-25 wt %, preferably 18-25 wt %, based on the total weight of the composition.

The ultrafiltration membrane assembly comprises a membrane shell, a containing cavity is formed in the membrane shell, an ultrafiltration membrane set is arranged in the containing cavity, the ultrafiltration membrane set comprises a central tube, ultrafiltration membrane wires and an ultrafiltration membrane cover, and the central tube, the ultrafiltration membrane wires and the ultrafiltration membrane cover are fixed through sealing glue; the device further comprises an electromagnetic vibration assembly, the electromagnetic vibration assembly comprises a vibration ring, a mounting sleeve and an electromagnet, the mounting sleeve is attached to the inner wall of the membrane shell, the outer side of the ultrafiltration membrane wire is sleeved with the vibration ring, and the vibration ring is connected with the mounting sleeve through an elastic piece; at least one magnet block is embedded in the vibrating ring, the electromagnet is mounted on the outer side wall of the membrane shell, and magnetic poles on the electromagnet can be alternately changed to drive the vibrating ring to drive the ultrafiltration membrane filaments to vibrate. The vibrating ring is arranged in the membrane shell, the vibrating ring is used for driving the ultrafiltration membrane filaments to vibrate during flushing, dirt attached to the ultrafiltration membrane filaments is cleaned through vibration and water flow impact force, cleaning of the dirt attached to the membrane filaments is accelerated, the cleaning efficiency and the cleaning strength are improved, and the service life of the membrane filaments is prolonged.

The invention relates to a silver-coated hollow glass bead, an organosilicon heat-conducting pouring sealant and a preparation method and application thereof, and the preparation method of the silver-coated hollow glass bead comprises the following steps: S1, carrying out oil removal treatment on the hollow glass bead to obtain the pretreated hollow glass bead; and S2, mixing the pretreated hollow glass beads, polyacrylic resin, a silver-ammonia solution, a reducing agent and an alkaline agent to form a reaction solution, and carrying out a reduction reaction to obtain the silver-coated hollow glass beads. According to the invention, polyacrylic resin is added as a dispersing agent, so that the organosilicone heat-conducting pouring sealant prepared from the prepared silver-coated hollow glass beads not only has good hardness, but also keeps low density, and meanwhile, the heat conductivity coefficient is greatly improved, and the heat conductivity coefficient is obviously improved.

The utility model relates to a dimming assembly and a vehicle. The dimming assembly comprises a first transparent substrate, a first bonding layer, a dimming layer, a second bonding layer and a second transparent substrate which are sequentially arranged in a stacked mode. Wherein the first bonding layer, the dimming layer and the second bonding layer are all shrunk inwards relative to the first transparent substrate and the second transparent substrate, the dimming assembly further comprises a sealant layer, and the sealant layer is arranged in at least part of the shrunk-inwards area and makes contact with the first transparent substrate and the second transparent substrate. The side edge of the sealing glue layer does not exceed the side edges of the first transparent substrate and the second transparent substrate, and the width of the sealing glue layer is larger than or equal to 1 mm. The dimming assembly has a good water vapor erosion resistant effect.

The invention discloses a hollow fiber membrane module with an anti-pollution function, the anti-pollution hollow fiber membrane module comprises a lower fixed end and an aeration pipe with specific structures, and particularly comprises a sealant layer with an upper surface in a specific shape and a sub-aeration pipe with an upper opening (also called as an aeration hole) in a specific shape; the upper surface of the sealing glue layer is high in the middle and low in the two sides in the extending direction of the sealing glue layer, the upper opening of each sub-aeration pipe is provided with the two ends with different heights, and the outer side of each sub-aeration pipe is lower, so that pollutants are not prone to accumulation on the upper surface of the lower fixing end and the hollow fiber membrane filaments through cooperation of the two ends, and the pollutants fall off outwards more easily; therefore, the pollution resistance of the membrane component is improved.