248 results about "Moisture barrier" patented technology

Methods and apparatus for vacuum forming and subsequently applying topical coatings fiber-based food containers. The slurry includes one or more of an embedded moisture barrier, vapor barrier, and oil barrier, and the topical coating comprises one or more of a vapor barrier, a moisture barrier, an oil barrier, and an oxygen barrier. For food containers having deep sidewalls, a spray coating system includes a first nozzle for applying a full cone spray pattern to the bottom surface of the container, and a second nozzle for applying a hollow cone spray pattern to the inside surfaces of the side walls.

A multilayer packaging material includes a substrate formed of a cellulosic fiber-based material. The substrate has a first major surface and a second major surface opposite the first major surface. An oxygen barrier layer is formed of a PVOH material attached to the substrate, wherein the oxygen barrier layer is an innermost layer of the multilayer packaging material and further wherein the oxygen barrier layer is heat sealable. At least one moisture barrier layer is attached to the substrate, the moisture barrier layer selected from an inner moisture barrier layer disposed intermediate the substrate and the oxygen barrier layer and an outer moisture barrier layer disposed on the second major surface of the substrate. In further aspects, a packaging article, a method for making a multilayer packaging material, and a method for packaging a product are provided.

The invention provides a cigarette case and a manufacturing process thereof. The cigarette case comprises a case body and a case cover comprising a damp-proof layer or a moisture-proof layer, whereinthe case body is made of paper pulp raw materials or plant fibers, a waterproof film is pasted to the outer surface and / or the inner surface of the case body, and the waterproof film can be attached to the outer surface and / or the inner surface of the case body in a hot melting manner. According to the cigarette case, excellent moisture resistance can be guaranteed while environment-friendly materials are used. Through the hot melting manner, tight fitting and wrapping of the case body by the waterproof film can be ensured.

The invention provides a composite material for forming a stress release layer, a preparation method of the composite material, an integrated co-fired piezoelectric ceramic actuator and a preparation method of the integrated co-fired piezoelectric ceramic actuator. The method for preparing the composite material for forming the stress release layer comprises the following steps: carrying out ball milling treatment on Bi2O3, Fe2O3, Pb3O4 and TiO2 to obtain precursor powder; the precursor powder is subjected to heat treatment, and BiFeO3-PbTiO3 ceramic powder is obtained; and mixing the BiFeO3-PbTiO3 ceramic powder with the inner electrode metal slurry to obtain the composite material. The internal stress of the actuator is effectively regulated and controlled by utilizing the negative thermal expansion characteristic of the BF-PT ceramic. The elasticity of the inner electrode metal ensures the stress slow-release capability of the inner electrode metal and the outer electrode metal serving as a composite material of a stress release layer, and meanwhile, an effective water vapor barrier is constructed due to the high density of the inner electrode metal.

The utility model discloses a stomatological moisture-proof former, which belongs to the technical field of medical instruments and comprises a first dental arch plate, a second dental arch plate is mounted on the outer side of the first dental arch plate, and both the first dental arch plate and the second dental arch plate are formed by compression molding of medical transparent thermoplastic polyurethane materials. Positioning assemblies used for assisting in fixing the two dental arch plates are installed at the two ends of the outer sides of the first dental arch plate and the second dental arch plate, a fixing block is fixedly connected to the rear side of the middle of the outer wall of the second dental arch plate, a threaded rod is rotationally connected to the middle of the outer wall of the first dental arch plate, and the tail end of the threaded rod is in threaded connection to the inner wall of the fixing block; the distance between the first dental arch plate and the second dental arch plate can be adjusted by driving the fixed block to move through the threaded rod, and meanwhile, the two dental arch plates and the moisture insulation pad can be stably fixed on the two sides of teeth by matching with the positioning assembly, so that the moisture insulation and forming effects on a tooth area are improved.

The utility model relates to the technical field of green buildings, in particular to a green building wall structure. According to the technical scheme, the structure comprises two outer walls, an inner wall is arranged between the two outer walls and comprises inner wall surface layers arranged on the two sides, heat insulation layers are arranged on the sides, close to each other, of the two inner wall surface layers, and damp-proof layers are arranged on the portions, between the two inner wall surface layers, of the two sides of the heat insulation layers; multiple sets of reinforcing rods are arranged on the sides, close to each other, of the two sets of outer walls, reinforcing rib frames are arranged in each set of outer walls, assembling clamping strips are arranged on the two sides, away from the assembling grooves, of the inner walls, and multiple sets of pipeline cavities are formed in the outer walls and the inner walls. The wall body has excellent heat insulation and heat preservation performance through the arrangement that the outer wall and the inner wall are matched with each other, energy consumption of a building can be greatly reduced, wall body materials can be recycled, generation of building waste is reduced, and reduction of resource waste is facilitated.

This utility model provides a double-sided composite fireproof and heat-insulating board, relating to the technical field of fireproof and heat-insulating boards. It includes a wall, a moisture-proof component, and a protective component. A board is provided on one side of the wall, and a pressure plate is provided on the side of the board away from the wall. A moisture-proof layer is fixedly connected to one side of the pressure plate, and a fireproof layer is fixedly connected to one side of the moisture-proof layer. This double-sided composite fireproof and heat-insulating board, through the inclusion of the moisture-proof component, provides the following benefits during use: the pressure plate is impact-resistant and windproof; the moisture-proof layer prevents water vapor from entering the interior of the insulation board; the fireproof layer provides fire resistance and heat insulation; the insulation layer is used for the insulation core material; the vacuum layer improves the insulation performance; and the adhesive layer facilitates board installation. This achieves the effect of improving the device's moisture-proof performance, avoiding the situation where high humidity in the air during the rainy season in southern regions, coupled with indoor dampness, allows moisture to easily enter the core material, leading to internal moisture absorption and increased thermal conductivity.

Embodiments of the present application provide a pin grid array structure, comprising: a package lead frame; and a moisture barrier layer disposed on an upper surface of the package lead frame and covering an intersection of a package compound and the lead frame of the package lead frame. The purpose of the present application is to provide a pin grid array structure and a semiconductor structure to improve yield.

This utility model discloses a project management document storage device, including an assembly, an adjustment component, and a moisture-proof component. The adjustment component is located in the middle of the assembly, and the moisture-proof components are located on both sides of the assembly. Each moisture-proof component includes a fixed frame, a through hole, a drawer, and a moisture-proof layer. The fixed frame has a through hole in its middle, and the drawer is located inside the fixed frame. In this project management document storage device, elastic buckles are provided at both ends of a support plate, allowing for position adjustment within the cabinet. The support plate is made of iron. A baffle is then magnetically attached to the iron support plate via a bottom magnetic block, limiting the placement of project management document folders. The storage device includes a monitoring block and a display screen. An internal probe on the monitoring block positions the project management document folders for quick retrieval. Finally, a desiccant is placed inside the drawer to prevent moisture damage to the documents inside the cabinet.

The utility model relates to the technical field of corrugated cartons, and discloses a mildew-proof corrugated carton which is characterized in that a bottom plate is arranged at the bottom of a carton body; a moisture-proof device is arranged on the carton device, and the moisture-proof device comprises a moisture-proof box arranged on the outer side wall of the carton body; the frame body I is arranged on the moisture-proof box; the first sliding rails are symmetrically arranged on the two sides of the first frame body, and the first frame body is slidably connected with the moisture-proof box through the first sliding rails. The frame body II is arranged on the bottom plate; the second sliding rails are symmetrically arranged on the two sides of the second frame body, and the second frame body is slidably connected with the bottom plate through the second sliding rails. The magnetic attraction blocks are arranged on the back plate of the second frame body and the back plate of the bottom plate. The damp-proof box is arranged on the outer side wall of the periphery of the carton, the frame body in sliding connection is arranged in the damp-proof box, the damp-proof layers made of different materials are arranged in the frame body, and when the damp-proof layers are used for a certain time and need to be replaced, a user can pull the frame body up from the damp-proof box by directly lifting the handle.

The utility model discloses an explosion-proof valve, a battery pack with the explosion-proof valve and a box body used for the battery pack, the explosion-proof valve comprises a valve body, the valve body is provided with a pressure relief hole, and the pressure relief hole penetrates through the valve body along a first direction; the pressure relief assembly is arranged on the valve body, the pressure relief assembly is used for closing and opening the pressure relief hole, an airflow channel extending in the first direction is formed in the pressure relief assembly, and the airflow channel is suitable for communicating the inner space and the outer space of the box body; the moisture blocking assembly is configured to conduct or block the airflow channel; the fire arresting part is arranged on one side, in the first direction, of the valve body, the fire arresting part is suitable for being arranged in the box body, the fire arresting part is provided with an avoiding hole penetrating through the fire arresting part in the first direction, and the pressure relief assembly partially penetrates through the avoiding hole. According to the explosion-proof valve disclosed by the utility model, the safety performance of the battery pack can be well improved, and the pressure relief assembly and the fire-retardant part are more compactly arranged on the valve body, so that the explosion-proof valve can be more conveniently arranged on the box body.

A transparent display apparatus is provided, which has excellent encapsulation characteristics while reducing a bezel width. The transparent display apparatus includes a display area disposed on a substrate, including a pixel having a transmissive portion, and a non-display area disposed near the display area, having a GIP portion, and a moisture permeation preventing portion disposed between the GIP portion and the display area.

This invention belongs to the field of building engineering quality inspection technology, and discloses a defect detection method for aluminum-magnesium-manganese metal roofs. This method is designed for phased construction and acceptance scenarios of metal roofs. Based on the design documents, it establishes inspection benchmarks such as panel type parameters, vertical joint parameters, purlin axis parameters, fixing seat arrangement parameters, moisture-proof layer overlap parameters, and insulation layer laying parameters. It integrates exposed base images during the construction phase, visible light images and infrared temperature images or elevation data during the sealing phase, and completes registration mapping, measured parameter extraction, abnormal area projection overlap analysis, and consistency verification under a unified roof coordinate system, realizing traceable output of defect type, defect coordinates, and defect level.

The utility model belongs to the technical field of cartons, and particularly relates to a compression-resistant folding cigarette carton which comprises a cubic carton body, three-edge angle beads are arranged between every two adjacent faces in the carton body, and a supporting transverse strip is arranged between every two three-edge angle beads. A group of two opposite panels in the horizontal direction of the box body are a plate A and a plate B, and the middle ends of the plate A and the plate B are provided with vertically downward wrinkle parts, so that the plate A and the plate B are folded in half along the wrinkle parts. The other group of two opposite panels in the horizontal direction of the box body are a plate C and a plate D, the plate C and the plate D are sequentially provided with a wear-resistant layer, a damp-proof layer, a hardened layer and a corrugated layer from outside to inside, and the hardened layer comprises a ring located at the middle end and guide strips extending to the four corners of the same face from the ring. The three-edge angle beads are matched with the supporting transverse strips to achieve a cubic framework supporting structure, and the stacking stability is greatly improved. The middle end ring provides core support, the guide strips extend to the four corners, external force impact is dispersed, and the local anti-pressure capacity is improved.

To provide an article in which waterproof steam characteristics and recycling suitability are imparted to paper or paperboard.SOLUTION: An article comprising a film applied to a paper or paperboard substrate, wherein the film comprises polyisobutylene and polyolefin, and wherein the film has a thickness in the range of about 3 μm to 20 μm. The article is useful for providing desirable moisture barrier and adhesion properties.SELECTED DRAWING: None

The utility model provides a low-temperature-resistant winding dragging cable, which relates to the technical field of wires and cables and comprises an outer insulating sleeve, conductors distributed in an annular array are arranged inside the outer insulating sleeve, an inner insulating layer is fixedly sleeved outside the conductors, and a moisture-proof layer is fixedly sleeved inside the outer insulating sleeve. By adopting the combination of various adaptive materials such as the outer insulating sleeve made of fluoroplastic and the inner insulating layer made of silicon rubber, the cable can work normally in an extremely low-temperature environment of lower than-40 DEG C, maintains stable electrical insulation and protection performance and the like, and can be used for protecting the cable under the action of external force such as frequent dragging and bending and the like. By means of good flexibility guaranteed by the oxygen-free copper multi-strand stranded conductor, stability of reasonable structure matching of all layers and external protection provided by the thickened sheath, the problems of internal structure damage, conductor breakage and the like can be avoided, it is ensured that the overall performance of the cable is reliable, and the cable can better adapt to low-temperature complex application scenes needing winding and dragging.

A lower-body garment that has built-in leak protection. The built-in leak protection can be achieved through an integral gusset or an internal assembly that is positioned interior to an exterior layer that forms the lower-body garment. The internal assembly can include a front torso portion, a back torso portion, and a crotch portion. The crotch portion can include a spacer fabric layer configured to be positioned adjacent to a wearer's body surface, and a moisture-barrier layer secured to the spacer fabric layer and configured to be face outward.

The utility model discloses a kind of anti-permeation moisture-proof structures of building wall, comprising: wall, the outside of the wall is fixedly connected with adhesive layer, the outside of the adhesive layer is fixedly connected with moisture-proof layer, the outside of the moisture-proof layer is fixedly connected with waterproof finish layer;Drying assembly.The utility model, when daily use, moisture-proof layer can absorb the moisture of wall outside, ensure that wall outside always keeps dry state so that moisture is absorbed by moisture-proof layer, in sunny day, heat of illumination can be absorbed by heat-absorbing plate, finally heat is transferred to radiating wire by heat-conducting plate, finally radiating wire radiates heat to make moisture in moisture-proof layer evaporate dry, when moisture in moisture-proof layer evaporates and gasifies expansion, gas will flow out from air hole, gas expansion will pressurize plugging plate in process, synchronously make that slide pole and plugging plate extend outward, so that gas passes through air plate and discharges, further improve the effect of moisture-proof.

The utility model discloses a kind of moisture-proof composite corrugated paperboard, it is related to corrugated paperboard field, specifically a kind of moisture-proof composite corrugated paperboard, including bottom layer moisture-proof layer, inner layer corrugated core layer, intermediate barrier layer, outer layer corrugated core layer and surface layer moisture-proof layer from inside to outside are sequentially arranged;The bottom layer moisture-proof layer is PET film kraft paper, the surface layer moisture-proof layer is PE film kraft paper, the intermediate barrier layer is aluminum foil composite paper, the inner layer corrugated core layer is melamine resin modified corrugated paper, the utility model solves the current corrugated paperboard surface using coating single waterproof coating or using single layer plastic film film coating, the moisture-proof effect of this single coating processing mode is limited, and easily failure due to abrasion;Although single layer film can block part liquid water, it is difficult to solve water vapor penetration problem, and interlayer is mostly starch adhesive, swelling peeling after meeting water, cannot satisfy the long-term use demand of high humidity environment problem.

The utility model discloses an implantation guide plate with a rubber barrier, which particularly relates to the field of dental implantation and comprises a positioning plate, rubber barrier cloth is arranged at the upper end of the positioning plate, a guide plate is arranged at the upper end of the rubber barrier cloth, a positioning groove is formed in the bottom end of the positioning plate, a clamping plate is arranged in the positioning groove, and a clamping groove is formed in the clamping plate. A positioning groove is formed in the upper end of the positioning plate, a positioning protrusion is arranged at the bottom end of the guide plate, a guide ring is fixedly arranged in the middle of the guide plate, and a guide ring in-place hole is formed in the upper end of the positioning plate. According to the utility model, the rubber barrier cloth is arranged between the positioning plate and the guide plate, can play roles in isolating moisture, isolating infection, clearing the visual field, pulling soft tissues and the like, can prevent cooling water, saliva or blood from influencing the operation of medical personnel during hole preparation, and can improve the visual field in the oral cavity and the success rate of the implant.

The utility model discloses a municipal engineering pipeline sleeve type anti-deformation joint structure which comprises a pipeline A and a pipeline B. The municipal engineering pipeline sleeve type anti-deformation joint structure is characterized in that the pipeline A and the pipeline B are arranged; the butt joint gap of the pipeline A and the pipeline B is filled with a buffer damp-proof layer; the outer side of the butt joint gap of the pipeline A and the pipeline B is wrapped by a C25 reinforced concrete sleeve; the concrete sleeve can be used as a firm protective layer, and the C25 reinforced concrete has high compressive strength and certain bending resistance. The pipe joint is wrapped with the pipe joint, extra support can be provided for the pipe, particularly under the condition that the pipe crosses a road or a railway or bears a large external load, pressure can be effectively dispersed, the pipe is prevented from being deformed and broken due to external force, and safe operation of the pipe is protected. And the reinforced concrete sleeve is tightly combined with the pipeline, so that the stress of the pipeline in the operation process is more uniform. And particularly for a long-distance conveying pipeline, stress concentration caused by factors such as self weight of the pipeline and temperature change can be reduced, and the risk that the pipeline cracks or leaks is reduced.

This invention discloses a method for waterproofing corrugated cardboard without an adhesive layer based on corona activation pretreatment. This method completely eliminates the need for applying adhesive layers such as polyvinyl alcohol. First, the cardboard surface undergoes online corona activation treatment on the corrugated cardboard production line, achieving a surface dyn value of 46-48 dyn / cm. Then, a moisture-proofing agent is directly applied to the activated surface within 1-5 seconds, followed by drying at 40-60℃. The moisture-proofing agent comprises 15-20 parts methyl silicone oil, 10-20 parts oxidized polyethylene wax, 1-5 parts rosin, 1-3 parts stearic acid, 5-12 parts acrylic resin, 0.5-1.2 parts dehydroxanthan gum, 40-70 parts water, and optional nonionic surfactants. This invention replaces the chemical intermediary layer with physical activation, simplifying the process from three steps to two, reducing overall costs by more than 18%, and increasing the peel strength of the moisture-proof layer to more than 1.4 times that of traditional methods. Furthermore, the waterproofing performance does not decrease after 18 hours of high-temperature aging, significantly improving product durability.

To provide an airtight structure of a wall of a building capable of suppressing deterioration of airtightness in the wall of the building in which a device such as a receptacle box is arranged.SOLUTION: An airtight structure 5 of a wall of a building includes columns 6, 7, an inside wall panel 10, and a recessed structure 30. The inside wall panel 10 is arranged between the columns 6 and 7 in a front view. The inside wall panel 10 has an inside wall panel frame body 11 and a first moisture-proof sheet 41. The recessed part structural body 30 has a second moisture-proof sheet 44 arranged along the 30A of the recessed part. An end portion of the first moisture-proof sheet 41 is connected to an end portion of the second moisture-proof sheet 44.SELECTED DRAWING: Figure 5

A decorative plate used indoors comprises a composite plate body, the composite plate body sequentially comprises a supporting layer, a honeycomb heat preservation layer and a damp-proof layer from front to back, the supporting layer is made of bamboo fiber reinforced composite materials, the honeycomb heat preservation layer is of a regular hexagon honeycomb structure, a plurality of grooves are formed in one side of the supporting layer, and a plurality of inserting plates are correspondingly and fixedly arranged on the other side of the supporting layer. A plurality of mounting grooves are formed in the grooves respectively, inserting rods are elastically connected into the mounting grooves through springs respectively, the outer ends of the inserting rods are arc-shaped, a plurality of inserting holes corresponding to the inserting rods are formed in the inserting plate, and the inserting rods can be matched with the corresponding inserting holes in an inserted mode. The butt joint device is simple in structure and ingenious in conception, two adjacent composite board bodies can be connected together in a butt joint mode, installation can be carried out without the help of extra tools, working efficiency is improved, market requirements are met, and the butt joint device is suitable for popularization.

The utility model belongs to the technical field of moisture-proof paper tubes, and particularly relates to a high-heat-line moisture-proof paper tube which comprises a supporting paper tube, a wood pulp layer arranged on the peripheral side wall of the supporting paper tube, a fiber layer arranged on the peripheral side wall of the wood pulp layer, a first moisture-proof layer arranged on the peripheral side wall of the fiber layer, a waterproof layer arranged on the peripheral side wall of the first moisture-proof layer and a bamboo pulp layer arranged on the inner wall of the supporting paper tube. The inner wall of the bamboo pulp layer is provided with a second damp-proof layer, and the inner wall of the second damp-proof layer is provided with a wear-resistant layer. The paper tube made of the various materials in a matched mode has the advantages of being high in strength, good in damp-proof performance, high in tear resistance, good in wear resistance, good in glossiness and good in puncture resistance, and objects contained in the paper tube can be effectively protected.

This invention provides a butyl sealant for edge sealing and its preparation method, belonging to the technical field of photovoltaic module encapsulation materials. The butyl sealant provided by this invention, through optimized formulation design, significantly improves electrical insulation and flame retardant properties while maintaining the excellent moisture barrier properties of butyl rubber. It also exhibits good application performance, meeting the requirements of high-voltage systems above 2000 V and 6-8 mm narrow-bezel modules. Furthermore, the preparation method of this invention employs a segmented mixing process, selecting appropriate mixing temperatures and speeds based on the characteristics of different components. This ensures thorough dispersion of each component while preventing degradation of active components, guaranteeing the stability and consistency of product performance.

High-density polyethylene according to the present invention can improve both processability and excellent moisture barrier properties, without degradation of physical properties during film processing and without blending with low-density polyethylene or the like, through fine control of a melt flow index, a polydispersity index (PDI), and elongation viscosity, in addition to having a high density.

A cellulosic, fiber-based material having moisture barrier properties is shown and described herein. The cellulosic, fiber-based material, which may be referred to as a paper barrier material, is repulpable providing a material that exhibits moisture barrier properties to provide products with extended ambient shelf life and provides high yields during recycling processes. The material can be employed as a moisture barrier material suitable for use in packaging materials. Also shown and described are barrier materials and articles comprising the paper barrier material.

The utility model discloses a paperboard with double corrugated paper cores, which relates to the technical field of corrugated paperboards and comprises a first paper core and a second paper core, cavities are arranged in the first paper core and the second paper core, corrugated paperboards are filled in the cavities, hoses are adhered to the outer surfaces of the corrugated paperboards, air holes are arranged in the hoses, and the air holes are communicated with the first paper core and the second paper core. According to the paperboard, by arranging the butt joint grooves and the buffer columns bonded to the interiors of the butt joint grooves, the stability of connection of the first paper core and the second paper core can be improved, meanwhile, the buffer function of the double-paper-core board is increased, the air holes are formed in the hoses, and the elastic paper rolls are bonded to the interiors of the filling grooves, so that the air permeability of the paperboard is improved. The hardness of the first paper core and the second paper core is increased through the reinforcing layer, the moisture-proof layer is arranged, the space between the cavity and the hose is filled with the sponge block, moisture can be effectively absorbed, the paperboard is prevented from being eroded by the moisture for a long time, and the service life of the paperboard is prolonged.

The present invention discloses a low dielectric constant multifunctional electronic moisture-proof coating composition, and relates to the technical field of electronic materials and protective coatings, the composition comprises: a component A: 15-35% of a reaction type fluorine-silicon hybrid oligomer; the component B comprises 2%-8% of surface modified nanosheet barrier filler; the component C comprises 50%-75% of a green cosolvent system; the component D comprises 0.5%-3% of a multifunctional epoxy silane coupling agent; and the component E comprises 1%-5% of a photo-thermal dual-curing initiation system. The problems that in the prior art, the VOC emission of a fluorine-containing solvent is high, the compactness is insufficient due to filler sedimentation, and the water vapor permeability is high in a high-damp-heat environment are solved, through the quaternary synergistic effect, the low dielectric constant, high hydrophobicity, excellent moisture resistance and high adhesive force to various base materials are achieved, and the water-based paint is suitable for protection of high-frequency electronic devices.