694 results about "Moisture barrier" patented technology

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

A washable and reusable absorbent undergarment including an absorbent assembly, the absorbent undergarment having an extension in the longitudinal direction and in the transversal direction, the absorbent assembly including a wearer facing top layer of a knitted material, a wicking layer beneath said top layer, a moisture barrier and at least one absorbent layer located between the wicking layer and the moisture barrier, wherein the top layer has openings therein, and wherein each opening spans 1-10 stitches and there are 5-60 openings / cm2.

A piezoelectric element includes: a first electrode provided above a substrate; a piezoelectric layer provided above the first electrode; a second electrode provided above the piezoelectric layer; and a moisture-resistant layer covering at least a part of the piezoelectric layer, and when secondary ion mass spectrometry is performed on the piezoelectric layer, a hydrogen concentration calculated based on an integrated intensity in a range of 50 nm or more and 300 nm or less from a surface of the piezoelectric layer is 1.50×1015 atom / cm2 or less.

The present disclosure is directed to oral tablet of ribociclib including its salt(s). One embodiment of the present disclosure is directed to tablet of ribociclib with high drug load with an immediate release profile. One embodiment of the present disclosure is directed to coated tablet of ribociclib. Another embodiment of the present disclosure is directed to coated tablet of ribociclib where the coating is an aqueous moisture barrier coating (e.g., Opadry® amb II coating where the coating is PVA based).

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 utility model relates to the technical field of packaging paperboards, in particular to a waterproof and moistureproof environment-friendly packaging paperboard which comprises a base material layer, a waterproof layer and a moistureproof layer, the waterproof layer is arranged on the outer side of the base material layer and made of a mixture of nano silicon dioxide and natural wax, and the moistureproof layer is arranged on the outer side of the waterproof layer and made of a mixture of nano silicon dioxide and natural wax. The waterproof layer is made of a composite material of modified starch and cellulose derivatives, the waterproof layer and the moisture-proof layer are connected through a nano-microporous structure, the nano-microporous structure is filled with a moisture absorbent, a groove is formed in the surface of the base material layer, the groove is filled with reinforced fibers, and a biodegradable film is further arranged between the waterproof layer and the base material layer. The waterproof and moistureproof environment-friendly packaging paperboard not only has excellent waterproof and moistureproof performance, but also meets the environment-friendly requirement, the production process is safe and harmless, meanwhile, the paperboard retains good air permeability and printing adaptability, and is suitable for various packaging requirements.

The utility model relates to the technical field of cables, in particular to a water-blocking and moisture-proof power cable, which comprises a wear-resistant layer, a supporting layer arranged in the wear-resistant layer, a water-absorbing expansion layer arranged in the supporting layer, a water-blocking layer arranged in the water-absorbing expansion layer, a flame-retardant layer arranged in the water-blocking layer, and a moisture-proof layer arranged in the flame-retardant layer. A damp-proof layer is arranged in the flame-retardant layer, a filling layer is arranged in the damp-proof layer, and a plurality of insulating layers are arranged in the filling layer. Compared with the prior art, the cable has the advantages that the surface of the cable is prevented from cracking due to abrasion through the wear-resistant layer, the cable is supported by the supporting layer, the surface of the cable is prevented from cracking due to bending, and the water swelling layer, the waterproof layer, the moisture-proof layer and the filling layer are arranged in a matched manner, so that the service life of the cable is prolonged. Multiple waterproof and moisture-proof operations are performed on the cable core, so that the influence of moisture and moisture on the cable core is greatly avoided, and the service life of the cable core is ensured.

The invention discloses a high-barrier water-based paint for flexible packaging, and a preparation method and application thereof. The high-barrier water-based paint comprises two types of polyurethane resin, wherein one type of polyurethane resin is polyolefin type polyurethane which is a polyurethane dispersion formed by polymerizing polyolefin polyol and polyisocyanate; and the other one is hydroxyl-containing crystalline polyurethane which is a medium-high hydroxyl / high-crystalline polyurethane dispersion formed by polymerizing polyester polyol and polyisocyanate. The high-barrier water-based paint disclosed by the invention has excellent oxygen barrier property, moisture barrier property, adhesive force, flexibility, wettability, chemical resistance, steaming and boiling resistance and the like, and can be used for high-barrier flexible packaging of base materials such as paper and films.

A coextruded multi-layer biodegradable composite film was primed either in-line or off-line to form moisture-resistant anchoring structure for EVOH / PHOH barrier coating using primer coating including waterborne polyethyleneimine dispersions and waterborne polyester dispersions. The primed bioplastic composite film was then coated with EVOH / PVOH solution barrier coating. The coated composite film was then metallized through a process of vapor deposition of Aluminum metal in a metallizer chamber. The metallized films made with a process of off-line priming have O2TR in the range of 1.9 to 4.5 cc / m2 / day, and MVTR in the range of 0.1 to 0.4 g / m2 / day; The metallized films made with a process of in-line priming have O2TR in the range of 0.63 to 1.04 cc / m2 / day, and MVTR in the range of 0.027 to 0.075 g / m2 / day.

The invention relates to the technical field of building walls, in particular to a building wall damp-proof heat preservation structure which comprises a heat preservation base plate, a composite damp-proof layer, a ventilation interlayer, a vertical flow guide groove, a sealing connecting assembly, an elastic sealing ring, a waterproof clamping groove, a reflection heat insulation layer, a fireproof isolation layer and a leveling cavity. The composite damp-proof layer is tightly attached to the outer side of the heat preservation base plate and is formed by alternately stacking 3-5 layers of polyethylene hydrophobic films with nano-silicon dioxide coatings and microporous ePTFE breathable films according to the thickness ratio of 1: 2, dynamic balance of external prevention and internal permeation is formed, rainwater invasion is blocked, and dew formation and mildew caused by moisture accumulation in a wall are avoided. Furthermore, the change of the sectional area of the vertical flow guide groove of the outer ventilation interlayer generates a Venturi effect, and the technical effect of accelerating discharge of moisture in the wall body can be achieved, so that the phenomenon that the wall body falls off due to the fact that the wall body is in a high-humidity state for a long time is avoided.

The invention concerns a fibre reinforced polymer composite sheet (20), comprising impregnated fibres in a matrix (14), said matrix (14) comprising a polymeric material as main component, characterised in that it further comprises flake-like elements (12) which are fluid-impermeable, in at least one of the two surface layers, forming a moisture barrier surface layer (22). The invention concerns also a multilayer composite material with said fibre reinforced polymer composite sheet (20), a composite product with said multilayer composite material and the manufacturing method of said fibre reinforced polymer composite sheet (20). This moisture barrier surface layer (22) significantly reduces moisture uptake in said fibre reinforced polymer composite sheet (20), enabling protection under harsh humidity and temperature conditions.

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 utility model relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering pipeline device. Comprising a mounting assembly, a connecting assembly, a protection assembly and an engineering pipeline, the mounting assembly comprises a mounting ring seat and a bolt, the connecting assembly comprises a first connecting seat, a second sealing layer and a second connecting seat, the protection assembly comprises a wear-resistant layer, the inner ring of the first connecting seat is connected with a protection pipe, and the inner ring of the wear-resistant layer is provided with a compression-resistant layer. A supporting layer is arranged on the inner ring, away from the wear-resistant layer, of the compression-resistant layer, and a damp-proof layer is arranged on the inner ring, away from the compression-resistant layer, of the supporting layer. The supporting layer is arranged and used for supporting the compressive layer and the damp-proof layer at the same time, and the damp-proof layer has the characteristics of resistance to polar solutions and chemicals and low water absorption rate and is used for damp-proof protection of the engineering pipeline, so that the influence of damp of the use environment on the engineering pipeline is reduced, and the service life of the engineering pipeline is prolonged. And the use of the engineering pipeline in a humid environment is ensured.

The invention relates to the technical field of conductive coatings, and discloses a weather-resistant bio-based conductive coating based on water-based palm wax / shellac and a preparation method thereof, the weather-resistant bio-based conductive coating comprises the following raw materials by mass: 20-30 parts of a natural palm wax nano emulsion, 70-80 parts of a shellac ethanol solution, 1-3 parts of Tween 80, and 30-80 parts of a silver coated copper powder / carbon nanofiber composite material. According to the scheme, the super-hydrophobic barrier is constructed by introducing the water-based palm wax, the moisture absorption rate is reduced, electrochemical corrosion and stress stripping are effectively reduced, and the service life of a base material is prolonged. Meanwhile, lac is added in the scheme, a three-dimensional network structure is formed through crosslinking of the water-based palm wax emulsion and biomass hydroxyl, and the flexibility and moisture resistance of the coating are effectively improved. Specifically, according to the scheme, the water-based palm wax and the shellac are combined and used, so that the weather resistance of the coating is effectively improved, for example, the moisture absorption rate of the coating is reduced to 12% (ASTMD570 standard), and the flexibility of the coating is improved (the elongation at break gt; 50%), the moisture resistance is improved by 3 times (the water vapor permeability lt; 10 g / m < 2 >. Day).

Aspects of the present disclosure include a rigid paperboard product comprising at least one modified starch and at least one crosslinker, wherein the at least one modified starch is present in an amount ranging from 2% to 20% by weight of the paperboard product, wherein the at least one crosslinker is present in an amount ranging from 0.5% to 8% by weight based on the dry weight of the starch content in the paperboard product, and wherein the paperboard product has a rigidity value ranging from 375 to 500.

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 invention provides an oral soluble film packaging composite film and a preparation method thereof. The oral soluble film packaging composite film adopts a three-layer composite structure, wherein a surface layer is stretched polyolefin (BOPP / MDOPE / MOPE); the barrier layer is an aluminized BOPP film material, and the surface of the barrier layer is coated with EVOH / PVDC or a raw material containing EVOH / PVDC; the heat sealing layer is composed of at least two of PE / PB / EVA, and 1-5% of calcium oxide / calcium carbonate drying agent can be added. The preparation method comprises the steps of melt stretching, aluminizing barrier treatment and a multi-layer composite curing process, has excellent oxygen-barrier and moisture-proof performance, and is suitable for packaging of high-humidity sensitive products such as oral soluble films.

The utility model discloses a continuous fiber reinforced polyvinyl chloride (PVC) wood-plastic fireproof composite wood floor, which belongs to the technical field of composite floors and is characterized by comprising a composite floor, the composite floor comprises a base layer, a fireproof layer is arranged at the top of the base layer, and a first damp-proof layer is arranged at the top of the fireproof layer. A first damp-proof layer is arranged at the bottom of the base layer, a second damp-proof layer is arranged at the bottom of the base layer, and protective layers are arranged on the opposite sides of the first damp-proof layer and the second damp-proof layer. By arranging the fireproof layers, flame spreading can be effectively prevented when a fire disaster occurs, release of toxic smoke is reduced, and compared with an existing PVC wood-plastic composite floor, the fireproof performance is remarkably improved; the PVC wood-plastic composite floor is simple in structure and convenient to use, life safety and property safety of personnel can be better protected, the structural strength of the floor can be remarkably improved by arranging the reinforcing layer, and compared with an existing PVC wood-plastic composite floor, the PVC wood-plastic composite floor can bear larger pressure and impact force and effectively prevent the situation that the floor sinks, deforms and even breaks in the using process.

The invention discloses a moisture-proof and anti-static carton production method, and relates to the technical field of paper packaging materials, the method comprises the following steps: preparing a difunctional intelligent response type ionic liquid of 1-hydroxyethyl-3-methylimidazole cation [HEIM] and dicyandiamide / bis (trifluoromethanesulfonyl) imide mixed anion [DCA] / [TFSI]; respectively compounding the ionic liquid with chitosan and alginate to prepare a biological carrier compound; a functional paperboard containing a nano-pore network is constructed through paper pulp addition and surface coating; the electrostatic self-repairing structure is formed through gradient drying and three-section temperature control circulation treatment, environment self-adaptive adjustment is achieved through an intelligent response mechanism of the ionic liquid, and a multi-stage protection structure with a surface damp-proof layer, a middle-layer conductive network and an internal stable layer is formed; the device has the technical effects of dual-function synergistic interaction, intelligent humidity response, electrostatic self-repairing, selective molecular barrier and the like.

The invention discloses a heat-insulation moisture-proof thermoelectric device and a preparation method thereof, and relates to the technical field of thermoelectric materials, the thermoelectric device comprises a p-type Bi2Te3 galvanic couple arm and an n-type Bi2Te3 galvanic couple arm which are provided with moisture-proof layers on the surfaces and are connected with electrodes; the cellulose-based aerogel layer is filled between the adjacent galvanic couple arms; the porosity of the cellulose-based aerogel layer is 96%-99.5%, and the surface contact angle is larger than or equal to 150 degrees; the heat reflecting film covers the non-heat-conduction surface of the galvanic couple arm, and the reflectivity of the heat reflecting film at the wave band of 400-3000 nm is greater than or equal to 92%; the moisture-proof layer is made of a zinc-based zeolite imidazate framework material, the thickness of the moisture-proof layer is 50-200 nm, the porosity of the moisture-proof layer is 5%-10%, and the pore diameter is smaller than or equal to 0.34 nm. The preparation method of the heat-insulating and moisture-proof thermoelectric device comprises the following steps: S1, carrying out moisture-proof treatment on the galvanic couple arms; s2, filling the cellulose aerogel; s3, packaging a heat reflecting film; and S4, coating the conductive bonding layer. According to the invention, low-resistance, high-strength and moisture-proof connection between the galvanic couple arms and the electrodes is realized.

The invention relates to the field of packaging materials, in particular to an NTR super-strong barrier composite material and a preparation method thereof. The NTR super-strong barrier composite material at least comprises the following raw materials in parts by mass: 80-110 parts of polymer matrix resin, 15-25 parts of an auxiliary polymer, 10-20 parts of a nanoscale barrier filler, 3-8 parts of a compatilizer, 0.5-1 part of an antioxidant and 1-3 parts of a lubricant. The NTR barrier composite material finally prepared by the invention can effectively overcome the defects, has superstrong gas and moisture barrier properties, excellent mechanical properties, multifunctionality, stability and the like, and meets the application requirements of high-end packaging markets on integration, multifunctionality and high performance of the packaging materials.

The utility model discloses a damp-proof environment-friendly packaging bag which comprises a bag body and a handle. The bag body is provided with a containing cavity with an upward opening, and the handle is arranged at the top of the bag body; the bag body comprises an inner tensile layer, a damp-proof layer, an anti-puncture layer and an outer tensile layer, and the damp-proof layer is attached and fixed to the outer side face of the inner tensile layer; the bag body is designed to comprise the inner stretch-resistant layer, the damp-proof layer, the anti-puncture layer and the outer stretch-resistant layer, so that the product has good stretch-resistant, damp-proof and anti-puncture characteristics, the service life of the product is effectively prolonged, meanwhile, the inner film layer is attached and fixed to the inner wall of the containing cavity in a matched mode, the containing cavity is formed between the inner film layer and the inner stretch-resistant layer, and the bag body can be conveniently stored and taken out. The drying agent is arranged in the containing cavity, so that the drying agent and the product are combined into a whole and cannot be separated, the drying agent cannot be mixed with food, a user is effectively prevented from eating the food by mistake, potential safety hazards are eradicated, and convenience is brought to use.

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 invention discloses a construction method for an ultra-large-area pile bearing terrace of a whole vehicle plant. Comprising the following steps of pile group construction modeling analysis, stress release measures, pipe pile construction, pile head treatment, pile core grouting construction, base layer treatment and cushion layer construction, PE damp-proof layer construction, pile cap construction, special structure junction construction, terrace steel bar binding, armored seam installation, concrete pouring and tamping, elevation and flatness control, wear-resistant carborundum ground construction and flatness rechecking. According to the method, pile groups are adopted to effectively support the terrace, the influence caused by differential settlement of the terrace in the later period is avoided, the concrete mixing proportion is optimized, the abrasion resistance and crack resistance of the terrace are enhanced, detail nodes are optimized for the positions prone to cracking and the joints of the terrace and special structures, and the construction efficiency is improved. And through the methods of alternate bin pouring, short-distance stress release, reasonable construction organization and the like, the anti-cracking requirement of the standard on the large-area terrace is met, and the construction period is greatly shortened.

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.

The utility model discloses a film assembly with a moisture-proof function, which relates to the technical field of laminated film assemblies for glass surfaces, and comprises a film layer and a moisture-proof layer, a first bonding layer is arranged above the moisture-proof layer, a second bonding layer is arranged below the moisture-proof layer, and the film layer is bonded on the moisture-proof layer through the first bonding layer; the damp-proof layer is specially arranged on the thin film layer, is made of a non-porous plastic material and can prevent water from entering the CTA layer; this function simplifies installation as it alleviates the common problems associated with moisture absorption, such as curl or adhesion failure; the moisture-proof layer and the bonding layers arranged above and below the moisture-proof layer enable the assembly to achieve effective adhesive force and durability, and the shape of the thin film layer is kept in the installation process. The device is especially suitable for scenes requiring simple and convenient installation, repeated use and environmental factor resistance, and meanwhile, the functional advantages of polarized light transmission and privacy display are kept.

The utility model relates to the technical field of metal wires, in particular to a moistureproof prestressed steel strand which comprises an inner steel wire, a plurality of outer steel wires and a moistureproof assembly, and the moistureproof assembly comprises an adsorption breathable layer, an activated carbon filling layer, a moistureproof layer, an inner adsorption layer, an outer wrapping structure and two end waterproof pieces. The two end waterproof pieces prevent water vapor from entering the interior through the two ends to rust the inner steel wire and the multiple outer steel wires, the outer wrapping structure is used for increasing the abrasion resistance in the using process, the inner adsorption layer adsorbs the water vapor entering the outer wrapping structure, and the damp-proof layer is matched with the activated carbon filling layer to keep the interior of the prestressed steel strand dry. And the adsorption ventilation layer is used for adsorbing water vapor generated by weather reasons inside, so that the problem that the water vapor is easily attached to the steel wire to cause corrosion of the steel wire when the steel wire is used in an environment with relatively high humidity because the steel wire is directly exposed to the outside and does not have a moisture-proof function is solved.

This lid is used for an outer package of a power storage device. The lid comprises: a lid body; a through-hole that penetrates the lid body; an insulation member including an in-hole disposition part disposed inside the through-hole, and an out-of-hole disposition part connected to the in-hole disposition part and disposed outside the through-hole; and a barrier member that covers at least a portion of the out-of-hole disposition part of the insulation member. The barrier member has a moisture barrier property and / or gas barrier property higher than that of the insulating member.

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.