1036 results about "Moisture barrier" patented technology

The invention discloses an ultraviolet barrier film as well as a preparation method and application thereof. The ultraviolet barrier film is prepared from the following raw materials in percentage by weight: 20-40% of polyvinyl alcohol; 20%-30% of sodium carboxymethyl cellulose; 5%-10% of carbon quantum dots; and 30%-45% of water chestnut starch. The preparation method of the ultraviolet barrier film comprises the following steps: 1) preparing a polyvinyl alcohol solution, a sodium carboxymethyl cellulose solution, a carbon quantum dot dispersion liquid and a water chestnut starch solution; 2) preparing gelatinized mixed slurry; and 3) carrying out film casting on the gelatinized mixed slurry, and drying to obtain the ultraviolet barrier film. The ultraviolet barrier film has the advantages of being excellent in ultraviolet barrier performance, good in moisture barrier performance, high in mechanical strength, high in transparency, environmentally friendly, degradable and the like, can be used as a packaging material, and is simple in preparation method, low in production cost and suitable for large-scale industrial production and application.

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 invention relates to a vapor barrier which is self-adhesive on both sides, comprising at least one moisture barrier layer, a carrier film, a first pressure-sensitive adhesive layer which is resistant to moisture, a second pressure-sensitive adhesive layer which is present on a side of the carrier film opposite the first pressure-sensitive adhesive layer, and a removable covering layer which has been applied to the second pressure-sensitive adhesive layer on a side of the self-adhesive vapor barrier facing the surroundings opposite the carrier film.

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 invention relates to the technical field of building construction methods, and particularly discloses a construction method for a light steel keel ardealite mortar spraying composite wall. 1, positioning and paying off, and installing light steel keels; 2, mounting a special spray-building net made of ardealite mortar on the light steel joist, 2, pre-burying water and electricity pipes, mounting a positioning frame at the position of a water and electricity wire box, filling the positioning frame with filler, and pressing and sealing the positioning frame; 4, a damp-proof layer is poured; 5, spraying and building a first wall body by using ardealite spraying and building mortar, and troweling the wall body, wherein the thickness of the wall body is 35-40mm; 6, dotting and screeding; 7, an anti-cracking net is hung, anti-cracking mortar is smeared on the anti-cracking net, and after the anti-cracking mortar is dried, light plastering mortar is sprayed on the two side faces of the wall correspondingly, so that the light plastering mortar is flush with the ribs; and 8, scraping and polishing the wall surface by using an instrument. The purpose of the invention is to solve the problem of position deviation of part of water and electricity wire boxes in the existing ardealite mortar spray-building wall construction, improve the flatness of the wall surface and reduce the thickness error of the wall body.

The utility model discloses a polyisocyanurate cold insulation pipeline and an on-site joint coating structure thereof. The cold insulation pipeline comprises a working pipe, an isolating layer, a sealing layer, a cold insulation structure layer and an outer protective layer, wherein the isolating layer, the sealing layer, the cold insulation structure layer and the outer protective layer are sequentially arranged on the outer wall of the working pipe in a sleeving mode from inside to outside. The cold insulation structure layer comprises a first cold insulation layer, a primary moisture-proof layer, a second cold insulation layer, a secondary moisture-proof layer, a third cold insulation layer and a main moisture-proof layer which are sequentially arranged from inside to outside; the field joint coating structure comprises a joint coating isolation layer, a polyisocyanurate pipe shell set, a joint coating main damp-proof layer and a joint coating outer protection layer which are sequentially arranged outside the joint coating position after the two cold insulation pipelines are in butt joint in a sleeving mode from inside to outside. The cold insulation layer of the cold insulation pipeline product is uniform and stable in structure and few in joints, the field joint coating structure is further optimized, the overall cold insulation effect of the pipeline is greatly improved, and the service life of the pipeline is greatly prolonged.

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 a double-layer film-covered moistureproof carton which comprises a paperboard body, the paperboard body comprises an outer isolation moistureproof layer, a paperboard layer and an inner isolation layer from top to bottom, the outer isolation moistureproof layer is a PE film, the surface of the PE film is provided with pits, moistureproof particles are arranged in the pits, and the paperboard body comprises a base plate, a first side plate, a second side plate, a third side plate and a fourth side plate. The first side plate, the second side plate, the third side plate and the fourth side plate are clockwise connected with the four edges of the base plate respectively, extending notches are formed in the surfaces of the second side plate and the fourth side plate, extending strips are formed on the two sides of the first side plate and the two sides of the third side plate, and the extending strips extend into the extending notches. The extension strips are connected with the inner walls of the second side plate and the fourth side plate or two adjacent extension strips are connected, the outer isolation damp-proof layer is formed by pressing and compounding a PE film and damp-proof particles, so that one surface of the PE film is provided with the damp-proof particles, and after the outer isolation damp-proof layer is compounded to the paperboard layer, the outer surface of the paperboard layer has a damp-proof function.

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.

Processes and kits-of-parts reshape keratin fibers and comprise applying a composition on to keratin fibers and cover the keratin fibers, wherein the composition comprise an alkalizing agent, a thickening polymer, and an organic solvent. Additionally, the keratin fibers are put under tension using a curler along with covering the curler with a moisture barrier, and heating the keratin fibers. As a result, long-lasting curl having cosmetic properties are achievable.

Processes and kits-of-parts reshape keratin fibers by applying a composition onto hair and covering the hair, wherein the composition comprises ammonia and one or more organic alkalizing agents. Additionally, the hair is put under tension using a curler with covering the curler with a moisture barrier, and heating the keratin fibers. As a result, long-lasting curl having cosmetic properties are achievable and an ammonia smell is reduced when directly compared to compositions having no organic alkalizing agent.

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.

Methods and apparatus for manufacturing a microwavable food container include: forming a wire mesh over a mold comprising a mirror image of the microwavable food container; immersing the wire mesh in a fiber-based slurry bath; drawing a vacuum across the wire mesh to cause fiber particles to accumulate at the wire mesh surface; and removing the wire mesh including the accumulated fiber particles from the slurry bath; wherein the slurry comprises one or more of a moisture barrier, an oil barrier, and a vapor barrier.

Damp-proof course (2, 2a, 2b) for sealing against penetrating moisture and water and / or rising vapor in buildings, comprising: a butyl or bitumen layer (4), and an adhesive coating (6) made of a hot melt adhesive bonded to the butyl or bitumen layer (4).

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 water prevention and moisture prevention of underground garages, in particular to a water-proof and moisture-proof pavement structure system and method for an underground garage. The system comprises a waterproof ground beam, a drainage ditch and a pavement structure, the pavement structure sequentially comprises a plain concrete layer, a flexible waterproof layer, a lower structure self-drainage layer, a water-resisting layer, an upper structure self-drainage layer, a flexible supporting layer, an anti-crack damp-proof layer and a terrace surface layer from bottom to top, and drainage detection systems are arranged in the upper structure self-drainage layer and the lower structure self-drainage layer respectively; the method comprises a first monitoring method for monitoring the damage of the flexible waterproof layer and a second monitoring method for monitoring the leakage of the anti-crack and damp-proof layer and the floor surface layer. According to the invention, continuous monitoring of damage of the flexible waterproof layer and leakage of the crack-resistant and moisture-proof layer and the floor surface layer can be realized, and workers can be assisted in timely judging the position of damage or leakage.

The invention relates to a panel (1) for the production of non-load-bearing walls for dry interior construction using a panel core (2) suitable for dry construction, wherein the panel core (2) is bonded on both sides to at least one moisture-resistant cover panel (3, 4) and has a groove (6) on at least one side extending between the cover panels (3, 4) and designed to form the underside (5) when installed, which is designed to receive a web (7) of a floor profile (8). At least one of the cover panels (3, 4), preferably both cover panels (3, 4), are made of metal, preferably aluminum, or an aluminum alloy, in particular aluminum-manganese alloys.

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).

The invention discloses a chip solid electrolyte tantalum capacitor capable of ensuring moisture resistance and a preparation method thereof, and belongs to the field of capacitor preparation. The tantalum capacitor comprises a tantalum anode, a dielectric layer, a solid electrolyte layer, a graphite silver paste layer, a hydrophobic moisture-proof layer, an epoxy resin shell, a lead frame, a positive lead and a negative lead. Wherein the tantalum anode is sequentially coated with the dielectric layer, the solid electrolyte layer and the graphite silver paste layer from inside to outside; the graphite silver paste layer is adhered to the lead frame through a conductive adhesive to lead out an anode lead and a cathode lead; the graphite silver paste layer is coated with a hydrophobic moisture-proof layer; and the hydrophobic moisture-proof layer is coated and packaged with an epoxy resin shell. According to the tantalum capacitor, the graphite silver paste layer is coated with the specific hydrophobic moisture-proof layer, so that the moisture-proof performance of the chip-type solid electrolyte tantalum capacitor is effectively improved on the premise that the preparation process difficulty, cost and finished product volume are not increased, and the chip-type solid electrolyte tantalum capacitor is suitable for being used in a high-temperature and high-humidity environment; and the product performance is ensured.

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 single use beverage pod for use in producing a beverage comprises: a body defining a cavity; a beverage medium contained within the cavity; and a protective barrier coupled to the body and at least partially sealing the beverage medium from a surrounding environment to provide at least one of an oxygen barrier and a moisture barrier, the protective barrier having a dissolvable region that is configured to dissolve during production of the beverage to provide a passageway through the protective barrier. The oxygen barrier and / or moisture barrier provided by the protective barrier can reduce the need for, and / or complexity of, packaging for the beverage pod. The dissolvable region dissolves during production of the beverage, allowing the beverage pod to be used with conventional brewing machines without modification thereof.

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.