124results about How to "Guaranteed barrier properties" patented technology

The invention discloses a reconstruction method of a reclaimed soil profile in a coal mining subsidence area. The method comprises steps as follows: soil profile levels are divided according to an actual subsidence condition and governance goals of a reclamation area in combination of the difficulty level of actual operation; stacked natural soil is stripped layer by layer according to the divided soil profile levels; layered filling materials are designed according to an engineering to fill the subsided land, and compaction is performed; the filling layer is covered with a pollution blocking layer; soil layers stripped layer by layer are back filled according to the original soil sequence, and the reconstructed soil profile is formed through land leveling. On one hand, the pollution blocking layer is added on the basis of a conventional method, so that toxic and harmful elements carried by the filling materials are blocked; on the other hand, the thickness of a soil covering layer and the matching problem of the character of the soil covering layer and the filling layer are considered respectively according to application of reclamation land and the water content of the soil covering layer, all effective root systems of crops can grow on a soil layer, the water storage requirements are met, and the irrigation procedure is saved while an excellent growth environment is provided for the crops.

The invention discloses an organic light-emitting diode device. The light-emitting diode device comprises a substrate; an OLED unit disposed on the substrate; and a packaging structure, which is connected with the substrate, and is used for packaging the OLED unit. The packaging structure comprises a first inorganic barrier layer disposed on the outer side of the OLED unit in a wrapped manner, an inorganic nanometer-organic copolymer mixing layer disposed on the outer side of the first inorganic barrier layer in a wrapped manner, and a second inorganic barrier layer disposed on the outer side of the inorganic nanometer-organic copolymer mixing layer in a wrapped manner. The organic light-emitting diode device has advantages of good water oxygen barrier performance, thin thickness, and strong interface bonding force. The invention also provides the production method of the organic light-emitting diode device.

The invention relates to a three-layer composite water-absorption pad non-woven fabric and a production method. According to the three-layer composite water-absorption pad non-woven fabric, polypropylene spunbond cloth and pulp composite cloth are taken as base materials and coated with a low-density polypropylene film. By taking a polypropylene spunbond cloth layer as a support layer, a product has very strong power, one side of the composited product has excellent water absorption property, and the other side of the composited product has anti-sliding and waterproof effects. Pulp fibers have super-hygroscopicity, the non-woven fabric is endowed with the super-hygroscopicity through spunlacing, and one side of the polypropylene spunbond cloth of the spunlaced product is coated with the film, so that the integral adhesiveness of the composite product is guaranteed, and the hygroscopicity and barrier property of the composite product are guaranteed. By utilizing a cross-pattern embossing roller, each layer of the product is well laminated, and meanwhile, the product has good skid resistance and wear resistance and a novel pattern appearance. The polypropylene spunbond cloth and the polyethylene film can be prepared into colored products, so that the composite product is integrally colorful and can meet various requirements of customers.

The invention provides a flexible organic light-emitting diode (OLED) display panel. The flexible OLED display panel comprises a flexible substrate, an OLED device and a thin film encapsulation layer,wherein the OLED device is arranged on the substrate, the thin film encapsulation layer is arranged on a surface of the OLED device and at least comprises two thin film encapsulation units independent to each other, the at least two thin film encapsulation units cover a surface, deviating from the flexible substrate, of the OLED device in a mode of one-dimensional array or two-dimensional array,and a gap is formed between edges of adjacent two thin film encapsulation units. By the flexible OLED display panel, the technical problem that the flexible OLED display panel of the prior part is easy to crack during bending by encapsulation of the whole thin film encapsulation layer to cause that water and oxygen enter the device through cracks to further cause failure of the OLED device is solved.

The invention relates to the technical field of polymer materials, in particular to a high-barrier PET material and a preparation method thereof. The high-barrier PET material is prepared from components in percentage by weight as follows: 65%-80% of PET resin, 5%-20% of PEN resin, 5%-15% of HDPE resin, 0.1%-5% of modified barrier filler, 0.1%-5% of nano inorganic filler, 0.3%-1% of an antioxidant, 1%-2% of a dispersant and 2%-6% of a compatilizer. The preparation method comprises the following steps: (1) raw material preparation; (2) mixing; (3) melt extrusion and granulation. The prepared high-barrier PET material gives consideration to balance of barrier property and mechanical property while having better oxygen blocking capacity and gas barrier property, the preparation process is simple and applicable to practical use, and large-scale production is easy.

The invention discloses a graphene oxide / cobalt-based composite plating as well as a preparation method and application thereof. The preparation method comprises the following steps: soaking cobalt, nickel or a cobalt-nickel alloy serving as a positive electrode and a workpiece to be plated serving as a negative electrode in a composite electroplating solution for ultrasonic oscillation; performing electro-deposition on the workpiece to be plated by adopting pulse current to obtain the graphene oxide / cobalt-based composite plating, wherein the composite electroplating solution is prepared from30 to 200 g / L of cobalt salt, 30 to 200 g / L of nickel salt, 5 to 80 g / L of phosphate, 10 to 60 g / L of boric acid, 10 to 50 g / L of a complexing agent, and 0.1 to 5 g / L of graphene oxide and the balance of deionized water. The preparation method is simple, efficient and environmentally friendly. The composite plating has the advantages of high hardness, superior wear resistance and corrosion resistance, and can be widely applied to various mechanical parts which have high requirements on hardness, wear resistance, low friction coefficient and high corrosion resistance as a functional protectionlayer.

The present application relates to a porous multilayer composite membrane, The porosity of at least one membrane layer in the porous multilayer composite membrane is significantly different from the porosity of other membrane layers, in particular to a PP / PE / PP porous multilayer composite membrane, wherein the porosity of the PP layer in the PP / PE / PP porous multilayer composite membrane is significantly greater than the porosity of the PE layer. The present application also relates to a method of preparing the porous multilayer composite membrane, in particular to the PP / PE / PP porous multilayer composite membrane, comprising an extrusion casting step, a stretching step and a composite shaping step. The porous multilayer composite membrane of the present invention has good ionic conductivity because each layer of the membrane has significantly different porosity, and the corresponding battery prepared has low self-discharge performance. Moreover, the porosity, pore size retention, uniformity and consistency of the porous multilayer composite membrane are good by using micro-melting heat-bonding and heat-setting method without using binder.

The invention discloses an organic light-emitting diode device. The device comprises a substrate, an OLED unit disposed on the substrate, and a packaging structure which is connected with the substrate and is used for packaging the OLED unit. The packaging structure comprises a water and oxygen absorbing layer disposed on the surface of the OLED unit, an inorganic nano-organic copolymer mixed layer disposed on the surface of the water and oxygen absorbing layer in a coated manner, and an inorganic blocking layer which is deposited on the surface of the inorganic nano-organic copolymer mixed layer. The device provided by the invention is excellent in water and oxygen blocking capability, is small in thickness, and is strong in interface bonding force. The invention also provides a preparation method for the device.

The invention provides functional lining body paper for cigarettes and a preparation method of the functional lining body paper. The body paper is of a double-layer structure, one layer is a lining paper body paper base layer, and the other layer is a functional coating. The preparation method comprises the following steps: performing pulping treatment on a fiber raw material; adding a wet strength agent, a sizing agent, a defoaming agent, a retention aid and a reinforcing agent into the pulp after the pulping treatment is finished, performing uniform mixing, and applying the pulp to a mesh for treatment; performing squeezing dehydration treatment on the pulp subjected to treatment by the mesh to obtain the body paper base layer; coating the surface of the body paper base layer by a functional coating; and sequentially drying, coiling and slitting the coated body paper base layer to obtain the body paper. According to the invention, the surface of the body paper base layer of the lining paper for cigarettes is coated by the functional coating, so that the lining paper for cigarettes has high-barrier, moisture-preserving and moisture-preserving functions, and compared with conventional printing lining paper and pre-coated lining paper, the body paper of the lining paper for cigarettes has a lower water vapor transmission rate and a water absorption rate and higher wet strength.

The invention discloses a modified graphene oxide / cobalt-based composite coating and a preparation method and application thereof. The composite coating is prepared by taking cobalt, graphite or platinum mesh as an anode and a workpiece to be plated as a cathode, immersing the anode and the cathode in a composite plating solution, performing ultrasonic vibration, and performing electrodeposition on the workpiece to be plated by using pulse current, specifically, the composite plating solution per liter comprises, by volume, 30-200 g of cobalt salt, 5-80 g of phosphate, 10-60 g of boric acid, 10-50 g of a complexing agent, 0.1-1 g of surfactant, 0.1-0.5 g of modified graphene oxide, and the balance deionized water. The problems that graphene oxide has poor dispersibility and is prone to agglomeration in the composite electroplating solution are effectively solved, graphene oxide is uniformly and firmly combined in the composite coating along with electrodeposition of metal ions, and theprepared modified graphene oxide / cobalt-based composite coating has excellent lubrication and wear resistance.

The invention discloses a human body respiratory protection method and device. The human body respiratory protection method includes the steps that a respiratory bag cavity is formed between a transparent mask a human face, and air which is subjected to sterilization treatment by a filtration and sterilization device or an electronic sterilization device is introduced into the respiratory bag cavity, so that the air pressure in the respiratory bag cavity is higher than the air pressure outside the respiratory bag cavity. The air in the respiratory bag cavity flows out from gaps between the edge of the transparent mask and the face to form isolated air flow, the isolated air flow is used for preventing the air outside the respiratory bag cavity from entering the respiratory bag cavity. According to the human body respiratory protection method and device, the air in the respiratory bag cavity is blown out from the peripheral gaps between the transparent mask and the human face, the outside air can be prevented from entering the respiratory bag cavity, and thus it is ensured that the air that people breathes in is free of viruses and harmful bacteria, and the purpose of preventing cross infection is achieved. And the air flow in the respiratory bag cavity is always flowing, an exhaled dreggy gas can be quickly exhausted, the feeling that the mask hinders breathing and the pressureof wearing the mask on the face and ears do not exist, and the use comfort is good.

The invention relates to a biodegradable composite film used for fresh keeping package of edible mushrooms and a preparation method thereof. The preparation method includes steps of: 1) soaking a polylactic acid thin film, as a base film, in a polyethyleneimine solution for amination, water-washing and drying the film, acidifying the film in diluted hydrochloric acid, and water-washing and dryingthe film to produce a modified base film; 2) soaking the modified base film in a chitosan solution and water-washing and drying the modified base film to prepare a first composite film; 3) preparing afilm coating solution by dissolving sodium alginate, calcium chloride and cinnamic acid in water; 4) uniformly coating one side of the first composite film with the film coating solution and drying the film coating solution to form a coating layer. The biodegradable composite film is used for fresh keeping package of edible mushrooms and can delay the respiratory effect and after-ripening effectof the edible mushrooms, thus reducing browning and weight loss rate of the edible mushrooms and effectively keeping the edible mushrooms fresh. The composite film can prolong the storage life and normal temperature shelf life of the edible mushrooms and is suitable for being promoted.

The embodiment of the invention provides a flexible OLED display panel and a manufacturing method thereof. The flexible OLED display panel is stronger in water proof and oxygen proof capability, thinin thickness and is strong in scratch resistance capability. The flexible OLED display panel includes an array substrate and a package substrate. The array substrate includes a substrate, an OLED element disposed on each sub-pixel on the substrate and a packaging film covering the OLED element. The package substrate is a tempered glass substrate, wherein the substrate material comprises inorganicmaterials and / or metal materials having the capability of blocking water and oxygen, and the etching rate the inorganic materials or the metal materials by a glass etching solution is smaller than the etching rate of the glass. The invention is applicable to a flexible, foldable and revoluble flexible display apparatus.

The invention discloses a protective film for an STP building exterior wall thermal-insulation fire-retardant material. The protective film comprises an aluminum-coated glass-fiber gridding cloth layer, an aluminum layer, a polyester (PET) layer, a two-way stretch nylon layer, an aluminum layer, a two-way stretch nylon layer and a compound polyethylene layer which are respectively arranged from outside to inside. Compared with the prior art, the protective film for the STP building exterior wall thermal-insulation fire-retardant material comprises the following characteristics that a flexible packaging material is good in smoothness effect and excellent in barrier effect and ageing resistance. The protective film disclosed by the invention is packaged outside a panel, and thus, not only is a protection function performed but also the barrier effect is performed on cement and adhesives, and the barrier effect is performed on temperature and noise.

The invention relates to outdoor tent fabric with an efficient, uvioresistant and heat-insulating coating. After a base blank is subjected to desizing, dyeing and shaping, the mode of repeated coating for two times is used, wherein the coating finishing step comprises the sub-steps as follows: 1, base coating: selecting two-liquid polyurethane resin and adding amino-modified small-particle-size inorganic oxide hollow microspheres for compounding; and 2, surface coating: selecting PU color glue to be compounded with modified large-particle-size inorganic oxide hollow microspheres. Inorganic oxide hollow microspheres / polyurethane coatings with gradient particle sizes are selected, infrared rays and ultraviolet rays in sunlight are blocked and reflected through two times of coating processes, penetration of light rays is effectively blocked, and the inorganic oxide hollow microspheres are modified through an amino silane coupling agent, so that the inorganic oxide hollow microspheres have better compatibility and dispersity in polyurethane, chemically bonded inorganic oxide hollow microspheres / polyurethane coatings are formed, and uniform and firm adhesion of the coating to fabric is better facilitated.

The invention relates to a water isolation type coal mine refuge chamber transition chamber and a method for entering the chamber to solve the problem of harmful gas isolation in the chamber entering process of an existing underground coal mine refuge chamber. The structure of the transition chamber comprises a chamber surrounding wall (1), a transition chamber outside door wall (2), a transition chamber middle wall (3), a transition chamber inside door wall (4), a transition chamber outside safety door (5), a water storage basin (6), a transition chamber inside safety door (7), a midfeather air-tight door (8) and a midfeather observation window (9). When entering into the chamber, a miner takes off thick and heavy outerwear, opens the refuge chamber outside safety door (5), dives into the transition chamber water storage basin (6), passes through a lower channel of a middle separation board, and then opens the inside safety door (7) to enter into a personnel survival chamber.

The invention discloses a slurry overflow prevention clamping slot type cylindrical formwork plate and a construction method and belongs to the technical field of building cylindrical formwork plates.The slurry overflow prevention clamping slot type cylindrical formwork plate at least comprises two circular arc formwork plate bodies, first connecting parts are fixedly connected to the two ends ofthe two circular arc formwork plate bodies, first connecting holes are formed in the first connecting parts, reinforcing rib plates and connecting steel plates are fixedly connected to the outer walls of the two circular arc formwork plate bodies, second connecting parts are fixedly connected to the two ends of one circular arc formwork plate body, second connecting holes, positioning grooves andflow blocking grooves are formed in the two second connecting parts, third connecting parts are fixedly connected to the two ends of one circular arc formwork plate body, third connecting holes, positioning parts and flow blocking parts are arranged on the two third connecting parts, fourth connecting parts are connected in the third connecting holes and the corresponding second connecting holesin a matched mode, the positioning parts are matched with the positioning grooves, the flow blocking parts are matched with the flow blocking grooves, slurry overflowing and leaking at joints of cylindrical formwork plates can be effectively prevented in concrete construction, and meanwhile the perpendicularity of concrete and the construction quality can be ensured.

The invention relates to a river-side coal mine old goaf water disaster inspection and treatment integrated treatment method. The method comprises the following steps that a waterproof curtain inspection and treatment exploration line is arranged between an earth surface river and a mine area boundary, and the waterproof curtain inspection and treatment exploration line passes through an underground goaf in a to-be-treated mine area; in the exploration drilling construction process on the waterproof curtain inspection and treatment exploration line, grouting plugging is conducted on the interior of an exploration drilling hole of an exposed goaf, a curtain wall grouting section is formed, and the curtain wall grouting section and a solid stratum section jointly form a waterproof curtain wall. By constructing the curtain wall, supply of surface rivers to the old goaf is effectively isolated, the threat of shallow water to mine mining is relieved, the construction period is short, the cost is low, and the blocking effect is good.

The invention belongs to the technical field of high-molecular polymer preparation and specifically relates to a nontransparent polymer resin and an application thereof in a serum separation gel. In a heptane solvent system, styrene, acrylics and a silane coupling agent are taken as monomers, dimethyl azo diisobutyrate is taken as an initiator for initiating the polymerization for the polymer resin and then the polymer resin is taken as a raw material for preparing an end product of the serum separation gel. The serum separation gel prepared according to the invention is less in dosage of inorganic white carbon black powder, excellent in thixotropic property, high in stability of storage and contact between the product and the blood and excellent in irradiation resistance.

The invention relates to a medicinal symmetrical cold-forming aluminum-casting plate. The medicinal symmetrical cold-forming aluminum-casting plate is of a layered structure and composed of an aluminum base layer, novel functional adhesive resin (AD) closely attached on the outer side and the inner side of the aluminum base layer, an outer layer and an inner layer, wherein the outer layer sequentially comprises a polyamide (PA) layer, novel functional adhesive resin (AD) and a homo-polypropylene (PP) layer, and the inner layer comprises a PA layer, novel functional adhesive resin (AD) and a homo-polypropylene layer; the relatively thick aluminum base layer has good ductility and good mechanical property and also has good barrier property; the PA layers can well protect the aluminum base layer, can uniformly stretch especially during molding and can ensure the molding depth; the homo-polypropylene (PP) layers can ensure the barrier property and prevent the PA protective layers from being scratched; the inner layer is made of a PP material, has good stability and drug resistance, has good low-temperature heat-sealing property and high heat-seal strength; and the whole structure material is symmetrical, has uniform stress and is free from edge warping phenomenon after pit scouring.

The invention provides a surface corrosion-resistant lithium battery flexible package film. The surface corrosion-resistant lithium battery flexible package film is characterized by comprising a fluoroplastic layer, an aluminum foil barrier layer and a polypropylene heat sealing layer. The fluoroplastic layer is arranged on the outer side of the aluminum foil barrier layer. The polypropylene heat sealing layer is arranged on the inner side of the aluminum foil barrier layer. The surface corrosion-resistant lithium battery flexible package film has good heat resistance and chemical corrosion resistance, prevents electrolyte from corroding and damaging the surface layer of an aluminum plastic film and the aluminum foil barrier layer of the aluminum plastic film and has high barrier performance, the barrier performance of the composite film is guaranteed, and a lithium battery with the flexible package film is safer.

The invention provides a preparing method of flexible OLED display screen thin film. By adopting an acrylic acid type resin monomer as an organic film raw material, acrylic acid and a derivative monomer are evaporated on a plastic substrate, and are polymerized into film through a curing method, the surface condition of the plastic substrate is improved to make the surface smooth, and through a radio frequency magnetron sputtering method, then an inorganic medium dense film layer is prepared on an organic film to be adopted as a barrier to obstruct water and oxygen. According to the preparing method of the flexible OLED display screen thin film, the technical defects are overcome that in a technology that an existing flexible display device is encapsulated, the protective layer is prone to fractures when adopted to fold the flexible display device, thus the ability to obstruct water and oxygen is lowered by a large margin, and the display effect is influenced. The prepared thin film can effectively obstruct water and oxygen from invading into the display screen, the material is prevented from aging, and the service life of an OLED device is prolonged.

The invention relates to a polyamide / polypropylene composite medical packaging film. The packaging film adopts polyamide as the outer layer to keep heat resistance and puncture resistance, reduce moisture absorption rate, guarantee barrier property and fit for high-temperature high-moisture environments; a heat seal layer adopts metallocene polyethylene (mLLDPE) and ethylene-methyl acrylate (EMA) blend modified resin to guarantee good heat sealing between the film and a non-adhesive breathable paper; the polyamide crystallization speed and polyethylene crystallization speed have larger difference, and in the production technology, the heat seal layer (polyethylene) is put at the utmost outer layer, the polypropylene layer is put in the inner layer, so that the coiling of the film surface is solved and the flat heat sealing with the non-adhesive breathable paper is guaranteed; the film is coextruded and blown by using a bottom blowing water cooling method to guarantee that the transparency of the film surface is not less than that of the dry composite film; and meanwhile, the dew point height, the blow-up ratio and the traction ratio are strictly controlled during production so that optimal formability of the film in the longitudinal and transverse directions is guaranteed. Compared with the prior art, the packaging film has good comprehensive performance and high market competition strength, and is material-saving and competitive in markets.

The invention discloses a hot melt adhesive for polyolefin, which is prepared from, by weight, 100 parts of polypropylene random copolymer, 1-20 parts of halogenated butyl rubber, 0.05-15 parts of modified montmorillonite, 0.05-15 parts of polyethylene glycol, and 0.01-5 parts of an antioxidant. The softening point of the hot melt adhesive is 125-140 DEG C. The softening point of the polypropylene random copolymer is 125-140 DEG C. The halogenated butyl rubber is one or two of chlorinated butyl rubber or brominated butyl rubber. The modified montmorillonite is prepared through intercalation modification to montmorillonite raw ore with polyethylene glycol. The preparation method of the hot melt adhesive includes the steps of 1) melt-blending the modified montmorillonite with the polypropylene random copolymer, halogenated butyl rubber, polyethylene glycol and antioxidant; and 2) discharging the material and shearing the material into granules to obtain a product of the hot melt adhesive. The hot melt adhesive is used for adhesion of a polyolefin thin film and a polyolefin catheter, especially, for adhesion of medical polypropylene materials.

The invention discloses a steel fireproof door for an inflammable storage warehouse, and relates to the technical field of fireproof doors. The steel fireproof door aims at solving the locking problem. The steel fireproof door specifically comprises a door frame, door leaves, a connecting mechanism used for connecting the door frame with the door leaves, closing mechanisms used for ensuring that the door leaves are normally closed and an automatic locking mechanism used for locking the door leaves when a fire occurs, wherein the automatic locking mechanism comprises clamping blocks arranged inone of the door leaves and clamping grooves formed in the other door leaf and matched with the clamping blocks; and containing grooves are formed in the inner walls of the door leaves, and containingcylinders are fixedly arranged on the inner walls of the containing grooves. According to the steel fireproof door for the inflammable storage warehouse, by arranging the automatic locking mechanism,if the fire occurs, liquid inside the containing cylinders is heated and evaporated, therefore the internal pressure intensity of the containing cylinders is sharply increased, locking pistons push piston connecting rods to stretch out, and then the clamping blocks stretch out and are inserted into the clamping grooves, so that it is guaranteed that the two door leaves are mutually locked, and the blocking effect is safely and reliably achieved.

The invention relates to packaging paper in the tobacco industry, in particular to lined paper for packaging cigarettes. The lined paper comprises raw paper and a blocking layer. The raw paper and the blocking layer are composited by the coating of an adhesive. The blocking layer is formed by, by mass percentage, 10-20% of polycaprolactone, 5-15% of polyhydroxyalkanoate, 5-10% of polyvinyl alcohol, 0.3-0.8% of emulsifying wax, 1-8% of montmorillonite, 1-8% of zinc stearate, and the balance water. The adhesive comprises, by mass percentage, 10-25% of methyl acrylate, 10-25% of methyl methacrylate, 1-8% of methacrylic acid, 1-8% of methyl acetate, 1-8% of methyl tin mercaptide, 1-5% of bentonite, 1-3% of flexibilizer, and the balance water. The blocking layer guarantees blocking performance of the lined paper for the cigarettes on the conditions that metallic materials such as aluminum foil are not used, and the requirements for damp prevention and fragrance retention of the packaging paper for the cigarettes can be met.

The invention relates to a curtain grouting method for a large-space large-dip-angle goaf. The curtain grouting method comprises the following steps: an inspection and treatment exploratory line of a waterproof curtain is arranged between a surface river and a mining area boundary; feeding drill holes are densely constructed around the exploring drill holes of the exposed goaf on the two sides of the exploratory line of the waterproof curtain; and cement-water glass double slurry is poured into the underground goaf through the exploring drill holes of the exposed goaf, and coarse aggregate quick-setting concrete is poured into the underground goaf through the feeding drill holes. The curtain wall is constructed between the surface river and the mining area boundary to effectively isolate the supply of the surface river to the old goaf, and effective treatment of the large-space goaf and the coal and rock layer mining area with the large dip angle is achieved.

The invention relates to the technical field of degradable packaging bags, in particular to a fully-degradable high-barrier co-extrusion bag and a preparation method thereof. The fully-degradable high-barrier co-extrusion bag comprises a bag body, wherein the bag body is formed by hot-pressing and edge-sealing of two co-extrusion films, wherein each co-extrusion film comprises a PLA surface layer, a first degradable bonding layer, a barrier layer, a second degradable bonding layer and a PLA sealing layer which are arranged in sequence, and the barrier layer is a PVOH modified EVOH material layer. The co-extrusion films can be fully degraded, white pollution caused by discarding of the produced co-extrusion bag is avoided, the barrier property and puncture strength of the co-extrusion films can be guaranteed, and use requirements in the art are met.

The invention relates to a high-barrier paper-plastic composite packaging film which comprises an aluminizing casting polypropylene film layer, wherein the aluminizing casting polypropylene film layer is compounded on a paper layer; the aluminizing casting polypropylene film layer comprises a corona layer, a middle layer and a thermal sealing layer which are compounded together; the surface of the corona layer is plated with an aluminum layer; the layer thickness ratio of the corona layer, the middle layer and the thermal sealing layer is (2.8-3.2):(20.5-21.5):(5.7-6.3); the corona layer comprises a cycloalkene copolymer; the middle layer comprises homo-polypropylene with a nucleating agent; the thermal sealing layer comprises a ternary polymerization co-polypropylene material I and a ternary polymerization co-polypropylene material II in a mass ratio of (0.9-1.1):(0.9-1.1). The high-barrier paper-plastic composite packaging film provided by the invention has high barrier performance, is capable of successfully solving the problem that the barrier property is degraded after a paper-plastic composite packaging film passes through packaging equipment, and is stable in barrier property and applicable to various filling packaging modes.