70 results about "Coated paper" patented technology

The utility model relates to double adhesive paper production technical field, concretely for a kind of coating machine for double adhesive paper production, including base, coating machine body and double adhesive paper body, coating machine body is fixedly connected in the upper surface of base, the upper surface of base is fixedly connected with symmetrical fixed block, the upper surface of fixed block is fixedly connected with support frame, the inner wall of support frame is fixedly connected with electric push rod.Compared with prior art, the patent is set by electric push rod, lifting plate, fixed plate and dust suction component, the cleaning pad on lifting plate is contacted to double adhesive paper body by electric push rod driving lifting plate to move, then the dust on double adhesive paper body is cleaned by moving double adhesive paper body, dust is sucked into dust collection box inside by dust suction head and dust collector, improve the cleaning effect of double adhesive paper body, the movement of lifting plate can be controlled in millimeter level by using electric push rod, different thickness double adhesive paper body can be cleaned, and the technical problem that double adhesive paper body is not damaged.

The application relates to the field of vacuum aluminum-plated paper processing and specifically discloses a dry-wet compounding process for vacuum aluminum-plated paper. The dry-wet compounding process for vacuum aluminum-plated paper comprises the following preparation steps: S1, coating a bottom adhesive on a film, and heat setting one side of the bottom adhesive close to the film; S2, compounding the heat-set bottom adhesive with base paper, curing the bottom adhesive, and forming a bottom coating layer on the surface of the base paper; S3, vacuum aluminum plating on the side of the bottom coating layer away from the base paper to form a vacuum aluminum-plated layer; and S4, coating a surface adhesive on the side of the vacuum aluminum-plated layer away from the bottom coating layer, curing to form a surface coating layer, and obtaining vacuum aluminum-plated composite paper. The dry-wet compounding process can improve the amount of the bottom adhesive without causing overflow of the bottom adhesive, improve the folding resistance of the obtained vacuum aluminum-plated paper, and solve the color explosion problem.

The application provides a self-adhesive marking tape and a preparation method thereof, and steps of the method comprise the following steps: S1, performing corona discharge pretreatment on a paper base material in a roll shape to make a surface tension coefficient greater than or equal to 38; S2, preparing a water-based adhesive, wherein the water-based adhesive comprises ethylene-vinyl acetate copolymer, polyvinyl alcohol and deionized water; and S3, coating the water-based adhesive on one side of the pretreated paper base material by using a gravure coating method, and drying the coated paper base material through an oven to obtain a semi-finished product with a glue curing layer. By using the water-based adhesive containing ethylene-vinyl acetate copolymer and polyvinyl alcohol, performing corona pretreatment on the paper base material in the adhesive and using a segmented gradient drying process, the self-adhesive strength and use reliability of the self-adhesive marking tape are significantly improved on the basis of keeping zero residue and high cleanliness.

The present application relates to solid waste resource utilization and carbon capture and utilization technical field, disclose a kind of using steelmaking waste gas to reduce the carbon sequestration treatment method of free calcium oxide of steel slag, comprising: steel slag, desulfurization gypsum, papermaking caustic white mud, waste building gypsum board powder and blast furnace water quenching slag are proportioned according to mass ratio, with mine acid wastewater to regulate alkaline slurry, into steelmaking waste gas and carry out wet carbonization disposal;During carbonization disposal, caustic white mud superfine particle is used as heterogeneous nucleation seed to accelerate f-CaO carbonization, three-way cascade supply guarantees uniform formation of ettringite, and mineral powder C-S-H gel is coated paper fiber and is converted into reinforcing phase;Carbonization product is obtained by pressure filtration dewatering and low-temperature drying.The present application realizes permanent mineralization and immobilization of steelmaking waste gas and efficient and complete digestion of f-CaO of steel slag, and multiple types of industrial solid waste and mine acid wastewater are disposed simultaneously, and the product can be used for mine filling and roadbed stabilizing material.

A method of producing a coated paperboard or a linerboard is provided. The method comprises the steps of: - providing a paperboard or a linerboard substrate; - coating the paperboard or the linerboard substrate with a coating composition comprising a binder and a pigment to obtain a coated paperboard or a coated linerboard having a coated surface; - infrared (IR) drying the coated paperboard or the coated linerboard to obtain a pre-dried coated paperboard or a pre-dried coated linerboard, wherein the temperature of the coated surface reaches a maximum of 62-68 °C in the IR drying step; and - air drying the pre-dried coated paperboard or the pre-dried coated linerboard to obtain a dried coated paperboard or a dried coated linerboard.

This application provides a packaging paper and its preparation method. The packaging paper includes a base paper layer, a first base coating layer, and a functional layer stacked sequentially. The base paper layer contains hardwood pulp and nanocellulose, with the hardwood pulp comprising 50-100% of the content. The nanocellulose has a diameter of 3-100 nanometers, an aspect ratio of 5-100, and a crystallinity greater than or equal to 56%. The first base coating layer includes fillers and binders. The packaging paper provided in this application, through optimized paper and coating formulations and structural design, prepares a high-barrier, re-pulpable coated paper, which has advantages such as environmental friendliness and low cost.

The utility model relates to paper glue manufacturing technical field, concretely is a kind of glue melting barrel of double-ply paper, including support, glue melting barrel and barrel base, glue melting barrel is set in the inside of support, the bottom surface of glue melting barrel is fixedly connected with the slot, the upper surface of barrel base is fixedly connected with the insert ring, the insert ring is inserted with the slot, the outer wall of glue melting barrel and barrel base is fixedly connected with first fixed block and second fixed block respectively. Compared with prior art, the utility model is through the setting slot, insert ring, first fixed block, second fixed block, limit rod and limit slot, through the slot and the insert ring insertion, the sealing of glue melting barrel and barrel base is carried out, so that horizontal block is inserted into horizontal groove inside, and limit rod is inserted into limit slot inside, realize the fixation of glue melting barrel and barrel base, by pressing push rod, so that push rod pushes limit rod into movable slot inside, it can be disassembled, avoid the trouble of screwing multiple fixing rings to disassemble, so that the disassembly and installation of glue melting barrel and barrel base are more convenient technical problem.

1. Name of the product in this design: UV varnishing machine (FY-VJET750). 2. Application of this design: This design is used to spray-print enhancement varnish onto coated paper and various types of cardstock that have already been printed. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the field of artificial board hot pressing and pasting, disclose a kind of high -efficient hot pressing and pasting equipment of adhesive film paper veneer artificial board, including machine table, the upper side of the machine table is provided with conveyer, the upper side outer wall of the machine table is fixedly connected with support, the left side outer wall of the support is fixedly connected with fixed plate, the upper side of the fixed plate is rotatably connected with gear, the left side outer wall of the support is fixedly connected with support rod.The utility model in the present application, by being provided with push plate and tooth plate etc., when artificial board passes below fixed plate, the movement of push plate is driven to the direction of artificial board by the operation of electric push rod, the movement of push plate drives tooth plate to move left by connecting block, the movement of tooth plate drives the rotation of gear to make the tooth plate of other side move, the push plate of other side is synchronously moved to artificial board by the connecting block of other side, so that artificial board is centered, and subsequent hot pressing and pasting operation is facilitated, and the quality of finished product is improved.

The utility model relates to precoat paper production technology field, disclose a kind of high-speed mechanism for precoat paper shaping, including base, the top of the base is fixedly connected with portal frame, the inside of the portal frame is fixedly connected with clamping mechanism, the clamping mechanism includes cylinder, the outside of the cylinder is fixedly connected with U block, the inside of the U block is rotatably connected with pivot one, the outside of the pivot one is fixedly connected with connecting rod, the outside of the connecting rod is rotatably connected with connecting block, the outside of the connecting block is fixedly connected with slide plate. In the utility model, U block is moved by pivot one to push connecting rod, connecting rod is driven to slide on slide rod by connecting block to slide plate, slide plate is moved by connecting rod to push bar, reach to push bar to middle, realize the effect of precoat paper clamping, prevent precoat paper from deviating in high-speed transmission.

The utility model discloses a kind of for the production of moisture-proof laminated paper and is used laminating machine, including unwinding frame, the fixed assembly is set on the unwinding frame upper end, the fixed assembly inside is provided with unwinding roller, unwinding roller outside is equipped with raw paper, the adjusting assembly is set on the one side of unwinding frame, the adjusting assembly includes spacing frame, the spacing frame upper is provided with driving motor, and spacing frame inside both sides are provided with spacing clamping plate, the both sides of raw paper are set on two spacing clamping plates, the adjusting assembly one side is provided with extruder, the winding frame is set on the one side of extruder, the driving motor is fixedly installed on the protection frame and the protection frame is fixedly installed on the upper end of spacing frame, the driving motor output end is connected with first synchronous wheel and first synchronous wheel outer wall is engaged with synchronous belt, can realize the pre-tightening adjustment of raw paper tension and be suitable for different specifications unwinding roller placement.

The present invention relates to the use of a paper substrate (11) in a high-quality, barrier-coated paper substrate (10) for providing good toughness, flexibility and oxygen barrier properties to a laminated packaging material and to packaging containers comprising the laminated packaging material. The barrier-coated paper substrate may also provide heat sealing capability to a laminated packaging material comprising it. The barrier-coated paper substrate (10; 23), is suitable in packaging of oxygen-sensitive food products.

This utility model relates to the field of coated paper production technology, specifically a high-efficiency coated paper production coating device. It includes a coating box, a second power mechanism, a clamping mechanism, two nozzles, two scrapers, and two heating nozzles. Both nozzles are installed inside the coating box. Both scrapers are slidably installed inside the coating box. A first power mechanism is installed on the coating box to drive the two scrapers closer together or further apart. The two heating nozzles are symmetrically arranged inside the coating box and are fixedly connected to the two scrapers respectively. The clamping mechanism includes a base plate, a clamping plate located above the base plate, and a second electric push rod installed on the base plate to drive the clamping plate to rise and fall. The second power mechanism is installed on the coating box to drive the base plate to move. This technical solution optimizes the paper conveying method, thereby significantly increasing the spraying range and reducing spray dead zones, thus improving paper utilization efficiency.

The present disclosure is directed to a coated paper. The coated paper includes a cellulose layer and at least two coatings on one side of the paper. The first coating applied to the paper is a barrier coating that can be made from a plant or animal derived component, which is preferably water-soluble or water-dispersible, and more preferably water-soluble. The second coating, on the other hand, can be a heat-sealable coating. The coated paper is particularly well suited to constructing packages.

This invention discloses a high-performance non-polar adhesive material and its preparation method. The adhesive material is prepared by first preparing an interfacial bridger containing lauryl methacrylate, butyl acrylate, methyl methacrylate, methacrylic acid, and hydroxyethyl methacrylate, and then reacting it with a nano-calcium carbonate modified polyacrylate emulsion, C9 petroleum resin emulsion, emulsified silicone oil, potassium zirconium carbonate, nano-active zinc oxide, LK water-resistant agent, Kathon, and water through a specific process. The interfacial bridger possesses both a non-polar long-chain alkyl structure and polar active groups, which can improve the wetting and interfacial adsorption capacity of non-polar substrates such as polyethylene and polypropylene, and enhance the synergistic effect with the main emulsion and cross-linking system. The adhesive material has advantages such as fast initial tack, high bond strength, good cold water resistance, and excellent system stability, and is suitable for bonding polyethylene or polypropylene to paper, glass, and coated paper.

This invention discloses a waterproof and oil-resistant acrylic emulsion, its preparation method, and its application. The raw materials for the emulsion include monomers, crosslinking agents, initiators, emulsifiers, molecular weight regulators, preservatives, defoamers, neutralizing agents, and pure water. The monomers include methyl methacrylate, polyethylene glycol diacrylate, butyl methacrylate, tert-butyl methacrylate, butyl acrylate, isooctyl acrylate, diacetone acrylamide, and methacrylic acid. This waterproof and oil-resistant acrylic emulsion, as a water-based barrier coating, can be applied to various packaging papers to form a coating similar to a PE film. This coating exhibits outstanding waterproof and oil-resistant barrier properties, excellent anti-tack and folding endurance, and the coated paper can be recycled, replacing PE-coated paper which is difficult to recycle. Furthermore, this waterproof and oil-resistant acrylic emulsion meets food-grade requirements and can be used in food packaging paper.

This utility model relates to the field of coating machine technology, and more particularly to a coating machine for producing moisture-proof coated paper, comprising: a workbench; a coating machine body, fixedly installed on the top of the workbench, with a coating head body provided at one end of the coating machine body; a mounting shell, slidably disposed on the surface of the coating machine body and corresponding to the coating head body; and a scraper, disposed on the surface of the mounting shell, for extending into the interior of the coating head body to scrape and clean it. This utility model, through the cooperation of a hot air blower and a high-temperature resistant telescopic hose, can heat and soften residual molten material on the coating head body. Compared with the prior art that relies solely on scraping with a scraper, it can more easily remove residues, effectively avoiding the problem of residues hardening and becoming difficult to clean, and significantly improving cleaning efficiency.

The utility model discloses a kind of knife dies for eliminating filmless paper die cutting scrap edge, comprising: die holder, the die holder is opened with multiple forming areas, the forming area is provided with ring cutter, the inside of the ring cutter is provided with and the first elastic member matched with ring knife cutting shape, outside is provided with second elastic member, the first elastic member and second elastic member are used to pop out blanking after ring cutter cutting. By dividing the blade angle into two sections, the knife die life is ensured, and the blade position is avoided to squeeze the material, the edge of the part is improved, the die cutting knife edge is not uneven, the sufficient blade height ensures the vertical pressure during cutting, and sufficient buffer is provided for the paper to avoid wrinkles.

This invention discloses a method for preparing a negative electrode plate for a parking air conditioner battery, belonging to the field of lead-acid battery technology. This invention uses a combination of indium hydroxide and polyaniline as a hydrogen evolution inhibitor to suppress hydrogen evolution. Indium hydroxide differs from conventional indium oxide and indium sulfate; indium sulfate is insoluble in water, while indium hydroxide reacts with sulfuric acid, resulting in more free In during the reaction. 3+ The presence of ions allows for better adsorption on the carbon material surface, increasing the hydrogen evolution overpotential and suppressing hydrogen evolution. Furthermore, this invention uses conductive fiber composite coated paper, embedding conductive fibers into the electrode surface. This forms a conductive network on the electrode surface, improving its conductivity, reducing irreversible sulfation, and enhancing the bonding force between active materials.

The present invention provides an aqueous pigment dispersion that does not result in a decrease in print quality due to white streaks or color unevenness when printed on coated paper, and that has good abrasion resistance, as well as an aqueous ink containing the aqueous pigment dispersion. [Solution] An aqueous pigment dispersion comprising a pigment and a polymer dispersant, wherein the polymer dispersant contains a polymer comprising one or more constituent units (A) selected from the group consisting of hydrocarbon compounds having vinyl groups and alkyl (meth)acrylates, a constituent unit (B) derived from a sulfonic acid having a polymerizable unsaturated group, and a constituent unit (C) derived from a carboxylic acid having a polymerizable unsaturated group, and at least a portion of the carboxyl groups of the polymer are crosslinked by a crosslinking agent.

To provide a novel thermal insulation foam and a barrier coating paper used for forming the thermal insulation foam. [Solution] The invention comprises a resin foam having closed cells and a barrier coated paper provided on at least one surface of the resin foam, wherein the barrier coated paper comprises a paper substrate and a gas barrier coating layer containing a polyvinyl alcohol-based resin, and the barrier coated paper has a nitrogen permeability of 10 cm 3 / m 2 The humidity is 24hr·atm or less, and the paper substrate has a tensile strength of 4.9kN / m or more in the MD direction and a basis weight of 150g / m². 2 The following is a gas barrier coating layer in contact with a heat insulating foam, and a barrier coating paper provided on the heat insulating foam.

The application discloses a mixing device for high-strength laminated paper manufacturing and belongs to the laminated paper processing field. The mixing device comprises a mixing cylinder, a mixing cavity is formed in the mixing cylinder, a stirring assembly is arranged at the top of the mixing cavity of the mixing cylinder, the stirring assembly comprises a transmission disc rotatably embedded and arranged at the top of the mixing cylinder, a first stirring frame is fixed to the bottom of the transmission disc, a transmission ring is rotatably embedded and arranged at the top of the mixing cylinder, a second stirring frame is protrudingly arranged at the bottom of the transmission ring, a reduction gear box is arranged at the center of the top of the mixing cylinder, and a transmission gear is arranged in the transmission cavity. The application has the beneficial effect of providing a mixing device for high-strength laminated paper manufacturing. The liquid is stirred in different directions at different times, so that the laminar flow state can be avoided for as long as possible in subsequent work, the turbulent shear effect is insufficient, and the formula components cannot break through the molecular diffusion limit and other conditions.

The utility model discloses a kind of high-efficiency drying equipment for coated paper, comprising: bearing plate, the both ends of bearing plate top are uniformly fixedly connected with support frame, the top of two support frames is respectively equipped with winding assembly and unwinding assembly;Heat preservation box, heat preservation box is fixedly connected in the middle of bearing plate top, the side of heat preservation box is fixedly connected with assembly box, the both ends in assembly box inside are uniformly slidably connected with displacement seat, the one end of two displacement seats is uniformly fixedly connected with drying pipe, the outside of drying pipe is rotatably connected with temperature guide ring;Drying assembly, drying assembly is assembled in the top of assembly box, for cooperating drying pipe to dry coated paper, the utility model relates to coated paper drying equipment technical field;The utility model is through the structural cooperation of drying pipe, temperature guide ring and drying assembly, can be directly contacted by heat and effectively exported by wind power, realize the efficient drying of coated paper bottom surface and top surface, guarantee the drying effect of coated paper.

This invention provides a doctor blade coating mechanism. The mechanism includes a doctor blade structure, which comprises a doctor blade, a channel section, and a coating section. The channel section has multiple parallel flow channel holes. One end of each flow channel hole is connected to the end face of the channel section opposite to the coating section, and the other end is connected to the coating section. A pair of baffles are fixedly connected to the coating section, and all flow channel holes are located between the two baffles. In this design, the coating material transitions to the coating section after passing through the flow channel holes. The flow channel holes are arranged in the width direction, which makes the coating flow rate at each position relatively more uniform, reduces the degree of flow rate difference, and ultimately makes the subsequent coating of the coated paper more uniform to a certain extent. This solves the problem in the prior art that the coating flow rate difference in the width direction is prone to be large, which adversely affects the quality of the subsequent coated paper.

The application relates to the technical field of paper tube external inspection equipment, in particular to a high-strength waterproof coated paper tube external inspection machine, which comprises a machine body, a conveying belt arranged in the machine body, a plurality of placing seats arranged on the conveying belt, a fixing frame fixedly connected in the machine body, a conical paper tube positioning mechanism arranged on the fixing frame, a driving mechanism rotatably connected on the fixing frame, a paper tube inner wall detection mechanism arranged on the driving mechanism, and a gas injection seat fixedly connected on the fixing frame. The conical paper tube positioning mechanism can accurately constrain conical paper tubes of different sizes in the middle of the placing seat after the conical paper tubes are placed on the placing seat, the conical paper tubes are prevented from being offset to cause uneven spacing between the detection equipment and the surface of the conical paper tubes and deviation of the light source irradiation angle, the missed detection and the false detection caused by the position deviation are eliminated from the positioning end, and the detection precision is ensured.

This utility model discloses a production dryer, including: a support base; and a second fixed bracket, which is set on top of the support base. The beneficial effects of this utility model are: by setting up an air distribution box, a filter screen, and an air inlet pipe, the air inlet pipe is connected to the output end of an external fan. Air enters the air distribution box through the air inlet pipe, and impurities in the airflow are filtered by the filter screen inside the air distribution box. Then, the air enters the fixed air box through the air distribution box, and is heated by the various electric heating wires inside the fixed air box to complete the hot air drying work. By setting up a tightening bolt and a fixed side block, the distance between the two limit slip rings can be adjusted after the limit slip ring slides and adjusts on the outside of the guide roller, thereby completing the limit of conveying flame-retardant coated paper of different widths. The position of the fixed side block and the limit slip ring is restricted by tightening the limit slip groove with the tightening bolt.

The present application provides a kind of aqueous inkjet ink, even if the printing substrate such as coated paper is difficult to absorb, can obtain the printout without the color mixing bleeding and white leakage caused by droplet aggregation, the droplet dot true circle is excellent, further, printing density and color reproduction are also good, and the stability of jetting is also good.Aqueous inkjet ink, containing: crosslinked polymer particles (A) containing pigment and surfactant (B), crosslinked polymer particles (A) include the crosslinking reaction of compound (A-1) with multiple functional groups reacting with carboxyl and / or carboxylate and non-crosslinked polymer (A-2), surfactant (B) contains polyoxyethylene alkyl ether compound (B-1) with a specific structure and non-ionic surfactant (B-2) with HLB value of 1-10, and the ratio of the content of compound (B-1) to the content of non-ionic surfactant (B-2) is specified.

The present invention relates to the use of a paper substrate (11) in a high-quality, barrier-coated paper substrate (10) for providing good toughness, flexibility and oxygen barrier properties to a laminated packaging material and to packaging containers comprising the laminated packaging material. The barrier-coated paper substrate may also provide heat sealing capability to a laminated packaging material comprising it. The barrier-coated paper substrate (10; 23), is suitable in packaging of oxygen-sensitive food products.

This invention relates to the field of waste composite packaging material recycling technology, and discloses an efficient separation and recycling process for hollow board-coated paper composite packaging, including the following steps: S1, low-temperature stress pretreatment: after crushing the PP hollow board-coated paper composite waste into fragments, it is subjected to freezing treatment; S2, intercalation and infiltration treatment: the material treated in step S1 is contacted with an intercalation treatment solution for immersion treatment; S3, ultrasonic treatment: the material treated in step S2, together with the immersion solution, is subjected to ultrasonic treatment to obtain polypropylene material and coated paper residue; S4, sorting and post-treatment: the polypropylene material and coated paper residue obtained in step S3 are sorted, and the sorted polypropylene material is washed and dried to obtain recycled polypropylene material. This process, through the synergistic effect of low-temperature cracking, intercalation loosening, and ultrasonic peeling, efficiently removes the kaolin coating, improving the purity and recovery rate of the recycled polypropylene material.