93 results about "Paper based" patented technology

The application discloses a liner paper fixed-point cutting control method and device and electronic equipment. The method comprises the following steps: when a printing instruction is detected, acquiring parameter information of current cigarette production, and identifying a printing pattern on the liner paper; determining a display center of the printing pattern based on image density of each judgment area in the printing pattern; determining a current cutting distance of the liner paper based on the display center and the parameter information, and controlling a cutting object to perform a cutting action based on the current cutting distance. The application can identify the printing image on the liner paper, and determine the current cutting distance at which the cutting object starts to perform the cutting action by determining the display center of the printing pattern, so that no matter what kind of pattern is, the part of the printing pattern on the liner paper which needs to be mainly displayed is in the central part of the cigarette package after packaging according to the cutting trace, and the automatic production demand of the special cigarette is met.

The application discloses a preparation method of a VP@UiO-66-NH2 / Ag NPs composite SERS chip and application thereof in A beta protein detection, and is characterized by comprising the following steps: synthesizing a VP-graphite paper base by a chemical vapor transport method on a surface of a graphite paper to obtain a VP-graphite paper base; synthesizing a UiO-66-NH2 layer on the surface of the VP-graphite paper base by a solvothermal method to obtain a VP@UiO-66-NH2 composite base; and finally, placing the composite base in an ion sputtering instrument, uniformly sputtering silver nanoparticles on the surface of the composite base, taking out the composite base, and obtaining the VP@UiO-66-NH2 / Ag NPs composite SERS chip, wherein the VP@UiO-66-NH2 / Ag NPs composite SERS chip has the advantages of high sensitivity, good stability and uniformity, controllable preparation process, low cost, application in Alzheimer's disease biomarker detection, high specificity in identification and quantitative analysis of A beta 40 and A beta 42 proteins, fast response and good stability.

This invention discloses a method, apparatus, equipment, medium, and product for correcting the deviation of tipping paper in a cigarette manufacturing machine, relating to the field of cigarette manufacturing technology. The method includes: determining a first offset information detector for the tipping paper based on the machine's operating data; determining reference contour data for the tipping paper based on the machine's tipping paper baseline and dimensional information; and determining the tipping paper tray to be adjusted and its displacement data based on the offset threshold, the reference contour data, and the measured contour data of the tipping paper; and adjusting the position of the tipping paper tray based on its displacement data to reduce the offset of the tipping paper. This invention adjusts the position of the tipping paper tray based on its offset, thereby changing the paper output range of the tray and correcting the deviation of the tipping paper, thus ensuring cigarette production quality while reducing production costs.

The application discloses a kind of composite super-hydrophobic paper based on alkyl ketene dimer and metal polyphenol network and preparation method thereof, belong to functional paper-based material field.The method is first immersed in 0.25%~5% alkyl ketene dimer emulsion in cellulose paper, is dried at 90~110 DEG C and is cured 48-96h to prepare modified paper;Then, the pH is 8.0-9.0 of tris-hydroxymethyl aminomethane hydrochloride buffer solution, hydrochloric acid dopamine is dissolved in the buffer solution to form dopamine solution, and the concentration is 0.25~20mg / mL of metal ion solution;Finally, the modified paper is immersed in dopamine solution and metal ion solution in turn, and is dried to obtain composite super-hydrophobic paper.The obtained composite super-hydrophobic paper uses cellulose paper-based material as substrate, and hydrophobic layer and metal polyphenol network layer are formed on the surface in turn, the composite paper has super-hydrophobic performance, water barrier performance and photo-thermal response performance, the preparation process is simple, and is suitable for waterproof packaging, self-cleaning surface, anti-icing and deicing and photo-thermal antibacterial and other fields.

We provide decorative sheets that reproduce the texture of genuine materials while offering superior durability. Furthermore, we offer high-quality decorative materials incorporating such decorative sheets. [Solution] A decorative sheet comprising a paper base layer, a pattern layer provided on one surface of the base layer, a partial pattern layer provided on the surface of the pattern layer and partially covering the pattern layer, and a surface protection layer provided on the surfaces of the pattern layer and the partial pattern layer and covering both surfaces, wherein the surface protection layer has a first protective layer with at least a portion of its surface exposed, the first protective layer does not contain a gloss adjuster, the surface of the first protective layer has an uneven structure, the uneven structure has a load length ratio Rmr(10%) at a cutting level of 10% of 0.4 or more and a root mean square slope Rdq of 0.15 or more and 0.4 or less.

The utility model discloses a multi-bin paper-based micro-fluidic chip for visual detection of bacterial drug resistance. The multi-bin paper-based micro-fluidic chip comprises a hydrophilic paper base, the detection mechanism is a hydrophilic channel established on the hydrophilic paper base; the detection mechanism comprises a sample adding bin and an anti-overflow bin, and the appearance of the anti-overflow bin is circular; one end of the anti-overflow channel is communicated with the sample adding bin, and the other end of the anti-overflow channel is communicated with the anti-overflow bin; the appearance of each reaction bin is an isosceles trapezoid; the plurality of reaction bins are uniformly distributed in a fan shape by taking the circle center of the sample adding bin as a central original point; one end of each diffusion channel is communicated with the reaction bin, and the other end of each diffusion channel is communicated with the sample adding bin; wherein the diffusion channels and the reaction bins are arranged in a one-to-one correspondence manner; the hydrophobic barrier structure is a hydrophobic area formed on the hydrophilic paper base through wax spraying printing along the outer edge of the detection mechanism. According to the multi-bin paper-based micro-fluidic chip for visual detection of bacterial drug resistance, provided by the utility model, rapid, high-throughput and low-cost detection of multiple bacterial drug resistance can be realized.

This invention addresses the issue that while there is a corresponding relationship between the components and oil absorption value in the glassine paper coating process, this relationship is non-linear and cannot be easily predicted. Therefore, it provides a soft measurement model based on SA-PSO-LSSVM to predict the oil absorption value of glassine paper. This model enables accurate detection of the oil absorption value in the glassine paper coating process, providing a quick method for optimizing the glassine paper coating process. It uses real daily production data from paper mills and is applicable to the actual production activities of most paper mills.

This application discloses a method, equipment, and medium for evaluating the mechanical properties of cellulose bulk-doped insulating paper. The method includes: determining a three-phase model for evaluating the mechanical properties of the insulating paper; obtaining a pre-defined standard mechanical model corresponding to the insulating paper matrix; modifying the standard mechanical model based on the three-phase model to obtain a modified first mechanical model and a second mechanical model; determining the interface layer thickness of the insulating paper at different filler mass fractions using the first and second mechanical models; constructing a comprehensive mechanical model for evaluating the mechanical properties of the insulating paper based on the first and second mechanical models; predicting the target Young's modulus of the insulating paper at different filler mass fractions based on the comprehensive mechanical model and the interface layer thickness; and fitting the corresponding mechanical property curve of the insulating paper using the target Young's modulus to evaluate the mechanical properties of the insulating paper.

This invention provides a method for extracting three-dimensional features of steel stamps on water transfer printing paper based on multispectral fusion, relating to the fields of optical inspection, machine vision, and automated quality control. This method utilizes adaptive illumination and image acquisition, employing optimal band optimization, polarization decoupling, and dynamic structured light projection to obtain a series of images separating geometric deformation and pattern interference. Three-dimensional reconstruction is performed using a physically constrained neural network, embedding a double-layer reflection optical model into the network to decouple and predict the paper substrate normal map and integrate to generate a high-precision three-dimensional point cloud. Multi-dimensional geometric features such as height, curvature, and shape are then extracted from the point cloud. Finally, based on a three-dimensional lookup table, the features are mapped to a comprehensive defect level, and automated, differentiated graded processing is performed. This invention achieves non-contact, micron-level high-precision inspection and intelligent quality control of steel stamps on complex surfaces.

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.

This utility model belongs to the technical field of special paper production equipment, and particularly relates to a calender for cigarette tipping paper base paper, comprising: a calendering roller, which is driven to rotate by a transmission system; a heating system, which is used to heat the calendering roller to improve the flattening and calendering effect of the calendering roller on the tipping paper; the calendering roller further comprises: a roller core, which is a hollow roller body, with roller shafts coaxially distributed at both ends of the roller core; a double-layer covering structure, which is set on the surface of the roller core to improve the toughness and high-temperature stability of the calendering roller; wherein, the heating system is an oil heating system. Compared with the prior art, this utility model improves the toughness, wear resistance and high-temperature stability of the calendering roller.

To provide a release paper base paper, and a release paper, which have a low basis weight, are easy to handle and have good processability when made into an adhesive tape, and an adhesive tape.SOLUTION: There are provided: a release paper base paper that comprises a paper base material 11 and a sealing layer 12 laminated on at least a portion of a surface of the paper base material 11, wherein the paper base material 11 has a basis weight of less than 20 g / m2, a paper thickness of less than 35 μm, and a tensile strength measured in accordance with JIS P8113:2006 in a longitudinal direction is 2.0 kN / m or more; a release paper that comprises the release paper base paper and a release agent layer laminated on at least a portion of a surface of the release paper base paper; and an adhesive tape that comprises a tape base material, an adhesive layer laminated on at least a portion of a surface of the tape base material, and the release paper according to claim 6, which is laminated on a surface of the adhesive layer opposite to the tape base material.SELECTED DRAWING: Figure 1

This invention relates to the field of packaging box processing technology, and in particular to a corrugated paper processing device and process for gift packaging boxes, including an outer packaging mechanism and a folding mechanism; the outer packaging mechanism includes an installation component, a cutting component, a processing and transfer component, and an assembly component. The cutting component is installed above the installation component and is used to position and cut the packaging paper based on the hard shell; the folded cardboard is installed in the protective box by the transfer mechanism, and then the outer box is moved above the pasting part. Then, relying on the guidance of the bottom slope of the protective box and the hard shell, the pasting part can be automatically moved on the tray when there is a small deviation between the protective box and the hard shell, ensuring that the hard shell is accurately installed in the notch, that is, the packaging paper is accurately pasted on the outside of the protective box, reducing the situation of uneven pasting or even wrinkles in the subsequent pasting of packaging paper, and improving the yield of gift boxes.

The application discloses a preparation method of cotton-containing lotion paper base paper, which comprises the following steps: selecting cotton fibers with specific length, Mack value and adding amount, then selecting wood pulp components including coniferous wood pulp and broadleaf wood pulp, sequentially performing warm water permeation treatment, composite cellulase treatment and inactivation treatment on the cotton fibers to obtain pretreated cotton fibers, separately performing hydraulic defibration on the pretreated cotton fibers to form cotton fiber dispersed slurry, adding the coniferous wood pulp into the cotton fiber dispersed slurry, performing disintegration and beating to form long fiber interlocking slurry, performing disintegration and defibration on the broadleaf wood pulp to form short fiber slurry, adding the short fiber slurry into the long fiber interlocking slurry after the long fiber interlocking slurry is formed to perform slurry mixing, obtaining pulp pool slurry, and performing forming, pressing, drying, creping, winding and slitting to obtain the cotton-containing lotion paper base paper, which has the advantages of sufficient pretreatment, stable beating process, reasonable long and short fiber cooperation, low risk of falling off and convenience of subsequent lotion coating processing.

To provide a packaging body for sanitary paper, comprising a packaging bag made of laminated paper having a paper base material and a heat-seal layer, wherein the packaging bag can be easily opened. [Solution] A packaging body comprising sanitary paper and a packaging bag for containing the sanitary paper, wherein the packaging bag is made of laminated paper having a paper base material and a heat-seal layer, the laminated paper has an opening, the heat-seal layer forms the inner surface of the packaging bag, and 0.942 g / cm³ 3 A packaging body made of a high-density thermoplastic resin having the above density.

To provide a release paper base paper that improves transparency of an adhesive label when the adhesive label is obtained without using a polyolefin laminate.SOLUTION: In a release paper base paper 10, a base material 11, a first coat layer 12 and a second coat layer 13 are arranged in this order, a content mass ratio of hardwood pulp in pulp used for the base material is 50 mass% or more, a beating degree of the pulp used for the base material is 30° SR or higher, the first coat layer 12 contains resin, and the second coat layer 13 contains clay and binder resin.SELECTED DRAWING: None

The present application provides a kind of for wet paper base dehydration device, comprising: support, support has at least one support surface, wet paper base is placed on support surface;Extrusion part, extrusion part has the extrusion surface that is matched with the shape of support surface, the extrusion surface is configured to be driven to extrude wet paper base;And atomizing piece, atomizing piece is set on extrusion surface, to atomize the moisture that wet paper base extrudes into water mist.The present application also relates to a kind of wet paper base dehydration method, the dehydration method is implemented by dehydration device.The dehydration device and dehydration method of the present application can be atomized and dehydrated to wet paper base of various curvatures and various thicknesses, can atomize the moisture that extrudes, reduce the moisture that remains in dehydration device, reduce the moisture content of wet paper base, improve the dryness of wet paper base, it is beneficial to reduce the energy consumption required in subsequent drying heating process of wet paper base, not only energy saving and environmental protection, but also can improve production efficiency.

This invention relates to the field of visual inspection technology for electroacoustic devices, and discloses a method and system for quality inspection of horn drum paper based on visual inspection. The method separates a base layer, a detail layer, and a noise layer through multispectral image fusion and multi-scale decomposition. A three-dimensional mesh model of the horn drum paper is reconstructed based on the base layer, and the detail layer is mapped to the surface texture of the model, realizing the correlation analysis of defects in three-dimensional morphology and texture features, thus improving the ability to identify minute three-dimensional defects. By analyzing the local energy distribution of candidate defect regions in the noise layer and combining it with the local curvature of the mesh for authenticity judgment, it can accurately distinguish between real material damage and imaging artifact interference, reducing the false detection rate. Finally, repair instructions are generated based on the determined defect set. This method overcomes the limitations of two-dimensional image detection, has higher accuracy and reliability, and is suitable for automatic quality inspection on production lines.

The application discloses high-thermal-conductivity aramid insulation paper based on a surface coating technology and a preparation method thereof, and belongs to the field of aramid insulation paper-based functional materials. The method is characterized in that: amino-modified BN-NH2 is prepared by one-step covalent grafting, modified aramid nanofiber ANF is prepared by ultraviolet ozone radiation, an amino-epoxy group, a hydroxyl-epoxy group and an amino-hydroxyl triple chemical bond synergistic ternary anchoring interface structure is constructed by compounding epoxy resin, and the composite coating is coated on the surface of aramid base paper and hot-pressed into shape. The application solves the problems of poor dispersion of boron nitride, weak interface combination and discontinuous thermal conduction path, realizes a substantial improvement in thermal conductivity while retaining excellent insulation and mechanical properties of aramid paper, is controllable and easy to mass-produce in process, and is suitable for high-end equipment insulation and thermal management scenes.

This utility model discloses a fluorocarbon-free packaging paper. The utility model includes a paper base layer: a first waterproof layer is disposed on the top of the paper base layer, and a second waterproof layer is disposed on the bottom of the paper base layer. A nylon mesh and a degradation layer are disposed on the top of the first waterproof layer. With this utility model, users can tear the food packaging paper along the creases to expose the nylon mesh inside the food packaging paper. Pulling the nylon mesh then cuts the food packaging paper, thereby destroying the oil-proof layer. This breaks down the overall structure of the paper base layer, the first waterproof layer, the second waterproof layer, the reinforcing layer, and the oil-proof layer, allowing them to fully contact the outside environment and increasing the degradation rate of the food packaging paper. Furthermore, the waterproof adhesive, the first oil-proof adhesive, the second oil-proof adhesive, and the oil-proof layer are disposed on the food packaging paper, preventing the food packaging paper from being soaked in oil or water. The nylon mesh facilitates the separation of the printed layer and the food packaging paper, promoting the degradation of the food packaging paper.

This utility model discloses a backing-free thermal printing label paper, comprising a paper base, a heat insulation layer, a thermal color-developing layer, a silicone oil layer, a waterproof layer, and an adhesive layer. The thermal color-developing layer develops color when heated, meaning the label paper of this utility model is based on thermal paper. In use, the label paper can be directly adhered to the object, such as a package, via the adhesive layer. This utility model uses a backing-free thermal printing label paper, which, compared to traditional self-adhesive labels, avoids the waste of backing paper resources and reduces environmental pollution. Furthermore, the waterproof layer beneath the paper base effectively prevents the paper base from absorbing water, thus avoiding problems such as wrinkles.

The present application relates to the technical field of mechanical processing, in particular to a coating machine, comprising: a pre-folding unit, the pre-folding unit comprising a folding assembly and a folding roller shaft, and a folding transmission roller shaft, the folding assembly comprising a folding plate and a folding platform, the folding plate and the folding platform being arranged at an angle, the upper paper base film passes through the folding assembly and then through the gap between the folding roller shaft and the folding transmission roller shaft to complete upward folding; a main conveying belt, four side conveying assemblies are arranged on the main conveying belt, the side conveying assemblies are enclosed to form a limiting channel, and an anti-adhesion coating is sprayed at the joint of the side conveying assemblies; a lower paper base film, the lower paper base film is arranged on the main conveying belt, and a foam material is arranged on the lower paper base film, and the lower paper base film and the folded upper paper base film enter the limiting channel together for limiting foaming. The coating machine has a simple structure, is easy to operate, greatly reduces the production difficulty and cost, improves the use efficiency and coating quality, and can be widely applied to various production fields requiring limiting foaming of the coating machine.

This invention relates to the field of electronic digital data processing technology, specifically to an intelligent adjustment method for air dryers based on optical detection. The method includes: drying various test papers using an air dryer; firstly, calculating the stability index of vibration amplitude and the transmittance difference index for each region of each paper; then, calculating the humidity uniformity index for each paper based on the stability index of vibration amplitude and the transmittance difference index for each region of each paper; determining whether the humidity uniformity index meets a set range; if it does, determining that the corresponding paper has uniform humidity; calculating the difference index between each paper in the humidity uniformity group and the standard paper; and taking the drying temperature of the paper with the smallest difference index as the optimal drying temperature and the drying direction of that paper as the optimal drying direction. This method is particularly suitable for a specific function, specifically intelligent adjustment of an air dryer. This invention ensures paper quality while improving drying efficiency.

The application discloses a kind of pure para aramid paper based on nanofiber hydrogel and its integrated preparation method, belong to high-performance fiber paper-based material technical field.The application first utilizes pressurized CO2 method to induce aramid fiber gelation, and realizes efficient in-situ extraction and closed-loop recovery of dimethyl sulfoxide (DMSO) solvent by pre-position mechanical pressure filtration, then water washing is prepared to keep high hydration activity nanofiber hydrogel slurry.In the process of papermaking, the hydrogel slurry is used as the only functional medium in the system, and is co-dispersed with homogeneous para aramid short fibers, relying on the high-density hydrogen bonding between isomorphic molecular chains, realizing the dense in-situ coating of nanofiber on the surface of short-cut skeleton.The application avoids the dependence on heterogeneous binder or chemical dispersant in conventional process, under very low solvent recovery energy consumption, constructs the pure para aramid cooperative structure of nanophase-macroscopic skeleton penetrated by continuous three-dimensional hydrogen bond network, realizes the effective unity of pure aramid paper in the premise of lightweight high modulus and high tear toughness, provides technical support for large-scale green manufacturing.

The utility model provides a one material one code front and back paper gasket relates to product identification technical field, including gasket body, the gasket body includes paper base material layer, the front of paper base material layer is equipped with first identification code, the back of paper base material layer is equipped with second identification code. The utility model discloses through setting up first identification code and second identification code at the front and back of paper base material layer respectively, realizes double -sided one material one code identification function, even if one side identification code is damaged or is shielded, still can complete the code scanning authentication through the other side, has improved product information identification's reliability and anti -fake ability, and sets up the invisible anti -fake layer on paper base material layer surface, adopts ultraviolet fluorescent ink or temperature change ink coating, has strengthened the professional anti -fake performance of paper gasket, covers waterproof film layer simultaneously in paper base material layer outer layer, has improved the durability of paper gasket in humid environment, prevents two -dimensional code from being hazy or damaging because of damp, has prolonged the service life of label.

This invention discloses a food-grade antibacterial packaging paper based on biomass conversion and its preparation method, relating to the field of papermaking technology. The packaging paper uses areca leaf mechanical pulp rich in lignin and natural phenols as a substrate. After alkali treatment and oxidase activation of the phenolic hydroxyl groups on the fiber surface, a chitosan-tea polyphenol layer is coated onto its surface, followed by ionic crosslinking and interfacial co-crosslinking with phytic acid to construct a dense fiber-coating network structure. This improves the paper's mechanical strength, water and oil resistance, and inhibition of common pathogenic bacteria while maintaining its renewability, biodegradability, and food contact safety.

The utility model discloses a kind of composite abrasive belt of net-shaped reinforcing matrix, it includes abrasive belt body, and abrasive belt body includes;Net matrix layer, it is carbon fiber woven net impregnated with ceramic whisker, one side is formed as plane, and the other side is formed as concave surface;Hard tensile layer, it is polyaryletherketone fiber woven belt, top surface heat press is fixed on the plane of net matrix layer, to form composite layer in this way;Hard abrasive layer, it is single-layer diamond abrasive, it is sprayed on the concave surface of net matrix layer, the vertical surface of net matrix layer and the vertical surface of hard tensile layer;Carbon fiber itself has very high strength and modulus, the filling of ceramic whisker further enhances the rigidity, heat resistance and wear resistance of matrix, polyaryletherketone fiber woven belt provides tensile strength, toughness and high-temperature resistance, and this composite structure makes abrasive belt body have very high overall tensile strength, is superior to traditional non-woven fabric, paper-based or film-based matrix, effectively solve the problem that traditional abrasive belt is easy to deform, tear.

This invention discloses an integrated production method for decorative packaging paper based on multi-cage graded sizing, comprising four steps: base layer forming, wet implantation of decorative materials, surface coating and sealing, and drying and paper output. The first cage forms the base fiber layer by sizing at a pulp-to-water ratio of 2:8. The second cage is modified into a flooded sizing tank, and a cationic starch-grafted silane coupling agent is used to wet-implant metal sheets, dried flower and plant fragments, and colored fiber filaments modified with nano-silica into the base fiber layer. The third cage is sizing and sealing at a pulp-to-water ratio of 2:5 and coated with a self-crosslinking waterborne polyurethane-acrylate hybrid emulsion. After drying in multiple cylinders, the finished product is obtained. This invention realizes integrated continuous production from pulp to decorative packaging paper, with strong adhesion of the decorative layer and a realistic three-dimensional texture.

This invention discloses a biodegradable PBAT coating resin, its preparation method, and its applications, belonging to the field of polymer material modification technology. The specific preparation method involves: PBAT-M copolymers are prepared by polycondensation of terephthalic acid, adipic acid, 1,4-butanediol, and 2-methyl-1,3-propanediol under a catalyst; the PBAT-M copolymer, initiator, and maleic anhydride are mixed and melt-extruded to obtain maleic anhydride-grafted modified PBAT-M copolymers; silica nanoparticles are dispersed in an acetic acid solution of chitosan to obtain chitosan surface-functionalized silica nanoparticles; the maleic anhydride-grafted modified PBAT-M copolymer, chitosan surface-functionalized silica nanoparticles, flow modifier, and PBAT are mixed and melt-extruded to obtain a biodegradable PBAT coating resin. This invention improves melt flowability by introducing a side-methyl-containing comonomer, enhances interfacial adhesion to paper substrates through maleic anhydride grafting, and imparts antibacterial and reinforcing properties to the material through chitosan surface-functionalized nanoparticles.