158results about "Surface covering paper" patented technology

The invention relates to the technical field of papermaking, and particularly provides label release paper and a preparation method thereof.The label release paper sequentially comprises a release layer, a bottom coating layer and a base material paper layer from top to bottom, and the release layer comprises polydimethylsiloxane; the bottom coating layer comprises an organic silane coupling agent; the base material paper layer sequentially comprises a surface layer, a modified paper layer and a bottom layer from bottom to top; wherein the surface layer and the bottom layer are both glassine paper; the density of the glassine paper of the surface layer is 1.15-1.20 g / cm < 3 >; and the density of the glassine paper at the bottom layer is 1.05-1.10 g / cm < 3 >. Polydimethylsiloxane is selected as the release layer, the release force of the adhesive can be remarkably reduced due to the fact that polydimethylsiloxane has ultralow surface energy, and the crosslinked polydimethylsiloxane layer is high in chemical inertness, low in heat resistance and moisture migration resistance, not prone to migration after being stored for a long time and easy to form chemical combination with the bottom coating layer, so that the adhesive force is improved.

The invention discloses a paper-based composite film, which adopts a four-layer structural design, and the outer layer is an ultraviolet shielding layer formed by coating TiO2 with lignin; the transition layer is composed of 32-64 PLA / PBAT alternating microlayers, and the multiple alternating transition layers form a zigzag gas barrier path; ag-coated ZIF-8 nanoparticles are loaded on the paper base layer, so that long-acting antibiosis is realized by slowly releasing silver ions; and the inner layer adopts a PPC / PBS blend to support the heat sealing layer with adjustable heat sealing strength. According to the preparation process, a gradient micro-layer structure is constructed through a multi-runner co-extrusion die head and a layer multiplier, silver ions are loaded to ZIF-8 through an ultrasonic-vacuum impregnation process, the hydroxyl density of the surface of the paper base layer is improved through plasma treatment, good interlayer strength is achieved, ester bond crosslinking is induced in a pre-irradiation mode, and the product is prepared. The paper-based composite film has ultraviolet shielding, gradient blocking, slow-release antibacterial and controllable heat sealing performance, the interface bonding strength of a traditional paper-based composite film is greatly improved, all components are biodegradable, and the paper-based composite film is suitable for packaging of food, medicine and the like.

The invention discloses high-barrier waterproof and oil-proof meal package paper and a preparation method thereof, and relates to the technical field of food packaging materials. The invention discloses a preparation method of high-barrier waterproof and oil-proof meal package paper, which comprises the following steps: coating raw paper with waterproof and oil-proof glue to obtain the high-barrier waterproof and oil-proof meal package paper, the waterproof and oil-proof glue comprises the following raw materials in percentage by weight: 1-2% of modified chitosan, 4-5% of carboxymethyl cellulose, 0.3-0.5% of nano cellulose, 0.15-0.25% of modified nano mesoporous silica, 0.3-0.42% of a bio-based cross-linking agent and the balance of a solvent, and the sum of the weight percentages of the raw materials is 100%. The prepared meal package paper is good in waterproof and oil-proof effects, and the folding strength of the coating is high.

The invention discloses low-reflection type electromagnetic shielding composite paper and a preparation method thereof, and belongs to the technical field of electromagnetic shielding. The invention provides low-reflection type electromagnetic shielding composite paper which is of a sandwich structure and is sequentially composed of an aerogel film layer, a conductive paper layer and a conductive thin film layer. Wherein the aerogel film layer is composed of a cellulose nanofiber base material, a cross-linking agent and a conductive filler; the conductive paper is obtained by impregnating plant fiber-based body paper with a dispersion liquid of a conductive filler; the conductive film is composed of nanocellulose fibers and a conductive filler. The electromagnetic shielding paper has a unique layered structure, and impedance matching of the electromagnetic shielding paper is improved through interlayer conductive gradient. The prepared low-reflection type electromagnetic shielding paper has excellent electromagnetic shielding performance and ultralow reflection efficiency at the same time.

The invention relates to an impregnated paper production quality detection method and system based on deep learning, and the method comprises the following steps: S1, obtaining an industrial camera image flow, sensor and process parameters, and event and work order information, and constructing a synchronous data packet; s2, preprocessing the synchronous data packet to obtain preprocessed image data, process data and an ROI mask; s3, obtaining a detection frame set and a segmentation mask set based on multi-model AI detection and segmentation according to the preprocessed image data, the process data and the ROI mask; s4, segmenting the mask set according to the detection frame set, and performing track clustering along the paper feeding direction to form a defect event flow; s5, on the basis of the defect event stream, performing online quality prediction and root cause analysis, and obtaining future interval quality prediction and key factor sorting; and S6, according to future interval quality prediction and key factor sorting, adaptive process optimization is carried out, and an optimal control instruction is obtained. According to the invention, the detection accuracy and fineness are effectively improved, and intelligent identification and cross-frame tracking of defects are realized.

The invention discloses a method for solving linting and dusting during paperboard printing, and belongs to the technical field of papermaking. Comprising the following detailed steps: a slurry preparation process, surface sizing treatment and a drying and curing process, in the slurry preparation process, various high-quality fiber raw materials are carefully selected and mixed, the proportion of various fibers is accurately controlled according to the expected performance and quality requirements of the paperboard, and meanwhile, a proper amount of auxiliaries are added; and the binding force between the fibers and the strength of the paper are enhanced. The raw material ratio in the paperboard production process is precisely regulated and controlled, the specially-made composite surface sizing agent is adopted for surface treatment, and scientific and reasonable drying and curing processes are matched, so that the problems of linting and powdering of the paperboard in the printing process are effectively solved, and the printing quality and the production efficiency of the paperboard are improved.

The invention discloses nano cellulose with high lignin content, a preparation method thereof and application of a barrier coating. The preparation method comprises the following steps: mixing a lignocellulose raw material with dilute sulphuric acid for acid pretreatment, and selectively depolymerizing hemicellulose to obtain lignin-rich residues of which the relative content of lignin is higher than that of the raw material; and carrying out mechanical nano fibrillation treatment to obtain the high-lignin-content nano cellulose with the lignin content of 29-60%. The prepared nano cellulose with high lignin content has excellent thermal stability, hydrophobicity and organic compatibility. The surface of paper is coated with the coating material, after hot pressing treatment, the Cobb value of the coated paper is as low as 3.3 g / m < 2 >, the water vapor permeability is only 12.1 g / (m < 2 >. D), grease permeation can be completely blocked, and the coating material has wide application prospects in the field of food packaging.

The invention discloses a compound herbal puffed body as well as a preparation method and application thereof. The preparation method comprises the following steps: adopting compound herbal raw materials; crushing the compound herbal raw materials, and performing puffing treatment; and preparing the compound herbaceous puffed body. The compound herbal puffed body is prepared by adopting the preparation method. The invention further provides application of the compound herbal puffed body. The periphery of the compound herbal puffed body is wrapped with paper to be made into moxibustion sticks or incense. According to the present invention, the formula of the puffed body material prepared from the compatibility of the traditional Chinese medicinal materials and the plants is adopted, the advanced assay and test technology is adopted, the advanced puffed body preparation technology is adopted after the pharmacological experiment, and the puffed body or the filamentous puffed body is adopted; and the moxibustion or incense is prepared in a manner of wrapping paper outside. When the product is actually used, not only is the requirement of moxibustion therapy met, but also the requirement of daily incensing is met, and the practical value and the market value of being multiple in product variety, wide in audience range and wide in use scene are achieved.

The invention discloses preparation of an anti-chronic pharyngitis microcapsule medicine and application of the anti-chronic pharyngitis microcapsule medicine in tipping paper for cigarettes, the medicine is MF-GA / IL (at) MPN, and the medicine is composed of an ionic liquid (IL) as an internal carrier and a microcapsule carrier with a metal phenol network (MPN) as a shell; wherein the metal phenol network is formed by aluminum ions and mangiferin through a coordination reaction, and the ionic liquid is CAGE ILs formed by vanillin and choline. The combination of mangiferin and glycyrrhizic acid is used as a strategy for treating chronic pharyngitis, it is found that the effective loaded MF-GA / IL-coated MPN microcapsule preparation is obtained by packaging the two drugs including mangiferin and glycyrrhizic acid with the ionic liquid as the core and the metal phenol network as the shell, the tissue permeability of the drugs is improved, a certain slow release effect is achieved, and the effect of treating chronic pharyngitis is achieved. The bioavailability of mangiferin and glycyrrhizic acid is improved, and the anti-inflammatory activity effect is better achieved.

The invention discloses an in-situ doped ZnO paper-based insulating material and a preparation method thereof, and belongs to the technical field of paper-based special materials in paper industry. The method disclosed by the invention comprises the following steps: mixing and stirring zinc chloride and water to obtain a zinc chloride hydrated eutectic solvent; then soaking the porous base paper in a zinc chloride hydrated deep-eutectic solvent for swelling treatment to obtain gelatinized base paper; immersing the gelatinized raw paper into an ethanol / water anti-solvent system for regeneration treatment to obtain regenerated raw paper; then dipping the regenerated raw paper in alkali liquor for in-situ deposition treatment to obtain raw paper with ZnO micro-nano particles loaded and doped on the surface; and performing post-treatment on the body paper with the surface loaded and doped with the ZnO micro-nano particles to obtain the in-situ doped ZnO paper-based insulating material. According to the method disclosed by the invention, in-situ doping of the ZnO micro-nano particles is successfully realized in the densified base paper, and the dielectric property is further remarkably improved by cooperating with the densification effect.

The present invention relates to surface-foamed paper and paperboard coated with a thermosensitive micro-foaming agent and, more specifically, to surface-foamed paper and paperboard that exhibit excellent shock absorption and buffering performance by coating the surface of paper with a foaming mixture comprising a micro-foaming agent and starch, and then foaming the micro-foaming agent through high-temperature drying. In addition, the present invention relates to eco-friendly surface-foamed paper and paperboard using a foam material that can volumetrically expand on the surface of paper and paperboard.

The invention discloses printing ink and application thereof in tipping paper for heating cigarettes, and belongs to the field of tobacco products. The printing ink comprises polyvinyl butyral resin, a filler, an auxiliary agent and a solvent, the ink is good in thermal stability, the tipping paper for heating the cigarettes prepared from the ink is used for heating the cigarettes, no peculiar smell of the ink is generated in the smoking process of the heated cigarettes, the influence on the sensory quality of the heated cigarettes is reduced, and the ink has relatively high industrial availability, high safety and low cost and is applied to the production of the heated cigarettes.

Floor, Wall or Ceiling panel comprising a board (11) and a decorative top layer (12), wherein the decorative top layer (12) is provided on the board. The board (12) is based on MgO and MgChloride or wherein the board (12) is based on MgO and MgSulphate. The decorative layer (12) comprises a printed paper sheet (decor) (17) being treated with a resin, such as melamine formaldehyde (MF), polyurethane (PU), latex, acrylate dispersion or a combination thereof. The decorative top layer (12) is applied to the board by means of a direct pressure lamination (DPL) process.

A decorative paper (10) is provided with: a raw material layer (1); the pattern printing layer (2) is arranged on the raw material layer (1); a highly designed protective layer (3) partially disposed on the pattern printed layer (2); and a high-design resin layer (4) provided on the high-design protective layer (3) in synchronization with the high-design protective layer (3). A decorative sheet (100) is provided with decorative paper (10) and a cured impregnating resin (5) impregnated in the decorative paper (10).

The invention belongs to the technical field of papermaking, and particularly relates to a process for improving blister fastness of a blister card. Comprising the following steps: treating needle and hardwood pulp with compound enzyme, adding light magnesium oxide, grinding to obtain compound modified pulp, preparing three layers of pulp, diluting and purifying, adding auxiliaries into a three-layer slushing pump before purifying, and adding core layer auxiliaries containing hydroxymethyl urea modified cationic polysaccharide and the like into a core layer pump; the three layers of pulp are compounded into a wet paper web layer by layer through an upper net of a headbox, gradient pre-drying is performed after multiple times of squeezing dehydration, and then surface sizing, post-drying, hard calendaring, front and back coating and soft calendaring are performed in sequence to obtain a finished blister card product. The process effectively solves the problems of infirm blister and shelling in narrow-edge blister processing, realizes standardized control of slurry quality, greatly reduces batch-to-batch difference of blister effects, remarkably improves the binding force of a narrow-edge blister area, optimizes the surface performance of paper, reduces the phenomena of linting and powdering during printing, and improves the printing quality of the narrow-edge blister blister. And the printing adaptability is improved.

The disclosure provides a decorative sheet 1 including a primary film layer 2 and a surface protective layer 5 provided to one side of the primary film layer 2, wherein the surface protective layer 5 has a surface provided with an uneven structure including a plurality of ridge portions each protruding in a ridge-like shape; in the uneven structure of the surface protective layer 5, a ratio Rdc / t between a cut level difference Rdc and a thickness t of the surface protective layer 5 is 0.15 or more and 0.44 or less; the thickness t of the surface protective layer 5 is 2 μm or more and 18 μm or less; and an absorption spectrum obtained from Fourier infrared spectrometry of the surface protective layer 5 has a ratio I1095 / I1725 of 0.65 or more.

The utility model relates to the technical field of paper boards, in particular to an anti-layering corrugated paper board which comprises a corrugated paper board body, a central wave paper board is arranged in the corrugated paper board body, and a first tooth-shaped paper board and a second tooth-shaped paper board which are the same in structure are clamped on the two faces of the central wave paper board respectively. The first tooth-shaped paper board and the second tooth-shaped paper board are oppositely meshed and matched, a surface layer paper board and an inner layer paper board are arranged on the two faces of the corrugated board body respectively, and a second reinforcing paper board is arranged between the inner layer paper board and the second tooth-shaped paper board. The anti-layering corrugated paperboard is made of paperboards with the same thickness, uniformity of materials is achieved, the tooth-shaped paperboards are arranged on the two faces of the center wave paperboard respectively, the tooth-shaped paperboards are matched in a similar meshing mode, the reliability of the structure of the center wave paperboard is guaranteed, the buffering effect is enhanced, and the service life of the center wave paperboard is prolonged. And meanwhile, the tooth-shaped paper board is more reliably connected with the surface layer paper board and the inner layer paper board, so that the problem of layering of the corrugated paper board is effectively prevented.

A board including a plurality of layers having a different composition. At least one of the layers is based on MgO and MgChloride and / or at least one of said layers is based on MgO and MgSulphate. Methods for manufacturing such boards, and methods for manufacturing coated panels include such board.

A method for manufacturing a decorative sheet for making decorative panels may involve providing a sheet, preferably a paper layer or a thermoplastic foil. A printed motif may be applied to the sheet by means of digital printing. The printed motif may be applied using a pigmented ink. The pigmented ink may have a viscosity above 30 mPa·s, preferably above 40 mPa·s. Decorative sheets may be obtained by the method. A method may be provided for manufacturing a decorative panel that includes the decorative sheet.

The invention discloses a compound herbal hollow paper tube as well as a preparation method and application thereof. The preparation method comprises the following steps: selecting medicinal and edible Chinese herbal medicines as main raw materials; selecting other formulas of papermaking materials; processing the Chinese herbal medicine raw materials and papermaking materials into compound herbal paper; the compound herbal paper is rolled into a compound herbal paper blank pipe. The compound herbal paper hollow pipe is prepared by adopting the preparation method of the compound herbal paper hollow pipe. According to the application, the paper hollow tube is filled with materials based on the compound herbal paper hollow tube. According to the application, medicinal and edible plants are mainly used as raw materials of compound herbs, paper with different characteristics is prepared from compatible raw materials of various traditional Chinese medicine herbal compounds and papermaking materials, and the paper blank pipe is prepared based on the paper, so that the paper blank pipe has a process suitable for manufacturing a product; the production technology is mature, the process is simple, the production cost is low, and products are diversified.

The invention relates to the technical field of kraft linerboards, in particular to a flame-retardant kraft linerboard and a surface treatment process thereof. An upper transition layer is arranged below the upper surface layer, a core layer located on a middle base layer of the kraft linerboard is arranged below the upper transition layer, a flame-retardant layer for inhibiting combustion reaction and reducing flame propagation speed through a flame retardant is arranged in the core layer, and a lower transition layer is arranged below the core layer. A lower-layer surface layer which is symmetrical with the upper-layer surface layer and is positioned on the outermost layer of the bottom of the kraft linerboard is arranged below the According to the flame-retardant kraft linerboard, a layered composite structure is adopted, the upper transition layer and the lower transition layer are additionally arranged, the binding force between the layers is enhanced, the layering phenomenon is effectively avoided, the overall strength and durability of the kraft linerboard are greatly improved, the flame-retardant layer adopts a multi-layer composite structure and gradient flame-retardant design, and the flame-retardant efficiency is improved; according to the process, the flatness, glossiness and printing stability of the paperboard are ensured, the quality of a finished product is stable, the defective rate is reduced, and the production efficiency and economic benefits are improved.

A decorative sheet including a primary film layer and a surface protective layer provided to one side of the primary film layer, wherein the surface protective layer has a surface provided with an uneven structure including a plurality of ridge portions each protruding in a ridge-like shape; the uneven structure of the surface protective layer has a protruding peak height Rpk of 3.5 μm or more; and an absorption spectrum obtained from Fourier infrared spectrometry of the surface protective layer 5 has a ratio I1095 / I1725 of 0.65 or more, between a maximum value I1095 in a wavenumber range of 1085 to 1105 cm−1 and a maximum value I1725 in a wavenumber range of 1715 to 1735 cm−1.

The invention discloses a coating for enhancing aroma and preventing tobacco shreds of a heated cigarette from falling off, cigarette paper and the heated cigarette, and the coating is prepared from plant raw materials through the following method: (1) carrying out high-temperature pyrolysis reaction on the plant raw materials to obtain a pyrolysis semi-coke composition and a volatile composition; and (2) condensing the volatile composition to obtain the coating. Coating the coating on the inner surface of a paper base material to form cigarette paper, wherein the cigarette paper is used in a heated cigarette; in the smoking state of the heated cigarette, the temperature of smoke generated by heating is transmitted to the coating layer, so that the coating layer is bonded with the aerosol generating matrix, and the aroma enhancement is realized and the aerosol generating matrix in the heated cigarette is prevented from falling off. Moreover, peculiar smell cannot be generated, the falling rate of the fuming substrate is reduced, and the fuming substrate cannot be adhered to the heating body of the heating smoking set, so that the service life of the heating body and the heating smoking set is prolonged.

According to an example aspect of the present invention, there is provided a wallcover comprising a nonwoven substrate layer with a backing layer and an intermediate layer, disposed on one side of the backing layer, and a coating layer disposed on the intermediate layer. The backing layer comprises a mixture of cellulose fibers and coarse synthetic fibers. The invention also relates to a method of producing wall coverings. The invention provides environmentally friendly wallcovers, which may be produced in a single process phase without multiple manufacturing steps.

The disclosure provides a decorative sheet 1 including a primary film layer 2 and a surface protective layer 5 provided to one side of the primary film layer 2, wherein the surface protective layer 5 has a surface provided with an uneven structure including a plurality of ridge portions each protruding in a ridge-like shape; in the uneven structure of the surface protective layer 5, a ratio Rdc / t between a cut level difference Rdc and a thickness t of the surface protective layer 5 is 0.15 or more and 0.44 or less; the thickness t of the surface protective layer 5 is 2 µm or more and 18 µm or less; and an absorption spectrum obtained from Fourier infrared spectrometry of the surface protective layer 5 has a ratio I1095 / I1725 of 0.65 or more, between a maximum value I1095 in a wavenumber range of 1085 to 1105 cm-1 and a maximum value I1725 in a wavenumber range of 1715 to 1735 cm-1.

The disclosure provides a decorative sheet having a low gloss and imparting a rough feel. A decorative sheet 1 including a primary film layer 2 and a surface protective layer 5 provided to one side of the primary film layer 2, wherein the surface protective layer 5 has a surface provided with an uneven structure including a plurality of ridge portions each protruding in a ridge-like shape; the uneven structure of the surface protective layer 5 has a protruding peak height Rpk of 3.5 µm or more; and an absorption spectrum obtained from Fourier infrared spectrometry of the surface protective layer 5 has a ratio I1095 / I1725 of 0.65 or more, between a maximum value I1095 in a wavenumber range of 1085 to 1105 cm-1 and a maximum value I1725 in a wavenumber range of 1715 to 1735 cm-1.

The utility model relates to the technical field of water-based coated paper, and provides multi-layer thickened water-based coated paper which comprises a base layer, a plurality of anti-tearing lines are connected to the top end and the bottom end of the base layer, a water-based coating is connected to the anti-tearing lines, a waterproof coating is connected to the water-based coating, and the anti-tearing lines located at the top end and the bottom end of the base layer are perpendicular to each other. The multiple anti-tear lines are coated with filling glue, the base layer and the multiple anti-tear lines are connected through water-based acrylate emulsion, the paper is endowed with high strength and tear resistance through the base layer and the anti-tear lines, and the packaging requirement of heavy goods is met; the water-based coating and the emulsion are environment-friendly and pollution-free; the waterproof coating improves waterproofness and is suitable for packaging and outdoor printing; the vertical anti-tearing lines and the filling glue enhance the anti-tearing effect; the water-based acrylate emulsion is firmly bonded, so that the physical properties of the paper are synergistically improved by the base layer and the anti-tearing line.

The utility model discloses a paper packaging plate, particularly discloses a paper packaging plate and a packaging box which are used for storing articles for a long time under complex environmental conditions, and belongs to the technical field of design and manufacturing of paper packaging pieces of products. According to the paper packaging plate and the packaging box, the service life can be effectively prolonged, and packaged products can be well protected. The paper packaging plate and the packaging box are used for storing the articles for a long time under the complex environmental conditions. The paper packaging plate comprises a composite breathable framework plate, and a protective structure layer matched with the environment atmosphere in long-term contact is attached to the surface of the composite breathable framework plate. In the using process, the paper packaging plate forms a packaging box with the corresponding strength through the composite breathable framework plate, and the packaging box isolates water vapor and is mildew-proof and damp-proof through the protective structure layer. The packaging box is made of the paper packaging plate, the humidifying mildew-proof layer is located on the inner side wall of the packaging box, and the hydrophobic flame-retardant layer is located on the outer side wall of the packaging box.

The invention provides a PECVD (Plasma Enhanced Chemical Vapor Deposition)-based super-hydrophobic oleophobic fluoride-free paper-based material and a preparation method thereof, and relates to the technical field of paper-based materials. The method comprises the following steps: under a plasma condition, pretreating a paper-based base material, and constructing a multifunctional coating on the surface of the base material through carbon-based-silicon-based precursor codeposition and inert gas plasma post-treatment to prepare the super-hydrophobic and oleophobic fluorine-free paper-based material. According to the technical scheme, through precursor compounding optimization and PECVD process parameter regulation and control, the oil-proof, water-proof and gas barrier properties of the paper-based material can be precisely regulated and controlled, the material is endowed with multiple functions, and the design purposes of single coating preparation and multifunctional integration are achieved.

The application belongs to the technical field of laminated paper and specifically discloses a microwaveable laminated paper and a paper container. The microwaveable laminated paper comprises paper and a laminated layer, and the laminated layer comprises the following raw materials according to weight parts: 100-110 parts of polylactic acid, 50-60 parts of degradable toughening resin, 20-25 parts of modified talcum powder, 15-18 parts of modified chitosan fiber, 3-5 parts of maleic anhydride grafted polypropylene, 1-2 parts of antioxidant, 2-3 parts of ultraviolet resistance agent and 4-5 parts of pentaerythritol stearate. The microwaveable laminated paper prepared in the application has good high and low temperature resistance, strength and heat sealing property, and the cooperation of various raw material components improves the mechanical property, adhesion and thermal stability of the laminated layer.