109 results about "Stickies" 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 provides a system for purifying stickies in pulp of a deinking pulp line, which relates to the technical field of papermaking industry and comprises a repulping carrying cylinder and a cleaning assembly, a treatment cavity is formed in the repulping carrying cylinder, a cleaning assembly is arranged in the treatment cavity, and the repulping device is characterized in that the cleaning assembly comprises a rotating supporting cylinder, the rotating supporting cylinder is rotationally installed in the middle of the treatment cavity, the outer side of the rotating supporting cylinder is fixedly connected with a connecting belt shaft, and the outer side of the connecting belt shaft is fixedly connected with a repulping cutter; the two-way lead screw is rotationally installed in the rotating supporting cylinder, one end of the two-way lead screw is fixedly connected with a rotating handle, and the outer side of one end of the rotating supporting cylinder is fixedly connected with a limiting angle block; the cleaning assembly is arranged, the cleaning assembly and the slurry are mechanically linked through adjustment, attached sticky substances and residual slurry are efficiently scraped through mechanical scraping, the cleaning efficiency is greatly improved, bacterium breeding caused by slurry residues can be eradicated, and it is guaranteed that follow-up slurry quality is not polluted from the source; and dual optimization of production efficiency and cleaning maintenance is realized.

The invention discloses a high-toughness carton and a preparation method thereof, and relates to the technical field of papermaking and environment-friendly packaging materials. The carton is made of a high-toughness composite corrugated board, and raw materials of the carton comprise main material pulp fibers, cross-linked modified nanocellulose, a modified starch adhesive, a wet strength agent and a rheology modifier. The cross-linked modified nano-crystalline cellulose is nano-crystalline cellulose of which the surface is grafted with a hyperbranched supramolecular cross-linking agent. According to the method, by preparing the nanocellulose with the surface grafted with the hyperbranched cross-linking agent, a mechanism capable of dissipating energy is constructed in a fiber network, and compared with the prior art, the defect that regenerated fibers are large in brittleness can be effectively overcome, and the dynamic impact toughness of the carton is remarkably improved. By using the modified starch adhesive disclosed by the invention, an adhesive layer has better ductility and interlayer binding force, and when a paperboard is stressed and deformed, the adhesive layer can be deformed along with the deformation and is not easy to break, so that the stability of interlayer binding is favorably kept.

The utility model provides a material adhesive dispensing structure for paper cigarettes, which relates to the technical field of adhesive for cigarettes and comprises an adhesive injection part, an adhesive dispensing table, a vertical slide rail and a horizontal slide rail, the vertical slide rail is used for facilitating sliding of the adhesive injection part, and the horizontal slide rail is used for facilitating sliding of the adhesive dispensing table. The glue injection part is arranged on the vertical sliding rail through a sliding vertical plate, a horizontally-arranged glue dispensing plate is arranged on the glue dispensing table, and the glue dispensing table is arranged on the horizontal sliding rail through a glue dispensing base. According to the material adhesive dispensing structure for the paper cigarettes, the structure is simple, the adhesive dispensing table is moved to the position under the adhesive injection part through the vertical sliding rail and the horizontal sliding rail, the adhesive dispensing position is accurately positioned through the functional probe, the functional probe can obtain an adhesive dispensing image to determine the adhesive dispensing amount after the adhesive dispensing machine dispenses the adhesive, the adhesive dispensing effect of the adhesive is good, and the adhesive dispensing efficiency is high. And the dispensing stability is high.

The utility model relates to the technical field of printed label stickers, in particular to a flame-retardant printed label sticker which comprises a label sticker body, and the label sticker body is composed of a bottom paper coating, a bottom paper layer, an adhesive layer, a thermosensitive layer, a transparent PET base material layer, a printing layer, a flame-retardant layer, an anti-ultraviolet agent layer and a surface laminating layer. The utility model has the advantages that the sticker is guaranteed to be sufficiently supported, and meanwhile, the sticker is prevented from discoloring or fading under the irradiation of sunlight, so that the quality of the sticker is not influenced.

The present application relates to the technical field of container closure manufacturing, and in particular to a closure aluminum foil gasket and a manufacturing method thereof. The method comprises the following steps: taking a paperboard and a polyolefin foam and stacking them according to the appropriate size, coating an adhesive on the contact surface of the two, and forming an upper layer; taking any one of PE, PP and PET film as a middle first layer and a middle third layer, and taking aluminum foil as a middle second layer, and forming a middle layer; taking PE, PP and PET film as a lower first layer and a heat-sealing functional layer, and taking aluminum foil as a lower second layer, and forming a lower layer; and sequentially adhering the upper layer, the middle layer and the lower layer from top to bottom to form a closure aluminum foil gasket. The present application adopts a three-layer composite structure design of upper layer + middle layer + lower layer to realize the optimization of the gasket in structural synergy, manufacturing quality stability and material adaptation flexibility, thereby significantly improving the sealing performance, durability and application range of the closure aluminum foil gasket.

A linerless wash-off label (100) comprising a paper-based face (101, 201) and pressure sensitive adhesive (102) is provided. The paper-based face (101, 201) comprises a base paper (206) and a release layer (203), and the release layer (203) and the pressure sensitive adhesive (102) are arranged on opposite sides of the base paper (206). The pressure sensitive adhesive (102) comprises a water-based acrylic emulsion polymer composition, the pressure sensitive adhesive (102) is sensitive to washing conditions, and the base paper (206) comprises wet strength resin and has water absorptiveness of from 10 to 30 g / m2 when measured according to an ISO standard 535 (contact time 60 s). Further, a label product roll comprising the linerless wash-off labels (100) as well as a labelled item comprising an item and a linerless wash-off (100) label are provided. Still further, use of the linerless wash-off label (100) and method of manufacturing a linerless wash-off label web for providing the linerless label product roll are provided.

The present application relates to a kind of glass fiber filter paper and its preparation method and application.The glass fiber filter paper includes at least three layers of glass fiber layers, and the glass fiber layers between layer and layer are gradient arrangement;Three layers of the outer layer of the glass fiber layer is combined with non-woven fabric layer.The method includes: according to the proportion, at least three kinds of glass fiber, dispersing agent and water are uniformly mixed, and at least three kinds of glass fiber slurry are obtained;At least three kinds of glass fiber slurry are formed on the non-woven fabric laid on the paper forming net, and the glass fiber paper film is formed, is pressed and is initially dried, and at least three layers of dry paper film are obtained;At least three layers of paper film are released at the same speed, at the same time, the non-woven fabric on at least one middle layer paper film is removed, then at least three layers of paper film are glued and combined, and adhesive curing is carried out.The technical problem to be solved is how to make the thickness of glass fiber filter paper less than 0.5mm, the filter material quality less than 110g / m 2 , the breaking strength is higher than 210kPa, while the pollution capacity is higher than 160g / m 2 , and the filtering precision is better than β (10 μm) greater than 300.

The application belongs to the field of electrical insulating materials, and discloses a slot insulating material for a low-altitude aircraft motor and a preparation method thereof. The slot insulating material for the low-altitude aircraft motor comprises, from top to bottom, a first insulating paper layer, a film layer and a second insulating paper layer; the first insulating paper layer and the second insulating paper layer are each independently selected from aramid fiber paper or polyaryl sulfone fiber paper; the film layer is selected from one of polyphenylene sulfide film, polyester film, polynaphthalene ester film, polyether ether ketone film or polyetherimide film; wherein, there is no independent adhesive layer between the first insulating paper layer, the film layer and the second insulating paper layer, the first insulating paper layer and the second insulating paper layer are directly combined on the upper and lower surfaces of the film layer through hot pressing, forming a three-layer glue-free composite structure of insulating paper-insulating film-insulating paper, and fundamentally solving the engineering problem that the glue-free composite slot insulating material is prone to paper breakage.

The present invention provides a system for continuously monitoring and extracting stickies from papermaking white water, and an application for extracting stickies. The system includes a mounting frame, a white water sampling system, a sample pretreatment system, a hot air separation system, a negative pressure extraction system, and an integrated isolation structure. The system uses a sampling port provided on the white water delivery pipeline and a cyclic rotation mechanism of a sampling pulp plate to continuously collect, separate, and extract stickies from the white water. Based on the differences in the physical properties of dissolved wood fiber and stickies, the two are separated using hot air drying and differential adsorption technology. The system is equipped with an intelligent control unit that can monitor changes in stickies content 24 hours a day. The application method includes four steps: continuous extraction, real-time analysis, dynamic feedback control, and adaptive production optimization. The monitoring data is converted into production control instructions to form a closed-loop control system. This effectively reduces the adverse effects of stickies on the papermaking system, and reduces equipment blockages and paper defects.

The invention relates to the technical field of facing artificial boards, in particular to a preparation method of an antistatic flame-retardant facing artificial board, which comprises a decorative paper preparation process, a base material preparation process and a compounding process, and the decorative paper preparation process sequentially comprises the following steps: step 1, obtaining a first raw material and a second raw material; secondly, the first raw material is treated in a blow molding mode, when the first raw material is subjected to blow molding to form a tubular hollow adhesive film and has the temperature of 110-120 DEG C, the second raw material with the temperature of 80-90 DEG C is provided for the outer side film face of the hollow adhesive film, and therefore the hollow decorative paper film is obtained; thirdly, the blow-molded hollow decorative paper film is led and taken; wherein the first raw material comprises a mixed adhesive added with a flame retardant, an initiator and a grafting monomer, and the second raw material comprises paper pulp added with an antistatic agent.

The application discloses a little-gum mica tape which is composed of a reinforcing material layer, a first adhesive layer, a mica paper layer and a second adhesive layer arranged in sequence, and a preparation method thereof. The reinforcing material is pulled through a mica tape machine, the first adhesive is coated on the surface of the reinforcing material, the mica paper is wound and combined with the reinforcing material after pre-baking, the combined material is baked in an oven, then the second adhesive is coated or sprayed on the surface of the mica paper to obtain a semi-finished product, and the semi-finished product is formed after baking in the oven, and the little-gum mica tape is prepared by winding and cutting. The application adds LNBR-820 to improve the poor adhesion between the mica tape layers and the problem that the mica paper and the reinforcing material are prone to delamination. The surface treatment is performed on the side of the mica paper which is not reinforced to solve the problem that the mica paper is prone to flying powder and falling off during the production and use, and the processability of the little-gum mica tape is improved.

The application discloses a kind of melamine impregnated paper decorative panel hot-pressing process for glass magnesium composite board, belongs to decorative panel technical field, including the following steps: decorative paper is dipped into melamine resin adhesive and impregnated, then dried and used, the surface of glass magnesium plate is polished and pretreated, then melamine impregnated paper is laid on the surface of glass magnesium plate after polishing pretreatment, blank plate is obtained, temperature is set to 60±5 ℃, pressure is 9-10MPa, hot-pressing is carried out, hot-pressing time is 20-25 seconds, preheating is carried out, then heated to 110-120 ℃, continue hot-pressing for 2-3min, naturally cooled to 60 ℃±10 ℃, finished product is obtained. By controlling hot-pressing condition and using melamine resin adhesive, the adhesion between materials in hot-pressing process is improved, and the adhesion effect is improved, the covering curl of decorative paper is reduced, and the curing efficiency is improved.

The present invention relates to a double-layered, two-color erasable thermal paper and a preparation method thereof, and relates to the technical field of printing consumables. The two-color erasable thermal paper of the present invention comprises a protective layer, a thermal coating, and a substrate arranged in sequence from top to bottom; the thermal coating comprises a red thermal coating and a black thermal coating arranged in sequence from top to bottom. The red thermal coating comprises the following raw materials: a color developer A, a red thermal dye, a cosolvent A, an erasing aid A, an epoxy resin adhesive, a polyamide curing agent, and a zinc oxide filler; the black thermal coating comprises the following raw materials: a color developer B, a black thermal dye, a cosolvent B, an erasing aid B, an epoxy resin adhesive, a polyamide curing agent, and a zinc oxide filler. The two-color erasable thermal paper of the present invention has a high color density, does not overlap and bleed after repeated erasure, can be completely erased, and can be repeatedly erasable.

This invention discloses a food-grade alkali-free modified starch adhesive for corrugated paper lamination and its preparation method, belonging to the field of adhesive technology. The modified starch adhesive comprises, by weight, 150-250 parts starch, 250-350 parts water, 4-10 parts hydrogen peroxide, 1-5 parts defoamer, 5-10 parts preservative, and 150-200 parts modified ethylene-vinyl acetate copolymer emulsion; wherein the modified ethylene-vinyl acetate copolymer emulsion is prepared by blending cellulose aqueous solution, PVA, filler, and ethylene-vinyl acetate emulsion in a specific ratio. This invention does not use caustic soda or borax throughout the process; all raw materials are food-grade, and the finished product is weakly alkaline, meeting the requirements of GB4806.15-2024. Through synergistic oxidation modification and emulsion compounding, it significantly improves initial tack, bonding strength, and drying speed, resulting in a low scrap rate, good resistance to damp heat and freeze-thaw cycles, and is suitable for high-speed, room-temperature lamination production of food-grade and ordinary corrugated paper.

The utility model discloses a kind of adhesive mixing stirrers for paperboard coating, including stirring tank, the outside of stirring tank is equipped with temperature control component for controlling temperature to adhesive, one end of the temperature control component extends to the inside of stirring tank, the outside of stirring tank is equipped with air-blowing component for air-blowing in stirring tank, one end of the air-blowing component is communicated with one end of temperature control component, the outside of stirring tank is equipped with power component for providing power, one end of the power component extends to the inside of stirring tank, the utility model is by for hot melt adhesive and other temperature sensitive raw materials, system can quickly stabilize temperature to target interval, ensure that adhesive chemical reaction is fully, viscosity is stable, bonding strength and drying speed after coating are all improved, temperature control and stirring collaborative design expand multi-scene application, compatible normal temperature, high temperature, low temperature and multiple types of glue preparation, function applicability is greatly improved compared with traditional equipment.

This invention relates to a two-color erasable thermal paper and its preparation method, belonging to the field of printing consumables technology. The two-color erasable thermal paper includes, from top to bottom, a protective layer, a thermal coating layer, a base layer, and a substrate. The components of the thermal coating layer, by weight, include: 10-20 parts of filler B, 20-40 parts of color developer, 30-50 parts of adhesive resin B, 10-20 parts of dye, and 10-20 parts of temperature-regulating agent. The addition of a temperature-regulating agent to the thermal coating layer of this invention enables reversible erasing and writing, while improving its color retention performance, eliminating the need for sensitizers. The heat-insulating filler used in the base layer layer of this invention is a high-hollow-ratio material, which can enhance heat insulation and improve the heat resistance and sensitivity of the thermal two-color reversible erasable paper.

The corrugated cardboard producing machine (10) comprises reel unwinders (1, 2, 3) for dispensing strips (N1, N2, N3), an adhesive dispenser (4), a press (5), strip paths (11, 12, 13), and a control unit (10a). The first path (11) or the second path (12) crosses the adhesive dispenser (4) to insert adhesive (A) between the first strip (N1) and the second strip (N2) before the first strip (N1) and the second strip (N2) are pressed and pulled out by the first press belt (51) and the second press belt (52), or by the first press belt (51), the first press roller (53), and the second press roller (54). They are stopped and restarted by the control unit (10a) when a length is provided, based on a continuous value which is the desired length of the corrugated cardboard received by the control unit (10a). A machine (1000) and method comprising this machine and a machine (100) for boxing or packaging articles (P).

The invention discloses a preparation method of self-adhesive paper, which comprises the following steps: treating the surface of raw paper by atmospheric pressure plasma to enable the surface of the raw paper to be improved to a level enough to form chemical bonding with a lamination material, so as to obtain target raw paper; on the basis of an electrostatic spinning process, a lamination material containing a nano modifier is deposited on the surface of target body paper, and electrostatic spinning process parameters are controlled to enable the lamination material to form a lamination layer with specific morphological characteristics in the film forming process; coating an adhesive composition containing a photosensitive component and a thermosensitive component on the surface of the lamination layer, and curing to form an adhesive layer; and coating the surface of the adhesive layer with an ultraviolet curing organic silicon composition containing the rheological regulation and control nano filler, and curing to form a release layer to obtain the self-adhesive paper. The peeling strength and ultra-light stable release force between the body paper and the lamination layer are improved, and the problem of glue overflow is effectively avoided while high initial adhesion is realized.

The invention relates to the technical field of thermo-sensitive paper, and provides a thermo-sensitive paper surface adhesive and a preparation method thereof. The preparation method comprises the following steps: adding calcium carbonate, kaolin, nano silicon dioxide and expanded microspheres into deionized water, and adding a dispersing agent for dispersion treatment to obtain composite slurry; the preparation method comprises the following steps: adding chitosan into organic acid to prepare an acid solution of chitosan, then adding the acid solution of chitosan, cationic starch, polyvinyl alcohol and water-based acrylic emulsion into deionized water, stirring and dissolving to obtain a mother solution of the composite water-based adhesive; adding the composite slurry into a composite water-based adhesive mother solution, and stirring to obtain a surface adhesive coating solution; and coating the surface of thermosensitive base paper with the surface glue coating liquid, and carrying out drying treatment to obtain the thermosensitive base paper surface glue. According to the preparation method of the thermosensitive base paper surface adhesive, the heat insulation property, the surface strength, the flatness and the coating adaptability of the base paper are synchronously improved on the premise of not damaging the color development performance of a thermosensitive layer.

The application relates to the packaging and recycling fields, in particular to a degradable temperature control corrugated paper box for cold chain logistics and a recycling method, which comprises a paper box body made of corrugated paper board and at least one biodegradable functional composite film which is separably adhered to the outer surface and / or the inner surface of the paper box body through a water-soluble adhesive layer, the biodegradable functional composite film comprises a hydrophobic surface layer, a phase change heat preservation middle layer and a hydrophilic inner layer, the phase change heat preservation middle layer is dispersed with phase change material microcapsules, an irreversible thermochromic indicating label is arranged on the paper box body or the biodegradable functional composite film, and the application further comprises a recycling method of the degradable temperature control corrugated paper box. The application achieves the technical effects of effectively controlling the temperature in the cold chain logistics, degrading the paper box, facilitating recycling and utilization, reducing environmental pollution, and directly reflecting the temperature condition through the thermochromic indicating label.

The utility model discloses a double-sided adhesive tape without lining paper, and relates to the technical field of adhesive tapes. The lining-paper-free double-sided adhesive tape comprises an adhesive tape body, a limiting frame, a supporting base, a cutting unit and an abutting mechanism. The adhesive tape main body consists of a base material layer, an adhesive layer and a separation layer, and adopts a lining-paper-free design. The lining paper-free double-sided adhesive tape adopts a lining paper-free design, the adhesive force between the lining paper and the adhesive does not need to be considered, and when the adhesive tape is torn off subsequently, the adhesive is not easy to remain, so that the problem that the residual adhesive on an object is difficult to treat is avoided, and the cleanliness and convenience in use are improved. A cutting unit is provided. The adhesive tape main body can be conveniently, quickly and accurately cut off, the problem that the double-sided adhesive tape without lining paper is difficult to cut off is solved, and the use efficiency is improved. The abutting mechanism is arranged, so that the adhesive tape body is prevented from rotating or loosening when not in use, and meanwhile, the stability of the adhesive tape in the operation processes of pulling the adhesive tape, cutting the adhesive tape and the like is guaranteed.

The application discloses a kind of high voltage resistance composite capacitor paper, including base paper and coating layer coated on the surface of the base paper, the coating solution of the coating layer includes the following mass percentage of components: 1-10% of nano starch, 1-10% of nanocellulose, 1-10% of adhesive and 70-96% of water.The application also provides a kind of preparation method of the above-mentioned high voltage resistance composite capacitor paper.The high voltage resistance composite capacitor paper of the application includes base paper and coating layer, and the composite capacitor paper obtained after multi-layer compounding has the characteristics of high voltage resistance, high strength and low impedance.The coating layer of the high voltage resistance composite capacitor paper of the application is prepared by mixing nano starch, nanocellulose and adhesive to obtain high solid content nano coating solution, which effectively ensures the good bonding effect of coating on base paper and the uniformity of coating layer.

The application provides a deinking pulp line slurry adhesive impurity purification system and relates to the technical field of papermaking industry. The inside of the pulping carrier is provided with a processing cavity, and the processing cavity is provided with a cleaning assembly. The cleaning assembly comprises a rotating support cylinder, which is rotatably installed at the middle of the processing cavity. The outer side of the rotating support cylinder is fixedly connected with a connecting belt shaft. The outer side of the connecting belt shaft is fixedly connected with a pulping knife. The one end of the bidirectional screw rod is fixedly connected with a rotating handle. The outer side of one end of the rotating support cylinder is fixedly connected with a limiting angle block. Through the setting of the cleaning assembly, mechanical linkage is realized through adjustment. The adhered adhesive impurities and residual slurry are efficiently scraped through mechanical scratching. The cleaning efficiency is greatly improved. Bacterial growth caused by residual slurry is eliminated. The quality of subsequent slurry is not polluted from the source. The production efficiency and cleaning maintenance are double optimized.

The invention discloses a paper box quality detection system, belongs to the technical field of paper box detection, and solves the problems that in the whole production and manufacturing process of a paper box, time difference and condition dependence exist between the curing process of a starch adhesive and the formation of final bonding strength, so that the bonding part of the paper box seems good when the paper box is off line; however, glue failure occurs only during storage or transportation, namely, the false sticking phenomenon is avoided. Comprising a system control module, a constant current source matrix module, a four-electrode sensing module, a multi-channel signal conditioning module, a digital phase-locked amplification module and a temperature and humidity fusion compensation module. According to the method, the molecular binding state of the adhesive layer is monitored in situ through the four-electrode sensor, the final value of the bonding strength after several hours is predicted within the short time of carton offline by combining the multi-frequency impedance spectroscopy and the curing kinetic model, and interception is triggered immediately when it is detected that the hydrogen bond formation rate is lower than that of prefabrication or water residue exceeds the standard; and the phenomenon that a false adhesion phenomenon cannot be identified due to a time difference formed by apparent curing and real strength is avoided.

The utility model relates to a self-adhesive label paper processing die-cutting mechanism, which belongs to the technical field of label paper processing and comprises a support, a processing table, a vertical plate and a top plate, and a die-cutting component is arranged between the processing table and the top plate. The die cutting assembly comprises a hydraulic cylinder, a mounting plate is fixedly mounted on an output shaft of the hydraulic cylinder, a die cutting tool is fixedly mounted at the bottom of the mounting plate, and a cleaning mechanism is arranged on the outer side of the die cutting tool. The cleaning mechanism comprises an electric push rod, a connecting piece is fixedly mounted on an output shaft of the electric push rod, and a mounting frame is detachably mounted on the outer side of the connecting piece. According to the self-adhesive label paper processing die-cutting mechanism, the effect of facilitating cleaning is achieved, the cutting effect of a die-cutting tool is guaranteed, and the problems that in the continuous label paper cutting process of the die-cutting tool, some adhesives on label paper can be attached to the surface of the die-cutting tool, the cutting effect of a blade is affected, the die-cutting efficiency is reduced, and the production cost is reduced are solved. And inconvenience in use is caused.

The present invention relates to the field of binding adhesive tapes, and more particularly, to a tensile degradable environment-friendly fiber-sandwiched kraft paper adhesive tape and a manufacturing process therefor. Wherein the kraft paper adhesive tape includes a kraft paper layer and an adhesive layer, and a reinforcing layer provided on the kraft paper layer. The kraft paper layer is formed by stacking at least two layers of kraft paper, and the reinforcing layer is provided between two adjacent layers of kraft paper of the kraft paper layer. The reinforcing layer includes several yarns, and the yarns are adhered in the kraft paper layer by a composite glue, so that a fiber-sandwiched structure composed of yarns is formed in the kraft paper layer, which can improve the structural stability, the tensile and tearing strength of the kraft paper adhesive tape. In addition, it is advantageous for environmental protection.

The present application relates to the technical fields of circuit board manufacturing, and particularly relates to a buffer device for uniform pressing of multi-layer circuit board, which comprises a fixed frame, a pressing assembly is arranged on the upper surface of the top plate, a mold assembly is arranged on the inner surface of the pressing assembly, a buffer assembly is arranged on the outer surface of the mold assembly, and a layout assembly is arranged on the upper surface of the buffer assembly. The buffer device for uniform pressing of multi-layer circuit board is provided with the buffer assembly and the layout assembly, and the circuit board needs to be laid out. The new kraft paper is anti-skid, the high-expansion steel plate buffers the pressure, the semi-cured sheet is heated and melted to bond and fix the circuit board. When pressing, the pressing plate drives the upper mold, the pressure is compressed by the buffer pad, the sliding plate and the connecting block, the damper converts and consumes the energy, the high-expansion steel plate, the semi-cured sheet and the new kraft paper jointly act to uniformly distribute the pressure, the multi-layer uniform pressing is realized, the thickness balance and the adhesive uniformity are ensured, and the circuit board damage is reduced.

The invention belongs to the field of corrugated board processing, and particularly relates to a processing method of an enhanced corrugated board, which comprises the following steps: respectively carrying out preheating and humidity adjusting treatment on surface paper, core paper and inner paper; mixing the modified basalt fiber and nano silicon dioxide according to a mass ratio of 3: 1-5: 1, adding a silane coupling agent, and performing ultrasonic dispersion to prepare a composite reinforcing agent; the pretreated paper wood forms a corrugated structure through a corrugated forming machine, and primary compounding is conducted through a starch adhesive; a composite reinforcing agent is applied in the compounding process, and the reinforcing agent is promoted to be uniformly distributed among the paperboard layers by adopting an electric field assisted permeation technology; carrying out surface plasma treatment and waterproof coating application on the molded paperboard; through deep fusion of materials, structures and processes, a product is upgraded from a basic packaging material to a high-performance composite functional material; and the produced corrugated board has the comprehensive advantages of high strength, moisture resistance, durability and the like.

The invention discloses a method for quickly removing glue on a net part guide roller, which comprises the following steps: a pretreatment stage: adding a debonding agent into a recycling pulp tank and a long fiber transition pulp tank, and adding a glue control enzyme into a discharging pulp tank, so as to carry out debonding dispersion and enzymolysis decomposition treatment on the glue in pulp; in the terminal protection and removal stage, a guide roller anti-sticking agent is added to a bottom net correction roller and a bottom net tensioning roller so as to remove stickers attached to the surfaces of the bottom net correction roller and the bottom net tensioning roller, and a protection layer is formed; and in the dynamic regulation and control stage, the content of the stickies, the adhesion amount of the stickies on the scraper and the surface cleanliness of the guide roller are monitored in real time, and the adding amounts of the debonding agent, the stickies control enzyme and the guide roller anti-bonding agent are adjusted according to the monitored data, so that dynamic adaptation of early-stage large-amount purification and later-stage reduction and energy conservation is achieved. According to the method, through the synergistic effect of the composite agent and dynamic precise regulation and control, full-process control of source viscosity reduction, terminal viscosity removal and continuous adhesion prevention is achieved, the removal rate of stickies is increased, broken paper and flaws are reduced, and meanwhile the treatment cost is remarkably reduced.