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38results about "Old paper after-treatment" patented technology

Multifunctional protection liquid for paper presswork and preparation method of multifunctional protection liquid

PendingCN121205032ACoatings with pigmentsOld paper after-treatmentCelluloseUltraviolet
The embodiment of the invention discloses a multifunctional protection liquid for a paper printed matter and a preparation method of the multifunctional protection liquid. The multifunctional protection liquid is prepared from the following components in percentage by weight: 0.1 to 1 percent of sodium carboxymethyl cellulose, 0.1 to 1 percent of gelatin, 0.1 to 0.5 percent of chitosan, 0.01 to 0.05 percent of nano metal oxide and the balance of water. According to the invention, a composite ultraviolet screening agent compounded by nano titanium dioxide and zinc oxide is adopted, so that full-wave-band ultraviolet screening is realized, and the anti-ultraviolet effect is more excellent than that of a single nano material. Sodium carboxymethyl cellulose is adopted to replace hydroxyethyl cellulose, so that the cost is further reduced, dangerous chemicals are not used, the danger in the preparation process of the protection liquid is reduced, and the protection liquid has a relatively good application prospect.
Owner:BEIJING LIANXING SHENGYE PRINTING CO LTD

A method for deacidification and reinforcement of paper with a vaterite-type calcium carbonate and modified nanocellulose

ActiveCN118127855BPaper recyclingOld paper after-treatmentTriethoxysilanePaper sheet
The present application belongs to the technical field of paper deacidification, and particularly relates to a method for deacidifying and reinforcing paper by using nanocellulose and vaterite calcium carbonate. The method uses vaterite calcium carbonate as a deacidifying agent and γ-aminopropyl triethoxysilane modified nanocellulose as a reinforcing agent to achieve deacidification and reinforcement of paper. The concentration of the vaterite calcium carbonate dispersion is 5-20 g / L, the concentration of the modified nanocellulose dispersion is 0.5-5 g / L, and the dispersing agents for both are ethanol. The method has good deacidification, reinforcement and anti-aging effects on paper.
Owner:CHANGZHOU UNIV

Reinforcing and protecting material for paper cultural relics and application of reinforcing and protecting material

The invention discloses a reinforcing and protecting material for paper cultural relics and application of the reinforcing and protecting material. According to super-hydrophobic treatment liquid, silicon dioxide nanoparticles are modified through a silane coupling agent and a perfluoroalkyl trialkoxysilane coupling agent, an extremely low surface energy layer is constructed, and water is effectively prevented; the reinforcing treatment liquid adopts cellulose derivatives to form a hydrogen bond network with paper cellulose, so that the mechanical strength is remarkably improved. The hydrophobic property and the mechanical property are kept stable after dry-heat and damp-heat accelerated aging, and long-term preservation of cultural relics is facilitated. The design of the coating follows the principle of reversibility, the super-hydrophobic layer and the reinforcing layer are microcosmically firm and macroscopically integrally stripped, the super-hydrophobic layer and the reinforcing layer can be removed in a lossless mode through absolute ethyl alcohol and other mild solvents, the surface of the paper is restored to be close to the state before treatment, and a base material is not damaged or the appearance of the base material is not changed.
Owner:SHAANXI UNIV OF SCI & TECH

An ai-based protection and restoration method for lingnan historical building murals

The application discloses a kind of based on AI Lingnan historical building mural protection restoration method, comprising: step 110, obtaining the mural image data to be repaired, and the data is preprocessed;Step 120, the preprocessed data is input into mural restoration model;Step 130, the mural restoration model is based on the preprocessed data input to generate virtual reinforcement layer for mural hollow area, using physical engine simulates stress distribution under the action of gravity, obtains the image after structure repair;Step 140, the image after structure repair is based on style migration reconstruction missing pattern, obtains surface recovery image;Step 150, based on visual fusion to the surface recovery image color recovery, obtains the image after repair;Step 160, the image after repair is compared with original image and historical data, check whether the image after repair meets requirements.The application solves the problem of excessive dependence on expert knowledge reserves and experience, realizes the disease site of quick and accurate determination.
Owner:广东省粤建装饰集团有限公司 +1

Fiber transfer ancient book reinforcing device

ActiveCN223853070UCleaning using toolsOld paper after-treatmentFiberStructural engineering
The utility model discloses a fiber transfer ancient book reinforcing device, and relates to the technical field of ancient book repair, the fiber transfer ancient book reinforcing device comprises a base and a fixing frame, the base is provided with a slide rail, the fixing frame is slidably connected to the slide rail through a synchronous transmission belt, the fixing frame is connected with a transfer roller and a feeding roller through bearings, the fixing frame is provided with a material groove, and the material groove is provided with a material outlet. The bottom of the feeding roller extends into the trough; and a sliding rod is moved rightwards, so that a scraping strip moves on the bottom plate, dust on the bottom plate is conveniently cleaned, and the efficiency of repairing and reinforcing the ancient book paper is improved.
Owner:CHIFENG UNIV

File repairing and arranging device

ActiveCN223633703UOld paper after-treatmentScrew threadWaste material
The utility model provides a file repairing and arranging device, which relates to the technical field of file collecting and managing equipment and comprises a workbench, a first fixing table and a second fixing table are fixedly mounted on two sides of the workbench respectively, and the top of the first fixing table and the top of the second fixing table are rotatably connected with screws through bearings. And the periphery of the screw rod is in threaded connection with a threaded block. According to the file supporting device, on one hand, the clamping plates are fixedly installed on the two sides of the workbench and used in cooperation with the supporting plates, automatic adjustment can be conducted according to the sizes of files, and uniform and stable supporting is provided for the files of different sizes; the problems of file displacement, curl or distortion and the like in the file processing process are avoided; and on the other hand, the waste recovery device is arranged at the bottom of the workbench, waste generated in the repairing process can be effectively collected and treated, it is guaranteed that chemical substances used in the repairing process and waste generated by the chemical substances cannot flow into the environment, and pollution to the environment is reduced to a certain degree.
Owner:LU XUN ACADEMY OF FINE ARTS

Multifunctional all-in-one machine for repairing ancient books

The utility model discloses a multifunctional all-in-one machine for repairing ancient books, which comprises a working table main body, a mechanical arm arranged at the center of the top of the working table main body, a multifunctional module arranged at the free end of the mechanical arm, an original part area arranged on the left side of the mechanical arm, a cutting area arranged on the right side of the mechanical arm, a control table arranged on the right side of the working table main body, and an identification mechanism arranged on the rear side of the original part area. The ancient book repairing device is suitable for the technical field of ancient book repairing, automatic collection and recognition processing of original book notches are achieved by designing the recognition mechanism, function switching and spatial position changing of the multifunctional module are controlled through the mechanical arm, the multifunctional module can achieve cutting, adsorption, gluing, pasting and flattening of repairing paper, and the repairing efficiency is improved. Waste of manpower and material resources is reduced, ancient book repairing efficiency and effect are improved, and use is more convenient.
Owner:BEIJING YOUWEN TECH CO LTD

Paper deacidification liquid and preparation method thereof

PendingCN121496790AChemical/biochemical paper treatmentOld paper after-treatmentActive agentPerfluoropolyether
The invention relates to a paper deacidification liquid and a preparation method thereof, the paper deacidification liquid comprises a fluorocarbon deacidification liquid and an alkaline deacidification substance, the fluorocarbon deacidification liquid comprises, by volume, 1-10% of perfluoropolyether, 10-30% of a perfluoroether solvent and 60-89% of perfluorohexanone, and the ratio of the mass of the alkaline deacidification substance to the volume of the fluorocarbon solvent is 0.1-10 g / L. According to the fluorine-containing paper deacidification liquid, a synergistic effect is generated by virtue of opposite electrostatic potentials of perfluoroether and perfluoroketone, a steric hindrance effect is formed by virtue of perfluoropolyether with a long molecular chain, and the fluorine-containing paper deacidification liquid with high-stability suspension dispersion is obtained without depending on perfluorocarboxylate and perfluorosilane surfactants. The pH value and the alkali storage capacity of the treated paper are remarkably improved, meanwhile, the paper cannot be wrinkled and adhered, and the color difference, the tensile strength and the handwriting change of the paper are not obvious. The adopted fluorine-containing solvent is high in inertia, rapid in volatilization, low in price and suitable for large-scale paper deacidification treatment.
Owner:NANJING TECH UNIV

Method and apparatus for uniform deacidification of extra-thick paper

The application discloses a uniform deacidification method and deacidification device for extra-thick paper, which comprises the following steps: pretreating the extra-thick paper to be deacidified; performing a mist moistening deacidification operation on the pretreated extra-thick paper; keeping the humidity and temperature around the extra-thick paper unchanged during the mist moistening deacidification operation; and keeping the humidity and temperature around the extra-thick paper unchanged after the pH of the extra-thick paper reaches a preset value. Through the humidification and heat preservation pretreatment of the paper, the capillary pores of the paper can absorb part of the water, so as to open the gap between the capillary pores, thereby helping the deacidification agent to penetrate into the deep part of the paper. Meanwhile, the humidity and temperature around the paper are monitored and adjusted, so that the paper is always in the state of being most easy to absorb the deacidification agent, and the deacidification agent paper cross-section direction conveying channel is effectively formed, thereby ensuring that the deacidification agent can uniformly penetrate into the interior of the paper even for the extra-thick paper.
Owner:HANGZHOU ZHONGCAI TECH CO LTD

Water-saving shaking paper pulp hole filling machine

The utility model relates to a water-saving shaking paper pulp hole filling machine which comprises a paper pulp frame, the side middle portion of the paper pulp frame is rotationally connected to a fixing frame through a connecting shaft so that the paper pulp frame can shake up and down relative to the fixing frame in the front-back direction, and a temporary positioning piece is arranged between the paper pulp frame and the fixing frame. When the paper pulp frame is in the horizontal position, the paper pulp frame can be connected with the fixing frame for positioning or released from the fixing frame; the paper pulp frame comprises a frame body, the bottom of the frame body is connected with a transmission light plate in a sealed mode, a light source is arranged at the bottom of the transmission light plate, a filter screen covers the portion, above the transmission light plate, in the frame body, and the upper edge of the filter screen and the frame body are arranged in a sealed mode through a first flexible film to separate out an under-screen space and an on-screen space. The outside of the liquid drainage hole is connected with a water suction machine through a hose, and a plurality of movable second flexible rubber sheets are arranged in the space on the net so as to be matched with the first flexible rubber sheets to seal and position the repair paper. The water-saving shaking paper pulp hole filling machine has the advantages of being simple in structure, low in cost, easy and convenient to operate, capable of saving water and the like.
Owner:SHANDONG QIYUAN INFORMATION TECH CO LTD

Method for removing mildew spots on back coating of mildewed black-and-white photographic negative film and application

PendingCN121205035AOld paper after-treatmentCellulosePolymer science
The invention belongs to the technical field of file repair and protection, and relates to a method for removing mildew spots on a back coating of a mildewed black-and-white photographic negative film and application. The removal method comprises the following steps: S1, dedusting, cleaning and airing the mildewed black-and-white photographic negative film to complete pretreatment; s2, coating an ethyl cellulose solution on an emulsion layer of the pretreated mildewed black-and-white photographic negative to naturally form a film so as to protect the emulsion layer; and S3, further smearing a proteolytic enzyme solution on the back coating surface of the mildewed black-and-white photographic negative film, and after reaction for 20-30 minutes, cleaning and airing to obtain the mildewed black-and-white photographic negative film. The method disclosed by the invention can be used for mildly removing mould bred on the back coating of the negative film and is good in safety; the growth environment of mould can be destroyed, so that mould relapse is prevented.
Owner:SHAANXI NORMAL UNIV

File arrangement and restoration device

ActiveCN223974423UMechanical working/deformationOld paper after-treatmentRestoration deviceBrush
The utility model relates to the technical field of file repairing and arranging, and discloses a file arranging and repairing device which comprises a workbench, a glass plate is fixedly connected in the workbench, a supporting block is fixedly connected to the upper surface of the workbench, and an electric push rod is fixedly connected to the upper surface of the supporting block. And the output end of the electric push rod is fixedly connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a fixing seat, the lower surface of the fixing seat is fixedly connected with a brush, the inner wall of the connecting plate is provided with a vibration buffering assembly, and the vibration buffering assembly comprises a second telescopic rod. According to the vibration damping device, the vibration damping effect on the connecting plate in the horizontal direction is achieved through the third telescopic rod and the third spring which are fixedly connected to the inner wall of the connecting plate, at the moment, the second telescopic rod supports and guides the second spring on the inner wall of the connecting plate, and therefore the vibration damping effect is achieved through elastic deformation of the spring. And the brush can adapt to the uneven surface of the file.
Owner:SHANDONG GUOTAI ARCHIVES TECH CO LTD

Book paper repairing equipment and method for library

The invention discloses book paper repairing equipment and method for a library, and relates to the technical field of paper repairing. According to the book paper repairing equipment for the library and the repairing method, through an automatic smoothing and rolling execution structure, the operation mode of manual wrinkle smoothing and handheld pressure maintaining in the prior art is completely replaced, the hands of workers do not need to enter a repairing operation area in the operation process, and the repairing efficiency is improved. The clamping injury risk caused by contact between a pressing plate and the hand of a worker during operation of traditional pressing equipment is thoroughly avoided, through cooperative operation of an atomization spray head of the infiltration mechanism and a smoothing piece, paper wrinkles are evenly infiltrated through atomized water mist to reduce the rebound rotation stress, and then through a spring self-adaptive pressure maintaining structure of an elastic mechanism, the paper wrinkles are evenly infiltrated through the smoothing piece. The flattening piece and the surface of the paper keep constant attaching pressure in the whole flattening operation process, the flattened wrinkles are continuously subjected to pressure maintaining and shaping, and the long-term flattening effect after paper repairing is guaranteed.
Owner:XIANNING VOCATIONAL TECHN COLLEGE +1

File mounting device

ActiveCN223576853UOld paper after-treatmentCleaning using gasesStructural engineeringWorkbench
The utility model provides a file mounting device which comprises a vertical frame, a workbench is arranged at the bottom of one side of the vertical frame, a plurality of air cylinders are arranged at the top of one side of the vertical frame and located above the workbench, the telescopic ends of the bottoms of the air cylinders are fixedly connected with a movable frame, a pressing and holding mechanism is arranged on one side of the interior of the movable frame, and the pressing and holding mechanism is fixedly connected with the movable frame. And an adsorption mechanism is arranged on the other side of the interior of the movable frame. Compared with the prior art, the file pressing and holding device has the advantages that files of different sizes on the workbench can be pressed and held through the design of the pressing and holding mechanism and the pressing and holding piece, meanwhile, the adsorption mechanism can adsorb and collect chipping particles generated in the repairing process, and diffusion and pollution of the chipping particles are avoided.
Owner:刘小玲

Paper cultural relic protecting and repairing method based on film transfer method

PendingCN121295551AMicroorganism based processesOld paper after-treatmentPolymer scienceEngineering
The invention relates to the technical field of cultural relic restoration, in particular to a protection and restoration method for paper cultural relics based on a film transfer method. The method comprises the following steps: coating the surface of a water-based filter membrane with a bacterial cellulose repairing agent to form a BC repairing membrane on the water-based filter membrane; and the BC repairing film is transferred to the surface of the to-be-reinforced paper cultural relic, drying is conducted, the water-based filter film is removed, and the reinforced paper cultural relic is obtained. Compared with an instillation method, the method has the advantages that the paper cultural relics are integrally repaired and reinforced by adopting a film transfer method, the BC coating amount is smaller, the coating is more uniform, the permeability is higher, a breathable BC repairing film can be formed on the surface of the paper, the BC enables hydrogen bonds to be more tightly combined with the paper through film transfer, and the cultural relic protection and repairing principle of minimum intervention is met. The tensile index, the folding strength and the tearing index of the reinforced paper cultural relic prepared by adopting the film transfer method provided by the invention are remarkably improved, the pH value is also improved compared with that of a blank paper sample, and the comprehensive mechanical property is excellent.
Owner:NANJING MUSEUM

Ancient book spraying repair method based on fluid shear thinning characteristic

ActiveCN121951964AOld paper after-treatmentFluid shearWheat starch
The invention discloses an ancient book spraying repair method based on a fluid shear thinning characteristic, and belongs to the technical field of cultural relic protection and repair. The repairing method provided by the invention comprises the following steps: preparing a wheat starch solution with the mass concentration of 1% as a repairing solution; the repairing liquid is pumped into a nozzle and accelerated at an outlet of the nozzle to form jet flow; the jet flow impacts the surface of the ancient book paper translating at a constant speed to form a wet film, and the wet film is dried to form a dry film reinforcing layer. Through cooperation of process links such as repair liquid concentration, repair liquid flow, a nozzle structure and ancient book translation speed, the repair liquid permeates into ancient book paper in a lossless manner under low pressure, the viscosity is reduced at the moment of impact by utilizing the shear thinning characteristic of the repair liquid so as to facilitate permeation, then the high viscosity is recovered under the driving of the ancient book paper so as to stabilize a film layer, and the repair effect is improved. And uniform, accurate and lossless repairing liquid coating on the surface of the ancient book paper is realized.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Method for manually dropwise supplementing water-less paper pulp for water-sensitive paper cultural relics

PendingCN121138064APaper recyclingOld paper after-treatmentPolyesterFiber
The invention discloses a water-deficient paper pulp manual dropwise supplementing method for a water-sensitive paper cultural relic. The method comprises the following steps: (1) carrying out dry cleaning on a paper sheet to be repaired; (2) carrying out moistening treatment on the paper sheet by adopting a Sympatex material; and (3) sequentially laying absorbent paper and Hollytex polyester fiber cloth on a vacuum adsorption table, then adsorbing the paper sheet to be repaired on the surface of the Hollytex polyester fiber cloth under the action of vacuum adsorption, continuously carrying out dropwise supplementing on the paper sheet by using the paper pulp under the action of vacuum adsorption until the thickness of the paper pulp is close to the thickness of the original paper sheet, drying, and flattening to finish repairing. According to the method, a Sympatex material is adopted to moisten the paper sheets, so that the humidity of the paper sheets can be effectively adjusted, and the surfaces of cultural relics are not damaged; in the dripping repair process, the Hollytex polyester fiber cloth is adopted as a supporting body, and a vacuum adsorption auxiliary infiltration process is combined, so that the bonding strength between the paper pulp and the paper can be effectively improved, and the repair strength is improved.
Owner:CHINA ACAD OF ART

A fragile paper cultural relic reinforcing liquid and a preparation method and application thereof

The application discloses a fragile paper cultural relic reinforcing liquid and a preparation method and application thereof, and belongs to the technical field of cultural relic protection. The method is characterized in that: cellulose ether is dissolved in deionized water to prepare a series of concentration solutions, and the cellulose ether is uniformly applied to the surface of fragile paper by controllable spraying technology after surface cleaning and flattening pretreatment. Through orthogonal experiment, it is determined that 1% concentration cellulose ether is the optimal reinforcing agent, can form a stable hydrogen bond network with paper cellulose, and can significantly improve the tensile strength, tear resistance and folding endurance of the paper without changing the original structure and introducing harmful substances. After reinforcement, the handwriting is clear and the color is stable, and the performance retention rate is high after dry heat and wet heat aging. The raw materials used are green and environmentally friendly, widely sourced, and the process is simple and low in cost, and is suitable for large-scale reinforcement of various fragile paper cultural relics.
Owner:SHAANXI UNIV OF SCI & TECH

Ancient book Xuan paper rapid drying machine

ActiveCN224313962UOld paper after-treatmentIndustrial engineeringPaper sheet
The utility model relates to the technical field of ancient book restoration, and the utility model provides ancient book rice paper quick baking machine, it includes the baking shell, the baking shell upper side has the baking surface, the baking shell has the mounting groove, the mounting groove is located the below of baking shell, the baking shell has the flow guide groove, the flow guide groove is located the four -around of baking surface, heating assembly sets up in mounting groove, the baking surface is used for drying ancient book rice paper, the flow guide groove is used for collecting the water liquid on the baking surface. Solve the technical problem that ancient book restoration in the prior art rice paper restoration is easy to be wrinkled and damaged, ensure the integrality of paper when ancient book restoration.
Owner:SHIJIAZHUANG YONGTAI MOUNTING MASCH CO LTD

Multifunctional fogging agent for ancient book restoration, preparation method and application thereof

ActiveCN117188200BWith deacidificationwith reinforcementPaper/cardboardOld paper after-treatmentCoffee ring effectAnti bacterial
This invention discloses a multifunctional atomizing agent for ancient book restoration, its preparation method, and its application, belonging to the field of ancient book preservation technology. The atomizing agent is a mixed solution containing chitosan quaternary ammonium salt and zirconium carbonate. The method for treating ancient books using this atomizing agent is as follows: after cleaning the ancient books to remove impurities, they are placed in a sealed deacidification device. The mixed solution of chitosan quaternary ammonium salt and zirconium carbonate is atomized and then introduced to spray the pages of the ancient books. The books are then dried in a ventilated environment at ambient temperature to complete the treatment. The atomizing agent and treatment method of this invention have multifunctional effects on ancient books, including deacidification, strengthening, consolidation, antibacterial properties, and anti-aging. It avoids the uneven treatment caused by the coffee ring effect and phenomena such as yellowing and fading. Furthermore, it simplifies the ancient book restoration process, enabling one-step atomization, significantly shortening the processing flow, reducing processing operations, shortening the processing cycle, and significantly improving processing efficiency.
Owner:SUN YAT SEN UNIV

A hydrogel loaded with CM dispersion, its preparation method and application

ActiveCN119591945BOld paper after-treatmentCelluloseGlycerol
This invention belongs to the field of paper cultural relic preservation technology, specifically relating to a hydrogel loaded with C-M dispersion, its preparation method, and its application. The preparation method includes the following steps: preparing an aqueous solution of sodium carboxymethyl cellulose, stirring the solution until it becomes clear and transparent; preparing a nano-magnesium hydroxide ethanol dispersion; mixing the two solutions in equal volumes and stirring until homogeneous to obtain a C-M dispersion; taking low-acyl gellan gum, gelatin, and glycerol, adding distilled water, swelling for 30 minutes, adding calcium acetate to obtain a hydrogel solution; mixing the C-M dispersion and the hydrogel solution, stirring until homogeneous, and heating in a microwave oven for 3-5 minutes until the solution becomes clear and transparent; transferring the solution to a mold while hot, and cooling to obtain a hydrogel loaded with C-M dispersion.
Owner:LIAONING UNIVERSITY

Paper reinforcing liquid, its preparation method and application

ActiveCN117702535BPaper recyclingOld paper after-treatmentPolymer scienceOrganosolv
The application discloses a paper reinforcing liquid and a preparation method and application thereof. According to mass percentage, the paper reinforcing liquid comprises the following components: 0.1-20wt% of bacterial cellulose, 2-50wt% of N-methylmorpholine-N-oxide, 0.01-0.5wt% of an antioxidant and the rest of an organic solvent. The paper reinforcing liquid has good storage stability, and the paper obtained by using the paper reinforcing liquid in paper (especially paper cultural relics) reinforcement is not prone to deformation, wrinkling and other problems; in addition, the paper reinforcing liquid can be used for batch processing of books and other multi-page paper cultural relics.
Owner:NAT LIBRARY OF CHINA (NAT LIBRARY OF CHINA NAT ANCIENT BOOKS CONSERVATION CENT OF CHINA NAT CLASSICS MUSEUM)

Restoration materials and applications for paper murals, and methods for restoring paper murals.

ActiveCN119615670BOld paper after-treatment
This invention discloses a restoration material and its application for paper murals, as well as a restoration method for paper murals, relating to the field of cultural relic restoration technology. It includes a consolidating agent and a penetrating softening agent, with the consolidating agent concentration being 3-6 wt.%. The consolidating agent comprises acrylic emulsion, and the penetrating softening agent comprises 1-4% ethanol. By using acrylic emulsion as the consolidating agent, combined with a low concentration of ethanol for penetrating softening, the paper mural can be softened and consolidated simultaneously, reducing restoration steps and difficulty, while avoiding secondary damage during the restoration process. Furthermore, by selecting acrylic emulsion as the restoration material for paper murals and controlling the concentration of the consolidating agent, the restoration material becomes colorless and transparent after drying, and the restored surface has no glare, exhibiting excellent restoration results.
Owner:CHINA ACAD OF CULTURAL HERITAGE

Water-resistant ink file washing deacidification reinforcing machine

ActiveCN224351027UOld paper after-treatment
The utility model relates to a kind of water-resistant writing archives washing deacidification reinforcing machine, the water-resistant writing archives washing deacidification reinforcing machine, including rack, water-washing liquid tank and liquid collecting tank are sequentially arranged in succession from front to back on rack, water-washing liquid tank is the arc-shaped groove of radian setting along front-back direction, lower supporting mesh belt is arranged along its groove type on the upper portion of arc-shaped groove and liquid collecting tank, upper pressing mesh belt is arranged on the upper portion of lower supporting mesh belt corresponding to the middle position of water-washing liquid tank, to form transmission gap between lower supporting mesh belt, upper pressing mesh belt and lower supporting mesh belt are driven by upper drive component and lower drive component respectively, to when water-washing tank is loaded with deacidification liquid, upper pressing mesh belt can be matched with lower supporting mesh belt to transport paper immersed in deacidification liquid to rear through transmission gap, drying component is arranged on the upper portion of lower supporting mesh belt corresponding to the position of liquid collecting tank, to can dry the paper transported from front to carry out drying treatment.The water-resistant writing archives washing deacidification reinforcing machine has the advantages of continuous, uniform paper deacidification reinforcement, and paper is not easy to be damaged.
Owner:SHANDONG QIYUAN INFORMATION TECH CO LTD

File flattening and repairing tool

The utility model provides a file flattening and repairing tool, which belongs to the technical field of file repairing and comprises a base, a vertical plate is connected onto the base, and the top of the vertical plate is connected with a flattening component. The flattening assembly comprises two side plates which are arranged in parallel, a cross rod is rotationally connected between the two side plates, the cross rod is sleeved with a flattening piece, and the flattening piece can rotate along the cross rod; a pressing plate is arranged at the bottom of the flattening assembly, the pressing plate is slidably connected with the vertical plate, the pressing plate can vertically slide along the vertical plate, and the bottom of the flattening piece abuts against the pressing plate; a storage table is arranged at the bottom of the pressing plate and is in sliding connection with the base. According to the file flattening device, the flattening assembly is matched with the pressing plate and the storage table, files between the pressing plate and the storage table can be flattened by rotating the pressing rod, and the file flattening device is simple in structure, not prone to damage and higher in efficiency.
Owner:山东省食品药品审评查验中心

A method for sealing inscriptions on cultural relics during restoration

PendingCN122082287AOld paper after-treatmentFiberPolymer science
This application relates to the field of cultural relic restoration, specifically disclosing a method for sealing inscriptions on cultural relics during restoration. The method includes the following steps: heating menthol crystals until completely melted to obtain a menthol melt; then applying the menthol melt to the inscriptions to be sealed; and finally, after the menthol melt cools and solidifies, the sealing is complete. This method utilizes menthol crystals instead of cyclododecane, effectively sealing the inscriptions on cultural relics. The sealed inscriptions exhibit significant water resistance, do not diffuse upon contact with water, and improve the tensile strength of the simulated archival paper after restoration and mounting. Simultaneously, it has no negative impact on paper fibers, and leaves no residual new chemical substances on the paper.
Owner:NINGBO DAHONGYING UNIV

Cellulose-based multifunctional composite material capable of reinforcing paper and enhancing hydrophobicity of paper after paper is deacidified

PendingCN120989941ANon-fibrous pulp additionChemical/biochemical paper treatmentCelluloseFiber
The invention discloses a cellulose-based multifunctional composite material capable of reinforcing paper and enhancing hydrophobicity after paper is deacidified, and belongs to the technical field of historical ancient paper cultural relic protection and composite multifunctional materials. The preparation method comprises the following steps: firstly preparing a cellulose-based grafted fluorine-containing copolymer, and then mixing and reacting the cellulose-based grafted fluorine-containing copolymer with a metal hydroxide precursor to obtain the cellulose-based multifunctional composite material. According to the method, the similarity between fluorine-containing cellulose fragments in the multifunctional composite material and the paper composition and structure is utilized, the multifunctional composite material is promoted to permeate into paper fiber gaps and be combined with paper cellulose in the paper deacidification process, and very good reinforcing and hydrophobic effects are achieved, so that after the paper is subjected to deacidification treatment, the paper is not prone to falling off, and the paper quality is improved. According to the present invention, with the application of the multifunctional composite material, the paper has characteristics of excellent mechanical strength, excellent hydrophobicity, alkalescence and high alkali storage capacity, and the multifunctional composite material has good dispersion in the fluorocarbon medium so as to be widely used in the paper deacidification.
Owner:NANJING UNIV +2

Repair device capable of being used for batch automatic atomization and deacidification of single-page literatures

PendingCN121827138AChemical/biochemical paper treatmentPaper/cardboardPolyesterElectric machinery
The invention discloses a repairing device capable of being used for batch automatic atomization deacidification of single-page literatures. The device comprises a support, a conveying mesh belt, a paper feeding area stainless steel bracket, a spraying device, a mist suction device, an automatic paper feeding device, an automatic paper receiving device, a sensor, a negative pressure fan, a stepping motor and a protective cover. The motor is installed in the stainless steel support, and the device is divided into a paper feeding area, a buffering area, a repairing area and a paper discharging area. The paper feeding area is a bracket for storing single-page literature materials to be processed; the buffer area is an open area arranged between the paper feeding area and the repairing area, and paper sheets are conveyed to a conveying mesh belt made of polyester materials through the automatic paper feeding device and move towards the repairing area through the buffer area. The device is simple in structure, low in cost, capable of achieving large-scale automatic repairing of single-page literature materials, uniform and controllable in repairing effect, flexible in parameter adjustment, high in repairing speed and suitable for deacidification and repairing of the single-page literature materials of various sizes and aging degrees.
Owner:SOUTH CHINA UNIV OF TECH

Ancient book protecting and repairing device convenient to adjust

ActiveCN223607652UOld paper after-treatmentStructural engineeringMechanical engineering
The utility model relates to the technical field of ancient book protection, and discloses an ancient book protection and repair device convenient to adjust, which comprises a protection box, a top cover is hinged to the rear end of the top of the protection box, a metal carrier plate is arranged in the protection box, and a first rotating shaft is fixedly inserted into the front end of the metal carrier plate. The left and right ends of the first rotating shaft are rotatably mounted on the left and right inner walls of the protection box respectively, a second sliding rail is fixedly mounted on the bottom inner wall of the protection box, a second lead screw is arranged between the metal carrier plate and the second sliding rail, and the front and rear ends of the second lead screw are rotatably inserted into the front and rear walls of the protection box respectively; and the effect of adjusting the inclination angle of the pages of the ancient books arranged on the metal carrier plate is achieved, workers can conveniently repair the ancient books, and the practicability of the device is effectively improved.
Owner:HARBIN UNIV OF COMMERCE