100 results about "Paper manufacturing" patented technology

The utility model belongs to the technical field of paper manufacturing, and particularly relates to a paper coating device which comprises a machine base, and a liquid containing groove, a transfer roller, a first rubber roller, a second rubber roller and a first height adjusting assembly are arranged on the machine base. The liquid containing tank is used for containing coating liquid; the transfer roller is rotationally arranged above the liquid containing tank, and the lower part of the transfer roller is immersed in the coating liquid in the liquid containing tank; the first rubber roller is arranged above the transfer roller and is attached to the peripheral surface of the transfer roller; the second rubber roller is arranged above the first rubber roller, and a paper passing gap is formed between the second rubber roller and the first rubber roller and allows paper to pass through; the first height adjusting assembly is used for adjusting the vertical distance between the liquid containing tank and the transfer roller. The vertical distance between the liquid containing groove and the transfer roller is adjusted through the first height adjusting assembly, so that the height of the transfer roller immersed in liquid in the liquid containing groove basically meets the requirement, the height is not too large or too small, and waste is reduced.

The invention relates to a method for manufacturing SCK paper having a basis weight in the range of 50 to 100 g / m2, wherein an optimal combination of nonrecycled BCP, BCTMP and recycled pulp obtained from release liner supercalendered Kraft paper is used to adjust the properties of the fiber furnish. While the use of BCTMP enables a product having a higher bulk, the recycled pulp component, which has high compatibility with the paper manufacturing process, enables to balance the manufacturing process and reduce the dimensional changes and shrinkage of the formed SCK paper. The combined presence of the BCTMP and the recycled pulp component in the fiber furnish improves the water removal from the fibers during the SCK paper manufacturing, while the presence of non-recycled BCP produced from softwood improves the formation and runnability of the paper web on the paper machine. This enables to produce SCK paper with improved sustainability, wherein the density may be controlled by means of the fiber furnish, without downgauging and without adverse effects to other paper properties, which would prevent the use of the SCK paper as substrate layer in a release liner.

The invention relates to a method for manufacturing SCK paper having a basis weight in the range of 50 to 70 g / m2, wherein an optimal combination of BSKP and BCTMP is used to adjust the properties of the fiber furnish. In SCK papers with low basis weight the bulk of the formed paper web upon paper manufacturing may be controlled by means of the fiber furnish, without downgauging and without adverse effects to other paper properties, which would prevent the use of the SCK paper as substrate layer in a release liner. Thus SCK paper with exceptionally high share of BCTMP in the fiber furnish may be produced into the same thickness as was possible before for a conventional supercalendered kraft paper having a higher basis weight, while maintaining other quality characteristics of the paper sufficient for use as a substrate layer of an industrial release liner.

The invention relates to a method for manufacturing glassine paper having a basis weight of less than 50 g / m2, wherein an optimal combination of BSKP, BHKP and BCTMP is used to adjust the properties of the fiber furnish. In glassine papers with very low basis weight the formation of the paper web upon paper manufacturing may be controlled by means of the fiber furnish optimization, which can be used to produce exceptionally thin glassine paper without downgauging and without adverse effects to other paper properties, which would prevent the use of the glassine paper as substrate layer in a release liner. Thus glassine paper with a moderate share of BCTMP in the fiber furnish may be produced, that has quality characteristics of the paper sufficient for use as a substrate layer of an industrial release liner.

The application discloses a kind of light and thin solvent-free silicone oil release paper manufacturing process, belong to release paper manufacturing technical field, package following steps: paper selection, primer, drying primer, spraying release agent, scanning and scraping release layer, flatten release layer, drying release layer, water recovery, release paper winding, select low, thin base paper of grammage, then lower coating dry weight is used to primer to base paper is carried out primer and drying is formed to form film layer to obtain intermediate paper, when spraying release agent, atomizer will release agent atomization into particle and be sprayed to the surface of film layer of intermediate paper, let release agent particle be evenly attached to the surface of film layer of intermediate paper, then through scraper and two flatten rollers destroy the surface tension of release agent particle, let all release agent particles be fused together, the particle size of release agent particle after atomization is smaller, can reduce the thickness of release layer, then release layer is dried, water recovery is obtained after getting light and thin release paper of low grammage, low thickness.

The present application relates to paper manufacturing technical field, specifically to a kind of paper surface sizing device, including gluing support, first gluing guide roller is rotatably arranged on the gluing support, second gluing guide roller is rotatably arranged below the first gluing guide roller, third gluing guide roller is rotatably arranged in the right side of the first gluing guide roller, fourth gluing guide roller is rotatably arranged below the third gluing guide roller;First L-shaped support plate, second L-shaped support plate are symmetrically arranged on the gluing support, glue outlet module is fixed on the top of the first L-shaped support plate, the top of second L-shaped support plate, first glue conveying pipe, second glue conveying pipe are connected first gluing module, second gluing module respectively in the glue outlet module, and the first gluing module, second gluing module are all located below glue outlet device.The paper surface sizing device of the present application can evenly apply glue to the surface of paper.

A composition of unbleached natural brown paper comprising pulp extracted from waste paper material, starch and fillers. The filler may be soapstone, calcium carbonate, clay silica, talc and / or kaolin. Also include may be Alkyl Ketene Dimer (AKD). The composition may also include enzymes as a surface sizing agent. Also included is a claim to making the composition comprising, extracting the pulp from the waste material, introducing the pulp to a paper manufacturing unit and processing the paper to remove hills and valleys through a size press and a film press.

To provide a paper-made barrier material which is excellent in barrier property, compared to a paper-made barrier material obtained by a conventional manufacturing method.SOLUTION: A method for manufacturing a paper-made barrier material includes a barrier base paper manufacturing step of forming a barrier coating layer on a coating surface as at least one surface of a paper base material having a basis weight of 20 g / m2 or more and 500 g / m2 or less, and a laminate step of providing a laminate layer composed of a thermoplastic resin film on the barrier coating layer by dry laminate through an adhesive, wherein the barrier coating layer is not subjected to smoothing treatment under a linear pressure of 20 kg / cm or more, and the adhesive is coated onto the barrier coating layer.SELECTED DRAWING: None

The utility model discloses a driving device capable of shortening discharging downtime, and belongs to the field of corrugated paper manufacturing equipment. The utility model discloses a double-clutch transmission device which comprises a base, a first driving motor and a second driving motor, the first driving motor and the second driving motor are installed on the base, the power of the first driving motor is 315 kw, the power of the second driving motor is larger than or equal to 500 kw, the output end of the first driving motor is connected with a first clutch, and the output end of the second driving motor is connected with a second clutch. The first clutch and the second clutch are used for being connected with the input end of an unwinding roller through a transmission assembly, and the first driving motor and the second driving motor can be switched for use. According to the invention, the paper flying phenomenon in the shutdown process can be solved.

The utility model provides a kind of reel paper pressing forming device, belong to reel paper manufacturing field.It includes bottom table, the bottom table is equipped with pressing plate, the pressing plate is equipped with paper feed passage between bottom table, the bottom table is equipped with outer forming cylinder, the outer forming cylinder is equipped with inner forming cylinder, the outer forming cylinder is equipped with forming passage between inner forming cylinder, the inlet of the forming passage is communicated with the outlet of paper feed passage, the inlet of the paper feed passage is equipped with paper pusher plate sliding on bottom table, the paper pusher plate is connected with paper feed transverse drive, without manual paper is placed on heating strip or manually push paperboard and manually push pressing mould to form.

The invention provides a method for preparing aging-resistant cooked rice paper by secondary sizing with a neutral / alkaline sizing agent, belonging to the technical field of rice paper manufacturing. The method combines in-slurry sizing with surface sizing, specifically performing in-slurry sizing of AKD before adding a dispersant, carambola vine juice, so as to reduce the negative influence of anionic substances on the dispersion or adsorption of AKD in the slurry and impart excellent water resistance to the rice paper; and performing surface sizing with a neutral / alkaline surface sizing liquid during paper baking or after paper forming, coating the surface of the rice paper with a film to fill pores, and simultaneously enhancing the bonding force between fibers, thereby compensating for the defect that AKD sizing cannot improve the mechanical properties of the rice paper.

The application discloses a kind of low gram weight's solvent-free silicone oil release paper manufacturing method, belong to release paper manufacturing technical field, including the steps of papermaking, primer, drying primer, coating release agent, drying release agent, water recovery, release paper is wound, the application is based on thermoplastic fiber silk heating to certain temperature can be repeatedly reshaped and the characteristics of setting, the process of papermaking is stretched by the speed difference of conveying before paper forming to obtain low gram weight base paper, then primer is carried out to base paper, after coating release agent, low gram weight release paper is obtained, since thermoplastic fiber silk has higher strength and toughness than plant fiber after solidification, the release paper of the application has better mechanical strength than the release paper of same gram weight or even higher gram weight, the release paper of the application can reduce the addition amount of pulp in the process of papermaking, realize higher environmental protection, and the gram weight and thickness of release paper are lower, can reduce the cost of release paper transportation.

The application discloses dyed anti-fake fiber and a preparation method and application thereof, and belongs to the papermaking technical field.The technical scheme is as follows: the preparation method of the dyed anti-fake fiber comprises pulping, screening of pulp, dyeing, washing and airing, and the pulping process comprises wood chip washing, pre-soaking, reaction bin, high-concentration grinding, medium-concentration bleaching, high-concentration bleaching, latent elimination, low-concentration grinding, pressure screen, multi-disc, vacuum pulp washing and pulp storage, and specifically comprises the following steps: 1) screening of pulp; 2) preparation of anti-fake dye solution; 3) dyeing; 4) washing; 5) airing, to obtain anti-fake fiber for papermaking; and application of the anti-fake fiber in original paper manufacturing.The wood pulp fiber is used to replace polyurethane high molecular material fiber, manufacturing and production costs are greatly reduced, the functional original paper with general anti-fake quality demand can be met, and the functional original paper with not very high anti-fake quality demand has high practical value.

This utility model relates to the field of stone paper manufacturing technology and discloses a foldable honeycomb panel based on stone paper, comprising: a base plate; a folding strip fixedly connected to the outer wall of the base plate; and a connecting assembly fixedly connected between the base plate and the folding strip. In this foldable honeycomb panel based on stone paper, the mating side plates and mating front plates are inserted into the connecting slots of the connecting plate, and each set of fixing rods is inserted into the corresponding slots and fixing slots on the top of the mating side plates and mating front plates to complete the assembly between the mating side plates and the mating front plates. The connection between the connecting plate, the mating front plates, and the fixing rods is strengthened by the reinforcing rods engaging with the positioning holes, mounting holes, and reinforcing slots, preventing displacement or loosening of the components during use. The elasticity of the binding straps provides a buffering effect when the honeycomb panel is subjected to external impact or vibration, while further strengthening the connection between the mating front plates and the mating side plates.

The utility model relates to the technical field of Chinese art paper manufacturing, in particular to a preforming device for Chinese art paper manufacturing. A holding rod is arranged on the surface of a curtain bed, the surface of the curtain bed is provided with an inclined face, a limiting groove and anti-skid lines, a paper curtain is arranged in the curtain bed, a notch and a positioning groove are formed in the surface of a pressing plate, and a limiting plate and a damping pad are arranged on the surface of the pressing plate; the device has the beneficial effects that the pressing plate is pushed to move inwards, the rod end of the edge of a paper curtain is inserted into the positioning groove, the paper curtain is positioned through the positioning groove so as to guarantee the stability of the paper curtain when the paper curtain is placed in a curtain bed, then a paper fishing worker holds the notch and the holding rod by hand to place the curtain bed into the paper feeding groove to conduct pulp fishing operation, and paper pulp for manufacturing Chinese art paper is preformed on the paper curtain; and compared with a traditional mode, the fatigue feeling of the hands of a paper fishing worker is effectively relieved, the displacement phenomenon of the paper curtain in the curtain bed is effectively prevented, and the attachment effect of the paper pulp on the paper curtain is effectively improved.

The present invention provides certain paper enhancing compositions, typically aqueous compositions, for use in the manufacture and coating of paper, and paper products. The paper enhancing compositions provide certain paper processing advantages and distinct final paper product characteristics. The present invention further provides carbonate enhancing composition useful for preparing enhanced carbonate compositions used in the paper manufacturing processes.

The application provides a bobbin base paper and a bobbin base paper manufacturing method, wherein the bobbin base paper comprises a bottom paper layer, a core paper layer, a lining paper layer and a surface paper layer which are sequentially arranged, each paper layer is made of mixed pulp material composed of pulp residue, wood fiber pulp, starch and waste paper pulp by the circular net forming technology, wherein the proportion of the pulp residue, the wood fiber pulp, the starch and the waste paper pulp in the mixed pulp material is 60%-80%, 10%-30%, 1%-5% and 0-15% respectively. By changing the proportion of the pulp residue, the wood fiber, the waste paper pulp and the starch, using the low-price wood fiber pulp, adding most of the pulp residue and reducing the use of the waste paper pulp, the manufacturing cost of the bobbin base paper is reduced, and the performance-price ratio of the bobbin base paper is improved.

The invention provides a technology of a more appropriate resin countermeasure in a paper manufacturing process. Provided is a method for estimating the amount of large stickies in paper manufacturing on the basis of the amount of acrylate-based polymers contained in a management subject in paper manufacturing. Provided is a method for manufacturing paper, in which the level of large stickies countermeasures in paper manufacturing is adjusted on the basis of an increase or decrease in the amount of an acrylate-based polymer contained in a management subject in paper manufacturing.

The present application relates to the technical field of cellulose laminated paper manufacturing, in particular to a high-strength laminated paper and a preparation process thereof. The present application overcomes the problem of poor strength of laminated paper produced by traditional process. By compounding different types of extracted fibers, optimizing the process, improving the mechanical properties, adding sisal pulp to form a nano skeleton, long fiber of coniferous wood pulp directional interweaving to improve tensile homogeneity, eucalyptus pulp short fiber filling pores and aramid grafting to enhance interface bonding, the obtained paper pulp produces base paper; combined with pre-pressing dewatering to close pores and gradient drying to regulate hydrogen bond density, supplemented by rigid-elastic roller alternate calendering to realize the synergy of surface densification and internal flexibility; using a copolymer-based laminating system, nano material and chitosan composite reinforcement layer bonding, oxidation starch compatibilization and plasticization modification synergistic promotion of compost degradation; large pore closure and surface micropore refinement precise regulation of air permeability, the laminated paper meets the air permeability requirement, while realizing more than 90% biodegradation rate.

The invention provides a novel laser transfer paper composite manufacturing process, and relates to the field of laser composite paper manufacturing, the novel laser transfer paper composite manufacturing process comprises two strip-shaped rack bases, the rack bases on the two sides are respectively and fixedly provided with two vertical main stand columns, and the two sides of the top of the main stand column on each side are provided with lifting cross beam mounting seats capable of moving in a lifting mode; the lifting cross beam mounting seats on the two sides are symmetrically arranged, and a main supporting cross beam of the cross frame is fixedly arranged at the tops of the lifting cross beam mounting seats. Pressing gap pressure is accurately adjusted through the lifting driving rod, pressing force is guaranteed to be evenly distributed, the mirror face cooling steel roller is matched with the rubber pressure roller, rapid cooling curing, secondary pressing binding force strengthening and flatness improving are achieved, meanwhile, composite paper is immediately stable after being pressed, follow-up drying is not needed, energy consumption is reduced, all parts of the equipment work cooperatively, and the production efficiency is improved. Continuous production is achieved, output products can be directly coiled or cut, and production efficiency and product quality are improved.

The present application relates to synthetic fiber paper manufacturing technology field, specifically relates to a kind of aramid-based heating paper and its preparation method, the preparation method is: the para-aramid short-cut fiber and potassium hydroxide are added to dimethyl sulfoxide, then add water, stirring dispersion obtains nanofiber dispersion liquid;Carbon fiber, aramid short-cut fiber are added to nanofiber dispersion liquid and are defibered, are uniformly mixed to obtain short-cut fiber dispersion liquid;M-aramid polymerization liquid, nanofiber dispersion liquid, sedimentation agent are added to sedimentation equipment, high-speed shearing obtains sedimentation fiber, again cooling forming in water washing pool, multistage washing obtains m-aramid sedimentation fiber;Short-cut fiber dispersion liquid, m-aramid sedimentation fiber are uniformly mixed, then pass through wet papermaking, press drying, hot-pressing treatment obtains aramid-based heating paper.The preparation method in the carbon fiber, aramid short-cut fiber can be well dispersed, and the aramid-based heating paper prepared has higher evenness, better mechanical properties and heating performance.

To provide a paper-made barrier material which is excellent in barrier property, compared to a paper-made barrier material obtained by a conventional manufacturing method.SOLUTION: A method for manufacturing a paper-made barrier material includes a barrier base paper manufacturing step of forming a barrier coating layer on a coating surface as at least one surface of a paper base material, and a laminate step of providing a laminate layer composed of a thermoplastic resin film on the barrier coating layer by dry laminate through an adhesive, wherein the barrier coating layer is not subjected to smoothing treatment under a linear pressure of 20 kg / cm or more, and the adhesive is coated onto the barrier coating layer.SELECTED DRAWING: None

The present disclosure generally relates to aqueous cationic polyacrylamide (CPAM) dispersions, methods of preparation and methods of use thereof, particularly in the paper industry. For example, these CPAM dispersions may be used in any of the following: (i) sticky control in paper manufacturing (ii) fixing in paper manufacturing, (ii) sludge dewatering, and / or (iii) oil-water separation. Moreover, the present disclosure generally pertains to CPAM dispersions, wherein such CPAM dispersions are aqueous dispersions which are shelf stable at room temperature, methods of preparation and methods of use thereof in papermaking applications and in products such as paper-based products. The disclosed CPAM dispersions may be used as retention aids in papermaking processes, may increase retention of starch to a formed paper web and / or board web, and may provide increased dry strength to paper-based products.

The present invention provides certain paper enhancing compositions, typically aqueous compositions, for use in the manufacture and coating of paper, and paper products. The paper enhancing compositions provide certain paper processing advantages and distinct final paper product characteristics. The present invention further provides carbonate enhancing composition useful for preparing enhanced carbonate compositions used in the paper manufacturing processes.

The utility model relates to the technical field of paper manufacturing, in particular to a clutch device for switching embossing rollers, which comprises a support and a double-sided synchronous belt, smooth rollers are rotatably mounted on adjacent side walls of the support, the smooth rollers are in transmission connection with an external motor, and a first cylinder and a second cylinder are fixedly mounted on the support. The first cylinders and the second cylinders are symmetrically arranged, and the extending ends of the first cylinders are fixedly provided with first bearing pedestals. Compared with the prior art, through the arrangement of the first cylinders and the second cylinders, the first embossing roller or the second embossing roller can be controlled to be separated from a smooth roller, roller embossing can be conveniently switched, and the working efficiency is improved. By means of the clutch assembly, power can be selectively transmitted to the first embossing roller or the second embossing roller needing to be used, so that the driving load can be reduced, roller embossing sets can be rapidly switched, embossing operation is convenient, the load of a machine can be reduced, power loss is reduced, and the use cost is reduced.

The utility model provides a rich mineral paper papermaking device, and relates to the technical field of rich mineral paper manufacturing, the rich mineral paper papermaking device comprises two supporting plates, two belt wheels are connected between the two supporting plates, a forming net is connected between the two belt wheels, the tops of the two supporting plates are provided with a feeding port and a drying mechanism, and a rolling structure is arranged between the feeding port and the drying mechanism; the rolling structure comprises a rolling part arranged between the two supporting plates, the rolling part is connected with two connecting rods, a second connecting plate is fixedly connected between the tops of the two connecting rods, the second connecting plate is connected with a threaded rod through a bearing, and the outer surface of the threaded rod is in threaded connection with the first connecting plate. According to the paper pulp rolling device, the threaded rod is arranged, the second connecting plate can be driven to ascend and descend in the rotating process of the threaded rod, the rolling part can be adjusted through the two connecting rods in the ascending and descending process of the second connecting plate, so that the rolling requirements of paper pulp with different thicknesses are met, and the application range of the paper pulp rolling device is widened.

The invention belongs to the technical field of paper manufacturing, and particularly relates to food paper and a preparation technology thereof.The preparation technology comprises the steps of pulp preparation, paper sheet forming, squeezing dehydration, drying, surface treatment, rolling and slitting. The performance of the paper is ensured, the use of chemical additives is effectively reduced, and the risk of environmental pollution is reduced.

The invention provides novel stained paper and a manufacturing process thereof, and relates to the technical field of stained paper manufacturing, and the novel stained paper comprises a base layer and a coating layer, the base layer is pretreated plant fiber base paper, and the coating layer covers at least one surface of the base layer. According to the novel stained paper and the manufacturing process thereof, the sodium carboxymethyl cellulose and the chitosan in the coating layer can form a compact film structure to block moisture permeation, tests show that the stained paper does not have obvious permeation and damage within 24 hours after being in contact with moisture, and the water resistance of the stained paper is remarkably superior to that of common stained paper. The flexibility of the coating layer can be enhanced by the glycerol, so that the paper is prevented from being broken due to embrittlement after being coated; the sodium carboxymethyl cellulose and the chitosan are both degradable materials, so that no environmental burden is caused, and the environmental protection problem of the polyethylene coating type stained paper is solved. The coating layer and the base layer are closely combined after pretreatment, the falling phenomenon is not prone to occurring, the overall paper strength is improved, the packaging form can be kept for a long time, and the paper is suitable for long-distance transportation scenes.

To provide a softener for papermaking which can simultaneously impart high flexibility and high water absorbency while maintaining the strength of paper, and can suppresses the generation of odor.SOLUTION: A softener for papermaking includes: a polyoxyalkylene hardened castor oil as a component A; a quaternary cationic surfactant containing an imidazoline ring as a component B; and a polyether polyol (excluding the component A) as a component C.SELECTED DRAWING: None