1862results about "Special paper" patented technology

Apparatuses and processes for producing a substrate are described. A headbox is also provided. The headbox can include at least one flow section. The at least one flow section can include a constriction zone; a slice zone; an expansion zone; and a formation zone. A process for producing a web is also provided. The process can include depositing a slurry of fibers into a constriction zone. The slurry of fibers can then be flowed from the constriction zone through a slice zone and into an expansion zone. The slurry of fibers can then be flowed from the expansion zone into a formation zone. The slurry can be conveyed on a moving forming surface. Fluids may be drained from the slurry of fibers through the forming surface within the formation zone to form an embryonic web. The embryonic web may be dried.

The invention discloses a straw paper mulching film based on thermo-mechanical pulp as well as a green preparation method and application of the straw paper mulching film. The invention belongs to the field of biomass resource utilization. Aiming at the defects in the prior art, the invention provides a green preparation method of a straw paper mulching film based on thermo-mechanical pulp. According to the method, the staged hydrothermal grinding technology is adopted, washing is not needed, the acidic paper pulp is directly obtained, and the technological process is simplified. Meanwhile, the invention innovatively develops a green sizing agent taking chitosan as a main material. The sizing agent can be directly fused with acidic paper pulp, and acid and alkali do not need to be additionally added for adjusting the pH value. The dry tensile index of the straw paper mulching film is larger than or equal to 15 N.m / g, the wet tensile index is larger than or equal to 5 N.m / g, the burst index is larger than or equal to 3.5 kPa.m < 2 > / g, the contact angle is larger than or equal to 105 degrees, and the 2-hour water absorption rate is smaller than or equal to 50%.

A dispersion coated paperboard (1) for food packaging applications, the coated paperboard comprising a paper or paperboard substrate (2) having a first side (2a) and a second side (2b). The paper coated paperboard (1) further comprises a first layer (3) coated with a PHA dispersion, the first layer (3) being coated on at least one side (2a, 2b) of the paperboard substrate (2); and a second layer (4) coated with a PHA dispersion, said second layer (4) being coated on at least one of said first layers (3) wherein the crystallinity of the second layer (4) is higher than the crystallinity of the first layer (3).

The invention relates to the technical field of packaging materials, in particular to a high-strength corrugated carton based on polymer fiber material processing, and particularly relates to a corrugated carton achieving high strength and high waterproofness through polymer fiber material modification and special structural design. A polymer fiber material is soaked in a sodium hydroxide solution with a certain concentration, hydroxyl groups are introduced to the surface of the fiber, and the interface bonding force between the fiber and base materials such as starch is remarkably improved. According to detection, the bonding strength of the treated fibers and starch is improved by 30%-50%, so that the overall performance of the polymer fiber material layer is enhanced, in addition, compared with traditional corrugated waveforms, the UV composite waveforms are adopted, the compressive strength is improved by 20%-30%, the buffering performance is improved by 15%-20%, external impact force can be dispersed more effectively, and objects in the carton can be protected.

The invention discloses base paper for aluminum spraying and a preparation method thereof, and relates to the technical field of base paper. The preparation method comprises the following steps: pulping softwood pulp, then adding deionized water to dilute the softwood pulp until the mass concentration is 0.8%-1%, then adding modified gel particles, modified bentonite and a PAE wet strength agent, adjusting the pH value to 6.5-7.5, stirring for 40-60 minutes, and then adding deionized water to dilute the softwood pulp until the mass concentration is 0.5%-0.7% to obtain mixed paper pulp; and then making the mixed paper pulp into paper sheets, squeezing, drying, coating the surface layer coating on the surface of base material paper, and drying with hot air to obtain the body paper for aluminum spraying. According to the invention, the modified gel particles and the modified bentonite are added, so that the mildew-proof and moisture-proof capabilities of the base paper for aluminum spraying are effectively improved; the introduction of the surface coating further improves the mildew-proof and moisture-proof capabilities. Therefore, the method has a wider application prospect.

The present invention relates to the technical field of decorative paper, and in particular to wood-based panel surface decorative paper, comprising print base paper and an adhesive film layer covering the surface of the print base paper. The adhesive film layer is made of impregnation glue liquid. The impregnation glue liquid comprises the following raw materials in parts by weight: 75-85 parts of modified polyurethane emulsion, 5-9 parts of an epoxy resin, 6-10 parts of a filler, 4-7 parts of nanocellulose, 2-3 parts of a silane coupling agent, 1.5-2.5 parts of a film-forming auxiliary agent, 0.2-0.3 parts of a defoaming agent, and 20-30 parts of water. The wood-based panel surface decorative paper comprises print base paper and an adhesive film layer covering the surface of the print base paper; the adhesion between the adhesive film layer and the print base paper is good; and the wood-based panel surface decorative paper has good wear resistance, good water vapor resistance, good cold and hot cycle resistance, and other properties, can reduce formaldehyde emission and is environmentally friendly.

The invention provides a paperboard and a preparation method thereof. The preparation method comprises the steps that paper pulp is prepared, the paper pulp comprises core layer paper pulp, face lining layer paper pulp, face layer paper pulp and bottom layer paper pulp, and microfibrillated cellulose and chemical pulp are added to at least one of the face lining layer paper pulp and the bottom layer paper pulp to be ground together before grinding; making raw paper from the paper pulp; and coating surface glue on the surface of the surface layer of the body paper. According to the preparation method of the paperboard provided by the embodiment of the invention, the adding point of the MFC applied to the high-speed paper machine system is determined, the influence on the paper machine system is reduced, and dehydration of the pulp and operation of the paper machine are ensured. By combining the papermaking characteristics of a multi-layer paper machine, the surface lining layer and the bottom layer applied to the paper sheets can effectively improve the interlayer bonding strength between the paper sheets, improve TV-16, reduce the use amount of spraying starch in the conventional process or cancel the spraying starch, and improve the operation of the paper machine.

The invention belongs to the technical field of environment-friendly paper materials, and provides environment-friendly fireproof flame-retardant paper and a preparation method thereof, and the environment-friendly fireproof flame-retardant paper is prepared from the following raw materials in parts by mass: 20-40 parts of alginate fiber, 50-80 parts of bamboo pulp fiber, 5-15 parts of a flame retardant, 2-5 parts of chitosan, 1-3 parts of nano silicon dioxide and 200-400 parts of water. The alginate fibers and the bamboo pulp fibers are used as main raw materials, and the phosphorus-nitrogen environment-friendly flame retardant and the modified magnesium hydroxide are compounded, so that the dual effects of natural flame retardance and chemical synergy are achieved; according to the invention, the flame retardant and the fibers are synchronously beaten, so that nonuniformity and agent waste caused by later-stage coating are avoided; the environment-friendly fireproof flame-retardant paper is prepared from environment-friendly materials, volatile organic compounds are not discharged in the whole process, the paper can be recycled and degraded, the binding force between modified magnesium hydroxide and fibers is high, and the physical performance of the paper can be further improved.

The invention discloses a paper base-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials and green high polymer materials. The mulching film comprises a paper base layer and a homologous polyhydroxyalkanoate covering layer arranged on the surface of the paper base layer. Through double-sided synergy of the water-based PHA coating on the soil sticking surface and the thermoplastic PHA extrusion film layer on the windward and rainy surface, and in combination with a'wet-to-heat 'integrated composite process and trace anhydride grafting, super-strong combination of a paper-plastic interface fiber tearing level is realized, and the problem that traditional paper-plastic is easy to layer is solved. Compared with a traditional fluorine-containing product, on the premise that total organic fluorine is not detected, the excellent barrier and moisture conservation performance is achieved with the thinner coating thickness by means of double barriers. The product has excellent mechanical laying adaptability and long-season weather resistance, is fully biodegradable, thoroughly solves the hidden dangers of micro-plastic residues and persistent organic pollutants, and is an ideal green agricultural covering material.

The invention relates to a method for producing a multi-layer paper liner web and a multi-layer paper liner. The method comprises forming a first web out of a first pulp and a second web out of a second pulp. The first pulp comprises water and first components other than water, wherein said first components other than water comprise 65 wt.% to 99,99 wt.% bleached virgin cellulose fibre material, and wherein as one other of the first components other than water a dye exhibiting a blackish colour is added to the first pulp. The second pulp comprises water and second component(s) other than water, wherein said second component(s) other than water comprise(s) 65 wt.% to 100 wt.% unbleached cellulose fibre material. The multi-layer paper liner comprises a top layer comprising and a support layer. The top layer comprises water and first components other than water, said first components other than water comprising 65 wt.% to 99,99 wt.% bleached virgin cellulose fibre material and a dye exhibiting a blackish colour. The support layer comprises water and second components other than water, said second component(s) other than water comprising 65 wt.% to 100 wt.% unbleached cellulose fibre material.

The invention discloses porous chlorine dioxide slow-release preservative paper and a preparation method thereof.The porous chlorine dioxide slow-release preservative paper comprises a paper base, a porous carrier is fixed to the paper base through oxidized starch glue, and sodium chlorite, an activating agent and a stabilizing agent are loaded on the porous carrier; the porous carrier is one of aluminum oxide, titanium oxide, cobalt oxide, zinc oxide, copper oxide, iron oxide, cerium oxide, zirconium oxide, nickel oxide, manganese oxide, praseodymium oxide and lanthanum oxide with a porous structure. The slow release of chlorine dioxide can be stably and effectively realized, the release period of chlorine dioxide is prolonged, and long-acting stable sterilization and disinfection effects are realized.

A non-combustible heating-type smoking article includes: a tobacco part. The tobacco part includes: a tobacco filler; and a wrapper enclosing the tobacco filler. The tobacco part has a hardness of 0.41 to 1.5 N when compressed by a length corresponding to 10% of a diameter of the tobacco part in a diameter direction of the tobacco part. The wrapper is formed by attaching two or more sheets. The wrapper has a tensile strength of 10 to 30 N in a transverse direction crossing an axial direction of the tobacco part.

The invention belongs to the field of new materials, and relates to an ultrathin thermal insulation material and a preparation method thereof. Aiming at main problems of existing aerogel heat insulation products and actual requirements of related fields on efficient heat insulation products, in combination with functional characteristics of nano-porous silicon, natural plant fibers are taken as carriers, SiO2 aerogel, nano-porous silicon and other functional materials are uniformly mixed with the plant fibers, and the composite material is prepared. And an environment-friendly and degradable new product with heat preservation and heat insulation functions is obtained through a papermaking process. The heat conductivity coefficient of the obtained ultrathin heat preservation and insulation material is smaller than or equal to 0.025 W / (m.K), and a convenient method is provided for large-scale and continuous production of the low-cost ultrathin heat preservation and insulation material. The method is easy and flexible to operate, high in operability and easy to industrially popularize and apply.

The present application relates to the technical field of bacteriostatic impregnated paper preparation, and discloses a bacteriostatic impregnated paper and a preparation method thereof, wherein a melamine impregnated paper substrate is impregnated with an impregnating solution; a rate regulating coating is coated on the surface of the substrate, so that the release rate of the bacteriostatic component is regulated according to the change of environmental pH value; wherein the surface of the rate regulating coating is further coated with a nano-silver particle layer, and the components of the impregnating solution include the following raw materials in percentage by weight: tea tree oil 0.5-2%, cinnamaldehyde 1-3%, lemon essential oil 0.5-1%, ethanol 70-80% and water; the present application provides a multi-layer protection mechanism, which can not only effectively kill various bacteria and fungi, but also prolong the duration of the bacteriostatic effect; the presence of the nano-silver particle layer enhances the long-term bacteriostatic effect, and even after long-term use, the high-efficiency antibacterial performance can be maintained; the introduction of the pH-sensitive polymer coating enables the release rate of the bacteriostatic component to be automatically regulated according to the change of environmental pH value.

The invention relates to the technical field of packaging paper, and discloses environment-friendly decorative paper and a preparation method and application thereof.The environment-friendly decorative paper comprises a base material, and an EB functional layer is formed on the base material; the EB functional layer is a coating layer formed by curing a functional coating through EB radiation curing; the functional coating is prepared from polyurethane and acrylic resin in a weight ratio of (1: 1)-(1: 4). According to the preparation method, the EB functional layer is prepared on the base material through the EB curing technology to replace a traditional high-temperature curing technology, the energy consumption problem of high-temperature curing can be avoided, and the preparation process of the EB functional layer is efficient. Besides, a formaldehyde-free environment-friendly process is realized, and an EB curing technology is combined, so that good bonding force can be formed between the EB functional layer and a base material, the EB functional layer has excellent wear resistance, scratch resistance and ultraviolet resistance, the service life of the decorative paper can be effectively prolonged, and the decorative paper is particularly remarkable in outdoor or high-use-frequency application.

A preparation method of high-conductivity carbon fiber paper comprises the following steps: performing surface oxidation modification, washing, filtering and drying on carbon fibers, adding the carbon fibers into an aqueous solution of a dispersing agent, forming through a papermaking process to obtain carbon fiber pre-formed paper, impregnating the carbon fiber pre-formed paper into a resin solution, and drying to obtain the high-conductivity carbon fiber paper. And carrying out hot-pressing curing and high-temperature treatment to obtain the carbon fiber paper. Asphalt resin and phenolic resin are used as binders, in the hot-pressing curing stage, the asphalt resin is heated and melted, carbon fibers are uniformly impregnated, a three-dimensional network structure formed by curing and crosslinking of the phenolic resin is fully filled, and a good conductive network is formed; in the high-temperature treatment stage, the asphalt resin and the phenolic resin are co-carbonized, a polycyclic aromatic hydrocarbon structure of the asphalt resin is combined with free radicals generated by pyrolysis of the phenolic resin to generate dehydrogenation reaction, a wider conjugated carbon network is formed, the graphitization degree of the carbon paper is improved, and the conductivity and mechanical strength of the carbon paper are improved; therefore, the composite membrane has a good effect in the proton exchange membrane fuel cell.

The invention relates to the technical field of agricultural paper, in particular to double anti-mite fruit cultivating bag paper and a preparation method thereof. The preparation method comprises the following steps: pulping: respectively pulping natural-color bamboo pulp and natural-color softwood pulp, then mixing, adding water, and uniformly mixing to obtain pulp; papermaking: sequentially adding iron oxide yellow, aluminum sulfate, rosin size and a wet strength agent into the pulp, adding water for dilution, and drying after papermaking to obtain fruit cultivating bag body paper; sizing: taking oxidized cassava starch, adding water, preparing starch slurry, heating, continuously stirring until the starch is completely gelatinized, taking starch gelatinized liquid, adding neem oil, putting into a high-speed homogenizing emulsifying machine, emulsifying to obtain neem oil anti-mite emulsion, uniformly mixing the neem oil anti-mite emulsion with wax emulsion to obtain anti-mite glue liquid, immersing the fruit cultivating bag body paper into the anti-mite glue liquid, and drying to obtain the fruit cultivating bag. And taking out and drying to obtain the double anti-mite fruit cultivating bag paper. The composite material has physical barrier and long-acting anti-mite functions, and the risk of insect attack invasion is greatly reduced.

The invention discloses a reversible cross-linked paper coating and a repulping switching process, and belongs to the technical field of paper coatings. The coating is composed of an acrylate emulsion, a polyhydroxyalkanoate dispersion and a dynamic cross-linking system, wherein the system is one of carbonyl-hydrazine, imine, Diels-Alder, ester exchange, borate or polyvalent metal-carboxylate. The coating is coated with 6-15 g / m, the use state is that Cobb60 is smaller than or equal to 18 g / m, Kit is larger than or equal to 10, WVTR is smaller than or equal to 80 g / (m.d) at the temperature of 38 DEG C and the RH of 90%, OTR is smaller than or equal to 200 cm / (m.d) at the RH of 23 DEG C / 80%, the initial sealing temperature is smaller than or equal to 180 DEG C, and the sealing strength is larger than or equal to 6.0 N / 15 mm. In the re-pulping stage, net releasing is triggered through alkali, acid (containing CO2 injection), a chelating agent or ultrasonic assistance, and according to CEPI V3 / PTS-RH 021: 2012, the fiber recovery rate is measured to be larger than or equal to 98%, the coarse slag rate is measured to be smaller than or equal to 1.0%, and the adhesion matter is measured to be smaller than or equal to grade 1. The formula does not contain PFAS, and high bio-based carbon content can be realized.

The invention relates to the technical field of papermaking, in particular to modified gypsum, a preparation method of the modified gypsum and application of the modified gypsum in corrugated base paper production. According to the invention, the stabilizer is added to modify the gypsum, so that the obtained modified gypsum not only has the advantage of crystal morphology, but also has obviously reduced solubility in water, and can be stable for a long time. When the modified gypsum is used for preparing corrugated base paper, the papermaking cost can be remarkably reduced under the condition that the mechanical property of paper is met.

The invention discloses a metamaterial honeycomb and a preparation method thereof, and relates to the technical field of aramid paper honeycombs. The preparation method of the metamaterial honeycomb comprises the following steps: carrying out electromagnetic modification on aramid paper, gluing and ablating, overlapping, pressing, stretching and shaping, and pre-curing, so as to obtain the metamaterial honeycomb after the target density is reached. According to the method, the aramid paper honeycomb is modified from the source, the surface of the aramid paper is coated with the alloy material to serve as the electromagnetic function layer to modulate electromagnetic waves, broadband wave absorption can be achieved, the wave absorption performance can be designed and is better than that of a conventional wave absorption honeycomb, and the application range is wide. The density of the wave-absorbing honeycomb can be greatly reduced, the excellent wave-absorbing performance is achieved, and meanwhile the reflectivity difference in the TE direction and the TM direction is reduced, so that the limitation of the reflectivity difference of the honeycomb on the product design is reduced.

The invention belongs to the technical field of artificial veneers, and particularly relates to a fragrance-releasing blue-light-resistant microcapsule and a preparation method thereof, impregnated bond paper of the fragrance-releasing blue-light-resistant microcapsule, a fragrance-releasing blue-light-resistant ecological board and a preparation method of the fragrance-releasing blue-light-resistant ecological board. The technology aims at solving the problems of indoor blue light harm and air quality, and the problems that in the prior art, stable coexistence of a fragrance releasing component and an anti-blue-light component is difficult, and the technology is not compatible. The core is to prepare a multifunctional microcapsule through a unique interfacial polymerization and Schiff base in-situ reaction synchronous process: compound plant essential oil is taken as a core material, a vanillin-polyethyleneimine Schiff base conjugated structure is generated in situ in a wall material, and nanoparticles are cross-linked and fixed, so that a polyurethane / polyurea wall material is formed. The microcapsule is added into an adhesive layer of impregnated bond paper, and then is compounded with a base material through hot pressing to prepare the ecological board. The fragrance releasing and blue light resisting functions are successfully integrated on the board body, the effects that the blue light absorptivity at the wave band of 400-450 nm is larger than or equal to 70%, the formaldehyde release amount is smaller than or equal to 0.025 mg / m, and the fragrance is lasting are achieved, and the technology is highly compatible with an existing production line.

The invention provides a flexible temperature sensor based on aerosol jet printing and a preparation method and application thereof, and belongs to the technical field of novel materials. The preparation method of the flexible temperature sensor comprises the following steps: (1) mixing polyimide with N, N-dimethylformamide to obtain a PI solution; coating paper with the PI solution, and drying to obtain a PI / paper-based composite material substrate; (2) preparing graphene and deionized water into a solution, and adding a dispersing agent to obtain conductive printing ink; and (3) taking the PI / paper-based composite material as a substrate, printing conductive printing ink on the PI / paper-based composite material substrate through aerosol jet printing, and drying to obtain the flexible temperature sensor. The flexible temperature sensor provided by the invention is mainly used for monitoring the internal temperature of a heat-sensitive food package. Through the improvement and innovation of materials and processes, the overall performance (such as stability, accurate monitoring performance, good bending adaptability, quick response and the like) and environmental protection performance of the sensor are improved, so that the sensor can be used for monitoring the internal temperature of a heat-sensitive food package.

To provide process paper that can prevent evaporation of volatile ingredients during storage or transportation.SOLUTION: Process paper has barrier-coated paper and a release agent layer on at least one surface of the barrier-coated paper, wherein the barrier-coated paper comprises a paper substrate and a gas barrier coating layer on at least one surface, and the paper substrate has a thickness of 50 μm or more and 200 μm or less, a density of 0.5 g / cm3 or more and 1.1 g / cm3 or less, and a dry shrinkage ratio in the CD direction of 0.6% or less.SELECTED DRAWING: None

The invention discloses a straw fiber-based antibacterial mulching film with temperature and humidity response performance and a preparation method, and belongs to the technical field of agricultural mulching films, the straw fiber-based antibacterial mulching film with temperature and humidity response performance comprises a bottom film layer, a slow release layer and a barrier layer in sequence from bottom to top; the slow-release layer is obtained by coating the base film layer with a mixed solution of acetic acid, a bactericide, gelatin and a plasticizer; the barrier layer is obtained by coating palm wax emulsion on the surface of the slow release layer. According to the invention, palm wax, a bactericide (carbendazim), gelatin and a wheat straw fiber-based mulching film are combined to construct the wheat straw fiber-based temperature and humidity response type bacteriostatic mulching film. The straw fiber-based antibacterial mulching film can respond according to the change of environmental temperature and humidity to realize accurate release of pesticides, so that diseases are accurately regulated and controlled.

The present disclosure provides a coated paperboard comprising a paperboard substrate and a coating layer wherein: the coating layer comprises a pigment mixture and a binder in a dry weight ratio within the range of from 100:14 to 100:25; the pigment mixture comprises a calcium carbonate pigment and a clay pigment in a dry weight ratio within the range of from 98:2 to 92:8; and the calcium carbonate pigment has a particle size distribution (wt. %<2 μm) within the range of from 75 to 95.

To provide an aerosol generation product with low ignition propensity.SOLUTION: An aerosol generation product with low ignition propensity is provided. An aerosol generation product 300 according to several embodiments of the present disclosure is used together with an aerosol generation device, and can comprise an aerosol formation substrate part 310, a filter part 320 and a wrapper 330, which is made of a flame retardant paper material and encompasses at least a part of the aerosol formation substrate part. The flame retardant paper material reduces the possibility of wrapper ignition caused by an abnormally high temperature during smoking, and thus can improve smoking safety of a user, and reduces the possibility of aerosol generation product ignition caused by lighting by the user, and thus can prevent the user from experiencing unintentional smoking.SELECTED DRAWING: Figure 1

The invention discloses a paper-based diaphragm for alkaline water electrolysis and a preparation method of the paper-based diaphragm. A PPS / aramid fiber porous base material is prepared by adopting a wet non-woven process, a PVA-polymer quaternary ammonium salt blending layer is constructed on one side of the base material, OH <-> conduction is promoted by utilizing a quaternary ammonium group of polymer quaternary ammonium salt, and a three-dimensional network is formed through glutaraldehyde crosslinking. According to the paper-based diaphragm prepared through the method, when the porosity is 60.4%, the strength still reaches 8.98 MPa, the surface resistance of the diaphragm is greatly reduced to 68 m omega.cm < 2 >, the ionic conductivity synchronously jumps to 515 mS.cm <-1 >, the electrolytic current density is promoted to reach 1474 mA under the polarization voltage of 2.0 V, the vertical swelling rate of the diaphragm is stabilized at 12% through the cross-linked functional layer, and the paper-based diaphragm has the advantages that the paper-based diaphragm can be applied to the field of lithium ion batteries. The diaphragm achieves an optimal balance in key indexes such as aperture, strength, ionic conductivity and alkali liquor stability.

The invention discloses carbon fiber paper, a preparation method thereof and a proton exchange membrane fuel cell, and relates to the technical field of fuel cells. The preparation method comprises the following steps: filtering carbon fiber slurry containing chopped polyacrylonitrile-based carbon fibers, and carrying out wet molding to obtain a wet carbon fiber layer; adding a modified reinforcing agent solution into the wet carbon fiber layer, and then heating, drying and pressing to obtain carbon fiber base paper; and immersing the carbon fiber base paper into the resin solution, drying, and carrying out hot-pressing curing, carbonization and graphitization treatment to prepare the carbon fiber paper for the fuel cell. According to the invention, the modified reinforcing agent and the functional filler can be more easily adhered to the cross connection part of the carbon fibers, so that on one hand, an electrified network is enhanced, the electric conduction and heat conduction properties of the product are improved, and on the other hand, pore filling caused by addition of the conventional functional filler in a resin impregnation stage can be avoided; and negative effects are generated on pores and air permeability of the product.

The present disclosure relates to a machine glazed paper comprising softwood fibers, the machine glazed paper comprising starch to an amount within the range of from 0.1 wt. % by weight to 2 wt. % of the dry weight of the machine glazed paper. the amount of softwood fibers of the total amount of fibers being 63 wt. % or more, and the machine glazed paper having a Cobb value within the range of from 20 gsm to 50 gsm. as measured according to the standard method ISO 535:2014. The present disclosure furthermore relates to a method of producing the machine glazed paper.

A network-based system and method for providing desired moisture set point values for individual papers lines based on the physical properties of each liner and the atmospheric conditions associated with a corrugator is disclosed. The desired moisture set point values are based on the hygroexpansivity of each individual paper liner. Once the moisture set point value has been determined, a conditioning apparatus adjusts a moisture value for each liner in order to tune the post-warp characteristics of the final corrugated product.