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JP7323481B2 |
To provide a manufacturing method of a corrugated cardboard middle core base paper with high productivity and excellent bonding property.A manufacturing method of a corrugated cardboard middle core base paper which includes a water-solub...
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JP7308851B2 |
The present invention relates to a method for production of product comprising a first ply, the method comprising the steps of: providing a fibrous suspension comprising fibers; providing said fibrous suspension to a porous medium to for...
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JP7299872B2 |
A method of incorporating a low molecular weight polymer (e.g., polymer strength aid) into an industrial process (e.g., papermaking process) is provided. The method comprises treating an industrial process (e.g., paper sheet precursor) w...
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JP2023526800A |
The present invention relates to a method for making a polymer-coated cellulosic substrate useful as a barrier film, the method comprising: a) a high degree of providing a cellulosic substrate comprising purified cellulosic fibers, b) pr...
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JP7273166B2 |
The present invention relates to a press-heating gas grafting hydrophobization apparatus, and a hot water-resistant paper and an oil-absorbing paper manufactured using the press-heating gas grafting hydrophobization apparatus. In the pre...
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JP7267478B2 |
The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such pape...
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JP7239325B2 |
The present invention relates to a method of manufacturing a fibre web which includes a fibre matrix that is comprised of natural fibres and possibly synthetic fibres. According to the present method, an aqueous, planar fibre layer is pr...
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JP7234661B2 |
To provide a used paper regenerative apparatus capable of giving colors different in regions of sheets in accordance with user requests.The used paper regenerative apparatus includes a liquid discharge device for accommodation of a first...
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JP7234667B2 |
To provide a method for producing a paper by which a sufficient sizing effect can be obtained even when a premix liquid of a rosin-based sizing agent composition and an aluminum compound is added to pulp.In a method for producing paper c...
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JP2023023768A |
To enable efficient manufacturing of a nonwoven fabric from which fiber falling is prevented both in dry and wet states by adopting air-laid method for adding fiber falling preventing agent and enable production by suppressing occurrence...
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JP7219517B1 |
Kind Code: A1 A method for improving the effect of a paper strength agent used in the preparation process during the papermaking process is provided. A method for improving the effect of a paper strength enhancer in a preparation step of...
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JP7219518B1 |
[Problem] To provide a method for improving the effect of a paper strength agent used in the preparation process during the paper manufacturing process without incurring an increase in manufacturing costs. A method for improving the effe...
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JP7205975B2 |
A method for manufacturing a fibrous web, such as web of paper, board, tissue or the like is disclosed. The method includes obtaining at least one fibre suspension of lignocellulosic and/or cellulosic fibres and feeding the fibre suspens...
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JP2023002331A |
To provide a method of coating a paper-based formed article that can apply, to surface and end face portions of a paper-based formed article, a reliable and cost-effective coating treatment for improving water resistance and the like.A m...
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JP7201170B2 |
To provide a method for producing paper by which necessary wet paper force can be obtained without using chemicals such as a wet paper force enhancing agent, and paper dispersibility in water can also be obtained by allowing the paper to...
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JP2022165169A |
To provide methods for producing a white paperboard and a coated white paperboard with stable quality while keeping the yield of paper stock containing deinking pulp and preventing the mixing of precipitates in the paper stock.The presen...
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JP2022143592A |
To provide a papermaking method of a paper raw material using a yield improving system in a papermaking step, that achieves yield improvement of the paper raw material without lowering a water filtering property and a water drainage prop...
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JP7097356B2 |
The present invention relates to a new process for providing a coating layer on a moulded article comprising fibers. In the present invention, a coating dispersion is prepared that comprises microfibrillated cellulose (MFC), a slip aid a...
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JP7069156B2 |
The present invention relates to a process wherein microfibrillated cellulose (MFC) is mixed with at least two retention aids, selected from a cationic or amphoteric polymer and a microparticle or nanoparticle as a pre-mix before dosing ...
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JP2022523905A |
The present disclosure is a method of treating a cellulosic fibrous material using sucrose fatty acid ester-containing particles (carrier system), which enables surface modification, and makes such a surface water resistant and / or oil ...
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JP7032070B2 |
To provide a paper manufacturing method enabling efficient drying and obtaining paper improved in rigidity.The present invention is a paper manufacturing method comprising a step of spraying a dispersion containing fine cellulose fibers ...
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JP7017287B2 |
To provide a method for diluting and adding a chemical liquid that enables quick and uniform mixing and diffusion when adding the chemical liquid to a process water system in a paper manufacturing process, in particular, a papermaking pr...
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JP2022507555A |
The present invention relates to a method for hydrophobizing a cellulose substrate (1) comprising a first side and a second side facing away from the first side, the method comprising the following steps. :: -A step of drying the cellulo...
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JP2021183750A |
To provide a method for producing paper that improves the sizing effect on paper and reduces dirt in a paper-making system during a paper production process.A method for producing paper includes the steps of: preparing pulp slurry; and m...
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JP6968815B2 |
A coating blade (1) for application of coating color (7) to a fibrous web (6). The coating blade (1) comprises an elongate substrate (2) having a longitudinal edge. Within an operating zone, intended for contact with a coating color, of ...
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JP6967415B2 |
To provide a production method of newsprint paper without possibility of deteriorating the formation of paper while being able to improve the yield of filler and the like.Paper stock obtained from raw material pulp mixed with used paper ...
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JP2021523310A |
The present invention is directed to compositions, methods and systems for the removal of starch. The method supplies a cleaning fluid and a rinsing fluid on the supply line and feeds one or more cleaning applicators arranged to apply th...
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JP6927403B1 |
To reduce stains in a papermaking system in a paper manufacturing process even when the amount of a sizing agent added is increased. The present invention is a method for producing paper including a step of obtaining a pulp slurry and a ...
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JP2021085126A |
To provide a cleaning sheet having a multilayer structure with excellent bond strength without deteriorating water-disintegrating property and a manufacturing method of the cleaning sheet.In a manufacturing process of a toilet cleaner S,...
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JP2021085129A |
To provide a method for forming a fiber body with a small variation in paper strength.A method for forming a fiber body comprises a step of applying a binder for binding fibers to each other to a first raw material containing fibers, a s...
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JP6847438B2 |
To provide a pitch trouble suppression method, that is useful for suppressing/preventing pitch stains in the papermaking process.The pitch trouble suppression method is a method for suppressing a pitch trouble in papermaking process, and...
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JP6825027B2 |
The present invention relates to a method of manufacturing a surface-modified material, wherein a substrate, which comprises on at least one side a coating layer comprising a salifiable alkaline or alkaline earth compound, is treated wit...
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JP6822596B1 |
To improve the size of a paper and reduce stains in a papermaking system in a paper manufacturing process. The present invention is a method for producing paper including a step of obtaining a pulp slurry and a step of papermaking the pu...
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JP6809786B2 |
To provide a slime control method in which, in a papermaking process, the addition amount of a slime control agent can be reduced without increasing the internal air bubbles in white water.Provided is a slime control method in papermakin...
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JP2020525667A |
A method of adding a nanocellulose suspension in a gel phase to a second suspension, wherein the nanocellulose suspension in the gel phase is provided, the second suspension is provided, and the above. The step of bringing the nanocellul...
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JP6736247B2 |
To provide a coated white paperboard which has a high degree of whiteness, no unevenness in white color and a good binder distribution and is produced by curtain coating.A method of producing a coated white paperboard includes a step of ...
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JP6729314B2 |
To spray properly an agent to a belt-like body.A spray device 1 includes: a spray chamber 10 including a first spray chamber 11 and a second spray chamber 12 partitioned by a belt-like body 2, and including an inner part 100 through whic...
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JP6729315B2 |
To provide a spray device capable of preventing dispersion of an amount of coated agent, or operation stop or a material loss caused by rupture of a belt-like body, by suppressing fluttering by the belt-like body with a spray pressure, w...
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JP6729316B2 |
To suppress fluttering of a belt-like body.A spray device includes a sprayer for spraying an agent to a conveyed belt-like body 2, and a regulation member 20 facing the sprayer across the belt-like body, facing a prescribed conveyance tr...
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JP6701595B2 |
To provide a tissue paper product capable of applying a micro capsule to tissue paper base paper without breaking the micro capsule.There is provided a production method of a tissue paper product in which a tissue paper bundle is stored ...
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JP6701107B2 |
Provided is a paper manufacturing method capable of improving the total yield and filler yield and reducing the turbidity. A pulp slurry adding step is performed by adding a filler dispersion liquid in which a filler is dispersed in wate...
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JP2020045604A |
To provide: products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulates; and methods of making such paper and paperboard produc...
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JP6644048B2 |
To provide transfer paper excellent in transfer textile printing, which performs a dye fixing treatment while keeping textile printing paper in close contact with a printing object.The present invention provides transfer paper for use in...
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JP6641150B2 |
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JP6592302B2 |
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JPWO2018074604A1 |
A coated white paperboard including a base paper and two or more pigment coating layers, the pigment coating layer being a contour coating layer, and a PPS roughness of more than 1.3 μm and 3.0 μm or less under the condition of a clamp...
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JP6553320B1 |
Manufacture of deodorant paper that can maintain stable quality even when particles having a deodorizing effect are contained in thin paper in a desired ratio without bias and sufficient paper strength is secured to form a roll-shaped pr...
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JP6545478B2 |
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JP6537502B2 |
The invention relates to a method for preparing aqueous furnish to be used in paper product manufacturing. In the method aqueous furnish is prepared by making a fiber suspension, and cationic natural polymer (S), alum (A) and anionic nan...
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JP2019090159A |
To provide a coated white paperboard by curtain coating having a high degree of whiteness, no white unevenness and a good distribution of the binder.A method of producing a coated white paperboard, comprising a step of forming at least o...
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