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WO2016185398A1 - Formation d'aérogel et de mousse au moyen de bulles de gaz de taille nanométrique - Google Patents

Formation d'aérogel et de mousse au moyen de bulles de gaz de taille nanométrique Download PDF

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Publication number
WO2016185398A1
WO2016185398A1 PCT/IB2016/052895 IB2016052895W WO2016185398A1 WO 2016185398 A1 WO2016185398 A1 WO 2016185398A1 IB 2016052895 W IB2016052895 W IB 2016052895W WO 2016185398 A1 WO2016185398 A1 WO 2016185398A1
Authority
WO
WIPO (PCT)
Prior art keywords
foam
aerogel
paper
gas bubbles
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2016/052895
Other languages
English (en)
Inventor
Isto Heiskanen
Kaj Backfolk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stora Enso Oyj
Original Assignee
Stora Enso Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of WO2016185398A1 publication Critical patent/WO2016185398A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/56—Foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2373—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media for obtaining fine bubbles, i.e. bubbles with a size below 100 µm
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085—Use of fibrous compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/02—Foams characterised by their properties the finished foam itself being a gel or a gel being temporarily formed when processing the foamable composition
    • C08J2205/026—Aerogel, i.e. a supercritically dried gel
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/042—Nanopores, i.e. the average diameter being smaller than 0,1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18—Highly hydrated, swollen or fibrillatable fibres

Definitions

  • the present document relates to a method for manufacturing paper and paper board and products made thereof, wherein an aerogel or a foam made from nanosized gas bubbles is used.
  • the aerogel or foam can be formed in different ways, conventionally water and air is mixed in presence of foam forming chemicals such as surface active agents e.g. surfactants or tensides, or surface active polymers or particles.
  • foam forming chemicals such as surface active agents e.g. surfactants or tensides, or surface active polymers or particles.
  • the aerogel or foam can also be formed by mechanically mixing fibers and water with foaming agents, such as surfactants or polymers that enables foam generation.
  • WO2013/160553A1 one such paper or paper board foam forming method is disclosed.
  • nanostructured system is either highly energy demanding or requires a higher content of surface active chemicals.
  • the pore size of the substrate is highly dependent on the size of the bubbles in the foam, and that the bubble size of the foam can be affected by several parameters, such as the rotational speed of the mixer, the specific type of surfactant that is used, temperature, electrolyte concentration, pH, co-solvents, and the fibers with which the foam is mixed.
  • the pore size of the paper product is larger (Exceptional pore size distribution in foam-formed fibre networks, Al- Qararah, et al, Nordic Pulp and Paper Research Journal Vol 27, 2/2012, 226-230).
  • aerogel and/or foam is formed from gas bubbles, wherein a substantial fraction of the gas bubbles have a diameter of less than 0.5 micrometer, and wherein the aerogel and/or foam is formed by introducing said gas bubbles into a liquid suspension.
  • aerogel and/or foam is meant that depending on the other process properties, either an aerogel or foam may be produced, or a mixture thereof.
  • This method of forming an aerogel or a foam from gas bubbles being of micro or even nanosize, i.e. so called micro- or nanobubbles, where the aerogel or foam is used in various aspects of paper making in the paper making machine, provides for an aerogel or foam in which the bubble size can be easily controlled and adjusted for the specific application of the aerogel or foam.
  • an aerogel which comprised a microporous solid in which the dispersed phase is a gas.
  • an aerogel does not have a designated material with set chemical formula but the term is use to group all the material with a certain geometric structure.
  • nanofoam is meant to encompass both the term aerogel and the term foam in the present disclosure, where the aerogel or foam has been produced using nanobubbles of gas.
  • nanobubbles have a diameter of less than 0.5 micrometer is meant that a substantial fraction of the bubbles may be in this size region, but that there may also be larger bubbles present in the gas.
  • This nanofoam may be produced using conventional means, such as mechanically, by cavitation or using ultrasound or by chemical means, e.g. such chemicals that releases carbon dioxide gas.
  • the bubble size is also smaller in this nanofoam, than for conventionally formed foams, which further means that the nanofoam is more stable. This means that for some applications of this nanofoam the pore size of the end product can be made much smaller than with conventionally formed foams.
  • the nanofoam produced by using nanobubbles may further be more stable than conventionally formed foams.
  • the nanofoam being “stable” is meant that the foam bubbles do not easily collapse.
  • This nanobubble foam may be more easily used in the paper making machine, or may provide that the paper or paper board is more easily processed, e.g. improving runability or dewetting properties of web in the paper making process.
  • nanobubbles for forming the nanofoam further reduces or even abolishes the need to use foam forming chemicals such as surfactants (tensides) or surface active polymers.
  • the aerogel and/or foam may be formed prior to introduction into said papermaking machine.
  • said foam may be formed directly in said papermaking machine.
  • the aerogel and/or foam may be formed in a pulper of the papermaking machine.
  • the aerogel and/or foam may be formed in a refiner.
  • the foam may be formed prior to introduction into a head-box of the papermaking machine.
  • the nanobubbles may firstly be formed in a separate unit and then mixed with polymers, such as cellulosic fibers or alternatively with a foam.
  • polymers such as cellulosic fibers or alternatively with a foam.
  • the nanofoam may for instance be injected into the headbox and then forming a foam- aerogel with other components.
  • the aerogel and/or foam may, according to one embodiment, be formed directly into a head-box of the papermaking machine.
  • formed directly in the head- box is meant that aerogel and/or foam is formed in-situ.
  • the aerogel and/or foam may, according to one alternative embodiment, be introduced as a coating material in the papermaking machine.
  • the foam may be introduced in a surface sizing step in the paper or board process.
  • Sizing is used during paper manufacturing to reduce the paper's tendency when dry to absorb liquid.
  • Liquid packaging board and coated fine papers are so called hard sized papers that have the high water resistance.
  • Surface sizing solutions often comprises the use of surface sizing agents such as acrylic co-polymers.
  • acrylic co-polymers In internal sizing the chemicals used at the wet end are often alkyl succinic anhydride (ASA), alkyl ketene dimer (AKD) and rosin.
  • ASA alkyl succinic anhydride
  • ALD alkyl ketene dimer
  • rosin By making the paper web more hydrophobic, the sizing agents influence dewatering and retention of fillers and fibers in the paper sheet.
  • microbubble paper, laminate or paper board may be produced.
  • This material has a very low density, and can be made with existing manufacturing techniques.
  • This paper may thus be a very porous material, for use for instance as a tissue product.
  • suspension may be any one of water, an aqueous fiber suspension, and an aqueous suspension comprising paper making chemicals or a mixture thereof.
  • the foam may be formed for instance by introducing the nanobubbles into a stream of a fiber suspension, e.g. comprising microfibrillated cellulose, thereby forming a fiber-foam composite which can subsequently be introduced into the paper making machine as a coating of the web.
  • a fiber suspension e.g. comprising microfibrillated cellulose
  • the foam may further be formed by introducing said gas bubbles into a mixture of water and a surfactant.
  • the gas may comprise any one of atmospheric air, pure oxygen, pure nitrogen, pure carbon dioxide, or a mixture thereof.
  • the diameter of the gas bubble may be in the range of from 0.01 pm to 0.5 pm, or the diameter of the gas bubbles comprises a mixture of bubbles having different diameters in the range of 0.01 to 0.5 pm.
  • the bubble size distribution can either be monodisperse, i.e. a large fraction of the bubbles may have the same or substantially the same size, or polydisperse, i.e. the gas bubbles may have different sizes ranging from nanosize to microsize bubbles.
  • a substantial fraction of the gas bubbles have a diameter which is less than 0.5 micrometers.
  • said paper or paper board may be formed from a fibrous material comprising any one of microfibrillated polysaccharide and longer cellulosic fibers, or a mixture thereof.
  • the microfibrillated polysaccharide may for instance be microfibrillated cellulose, cellulose whiskers or microcrystalline cellulose.
  • a method for manufacturing a paper or paper board formed from a fibrous material comprising any one of microfibrillated cellulose and longer cellulosic fibers, or a mixture thereof, wherein said method comprises introduction of an aerogel and/or foam produced according to the first aspect, being formed from gas bubbles, wherein a substantial fraction of the gas bubbles have a a diameter of less than 0.5 micrometer, and wherein the aerogel and/or foam is formed by introducing said gas bubbles into a liquid suspension.
  • introduction of an aerogel and/or foam is meant the nanofoam has been introduced in the furnish, in the coating or in the sizing of the paper or paper board.
  • a paper or paper board obtained by the method according to the second aspect.
  • Foam is conventionally and broadly defined as a colloidal dispersion of gas in a liquid or solid medium. Foam can be generated in many different ways, for instance mechanically, by agitating a liquid medium, optionally with or without surface active agents to promote the foam formation. Foams can also be produced chemically, for instance through fermentation.
  • An aerogel is conventionally defined a material which is porous and
  • An aerogel does not have a designated material with set chemical formula, but the term is use to group all the material with a certain geometric structure.
  • the foam, aerogel or nanofoam is produced or formed by using gas bubbles.
  • an aerogel or a foam is formed from gas bubbles having a diameter of less than 500
  • the aerogel and/or foam are thus formed from gas bubbles being of micro or even nanosize, i.e. nanobubbles.
  • the foam or aerogel also is nanosized or nanostructured.
  • nanoam is meant to encompass both an aerogel and a foam formed from these nanobubbles of gas.
  • the nanofoam may also be a material which is a mixture of an aerogel and a foam.
  • the gas may be atmospheric air, i.e. a mixture of oxygen, nitrogen and other gases present in the earth's atmosphere.
  • the gas is oxygen (O2).
  • the gas is nitrogen (N2).
  • the gas is carbon dioxide (CO2).
  • the gas is a mixture of different gases, such as a mixture of air and N2, or air and CO2.
  • the gas may also be any other suitable gas or mixture of gases.
  • the diameter of the gas or the so called nanobubble or microbubble is in the range of from 0.01 pm to 10 pm. In one embodiment the diameter of the nanobubble is in the range of from 0.01 pm to 1 pm. In another embodiment the diameter of the nanobubble is in the range of from 0.01 pm to 0.8 pm. According to yet an embodiment the diameter of the nanobubble is in the range of from 0.01 m to 0.6 pm. In one embodiment the diameter is less than 0.5 pm. According to another embodiment the diameter is less than 0.4 pm.
  • the diameter is less than 0.3 pm. According to one embodiment the smallest bubble diameter may be about 0.03 um or in the range of from 0.03 to 0.07 pm.
  • there may be a mixture of gas bubbles having different diameters i.e. a more polydisperse structure including both nanosized and microsized gas bubbles in a mixture, this means that there may be bubbles having a diameter which is more than 0.5 pm.
  • the main part or fraction of the gas bubbles used for forming the nanogel are preferably nanosized, i.e. having a diameter of less than 500 nanometers. This means that according to one
  • the gas bubbles have a monodisperse size distribution.
  • the nanofoam may be used in the paper or board manufacturing process, for instance as furnish or as additive in a furnish, as a coating or additive in coating or at or in a sizing step in the process.
  • the paper or board manufacturing process thus encompasses both so called foam forming processes and more conventional processes such as wet laid paper processes or air laid paper processes.
  • the nanofoam itself may be formed in different ways using the gas
  • the nanobubbles of gas may be introduced into a liquid suspension.
  • the liquid suspension may be an aqueous suspension comprising for instance different types of fibrous materials, and/or different types of chemicals, such as foam forming chemicals, paper making additives (fillers etc), sizing chemicals and so on.
  • the nanofoam may for instance be formed by introducing the nanobubbles of gas into a cellulose gel or suspension comprising microfibrillated cellulose (MFC). It can be a mixture of highly refined fibers (MFC), nanocellulose or cellulose
  • CNC nanocrystals
  • microcrystalline cellulose and traditional or conventional pulp fibers, or mixtures thereof.
  • synthetic fibers may be included in the liquid suspension, such as e.g. polylactic acid (PLA), or polyvinyl alcohol (PVA) or polyethylene terephthalate (PET) fibers.
  • PLA polylactic acid
  • PVA polyvinyl alcohol
  • PET polyethylene terephthalate
  • the nanofoam may be produced prior to introducing it into the paper or board manufacturing process. This may be useful in applications such as when the nanofoam is used for coating of a wet laid paper web, or when the foam is used in a sizing step in the paper or board manufacturing process.
  • the nanofoam may be used as a furnish, i.e. in the paper making pulp solution prior to its introduction into a papermaking machine, i.e. for instance in the pulper or refiner. This means that the nanofoam itself may be used to form the paper or paper board end product.
  • products having a very high porosity may be obtained, for instance papers for tissue applications.
  • the nanofoam may also, according to another embodiment, be added into the paper making process at different stages.
  • the nanobubbles of gas may be introduced directly into the papermaking machine, such as in the cleaner, the head- box or in a sizing step, thus forming the nanofoam in-situ in the papermaking machine.
  • the nanofoam may also be used as a coating and applied in the paper or board manufacturing process at any coating step or stage.
  • the nanofoam may alternatively be mixed with other coating additives and chemicals.
  • the nanofoam may be supplied to the papermaking machine in a continuous manner.
  • the nanofoam may be fed into the head-box, to be mixed with the water and fiber mixture, before forming the web in the wire section.
  • the nanofoam may be fed onto the wire section together with the fiber and water mixture from the head-box.
  • the nanofoam may be used in a sizing step in the paper or board manufacturing process.
  • a nanofoam it may be possible to reduce the or even completely abolish the use of these different types of internal and surface sizing agents.
  • microbubble paper, laminate or paper board may be produced.
  • This material has a very low density, and can be made with existing manufacturing techniques.
  • This paper may thus be a very porous material, for use for instance as a tissue product.
  • the end product when using the nanofoam in the process, may be a thermoplastic product.
  • the end product may be ply paper or an application of a ply paper, e.g. in a board application.
  • the nanofoam may be used for paperboard applications.
  • Other possible applications may include producing intermediate composites which can be used in different types of subsequent applications in the paper or board making process.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé de production d'aérogel et/ou d'une mousse pour la fabrication de papier ou de carton, et des produits associés, ledit papier ou carton étant fabriqué dans une machine à papier, l'aérogel et/ou de la mousse étant formé à partir de bulles de gaz ayant un diamètre inférieur à 0,5 micromètre.
PCT/IB2016/052895 2015-05-21 2016-05-18 Formation d'aérogel et de mousse au moyen de bulles de gaz de taille nanométrique Ceased WO2016185398A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1550649-6 2015-05-21
SE1550649A SE1550649A1 (en) 2015-05-21 2015-05-21 Aerosol and foam formation using nanosized gas bubbles

Publications (1)

Publication Number Publication Date
WO2016185398A1 true WO2016185398A1 (fr) 2016-11-24

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SE (1) SE1550649A1 (fr)
WO (1) WO2016185398A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019115440A1 (fr) * 2017-12-15 2019-06-20 Voith Patent Gmbh Traitement de bande
US10519606B2 (en) 2016-12-22 2019-12-31 Kimberly-Clark Wordlwide, Inc. Process and system for reorienting fibers in a foam forming process
WO2021124091A1 (fr) 2019-12-18 2021-06-24 Stora Enso Oyj Papier ou carton revêtu d'une couche de revêtement en mousse comprenant de la nanocellulose
US11255051B2 (en) 2017-11-29 2022-02-22 Kimberly-Clark Worldwide, Inc. Fibrous sheet with improved properties
US11313061B2 (en) 2018-07-25 2022-04-26 Kimberly-Clark Worldwide, Inc. Process for making three-dimensional foam-laid nonwovens
US11591755B2 (en) 2015-11-03 2023-02-28 Kimberly-Clark Worldwide, Inc. Paper tissue with high bulk and low lint
US12331465B2 (en) 2017-04-28 2025-06-17 Kimberly-Clark Worldwide, Inc. Foam-formed fibrous sheets with crimped staple fibers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2050594A1 (en) * 2020-05-20 2021-11-21 Stora Enso Oyj Foam coated cellulose based substrate

Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2003192991A (ja) * 2001-12-25 2003-07-09 Oji Paper Co Ltd 水系塗料及びこれを用いた塗工シート
WO2005030847A1 (fr) * 2003-10-02 2005-04-07 Valtion Teknillinen Tutkimuskeskus Charge ou pigment de couche poreux destines au papier ou au carton blanchi et leur production
WO2009106968A2 (fr) * 2008-02-29 2009-09-03 Stora Enso Oyj Procédé de production électrostatique de particules
WO2013160553A1 (fr) 2012-04-26 2013-10-31 Stora Enso Oyj Bande continue fibreuse de papier ou de carton et son procédé de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003192991A (ja) * 2001-12-25 2003-07-09 Oji Paper Co Ltd 水系塗料及びこれを用いた塗工シート
WO2005030847A1 (fr) * 2003-10-02 2005-04-07 Valtion Teknillinen Tutkimuskeskus Charge ou pigment de couche poreux destines au papier ou au carton blanchi et leur production
WO2009106968A2 (fr) * 2008-02-29 2009-09-03 Stora Enso Oyj Procédé de production électrostatique de particules
WO2013160553A1 (fr) 2012-04-26 2013-10-31 Stora Enso Oyj Bande continue fibreuse de papier ou de carton et son procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AL-QARARAH ET AL., NORDIC PULP AND PAPER RESEARCH JOURNAL, vol. 27, February 2012 (2012-02-01), pages 226 - 230

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11591755B2 (en) 2015-11-03 2023-02-28 Kimberly-Clark Worldwide, Inc. Paper tissue with high bulk and low lint
US10519606B2 (en) 2016-12-22 2019-12-31 Kimberly-Clark Wordlwide, Inc. Process and system for reorienting fibers in a foam forming process
US12331465B2 (en) 2017-04-28 2025-06-17 Kimberly-Clark Worldwide, Inc. Foam-formed fibrous sheets with crimped staple fibers
US11255051B2 (en) 2017-11-29 2022-02-22 Kimberly-Clark Worldwide, Inc. Fibrous sheet with improved properties
US12043963B2 (en) 2017-11-29 2024-07-23 Kimberly-Clark Worldwide, Inc. Fibrous sheet with improved properties
WO2019115440A1 (fr) * 2017-12-15 2019-06-20 Voith Patent Gmbh Traitement de bande
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