EP0742858B1 - Verfahren zur herstellung von papier oder vlies in schaumumgebung unter verwendung eines nicht-ionischen tensids - Google Patents

Verfahren zur herstellung von papier oder vlies in schaumumgebung unter verwendung eines nicht-ionischen tensids Download PDF

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Publication number
EP0742858B1
EP0742858B1 EP95908293A EP95908293A EP0742858B1 EP 0742858 B1 EP0742858 B1 EP 0742858B1 EP 95908293 A EP95908293 A EP 95908293A EP 95908293 A EP95908293 A EP 95908293A EP 0742858 B1 EP0742858 B1 EP 0742858B1
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EP
European Patent Office
Prior art keywords
surfactant
paper
foam
witconol
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.)
Expired - Lifetime
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EP95908293A
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English (en)
French (fr)
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EP0742858A1 (de
Inventor
Corinne Munerelle
Frank D. Harper
Gary L. Schroeder
Antony D. Awofeso
Henry S. Ostrowski
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Essity Operations France SAS
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Fort James France
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Classifications

    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
    • 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
    • D21H21/24—Surfactants

Definitions

  • the subject of the invention is a method of manufacturing a sheet of paper or of nonwoven in foam medium.
  • the invention finds application in the paper industry for the manufacture of paper or nonwoven, for household, household or sanitary use.
  • desired properties of the sheet of paper or nonwoven are the softness, the wet or dry resistance, bulk, absorbency, etc. A balance between these different properties is sought.
  • foam-based process here means a process for manufacturing wet paper or nonwoven where water is replaced by an aqueous solution comprising a surfactant forming a foam.
  • a process for manufacturing paper in a foam medium is described in EP-A-0 481 746 on behalf of JAMES RIVER CORPORATION OF VIRGINIA.
  • This process consists in preparing a composition of manufacturing in the form of a foaming dispersion of fibers by mixing a suspension of fibers in water with a foaming liquid comprising an agent surfactant, form a fibrous web on a paper machine, recover liquid foaming, recycle part of the foaming liquid to prepare the manufacturing composition and treating another part of the foaming liquid recovered in separating the surfactant from the liquid.
  • surfactants anionic, cationic and non-ionic suitable for the formation of a web fibrous and certain amphoteric surfactants.
  • EP-A-0 481 746 refers to American patents US-A-4,056,456, US-A-3,716,449 and US-A-3,871,952, which describe anionic surfactants, cationic and non-ionic.
  • Cationic type surfactants such as lauramine oxide have no not retained because they were adsorbed on the anionic sites present in the dough paper used for the manufacture of paper for household use.
  • anionic surfactants one has been selected and selected, presenting the best industrial performances, i.e. having a good foam generating power, a good gas (air) content: approximately 60% by volume for the foam formed from this agent, and a good rate of recovery of the surfactant in the foam, while being a compound not showing no toxicity. It is a compound of the ⁇ -olefin-sulfonate or AOS type.
  • the other known nonionic agents did not provide as good process results of the anionic agent mentioned above (rate of recovery, enrichment in surfactant, ).
  • anionic ⁇ -olefin sulfonate compounds in the processes of the prior art however has major drawbacks when the incorporation cationic additives is necessary to improve certain properties of paper such as as softness, tensile strength in the wet or dry state.
  • a cationic agent is added during a process foam medium using an anionic surfactant, in this case OSA, anionic compound and cationic compound chemically react with each other and thus lose their effectiveness.
  • This translates for the added cationic agent, by a loss of its effectiveness, and for the surfactant, by a reduction in the content gas formed foam, which leads to the addition of additional quantities significant amounts of AOS in the foaming liquid.
  • the present invention aims to overcome all of the drawbacks mentioned above when using as surfactant, OSA, while keeping the advantageous performances of this same agent both in terms of implementation advantageous mechanical and other properties observed on the product from this process.
  • Another object of the present invention is to be able to use additives cationic without chemical incompatibility with the surfactant, i.e. does not not reacting with the latter.
  • the object of the present invention is to provide a process which offers better results with regard to the consumption of surfactant and with relates to the recovery of the surfactant during recycling, compared to prior art foam processes.
  • the present invention preferably aims to provide a process which, in the presence cationic additives, improves the smoothness and other properties of the paper sheet obtained by this process, in particular the tensile strength at break in the state dry or wet and the rate of water absorption.
  • the subject of the invention is a process for manufacturing a sheet of paper or nonwoven in a foam medium, the essential characteristic of which is to use, as surfactant for forming the foam, a mixture of ethoxylated alcohols, of formula general (I): R- (OCH 2 CH 2 ) n -OH in which n is an integer ranging from 4 to 20, and R is a linear alkyl group having 8 to 16 carbon atoms, the ethoxylated alcohols having a linear alkyl group of 10, 12 and 14 carbon atoms being present in the mixed.
  • a mixture of ethoxylated alcohols of formula general (I): R- (OCH 2 CH 2 ) n -OH in which n is an integer ranging from 4 to 20, and R is a linear alkyl group having 8 to 16 carbon atoms, the ethoxylated alcohols having a linear alkyl group of 10, 12 and 14 carbon atoms being present in the mixed.
  • the process includes the incorporation of cationic additives for papermaking such as softeners, agents improving tensile strength at break in the dry state, agents improving the tensile strength in the wet state, and / or breaking agents.
  • cationic additives for papermaking such as softeners, agents improving tensile strength at break in the dry state, agents improving the tensile strength in the wet state, and / or breaking agents.
  • dry resistance will be used and "wet strength” respectively for the tensile strength at break dry and wet.
  • the nonionic surfactant used in the invention is a mixture of ethoxylated alcohols corresponding to the general formula (I) below: R- (OCH 2 CH 2 ) n -OH as previously described.
  • One of the preferred agents is the product sold under the brand WITCONOL® SN-120, by WITCO CORPORATION, Houston, Texas, USA.
  • This agent has the formula (I) in which n varies in the range from 4 to 20 and R is a linear alkyl group of 8 to 16 carbon atoms.
  • the identification of the ethoxylated group of this compound has been established by FAB type mass spectrometry.
  • the spectrum obtained clearly shows that the ethoxylation interval varies from 4 to 20 ethoxy groups with a peak around from 8 to 9 groups.
  • the distribution of the alkyl chains of this compound is measured by liquid chromatography. This distribution is not Gaussian.
  • This technique shows that the WITCONOL® SN-120 compound has the particularity of not not present C6 and C8 alkyl chains which are more irritating. Indeed, the compounds comprising these C6 and C8 alkyl chains have been shown to be irritating during rabbit eye test.
  • the WITCONOL® SN-120 also has the advantageous characteristic of have even lower toxicity than the ⁇ -olefin sulfonate (AOS) agents.
  • AOS ⁇ -olefin sulfonate
  • LC50 lethal dose to kill tested aquatic species
  • this agent has received US and European authorization to be used in the manufacture of paper intended for food contact such as paper towels.
  • WITCONOL® SN-120 is preferably used in the form of a mixture 20% water and 80% of the compound in pure form, to be liquid at temperature ambient. This mixture is marketed under the brand WITCONOL® SN-120D.
  • Another nonionic surfactant which can be used in the present invention is the product sold under the brand DESOMC® 12-8.
  • This compound marketed by WITCO CORPORATION is also a mixture of ethoxylated alcohols. It differs from WITCONOL® SN-120 only by the distribution of carbon chains according to their length. Indeed, for this compound, the most important proportion is the C 12 chain: approximately 90% whereas for WITCONOL® SN-120, the most important proportion is the C 10 chain.
  • the cationic additives used in the present invention are softening agents, agents improving wet or dry resistance, or agents improving mechanical properties.
  • Softening agents used are illustrated in the following description by quaternary amines, for example of formula (III): in which R and R 'are alkyl groups of 10 to 14 carbon atoms. This additive is sold under the brand BEROCELL® 595 and is used as a softening agent in the manufacture of paper.
  • BEROCELL® 595 This additive is sold under the brand BEROCELL® 595 and is used as a softening agent in the manufacture of paper.
  • the term “BEROL” will be used in the following text for "BEROCELL®”.
  • additives cationic and more specifically polycationic additives.
  • KYMENE® 557 H is commonly used in the papermaking as an agent increasing the wet strength properties of the piece of paper.
  • a cationic agent improving the dry resistance is illustrated in the text which followed by a quaternary cationic starch ether sold under the brand SOLVITOSE® N.
  • agent mixtures surfactants described previously had at least as good foaming properties as the surfactant ⁇ -olefin sulfonate (AOS) and used to make paper sheets with mechanical properties at least as good as those made with AOS.
  • AOS ⁇ -olefin sulfonate
  • WITCONOL® SN-120 is used, as a surfactant for carrying out the process according to the invention, and the formettes obtained by this process with control formets obtained by a foam-based process using AOS and other control forms obtained by a conventional process in water.
  • BEROL a surfactant for carrying out the process according to the invention
  • SOLVITOSE® N another equally cationic agent
  • a paper composition consisting of a 50/50 mixture of a pulp disintegrated eucalyptus and refined softwood pulp in a Valley pile during 30 minutes.
  • the latter component is added in a proportion of 2 kg / ton of dry paste. After a contact time of approximately 15 minutes of this component with the paper mixture, the whole is diluted in order to reach a concentration of the order of 5 g / l.
  • SOLVITOSE® N SOLVITOSE, in the table below
  • it is added in an amount of 7 kg / ton of dough.
  • the WITCONOL® SN-120 (SN-120 in the table below) has a concentration of 200 ppm (the component is 100% active) and in the control process, OSA at a concentration of 200 ppm (the AOS component being only active at 40%).
  • the foam is formed using an ERNST type continuous foamer. BENZ. A mixture of water and surfactant at a concentration of 200 mg / l is introduced into the device. The foam obtained has an air content of 60% by volume.
  • the paste is mixed at a concentration of 5 g / l for a short time: 1 to 2 seconds with two liters of foam, in a blender. Then the paper mixture comprising the foam is used to make the form according to standard NF Q50-002 on a former of the FRANK type.
  • the measurements are carried out on the formulas after a period of conditioning for at least 48 hours at 23 ° C and an ambient humidity of 50%.
  • the effect of the softening or debinding additive: BEROL is evidence with the surfactant WITCONOL® SN-120.
  • the softening character of BEROL induces a deliant effect which leads to a decrease in interactions between fibers resulting in a reduction of the breaking length of 25% in the case present.
  • the sheet of paper obtained by this process has in particular a another interesting property: softness.
  • This embodiment of the invention is not limiting and any other implementation work of a paper manufacturing process in foam medium, can be considered.
  • the paper machine 10 corresponds to a machine of the “crescent former” type described in American patent US Pat. No. 3,326,745.
  • the part wet forming the sheet comprises a felt 11 permeable to liquid and a fabric 12, of the type used in the manufacture of nonwoven.
  • the canvas 12 is supported by rollers 18 and 19 which are positioned with the head roller 15 so as to make converge the canvas 12 on the felt 11 at the head roller at an angle precise with respect to the felt 11.
  • the felt 11 and the fabric 12 move in the same direction, at the same speed and in the direction of rotation of the head roller 15.
  • the fabric 12 and the felt 11 converge on the surface top of the head roller 15 to form a gap inside which projects a jet of foaming dispersion of fibers from the headbox 20.
  • a multijet system (bi- or trijet) can also be provided for the manufacture of a laminate product.
  • the fabric 12 is stretched so as to pass over the felt 11 on the surface of the head roller 15, the foaming dispersion of fibers is pressed between the fabric 12 and the felt 11 forcing the liquid to pass through the fabric 12 in the Bacholle 22 where the foaming liquid is recovered.
  • the sheet formed in the process is transported by the felt 11 to a suction press 16 where it is transferred to the cylinder 26 of a drying cylinder.
  • the tablecloth forming the paper is dried, then creped by the doctor blade 27.
  • the paper is collected on the take-up roller 28.
  • the surfactant used to prepare the foaming liquid remains in the paper made.
  • the foaming liquid, aqueous solution comprising the surfactant is prepared and stored in silo 30.
  • the silo 30 in water via line 31.
  • the concentration of surfactant in the liquid foaming at the headbox is preferably in the range of about 100 at about 350 parts per million by weight.
  • a gas content, here in air of about 55 to 75% by volume for the foam formed from the nonionic surfactant of formula (I), is recommended for the whole process and in particular at the headbox.
  • the paper pulp from tank 36 is fed through line 33 with the foaming liquid in the headbox 20 by means of a displacement pump positive 32.
  • the formation of the foam takes place at the time of the projection of the composition from the headbox between the fabric 12 and the felt 11 on the face head roller 15.
  • the pressure of the fabric 12 on the felt 11 and the force of the sprayed liquid cause the flow of foaming liquid through the fabric 12 in the Bacholle 22.
  • the foaming liquid recovered in the Bacholle 22 is reintroduced by the line 28 in the silo 30 containing the foaming liquid. And the excess liquid foam recovered in the Bacholle 22, is brought to a separation unit liquid 45 via line 42. Decantation carried out in the separation unit 45 leads to the recovery of a foam phase enriched in surfactant which is separated and recovered by line 47, from the foaming liquid introduced into the liquid separation unit 45. A liquid phase depleted in surfactant is then separated from the foam phase enriched in surfactant and is recovered by driving 56.
  • the foam phase enriched in agent surfactant, broken in the unit 48 is then recycled in the silo 30 for the preparation of the manufacturing composition.
  • the liquid phase depleted in surfactant at the outlet of the separation of the liquid 45 is brought via line 56 to a recovery unit for the surfactant.
  • Foaming liquid is also recovered during the draining which takes place at during the manufacture of the fibrous web, at the suction press 16 or again from the suction box 84, by means of a collector 82. This foaming liquid is then fed into the surfactant recovery unit 55 by means of the line 86 which joins line 56 for supplying foaming liquid already depleted in surfactant, from the liquid separation unit 45.
  • the unit 55 includes specific means 60 for introducing gas or air to generate foam from the foaming liquid introduced into this unit separation 55.
  • the foam formed is recovered by line 64 and is broken in unit 65, then the surfactant is recycled into the silo 30 via line 51.
  • the resulting liquid, even more depleted of surfactant, is recovered in line 68 and can be treated again by another recovery unit 69 of the surfactant, mounted in series with the first unit. Two to six units of recovery can be mounted in series.
  • the machine has a "crescent former" configuration.
  • a surfactant recovery unit has been used.
  • the foaming liquid recovered when the felt is drained is sent to the recovery of the surfactant.
  • WITCONOL® SN-120 is used for these tests as surfactant non-ionic for the process according to the invention, and for comparison, the process water medium, and the foam medium process using AOS.
  • Different refining rates and different concentrations of KYMENE® 557 H, have been tested in the processes in foam medium using WITCONOL® SN-120 and AOS.
  • the concentration in WITCONOL® SN-120 in the headbox is around 225 ppm.
  • the foam obtained from WITCONOL® SN-120 has an identical appearance to that obtained from the AOS, from a visual examination of the size of the bubbles.
  • the initial water absorption rate was also compared, in the presence 6 kg of KYMENE® 557 H per tonne of dough.
  • the initial speed water absorption is 25% higher for the sheet prepared from WITCONOL® SN-120 only for the sheet prepared according to the process in water medium.
  • the method according to the invention can be implemented according to another mode of embodiment which is a variant of that applied to the pilot apparatus, which has been described previously.
  • This second embodiment is illustrated by the diagram shown in Figure 6 and is described in detail in US Patent US-A-5,200,035. It differs from the first embodiment by the stages of preparation of the composition of manufacturing introduced into the headbox.
  • the paper pulp from the pulp castle 100 diluted in a solution aqueous is introduced into a press 101.
  • the latter concentrates the mixture stationer by removing water.
  • the concentrated mixture then passes into a needle shredder 102.
  • the foaming liquid from silo 103 is also fed into the shredder 102.
  • a foaming dispersion of fibers is thus formed and conducted in a positive displacement pump 104, then in the headbox 105.
  • This process eliminates the step of processing the excess liquid recovered in the Bacholle, and therefore allows the separation unit to be eliminated.
  • Another consequence of this device for carrying out the process in a foam medium is the reduction in the recovery unit size. Indeed, in the first embodiment described previously, generally six recovery units are connected in series. Gold, according to this second embodiment, three foam recovery units are sufficient.
  • WITCONOL® as surfactant SN-120, more specifically a solution of WITCONOL® SN-120 active at 80% (i.e. the mixture sold under the brand WITCONOL® SN-120D), for the method according to the invention, and the AOS, more specifically an active AOS solution to 40%, for the control process.
  • WITCONOL® SN-120D surfactant recovery was measured that we compared to that of AOS.
  • the water recovered at the outlet of the recovery units has a concentration of nonionic surfactant of formula (I) such as WITCONOL® SN-120D, plus low, at most equal to about 3 ppm and can then be rejected or reused, having no more foaming character. This characteristic is important with regard to the environmental legislation.
  • the concentration of residual surfactant in the sheet of paper for the WITCONOL® SN-120D decreases by 65% compared to that of products made from OSA.
  • the fixed amount of this component in the sheet in the case of the process in foam medium according to the invention is completely identical to that fixed in a sheet obtained according to the process in water medium.
  • the softness property is assessed by a physical measurement test and in parallel by a panel.
  • the sheet obtained by the process has an even higher softness which can exceed 100 for mother reels and the processed product.

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Claims (6)

  1. Verfahren zum Herstellen eines Flächengebildes aus Papier oder einem Vlies in einer Schaumumgebung, dadurch gekennzeichnet, daß das Tensid zur Schaumbildung ein Gemisch ethoxilierter Alkohole der allgemeinen Formel (I) R-(OCH2CH2)n-OH ist, worin n eine ganze Zahl zwischen 4 und 20 ist und R eine lineare Alkylgruppe mit 8 bis 10 Kohlenstoffatomen ist, wobei die ethoxilierten Alkohole, die eine lineare Alkylgruppe von 10, 12 und 14 Kohlenstoffatomen haben, in dem Gemisch vorhanden sind.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß in dem Gemisch der ethoxilierte Alkohol, der eine lineare Alkylgruppe mit 10 Kohlenstoffatomen hat, den größten Anteil bildet.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Verteilung der ethoxilierten Alkohole in Abhängigkeit von der linearen Alkylgruppe wie folgt ist:
    Alkyl C8 : 2,0 % maximal
    Alkyl C10 : 83-89 %
    Alkyl C12 : 5-9 %
    Alkyl C14 : 3-7 %
    Alkyl C16 : 0,5 % maximal
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß in dem Gemisch der ethoxilierte Alkohol, der eine lineare Alkylgruppe mit 12 Kohlenstoffatomen hat, den größten Anteil bildet.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß kationische Zusatzstoffe zur Herstellung von Papier wie Weichmacher, die Naßfestigkeit verbessernde Substanzen, die Trockenfestigkeit verbessernde Substanzen und/oder Abbindemittel beigemengt werden.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß der kationische Zusatzstoff ein quaternäres Polyamin ist.
EP95908293A 1994-02-01 1995-02-01 Verfahren zur herstellung von papier oder vlies in schaumumgebung unter verwendung eines nicht-ionischen tensids Expired - Lifetime EP0742858B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9401085A FR2715671B1 (fr) 1994-02-01 1994-02-01 Procédé de fabrication d'une feuille de papier ou de non tissé en milieu mousse, utilisant un agent tensio-actif non ionique.
FR9401085 1994-02-01
PCT/FR1995/000118 WO1995021299A1 (fr) 1994-02-01 1995-02-01 Procede de fabrication d'une feuille de papier ou de nontisse en milieu mousse, utilisant un agent tensio-actif non-ionique

Publications (2)

Publication Number Publication Date
EP0742858A1 EP0742858A1 (de) 1996-11-20
EP0742858B1 true EP0742858B1 (de) 1999-06-09

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EP95908293A Expired - Lifetime EP0742858B1 (de) 1994-02-01 1995-02-01 Verfahren zur herstellung von papier oder vlies in schaumumgebung unter verwendung eines nicht-ionischen tensids

Country Status (5)

Country Link
US (1) US6103060A (de)
EP (1) EP0742858B1 (de)
ES (1) ES2133733T3 (de)
FR (1) FR2715671B1 (de)
WO (1) WO1995021299A1 (de)

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FI124235B (en) 2012-04-26 2014-05-15 Stora Enso Oyj Fiber-based paper or paperboard web and a process for its manufacture
FI126736B (en) 2013-11-26 2017-04-28 Upm Kymmene Corp Process for treating lignin and preparing a binder composition
CA3001114C (en) 2015-10-16 2024-04-16 General Mills, Inc. Paperboard product including refined cellulose
US10519607B2 (en) 2016-05-23 2019-12-31 Gpcp Ip Holdings Llc Dissolved air de-bonding of a tissue sheet
SE540719C2 (en) 2016-07-11 2018-10-23 Stora Enso Oyj Process for creating foam from an antimicrobial starch in a process for making a paper or board product
SE541735C2 (en) 2016-07-11 2019-12-03 Stora Enso Oyj Method of manufacturing an oriented strand board product using a lignin-based phenolic resin
WO2018041356A1 (en) 2016-09-01 2018-03-08 Sca Hygiene Products Ab Process for producing nonwoven
CA3034508C (en) * 2016-09-01 2022-03-29 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens
MX376250B (es) 2016-12-22 2025-03-07 Kimberly Clark Co Proceso y sistema para reorientar fibras en proceso de formacion de espuma.
CA3162941A1 (en) 2019-12-31 2021-07-08 Marvin E. Swails Foam-based manufacturing system and process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716449A (en) * 1966-05-31 1973-02-13 Wiggins Teape Res Dev Method and apparatus for forming a non-woven fibrous web from a foamed fiber furnish
US3871952A (en) * 1972-04-07 1975-03-18 Wiggins Teape Res Dev Manufacture of non-woven fibrous material from a foamed furnish
US4056456A (en) * 1973-11-22 1977-11-01 Sumitomo Chemical Company, Limited Process for preparing novel thin films
US4443299A (en) * 1980-08-18 1984-04-17 James River-Dixie/Northern, Inc. Apparatus and method for the manufacture of a non-woven fibrous web

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007840A (en) * 1958-04-03 1961-11-07 Du Pont Process of dispersing fibrous material in a foam and resulting product
US3837999A (en) * 1971-12-20 1974-09-24 Kimberly Clark Co Method of controlling the orientation of fibers in a foam formed sheet
GB1329409A (en) * 1972-04-06 1973-09-05 Wiggins Teape Research Dev Ltd Method of and apparatus for manufacturing paper or other non- woven fibrous material
US4443297A (en) * 1980-08-18 1984-04-17 James River-Dixie/Northern, Inc. Apparatus and method for the manufacture of a non-woven fibrous web
US4488932A (en) * 1982-08-18 1984-12-18 James River-Dixie/Northern, Inc. Fibrous webs of enhanced bulk and method of manufacturing same
EP0481746B1 (de) * 1990-10-17 1996-05-29 James River Corporation Of Virginia Wiedergewinnung von Benetzungsmittel aus einem Verfahren zur Papierherstellung
US5178729A (en) * 1991-01-15 1993-01-12 James River Corporation Of Virginia High purity stratified tissue and method of making same
DE69218805D1 (de) * 1991-01-15 1997-05-15 James River Corp Seidenpapier mit grosser Weichheit
US5262007A (en) * 1992-04-09 1993-11-16 Procter & Gamble Company Soft absorbent tissue paper containing a biodegradable quaternized amine-ester softening compound and a temporary wet strength resin

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716449A (en) * 1966-05-31 1973-02-13 Wiggins Teape Res Dev Method and apparatus for forming a non-woven fibrous web from a foamed fiber furnish
US3871952A (en) * 1972-04-07 1975-03-18 Wiggins Teape Res Dev Manufacture of non-woven fibrous material from a foamed furnish
US4056456A (en) * 1973-11-22 1977-11-01 Sumitomo Chemical Company, Limited Process for preparing novel thin films
US4443299A (en) * 1980-08-18 1984-04-17 James River-Dixie/Northern, Inc. Apparatus and method for the manufacture of a non-woven fibrous web

Cited By (7)

* 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
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
US11313061B2 (en) 2018-07-25 2022-04-26 Kimberly-Clark Worldwide, Inc. Process for making three-dimensional foam-laid nonwovens
US11788221B2 (en) 2018-07-25 2023-10-17 Kimberly-Clark Worldwide, Inc. Process for making three-dimensional foam-laid nonwovens
US12116706B2 (en) 2018-07-25 2024-10-15 Kimberly-Clark Worldwide, Inc. Process for making three-dimensional foam-laid nonwovens

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WO1995021299A1 (fr) 1995-08-10
FR2715671B1 (fr) 1996-03-15
ES2133733T3 (es) 1999-09-16
US6103060A (en) 2000-08-15
EP0742858A1 (de) 1996-11-20
FR2715671A1 (fr) 1995-08-04

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