EP1137719B1 - Procede de fabrication d'une fibre ou d'un groupe de fibres comportant un revetement de polymeres en interaction les uns avec les autres - Google Patents

Procede de fabrication d'une fibre ou d'un groupe de fibres comportant un revetement de polymeres en interaction les uns avec les autres Download PDF

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Publication number
EP1137719B1
EP1137719B1 EP99962630A EP99962630A EP1137719B1 EP 1137719 B1 EP1137719 B1 EP 1137719B1 EP 99962630 A EP99962630 A EP 99962630A EP 99962630 A EP99962630 A EP 99962630A EP 1137719 B1 EP1137719 B1 EP 1137719B1
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EP
European Patent Office
Prior art keywords
fibers
fiber
polymers
polymer
group
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
Application number
EP99962630A
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German (de)
English (en)
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EP1137719A1 (fr
Inventor
Sven Forsberg
Lars Wagberg
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.)
Essity Hygiene and Health AB
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SCA Hygiene Products AB
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Filing date
Publication date
Application filed by SCA Hygiene Products AB filed Critical SCA Hygiene Products AB
Publication of EP1137719A1 publication Critical patent/EP1137719A1/fr
Application granted granted Critical
Publication of EP1137719B1 publication Critical patent/EP1137719B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • D21H11/20—Chemically or biochemically modified fibres
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/26—Ethers thereof
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic

Definitions

  • the present invention refers to a method of producing a fiber or group of fibers having a coating of at least two, preferably at least three, outside each other located thin layers of interacting polymers, at which the fiber or group of fibers is treated in consecutive steps with solutions of the interacting polymers.
  • a coating modifies the properties of the fibers as well as the properties of the products, e g paper and nonwoven, in which the treated fibers are contained.
  • Dual surface treatment of filler particles with anionic and cationic polymers is disclosed in EP-A-0 850 879, WO 95/32335, US-A-4,495,245 and US-A-4,925,530. There is no indication that the treatment takes place under such controlled conditions that a double- or multilayer is created on the pulp fibers with the anionic component in one layer and the cationic component in the other layer.
  • the object of the present invention is to provide a method for producing fibers or groups of fibers, having a coating of at least two, preferably at least three, outside each other located thin layers of interacting polymers, at which the fiber or group of fibers is treated in consecutive steps with solutions of the interacting polymers. This has been provided by the fact that excess of the previous polymer is removed between each treatment step alternatively that the respective polymer is added only in such an amount in each step that substantially all polymer is adsorbed to the fiber surface.
  • the fibers or groups of fibers may be of optional type, however e g cellulosic fibers, regenerated fibers and different types of synthetic fibers are mainly concerned.
  • the interacting polymers are preferably alternating cationic and anionic polyelectrolytes, but they may also be so called zwitter ions.
  • each of said thin layers is preferably between 3 and 100 ⁇ , more preferably between 7 and 20 ⁇ .
  • the invention further refers to a paper- or nonwoven product, which contains fibers produced by the method described above.
  • fibers or groups of fibers are treated with interacting polymers in order to build up thin multilayers of the interacting polymers on the fiber surface.
  • interacting polymers in principle the technique described in for example above mentioned articles from Thin Solid Films is used in case alternating cationic and anionic polyelectrolytes are used as interacting polymers, with the difference that according to the invention the substrate is fibers groups of fibers.
  • the fibers are treated in consecutive steps with solutions of the interacting polymers, at which the treatment time for each step is sufficient for forming a layer of the desired molecular thickness, preferably of the magnitude 5-100 ⁇ .
  • the interaction between the fibers can be in the form of electrostatic forces, at which the polymers consist of alternating cationic and anionic polyelectrolytes, or by interaction between nonionic polymers by means of e g dispersion forces or hydrogen bonds. Examples of this type of interaction between nonionic polymers are adsorption of polyethylene oxide on unbleached cellulosic fibers and complex formation between polyethylene oxide and polyacrylic acid.
  • the first layer should be a cationic polymer for particles or groups of particles having an anionic surface, which for example is the case for cellulosic fibers, and vice versa.
  • Possible excess of the previous polyelectrolyte can be removed between every treatment step, e g by rinsing with water.
  • the addition is controlled in such a way that no excess amount of the respective polymer is added in each step, so that substantially all polymer is adsorbed to the fiber surface.
  • the method is based on electrostatic attraction between oppositely charged polyelectrolytes for building the desired multilayers.
  • a solution containing polyions of opposite charge and pennit these spontaneously to adsorb to the particle surface multilayers of the stated kind are built up.
  • all types of polyelectrolytes may be used.
  • ion-exchanging fibers where "membranes" with ion-exchanging properties are provided on the fiber surface, wet strength agents where the added polymers are reactive with the fibers and with each other, in order to provide permanent bonds between the fibers and for the production of highly swelling surface layers, where the added chemicals form swollen gel structures on the fiber surface for use in absorbent hygiene products.
  • Another possible application are new types of fibers for printing paper, where the adsorbed polymers change colour when they are exerted to an electric, magnetic or electromagnetic field. Such polymers are available today.
  • the fibers that are treated with the method according to the invention can be of optional kind, natural as well as synthetic fibers. Mainly cellulosic fiber are concerned. However it would be possible to treat synthetic fibers, for example for giving them a more hydrophilic surface.
  • groups of fibers can be treated according to the method.
  • Anionic polyelectrolytes Anionic starch with different degrees of substitution, polystyrene sulphonate, carboxy methyl cellulose with different degrees of substitution, anionic galactoglucomannan, polyphosphoric acid, polymethacrylic acid, polyvinyl sulphate, alginate, copolymers of acryl amide and acrylic acid or 2-acrylic amide-2-alkylpropane sulphonic acid.
  • Cationic polyelectrolyte Cationic galactoglucomannan, polyvinyl amine, polyvinyl pyridine and its N-alkyl derivatives, polyvinyl pyrrolidone, chitosan, alginate, modified polyacryl amides, polydiallyl dialkyl, cationic amide amines, condensation products between dicyane diamides, formaldehyde and an ammonium salt, reaction products between epichlorhydrine, polyepichlorhydrine and ammonia, primary and secondary amines, polymers formed by reaction between ditertiary amines or secondary amines or dihaloalkanes, polyethylene imines and polymers formed by polymerisation ofN-(dialkylaminoalkyl)acrylic amide monomers.
  • the example below shows the increase of tensile strength of sheets made in a dynamic sheet former.
  • the pulp that is used was bleached SWK (softwood sulphate pulp) beaten in accordance with SCAN-C 18:65, diluted to 3g/l and pH adjusted to 8.
  • PVAm polyvinyl amine
  • CMC carboxy methyl cellulose
  • an anionic polymer was added in excess, and after 10 minutes non-adsorbed polymer was removed through washing. Admixture of PVAm and CMC was repeated in several steps.
  • A-PAM anionic polyacryl amide
  • DMDAAC canonic polydimethyl diallyl ammonium chloride

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Paints Or Removers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Multicomponent Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Claims (7)

  1. Procédé de production d'une fibre ou d'un ensemble de fibres, dotée(s) d'un revêtement constitué d'au moins deux, et de préférence, d'au moins trois minces couches de polymères interagissants, disposées à l'extérieur l'une de l'autre, dans lequel procédé l'on traite la fibre ou l'ensemble de fibres, au cours d'étapes successives, avec des solutions des polymères interagissants,
    caractérisé en ce que, à chaque intervalle entre deux étapes de traitement, on élimine l'excès du polymère de l'étape précédente, ou autrement, en ce que, à chaque étape, l'on n'ajoute du polymère concerné qu'en une quantité telle que pratiquement la totalité de ce polymère s'adsorbe à la surface de la fibre.
  2. Procédé conforme à la revendication 1, caractérisé en ce que la fibre est une fibre cellulosique.
  3. Procédé conforme à la revendication 1, caractérisé en ce que la fibre est une fibre synthétique ou une fibre régénérée.
  4. Procédé conforme à l'une des revendications précédentes, caractérisé en ce que les polymères interagissants sont des ampholytes ou des polyélectrolytes anioniques et cationiques alternants.
  5. Procédé conforme à l'une des revendications précédentes, caractérisé en ce que chacune desdites minces couches est épaisse de 1 à 100 Å.
  6. Procédé conforme à l'une des revendications précédentes, caractérisé en ce que chacune desdites minces couches est épaisse de 7 à 20 Å.
  7. Papier ou produit non-tissé, caractérisé en ce qu'il contient des fibres produites par un procédé conforme à l'une des revendications 1 à 6.
EP99962630A 1998-11-30 1999-11-23 Procede de fabrication d'une fibre ou d'un groupe de fibres comportant un revetement de polymeres en interaction les uns avec les autres Expired - Lifetime EP1137719B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9804123 1998-11-30
SE9804123A SE521591C2 (sv) 1998-11-30 1998-11-30 Metod att framställa en partikel uppvisande beläggning av med varandra växelverkande polymerer och pappers -eller nonwovenprodukt innehållande partiklarna
PCT/SE1999/002149 WO2000032702A1 (fr) 1998-11-30 1999-11-23 Procede de fabrication d'une particule ou d'un groupe de particules comportant un revetement de polymeres en interaction les uns avec les autres

Publications (2)

Publication Number Publication Date
EP1137719A1 EP1137719A1 (fr) 2001-10-04
EP1137719B1 true EP1137719B1 (fr) 2006-02-22

Family

ID=20413481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99962630A Expired - Lifetime EP1137719B1 (fr) 1998-11-30 1999-11-23 Procede de fabrication d'une fibre ou d'un groupe de fibres comportant un revetement de polymeres en interaction les uns avec les autres

Country Status (14)

Country Link
US (1) US20020088579A1 (fr)
EP (1) EP1137719B1 (fr)
JP (1) JP2002531714A (fr)
AT (1) ATE318289T1 (fr)
AU (1) AU1903500A (fr)
BR (1) BR9915750A (fr)
CO (1) CO5121087A1 (fr)
DE (1) DE69930005T2 (fr)
ES (1) ES2259242T3 (fr)
HU (1) HU225401B1 (fr)
PL (1) PL348462A1 (fr)
SE (1) SE521591C2 (fr)
WO (1) WO2000032702A1 (fr)
ZA (1) ZA200103812B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0001268L (sv) * 2000-04-06 2001-10-07 Sca Hygiene Prod Ab Förfarande för adsorption av på varandra följande tunna skikt av katjoniska och anjoniska polymerer på ytan hos partiklar eller grupper av partiklar, och pappers- eller nonwovenprodukt innehållande s ådana partiklar eller grupper av partiklar
DE10315363A1 (de) * 2003-04-03 2004-10-14 Basf Ag Wässrige Anschlämmungen von feinteiligen Füllstoffen, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung füllstoffhaltiger Papiere
DE10334133A1 (de) * 2003-07-25 2005-02-24 Basf Ag Wässrige Zusammensetzung und deren Verwendung zur Papierherstellung
US9156990B2 (en) 2003-12-22 2015-10-13 Eka Chemicals Ab Filler for papermaking process
KR100585138B1 (ko) * 2004-04-08 2006-05-30 삼성전자주식회사 반도체 소자 제조용 마스크 패턴 및 그 형성 방법과 미세패턴을 가지는 반도체 소자의 제조 방법
ES2377754T3 (es) * 2004-10-15 2012-03-30 Stora Enso Ab Procedimiento para producir un papel o cartón y un papel o cartón producido según el procedimiento
ES2554691T3 (es) * 2004-12-17 2015-12-22 Basf Se Papeles con un alto contenido de cargas y una elevada resistencia a la tracción en seco
EP1885954B1 (fr) * 2005-05-11 2011-01-26 Stora Enso Ab Procede de fabrication d'un papier et papier fabrique selon ce procede
EP1931397B1 (fr) 2005-10-05 2009-04-08 SCA Hygiene Products AB Article absorbant comprenant des regions hydrophiles et hydrophobes
AU2005337071B2 (en) 2005-10-05 2011-11-24 Sca Hygiene Products Ab Absorbent article comprising a thin film including an active agent
EP1984564A4 (fr) * 2006-02-03 2013-04-03 Nanopaper Llc Fonctionnalisation de composants en papier
JP5202857B2 (ja) * 2007-03-13 2013-06-05 古河電気工業株式会社 分散性が高く、非特異的吸着を防止した複合粒子、複合粒子コロイド、それを用いた分析試薬、及び複合粒子の製造方法
EP2164907B1 (fr) * 2007-07-05 2017-02-22 Basf Se Suspensions aqueuses de charges en fines particules, leur procédé de préparation et leur utilisation pour produire des papiers à teneur en charges et à résistance à sec élevées
CA2692297C (fr) * 2007-07-05 2019-04-02 Basf Se Suspensions aqueuses de charges en fines particules, leur procede de preparation et leur utilisation pour produire des papiers a teneur en charges et a resistance a sec elevees
FI121999B (fi) * 2009-10-06 2011-07-15 Upm Kymmene Corp Menetelmä rainan valmistamiseksi ja raina
JP5489914B2 (ja) * 2010-08-19 2014-05-14 花王株式会社 水解紙の製造方法及び水解性清浄物品の製造方法
CN105612284B (zh) 2013-11-07 2018-01-23 尤妮佳股份有限公司 吸收性物品用复合化材料及其制造方法
SE539914C2 (sv) 2014-04-29 2018-01-09 Stora Enso Oyj Process för framställning av åtminstone ett skikt hos ett papper eller en kartong samt ett papper eller en kartong som framställts enligt processen
CA3001114C (fr) 2015-10-16 2024-04-16 General Mills, Inc. Produit de carton comprenant de la cellulose raffinee
DE102021005047A1 (de) 2021-10-08 2023-04-13 Factum Consult Gmbh Polyelektrolytsystem, Zusammensetzung mit einem Polyelektrolytsystem und Verfahren zur Herstellung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770482A (en) * 1971-01-18 1973-11-06 Beatrice Foods Co Electrostatic coating method of applying multilayer coating
GB1505641A (en) * 1974-04-19 1978-03-30 Grace W R & Co Process of preparing a filler composition for paper
US4488932A (en) * 1982-08-18 1984-12-18 James River-Dixie/Northern, Inc. Fibrous webs of enhanced bulk and method of manufacturing same
US4495245A (en) * 1983-07-14 1985-01-22 E. I. Du Pont De Nemours And Company Inorganic fillers modified with vinyl alcohol polymer and cationic melamine-formaldehyde resin
GB8531558D0 (en) * 1985-12-21 1986-02-05 Wiggins Teape Group Ltd Loaded paper
US5244542A (en) * 1987-01-23 1993-09-14 Ecc International Limited Aqueous suspensions of calcium-containing fillers
DE4026978A1 (de) * 1990-08-25 1992-02-27 Bayer Ag Auf traegern angebrachte ein- oder mehrlagige schichtelemente und ihre herstellung
US5155791A (en) * 1990-12-07 1992-10-13 E. I. Du Pont De Nemours And Company Hybrid optical waveguides for phase-matched nonlinear wavelength conversion
IL113721A (en) * 1994-05-20 1999-04-11 Minerals Tech Inc Dual surface treated filler material method for its preparation and use in papermaking
US5716709A (en) * 1994-07-14 1998-02-10 Competitive Technologies, Inc. Multilayered nanostructures comprising alternating organic and inorganic ionic layers
GB9626941D0 (en) * 1996-12-27 1997-02-12 Ecc Int Ltd Dispersed aqueous suspensions

Also Published As

Publication number Publication date
HUP0104488A3 (en) 2003-07-28
DE69930005D1 (de) 2006-04-27
BR9915750A (pt) 2001-08-28
US20020088579A1 (en) 2002-07-11
AU1903500A (en) 2000-06-19
DE69930005T2 (de) 2006-10-26
HU225401B1 (en) 2006-11-28
ES2259242T3 (es) 2006-09-16
WO2000032702A1 (fr) 2000-06-08
JP2002531714A (ja) 2002-09-24
ATE318289T1 (de) 2006-03-15
PL348462A1 (en) 2002-05-20
ZA200103812B (en) 2002-08-12
SE9804123D0 (sv) 1998-11-30
HUP0104488A2 (hu) 2002-03-28
CO5121087A1 (es) 2002-01-30
EP1137719A1 (fr) 2001-10-04
SE521591C2 (sv) 2003-11-18
SE9804123L (sv) 2000-05-31

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