EP1084295B1 - Procede de production de papier - Google Patents
Procede de production de papier Download PDFInfo
- Publication number
- EP1084295B1 EP1084295B1 EP99947042A EP99947042A EP1084295B1 EP 1084295 B1 EP1084295 B1 EP 1084295B1 EP 99947042 A EP99947042 A EP 99947042A EP 99947042 A EP99947042 A EP 99947042A EP 1084295 B1 EP1084295 B1 EP 1084295B1
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- EP
- European Patent Office
- Prior art keywords
- carbon atoms
- group
- cationic
- monomer
- suspension
- 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.)
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- 0 *C(C(*BN*)=O)=C Chemical compound *C(C(*BN*)=O)=C 0.000 description 5
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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
-
- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- 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
- D21H11/14—Secondary 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
- D21H17/01—Waste products, e.g. sludge
-
- 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
-
- 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
- D21H17/28—Starch
-
- 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
- D21H17/31—Gums
- D21H17/32—Guar or other polygalactomannan gum
-
- 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
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- 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
- D21H17/45—Nitrogen-containing groups
- D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
-
- 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
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
- D21H23/10—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH at least two kinds of compounds being added
Definitions
- an aqueous suspension containing cellulosic fibres, and optional fillers and additives referred to as stock
- a headbox which ejects the stock onto a forming wire.
- Water is drained from the stock through the forming wire so that a wet web of paper is formed on the wire, and the web is further dewatered and dried in the drying section of the paper machine.
- white water which usually contains fine particles, e.g. fine fibres, fillers and additives, is usually recirculated in the papermaking process.
- the process further comprises forming and dewatering the suspension on a wire to obtain a wet web containing cellulosic fibres, or paper, and white water, recirculating the white water and optionally introducing fresh water to form a suspension containing cellulosic fibres, and optional fillers, to be dewatered to form paper, wherein the amount of fresh water introduced is less than 30 tons per ton of dry paper produced.
- the cationic organic polymer having a hydrophobic group according to this invention can be linear, branched or cross-linked, e.g. in the form of a microparticulate material, preferably essentially linear.
- the main polymer is water-soluble or water-dispersable.
- the hydrophobic group of the main polymer is non-aromatic and it can be a pendent group attached to the polymer backbone (main chain) or, preferably, a hydrophobic group attached to a heteroatorn, e.g. nitrogen or oxygen, the nitrogen optionally being charged, which heteroatom, in turn, can be attached to the polymer backbone, for example via a chain of atoms.
- n-hexyl and cyclohexyl heptyl, e.g. n-heptyl and cycloheptyl, octyl, e.g. n-octyl; nonyl, e.g. n-nonyl; decyl, e.g. n-decyl; undecyl, e.g. n-undecyl and dodecyl, e.g. n-dodecyl.
- the linear and branched chain alkyl groups are generally preferred.
- the main polymer can be selected from homopolymers and copolymers prepared from one or more monomers comprising at least one monomer having a hydrophobic group, suitably an ethylenically unsaturated monomer, and the main polymer is preferably a vinyl addition polymer.
- the cationic monomer having a non-aromatic hydrophobic group is represented by the general formula (I): wherein R 1 is H or CH 3 ; R 2 and R 3 are each H or, preferably, an alkyl group having from 1 to 3 carbon atoms, suitably 1 to 2 carbon atoms; A is O or NH; B is an alkylene group of from 2 to 8 carbon atoms, suitably 2 to 4 carbon atoms, or a hydroxy propylene group; R 4 is a substituent containing a hydrophobic group, suitably a non-aromatic hydrocarbon group containing at least 2 carbon atoms, suitably from 3 to 12 and preferably from 4 to 8 carbon atoms; and X - is an anionic counterion, usually a halide like chloride.
- R 1 is H or CH 3
- R 2 and R 3 are each H or, preferably, an alkyl group having from 1 to 3 carbon atoms, suitably 1 to 2 carbon atoms
- A is O or
- the group R 4 usually comprises and, preferably, is selected from any of the linear, branched or cyclic alkyl groups mentioned above and the total number of carbon atoms of the groups R 2 , R 3 and R 4 is usually at least 4, suitably at least 5 and preferably at least 6.
- Suitable cationic monomers having a non-aromatic hydrophobic group include (meth)acryloxyethyl-N,N-dimethyl-N-n-butylammonium chloride, (meth)acryloxyaminoethyl-N,N-dimethyl-N-n-butylammonium chloride, (meth)acryloxypropyl-N, N-dimethyl-N-t-butylammonium chloride, (meth)acryloxyaminopropyl-N,N-dimethyl-N-t-butylammonium chloride, (meth)acryloxyaminopropyl-N,N-dimethyl-N-n-hexylammonium chloride, (meth)acryloxyethyl-N,N-dimethyl-N-n-hexylammonium chloride, (meth)acryloxyethyl-N,N-dimethyl-N-n-hexylammonium chloride, (
- the main polymer can be a homopolymer prepared from a cationic monomer having a non-aromatic hydrophobic group or a copolymer prepared from a monomer mixture comprising a cationic monomer having a non-aromatic hydrophobic group and one or more copolymerizable monomers.
- suitable copolymerizable monomers of this type include (meth)-acrylamide; acrylamide-based monomers like N-alkyl (meth)acrylamides and N,N-dialkyl (meth)acrylamides, e.g. N-n-propylacrylamide, N-isopropyl (meth)acrylamide, N-n-butyl (meth)acrylamide, N-isobutyl (meth)acrylamide and N-t-butyl (meth)acrylamide; and dialkylaminoalkyl (meth)acrylamides, e.g.
- Preferred copolymerizable non-ionic monomers include acrylamide and methacrylamide, i.e. (meth)acrylamide, and the main polymer is preferably an acrylamide-based polymer.
- Suitable copolymerizable cationic monomers include the monomers represented by the general formula (III): wherein R 1 is H or CH 3 ; R 2 and R 3 are each H or, preferably, an alkyl group having from 1 to 3 carbon atoms. suitably 1 to 2 carbon atoms; A is O or NH; B is an alkylene group of from 2 to 8 carbon atoms, suitably 2 to 4 carbon atoms, or a hydroxy propylene group; R 7 is H, a hydrocarbon group, suitably alkyl, having from 1 to 3 carbon atoms, suitably 1 to 2 carbon atoms.
- a substituent containing an aromatic group suitably a phenyl or substituted phenyl group, which can be attached to the nitrogen by means of an alkylene group usually having from 1 to 3 carbon atoms, suitably 1 to 2 carbon atoms, for example a benzyl group (-CH 2 -C 6 H 5 ) or a phenylethyl group (-CH 2 -CH 2 -C 6 H 5 ); and X - is an anionic counterion. usually methylsulphate or a halide like chloride.
- Suitable cationic copolymerizable monomers include acid addition salts and quaternary ammonium salts of the dialkylaminoalkyl (meth)acrylamides and dialkylaminoalkyl (meth)acrylates mentioned above, usually prepared using acids like HCl. H 2 SO 4 , etc., or quaternizing agents like methyl chloride, dimethyl sulphate, benzyl chloride, etc.; and diallyldialkylammonium halides like diallyldimethylammonium chloride.
- Copolymerizable anionic monomers like acrylic acid, methacrylic acid, various sulfonated vinyl addition monomers, etc. can also be employed and, preferably, in minor amounts.
- suitable main polymers include cationic vinyl addition polymers obtained by polymerizing a monomer mixture comprising at least one non-cationic ethylenically unsaturated monomer having a non-aromatic hydrophobic group and at least one cationic ethylenically unsaturated monomer, the non-aromatic hydrophobic group being as defined above, and this invention further relates to a cationic vinyl addition polymer having a non-aromatic hydrophobic group, its preparation and use, as further defined in the claims.
- R 1 is H or CH 3 ;
- A is O or NH;
- B is an al
- the total number of carbon atoms of the groups R 8 and R 9 is usually at least 2, suitably at least 3 and notably from 3 to 6.
- suitable copolymerizable monomers of this type include acrylamide-based monomers like N-alkyl (meth)acrylamides, e.g.
- non-cationic monomers having a non-aromatic hydrophobic group include non-ionic monomers represented by the general formula (V): wherein R 1 is H or CH 3 ; A is O or NH; B is an alkylene group of from 2 to 4 carbon atoms, suitably 2 to 3 carbon atoms, preferably ethylene (-CH 2 -CH 2 -) or propylene (-CH 2 -CH(CH 3 )- or -CH(CH 3 ) - CH 2 -); n is an integer of at least 1, suitably from 2 to 40 and preferably 3 to 20; R 10 is a substituent containing a hydrophobic group, suitably alkyl, having at least 2 carbon atoms, suitably from 3 to 12 and preferably from 4 to 8 carbon atoms.
- V non-ionic monomers represented by the general formula (V): wherein R 1 is H or CH 3 ; A is O or NH; B is an alkylene group of from 2 to 4 carbon atoms, suitably 2
- suitable copolymerizable monomers of this type include alkyl (mono-, di- and polyethyleneglycol) (meth)acrylates and alkyl (mono-, di- and polypropyleneglycol) (meth)acrylates, e.g. ethyltriglycol (meth)acrylate and butyldiglycol (meth)acrylate.
- the cationic monomer can be selected from any of the cationic monomers mentioned above, including the cationic monomers represented by the general formulae (I) and (III) as well as diallyldialkylammonium halides like diallyldimethylammonium chloride.
- the monomer mixture according to the second embodiment may also comprise other copolymerizable monomers such as, for example, the non-ionic monomers represented by the general formula (II) above which may not have a hydrophobic group, suitably acrylamide and methacrylamide, and the anionic monomers mentioned above.
- the monomer having a non-aromatic hydrophobic group is non-cationic and the monomer mixture thus also comprises a copolymerizable cationic monomer which suitably is present in an amount of from 2 to 50 mole% and preferably from 5 to 25 mole%.
- silica-based particles of this type include colloidal aluminium-modified silica and aluminium silicates. Mixtures of such suitable silica-based particles can also be used. Drainage and retention aids comprising suitable anionic silica-based particles are disclosed in U.S. Patent Nos.
- the anionic inorganic particles are silica-based particles having a specific surface area within the range of from 50 to 1000 m 2 /g, preferably from 100 to 950 m 2 /g.
- Sols of silica-based particles these types also encompass modified sols like aluminium-containing silica-based sols and boron-containing silica-based sols.
- the silica-based particles are present in a sol having an S-value in the range of from 8 to 45%, preferably from 10 to 30%, containing silica-based particles with a specific surface area in the range of from 300 to 1000 m 2 /g, suitably from 500 to 950 m 2 /g, and preferably from 750 to 950 m 2 /g, which sols can be modified with aluminium and/or boron as mentioned above.
- the particles can be surface-modified with aluminium to a degree of from 2 to 25% substitution of silicon atoms.
- the S-value can be measured and calculated as described by Iler & Dalton in J. Phys. Chem. 60(1956), 955-957. The S-value indicates the degree of aggregate or microgel formation and a lower S-value is indicative of a higher degree of aggregation.
- Aluminium compounds that can be used according to this invention include alum, aluminates, aluminium chloride, aluminium nitrate and polyaluminium compounds, such as polyaluminium chlorides, polyaluminium sulphates, polyaluminium compounds containing both chloride and sulphate ions, polyaluminium silicate-sulphates, and mixtures thereof.
- the polyaluminium compounds may also contain other anions than chloride ions, for example anions from sulfuric acid, phosphoric acid, organic acids such as citric acid and oxalic acid.
- the components of the present drainage and retention aids are added into the stock to be dewatered in amounts which can vary within wide limits depending on, inter alia, type and number of components, type of furnish, filler content, type of filler, point of addition, salt content, etc. Generally the components are added in an amount that give better drainage and/or retention than is obtained when not adding the components.
- the main polymer is usually added in an amount of at least 0.001%, often at least 0.005% by weight, based on dry stock substance, and the upper limit is usually 3% and suitably 1.5% by weight.
- the anionic microparticulate material is usually added in an amount of at least 0.001% by weight, often at least 0.005% by weight, based on dry substance of the stock, and the upper limit is usually 1.0% and suitably 0.6% by weight.
- the total amount added is suitably within the range of from 0.005 to 0.5% by weight, calculated as SiO 2 and based on dry stock substance, preferably within the range of from 0.01 to 0.2% by weight.
- an LMW cationic organic polymer in the process it can be added in an amount of at least 0.05%, based on dry substance of the stock to be dewatered.
- the amount is in the range of from 0.07 to 0.5%, preferably in the range from 0.1 to 0.35%.
- the total amount introduced into the stock to be dewatered is dependent on the type of aluminium compound used and on other effects desired from it. It is for instance well known in the art to utilise aluminium compounds as precipitants for rosin-based sizing agents.
- the total amount added is usually at least 0.05%, calculated as Al 2 O 3 and based on dry stock substance. Suitably the amount is in the range of from 0.5 to 3.0%, preferably in the range from 0.1 to 2.0%.
- the invention is particularly useful in the manufacture of paper from stocks having high contents of salts of di- and multivalent cations, and usually this content is at least 200 ppm, suitably at least 300 ppm and preferably at least 400 ppm.
- the invention is further suitably used in papermaking processes where white water is extensively recirculated (recycled), i.e. with a high degree of white water closure, for example where from 0 to 30 tons of fresh water are used per ton of dry paper produced, usually less than 20, suitably less than 15, preferably less than 10 and notably less than 5 tons of fresh water per ton of paper.
- Recirculation of white water obtained in the process suitably comprises mixing the white water with cellulosic fibres and/or optional filters to form a suspension to be dewatered; preferably it comprises mixing the white water with a suspension containing cellulosic fibres, and optional fillers, before the suspension enters the forming wire for dewatering.
- the suspensions can be based on fibres from chemical pulp such as sulphate, sulphite and organosolv pulps, mechanical pulp such as thermomechanical pulp, chemothermomechanical pulp, refiner pulp and groundwood pulp, from both hardwood and softwood, and can also be based on recycled fibres, optionally from de-inked pulps, and mixtures thereof.
- chemical pulp such as sulphate, sulphite and organosolv pulps
- mechanical pulp such as thermomechanical pulp, chemothermomechanical pulp, refiner pulp and groundwood pulp, from both hardwood and softwood
- recycled fibres optionally from de-inked pulps, and mixtures thereof.
- the furnish was the same as used in Example 2.
- Stock volume was 800 ml, pH about 7 and conductivity was adjusted to 7.0 mS/cm by addition of calcium chloride (1300 ppm Ca), thus simulating a high electrolyte content and a high degree of white water closure.
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- Paper (AREA)
- Polarising Elements (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Claims (21)
- Procédé de production de papier à partir d'une suspension contenant des fibres cellulosiques, et d'éventuelles charges, comprenant l'addition à la suspension d'agents auxiliaires d'égouttage et de rétention qui comprennent un polymère organique cationique et un matériau microparticulaire anionique, la formation et la déshydratation de la suspension sur une toile métallique, caractérisé en ce que le polymère organique cationique présente un groupe hydrophobe non-aromatique qui est un groupe alkyle comportant au moins trois atomes de carbone, choisi parmi les groupes n-propyle, iso-propyle, n-butyle, iso-butyle, t-butyle, pentyle, hexyle, heptyle, octyle, nonyle, décyle, undécyle et dodécyle, et en ce que la suspension qui se déshydrate sur la toile métallique, présente une conductivité d'au moins 2,0 mS/cm.
- Procédé de production de papier à partir d'une suspension contenant des fibres cellulosiques, et d'éventuelles charges, comprenant l'addition à la suspension d'agents auxiliaires d'égouttage et de rétention qui comprennent un polymère organique cationique et un matériau microparticulaire anionique, la formation et la déshydratation de la suspension sur une toile métallique, caractérisé en ce que la suspension qui se déshydrate sur la toile métallique présente une conductivité d'au moins 2,0 mS/cm, et en ce que le polymère organique cationique comprend, sous une forme polymérisée, un ou plusieurs monomères comprenant au moins un monomère ayant un groupe hydrophobe non-aromatique choisi parmi :(i) un monomère cationique ayant un groupe hydrophobe non-aromatique, représenté par la formule générale (I) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun H ou un groupe alkyle comportant de 1 à 3 atomes de carbone ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 8 atomes de carbone ou un groupe hydroxypropylène ; R4 représente un substituant contenant un groupe hydrophobe non-aromatique comportant de 3 à 12 atomes de carbone ; et X- représente un contre-ion anionique ;(ii) un monomère non-ionique ayant un groupe hydrophobe non-aromatique, représenté par la formule générale (IV) : dans laquelle R1 représente H ou CH3 ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 8 atomes de carbone ou un groupe hydroxypropylène ou, alternativement, A et B ne représentent rien tous les deux, ce qui conduit à une liaison simple entre C et N (O=C-NR8R9) ; R8 et R9 représentent chacun H ou un substituant contenant un groupe hydrophobe non-aromatique comportant de 1 à 6 atomes de carbone, au moins l'un des R8 et R9 étant un substituant qui contient un groupe hydrophobe comportant de 2 à 6 atomes de carbone ; et
- Procédé selon la revendication 1 ou 2, caractérisé en ce que le polymère organique cationique est un polymère vinylique d'addition comprenant, sous une forme polymérisée, au moins un monomère non-cationique ayant un groupe hydrophobe non-aromatique, et au moins un monomère cationique.
- Procédé selon la revendication 1, 2 ou 3, caractérisé en ce que le groupe hydrophobe est relié à un atome d'azote ou d'oxygène qui, à son tour, est relié au squelette polymère via une chaíne d'atomes.
- Procédé selon la revendication 1, 2, 3 ou 4, caractérisé en ce que le groupe hydrophobe est un groupe alkyle comportant de 4 à 8 atomes de carbone.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le polymère organique cationique est un polymère à base d'acrylamide.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le polymère organique cationique comprend, sous une forme polymérisée, un monomère cationique ayant un groupe hydrophobe non-aromatique, représenté par la formule générale (I) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun un groupe alkyle comportant de 1 à 2 atomes de carbone ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone ou un groupe hydroxypropylène ; R4 est un substituant qui contient un groupe alkyle comportant de 4 à 8 atomes de carbone ; et X- est un contre-ion anionique.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le polymère organique cationique comprend, sous une forme polymérisée, un monomère non-ionique ayant un groupe hydrophobe non-aromatique, représenté par la formule générale (IV) : dans laquelle R1 représente H ou CH3 ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone ou un groupe hydroxypropylène ou, alternativement, A et B ne représentent rien tous les deux, ce qui conduit à une liaison simple entre C et N (O=C-NR8R9) ; R8 et R9 représentent chacun H ou un substituant qui contient un groupe alkyle comportant de 1 à 6 atomes de carbone, au moins l'un des R8 et R9 étant un substituant qui contient un groupe alkyle comportant de 3 à 4 atomes de carbone.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le polymère organique cationique comprend, sous une forme polymérisée, un monomère non-ionique ayant un groupe hydrophobe non-aromatique, représenté par la formule générale (V) : dans laquelle R1 représente H ou CH3 ; A représente O ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone ; n est un nombre entier d'au moins 1 ; R10 représente un groupe alkyle comportant au moins 2 atomes de carbone.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le polymère organique cationique est un polymère vinylique d'addition préparé à partir d'un mélange de monomères qui comprend de 5 à 25 % en moles d'un monomère ayant un groupe hydrophobe non-aromatique, et de 95 à 75 % en moles d'autres monomères copolymérisables.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le matériau microparticulaire anionique est choisi parmi les particules à base de silice et la bentonite.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les agents auxiliaires d'égouttage et de rétention comprennent en outre un polymère organique cationique de faible masse moléculaire.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la suspension qui se déshydrate sur une toile métallique présente une conductivité d'au moins 3,5 mS/cm.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le procédé comprend en outre la déshydratation de la suspension sur une toile métallique pour obtenir une nappe humide de papier et de l'eau blanche, la remise en circulation de l'eau blanche et éventuellement l'introduction d'eau fraíche pour former une suspension contenant des fibres cellulosiques, et d'éventuelles charges, à déshydrater, dans lequel la quantité d'eau fraíche introduite est inférieure à 30 tons par ton de papier sec produit.
- Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que moins de 10 tons d'eau fraíche sont introduits dans le procédé, par ton de papier sec produit.
- Polymère vinylique cationique d'addition comprenant, sous une forme polymérisée :(a) au moins un monomère non-cationique ayant un monomère hydrophobe non-aromatique ;(b) au moins un monomère cationique ; et(c) un (méth)acrylamide ;(a) ledit monomère non-cationique, au nombre d'au moins un, ayant un groupe hydrophobe non-aromatique, comprenant un monomère représenté par la formule générale (IV) : dans laquelle R1 représente H ou CH3 ; A et B ne représentent rien tous les deux, ce qui conduit à une liaison simple entre C et N (O=C-NR8R9) ; R8 et R9 représentent chacun H ou un substituant qui contient un groupe alkyle comportant de 1 à 6 atomes de carbone, au moins l'un des R8 et R9 étant un substituant qui contient un groupe alkyle comportant de 2 à 6 atomes de carbone ;(b) ledit monomère cationique, au nombre d'au moins un, comprenant un monomère cationique choisi dans l'ensemble constitué de :(i) des monomère cationiques représentés par la formule générale (I) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun H ou un groupe alkyle comportant de 1 à 3 atomes de carbone ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone ou un groupe hydroxypropylène ; R4 représente un groupe hydrocarboné non-aromatique comportant de 4 à 8 atomes de carbone ; et X- représente un contre-ion anionique ;(ii) des monomères cationiques représentés par la formule générale (III) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun H ou un groupe alkyle comportant de 1 à 3 atomes de carbone, A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone, ou un groupe hydroxypropylène ; R7 représente H, un groupe alkyle comportant de 1 à 3 atomes de carbone, un groupe benzyle ou un groupe phényléthyle ; et X- représente un contre-ion anionique ;(iii) et leurs mélanges.
- Polymère vinylique cationique d'addition selon la revendication 16, caractérisé en ce que le (méth)acrylamide est un acrylamide.
- Polymère vinylique cationique d'addition selon la revendication 16 ou 17, caractérisé en ce que le groupe hydrophobe non-aromatique est un groupe alkyle choisi parmi les groupes n-propyle, iso-propyle, n-butyle, iso-butyle et t-butyle.
- Polymère vinylique cationique d'addition selon l'une quelconque des revendications 16 à 18, caractérisé en ce que le polymère vinylique cationique d'addition comprend, sous une forme polymérisée, un monomère cationique représenté par la formule générale (I) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun H ou un groupe alkyle comportant de 1 à 3 atomes de carbone ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone ou un groupe hydroxypropylène ; R4 représente un groupe hydrocarboné non-aromatique comportant de 4 à 8 atomes de carbone ; et X- représente un contre-ion anionique.
- Polymère vinylique cationique d'addition selon l'une quelconque des revendications 16 à 19, caractérisé en ce que le polymère vinylique cationique d'addition comprend, sous une forme polymérisée, un monomère cationique représenté par la formule générale (III) : dans laquelle R1 représente H ou CH3 ; R2 et R3 représentent chacun H ou un groupe alkyle comportant de 1 à 3 atomes de carbone, de manière appropriée de 1 à 2 atomes de carbone ; A représente O ou NH ; B représente un groupe alkylène comportant de 2 à 4 atomes de carbone, ou un groupe hydroxypropylène ; R7 représente H, un groupe alkyle comportant de 1 à 3 atomes de carbone, un groupe benzyle ou un groupe phényléthyle ; et X- représente un contre-ion anionique.
- Polymère vinylique cationique d'addition selon l'une quelconque des revendications 16 à 20, caractérisé en ce que le polymère vinylique cationique d'addition est préparé à partir d'un mélange de monomères comprenant de 5 à 25 % en moles d'un monomère non-ionique ayant un groupe hydrophobe non-aromatique, et de 95 à 75 % en moles d'autres monomères copolymérisables.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP99947042A EP1084295B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
Applications Claiming Priority (6)
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---|---|---|---|
US8325398P | 1998-04-27 | 1998-04-27 | |
US83253P | 1998-04-27 | ||
EP98850067A EP0953680A1 (fr) | 1998-04-27 | 1998-04-27 | Procédé pour la fabrication du papier |
EP98850067 | 1998-04-27 | ||
PCT/SE1999/000678 WO1999055962A2 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
EP99947042A EP1084295B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
Publications (2)
Publication Number | Publication Date |
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EP1084295A2 EP1084295A2 (fr) | 2001-03-21 |
EP1084295B1 true EP1084295B1 (fr) | 2004-01-07 |
Family
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Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
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EP98850067A Withdrawn EP0953680A1 (fr) | 1998-04-27 | 1998-04-27 | Procédé pour la fabrication du papier |
EP99927016A Expired - Lifetime EP1080272B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
EP99947042A Expired - Lifetime EP1084295B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
EP99927017A Expired - Lifetime EP1080271B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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EP98850067A Withdrawn EP0953680A1 (fr) | 1998-04-27 | 1998-04-27 | Procédé pour la fabrication du papier |
EP99927016A Expired - Lifetime EP1080272B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP99927017A Expired - Lifetime EP1080271B1 (fr) | 1998-04-27 | 1999-04-26 | Procede de production de papier |
Country Status (18)
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EP (4) | EP0953680A1 (fr) |
JP (3) | JP2002513103A (fr) |
CN (3) | CN1155754C (fr) |
AT (3) | ATE243282T1 (fr) |
AU (3) | AU748735B2 (fr) |
BR (3) | BR9909946B1 (fr) |
CA (3) | CA2329027C (fr) |
CZ (3) | CZ301693B6 (fr) |
DE (3) | DE69908939T2 (fr) |
DK (3) | DK1084295T3 (fr) |
ES (3) | ES2211166T3 (fr) |
ID (3) | ID27490A (fr) |
NZ (3) | NZ507606A (fr) |
PL (3) | PL200673B1 (fr) |
PT (3) | PT1084295E (fr) |
RU (3) | RU2194106C2 (fr) |
WO (3) | WO1999055965A1 (fr) |
ZA (3) | ZA200005552B (fr) |
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KR100403839B1 (ko) * | 1998-04-27 | 2003-11-01 | 악조 노벨 엔.브이. | 제지 방법 |
US6417268B1 (en) | 1999-12-06 | 2002-07-09 | Hercules Incorporated | Method for making hydrophobically associative polymers, methods of use and compositions |
AU2001282751A1 (en) † | 2000-08-07 | 2002-02-18 | Akzo Nobel N.V. | Sizing dispersion |
US6818100B2 (en) | 2000-08-07 | 2004-11-16 | Akzo Nobel N.V. | Process for sizing paper |
GB0019415D0 (en) * | 2000-08-09 | 2000-09-27 | Ciba Spec Chem Water Treat Ltd | Noval monomers, polymers thereof and the use of the polymers |
WO2002025013A1 (fr) | 2000-09-20 | 2002-03-28 | Akzo Nobel N.V. | Procede de production de papier |
DE10113998A1 (de) * | 2001-03-22 | 2002-09-26 | Voith Paper Patent Gmbh | Verfahren zum Beladen von in einer Faserstoffsuspension enthaltenen Fasern mit einem Hilfsstoff |
ATE544906T1 (de) | 2001-12-21 | 2012-02-15 | Akzo Nobel Nv | Wässrige silicium enthaltende zusammenstzung und verfahren zur herstellung von papier |
US7156955B2 (en) * | 2001-12-21 | 2007-01-02 | Akzo Nobel N.V. | Papermaking process using a specified NSF to silica-based particle ratio |
TW593840B (en) * | 2002-01-31 | 2004-06-21 | Akzo Nobel Nv | Process for manufacturing paper |
BR0314868A (pt) * | 2002-10-01 | 2005-08-02 | Akzo Nobel Nv | Produto de polissacarìdeo cationizado |
US20040084162A1 (en) | 2002-11-06 | 2004-05-06 | Shannon Thomas Gerard | Low slough tissue products and method for making same |
NZ539997A (en) * | 2002-11-19 | 2007-11-30 | Akzo Nobel Nv | Process for the production of a cellulosic product such as paper or pulp |
US7303654B2 (en) | 2002-11-19 | 2007-12-04 | Akzo Nobel N.V. | Cellulosic product and process for its production |
JP4179913B2 (ja) * | 2003-03-31 | 2008-11-12 | ソマール株式会社 | 紙の製造方法 |
KR20050058785A (ko) * | 2003-12-12 | 2005-06-17 | 김재봉 | 벤토나이트를 함유하는 수용성 중합체 분산액 및 그의제조방법 |
AU2005233054B2 (en) * | 2004-04-07 | 2007-08-02 | Akzo Nobel Chemicals International B.V. | Silica-based sols and their production and use |
GB0425101D0 (en) * | 2004-11-15 | 2004-12-15 | Ciba Spec Chem Water Treat Ltd | Papermaking process |
WO2006068576A1 (fr) * | 2004-12-22 | 2006-06-29 | Akzo Nobel N.V. | Procédé de fabrication de papier |
US7955473B2 (en) | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
US20060254464A1 (en) | 2005-05-16 | 2006-11-16 | Akzo Nobel N.V. | Process for the production of paper |
PL1969183T3 (pl) | 2005-12-30 | 2015-05-29 | Akzo Nobel Chemicals Int Bv | Sposób wytwarzania papieru |
US8273216B2 (en) | 2005-12-30 | 2012-09-25 | Akzo Nobel N.V. | Process for the production of paper |
US20070215301A1 (en) * | 2006-03-17 | 2007-09-20 | Weyerhaeuser Co. | Method for making a low density multi-ply paperboard with high internal bond strength |
EP1936032A1 (fr) | 2006-12-18 | 2008-06-25 | Akzo Nobel N.V. | Procédé de production d'un produit en papier |
EP2199462A1 (fr) | 2008-12-18 | 2010-06-23 | Coöperatie Avebe U.A. | Processus de fabrication de papier |
WO2011113119A1 (fr) | 2010-03-19 | 2011-09-22 | Fibria Celulose S/A | Procédé pour le traitement de pâtes de cellulose, pâte de cellulose ainsi obtenue et utilisation de biopolymère pour le traitement de pâtes de cellulose |
EP2402503A1 (fr) | 2010-06-30 | 2012-01-04 | Akzo Nobel Chemicals International B.V. | Procédé de production d'un produit cellulosique |
CA2803650A1 (fr) * | 2010-07-12 | 2012-01-19 | Akzo Nobel Chemicals International B.V. | Composition de fibre cellulosique |
FI125713B (fi) * | 2010-10-01 | 2016-01-15 | Upm Kymmene Corp | Menetelmä märän paperirainan ajettavuuden parantamiseksi ja paperi |
RU2483151C1 (ru) * | 2011-11-10 | 2013-05-27 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Способ изготовления бумаги для печати |
JP6243853B2 (ja) * | 2012-12-07 | 2017-12-06 | 日本曹達株式会社 | 重合体の製造方法 |
EP3059739A1 (fr) | 2015-02-20 | 2016-08-24 | Wicor Holding AG | Élément d'isolation ayant une faible conductivité électrique destiné à l'isolation dans une zone de haute tension |
EP3288041A1 (fr) | 2016-08-23 | 2018-02-28 | Wicor Holding AG | Élément d'isolation électrique avec fibres chimiques pour une zone haute tension |
JP6990696B2 (ja) * | 2016-09-07 | 2022-01-13 | ケミラ ユルキネン オサケイティエ | 紙又は板紙等の製造方法及び組成物の使用 |
KR102467163B1 (ko) * | 2016-12-16 | 2022-11-16 | 케미라 오와이제이 | 중합체 조성물 및 그의 용도 |
BR112019019603B1 (pt) * | 2017-03-29 | 2023-10-31 | Kemira Oyj | Método para a produção de papel, cartão ou similar e uso de uma celulose microfibrilada |
WO2019004950A1 (fr) * | 2017-06-30 | 2019-01-03 | Scg Packaging Public Company Limited | Matériau en feuille à haute résistance |
RU2671752C1 (ru) * | 2017-12-14 | 2018-11-06 | Общество с ограниченной ответственностью "ПАННА" | Водорастворимая бумага со схемой для вышивания и способ ее производства |
CN109594402A (zh) * | 2018-12-28 | 2019-04-09 | 江苏理文造纸有限公司 | 一种利用废水污泥制备牛皮挂面箱板纸的方法 |
CN109942721B (zh) * | 2019-03-20 | 2021-04-02 | 淮海工学院 | 一种羟甲基脲改性阳离子多糖的水溶液 |
AT525216A1 (de) * | 2021-07-15 | 2023-01-15 | Berndorf Band Gmbh | Pressvorrichtung mit einer Druckrolle |
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SE9502522D0 (sv) * | 1995-07-07 | 1995-07-07 | Eka Nobel Ab | A process for the production of paper |
ID16844A (id) * | 1996-05-01 | 1997-11-13 | Nalco Chemical Co | Proses pembuatan kertas |
-
1998
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1999
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- 1999-04-26 CA CA002329028A patent/CA2329028C/fr not_active Expired - Fee Related
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