EP0819193B1 - Melanges d'agents d'encollage pour papier - Google Patents

Melanges d'agents d'encollage pour papier Download PDF

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Publication number
EP0819193B1
EP0819193B1 EP96908139A EP96908139A EP0819193B1 EP 0819193 B1 EP0819193 B1 EP 0819193B1 EP 96908139 A EP96908139 A EP 96908139A EP 96908139 A EP96908139 A EP 96908139A EP 0819193 B1 EP0819193 B1 EP 0819193B1
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EP
European Patent Office
Prior art keywords
paper
sizing agent
cationic
starch
finely divided
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EP96908139A
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German (de)
English (en)
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EP0819193A1 (fr
Inventor
Roland Ettl
Primoz Lorencak
Wolfgang Reuther
Johann Bonn
Arnold De Clercq
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BASF SE
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BASF SE
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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
    • 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
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/29—Starch cationic
    • 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
    • D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
    • D21H17/72—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic material
    • 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
    • D21H21/16—Sizing or water-repelling agents

Definitions

  • aqueous dispersions indicated under (A) and (B) belong the state of the art.
  • aqueous alkyl diketene dispersions known by dispersing the alkyldiketenes in water in the presence of cationic starch are available.
  • Stabilized aqueous alkyldiketene dispersions are known from EP-B-0 437 764 known, the up to 40 wt .-% alkyl diketene can contain dispersed and as a stabilizer in addition to cationic Starch long chain fatty acid esters and / or urethanes contain.
  • Aqueous polymer dispersions that are a sizing agent for paper are described, for example, in the following references: JP-A-58/115 196, EP-B-0 257 412, EP-B-0 267 770, EP-B-0 051 144, EP-A-0 058 313 and EP-A-0 150 003. These References are cited in the above-mentioned WO-A-94/05855.
  • paper sizing mixtures consist of emulsions of C 14 -C 20 -alkyldiketenes and finely divided polymer dispersions containing copolymerized nitrogen-containing monomers, which are known from EP-B-0 051 144 mentioned above.
  • These sizing mixtures are prepared by combining a fatty alkyl diketene emulsion with an aqueous, finely divided polymer dispersion or are only formed in the paper stock before sheet formation by simultaneously adding the emulsified fatty alkyl diketene and the finely divided aqueous dispersion to the paper stock and thoroughly mixing the system. Mixtures which can only be obtained by stirring cationic, finely divided aqueous polymer dispersions into fatty alkyl diketene dispersions are not sufficiently stable in storage.
  • sizing agents are in the form of storage-stable aqueous Emulsions known that a hydrophobic cellulose-reactive sizing agent, e.g. Fatty alkyl diketene, and a cationic starch with an amylopectin content of at least 85% and a degree of cationization (D.S.) from 0.045 to 0.40.
  • the share of Amylopectin in the cationic starch is preferably 98 until 100 %.
  • Starch which is preferably used is waxy corn starch.
  • the emulsions can also accelerate sizing Synthetic resins, or other properties of the sizing agent containing synthetic resins.
  • EP-B-0 369 328 discloses aqueous, stable alkyldiketene dispersions, which contain up to 30% by weight of ketene dimer. More essential Components of these alkyldiketene dispersions are cationic Starch, preferably cationic waxy maize starches, Aluminum sulfate, carboxylic acids with 1 to 10 carbon atoms, and Sulfonates such as lignin sulfonic acid or condensation products from Formaldehyde and naphthalene sulfonic acids.
  • the present invention has for its object an improved Paper sizing agents containing fatty alkyl diketenes to provide that when used as a mass sizing agent there is sufficient instant sizing and that does not affect the whiteness of the paper and an improved shear and compared to the known mixtures Has storage stability.
  • the invention also relates to the use of those described above Paper sizing mixtures as mass and surface sizing agents for paper, cardboard and cardboard.
  • alkyldiketenes are known and commercially available. They are produced, for example, from the corresponding carboxylic acid chlorides by splitting off hydrogen chloride with tertiary amines.
  • Suitable fatty alkyldiketenes are, for example, tetradecyldiketene, hexadecyldiketene, octadecyldiketene, docosyldiketene, palmityldiketene, stearyldiketene and behenyldiketene.
  • diketenes with different alkyl groups for example stearyl palmityldiketene, behenylstearyldiketene, behenyloleyldiketene or palmitylbehenyldiketene.
  • Stearyldiketene, palmityldiketene, behenyldiketene or mixtures of stearyldiketene and palmityldiketene or mixtures of behenyldiketene or mixtures of behenyldiketene or mixtures of behenyldiketene or mixtures are preferably used.
  • the diketenes are present in the aqueous emulsions in concentrations of 5 to 60, preferably 10 to 40,% by weight.
  • the alkyldiketenes become more cationic in water in the presence of Starch emulsifies, which according to the invention have an amylopectin content of has at least 95, preferably 98 to 100%.
  • Such strengths can, for example, by fractionating more common native Starches or through breeding measures from such plants which produce practically pure amylopectin starch, see. Günther Tegge, Starch and Starch Derivatives, Hamburg, Bers-Verlag 1984, pages 157 to 160.
  • Cationic strengths with an amylopectin content of at least 95, preferably 98 to 100% by weight are available on the market.
  • the amylopectin strengths have a branched structure and a high degree of polymerization.
  • the molecular weights are, for example 200 million to 400 million.
  • For waxy corn starch with an amylopectin content of 99 to 100% are in the Literature average molecular weights (number average) of about Stated 320 million.
  • cationized Starches are used whose amylopectin content is at least 95%.
  • the degree of cationization of starch is determined by means of the degree of substitution (D.S.) specified. This value gives the number of the cationic groups per monosaccharide unit in the cationic Strength again.
  • the degree of substitution (D.S. value) of the cationic starches is, for example, 0.010 to 0.150. In in most cases it is below 0.045, e.g. point the possible cationic starches preferably one Degree of substitution (D.S.) from 0.020 to 0.040.
  • the starch containing at least 95% by weight of amylopectin is cationized by introducing groups which contain tertiary or quaternary nitrogen atoms, for example by reacting the starches in question, in particular waxy maize starch, with dialkylaminoalkyl epoxides of the formula or with dialkylaminoalkyl chlorides of the formula or preferably with quaternary ammonium salts of the formula containing epoxide groups or the corresponding halohydrins of the formula
  • R 2 , R 3 and R 4 represent alkyl, aryl, aralkyl or hydrogen
  • R 1 represents an alkylene group, for example C 1 -C 6 alkylene. Examples of such compounds are 3-chloro-2-hydroxypropyltrimethylammonium chloride or glycidyltrimethylammonium chloride.
  • wax potato starch In addition to the preferred preferred waxy maize starch wax potato starch, wax wheat starch or mixtures the mentioned strengths in cationized form.
  • the cationic starches with amylopectin contents of at least 95% are contained in the aqueous alkyldiketene dispersion in an amount of 0.5 to 5, preferably 1 to 3% by weight.
  • the finely divided, aqueous dispersions of component (A) are usually prepared by first converting the starches containing at least 95% amylopectin to a water-soluble form. This can be done, for example, with the aid of oxidative or hydrolytic degradation in the presence of acids or simply by heating the cationic starches.
  • the starch is preferably digested in a jet cooker at temperatures in the range from 100 to 150.degree.
  • At least one C 14 -C 22 -alkyldiketene is then dispersed in the aqueous solution of the cationic starch with a minimum amylopectin content of at least 95% by weight at temperatures above 70 ° C., for example in the range from 70 to 85 ° C.
  • the alkyl diketenes dispersion is then cooled so that the alkyl diketenes are in solid form.
  • Finely divided aqueous alkyldiketene dispersions having an average particle diameter of, for example, 0.5 to 2.5, preferably 0.8 to 1.5 ⁇ m are obtained.
  • the alkyldiketenes can optionally also be dispersed in water in the presence of ligninsulfonic acid, condensates of formaldehyde and naphthalenesulfonic acids, polymers containing styrene sulfonic acid groups or the compounds containing alkali metal and / or ammonium salts of the aforementioned sulfonic acid groups.
  • ligninsulfonic acid condensates of formaldehyde and naphthalenesulfonic acids, polymers containing styrene sulfonic acid groups or the compounds containing alkali metal and / or ammonium salts of the aforementioned sulfonic acid groups.
  • ligninsulfonic acid condensates of formaldehyde and naphthalenesulfonic acids
  • polymers containing styrene sulfonic acid groups or the compounds containing alkali metal and / or ammonium salts of the a
  • alkyldiketene emulsions in addition to the cationic wax strengths, other customary protective colloids which have hitherto been used in the production of alkyldiketene emulsions may also be used, for example water-soluble cellulose ethers, polyacrylamides, polyvinyl alcohols, polyvinylpyrrolidones, polyamides, polyamidoamines and mixtures of these mentioned connections.
  • Component (A) may optionally contain further substances which are customary in alkyldiketene dispersions, for example C 1 -C 10 -carboxylic acids, for example formic acid, acetic acid or propionic acid.
  • the acids are used in amounts of 0.01 to 1% by weight.
  • the alkyldiketene dispersions may also contain conventional biocides, which can be used in amounts of up to 1% by weight.
  • a solution copolymer is first prepared in which the monomers of groups (1) and (2) and optionally (3) are copolymerized in a water-miscible organic solvent.
  • Suitable solvents are, for example, C 1 to C 3 carboxylic acids, such as formic acid, acetic acid and propionic acid, or C 1 to C 4 alcohols, such as methanol, ethanol, n-propanol or isopropanol, and ketones such as acetone.
  • the group (1) monomers used are preferably dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, dimethylaminopropyl methacrylate and dimethylaminopropyl acrylate.
  • the monomers of group (1) are preferably used in protonated or quaternized form. Suitable quaternizing agents are, for example, methyl chloride, dimethyl sulfate or benzyl chloride.
  • the group (2) monomers used are nonionic, hydrophobic, ethylenically unsaturated compounds which, when polymerized on their own, form hydrophobic polymers. These include, for example, styrene, methylstyrene, C 1 - to C 18 -alkyl esters of acrylic acid or methacrylic acid, for example methyl acrylate, ethyl acrylate, N-propyl acrylate, isopropyl acrylate, n-butyl acrylate, tert-butyl acrylate and isobutyl acrylate as well as isobutyl methacrylate, n-butyl methacrylate and n-butyl methacrylate .
  • Acrylonitrile, methacrylonitrile, vinyl acetate, vinyl propionate and vinyl butyrate are also suitable.
  • Mixtures of the group 2 monomers can also be used in the copolymerization, for example mixtures of styrene and isobutyl acrylate.
  • the solution copolymers used as emulsifiers can optionally also contain copolymerized monomers of group (3), for example monoethylenically unsaturated C 3 to C 5 carboxylic acids or their anhydrides, for example acrylic acid, methacrylic acid, itaconic acid, maleic acid, maleic anhydride or itaconic anhydride.
  • the molar ratio of (1): (2): (3) is 1: 2.5 to 10: 0 to 1.5.
  • the copolymer solutions thus obtained are diluted with water and, in this form, serve as a protective colloid for the polymerization of the above-mentioned monomer mixtures of components (a) and (b) and, if appropriate, (c).
  • Monomers of group (a) are styrene, acrylonitrile, methacrylonitrile or mixtures of styrene and acrylonitrile or of styrene and methacrylonitrile.
  • the monomers of group (b) used are acrylic acid and / or methacrylic acid esters of C 1 to C 18 alcohols and / or vinyl esters of saturated C 2 to C 4 carboxylic acids. This group of monomers corresponds to the monomers of group (2), which has already been described above.
  • Preferably used as the monomer of group (b) are butyl acrylate and butyl methacrylate, for example isobutyl acrylate, n-butyl acrylate and isobutyl methacrylate.
  • Monomers of group (c) are, for example, C 3 -C 5 -monoethylenically unsaturated carboxylic acids, acrylamidomethylpropanesulfonic acid, sodium vinyl sulfonate, vinylimidazole, N-vinylformamide, acrylamide, methacrylamide and N-vinylimidazoline.
  • 1 to 32 parts by weight of a monomer mixture of components (a) to (c) are used per 1 part by weight of the copolymer.
  • the monomers of components (a) and (b) can be copolymerized in any ratio, for example in the molar ratio 0.1: 1 to 1: 0.1.
  • the monomers of group (c) are used for modification if necessary the properties of the copolymers used.
  • the degraded starches act as emulsifiers in the copolymerization of the monomers (a) to (c) in an aqueous medium in the manner of an emulsion polymerization.
  • the monomers are copolymerized in an aqueous solution which contains 1 to 21, preferably 3 to 15% by weight of degraded starch. In 100 parts by weight of such a solution, 10 to 140, preferably 40 to 100 parts by weight of the monomer mixture of (a) and (b) and optionally (c) are usually polymerized.
  • the diameter of the dispersed polymer particles is 50 to 350, preferably 100 to 250 nm.
  • Also suitable as monomer of group (b) are vinyl esters of C 2 - to C 4 -saturated carboxylic acids.
  • Suitable monomers of group (c) are, for example, acrylamide, methacrylamide, stearyl acrylate, stearyl methacrylate, palmitylacrylate, acrylic acid, methacrylic acid, maleic acid, maleic anhydride, itaconic acid, vinylsulfonic acid, acrylamidopropanesulfonic acid and acrylic and methacrylic acid esters of amino alcohols, for example dimethylaminoethylamylamethylataminate, dimethylaminoethyl amyl acrylate dimethyl methylethyl amyl acrylate dimethyl methylethyl amyl acrylate,
  • the paper sizing mixtures according to the invention are produced by known processes, cf. DE-A-32 35 529 and WO-A-94/05855.
  • the procedure is, for example, that (A) finely divided, aqueous dispersions of C 14 -C 22 -alkyldiketenes, which can be obtained by dispersing the alkyldiketenes in water in the presence of cationic starch with an amylopectin content of at least 95%, with ( B) finely divided, aqueous polymer dispersions, which are a sizing agent for paper, mixed together or C 14 - to C 22 -alkyldiketenes in a mixture of aqueous solutions of cationic starches with an amylopectin content of at least 95%, the starches being converted into a water-soluble form have been and emulsified finely divided, aqueous polymer dispersions, which are a size for paper, at temperatures of at least 70
  • the emulsification is preferably carried out here under the action of high shear forces, for example in so-called homogenizers.
  • the resulting emulsions are preferably rapidly cooled to room temperature.
  • the resulting dispersions of paper size mixtures have a pH in the range from 2 to 4, preferably the pH is 3.
  • the paper size mixtures can also be prepared by mixing components (A) and (B), for example in a stirred kettle and this mixture may be homogenized under the action of high shear forces at temperatures of, for example, 20 to 70.degree.
  • the paper size mixtures according to the invention contain, for example, 1 to 55, preferably 10 to 30% by weight of alkyldiketenes and 1 to 60, preferably 3 to 25% by weight of finely divided polymer dispersions, in each case based on the solids.
  • component (A) 0.1 to 1.2, preferably 0.3 to 0.9 parts by weight Polymer dispersion of component (B), based on the Solids.
  • component (B) 0.1 to 1.2, preferably 0.3 to 0.9 parts by weight
  • Polymer dispersion of component (B) based on the Solids.
  • the particle diameter of the finely divided aqueous Polymer dispersions are, for example, 50 to 400, preferably 100 to 250 nm.
  • the sizing agent mixtures according to the invention are stable in storage, i.e. they do not tend to separate and don't get stuck either.
  • the sizing mixtures are called bulk and Surface sizing agent used for paper, cardboard and cardboard. Use as a mass sizing agent is preferred during production of paper.
  • Starch A is a degraded cationic potato starch with a viscosity ⁇ i of 0.47 dl / g, a degree of substitution of 0.015-COOH and 0.027 N mol / mol glucose units and a solids content of 83%.
  • Starch B is a degraded, cationic potato starch with a viscosity ⁇ i of 1.16, a degree of substitution of 0.07 N mol / mol glucose units and a solids content of 83%.
  • a mixture of 20 parts (1.92 mol) styrene, 7 parts (0.41 mol) dimethylaminopropyl methacrylamide, 3.5 parts (0.486 mol) acrylic acid and 10 parts acetic acid was added inside of 1 hour using a pump in a heated to 90 ° C Pumped boiler. Simultaneously and also within 1 hour with the help of another metering device, 2 parts of azoisobutyronitrile were added and 10 parts of acetic acid. The mixture was heated to a temperature of 90 ° C for 30 min and then in Dissolved 180 parts of water.
  • a 2.80% aqueous solution of a commercially available solution is prepared cationic waxy maize starch (D.S. 0.03, amylopectin content > 98%) by putting the required amount of starch in water suspended and the suspension at a temperature for 15 minutes at 95 ° C. Adds to 85 parts of the starch solution available in this way 15 parts of the polymer dispersion 1 are obtained at a temperature of 85 ° C. to. The mixture is stirred for 10 minutes.
  • a 3.66% aqueous solution of a commercially available solution is prepared cationic waxy maize starch (D.S. 0.03, amylopectin content > 98%) by adding the required amount of starch in water suspended and the suspension in the jet cooker at one Temperature of 125 ° C. To 65 parts of the so available Starch solution is added at a temperature of 85 ° C 35 parts of the Polymer dispersion 2 too. The mixture is then 10 min. touched.
  • a 4.17% aqueous solution of a commercially available cationic waxy maize starch (DS 0.04, amylopectin content> 98%) is prepared by first suspending the starch in water and digesting it in a jet cooker at a temperature of 125.degree . 0.1 part of the sodium salt of a lignin sulfonic acid and then 20 parts of a C 16 / C 18 alkyldiketene melt are then added to the starch solution and the mixture is treated with an Ultraturrax. The initially coarse suspension is passed through a homogenizer twice at a temperature of 85 ° C. and a pressure of 150 bar and then rapidly cooled to room temperature.
  • a commercial cationic waxy maize starch (DS 0.04, amylopectin content 100%) is introduced into water in such an amount that a 4.17% aqueous suspension is formed.
  • This suspension is then digested in a jet cooker at a temperature of 125 ° C., so that an aqueous starch solution is obtained, to which 0.15 part of the sodium salt of a lignosulfonic acid and then 25 parts of a C 16 / C 18 alkyl diketene melt are added.
  • the mixture is first treated with an Ultraturrax and then twice in a homogenizer under a pressure of 150 bar and a temperature of 85 ° C. and then quickly cooled to room temperature.
  • Example 1 was repeated with the changes that a 5.13% strength aqueous suspension of a commercially available cationic starch (degree of substitution 0.02, amylopectin content 75%) was prepared, mixed with 50 parts of polymer dispersion 2 and the starch was heated to 85 by heating the mixture ° C for a total of 10 minutes.
  • the properties of the sizing mixture are given in Table 1.
  • Shear stability of the sizing agent mixtures described in the examples and comparative examples was determined by pumping the mixtures through a 400 ⁇ m filter using a centrifugal pump. 500 ml each of the paper sizing mixture was used and the temperature of the mixture was kept at 25 ° C. during the test. Table 2 shows the times after which the filter became blocked or the test was stopped.
  • Shear stability test (pump test) Sizing agent mixture according to example Termination after [min] Remarks 1 60 Filter free 2nd 55 Filter clogged 3rd 60 Filter free 4th 44 Filter clogged See example 1 15 Filter clogged See example 2nd 23 Filter clogged

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  • Paper (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Making Paper Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (11)

  1. Mélange d'agents d'encollage pour papier à base de
    (A) dispersions aqueuses finement divisées de (alkyle en C14-C22)dicétènes, pouvant être obtenues par dispersion des alkyldicétènes dans l'eau, en présence d'amidon cationique, et
    (B) de dispersions aqueuses de polymères finement divisées, qui sont un agent d'encollage pour papier,
    caractérisé en ce que la teneur en amylopectine de l'amidon cationique du composant (A) s'élève à au moins 95%.
  2. Mélange d'agents d'encollage pour papier selon la revendication 1, caractérisé en ce que la teneur en amylopectine de l'amidon cationique du composant (A) s'élève à 98-100%.
  3. Mélange d'agents d'encollage pour papier selon la revendication 1, caractérisé en ce que l'amidon cationique est un amidon cationique visqueux de maïs.
  4. Mélange d'agents d'encollage pour papier selon l'une quelconque des revendications 1 à 3, caractérisé en ce que, lors de la préparation du composant (A), la dispersion des alkyldicétènes dans l'eau a lieu en présence d'acide lignine-sulfonique, de condensats de formaldéhyde et d'acides naphtalène-sulfoniques, de polymères contenant des groupements acide styrène-sulfonique ou bien des sels de métaux alcalins et/ou d'ammonium des composés cités contenant des groupements acide sulfonique.
  5. Procédé de préparation de mélange d'agents d'encollage pour papier par mélange de
    (A) dispersions aqueuses finement divisées de (alkyle en C14-C22)dicétènes, pouvant être obtenues par dispersion des alkyldicétènes dans l'eau, en présence d'amidon cationique, et
    (B) de dispersions aqueuses de polymères finement divisées, qui sont un agent d'encollage pour papier,
    ou par émulsion des (alkyle en C14-C22)dicétènes dans un mélange à base de suspensions aqueuses d'amidons cationiques et de dispersions aqueuses finement divisées, qui sont un agent d'encollage pour papier, à des températures d'au moins 70°C, caractérisé en ce que la teneur en amylopectine des amidons cationiques s'élève à au moins 95%.
  6. Procédé selon la revendication 5, caractérisé en ce que la teneur en amylopectine des amidons cationiques s'élève à 98-100%.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que l'on utilise en tant qu'amidons cationiques, des amidons cationiques visqueux de maïs.
  8. Procédé selon l'une quelconque des revendications 5 à 7, caractérisé en ce que le degré de substitution (D.S.) des amidons cationiques est de 0,010-0,150.
  9. Procédé selon la revendication 8, caractérisé en ce que le degré de substitution (D.S.) des amidons cationiques est inférieur à 0,045.
  10. Procédé selon la revendication 8, caractérisé en ce que le degré de substitution (D.S.) des amidons cationiques est de 0,020-0,40.
  11. Utilisation de mélanges d'agents d'encollage pour papier selon l'une quelconque des revendications 1 à 4, en tant qu'agent d'encollage de la surface ou dans la masse pour papier, carton et carton léger.
EP96908139A 1995-04-03 1996-03-26 Melanges d'agents d'encollage pour papier Expired - Lifetime EP0819193B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19512399 1995-04-03
DE19512399A DE19512399A1 (de) 1995-04-03 1995-04-03 Papierleimungsmittelmischungen
PCT/EP1996/001315 WO1996031650A1 (fr) 1995-04-03 1996-03-26 Melanges d'agents d'encollage pour papier

Publications (2)

Publication Number Publication Date
EP0819193A1 EP0819193A1 (fr) 1998-01-21
EP0819193B1 true EP0819193B1 (fr) 1999-05-26

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Country Status (7)

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EP (1) EP0819193B1 (fr)
JP (1) JP3805367B2 (fr)
AT (1) ATE180526T1 (fr)
DE (2) DE19512399A1 (fr)
DK (1) DK0819193T3 (fr)
ES (1) ES2133193T3 (fr)
WO (1) WO1996031650A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540998A1 (de) * 1995-11-03 1997-05-07 Basf Ag Wäßrige Alkyldiketen-Dispersionen und ihre Verwendung als Leimungsmittel für Papier
EP0824161A3 (fr) * 1996-08-12 1998-04-08 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt L'amidon et des dérivés d'amidon pour l'industrie papetière
AT403705B (de) * 1996-08-12 1998-05-25 Tulln Zuckerforschung Gmbh Beschichtungsmittel
KR20020071014A (ko) * 2000-01-11 2002-09-11 라이시오 케미칼스 리미티드 종이와 판지의 인쇄성 및 코팅성을 향상시키는 방법
DE10008930A1 (de) * 2000-02-25 2001-08-30 Basf Ag Antiknitterausrüstung von cellulosehaltigen Textilien und Wäschenachbehandlungsmittel
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JP2007500628A (ja) * 2003-05-16 2007-01-18 ビーエーエスエフ　アクチェンゲゼルシャフト 液体の包装用容器を製造するための少なくとも二層の積層材料を含有する包装材料
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CN101568687B (zh) * 2006-12-20 2012-06-27 巴斯夫欧洲公司 纸施胶剂混合物
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EP0369328A2 (fr) * 1988-11-10 1990-05-23 Hercules Incorporated Dispersion d'alkyle cétène dimère

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DE59602009D1 (de) 1999-07-01
EP0819193A1 (fr) 1998-01-21
WO1996031650A1 (fr) 1996-10-10
JP3805367B2 (ja) 2006-08-02
ATE180526T1 (de) 1999-06-15
DK0819193T3 (da) 1999-11-08
JPH11502575A (ja) 1999-03-02
ES2133193T3 (es) 1999-09-01
DE19512399A1 (de) 1996-10-10

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