WO1996031650A1 - Melanges d'agents d'encollage pour papier - Google Patents

Melanges d'agents d'encollage pour papier Download PDF

Info

Publication number
WO1996031650A1
WO1996031650A1 PCT/EP1996/001315 EP9601315W WO9631650A1 WO 1996031650 A1 WO1996031650 A1 WO 1996031650A1 EP 9601315 W EP9601315 W EP 9601315W WO 9631650 A1 WO9631650 A1 WO 9631650A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper
cationic
starch
starches
finely divided
Prior art date
Application number
PCT/EP1996/001315
Other languages
German (de)
English (en)
Inventor
Roland Ettl
Primoz Lorencak
Wolfgang Reuther
Johann Bonn
Arnold De Clercq
Original Assignee
Basf Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Aktiengesellschaft filed Critical Basf Aktiengesellschaft
Priority to DE59602009T priority Critical patent/DE59602009D1/de
Priority to DK96908139T priority patent/DK0819193T3/da
Priority to JP52994296A priority patent/JP3805367B2/ja
Priority to EP96908139A priority patent/EP0819193B1/fr
Publication of WO1996031650A1 publication Critical patent/WO1996031650A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • 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

  • the invention relates to paper sizing mixtures
  • aqueous dispersions specified under (A) and (B) belong to the prior art.
  • US Pat. No. 3,130,118 discloses aqueous alkyldiketene dispersions which can be obtained by dispersing the alkyldiketenes in water in the presence of cationic starch.
  • Dispersions which are prepared in the presence of cationic condensates and optionally cationic starch are known, for example, from DE-A-30 00 502 and DE-A-33 16 179.
  • Stabilized aqueous alkyldiketene dispersions are known from EP-B-0 437 764 which can contain up to 40% by weight of alkyldiketene in dispersed form and which, as stabilizer, contain long-chain fatty acid esters and / or urethanes in addition to cationic starch.
  • Aqueous polymer dispersions which 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 referenced in the aforementioned WO-A-94/05855.
  • paper sizing mixtures consist of emulsions of C 4 to C 2 o-alkyldiketenes and finely divided polymer dispersions containing copolymerized nitrogen-containing monomers and which consist of the abovementioned EP-B-0 051 144 are known.
  • These sizing mixtures are prepared by combining a fatty alkyl diketene emulsion with an aqueous, finely divided polymer dispersion or are formed in the paper stock before sheet formation by adding the emulsified fatty alkyl diketene and the finely divided aqueous dispersion to the paper stock at the same time and mixing the system well. Mixtures which can only be obtained by stirring in cationic, finely divided aqueous polymer dispersions in fatty alkyl diketene dispersions are not sufficiently stable in storage.
  • EP-B-0 353 212 discloses sizing agents in the form of aqueous emulsions which contain 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 proportion of amylopectin in the cationic starch is preferably 98 to 100%.
  • Starch which is preferably used is waxy corn starch.
  • alkyldiketene dispersions which contain up to 30% by weight of ketene dimer.
  • Other 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 lignosulfonic acid or condensation products of formaldehyde and naphthalenesulfonic acids.
  • the object of the present invention is to provide an improved paper sizing agent containing fatty alkyl diketenes which, when used as a mass sizing agent, results in adequate instant sizing and does not impair the whiteness of the paper or in comparison the known mixtures has improved shear and storage stability.
  • amylopectin content of the cationic starch of component (A) is at least 95%.
  • the amylopectin content of the cationic starch is preferably 98 to 100%.
  • Suitable starches of this type are preferably cationic waxy maize starches.
  • the invention also relates to a process for producing paper size mixtures by mixing
  • the invention also relates to the use of the paper sizing mixtures described above as mass and surface sizing agents for paper, cardboard and cardboard.
  • component (A) For the preparation of component (A) one starts from C 1 -C 22 -alkyldiketenes or from mixtures of such alkyldiketenes.
  • 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, alkosyldiketene, docosyldiketene, palmityldiketene, stearyldiketene and behenyldiketene.
  • diketenes with different alkyl groups for example stearylpalmithyldiketene, behenylstearyldiketene, behenyl oleyldiketene or palmithylbehenyldiketene.
  • Stearyldiketene, palmithtyldiketene, behenyldiketene or mixtures of stearyldiketene and palmithyldiketene or mixtures of behenyldiketene and stearyldiketene 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 are emulsified in water in the presence of cationic starch, which according to the invention has an amylopectin content of at least 95, preferably 98 to 100%.
  • Such starches can be obtained, for example, by fractionation of conventional native starches or by breeding measures from plants which produce practically pure amylopectin starch, cf. Günther Tegge, Starch and Starch Derivatives, Hamburg, Bers-Verlag 1984, pages 157 to 160.
  • Cationic starches with an amylopectin content of at least 95, preferably 98 to 100% by weight are available on the market.
  • the amylopectin starches have a branched structure and have a high degree of polymerization.
  • the molecular weights (number average) are, for example, 200 million to 400 million. For waxy maize starch with an amylopectin content of 99 to 100%, average molar masses (number average) of approx
  • cationized starches are used whose amylopectin content is at least 95%.
  • the degree of cationization of the starch is indicated with the aid of the degree of substitution (D.S.). This value reflects the number of cationic groups per monosaccharide unit in the cationic starch.
  • the degree of substitution (D.S. value) of the cationic starches is, for example, 0.010 to 0.150. In most cases it is below 0.045, e.g. the cationic starches in question preferably have a degree of substitution (D.S.) of 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, e.g. by reacting the starches in question, in particular waxy corn starch, with dialkylaminoalkyl epoxides of the formula
  • R 2 , R 3 and R 4 are alkyl, aryl, aralkyl or hydrogen
  • R 1 is an alkylene group, for example Ci-C ß- alkylene.
  • Examples of such compounds are 3-chloro-2-hydroxypropyltrimethylammonium chloride or glycidyltrimethylammonium chloride.
  • wax potato starch In addition to the preferred waxy maize starch, wax potato starch, waxy wheat starch or mixtures of the starches mentioned are each suitable 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 so prepared that the starches containing at least 95% amylopectin are first converted into 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 1 -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 alkyldiketene dispersion is then cooled so that the alkyldiketenes 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, are obtained.
  • the dispersion of the alkyldiketenes in water can optionally additionally in the presence of lignosulfonic acid, condensates of formaldehyde and naphthalene sulfonic acids, polymers containing styrene sulfonic acid groups or the alkali metal and / or ammonium salts of the compounds containing said sulfonic acid groups.
  • lignosulfonic acid condensates of formaldehyde and naphthalene sulfonic acids, polymers containing styrene sulfonic acid groups or the alkali metal and / or ammonium salts of the compounds containing said sulfonic acid groups.
  • lignosulfonic acid condensates of formaldehyde and naphthalene sulfonic acids
  • polymers containing styrene sulfonic acid groups or the alkali metal and / or ammonium salts of the compounds containing said
  • alkyldiketene emulsions In the preparation of the alkyldiketene emulsions it is possible to use, in addition to the cationic wax starches, other customary protective colloids which have hitherto been used in the preparation of alkyldiketene emulsions, e.g. Water-soluble cellulose ethers, polyacrylamides, polyvinyl alcohols, polyvinyl pyrrolidones, polyamides, polyamidoamines and mixtures of the compounds mentioned.
  • Component (A) may optionally contain further substances which are common in alkyldiketene dispersions, e.g. Ci to Cio carboxylic acids, e.g. Formic acid, acetic acid or propionic acid.
  • the acids are used in amounts of 0.01 to 1% by weight.
  • the alkyldiketene dispersions can optionally also contain conventional biocides, which can be used in amounts of up to 1% by weight.
  • Component (B) of the paper sizing mixtures according to the invention consists of finely divided, aqueous polymer dispersions which are a sizing agent for paper.
  • Such polymer dispersions are known, for example, from EP-B-0 051 144, EP-B-0 257 412, EP-B-0 276 770, EP-B-0 058 313 and EP-B-0 150 003 .
  • Such polymer dispersions which act as paper sizing agents are obtainable, for example, by mixing 1 to 32 parts by weight of a mixture
  • di-Ci to C 4 -alkylamino-C2 to C-alkyl (meth) acrylates which may optionally be protonated or quaternized
  • nonionic, hydrophobic, ethylenically unsaturated monomers in the case of these monomers, if they are polymerized on their own, form hydrophobic polymers and, if appropriate
  • 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 -C 3 -carboxylic acids, such as formic acid, acetic acid and propionic acid, or C 1 -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 dimethylaminopropylacrylate.
  • the monomers in 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, Ci bis
  • Ci ⁇ -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 tert-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 Cs-carboxylic acids or their anhydrides, for example acrylic acid, methacrylic acid, itaconic acid, maleic acid, maleic acid anhydride or itaconic anhydride.
  • the molar ratio of (1): (2): (.3) is 1: 2.5 to 10: 0 to 1.5.
  • the copolymer solutions obtained in this way 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 optionally (c).
  • Suitable monomers of group (a) are styrene, acrylonitrile, methacrylonitrile or mixtures of styrene and acrylonitrile or of styrene and methacrylonitrile.
  • the group (b) monomers used are acrylic acid and / or methacrylic acid esters of C 1 -C 4 -alcohols and / or vinyl esters of saturated C 2 -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 - to C 5 -monoethylenically unsaturated carboxylic acids, acrylamidomethylpropanesulfonic acid, sodium vinyl sulfonate, vinyl imidazole, N-vinyl formamide, acrylamide, methacrylamide and N-vinyl imidazoline.
  • 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 to modify the properties of the copolymers.
  • the finely divided, aqueous dispersions described as sizing agents for paper which are known from EP-0 257 412 and EP-B-0 276 770, are preferably used. These dispersions are obtained by copolymerizing
  • These starches have been subjected to oxidative, thermal, acidolytic or enzymatic degradation. All native starches can be used for this degradation, for example starches from potatoes, wheat, rice, tapioca and corn, and starches with amylopectin contents of at least 95, preferably 98 to 100% by weight, for example waxy corn starch, waxy potato starch, wax white Zen starch or mixtures of the starches mentioned.
  • chemically modified starches can be used, such as starches containing hydroxyethyl, hydroxypropyl or quaternized aminoalkyl groups with viscosities in the range given above.
  • Oxidatively degraded potato starches, cationized, degraded potato starches or hydroxyethyl starch are particularly suitable.
  • the mixture of size-acting copolymer dispersion and an undigested starch is preferably stirred at 85 ° C. for at least 10 minutes. This unlocks the strength.
  • 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 containing 1 to 21, preferably 3 to
  • 15 contains 15% by weight of broken down starch.
  • 10 to 140 preferably 40 to 100 parts by weight of the monomer mixture of (a) and (b) and optionally (c) are polymerized in 100 parts by weight of such a solution.
  • the diameter of the dispersed polymer particles is 50 to 350, preferably 100 to 250 nm.
  • group (b) are also 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, palmityl acrylate, acrylic acid, methacrylic acid, maleic acid, maleic anhydride, itaconic acid,
  • the paper sizing mixtures according to the invention are produced by known processes, cf. DE-A-32 35 529 and W0-A-94/05855.
  • the procedure is, for example, that (A) finely divided, aqueous dispersions of C 14 -C 22 -alkyldiketenes which are dispersed in water by dispersing the alkyldiketenes
  • the starches having been converted into a water-soluble form and emulsifying finely divided, aqueous polymer dispersions which are a sizing agent for paper at temperatures of at least 70 ° C.
  • the emulsification is preferably carried out here under the action of high shear forces, e.g. in so-
  • the resulting emulsions are preferably rapidly cooled to room temperature.
  • the resulting dispersions of paper size mixtures have one pH in the range from 2 to 4, preferably the pH is 3.
  • the paper sizing mixtures can also be prepared by mixing components (A) and (B), for example in a stirred kettle, and adding this mixture - 5 if homogenized under the action of high shear forces at temperatures of, for example, 20 to 70 ° C.
  • the paper sizing 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, 10 in each case based on the solids.
  • component (B) 15 parts of polymer dispersion of component (B), based on the solids.
  • component (B) 15 parts of polymer dispersion of component (B), based on the solids.
  • 20 polymer dispersions is, for example, 50 to 400, preferably 100 to 250 nm.
  • the sizing agent mixtures according to the invention are stable on storage, i.e. they do not tend to separate and do not become solid. They also have a very low viscosity (for example after storage of
  • the viscosities are below 100 mPas, measured in a Brookfield viscometer at 100 rpm, and a temperature of 25 ° C with spindle No. 1) and are also characterized by a high stability against the action of Shear forces, such as those used for pumping
  • the sizing mixtures are used as mass and surface sizing agents for paper, cardboard and cardboard. Use as a mass sizing agent in the manufacture of paper is preferred.
  • 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 ⁇ of 1.16, a degree of substitution of 0.07 N mol / mol of glucose units and a solids content of 83%.
  • the temperature of the reaction mixture is kept at 85 ° C.
  • a dispersion with a solids content of 41.0% and a particle diameter (without starch shell) of 100-150 nm is obtained.
  • the dispersion is diluted to a solids content of 33% by adding water.
  • a mixture of 20 parts (1.92 mol) of styrene, 7 parts (0.41 mol) of dimethylaminopropylmethacryla id. 3.5 parts of 45 (0.486 mol) of acrylic acid and 10 parts of acetic acid were pumped into a kettle heated to 90 ° C. within 1 hour using a pump. Simultaneously and also within 1 hour 2 parts of azoisobutyronitrile and 10 parts of acetic acid were added using another metering device. The mixture was heated to a temperature of 90 ° C. for 30 minutes and then dissolved in 180 parts of water.
  • 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 (D.S. 0.04, amylopectin content 100%) is soaked in water in such an amount.
  • 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 rapidly cooled to room temperature.
  • a 5.13% strength aqueous suspension of a commercially available cationic starch (D.S. 0.02, amylopectin content 70%) is first prepared, and 50 parts of the suspension were added to 50 parts of this suspension
  • Polymer dispersion 1 and the starch by heating for 10 minutes in the mixture with the polymer dispersion 1 at a temperature of 85 ° C.
  • the properties of the dispersion are given in Table 1.
  • 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
  • the 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 of the paper size mixture was used in each case 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 terminated.

Landscapes

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

Abstract

L'invention concerne des mélanges d'agents d'encollage pour papier, comprenant (A) des dispersions aqueuses à fines particules de dicétènes d'alkyle C14 à C22, pouvant être obtenues par dispersion des dicétènes d'alkyle dans de l'eau en présence d'amidon cationique avec une teneur en amylopectine d'au moins 95 % en poids, et (B) des dispersions polymères aqueuses à fines particules, qui constituent un agent d'encollage pour papier. L'invention concerne un procédé de production de mélanges d'agents d'encollage pour papier par mélange des constituants (A) et (B), ainsi que l'utilisation de ces mélanges comme agents d'encollage en pile ou d'encollage superficiel pour papier, carton-pâte et carton.
PCT/EP1996/001315 1995-04-03 1996-03-26 Melanges d'agents d'encollage pour papier WO1996031650A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59602009T DE59602009D1 (de) 1995-04-03 1996-03-26 Papierleimungsmittelmischungen
DK96908139T DK0819193T3 (da) 1995-04-03 1996-03-26 Papirlimningsmiddelblandinger
JP52994296A JP3805367B2 (ja) 1995-04-03 1996-03-26 紙サイズ剤混合物
EP96908139A EP0819193B1 (fr) 1995-04-03 1996-03-26 Melanges d'agents d'encollage pour papier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19512399A DE19512399A1 (de) 1995-04-03 1995-04-03 Papierleimungsmittelmischungen
DE19512399.9 1995-04-03

Publications (1)

Publication Number Publication Date
WO1996031650A1 true WO1996031650A1 (fr) 1996-10-10

Family

ID=7758633

Family Applications (1)

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

Country Status (7)

Country Link
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)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997017491A1 (fr) * 1995-11-03 1997-05-15 Basf Aktiengesellschaft Dispersions aqueuses d'alkyldicetene et leur utilisation comme colle d'encollage pour papier
EP0824161A2 (fr) * 1996-08-12 1998-02-18 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt L'amidon et des dérivés d'amidon pour l'industrie papetière
WO2001051708A1 (fr) * 2000-01-11 2001-07-19 Raisio Chemicals Ltd Procede d'amelioration de l'imprimabilite et de l'aptitude au couchage d'un papier et d'un carton
EP1344866A1 (fr) * 1996-08-12 2003-09-17 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt Agent de couchage
WO2004037867A1 (fr) * 2002-10-18 2004-05-06 Basf Aktiengesellschaft Dispersions polymeres aqueuses contenant des alkyldicetenes, procedes permettant de les produire et utilisation correspondante
WO2004101279A1 (fr) * 2003-05-16 2004-11-25 Basf Aktiengesellschaft Materiau d'emballage composite dote d'au moins deux couches et destine a la fabrication de conteneurs pour le conditionnement de liquides
WO2012089981A1 (fr) * 2010-12-31 2012-07-05 Saint-Gobain Adfors Composition ignifuge aqueuse pour mat a base de fibres minerales, et mats obtenus.
EP3205673A1 (fr) 2016-02-12 2017-08-16 Coöperatie Avebe U.A. Oxydation d'amidon

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008930A1 (de) * 2000-02-25 2001-08-30 Basf Ag Antiknitterausrüstung von cellulosehaltigen Textilien und Wäschenachbehandlungsmittel
DE102004055507A1 (de) * 2004-11-17 2006-05-18 Basf Ag Verfahren zur Herstellung feinteiliger flüssig-flüssig Formulierungen und Vorrichtung zur Herstellung feinteiliger flüssig-flüssig Formulierungen
CN101568687B (zh) * 2006-12-20 2012-06-27 巴斯夫欧洲公司 纸施胶剂混合物
DE102007043922A1 (de) * 2007-09-14 2009-04-02 Emsland-Stärke GmbH Beschichtungsmittel für Faserstoffe, Verfahren zu dessen Herstellung und Verwendung desselben

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353212A1 (fr) * 1988-06-22 1990-01-31 W.R. Grace & Co.-Conn. Composition d'encollage, procédé pour sa préparation et méthode d'utilisation
WO1994005855A1 (fr) * 1992-09-01 1994-03-17 Basf Aktiengesellschaft Melanges d'agents pour papier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382129A (en) * 1981-12-08 1983-05-03 Hercules Incorporated Dicyandiamide-formaldehyde condensates modified with acrylamide and process for preparing the same
US4861376A (en) * 1988-11-10 1989-08-29 Hercules Incorporated High-solids alkyl ketene dimer dispersion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353212A1 (fr) * 1988-06-22 1990-01-31 W.R. Grace & Co.-Conn. Composition d'encollage, procédé pour sa préparation et méthode d'utilisation
WO1994005855A1 (fr) * 1992-09-01 1994-03-17 Basf Aktiengesellschaft Melanges d'agents pour papier

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997017491A1 (fr) * 1995-11-03 1997-05-15 Basf Aktiengesellschaft Dispersions aqueuses d'alkyldicetene et leur utilisation comme colle d'encollage pour papier
US6001166A (en) * 1995-11-03 1999-12-14 Basf Aktiengesellschaft Aqueous alkyldiketene dispersions and their use as size for paper
EP0824161A2 (fr) * 1996-08-12 1998-02-18 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt L'amidon et des dérivés d'amidon pour l'industrie papetière
EP0824161A3 (fr) * 1996-08-12 1998-04-08 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt L'amidon et des dérivés d'amidon pour l'industrie papetière
EP1344866A1 (fr) * 1996-08-12 2003-09-17 Südzucker Aktiengesellschaft Mannheim/Ochsenfurt Agent de couchage
WO2001051708A1 (fr) * 2000-01-11 2001-07-19 Raisio Chemicals Ltd Procede d'amelioration de l'imprimabilite et de l'aptitude au couchage d'un papier et d'un carton
WO2004037867A1 (fr) * 2002-10-18 2004-05-06 Basf Aktiengesellschaft Dispersions polymeres aqueuses contenant des alkyldicetenes, procedes permettant de les produire et utilisation correspondante
US7709052B2 (en) 2002-10-18 2010-05-04 Basf Aktiengesellschaft Aqueous polymer dispersions containing alkyldiketenes, methods for the production thereof, and their use
WO2004101279A1 (fr) * 2003-05-16 2004-11-25 Basf Aktiengesellschaft Materiau d'emballage composite dote d'au moins deux couches et destine a la fabrication de conteneurs pour le conditionnement de liquides
WO2012089981A1 (fr) * 2010-12-31 2012-07-05 Saint-Gobain Adfors Composition ignifuge aqueuse pour mat a base de fibres minerales, et mats obtenus.
US9447254B2 (en) 2010-12-31 2016-09-20 Saint-Gobain Adfors Aqueous flame retardant composition for mineral fiber-based mat, and mats obtained
EP3205673A1 (fr) 2016-02-12 2017-08-16 Coöperatie Avebe U.A. Oxydation d'amidon
WO2017138814A1 (fr) 2016-02-12 2017-08-17 Coöperatie Avebe U.A. Oxydation d'amidon

Also Published As

Publication number Publication date
JPH11502575A (ja) 1999-03-02
JP3805367B2 (ja) 2006-08-02
ES2133193T3 (es) 1999-09-01
DK0819193T3 (da) 1999-11-08
EP0819193A1 (fr) 1998-01-21
ATE180526T1 (de) 1999-06-15
DE19512399A1 (de) 1996-10-10
EP0819193B1 (fr) 1999-05-26
DE59602009D1 (de) 1999-07-01

Similar Documents

Publication Publication Date Title
EP0257412B1 (fr) Agent de collage pour papier à base de dispersions aqueuses de fines particules
EP0658228B1 (fr) Melanges d'agents pour papier
DE60016186T2 (de) Polymerdispersion und verfahren zu deren herstellung
EP0972110B2 (fr) Procede pour produire du papier, du carton-pate et du carton a haute resistance a la traction a l'etat sec
EP0276770B1 (fr) Agent de collage pour papier à base de dispersions aqueuses de fines particules
EP0728072B1 (fr) Procede de production de materiaux d'impression pour imprimantes a jet d'encre
EP1501880B1 (fr) Dispersions polymeres aqueuses a base de copolymeres de vinylaromatiques et de butadiene, leur procede de production et leur utilisation en tant qu'agents collants pour papier
EP0788516B1 (fr) Procede de modification cationique d'amidon et utilisation d'amidon cationiquement modifie
EP0406461B1 (fr) Agent d'encollage de papier contenant un dispersant cationique
EP1819876A2 (fr) Agent d'encollage pour papier
EP2258735B1 (fr) Copolymères greffés cationiques d'amidon
DE60009072T2 (de) Durch niedrigmolekulare maleimidcopolymere stabilisierte hydrophobe kationische dispersionen für die papierleimung
WO1996031650A1 (fr) Melanges d'agents d'encollage pour papier
DE69725779T2 (de) Leimung von Papier mit Latexdispersionen aus Copolymeren aus hydrophoben Monomeren und niedermolecularen Styrol/Maleinanhydride-Polymeren
EP1556416A1 (fr) Dispersions polymeres aqueuses contenant des alkyldicetenes, procedes permettant de les produire et utilisation correspondante
WO2000023651A1 (fr) Dispersions aqueuses d'agents d'encollage ajustees de maniere a etre anioniques ou cationiques pour l'encollage de papier
DE3826825C2 (fr)
EP0357866B1 (fr) Agent d'encollage cationique pour le papier
DE2026241A1 (de) Verfahren zur Aufbringung von Polymeren auf faserartigen Substraten
WO1999028553A1 (fr) Procede pour le collage en pile de papier, de carton-pâte et de carton
DE3235529A1 (de) Leimungsmittel fuer papier

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1996908139

Country of ref document: EP

ENP Entry into the national phase

Ref country code: JP

Ref document number: 1996 529942

Kind code of ref document: A

Format of ref document f/p: F

ENP Entry into the national phase

Ref country code: US

Ref document number: 1997 930426

Date of ref document: 19971003

Kind code of ref document: A

Format of ref document f/p: F

WWP Wipo information: published in national office

Ref document number: 1996908139

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1996908139

Country of ref document: EP