EP0833983A1 - Utilisation en heliogravure rotative de matieres a enduire le papier a teneur elevee en butadiene - Google Patents

Utilisation en heliogravure rotative de matieres a enduire le papier a teneur elevee en butadiene

Info

Publication number
EP0833983A1
EP0833983A1 EP96922795A EP96922795A EP0833983A1 EP 0833983 A1 EP0833983 A1 EP 0833983A1 EP 96922795 A EP96922795 A EP 96922795A EP 96922795 A EP96922795 A EP 96922795A EP 0833983 A1 EP0833983 A1 EP 0833983A1
Authority
EP
European Patent Office
Prior art keywords
weight
binder
papers
paper coating
paper
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.)
Ceased
Application number
EP96922795A
Other languages
German (de)
English (en)
Inventor
Hartmann F. Leube
Dirk Lawrenz
Wolfgang GÄRBER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of EP0833983A1 publication Critical patent/EP0833983A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F236/06—Butadiene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • Y10T428/31899—Addition polymer of hydrocarbon[s] only
    • Y10T428/31902—Monoethylenically unsaturated

Definitions

  • the invention relates to a method for printing on paper by gravure printing.
  • the printing form has depressions that receive the printing ink that is transferred to the paper during printing.
  • the paper to be printed must have as smooth a surface as possible; furthermore, the paper should have a high degree of flexibility so that it fits well into the indentations when picking up color.
  • a measure of the quality of the printability in gravure printing is e.g. the number of missing points, the so-called "missing dots”.
  • the papers to be printed are generally coated with a paper coating slip.
  • Binders with a butadiene content of 0 to 100% by weight were known from EP-A-408 099. Binders with a butadiene content of approx. 36% by weight were used in paper coating slips in accordance with the examples.
  • the object of the present invention was a method for printing on papers which particularly fulfills the requirements in gravure printing. Accordingly, a process for printing papers by gravure printing has been found, characterized in that the papers are coated with a paper coating slip which contains a binder with a butadiene content of at least 65% by weight, based on the binder.
  • the paper coating slips contain a binder as an essential component.
  • the binder is an ionically or preferably free-radically polymerized polymer with a butadiene content of at least 65% by weight, preferably at least 74% by weight.
  • the polymer can in particular be composed of the following monomers:
  • Ci-Cio alkyl methacrylates or vinyl aromatics with up to 20 C atoms (shortly called main monomers),
  • the polymer preferably consists of
  • main monomers 0.5 - 15% by weight of auxiliary monomers and 0 - 30% by weight of further monomers.
  • the polymer particularly preferably consists of
  • the polymer very particularly preferably consists of
  • auxiliary monomers 1-8% by weight of auxiliary monomers and 0-5% by weight of further monomers.
  • the main monomers are, for example, methyl (meth) acrylate,
  • Styrene and n-butyl acrylate are particularly preferred.
  • auxiliary monomers are unsaturated carboxylic acids and / or their amides and / or anhydrides, such as, for example, acrylic acid, acrylamide, methacrylic acid, methacrylamide or itaconic acid, maleic acid, fumaric acid, vinylsulfonic acid, vinylphosphonic acids or acrylamidopropanesulfonic acid and their water-soluble salts.
  • Other monomers are e.g. Acrylonitrile, methacrylonitrile, vinyl esters of carboxylic acids with up to 20 C atoms, in particular vinyl acetate and vinyl propionate, vinyl stearate and vinyl laurate, free-radically polymerizable olefins e.g. Ethylene and vinyl or vinylidene halogens such as vinyl chloride or vinylidene chloride.
  • the glass transition temperature (Tg) of the polymers is preferably from -80 to +25, particularly preferably from -80 to 0 and very particularly preferably from -70 to -6 ° C. According to Fox, Bull. Am. Phys. Soc. (Ser II) 1, 123 (1956) can be calculated from the TG of the monomers.
  • the polymer is preferably prepared by emulsion polymerization.
  • An aqueous dispersion of dispersed polyparticles is obtained.
  • the particle size can be adjusted to the desired size by simple measures, such as varying the amount of emulsifier or the stirrer output.
  • a polymer seed i.e. a polymer dispersion in which the dispersed polymer particles have a particle size e.g. from 20 to 50 have to be submitted.
  • the dispersions finally obtained generally have number-average particle sizes in the range from 10-1000 nm, in particular 20-500 nm, particularly preferably 50 to 200 nm, very particularly preferably 100 to 160 nm.
  • Bimodal and multimodal can also be used Particle size distributions can be an advantage.
  • radical polymerization initiators can be used in the polymerization.
  • Free radical polymerization initiators are all those which are capable of initiating a free radical aqueous emulsion polymerization.
  • Peroxides for example alkali metal peroxodisulfates, dibenzoyl, peroxide, ⁇ -butyl perpivalate, t-butylper-2-ethylhexanoate, 2,5-dimethyl-2,5-di (t-butylperoxy) hexane, cumene hydroperoxide, as well as azo compounds such as azobisisobutyronitrile, 2,2'-azobis (2nd -amininopropane) dihydrochloride.
  • Combined systems composed of at least one organic reducing agent and at least one peroxide and / or hydroperoxide are also suitable, e.g. tert. -Butylhydro ⁇ peroxide and the sodium metal salt of hydroxymethanesulfinic acid or hydrogen peroxide and ascorbic acid.
  • Combined systems are furthermore suitable which also contain a small amount of a metal compound which is soluble in the polymerization medium and whose metallic component can occur in several valence levels, e.g. Ascorbic acid / iron (II) sulfate / hydrogen peroxide, but often that instead of ascorbic acid
  • Sodium metal salt of hydroxymethanesulfinic acid, sodium sulfite, sodium hydrogen sulfite or sodium metabisulfite and tert instead of hydrogen peroxide.
  • -Butyl hydroperoxide or alkali metal peroxodisulfates and / or ammonium peroxodisulfates can be used.
  • the amount of free-radical initiator systems used is 0.1 to 3% by weight, based on the total amount of the monomers to be polymerized.
  • Ammonium and / or alkali metal peroxodisulfates are particularly preferably used on their own or as a component of combined systems as initiators.
  • Sodium peroxodisulfate is particularly preferably used.
  • the manner in which the radical initiator system is added to the polymerization vessel in the course of the radical aqueous emulsion polymerization according to the invention is known to the person skilled in the art. It can either be completely introduced into the polymerization vessel or, depending on its consumption, can be used continuously or in stages in the course of the free-radical aqueous emulsion polymerization. In detail, this depends in a manner known per se to the person skilled in the art both on the chemical nature of the initiator system and on the polymerization temperature. A portion is preferably introduced and the remainder is fed to the polymerization zone in accordance with the consumption.
  • ionic and / or nonionic emulsifiers and / or protective colloids or stabilizers can usually be used.
  • the protective colloids and emulsifiers customarily used as dispersants come into consideration as such surface-active substances.
  • a detailed one A description of suitable protective colloids can be found in Houben-Weyl, Methods of Organic Chemistry, Volume XIV / 1, Macromolecular Substances, Georg-Thieme-Verlag, Stuttgart, 1961, pp. 411 to 420. Both anionic, cationic and also nonionic emulsifiers into consideration.
  • Preferably, only accompanying emulsifiers are used as accompanying surface-active substances, the relative molecular weights of which, in contrast to the protective colloids, are usually below 2000.
  • Anionic and nonionic emulsifiers are preferably used as accompanying surfactants.
  • Common accompanying emulsifiers are, for example, ethoxylated fatty alcohols
  • alkyl radical (EO grade: 3 to 50, alkyl radical; Cs to C 36 ), ethoxylated mono-, di- and tri-alkylphenols (EO grade: 3 to 50, alkyl radical: C 4 - to C 9 ), alkali metal salts of dialkyl esters sulfosuccinic acid and alkali and ammonium salts of alkyl sulfates (alkyl radical: C ⁇ "to C ⁇ 2 ), of ethoxylated alkanols (EO degree: 4 to 30, alkyl radical: C ⁇ 2 - to Cie), of ethoxylated alkylphenols (EO degree: 3 to 50, alkyl radical: C 4 to Cg), of alkyl sulfonic acids (alkyl radical: C ⁇ 2 - to Cie) and of alkylarylsulfonic acids (alkyl radical: Cg to Cie ) •
  • R 5 and R 6 are hydrogen or C 4 - to -C 4 alkyl and are not simultaneously hydrogen, and X and Y can be alkali metal ions and / or ammonium ions.
  • R 5 , R 6 are preferably linear or branched alkyl radicals having 6 to 18 carbon atoms or hydrogen and in particular having 6, 12 and 16 carbon atoms, where R 5 and R 6 are not both hydrogen at the same time.
  • X and Y are preferably sodium, potassium or ammonium ions, with sodium being particularly preferred.
  • Compounds II in which X and Y are sodium, R 5 is a branched alkyl radical having 12 C atoms and R 6 is hydrogen or R 5 are particularly advantageous.
  • Technical mixtures are frequently used, which have a proportion of 50 to % Having the monoalkylated product, for example Dowfax 2AI ® (trademark of Dow Chemical Company) - 90 wt..
  • the dispersions can also be prepared using a protective colloid in addition to the emulsifier present or without an emulsifier, the amount of the protective colloid being up to 100% by weight, preferably 0.5 to 30% by weight can amount to the amount of monomers used.
  • this protective colloid can be added completely or in part, at the same time or with a time delay, together or separately with the monomers; it can be advantageous to present up to 30% by weight, preferably up to 10% by weight, based on monomers, of protective colloid in aqueous solution.
  • Starch, casein, gelatin and alginates may be mentioned as natural protective colloids, hydroxyethyl cellulose, methyl cellulose and carboxymethyl cellulose as well as cationically modified starch may be mentioned as modified natural products.
  • Suitable synthetic protective colloids include polyacrylic acid and its salts, polyacrylamides, water-soluble acrylic acid copolymers, water-soluble acrylamide copolymers, polyvinylpyrrolidones, polyvinyl alcohols and partially saponified polyvinyl alcohols.
  • part of the protective colloid is grafted onto the polymer.
  • the emulsion polymerization is usually carried out at 30 to 95, preferably 75 to 90 ° C.
  • the polymerization medium can consist only of water, as well as mixtures of water and therefore miscible liquids such as methanol. Preferably only water is used.
  • the emulsion polymerization can be carried out either as a batch process or in the form of a feed process, including a step or gradient procedure.
  • the feed process in which part of the polymerization batch is initially charged, is preferably heated to the polymerization temperature, polymerized, and then the remainder of the polymerization batch, usually via a plurality of spatially separated feeds, one or more of which are the monomers in pure or Contained in emulsified form, continuously, gradually or with a concentration gradient superimposed feeds the polymerization zone while maintaining the polymerization.
  • the free radical aqueous emulsion polymerization according to the invention can of course also be carried out under elevated or reduced pressure.
  • molekularwhensre ⁇ terrain substances can, in short regulators, such as tert-dodecyl mercaptan, carbon tetrachloride, carbon tetrabromide, trichlorobromomethane, butyl mercaptan, allyl alcohol, poly-THF-bis- thiol, mercaptoethanol, acetylacetone, thioglycolic acid or thio glykolklaer be used .
  • Such substances are preferably added to the reaction mixture in a mixture with the monomers to be polymerized.
  • the proportion of the molecular weight-regulating substances is preferably 0 to 2, particularly preferably 0-1% by weight, very particularly preferably 0-0.5% by weight, based on the polymer.
  • the aqueous polymer dispersions of the polymer are generally prepared with solids contents of from 15 to 75% by weight, preferably from 40 to 60% by weight.
  • the dispersion can contain customary auxiliaries such as caustic potash, ammonia or ethanolamine as neutralizing agents, silicone compounds as defoamers, biocides and silicone oils or waxes to reduce the stickiness.
  • auxiliaries such as caustic potash, ammonia or ethanolamine as neutralizing agents, silicone compounds as defoamers, biocides and silicone oils or waxes to reduce the stickiness.
  • the paper coating slips contain the polymer as a binder, preferably in amounts of 1 to 20, in particular 5 to
  • Pigments are usually the main component of the paper coating slips. Frequently used pigments are, for example, barium sulfate, calcium carbonate, calcium sulfoaluminate, kaolin, talc, titanium dioxide, zinc oxide, chalk or coating clays.
  • the paper coating slips can furthermore contain customary dispersants. Suitable dispersants are polyanions, for example polyphosphoric acids or polyacrylic acids (polysalts), which are usually present in amounts of 0.1 to 3% by weight, based on the amount of pigment.
  • the paper coating slips can also contain so-called "co-binders". Starch, casein, gelatin and alginates may be mentioned as natural cobinder, hydroxyethyl cellulose, methyl cellulose and carboxymethyl cellulose as well as cationically modified starch may be mentioned as modified natural products. However, conventional synthetic cobinders, for example based on vinyl acetate or acrylate, can also be used.
  • These can be contained in amounts of 0.1 to 10% by weight, based on the amount of pigment.
  • the constituents are mixed in a known manner, the polymer being generally used in the form of the aqueous dispersion.
  • the water content in the paper coating slip is usually set to 25 to 60% by weight, based on the paper coating slip.
  • the paper coating slip can be applied to the papers to be coated by customary processes (cf. Ullmann's Encyclopedia of Technical Chemistry, 4th edition, vol. 17, pp. 603 ff).
  • the papers are preferably coated with 2 g (m 2 ) to 50 g (m 2 ) of the paper coating slip (dry).
  • coated papers are printed using the well-known gravure printing process.
  • the coated papers have a high smoothness and a good gloss.
  • the good printability in gravure printing is also evident from the small number of missing points, so-called "missing dots”.
  • polystyrene seed dispersion solids content 35%, particle size: 38 nm, stabilized with 10% acrylic sulfonate (sodium dodecylbenzenesulfonate) 5% from feed 1 25% from feed 2
  • the template was heated to 85 ° C. and polymerized for 15 minutes. The remaining feed 1 was then added over 7 hours and, simultaneously with feed 1, feed 2 was added over 7.5 hours. The mixture was subsequently polymerized at 85 ° C. for 2 hours. A dispersion with particle size (Malvern Autosizer) 146 nm and 50% solids content was obtained. The glass temperature was -65 ° C.
  • the template was heated to 85 ° C. and polymerized for 15 minutes.
  • the template was heated to 85 ° C and polymerized for 15 min. Then the remaining feed 1 was fed for 7 hours and feed 2 started simultaneously with feed 1 for 7.5 hours admitted. The mixture was subsequently polymerized at 85 ° C. for 2 hours. A dispersion with particle size (Malvern Autosizer) 147 nm and 50% solids content was obtained. The glass temperature was -77 ° C. 5
  • the template was heated to 85 ° C. and polymerized for 15 minutes.
  • polystyrene seed dispersion solids content 35%, particle size: 38 nm, stabilized with 10% arylsulfonate (dodecylbenzenesulfonate sodium salt) 5% from feed 1 45 25% from feed 2 Inlet 1:
  • the template was heated to 85 ° C. and polymerized for 15 minutes. The remaining feed 1 was then added over 7 hours and feed 2 starting at feed 2 over the course of 5.5 hours. The mixture was subsequently polymerized at 85 ° C. for 2 hours. A dispersion with particle size (Malvern Autosizer) 141 nm and 50% solids content was obtained. The glass temperature was -16 ° C.
  • composition of the polymers in% by weight is listed in Table 1 below.
  • the dispersions were used as binders in a paper coating slip of the following compositions (parts are parts by weight).
  • a wood-free coating base paper with a basis weight of 38 g / m 2 was used as the base paper.
  • the coating slip was applied on both sides with 10 g / m 2 in each case on a technical coater (application method: roller, dosing method: blade) at a speed of 1000 m / min.
  • the paper web was adjusted to a paper moisture of 5.0% by means of an IR drying unit and air drying.
  • the paper web was smoothed by a single pass through a super calender.
  • the line pressure was 250 kN / m, the web speed 300 m / min and the temperature 80 ° C.
  • test strips were printed with increasing speed.
  • the maximum printing speed was 100 cm / s.
  • the paint was applied at a line pressure of 35 kp / cm.
  • the tenth plucking point is counted starting from the first plucking point (ie the first pull-out point from the paper coating slip).
  • the dry pick resistance is given in cm / s, i.e. the printing speed at the tenth pick point.
  • Ra, Rz and Rmax with electrical probe cutters
  • the device was used: Hommel Tester T 20 A from Hommelwerke.
  • the Ra value is given as a measure of the roughness
  • the products according to the invention have clear advantages over products known to those skilled in the art in terms of binding power, gloss, smoothness and roughness.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé d'impression de papiers par héliogravure rotative, qui se caractérise en ce que les papiers sont enduits d'une matière appropriée. Cette matière contient un liant à teneur en butadiène d'au moins 65 % en poids par rapport au liant.
EP96922795A 1995-06-21 1996-06-11 Utilisation en heliogravure rotative de matieres a enduire le papier a teneur elevee en butadiene Ceased EP0833983A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19522400 1995-06-21
DE19522400A DE19522400A1 (de) 1995-06-21 1995-06-21 Verwendung von Papierstreichmassen mit hohem Butadiengehalt im Tiefdruck
PCT/EP1996/002530 WO1997001000A1 (fr) 1995-06-21 1996-06-11 Utilisation en heliogravure rotative de matieres a enduire le papier a teneur elevee en butadiene

Publications (1)

Publication Number Publication Date
EP0833983A1 true EP0833983A1 (fr) 1998-04-08

Family

ID=7764806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96922795A Ceased EP0833983A1 (fr) 1995-06-21 1996-06-11 Utilisation en heliogravure rotative de matieres a enduire le papier a teneur elevee en butadiene

Country Status (6)

Country Link
US (1) US5996489A (fr)
EP (1) EP0833983A1 (fr)
JP (1) JPH11508968A (fr)
CA (1) CA2221478A1 (fr)
DE (1) DE19522400A1 (fr)
WO (1) WO1997001000A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1623068B1 (fr) * 2003-03-19 2007-02-28 International Paper Company Utilisation d'une presse encoleuse doseuse pour produire un papier couche leger pour heliogravure
US9156920B2 (en) 2012-09-26 2015-10-13 Wacker Chemical Corporation Process for the preparation of an aqueous emulsifier-stabilized vinyl acetate-ethylene copolymer dispersion with fine particle size
ES2617559T3 (es) 2014-05-26 2017-06-19 Omya International Ag Carbonato de calcio para medio de impresión en rotograbado
US10647143B2 (en) 2014-05-26 2020-05-12 Omya International Ag Calcium carbonate for rotogravure printing medium

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491806A (fr) * 1972-04-26 1974-01-09
US4065423A (en) * 1976-05-03 1977-12-27 Uniroyal, Inc. Paper coating latex compositions containing copolymers of monovinylidene aromatic monomer, aliphatic conjugated diene and an aryloyloxycarboxylic acid monomer
US5141988A (en) * 1989-01-10 1992-08-25 Reichhold Chemicals, Inc. Blister resistant paper coating latex
US4950711A (en) * 1989-01-10 1990-08-21 Reichhold Chemicals, Inc. Blister-resistant paper coating latex
US5444118A (en) * 1989-06-30 1995-08-22 Japan Synthetic Rubber Co., Ltd. Process for producing copolymer latex and paper coating composition, carpet backing composition or adhesive composition comprising said latex
DE3922784A1 (de) * 1989-07-11 1991-01-17 Synthomer Chemie Gmbh Verfahren zur herstellung waessriger, dextrinhaltiger polymerisatdispersionen
US5284908A (en) * 1990-02-02 1994-02-08 Sumitomo Dow Limited Process for preparing copolymer latex and use of copolymer latex
DE4236316A1 (en) * 1991-10-31 1993-05-06 Takeda Chemical Industries Ltd Copolymer lattices, useful as binders in paper coating compsns. - by two=stage emulsion polymerisation of monomer mixt., with hydrophilic chain transfer agent and hydrophobic agent in second stage
JPH072911A (ja) * 1991-11-22 1995-01-06 Sumitomo Dow Ltd 共重合体ラテックスの製造方法および共重合体ラテックス
KR100278934B1 (ko) * 1992-01-10 2001-01-15 고마쓰바라 히로유끼 공중합체 라텍스 제조방법 및 그 용도
JP3276693B2 (ja) * 1992-12-17 2002-04-22 日本エイアンドエル株式会社 紙塗工用ラテックス
JP3339124B2 (ja) * 1993-08-03 2002-10-28 日本ゼオン株式会社 共重合体粒子の水分散液及び紙塗被用組成物
JP3345977B2 (ja) * 1993-08-10 2002-11-18 日本ゼオン株式会社 グラビア印刷紙塗工用ラテックス及びグラビア印刷紙塗工用組成物
CN1133623A (zh) * 1993-10-19 1996-10-16 Basf公司 纸张涂料用混合粘合剂
DE4403480A1 (de) * 1994-02-04 1995-08-10 Basf Ag Bindemittelmischungen für Papierstreichmassen
US5700852A (en) * 1994-04-06 1997-12-23 Japan Synthetic Rubber Co., Ltd. Paper coating composition

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9701000A1 *

Also Published As

Publication number Publication date
DE19522400A1 (de) 1997-01-02
US5996489A (en) 1999-12-07
JPH11508968A (ja) 1999-08-03
CA2221478A1 (fr) 1997-01-09
WO1997001000A1 (fr) 1997-01-09

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