DK2143688T3 - Fremgangsmåde til fremstilling af vandige suspensioner af calciumcarbonat, og opnåede suspensioner, såvel som anvendelser deraf - Google Patents

Fremgangsmåde til fremstilling af vandige suspensioner af calciumcarbonat, og opnåede suspensioner, såvel som anvendelser deraf Download PDF

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Publication number
DK2143688T3
DK2143688T3 DK08012233.6T DK08012233T DK2143688T3 DK 2143688 T3 DK2143688 T3 DK 2143688T3 DK 08012233 T DK08012233 T DK 08012233T DK 2143688 T3 DK2143688 T3 DK 2143688T3
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Denmark
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calcium carbonate
meth
aqueous suspension
acrylic acid
homopolymer
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DK08012233.6T
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English (en)
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Patrick Gane
Matthias Buri
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Omya Int Ag
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • D21H17/675—Oxides, hydroxides or carbonates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/36—Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
    • 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
    • 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
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • 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
    • D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paints Or Removers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Claims (17)

1. Fremgangsmåde til fremstilling af en vandig suspension af naturligt calciumcarbonat kendetegnet ved at den omfatter følgende trin: a) tør og/eller våd formaling af calciumcarbonat indtil en gennemsnitsdiameter fra 0,5 til 500 mikrometer (dso) i nærvær eller fravær af dispergeringsmidler, b) dannelse af en vandig suspension af produktet fra trin a) ved tilsætning af den påkrævede mængde vand til opnåelse af et tørstofindhold af calciumcarbonat på mellem 10% og 80%, fortrinsvis mellem 30% og 50% og mere fortrinsvis mellem 35% og 45%, c) formaling af suspensionen fra trin b) i nærvær afen homopolymer og/eller copolymer af (meth)acrylsyre, der samtidigt har en molvægt på mellem 8000 g/mol og 15000 g/mol, fortrinsvis mellem 10000 g/mol og 14000 g/mol, mere fortrinsvis 12000 g/mol, og et molindhold af polymerkæder med en molvægt på under 3000 g/mol på mindre end 20%, fortrinsvis 15%, mere fortrinsvis 10%, d) eventuel koncentrering af den vandige suspension opnået i trin c) ved hjælp af en hvilken som helst kendt metode til opnåelsae af et calciumcarbonatindhold på mindst 5% over koncentrationen fra trin b) eller c), fortrinsvis mellem 60 og 80 vægtprocent, og mere fortrinsvis mellem 65 og 75 vægtprocent, e) eventuel tilsætning af et dispergeringsmiddel til den vandige suspension under eller efter trin d).
2. Fremgangsmåde ifølge krav 1, kendetegnet ved at homopolymeren og/eller copolymeren af (meth)acrylsyre er opnået med radikalpolymerisering i emulsion eller i opløsning, efterfulgt af mindst ét trin med statisk eller dynamisk separation, hvor separationstrinnet anvender ét eller flere polære opløsningsmidler, fortrinsvis valgt fra gruppen bestående afvand, methanol, ethanol, propanol, isopropanol, butanolerne, acetone, tetrahydrofuran eller blandinger deraf.
3. Fremgangsmåde ifølge krav 1, kendetegnet ved, at homopolymeren og/eller copolymeren af (meth)acrylicsyre opnås ved kontrolleret radikalpolymerisering, fortrinsvis ved polymerisering med reversibel additions-fragmentationskædeoverførsel (RAFT).
4. Fremgangsmåde ifølge krav 3, kendetegnet ved at polymeriseringen med reversibel additions-fragmentationskædeoverførsel (RAFT) anvender mindst ét kædeoverførselsmiddel, såsom ifølge WO 02/070571, WO 2004/014967 og WO 2005/095466.
5. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 4, kendetegnet ved at homopolymeren og/eller copolymeren af (meth)acrylsyre er fuldstændigt sur, eller er totalt eller delvist neutraliseret med et neutraliseringsmiddel valgt blandt natrium-og kaliumhydroxider, calcium- og magnesiumhydroxider og/eller oxider, ammoniak, eller blandinger deraf, fortrinsvis af et neutraliseringsmiddel valgt blandt natriumhydroxid, kaliumhydroxid, ammoniak, eller blandinger deraf, mere fortrinsvis af et neutraliseringsmiddel som er natriumhydroxid.
6. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 5, kendetegnet ved at, copolymeren af (meth)acrylsyre ud over (meth)acrylsyre omfatter en anden monomer valgt blandt (meth)acrylsyreanhydrid, (meth)acrylamid, (meth)acrylestere og fortrinsvis blandt methyl-, ethyl-, isopropyl-, n-propyl-, isobutyl-, n-butyl-, tert-butyl-, 2-ethylhexylacrylater, methyl-, ethylmethacrylater, hydroxylerede methacrylater, styren, alpha-methylstyren, styrensulfonat, eller acrylamido-2-methyl-2-propanesulfonsyre, phosphaterne af ethylenglycolacrylat og -methacrylat, og blandinger deraf, og ved at den anden monomer fortrinsvis er acrylamid.
7. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 6, kendetegnet ved at homopolymeren og/eller copolymeren af (meth)acrylsyre anvendes i en mængde fra 0,1 til 1,0%, fortrinsvis fra 0,2 til 0,6 tørstofvægtprocent, baseret på tørstofvægten af calciumcarbonat.
8. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 7, kendetegnet ved at, der ud over homopolymeren og/eller copolymeren af (meth)acrylsyre, anvendes en anden homopolymer og/eller copolymer af (meth)acrylsyre under eller efter koncentrationstrinnet d).
9. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 8, kendetegnet ved at tørstofvægtkoncentrationen af calciumcarbonat i den vandige suspension opnået efter formalingstrinnet c) er mellem 10% og 80% af den samlede vægt af suspensionen, fortrinsvis mellem 30% og 50%, mere fortrinsvis mellem 35% og 45%.
10. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 9, kendetegnet ved at tørstofvægtkoncentrationen af calciumcarbonat i den vandige suspension opnået efter det fakultative koncentrationstrin trin d) er mindst 5% over koncentrationen af produktet fra trin b) eller c), fortrinsvis mellem 60% og 80%, mere fortrinsvis mellem 65% og 75% af den samlede vægt af suspensionen.
11. Fremgangsmåde ifølge et hvilket som helst af kravene 1 til 10, kendetegnet ved at den endvidere omfatter et trin f) til tørring ved en hvilken som helst kendt metode af produktet opnået i trin c) eller d) eller e) til fremstilling af et tørt calciumcarbonat.
12. Tørt calciumcarbonat kendetegnet ved at det er opnået ved fremgangsmåden i krav 11.
13. Vandig suspension af calciumcarbonat kendetegnet ved at den indeholder en homopolymer og/eller copolymer af (meth)acrylsyre anvendt i fremgangsmåden ifølge et hvilket som helst af kravene 1 til 11.
14. Anvendelse af den vandige suspension af calciumcarbonat ifølge krav 13 i papirapplikationer såsom tilførelse af fyldstof eller coating.
15. Coatingformulering indeholdende den vandige suspension af calciumcarbonat ifølge krav 13.
16. Fyldstofsammensætning indeholdende den vandige suspension af calciumcarbonat ifølge krav 13.
17. Anvendelse af den vandige suspension af calciumcarbonat ifølge krav 13 i malings-, plastik- og tætningsmiddelsindustrien.
DK08012233.6T 2008-07-07 2008-07-07 Fremgangsmåde til fremstilling af vandige suspensioner af calciumcarbonat, og opnåede suspensioner, såvel som anvendelser deraf DK2143688T3 (da)

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EP08012233.6A EP2143688B1 (fr) 2008-07-07 2008-07-07 Procédé de fabrication de suspensions aqueuses de carbonate de calcium et suspensions obtenues ainsi que leurs utilisations

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DK2143688T3 true DK2143688T3 (da) 2017-01-09

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US (2) US8362131B2 (da)
EP (2) EP2143688B1 (da)
KR (1) KR101691674B1 (da)
CN (1) CN102123949B (da)
AR (1) AR072466A1 (da)
CA (1) CA2729848C (da)
DK (1) DK2143688T3 (da)
ES (1) ES2606348T3 (da)
MX (1) MX2011000061A (da)
PT (1) PT2143688T (da)
SI (1) SI2143688T1 (da)
TW (1) TW201005047A (da)
UY (1) UY31962A (da)
WO (1) WO2010004405A1 (da)

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CA2729848A1 (en) 2010-01-14
CA2729848C (en) 2017-05-16
KR20110042292A (ko) 2011-04-26
EP2143688B1 (fr) 2016-09-07
CN102123949A (zh) 2011-07-13
MX2011000061A (es) 2011-03-02
CN102123949B (zh) 2014-08-13
US20120264867A1 (en) 2012-10-18
US8362131B2 (en) 2013-01-29
AR072466A1 (es) 2010-09-01
ES2606348T3 (es) 2017-03-23
US8748523B2 (en) 2014-06-10
UY31962A (es) 2010-02-26
PT2143688T (pt) 2016-12-09
KR101691674B1 (ko) 2016-12-30
WO2010004405A1 (en) 2010-01-14
US20110105670A1 (en) 2011-05-05
SI2143688T1 (sl) 2016-12-30
EP2307316A1 (en) 2011-04-13
TW201005047A (en) 2010-02-01
EP2143688A1 (fr) 2010-01-13

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