DE97954983T1 - Verwendung von kalziumkarbonat in einem sauren wässrigen medium - Google Patents

Verwendung von kalziumkarbonat in einem sauren wässrigen medium Download PDF

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Publication number
DE97954983T1
DE97954983T1 DE0000954512T DE97954983T DE97954983T1 DE 97954983 T1 DE97954983 T1 DE 97954983T1 DE 0000954512 T DE0000954512 T DE 0000954512T DE 97954983 T DE97954983 T DE 97954983T DE 97954983 T1 DE97954983 T1 DE 97954983T1
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DE
Germany
Prior art keywords
calcium carbonate
slurry
millimolar
concentration
carbon dioxide
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.)
Pending
Application number
DE0000954512T
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English (en)
Inventor
Donald Kendall Drummond
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.)
Minerals Technologies Inc
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Minerals Technologies Inc
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25101879&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE97954983(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minerals Technologies Inc filed Critical Minerals Technologies Inc
Publication of DE97954983T1 publication Critical patent/DE97954983T1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • 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
    • D21H17/07—Nitrogen-containing compounds
    • 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
    • D21H17/65—Acid compounds
    • 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
    • D21H17/66—Salts, e.g. alums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Verfahren zur Herstellung von Papier, welches Kalziumkarbonat als Füllstoff aufweist, wobei das Kalziumkarbonat von einem wässrigen Kalziumkarbonat-Slurry bereitgestellt wird und wobei der pH-Wert des Slurrys durch das Hinzufügen von Kohlendioxid auf weniger als 7 reduziert wurde.

Claims (12)

  1. Verfahren zur Herstellung von Papier, welches Kalziumkarbonat als Füllstoff aufweist, wobei das Kalziumkarbonat von einem wässrigen Kalziumkarbonat-Slurry bereitgestellt wird und wobei der pH-Wert des Slurrys durch das Hinzufügen von Kohlendioxid auf weniger als 7 reduziert wurde.
  2. Verfahren nach Anspruch 1, wobei das Kalziumkarbonat mit einem Anteil von 1 bis 40 Gewichts-% vorliegt.
  3. Verfahren nach Anspruch 1 oder Anspruch 2, wobei das Kalziumkarbonat ausgefälltes Kalziumkarbonat ist.
  4. Verfahren nach einem der Ansprüche 1 bis 3, wobei ein wasserlösliches Kalziumsalz in einem Anteil zu dem Slurry hinzugefügt wird, der ausreichend ist, um eine Kalziumkonzentration von 1 millimolar bis 5 molar bereitzustellen.
  5. Verfahren nach Anspruch 4, wobei das wasserlösliche Kalziumsalz in einem Anteil vorliegt, der ausreichend ist, um eine Kalziumionenkonzentration von 1 bis 120 millimolar bereitzustellen.
  6. Verfahren nach einem der vorangegangenen Ansprüchen, wobei das Kohlendioxid in einem Anteil hinzugefügt wird, der ausreichend ist, um eine Konzentration von 0,001 bis 1000 millimolar bereitzustellen.
  7. Verfahren nach Anspruch 6, bei dem das Kohlendioxid in einem Anteil hinzugefügt wird, der ausreichend ist, um eine Konzentration von 0,01 bis 100 millimolar bereitzustellen.
  8. Verfahren nach einem der vorangegangenen Ansprüchen, wobei eine chelatbildende Agens in einer Konzentration von 0,01 bis 1000 millimolar hinzugefügt wird.
  9. Verfahren nach Anspruch 8, wobei die chelatbildende Agens ein Polycarboxylat ist.
  10. Verfahren nach Anspruch 9, wobei das Polycarboxylat Natrium-Ethylendiamintetra-Essigsäure (EDTA) ist.
  11. Verfahren nach einer vorangegangenen Ansprüche, bei dem der pH-Wert zwischen 6 und 7 ist.
  12. Verfahren nach einem der vorangegangenen Ansprüche, umfassend die Herstellung eines Säure-stabilisierten Kalziumkarbonat-Slurrys mit einem pH-Wert von weniger als 7, durch Hinzufügen von Kohlendioxid zu einem Wasser und Kalziumkarbonat aufweisenden Slurry in einem Anteil, der ausreichend ist, um ein wässriges Kalziumkarbonat-Slurry mit einem pH-Wert von weniger als 7 bereitzustellen und Hinzufügen des Slurrys zu einer Pulpe für die Papierherstellung und Formen eines gefüllten Papiers.
DE0000954512T 1996-12-30 1997-12-05 Verwendung von kalziumkarbonat in einem sauren wässrigen medium Pending DE97954983T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US774662 1996-12-30
US08/774,662 US6228161B1 (en) 1996-12-30 1996-12-30 Use of calcium carbonate in an acidic aqueous media
PCT/US1997/023151 WO1998029601A2 (en) 1996-12-30 1997-12-05 The use of calcium carbonate in an acidic aqueous media

Publications (1)

Publication Number Publication Date
DE97954983T1 true DE97954983T1 (de) 2004-04-22

Family

ID=25101879

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69728906T Expired - Lifetime DE69728906T3 (de) 1996-12-30 1997-12-05 Verwendung von kalziumkarbonat in einem sauren wässrigen medium
DE69733727T Expired - Lifetime DE69733727T3 (de) 1996-12-30 1997-12-05 Verwendung von Kalziumkarbonat in einem saurem wässrigen Medium
DE69738660T Expired - Lifetime DE69738660T3 (de) 1996-12-30 1997-12-05 Verwendung von Kalziumkarbonat in einem sauren wässrigen Medium
DE0000954512T Pending DE97954983T1 (de) 1996-12-30 1997-12-05 Verwendung von kalziumkarbonat in einem sauren wässrigen medium

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69728906T Expired - Lifetime DE69728906T3 (de) 1996-12-30 1997-12-05 Verwendung von kalziumkarbonat in einem sauren wässrigen medium
DE69733727T Expired - Lifetime DE69733727T3 (de) 1996-12-30 1997-12-05 Verwendung von Kalziumkarbonat in einem saurem wässrigen Medium
DE69738660T Expired - Lifetime DE69738660T3 (de) 1996-12-30 1997-12-05 Verwendung von Kalziumkarbonat in einem sauren wässrigen Medium

Country Status (19)

Country Link
US (2) US6228161B1 (de)
EP (3) EP1553053B2 (de)
JP (1) JP3427359B2 (de)
KR (1) KR100504668B1 (de)
CN (1) CN1073050C (de)
AR (1) AR010838A1 (de)
AT (3) ATE265395T1 (de)
AU (1) AU731405B2 (de)
BR (1) BR9714124A (de)
CA (1) CA2276353C (de)
DE (4) DE69728906T3 (de)
ES (3) ES2204363T3 (de)
HK (1) HK1082722A1 (de)
NO (1) NO993202L (de)
NZ (1) NZ336272A (de)
PL (1) PL334388A1 (de)
RU (1) RU2179607C2 (de)
TW (1) TW442593B (de)
WO (1) WO1998029601A2 (de)

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TW442593B (en) 2001-06-23
HK1082722A1 (en) 2006-06-16
RU2179607C2 (ru) 2002-02-20
DE69733727T2 (de) 2006-06-01
EP0954512A2 (de) 1999-11-10
DE69738660T3 (de) 2012-02-02
ES2204363T3 (es) 2004-11-16
EP1396474B1 (de) 2005-07-13
AU731405B2 (en) 2001-03-29
US6228161B1 (en) 2001-05-08
JP3427359B2 (ja) 2003-07-14
CA2276353A1 (en) 1998-07-09
ES2204363T1 (es) 2004-05-01
AR010838A1 (es) 2000-07-12
AU6316398A (en) 1998-07-31
EP0954512B1 (de) 2004-04-28
CA2276353C (en) 2004-04-13
DE69728906D1 (de) 2004-06-03
DE69738660T2 (de) 2009-07-09
KR100504668B1 (ko) 2005-07-29
EP0954512B2 (de) 2010-07-21
EP1553053B1 (de) 2008-04-30
DE69728906T3 (de) 2011-05-12
WO1998029601A3 (en) 1998-09-11
ATE265395T1 (de) 2004-05-15
NZ336272A (en) 2000-12-22
CN1073050C (zh) 2001-10-17
JP2001507762A (ja) 2001-06-12
DE69738660D1 (de) 2008-06-12
WO1998029601A2 (en) 1998-07-09
EP1553053B2 (de) 2011-05-04
CN1242757A (zh) 2000-01-26
PL334388A1 (en) 2000-02-28
NO993202D0 (no) 1999-06-28
BR9714124A (pt) 2000-09-05
ES2305659T3 (es) 2008-11-01
EP1396474B2 (de) 2010-07-21
EP1396474A3 (de) 2004-03-17
DE69728906T2 (de) 2005-04-21
ATE393759T1 (de) 2008-05-15
DE69733727D1 (de) 2005-08-18
KR20000062346A (ko) 2000-10-25
EP1553053A1 (de) 2005-07-13
DE69733727T3 (de) 2011-02-03
EP1396474A2 (de) 2004-03-10
NO993202L (no) 1999-06-28
US7033428B2 (en) 2006-04-25
ATE299476T1 (de) 2005-07-15
US20020148582A1 (en) 2002-10-17

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