FI97972B - Menetelmä kalsiumkarbonaattia sisältävien partikkelien valkaisemiseksi - Google Patents

Menetelmä kalsiumkarbonaattia sisältävien partikkelien valkaisemiseksi

Info

Publication number
FI97972B
FI97972B FI915076A FI915076A FI97972B FI 97972 B FI97972 B FI 97972B FI 915076 A FI915076 A FI 915076A FI 915076 A FI915076 A FI 915076A FI 97972 B FI97972 B FI 97972B
Authority
FI
Finland
Prior art keywords
calcium carbonate
bleaching
carbonate particles
keeping
aqueous solution
Prior art date
Application number
FI915076A
Other languages
English (en)
Swedish (sv)
Other versions
FI915076A (fi
FI915076A0 (fi
FI97972C (fi
Inventor
Pia Hellstroem
Ivan Dalin
Steen Linderstroem-Lang
Original Assignee
Eka Nobel Ab
Faxe Kalk
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20380760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI97972(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Nobel Ab, Faxe Kalk filed Critical Eka Nobel Ab
Publication of FI915076A0 publication Critical patent/FI915076A0/fi
Publication of FI915076A publication Critical patent/FI915076A/fi
Publication of FI97972B publication Critical patent/FI97972B/fi
Application granted granted Critical
Publication of FI97972C publication Critical patent/FI97972C/fi

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
    • 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
    • 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
    • C09C1/0081—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound
    • 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
    • C09C1/022—Treatment with inorganic 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
    • D21H17/67—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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Detergent Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paper (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
FI915076A 1990-10-29 1991-10-28 Menetelmä kalsiumkarbonaattia sisältävien partikkelien valkaisemiseksi FI97972C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003440A SE469475B (sv) 1990-10-29 1990-10-29 Saett att bleka partiklar innehaallande kalciumkarbonat
SE9003440 1990-10-29

Publications (4)

Publication Number Publication Date
FI915076A0 FI915076A0 (fi) 1991-10-28
FI915076A FI915076A (fi) 1992-04-30
FI97972B true FI97972B (fi) 1996-12-13
FI97972C FI97972C (fi) 1997-03-25

Family

ID=20380760

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915076A FI97972C (fi) 1990-10-29 1991-10-28 Menetelmä kalsiumkarbonaattia sisältävien partikkelien valkaisemiseksi

Country Status (7)

Country Link
US (1) US5188814A (fi)
EP (1) EP0483902B1 (fi)
AT (1) ATE98661T1 (fi)
DE (1) DE69100801T2 (fi)
DK (1) DK0483902T3 (fi)
FI (1) FI97972C (fi)
SE (1) SE469475B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103801B (fi) * 1998-02-24 1999-09-30 Kemira Oyj Menetelmä pigmenttien valkaisemiseksi
US7105139B2 (en) * 2002-04-25 2006-09-12 Imerys Pigments, Inc. Stabilization of the viscosity of formamidine sulfinic acid bleached calcium carbonate slurries
US10590003B1 (en) 2017-08-24 2020-03-17 Mississippi Lime Company Method of brightening ground calcium carbonate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE508537A (fi) * 1951-02-08
DE1467470C2 (de) * 1963-10-28 1974-06-12 Pluess-Staufer Ag, Oftringen, Aargau (Schweiz) Verbesserung des Weiß grades von Kreide, Calcit oder Dolomit
US3333919A (en) * 1965-02-09 1967-08-01 John S Buckingham Strontium recovery process
GB1264190A (fi) * 1969-10-09 1972-02-16
SE417104B (sv) * 1978-10-30 1981-02-23 Supra Ab Sett att rena respektive bleka fororenat kalciumsulfat avsedd att anvendas som pigment och/eller fyllmedel
DE3122218A1 (de) * 1981-06-04 1982-12-23 Peroxid-Chemie GmbH, 8023 Höllriegelskreuth Verfahren zum aufhellen von naturkreide
US4793985A (en) * 1982-08-23 1988-12-27 J. M. Huber Corporation Method of producing ultrafine ground calcium carbonate
FR2570721B1 (fr) * 1984-09-25 1988-01-08 Condat Papeteries Procede permettant la valorisation des boues de chaux dans le cycle de caustification du procede kraft
GB8711094D0 (en) * 1987-05-11 1987-06-17 Ecc Int Ltd Natural calcium carbonate ores
US4935391A (en) * 1989-03-31 1990-06-19 Fmc Corporation Process for preparing a purified mineral coating

Also Published As

Publication number Publication date
DK0483902T3 (da) 1994-04-18
US5188814A (en) 1993-02-23
DE69100801T2 (de) 1994-04-21
SE9003440D0 (sv) 1990-10-29
ATE98661T1 (de) 1994-01-15
SE9003440L (sv) 1992-04-30
EP0483902A1 (en) 1992-05-06
FI915076A (fi) 1992-04-30
FI915076A0 (fi) 1991-10-28
EP0483902B1 (en) 1993-12-15
FI97972C (fi) 1997-03-25
DE69100801D1 (de) 1994-01-27
SE469475B (sv) 1993-07-12

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired