GB2173781B - Water slurry of gypsum or chalk - Google Patents

Water slurry of gypsum or chalk

Info

Publication number
GB2173781B
GB2173781B GB08608889A GB8608889A GB2173781B GB 2173781 B GB2173781 B GB 2173781B GB 08608889 A GB08608889 A GB 08608889A GB 8608889 A GB8608889 A GB 8608889A GB 2173781 B GB2173781 B GB 2173781B
Authority
GB
United Kingdom
Prior art keywords
chalk
gypsum
water slurry
slurry
water
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.)
Expired
Application number
GB08608889A
Other versions
GB2173781A (en
GB8608889D0 (en
Inventor
Axel Ingemar Thebrin
Pia Christina Thebrin
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.)
Nouryon Surface Chemistry AB
Original Assignee
Berol Kemi AB
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 Berol Kemi AB filed Critical Berol Kemi AB
Publication of GB8608889D0 publication Critical patent/GB8608889D0/en
Publication of GB2173781A publication Critical patent/GB2173781A/en
Application granted granted Critical
Publication of GB2173781B publication Critical patent/GB2173781B/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • C01F11/46—Sulfates
    • 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
    • D21H19/46—Non-macromolecular organic 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
    • 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
    • D21H19/64—Inorganic compounds
GB08608889A 1985-04-11 1986-04-11 Water slurry of gypsum or chalk Expired GB2173781B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8501773A SE8501773D0 (en) 1985-04-11 1985-04-11 PAPER COATING COMPOSITION

Publications (3)

Publication Number Publication Date
GB8608889D0 GB8608889D0 (en) 1986-05-14
GB2173781A GB2173781A (en) 1986-10-22
GB2173781B true GB2173781B (en) 1988-12-29

Family

ID=20359829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08608889A Expired GB2173781B (en) 1985-04-11 1986-04-11 Water slurry of gypsum or chalk

Country Status (5)

Country Link
DE (1) DE3612087A1 (en)
DK (1) DK161586A (en)
FI (1) FI861530A (en)
GB (1) GB2173781B (en)
SE (1) SE8501773D0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8701263D0 (en) * 1987-01-21 1987-02-25 Ecc Int Ltd Forming concentrated aqueous suspension
DE3811763C2 (en) * 1988-04-08 1993-10-07 Jungbunzlauer Ladenburg Gmbh Aqueous dispersion of gypsum in the form of calcium sulfate dihydrate and its use as a filler and coating pigment in paper and board manufacture
DE4027237A1 (en) * 1990-08-29 1992-03-05 Gypsum Research High solids aq. dispersions of flue gas gypsum - contg. a surface active sulphonate and complexing agent
US5340392A (en) * 1991-04-26 1994-08-23 Franklin Industries, Inc. Method and product of calcium sulfate dihydrate as filler in aqueous polymer dispersions
GB9909749D0 (en) * 1999-04-29 1999-06-23 Mineral Recovery Systems Limit Purification method
CA2367593C (en) * 2001-08-13 2003-02-18 Kruger Inc. Method of reducing the solubility of calcium sulfate dihydrate in an aqueous suspension and method of making the same
DE10209698A1 (en) † 2002-03-06 2003-09-18 Sachtleben Chemie Gmbh Process for the production of coated, finely divided, inorganic solids and their use
ITVA20070018A1 (en) * 2007-02-16 2008-08-17 Lamberti Spa WATER SUSPENSIONS CONCENTRATED OF PLASTER FOR PAPER PREPARATION

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645677A (en) * 1968-09-24 1972-02-29 Taki Fertilizer Mfg Co Ltd Production of gypsum

Also Published As

Publication number Publication date
GB2173781A (en) 1986-10-22
DK161586D0 (en) 1986-04-10
FI861530A0 (en) 1986-04-10
FI861530A (en) 1986-10-12
SE8501773D0 (en) 1985-04-11
DE3612087A1 (en) 1986-10-23
DK161586A (en) 1986-10-12
GB8608889D0 (en) 1986-05-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee