DK171467B1 - Fremgangsmåde til fremstilling af tavle- og nåleformede gipskrystaller, navnlig til brug ved fremstilling af papir - Google Patents

Fremgangsmåde til fremstilling af tavle- og nåleformede gipskrystaller, navnlig til brug ved fremstilling af papir Download PDF

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Publication number
DK171467B1
DK171467B1 DK515588A DK515588A DK171467B1 DK 171467 B1 DK171467 B1 DK 171467B1 DK 515588 A DK515588 A DK 515588A DK 515588 A DK515588 A DK 515588A DK 171467 B1 DK171467 B1 DK 171467B1
Authority
DK
Denmark
Prior art keywords
crystals
gypsum
μπι
shaped
process according
Prior art date
Application number
DK515588A
Other languages
Danish (da)
English (en)
Other versions
DK515588D0 (da
DK515588A (da
Inventor
Norman E Johnstone
John C Gaynor
Original Assignee
United States Gypsum Co
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 United States Gypsum Co filed Critical United States Gypsum Co
Publication of DK515588D0 publication Critical patent/DK515588D0/da
Publication of DK515588A publication Critical patent/DK515588A/da
Application granted granted Critical
Publication of DK171467B1 publication Critical patent/DK171467B1/da

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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • 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
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Table Devices Or Equipment (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Glass Compositions (AREA)
  • Medicinal Preparation (AREA)
  • Elevator Door Apparatuses (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Electronic Switches (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Making Paper Articles (AREA)
  • Catching Or Destruction (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
DK515588A 1987-01-16 1988-09-15 Fremgangsmåde til fremstilling af tavle- og nåleformede gipskrystaller, navnlig til brug ved fremstilling af papir DK171467B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US454587 1987-01-16
US07/004,545 US4801355A (en) 1987-01-16 1987-01-16 Tabular acicular gypsum and method of filling paper
US8800141 1988-01-11
PCT/US1988/000141 WO1988005423A1 (en) 1987-01-16 1988-01-11 Tabular acicular gypsum and method of filling paper

Publications (3)

Publication Number Publication Date
DK515588D0 DK515588D0 (da) 1988-09-15
DK515588A DK515588A (da) 1988-11-01
DK171467B1 true DK171467B1 (da) 1996-11-11

Family

ID=21711310

Family Applications (1)

Application Number Title Priority Date Filing Date
DK515588A DK171467B1 (da) 1987-01-16 1988-09-15 Fremgangsmåde til fremstilling af tavle- og nåleformede gipskrystaller, navnlig til brug ved fremstilling af papir

Country Status (14)

Country Link
US (1) US4801355A (de)
EP (1) EP0298120B1 (de)
AT (1) ATE86231T1 (de)
AU (1) AU605576B2 (de)
CA (1) CA1307903C (de)
DE (1) DE3878756T2 (de)
DK (1) DK171467B1 (de)
ES (1) ES2005755A6 (de)
FI (1) FI92047C (de)
MX (1) MX165337B (de)
NO (1) NO175494C (de)
NZ (1) NZ223170A (de)
WO (1) WO1988005423A1 (de)
ZA (1) ZA88264B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106600A (en) * 1987-01-16 1992-04-21 United States Gypsum Company Process for producing tabular acicular gypsum crystals
FR2629069B1 (fr) * 1988-03-24 1990-11-23 Lafarge Sa Platres Procede de preparation de sulfate de calcium a structure cristalline longiligne dotee d'une longueur et d'un facteur de forme maitrises
FR2640961B1 (de) * 1988-12-22 1993-04-02 Lafarge Platres
FR2647433B1 (fr) * 1989-05-23 1991-10-31 Lafarge Coppee Da Procede de preparation par voie aqueuse de sulfate de calcium purifie
US5395438A (en) * 1994-01-14 1995-03-07 Usg Interiors, Inc. Mineral wool-free acoustical tile composition
ES2095184B1 (es) * 1994-07-15 1997-09-01 Compania General Yesera S A Procedimiento para la obtencion de una carga radial especialmente para uso en la industria papelera, producto de carga formado por cocristalizacion de sulfatos de calcio anhidro y hemihidrato y composicion util para la preparacion de dicha carga.
US6399185B1 (en) * 1998-10-30 2002-06-04 Timothy D. Cathey Vegetation substrate
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
US7273579B2 (en) * 2004-01-28 2007-09-25 United States Gypsum Company Process for production of gypsum/fiber board
FI20070093A0 (fi) * 2007-02-02 2007-02-02 Kemira Oyj Kipsituote ja menetelmä sen valmistamiseksi
US20100323163A1 (en) * 2009-06-22 2010-12-23 Hercules Incorporated Seed crystal coating for gypsum wallboard facing
FI20105128A7 (fi) 2010-02-10 2011-08-11 Kemira Oyj Menetelmä pigmentti-kuitukomposiitin valmistamiseksi
FI20105502L (fi) 2010-05-10 2011-11-11 Kemira Oyj Kipsituote
US8226766B2 (en) 2010-12-22 2012-07-24 United States Gypsum Company Set accelerator for gypsum hydration
CN119406531A (zh) * 2024-11-23 2025-02-11 山东世纪阳光纸业集团有限公司 脱硫石膏研磨制备系统及应用

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US105594A (en) * 1870-07-19 Improvement in the manufacture of paper
US848916A (en) * 1907-01-18 1907-04-02 Alfred Monin Loading or filling substance for use in the manufacture of paper.
US1751429A (en) * 1927-06-20 1930-03-18 Canada Gypsum And Alabastine L Reenforced building material and process of making the same
US1962887A (en) * 1931-02-07 1934-06-12 American Cyanamid Co Method of controlling crystal size
US2235531A (en) * 1931-09-04 1941-03-18 West Virginia Pulp & Paper Com Method of producing paper filler
US2304361A (en) * 1938-10-31 1942-12-08 Howard D Meincke Method of making paper
US2530986A (en) * 1944-08-12 1950-11-21 Moses Edmund Quincy Plaster of paris containing paper and method of making
US3594123A (en) * 1967-08-10 1971-07-20 Arizona Chem Enhancement of gypsum crystal growth in wet-process phosphoric acid
US3627485A (en) * 1968-11-05 1971-12-14 Nippon Kokan Kk Method of producing calcium sulfate dihydrate
US3961105A (en) * 1972-03-27 1976-06-01 Certain-Teed Products Corporation Method for the manufacture of coated calcium sulfate whisker fibers
US3822340A (en) * 1972-03-27 1974-07-02 Franklin Key Calcium sulfate whisker fibers and the method for the manufacture thereof
DE2621611C3 (de) * 1976-05-14 1981-06-25 Skw Trostberg Ag, 8223 Trostberg Anorganische Fasern, Verfahren zu deren Herstellung sowie deren Verwendung
DE2729842B2 (de) * 1977-07-01 1979-05-23 Skw Trostberg Ag, 8223 Trostberg Verfahren zur Herstellung von anorganischen Fasern auf Basis von Calciumsulfat
US4152408A (en) * 1977-11-25 1979-05-01 Certain-Teed Corporation Fibrous calcium sulfate
SE441457C (sv) * 1978-10-30 1990-06-18 Supra Ab Saett att framstaella slamma foer bestrykningsmedel foer papper, kartong och liknande, innehaallande kalciumsulfat som pigment
FI814197A7 (fi) * 1981-01-02 1982-07-03 Enriqueta Galceran Vila Menetelmä kiteisen tuotteen valmistamiseksi ja käyttämiseksi.
US4372814A (en) * 1981-05-13 1983-02-08 United States Gypsum Company Paper having mineral filler for use in the production of gypsum wallboard

Also Published As

Publication number Publication date
EP0298120B1 (de) 1993-03-03
FI884250L (fi) 1988-09-15
NO884146D0 (no) 1988-09-16
NO884146L (no) 1988-11-16
FI92047C (fi) 1994-09-26
ES2005755A6 (es) 1989-03-16
NZ223170A (en) 1989-11-28
WO1988005423A1 (en) 1988-07-28
FI884250A0 (fi) 1988-09-15
DK515588D0 (da) 1988-09-15
EP0298120A1 (de) 1989-01-11
MX165337B (es) 1992-11-05
CA1307903C (en) 1992-09-29
ATE86231T1 (de) 1993-03-15
AU1496188A (en) 1988-08-10
DK515588A (da) 1988-11-01
EP0298120A4 (de) 1989-05-16
NO175494B (no) 1994-07-11
NO175494C (no) 1994-10-19
US4801355A (en) 1989-01-31
AU605576B2 (en) 1991-01-17
ZA88264B (en) 1988-07-01
DE3878756T2 (de) 1993-09-23
FI92047B (fi) 1994-06-15
DE3878756D1 (de) 1993-04-08

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