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 PDFInfo
- 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
- shaped
- μπι
- process according
- Prior art date
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)
- Compositions Of Oxide Ceramics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Glass Compositions (AREA)
- Table Devices Or Equipment (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Producing Shaped Articles From Materials (AREA)
- Making Paper Articles (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electronic Switches (AREA)
- Elevator Door Apparatuses (AREA)
- Catching Or Destruction (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/004,545 US4801355A (en) | 1987-01-16 | 1987-01-16 | Tabular acicular gypsum and method of filling paper |
US454587 | 1987-01-16 | ||
US8800141 | 1988-01-11 | ||
PCT/US1988/000141 WO1988005423A1 (fr) | 1987-01-16 | 1988-01-11 | Platre aciculaire de type tabulaire et procede de fabrication de papier avec charge |
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 (fr) |
EP (1) | EP0298120B1 (fr) |
AT (1) | ATE86231T1 (fr) |
AU (1) | AU605576B2 (fr) |
CA (1) | CA1307903C (fr) |
DE (1) | DE3878756T2 (fr) |
DK (1) | DK171467B1 (fr) |
ES (1) | ES2005755A6 (fr) |
FI (1) | FI92047C (fr) |
MX (1) | MX165337B (fr) |
NO (1) | NO175494C (fr) |
NZ (1) | NZ223170A (fr) |
WO (1) | WO1988005423A1 (fr) |
ZA (1) | ZA88264B (fr) |
Families Citing this family (14)
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 (fr) * | 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 (fr) * | 2001-08-13 | 2003-02-18 | Kruger Inc. | Methode pour reduire la solubilite du sulfate de calcium dihydrate dans une suspension aqueuse et methode de preparation |
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 |
EP2445710A1 (fr) * | 2009-06-22 | 2012-05-02 | Hercules Incorporated | Revêtement à germe cristallin pour parement de panneau mural en gypse |
FI20105128A (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 |
Family Cites Families (17)
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 |
FI814197L (fi) * | 1981-01-02 | 1982-07-03 | Enriqueta Galceran Vila | Foerfarande foer framstaellning och anvaendning av en kristallin produkt |
US4372814A (en) * | 1981-05-13 | 1983-02-08 | United States Gypsum Company | Paper having mineral filler for use in the production of gypsum wallboard |
-
1987
- 1987-01-16 US US07/004,545 patent/US4801355A/en not_active Expired - Lifetime
-
1988
- 1988-01-11 AU AU14961/88A patent/AU605576B2/en not_active Ceased
- 1988-01-11 WO PCT/US1988/000141 patent/WO1988005423A1/fr active IP Right Grant
- 1988-01-11 AT AT88902990T patent/ATE86231T1/de not_active IP Right Cessation
- 1988-01-11 DE DE8888902990T patent/DE3878756T2/de not_active Expired - Fee Related
- 1988-01-11 EP EP88902990A patent/EP0298120B1/fr not_active Expired - Lifetime
- 1988-01-12 NZ NZ223170A patent/NZ223170A/xx unknown
- 1988-01-12 CA CA000556356A patent/CA1307903C/fr not_active Expired - Lifetime
- 1988-01-13 ES ES8800073A patent/ES2005755A6/es not_active Expired
- 1988-01-15 ZA ZA880264A patent/ZA88264B/xx unknown
- 1988-01-28 MX MX010233A patent/MX165337B/es unknown
- 1988-09-15 DK DK515588A patent/DK171467B1/da not_active IP Right Cessation
- 1988-09-15 FI FI884250A patent/FI92047C/fi not_active IP Right Cessation
- 1988-09-16 NO NO884146A patent/NO175494C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK515588A (da) | 1988-11-01 |
FI884250A (fi) | 1988-09-15 |
EP0298120A4 (fr) | 1989-05-16 |
WO1988005423A1 (fr) | 1988-07-28 |
CA1307903C (fr) | 1992-09-29 |
ATE86231T1 (de) | 1993-03-15 |
DE3878756D1 (de) | 1993-04-08 |
EP0298120A1 (fr) | 1989-01-11 |
AU605576B2 (en) | 1991-01-17 |
NZ223170A (en) | 1989-11-28 |
DE3878756T2 (de) | 1993-09-23 |
FI92047C (fi) | 1994-09-26 |
NO884146D0 (no) | 1988-09-16 |
MX165337B (es) | 1992-11-05 |
EP0298120B1 (fr) | 1993-03-03 |
ES2005755A6 (es) | 1989-03-16 |
US4801355A (en) | 1989-01-31 |
NO884146L (no) | 1988-11-16 |
NO175494B (no) | 1994-07-11 |
FI92047B (fi) | 1994-06-15 |
ZA88264B (en) | 1988-07-01 |
NO175494C (no) | 1994-10-19 |
AU1496188A (en) | 1988-08-10 |
FI884250A0 (fi) | 1988-09-15 |
DK515588D0 (da) | 1988-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |
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