GB2047675A - Method of preparing gypsum articles - Google Patents
Method of preparing gypsum articlesInfo
- Publication number
- GB2047675A GB2047675A GB8005042A GB8005042A GB2047675A GB 2047675 A GB2047675 A GB 2047675A GB 8005042 A GB8005042 A GB 8005042A GB 8005042 A GB8005042 A GB 8005042A GB 2047675 A GB2047675 A GB 2047675A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potassium
- plaster
- articles
- water slurry
- preparing gypsum
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/141—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing dihydrated gypsum before the final hardening step, e.g. forming a dihydrated gypsum product followed by a de- and rehydration step
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Plaster products can be prepared from calcium sulphate dihydrate by adding to a water slurry of calcium sulphate dihydrate a potassium salt, especially potassium hydrogen-carbonate or potassium tetraborate but, in the first place, potassium sulphate, including a carrier, after which the water slurry is moulded and further worked in known manner to the desired plaster product, especially plaster board or moulds for the production of metal articles or ceramic articles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7807807A SE426053C (en) | 1978-07-13 | 1978-07-13 | SET TO MAKE PLASTIC PRODUCTS |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2047675A true GB2047675A (en) | 1980-12-03 |
GB2047675B GB2047675B (en) | 1984-02-29 |
Family
ID=20335446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8005042A Expired GB2047675B (en) | 1978-07-13 | 1979-07-12 | Method of preparing gypsum articles |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS55500522A (en) |
AU (1) | AU528999B2 (en) |
CA (1) | CA1135291A (en) |
DK (1) | DK105780A (en) |
FR (1) | FR2430921A1 (en) |
GB (1) | GB2047675B (en) |
SE (1) | SE426053C (en) |
WO (1) | WO1980000248A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT380005B (en) * | 1980-01-09 | 1986-03-25 | Tenax Maskin Ab | METHOD FOR PRODUCING PLASTER PRODUCTS |
AU2020202788A1 (en) * | 2020-04-27 | 2021-11-11 | Pact Renewables Pty Ltd | Mineral-based composites |
GB2611904A (en) * | 2020-06-25 | 2023-04-19 | Pact Renewables Pty Ltd | Degradable materials containing waste paper products |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE432542C (en) * | 1924-04-15 | 1926-08-09 | Morduch E Lewin | Process for the production of a cement-like mass |
US3359146A (en) * | 1964-03-27 | 1967-12-19 | United States Gypsum Co | Method of producing gypsum articles having improved strength to density ratio |
US3841886A (en) * | 1972-04-13 | 1974-10-15 | Motus Chem Inc | Refractory cement incorporating fluxing component |
GB1371015A (en) * | 1972-05-15 | 1974-10-23 | Raytheon Co | Fabrication of foundry casting moulds and cores |
JPS5313629A (en) * | 1976-07-23 | 1978-02-07 | Mitsubishi Mining & Cement Co | Gypsum series setting material production method |
JPS53130723A (en) * | 1977-03-23 | 1978-11-15 | Mitsubishi Mining & Cement Co | Method of producing hardened body of gypsum reinforced with fiber |
JPS53119918A (en) * | 1977-03-28 | 1978-10-19 | Chichibu Cement Kk | Light weight hardened body and its manufacture |
-
1978
- 1978-07-13 SE SE7807807A patent/SE426053C/en not_active IP Right Cessation
-
1979
- 1979-07-12 CA CA000331682A patent/CA1135291A/en not_active Expired
- 1979-07-12 AU AU48879/79A patent/AU528999B2/en not_active Ceased
- 1979-07-12 JP JP50113979A patent/JPS55500522A/ja active Pending
- 1979-07-12 GB GB8005042A patent/GB2047675B/en not_active Expired
- 1979-07-12 FR FR7918086A patent/FR2430921A1/en active Granted
- 1979-07-12 WO PCT/SE1979/000154 patent/WO1980000248A1/en unknown
-
1980
- 1980-03-12 DK DK105780A patent/DK105780A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2430921A1 (en) | 1980-02-08 |
WO1980000248A1 (en) | 1980-02-21 |
DK105780A (en) | 1980-03-12 |
SE7807807L (en) | 1980-01-14 |
CA1135291A (en) | 1982-11-09 |
GB2047675B (en) | 1984-02-29 |
SE426053C (en) | 1985-09-09 |
AU528999B2 (en) | 1983-05-19 |
JPS55500522A (en) | 1980-08-14 |
FR2430921B1 (en) | 1984-12-21 |
SE426053B (en) | 1982-12-06 |
AU4887979A (en) | 1980-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |