GB1479804A - Process for preparing shaped articles from gypsum - Google Patents
Process for preparing shaped articles from gypsumInfo
- Publication number
- GB1479804A GB1479804A GB33057/75A GB3305775A GB1479804A GB 1479804 A GB1479804 A GB 1479804A GB 33057/75 A GB33057/75 A GB 33057/75A GB 3305775 A GB3305775 A GB 3305775A GB 1479804 A GB1479804 A GB 1479804A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gypsum
- calcium sulphate
- proportion
- per cent
- aug
- 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
Links
- 229910052602 gypsum Inorganic materials 0.000 title abstract 5
- 239000010440 gypsum Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000654 additive Substances 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 abstract 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 1
- 239000001166 ammonium sulphate Substances 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- 229910052586 apatite Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Classifications
-
- 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)
- 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)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7410706A NL7410706A (nl) | 1974-08-09 | 1974-08-09 | Werkwijze voor het vervaardigen van vormlingen uit gips. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1479804A true GB1479804A (en) | 1977-07-13 |
Family
ID=19821890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33057/75A Expired GB1479804A (en) | 1974-08-09 | 1975-08-07 | Process for preparing shaped articles from gypsum |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5145120A (enExample) |
| BE (1) | BE832152A (enExample) |
| BR (1) | BR7505111A (enExample) |
| CA (1) | CA1077245A (enExample) |
| DE (1) | DE2535577A1 (enExample) |
| ES (1) | ES440142A1 (enExample) |
| FR (1) | FR2281202A1 (enExample) |
| GB (1) | GB1479804A (enExample) |
| IT (1) | IT1041174B (enExample) |
| NL (1) | NL7410706A (enExample) |
| PL (1) | PL112807B1 (enExample) |
| ZA (1) | ZA755010B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4220576A (en) | 1977-07-26 | 1980-09-02 | Societe D'investissement Pour Le Developpement Des Appareils Menagers | Products based on plaster and processes for their manufacture |
| FR2473167A1 (fr) * | 1979-12-21 | 1981-07-10 | Hukkanen Pentti | Procede de realisation de cibles jetables pour tir de competition et des sports analogues |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7604948A (nl) * | 1976-05-08 | 1977-11-10 | Stamicarbon | Werkwijze voor het vervaardigen van vormlingen uit calciumsulfaatdihydraat. |
| SU863537A1 (ru) * | 1977-04-27 | 1981-09-15 | Ростовский Филиал Производственно-Технического Объединения "Росоргтехстром" | Способ изготовлени гипсовых изделий |
| FR2462402A1 (fr) * | 1979-08-03 | 1981-02-13 | Setec Geotechnique | Procede de fabrication d'elements de construction a partir de sulfate de calcium hydrate, residu de traitement de phosphate calcique |
| JP2596994B2 (ja) * | 1988-12-06 | 1997-04-02 | 三菱重工業株式会社 | 石膏硬化体の製造方法 |
| EP0729926A1 (en) * | 1995-03-03 | 1996-09-04 | Gyproc Benelux | Process for producing gypsum building elements and gypsum building elements produced by said process |
| RU2379248C1 (ru) * | 2009-02-27 | 2010-01-20 | Юлия Алексеевна Щепочкина | Композиция для получения строительных изделий |
-
1974
- 1974-08-09 NL NL7410706A patent/NL7410706A/xx not_active Application Discontinuation
-
1975
- 1975-08-04 ZA ZA00755010A patent/ZA755010B/xx unknown
- 1975-08-06 BE BE158959A patent/BE832152A/xx not_active IP Right Cessation
- 1975-08-06 CA CA232,971A patent/CA1077245A/en not_active Expired
- 1975-08-07 GB GB33057/75A patent/GB1479804A/en not_active Expired
- 1975-08-07 IT IT50868/75A patent/IT1041174B/it active
- 1975-08-07 FR FR7524682A patent/FR2281202A1/fr active Granted
- 1975-08-08 BR BR7505111*A patent/BR7505111A/pt unknown
- 1975-08-08 DE DE19752535577 patent/DE2535577A1/de not_active Withdrawn
- 1975-08-08 JP JP50095954A patent/JPS5145120A/ja active Pending
- 1975-08-08 ES ES440142A patent/ES440142A1/es not_active Expired
- 1975-08-11 PL PL1975182667A patent/PL112807B1/pl unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4220576A (en) | 1977-07-26 | 1980-09-02 | Societe D'investissement Pour Le Developpement Des Appareils Menagers | Products based on plaster and processes for their manufacture |
| FR2473167A1 (fr) * | 1979-12-21 | 1981-07-10 | Hukkanen Pentti | Procede de realisation de cibles jetables pour tir de competition et des sports analogues |
Also Published As
| Publication number | Publication date |
|---|---|
| ES440142A1 (es) | 1977-03-01 |
| NL7410706A (nl) | 1976-02-11 |
| DE2535577A1 (de) | 1976-02-26 |
| JPS5145120A (enExample) | 1976-04-17 |
| IT1041174B (it) | 1980-01-10 |
| BR7505111A (pt) | 1976-08-03 |
| FR2281202A1 (fr) | 1976-03-05 |
| CA1077245A (en) | 1980-05-13 |
| PL112807B1 (en) | 1980-11-29 |
| ZA755010B (en) | 1976-07-28 |
| BE832152A (nl) | 1976-02-06 |
| FR2281202B1 (enExample) | 1982-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |