CH633239A5 - Plaster with retarded setting time - Google Patents
Plaster with retarded setting time Download PDFInfo
- Publication number
- CH633239A5 CH633239A5 CH859777A CH859777A CH633239A5 CH 633239 A5 CH633239 A5 CH 633239A5 CH 859777 A CH859777 A CH 859777A CH 859777 A CH859777 A CH 859777A CH 633239 A5 CH633239 A5 CH 633239A5
- Authority
- CH
- Switzerland
- Prior art keywords
- gypsum
- acid
- salts
- oxa
- setting
- Prior art date
Links
- 239000011505 plaster Substances 0.000 title description 13
- 239000010440 gypsum Substances 0.000 claims description 43
- 229910052602 gypsum Inorganic materials 0.000 claims description 43
- 239000002253 acid Substances 0.000 claims description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Substances OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 26
- 150000003839 salts Chemical class 0.000 claims description 25
- LCGLNKUTAGEVQW-UHFFFAOYSA-N methyl monoether Natural products COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 10
- 239000003340 retarding agent Substances 0.000 claims description 8
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 6
- 239000011975 tartaric acid Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 235000011090 malic acid Nutrition 0.000 claims description 2
- 239000001630 malic acid Substances 0.000 claims description 2
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- LVVZBNKWTVZSIU-UHFFFAOYSA-N 2-(carboxymethoxy)propanedioic acid Chemical compound OC(=O)COC(C(O)=O)C(O)=O LVVZBNKWTVZSIU-UHFFFAOYSA-N 0.000 description 12
- QEVGZEDELICMKH-UHFFFAOYSA-N Diglycolic acid Chemical compound OC(=O)COCC(O)=O QEVGZEDELICMKH-UHFFFAOYSA-N 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 3
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- KQTIIICEAUMSDG-UHFFFAOYSA-N tricarballylic acid Chemical compound OC(=O)CC(C(O)=O)CC(O)=O KQTIIICEAUMSDG-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 229920001875 Ebonite Polymers 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- BBPLUGJBEGWJCV-UHFFFAOYSA-N propane-1,1,3-tricarboxylic acid Chemical compound OC(=O)CCC(C(O)=O)C(O)=O BBPLUGJBEGWJCV-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Medicinal Preparation (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762638853 DE2638853C2 (de) | 1976-08-28 | 1976-08-28 | Gips mit verzögerter Abbindezeit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633239A5 true CH633239A5 (en) | 1982-11-30 |
Family
ID=5986610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH859777A CH633239A5 (en) | 1976-08-28 | 1977-07-12 | Plaster with retarded setting time |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE858133A (Direct) |
| CH (1) | CH633239A5 (Direct) |
| DE (1) | DE2638853C2 (Direct) |
| FR (1) | FR2362799A1 (Direct) |
| LU (1) | LU78026A1 (Direct) |
| NL (1) | NL7709347A (Direct) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2841488A1 (de) * | 1978-09-23 | 1980-04-03 | Hoechst Ag | Verfahren zur herstellung von waessrigen calciumsulfat-halbhydrat- suspensionen und deren verwendung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3598621A (en) * | 1970-03-09 | 1971-08-10 | Peter J Ferrara | Plaster setting retarder |
| DE2325739A1 (de) * | 1973-05-21 | 1974-12-19 | Henkel & Cie Gmbh | Gipsmassen |
-
1976
- 1976-08-28 DE DE19762638853 patent/DE2638853C2/de not_active Expired
-
1977
- 1977-07-12 CH CH859777A patent/CH633239A5/de not_active IP Right Cessation
- 1977-08-24 NL NL7709347A patent/NL7709347A/xx not_active Application Discontinuation
- 1977-08-25 LU LU78026A patent/LU78026A1/xx unknown
- 1977-08-26 FR FR7726123A patent/FR2362799A1/fr active Granted
- 1977-08-26 BE BE180446A patent/BE858133A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2638853A1 (de) | 1978-03-02 |
| FR2362799A1 (fr) | 1978-03-24 |
| DE2638853C2 (de) | 1984-12-06 |
| BE858133A (fr) | 1978-02-27 |
| NL7709347A (nl) | 1978-03-02 |
| LU78026A1 (Direct) | 1978-04-27 |
| FR2362799B1 (Direct) | 1983-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |