DK0524999T3 - Cementkomposition og fremgangsmåde deraf - Google Patents
Cementkomposition og fremgangsmåde derafInfo
- Publication number
- DK0524999T3 DK0524999T3 DK91907474.0T DK91907474T DK0524999T3 DK 0524999 T3 DK0524999 T3 DK 0524999T3 DK 91907474 T DK91907474 T DK 91907474T DK 0524999 T3 DK0524999 T3 DK 0524999T3
- Authority
- DK
- Denmark
- Prior art keywords
- pct
- water
- cement
- chromate
- sec
- Prior art date
Links
- 239000004568 cement Substances 0.000 title abstract 5
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract 1
- 238000010828 elution Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- -1 manganese(II) compound Chemical class 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0004—Compounds chosen for the nature of their cations
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1075—Chromium-free or very low chromium-content materials
- C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Food Science & Technology (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Processing Of Solid Wastes (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK093690A DK93690D0 (da) | 1990-04-11 | 1990-04-11 | Cementkomposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0524999T3 true DK0524999T3 (da) | 1996-10-28 |
Family
ID=8099192
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK093690A DK93690D0 (da) | 1990-04-11 | 1990-04-11 | Cementkomposition |
| DK91907474.0T DK0524999T3 (da) | 1990-04-11 | 1991-04-10 | Cementkomposition og fremgangsmåde deraf |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK093690A DK93690D0 (da) | 1990-04-11 | 1990-04-11 | Cementkomposition |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5362321A (da) |
| EP (1) | EP0524999B1 (da) |
| AT (1) | ATE139987T1 (da) |
| AU (1) | AU647118B2 (da) |
| CA (1) | CA2080379A1 (da) |
| DE (1) | DE69120672T2 (da) |
| DK (2) | DK93690D0 (da) |
| FI (1) | FI103504B (da) |
| IE (1) | IE76464B1 (da) |
| IS (1) | IS1722B (da) |
| NO (1) | NO309977B1 (da) |
| WO (1) | WO1991015435A1 (da) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321077A1 (de) | 1993-06-24 | 1995-01-05 | Dyckerhoff Ag | Verfahren zur Depression der Allergien verursachenden Wirkung von wasserlöslichem Cr·V··I· in Zementen und/oder zementhaltigen Zubereitungen |
| US5792384A (en) * | 1997-01-31 | 1998-08-11 | Warren; James R. | Concrete masons' hand rinse |
| EP0960865A1 (de) * | 1998-05-25 | 1999-12-01 | Chemische Werke Zell-Wildshausen GMBH | Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse |
| DE19832127A1 (de) * | 1998-07-17 | 2000-05-04 | Ardex Gmbh | Shigait bildende Bindemittelmischung |
| EP1269181A4 (en) * | 2000-01-31 | 2006-05-10 | Grace W R & Co | ASSAY PROCESS FOR HYDRATABLE CEMENT COMPOSITIONS |
| DE10157129C2 (de) * | 2001-11-21 | 2003-10-30 | Ferro Duo Gmbh | Verfahren zur Herstellung eines hydraulischen Bindemittels |
| DE10332530A1 (de) * | 2003-07-17 | 2005-02-10 | Kerr-Mcgee Pigments Gmbh | Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten |
| DE10335363B3 (de) * | 2003-08-01 | 2005-04-07 | Dr. Paul Lohmann Gmbh Kg | Verwendung einer Lösung und Verfahren zur Herstellung eines Mittels zur Reduzierung von Chromanteilen in einer Zementverbindung sowie danach hergestelltes Mittel |
| FR2858612B1 (fr) | 2003-08-08 | 2006-02-24 | Chryso Sas | Suspension aqueuse colloidale d'hydroxyde d'etain destinee a la reduction de chrome dans le ciment |
| US7128782B2 (en) | 2003-11-21 | 2006-10-31 | W.R. Grace & Co.-Conn. | Sulfate dispersion chromate reducer |
| AU2005213339B2 (en) * | 2004-02-04 | 2010-06-17 | W.R. Grace & Co.-Conn | Liquid additive for intergrinding cement |
| ATE354553T1 (de) * | 2004-03-23 | 2007-03-15 | Gruppo Chimico Dalton S P A | Verfahren zur herstellung von chromatreduziertem zement |
| DE602004029690D1 (de) * | 2004-11-25 | 2010-12-02 | Mapei Spa | Zusatzmittel zur Herstellung von chromatfreiem Zement |
| GB2426514A (en) * | 2005-05-24 | 2006-11-29 | William Blythe Ltd | Chromium VI reduced cements |
| US20070034118A1 (en) * | 2005-08-12 | 2007-02-15 | Jardine Leslie A | Dosage efficient, storage stable compositions for reducing chromium (VI) in cement |
| DE102005044941A1 (de) * | 2005-09-20 | 2007-03-22 | Eric Blauenstein | Verfahren und Mittel zur reduktiven Chromatentgiftung von Zementzubereitungen |
| US7435518B2 (en) * | 2005-10-03 | 2008-10-14 | Xerox Corporation | Method of treating an electrophotographic-imaging member with a rare earth material |
| US7296626B2 (en) * | 2005-11-08 | 2007-11-20 | Halliburton Energy Services, Inc. | Liquid additive for reducing water-soluble chromate |
| ITMI20120764A1 (it) | 2012-05-07 | 2013-11-08 | Mapei Spa | Additivo per cemento portland costituito da un riducente incapsulato in una matrice polimerica |
| CN113087428B (zh) * | 2021-03-26 | 2022-06-07 | 唐山冀东水泥外加剂有限责任公司 | 一种降铬剂及其制备方法和水泥 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE224840C (da) * | 1909-05-11 | 1910-07-29 | ||
| US1865021A (en) * | 1929-11-08 | 1932-06-28 | Yosemite Portland Cement Corp | Cement and process of making |
| IS1443B6 (is) * | 1980-12-17 | 1990-12-14 | Aalborg Portland A/S | thurr sementsblanda |
| US4584691A (en) * | 1983-08-15 | 1986-04-22 | Herr Ernest A | Timed pulse communication system |
-
1990
- 1990-04-11 DK DK093690A patent/DK93690D0/da not_active Application Discontinuation
-
1991
- 1991-04-10 WO PCT/DK1991/000098 patent/WO1991015435A1/en active IP Right Grant
- 1991-04-10 US US07/938,046 patent/US5362321A/en not_active Expired - Lifetime
- 1991-04-10 EP EP91907474A patent/EP0524999B1/en not_active Expired - Lifetime
- 1991-04-10 AT AT91907474T patent/ATE139987T1/de not_active IP Right Cessation
- 1991-04-10 CA CA002080379A patent/CA2080379A1/en not_active Abandoned
- 1991-04-10 DK DK91907474.0T patent/DK0524999T3/da active
- 1991-04-10 AU AU76710/91A patent/AU647118B2/en not_active Ceased
- 1991-04-10 DE DE69120672T patent/DE69120672T2/de not_active Expired - Fee Related
- 1991-04-11 IS IS3689A patent/IS1722B/is unknown
- 1991-04-11 IE IE122291A patent/IE76464B1/en not_active IP Right Cessation
-
1992
- 1992-10-09 NO NO923937A patent/NO309977B1/no not_active IP Right Cessation
- 1992-10-09 FI FI924585A patent/FI103504B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| ATE139987T1 (de) | 1996-07-15 |
| DE69120672D1 (de) | 1996-08-08 |
| AU647118B2 (en) | 1994-03-17 |
| FI924585A (fi) | 1992-10-09 |
| NO923937D0 (no) | 1992-10-09 |
| IE911222A1 (en) | 1991-10-23 |
| AU7671091A (en) | 1991-10-30 |
| DE69120672T2 (de) | 1997-03-06 |
| US5362321A (en) | 1994-11-08 |
| IS3689A7 (is) | 1991-10-12 |
| NO923937L (no) | 1992-10-09 |
| WO1991015435A1 (en) | 1991-10-17 |
| FI103504B1 (fi) | 1999-07-15 |
| EP0524999A1 (en) | 1993-02-03 |
| IE76464B1 (en) | 1997-10-22 |
| CA2080379A1 (en) | 1991-10-12 |
| IS1722B (is) | 1999-07-26 |
| NO309977B1 (no) | 2001-04-30 |
| EP0524999B1 (en) | 1996-07-03 |
| FI924585A0 (fi) | 1992-10-09 |
| DK93690D0 (da) | 1990-04-11 |
| FI103504B (fi) | 1999-07-15 |
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