AU8352898A - Method for preparing chromate-free inorganic binding agents - Google Patents

Method for preparing chromate-free inorganic binding agents

Info

Publication number
AU8352898A
AU8352898A AU83528/98A AU8352898A AU8352898A AU 8352898 A AU8352898 A AU 8352898A AU 83528/98 A AU83528/98 A AU 83528/98A AU 8352898 A AU8352898 A AU 8352898A AU 8352898 A AU8352898 A AU 8352898A
Authority
AU
Australia
Prior art keywords
binding agents
inorganic binding
free inorganic
chromate
preparing
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.)
Abandoned
Application number
AU83528/98A
Inventor
Manfred Akstinat
Willi Suter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Holcim Ltd
Original Assignee
Holderbank Financiere Glarus AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Holderbank Financiere Glarus AG filed Critical Holderbank Financiere Glarus AG
Publication of AU8352898A publication Critical patent/AU8352898A/en
Abandoned legal-status Critical Current

Links

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
    • C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
    • 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
    • C04B24/06—Carboxylic acids; Salts, anhydrides or esters thereof containing hydroxy groups
    • 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
    • C04B2103/0013—Iron group metal compounds
    • C04B2103/0014—Fe
    • 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
    • C04B2103/0024—Compounds of elements having a valency of 6
    • 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
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0096—Reducing agents
    • 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)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention relates to a method for preparing chromate-free inorganic binding agents or inorganic binding agents with a reduced Cr(VI) content, according to which metallo-organic compounds or organo-metallic complexes with reducing properties are added to said inorganic binding agents.
AU83528/98A 1998-07-29 1998-07-29 Method for preparing chromate-free inorganic binding agents Abandoned AU8352898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1998/001159 WO2000006517A1 (en) 1998-07-29 1998-07-29 Method for preparing chromate-free inorganic binding agents

Publications (1)

Publication Number Publication Date
AU8352898A true AU8352898A (en) 2000-02-21

Family

ID=11004734

Family Applications (1)

Application Number Title Priority Date Filing Date
AU83528/98A Abandoned AU8352898A (en) 1998-07-29 1998-07-29 Method for preparing chromate-free inorganic binding agents

Country Status (5)

Country Link
EP (1) EP1100758B1 (en)
AT (1) ATE256087T1 (en)
AU (1) AU8352898A (en)
DE (1) DE59810424D1 (en)
WO (1) WO2000006517A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10157129C2 (en) * 2001-11-21 2003-10-30 Ferro Duo Gmbh Process for the production of a hydraulic binder
DE10335363B3 (en) * 2003-08-01 2005-04-07 Dr. Paul Lohmann Gmbh Kg Use of a solution and process for the preparation of an agent for reducing chromium content in a cement compound and composition produced therefrom
FR2858612B1 (en) * 2003-08-08 2006-02-24 Chryso Sas AQUEOUS COLLOIDAL SUSPENSION OF TIN HYDROXIDE FOR REDUCTION OF CHROMIUM IN CEMENT
US6872247B1 (en) 2003-10-07 2005-03-29 W. R. Grace & Co.-Conn. Amine-based, hexavalent chromium reducing agents for cement
ATE485248T1 (en) * 2004-11-25 2010-11-15 Mapei Spa ADDITIVES FOR THE PRODUCTION OF CHROMATE-FREE CEMENT
US20070034118A1 (en) * 2005-08-12 2007-02-15 Jardine Leslie A Dosage efficient, storage stable compositions for reducing chromium (VI) in cement
EP2231550B1 (en) * 2007-12-05 2012-05-23 W. R. Grace & Co.-Conn Chromium-reducing transition metal carbonyls

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD246983A1 (en) * 1986-02-03 1987-06-24 Zementind Rationalisierung PROCESS FOR THE PREPARATION OF CHROMATAR CEMENT
DE4321077A1 (en) * 1993-06-24 1995-01-05 Dyckerhoff Ag Process for the depression of the allergy-causing effect of water-soluble Cr · V ·· I · in cements and / or preparations containing cement
IT1274718B (en) * 1994-08-19 1997-07-24 Italcementi Spa CHROME FREE CEMENTS AND A PROCEDURE FOR THEIR PREPARATION
US5562588A (en) * 1994-12-30 1996-10-08 Maxus Energy Corporation Process for the in situ bioremediation of Cr(VI)-bearing solids

Also Published As

Publication number Publication date
DE59810424D1 (en) 2004-01-22
WO2000006517A1 (en) 2000-02-10
EP1100758B1 (en) 2003-12-10
ATE256087T1 (en) 2003-12-15
EP1100758A1 (en) 2001-05-23

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase