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WO2003018505A3 - Admixture for cementitious compositions and process for preparation thereof - Google Patents

Admixture for cementitious compositions and process for preparation thereof Download PDF

Info

Publication number
WO2003018505A3
WO2003018505A3 PCT/GB2002/003926 GB0203926W WO03018505A3 WO 2003018505 A3 WO2003018505 A3 WO 2003018505A3 GB 0203926 W GB0203926 W GB 0203926W WO 03018505 A3 WO03018505 A3 WO 03018505A3
Authority
WO
WIPO (PCT)
Prior art keywords
admixture
preparation
cementitious compositions
plasticiser
mixture
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.)
Ceased
Application number
PCT/GB2002/003926
Other languages
French (fr)
Other versions
WO2003018505A2 (en
Inventor
Paul Griffin
Ian Gibb
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.)
RMC GROUP PLC
Original Assignee
RMC GROUP PLC
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 RMC GROUP PLC filed Critical RMC GROUP PLC
Priority to AU2002326017A priority Critical patent/AU2002326017A1/en
Priority to EP02760398A priority patent/EP1419121A2/en
Publication of WO2003018505A2 publication Critical patent/WO2003018505A2/en
Publication of WO2003018505A3 publication Critical patent/WO2003018505A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • 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
    • 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
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00103—Self-compacting mixtures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A process for the preparation of an admixture for a cementitious composition, said admixture comprising water, at least one viscosity modifying agent, and at least one plasticiser, the process comprising the steps of: (i) providing a pre-mixture comprising water, viscosity modifying agent, and a first portion of plasticiser, (ii) mixing the pre-mixture from step (i) with a second portion of plasticiser.
PCT/GB2002/003926 2001-08-24 2002-08-27 Admixture for cementitious compositions and process for preparation thereof Ceased WO2003018505A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002326017A AU2002326017A1 (en) 2001-08-24 2002-08-27 Admixture for cementitious compositions and process for preparation thereof
EP02760398A EP1419121A2 (en) 2001-08-24 2002-08-27 Admixture for cementitious compositions and process for preparation thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0120699A GB2378946A (en) 2001-08-24 2001-08-24 Preparation of an admixture for cementitious compositions
GB0120699.4 2001-08-24

Publications (2)

Publication Number Publication Date
WO2003018505A2 WO2003018505A2 (en) 2003-03-06
WO2003018505A3 true WO2003018505A3 (en) 2003-10-16

Family

ID=9920991

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/003926 Ceased WO2003018505A2 (en) 2001-08-24 2002-08-27 Admixture for cementitious compositions and process for preparation thereof

Country Status (4)

Country Link
EP (1) EP1419121A2 (en)
AU (1) AU2002326017A1 (en)
GB (1) GB2378946A (en)
WO (1) WO2003018505A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6800129B2 (en) 2003-01-30 2004-10-05 W. R. Grace & Co.-Conn. High solids pumpable cement additives
SE524924C2 (en) * 2003-03-10 2004-10-26 Johnny Johansson Ways to make construction lightweight ballast concrete
CN100503501C (en) * 2003-09-15 2009-06-24 香港理工大学 Self-compacting concrete and manufacturing method thereof
WO2009024105A1 (en) * 2007-08-23 2009-02-26 Christoph Maier Additive compound for building materials with mineral basis
RU2608830C1 (en) * 2015-11-02 2017-01-25 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" Method of preparing concrete mixture
WO2020016072A1 (en) * 2018-07-17 2020-01-23 Sika Technology Ag Improved concrete admixture
WO2025018945A1 (en) * 2023-07-19 2025-01-23 Nanyang Technological University Strain hardening cementitious composites for rigid pavement rehabilitation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999044966A1 (en) * 1998-03-05 1999-09-10 Westinghouse Savannah River Company Admixture for zero-bleed mixtures, grouts, and cements
WO2000006516A1 (en) * 1998-07-29 2000-02-10 Holderbank Financiere Glarus Ag Method for preparing a liquid additive for binding agent suspensions on the basis of water-soluble welan gum
US6106603A (en) * 1995-06-07 2000-08-22 Pharmacia Corporation Stable suspension of hydrocolloids and superplasticizer
WO2000050362A1 (en) * 1999-02-22 2000-08-31 Keele University Cementitious compositions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020087B1 (en) * 1970-04-17 1975-07-11
IT1045175B (en) * 1975-06-13 1980-05-10 Ikede Anstalt ADDITIVE FOR MIXTURES OF INORGANIC BINDERS SUCH AS CONCRETE AND SIMILAR MORTAR PASTE AND METHOD FOR PREPARING MIXTURES CONTAINING THAT ADDITIVE
AU5592986A (en) * 1985-04-24 1986-10-30 Dow Chemical Company, The Fluid concrete mixture with polymeric dewatering and anti-agglomeration agents
DE3528324A1 (en) * 1985-08-07 1987-02-19 Hoerling Ludwig Chem Process for producing air-hardening mortar systems and hydraulic mortar systems
FR2602224A1 (en) * 1986-08-01 1988-02-05 Iso Distr Produits Speciaux Ba Chemical complex for accentuating the colour intensity of coloured concretes and mortars
US5091014A (en) * 1988-05-25 1992-02-25 Nissei Plan, Inc. Strengthened cellular concrete compositions and method of making
JPH04149049A (en) * 1990-10-09 1992-05-22 Kao Corp Self-filling cement admixture
US5180430A (en) * 1991-10-16 1993-01-19 W.R. Grace & Co.-Conn. Concrete surface air void reduction admixture
DE69310753T2 (en) * 1992-09-01 1997-08-28 Grace W R & Co ADDITIVES FOR HYDRAULIC CEMENT TO REDUCE UNWANTED CAVITIES AND METHOD FOR USE THEREOF
US5403394A (en) * 1994-02-24 1995-04-04 Burgand; Yves Self-leveling floor coating material
JPH08109053A (en) * 1994-10-06 1996-04-30 N M B:Kk Cement additive for slip foam method of construction
GB2294687B (en) * 1994-11-01 1997-08-13 Sandoz Ltd Concrete curing admixtures
US5622558A (en) * 1995-09-18 1997-04-22 W.R. Grace & Co.-Conn Drying shrinkage cement admixture
FR2746095B1 (en) * 1996-03-15 1998-05-22 AQUEOUS SILICA SUSPENSIONS AND THEIR APPLICATIONS IN MINERAL BINDER COMPOSITIONS
US6185891B1 (en) * 1999-07-07 2001-02-13 R-40 Homes, Inc. Hurricane resistant foam-concrete structural composite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106603A (en) * 1995-06-07 2000-08-22 Pharmacia Corporation Stable suspension of hydrocolloids and superplasticizer
US6117226A (en) * 1995-06-07 2000-09-12 Pharmacia Corporation Stable suspension of hydrocolloids
WO1999044966A1 (en) * 1998-03-05 1999-09-10 Westinghouse Savannah River Company Admixture for zero-bleed mixtures, grouts, and cements
WO2000006516A1 (en) * 1998-07-29 2000-02-10 Holderbank Financiere Glarus Ag Method for preparing a liquid additive for binding agent suspensions on the basis of water-soluble welan gum
WO2000050362A1 (en) * 1999-02-22 2000-08-31 Keele University Cementitious compositions

Also Published As

Publication number Publication date
GB0120699D0 (en) 2001-10-17
GB2378946A (en) 2003-02-26
WO2003018505A2 (en) 2003-03-06
EP1419121A2 (en) 2004-05-19
AU2002326017A1 (en) 2003-03-10

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