WO2006043265A3 - Retardation of hydration of cementitous slurry - Google Patents

Retardation of hydration of cementitous slurry Download PDF

Info

Publication number
WO2006043265A3
WO2006043265A3 PCT/IL2005/001071 IL2005001071W WO2006043265A3 WO 2006043265 A3 WO2006043265 A3 WO 2006043265A3 IL 2005001071 W IL2005001071 W IL 2005001071W WO 2006043265 A3 WO2006043265 A3 WO 2006043265A3
Authority
WO
WIPO (PCT)
Prior art keywords
hydration
retardation
slurry
hydration reaction
cementitous
Prior art date
Application number
PCT/IL2005/001071
Other languages
French (fr)
Other versions
WO2006043265A2 (en
Inventor
Doron Peles
Reuven Irland
Original Assignee
Irland Peles Ltd
Doron Peles
Reuven Irland
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 Irland Peles Ltd, Doron Peles, Reuven Irland filed Critical Irland Peles Ltd
Publication of WO2006043265A2 publication Critical patent/WO2006043265A2/en
Publication of WO2006043265A3 publication Critical patent/WO2006043265A3/en

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
    • 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
    • C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
    • 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
    • C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0658—Retarder inhibited mortars activated by the addition of accelerators or retarder-neutralising 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/20—Retarders
    • C04B2103/22—Set retarders

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A method for retarding hydration reaction in a cementitous aquous slurry, in which hydration reaction has not commenced yet, the method comprising: mixing into the aquous slurry acrylic polymer base material, thereby substantially retarding commencement of hydration reaction in the solution.
PCT/IL2005/001071 2004-10-21 2005-10-10 Retardation of hydration of cementitous slurry WO2006043265A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL16474804A IL164748A0 (en) 2004-10-21 2004-10-21 Retardation of hydration of cmentitous slurry
IL164748 2004-10-21

Publications (2)

Publication Number Publication Date
WO2006043265A2 WO2006043265A2 (en) 2006-04-27
WO2006043265A3 true WO2006043265A3 (en) 2006-05-26

Family

ID=36203338

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2005/001071 WO2006043265A2 (en) 2004-10-21 2005-10-10 Retardation of hydration of cementitous slurry

Country Status (2)

Country Link
IL (1) IL164748A0 (en)
WO (1) WO2006043265A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007060455A1 (en) * 2007-12-12 2009-06-18 Deutsche Amphibolin-Werke Von Robert Murjahn Stiftung & Co. Kg Device for mixing construction material
IT201700107064A1 (en) * 2017-09-25 2019-03-25 Mapei Spa ACCELERATING ADDITIVE FOR HYDRAULIC COMPOSITIONS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157264A (en) * 1976-09-15 1979-06-05 Imperial Chemical Industries Limited Calcium sulphate hemihydrate plaster
US5421881A (en) * 1993-07-02 1995-06-06 Halliburton Company Cement set retarding additives, compositions and methods
US5421879A (en) * 1993-01-14 1995-06-06 Halliburton Company Cement set retarding additives, compositions and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157264A (en) * 1976-09-15 1979-06-05 Imperial Chemical Industries Limited Calcium sulphate hemihydrate plaster
US5421879A (en) * 1993-01-14 1995-06-06 Halliburton Company Cement set retarding additives, compositions and methods
US5421881A (en) * 1993-07-02 1995-06-06 Halliburton Company Cement set retarding additives, compositions and methods

Also Published As

Publication number Publication date
IL164748A0 (en) 2005-12-18
WO2006043265A2 (en) 2006-04-27

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