CA2294429C - Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates - Google Patents

Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates Download PDF

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Publication number
CA2294429C
CA2294429C CA002294429A CA2294429A CA2294429C CA 2294429 C CA2294429 C CA 2294429C CA 002294429 A CA002294429 A CA 002294429A CA 2294429 A CA2294429 A CA 2294429A CA 2294429 C CA2294429 C CA 2294429C
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CA
Canada
Prior art keywords
clay
cation
superplasticizer
agent
water
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.)
Expired - Lifetime
Application number
CA002294429A
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English (en)
French (fr)
Other versions
CA2294429A1 (en
Inventor
Leslie A. Jardine
Hideo Koyata
Kevin J. Folliard
Chia-Chih Ou
Felek Jachimowicz
Byong-Wa Chun
Ara A. Jeknavorian
Christon L. Hill
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.)
GCP Applied Technologies Inc
Original Assignee
WR Grace and Co Conn
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 WR Grace and Co Conn filed Critical WR Grace and Co Conn
Publication of CA2294429A1 publication Critical patent/CA2294429A1/en
Application granted granted Critical
Publication of CA2294429C publication Critical patent/CA2294429C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
    • 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
    • C04B24/42—Organo-silicon compounds
    • C04B24/425—Organo-modified inorganic compounds, e.g. organo-clays
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • C04B14/104—Bentonite, e.g. montmorillonite
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • C04B14/106—Kaolin
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Civil Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Colloid Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
CA002294429A 1997-06-25 1998-06-19 Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates Expired - Lifetime CA2294429C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5069797P 1997-06-25 1997-06-25
US60/050,697 1997-06-25
PCT/US1998/012876 WO1998058887A1 (en) 1997-06-25 1998-06-19 Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates

Publications (2)

Publication Number Publication Date
CA2294429A1 CA2294429A1 (en) 1998-12-30
CA2294429C true CA2294429C (en) 2003-12-09

Family

ID=21966840

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002294429A Expired - Lifetime CA2294429C (en) 1997-06-25 1998-06-19 Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates

Country Status (15)

Country Link
US (2) US6352952B1 (https=)
EP (2) EP1015398B1 (https=)
JP (1) JP4491078B2 (https=)
KR (1) KR100562920B1 (https=)
CN (2) CN1098822C (https=)
AU (1) AU731822B2 (https=)
BR (1) BR9810323A (https=)
CA (1) CA2294429C (https=)
DE (1) DE69841672D1 (https=)
ES (1) ES2344490T3 (https=)
NZ (1) NZ502141A (https=)
RU (1) RU2187479C2 (https=)
TR (1) TR199903254T2 (https=)
TW (1) TW387868B (https=)
WO (1) WO1998058887A1 (https=)

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* Cited by examiner, † Cited by third party
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DE69841672D1 (de) 2010-07-01
CN1098822C (zh) 2003-01-15
US6670415B2 (en) 2003-12-30
ES2344490T3 (es) 2010-08-27
AU7982598A (en) 1999-01-04
WO1998058887A1 (en) 1998-12-30
BR9810323A (pt) 2000-09-05
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US20020121229A1 (en) 2002-09-05
KR20010014236A (ko) 2001-02-26
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CN1268101A (zh) 2000-09-27
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