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BR112012021047A2 - composicao de acelerador de endurecimento contendo dispersantes - Google Patents

composicao de acelerador de endurecimento contendo dispersantes

Info

Publication number
BR112012021047A2
BR112012021047A2 BR112012021047A BR112012021047A BR112012021047A2 BR 112012021047 A2 BR112012021047 A2 BR 112012021047A2 BR 112012021047 A BR112012021047 A BR 112012021047A BR 112012021047 A BR112012021047 A BR 112012021047A BR 112012021047 A2 BR112012021047 A2 BR 112012021047A2
Authority
BR
Brazil
Prior art keywords
hardening accelerator
accelerator composition
composition containing
water
containing dispersants
Prior art date
Application number
BR112012021047A
Other languages
English (en)
Inventor
Gerhard Albrecht
Luc Nicoleau
Original Assignee
Res & Tecnhonology Gmbh Const
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 Res & Tecnhonology Gmbh Const filed Critical Res & Tecnhonology Gmbh Const
Publication of BR112012021047A2 publication Critical patent/BR112012021047A2/pt

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
    • C04B24/24—Macromolecular compounds
    • C04B24/243—Phosphorus-containing polymers
    • 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
    • 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
    • C04B40/0042—Powdery mixtures
    • 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
    • C04B2103/10—Accelerators; Activators
    • C04B2103/14—Hardening accelerators
    • 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
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Polyethers (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)

Abstract

composição de acelerador de endurecimento contendo dispersnates. a presente invenção refere-se a um processo para a preparação de uma composição de acelerador de edurecimento mediante reação de um composto de cálcio solúvel em água com um composto de silicato solúvel em água, a reação sendo efetuada na presença de um dispersante solúvel em água que compreende pelo menos uma unidade estrutural de polialquilenoglicol com um grupo funcional capaz de integarir como grupo-âncora com a superfície de partículas de cimento, à composição de acelerador de endurecimento e a se uso.
BR112012021047A 2010-02-25 2011-02-25 composicao de acelerador de endurecimento contendo dispersantes BR112012021047A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10154728 2010-02-25
PCT/EP2011/052822 WO2011104347A1 (en) 2010-02-25 2011-02-25 Hardening accelerator composition containing dispersants

Publications (1)

Publication Number Publication Date
BR112012021047A2 true BR112012021047A2 (pt) 2016-05-03

Family

ID=44169048

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012021047A BR112012021047A2 (pt) 2010-02-25 2011-02-25 composicao de acelerador de endurecimento contendo dispersantes

Country Status (9)

Country Link
US (2) US9567262B2 (pt)
EP (1) EP2539298B1 (pt)
JP (1) JP5871821B2 (pt)
CN (1) CN102770390B (pt)
AU (1) AU2011219771B2 (pt)
BR (1) BR112012021047A2 (pt)
ES (1) ES2743684T3 (pt)
WO (1) WO2011104347A1 (pt)
ZA (1) ZA201207067B (pt)

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EP2539298A1 (en) 2013-01-02
CN102770390A (zh) 2012-11-07
ZA201207067B (en) 2014-06-25
US20170107148A1 (en) 2017-04-20
ES2743684T3 (es) 2020-02-20
JP2013520390A (ja) 2013-06-06
US9567262B2 (en) 2017-02-14
JP5871821B2 (ja) 2016-03-01
WO2011104347A1 (en) 2011-09-01
AU2011219771A1 (en) 2012-09-13
AU2011219771B2 (en) 2014-06-26
EP2539298B1 (en) 2019-06-19
CN102770390B (zh) 2016-02-10

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