CO2020015221A2 - Aditivo mejorado para hormigón - Google Patents

Aditivo mejorado para hormigón

Info

Publication number
CO2020015221A2
CO2020015221A2 CONC2020/0015221A CO2020015221A CO2020015221A2 CO 2020015221 A2 CO2020015221 A2 CO 2020015221A2 CO 2020015221 A CO2020015221 A CO 2020015221A CO 2020015221 A2 CO2020015221 A2 CO 2020015221A2
Authority
CO
Colombia
Prior art keywords
weight
concrete
composition
admixture
air entrained
Prior art date
Application number
CONC2020/0015221A
Other languages
English (en)
Inventor
Ana Jimenez
Original Assignee
Sika Tech 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 Sika Tech Ag filed Critical Sika Tech Ag
Publication of CO2020015221A2 publication Critical patent/CO2020015221A2/es

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
    • 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
    • C04B14/06—Quartz; Sand
    • C04B14/066—Precipitated or pyrogenic silica
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C04B2103/50—Defoamers, air detrainers
    • 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
    • C04B2111/00008—Obtaining or using nanotechnology related materials

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)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La presente invención se refiere a una composición acuosa antiespumada que comprende - 5 a 75 % en peso de al menos un polímero aniónico, - 0,05 a 5 % en peso de al menos un antiespumante líquido insoluble en agua y- 0,005 a 3 % en peso de al menos un polisacárido, según el 100 % en peso de la composición. La composición proporciona un contenido predecible de aire en mortero y hormigón con aire incorporado y sin aire incorporado.
CONC2020/0015221A 2018-07-17 2020-12-03 Aditivo mejorado para hormigón CO2020015221A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18184042 2018-07-17
PCT/EP2019/068491 WO2020016072A1 (en) 2018-07-17 2019-07-10 Improved concrete admixture

Publications (1)

Publication Number Publication Date
CO2020015221A2 true CO2020015221A2 (es) 2020-12-21

Family

ID=63012832

Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2020/0015221A CO2020015221A2 (es) 2018-07-17 2020-12-03 Aditivo mejorado para hormigón

Country Status (8)

Country Link
US (1) US20210300823A1 (es)
EP (1) EP3823941A1 (es)
JP (1) JP7489328B2 (es)
CN (1) CN112218839B (es)
AU (1) AU2019303905A1 (es)
BR (1) BR112020023632A2 (es)
CO (1) CO2020015221A2 (es)
WO (1) WO2020016072A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112020023632A2 (pt) * 2018-07-17 2021-02-17 Sika Technology Ag mistura de concreto aprimorada
EP4079700A1 (en) 2021-04-23 2022-10-26 Sika Technology AG Aqueous admixture for inorganic binder composition
CN115448636A (zh) * 2022-09-30 2022-12-09 交通运输部公路科学研究所 一种长时效缓凝剂及其制备方法和应用

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69610650T2 (de) * 1995-01-31 2001-05-03 Mbt Holding Ag Zuerich Zementdispergiermittel
BR9806913A (pt) * 1997-01-21 2000-04-18 Grace W R & Co Composição emulsificada de polìmetro tipo pente e agente antiespumante e processo de produção da mesma.
AU2005801A (en) 1999-12-10 2001-06-18 Construction Research & Technology Gmbh Solubilized defoamers for cementitious compositions
US6875801B2 (en) 1999-12-10 2005-04-05 Construction Research & Technology Gmbh Solubilized defoamers for cementitious compositions
EP1138696A1 (en) 2000-03-29 2001-10-04 Sika AG, vorm. Kaspar Winkler & Co. Polymers for cement dispersing admixtures
GB2378946A (en) * 2001-08-24 2003-02-26 Rmc Group Plc Preparation of an admixture for cementitious compositions
JP2004083339A (ja) * 2002-08-27 2004-03-18 Daiichi Kasei Sangyo Kk 気泡モルタル用粉末起泡剤
US8344084B2 (en) * 2005-06-14 2013-01-01 Basf Construction Polymers Gmbh Liquid admixture composition
ES2743684T3 (es) * 2010-02-25 2020-02-20 Construction Research & Technology Gmbh Composición aceleradora de endurecimiento que contiene dispersantes
ES2426730T3 (es) 2011-05-10 2013-10-24 Sika Technology Ag Polímero de ácido maleico, éteres alílicos y compuestos de ácido (met)acrílico, su preparación y su utilización
MX2011007071A (es) * 2011-06-30 2013-01-18 Jaime Grau Genesias Aditivo para la elaboracion de concretos permeables con propiedades mejoradas y metodo para su preparacion.
EP2628395A1 (en) * 2012-02-14 2013-08-21 Unilever N.V. Aerated composition comprising ethylcellulose particles and cationic polymer
CN104661980B (zh) 2012-04-20 2018-03-30 Gcp应用技术有限公司 用于胶结组合物的稳定化的消泡剂
ES2777302T3 (es) 2014-03-27 2020-08-04 Sika Tech Ag Copolímero de bloque
JP6428500B2 (ja) * 2014-07-10 2018-11-28 信越化学工業株式会社 一剤型減水剤用増粘剤、一剤型減水剤及びこれを含む水硬性組成物の製造方法
BR112018005624B1 (pt) 2015-09-24 2022-12-20 Sika Technology Ag Copolímero, processo para a preparação de um copolímero, uso de um copolímero, composição de ligante mineral e corpo moldado
BR112020023632A2 (pt) * 2018-07-17 2021-02-17 Sika Technology Ag mistura de concreto aprimorada

Also Published As

Publication number Publication date
CN112218839A (zh) 2021-01-12
EP3823941A1 (en) 2021-05-26
AU2019303905A1 (en) 2020-11-19
WO2020016072A1 (en) 2020-01-23
US20210300823A1 (en) 2021-09-30
JP2021529714A (ja) 2021-11-04
CN112218839B (zh) 2023-06-06
BR112020023632A2 (pt) 2021-02-17
JP7489328B2 (ja) 2024-05-23

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