EP1966104A1 - Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique - Google Patents

Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique

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Publication number
EP1966104A1
EP1966104A1 EP06819934A EP06819934A EP1966104A1 EP 1966104 A1 EP1966104 A1 EP 1966104A1 EP 06819934 A EP06819934 A EP 06819934A EP 06819934 A EP06819934 A EP 06819934A EP 1966104 A1 EP1966104 A1 EP 1966104A1
Authority
EP
European Patent Office
Prior art keywords
composition
composition according
formula
polyalkylene glycol
weight
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.)
Withdrawn
Application number
EP06819934A
Other languages
German (de)
English (en)
Inventor
Franz Wombacher
Urs Mäder
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.)
Sika Technology AG
Original Assignee
Sika Technology 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 Technology AG filed Critical Sika Technology AG
Priority to EP06819934A priority Critical patent/EP1966104A1/fr
Publication of EP1966104A1 publication Critical patent/EP1966104A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction

Definitions

  • the invention relates to the field of concrete technology.
  • the invention relates to a composition comprising at least one plasticizer for a hydraulically setting composition and at least one polyalkylene glycol, and their use to improve the processability, preferably to extend the processing time, of hydraulically setting compositions.
  • Concrete is made from cement, from concrete aggregates such as Gravel or sand, and out of water. Cement is known to be very sensitive to
  • cement is also used
  • the cement is combined with water, rock and other additives in one
  • Additives should improve the properties of the concrete in chemical and / or physical terms.
  • the additives can influence the flow properties, the viscosity, the compaction behavior and the setting behavior of the concrete.
  • the use of so-called concrete plasticizers has been known for a long time.
  • This concrete plasticizer is added to the cement as an additive or added to the cement before grinding, and leads to a strong liquefaction or reduction of the water requirement, the concrete or mortar made from it.
  • No. 5,556,460 describes a cement admixture for use as a shrinkage reducer, the admixture comprising at least one oxyalkylene glycol and at least one comb polymer, the proportion by weight of the oxyalkylene glycol being at least 50%.
  • EP 1 149 808 A2 describes a cement admixture for use as a plasticizer, the admixture comprising a polyalkylene glycol A and a copolymer B, the weight ratio of A / B being 0.02 to 0.3 and the average molecular weight X of the polyalkylene glycol A and the average molecular weight Y a polyalkylene glycol side chain unit of the copolymer B satisfies the equation 0.9 ⁇ (X / Y) ⁇ 1.1. It is only in these areas that the additive exhibits satisfactory flow behavior and shrinkage reduction.
  • a composition according to claim 1 containing at least one substituted or unsubstituted polyalkylene glycol according to formula (I) and at least one plasticizer for a hydraulically setting composition containing at least one polymer A according to formula (II) is excellently suited to the processing time of extend hydraulic setting compositions and improve the flow behavior.
  • the disadvantages of the known retarders can be eliminated and the setting time is not prolonged, and that the advantageous effects of the polymer A can still be improved.
  • the composition according to the invention can therefore be used instead of a conventional retarder and thus acts simultaneously as a liquefier and as a means of extending the processing time.
  • the present invention relates to a composition and its use to extend the processing time.
  • the composition according to the invention comprises or consists of at least one substituted or unsubstituted polyalkylene glycol of the formula (I), and at least one plasticizer for a hydraulically setting composition comprising or consisting of at least one polymer A of the formula (II).
  • R 11 H or C1 to C20 alkyl
  • R 12 C2 to C4 alkylene
  • R 13 C2 to C4 alkylene
  • R 14 H or C1 to C20 alkyl
  • R 12 R 13 .
  • R 12 and R 13 can also be different from one another and can be present as block copolymers or can be arranged randomly.
  • Polyalkylene glycol of the formula (I) is a polyethylene glycol (PEG), methoxypolyethylene glycol (MPEG) or a polypropylene glycol (PPG).
  • PEG Polyethylene glycol
  • Methoxypolyethylene glycol (MPEG).
  • Mixtures of two or more polyalkylene glycols of the formula (I) are also suitable, in particular mixtures of polyethylene glycol (PEG) and methoxypolyethylene glycol (MPEG), or mixtures of polyethylene glycols (PEGs) with different molecular weights M w or mixtures of methoxypolyethylene glycols (MPEGs) with different ones Molecular weight M w
  • the molecular weight M w of the polyalkylene glycol is typically 2,000 to 20,000 g / mol, preferably 3,000 to 10,000 g / mol, particularly preferably 4,000 to 6,000 g / mol.
  • the polyalkylene glycol is particularly preferred a molecular weight of 4'000 to 6'000 g / mol, in particular the polyethylene glycol (PEG) or the methoxypolyethylene glycol (MPEG) with a molecular weight of 4'000 to 6'000 g / mol.
  • Particularly good results are achieved with a polyalkylene glycol with a molecular weight of 50,000 to 6000 g / mol.
  • the values for x + y are preferably between 40 and 150, more preferably between 50 and 100.
  • molecular weight or “molecular weight” means the molecular weight average M w .
  • Suitable liquefiers are those which are suitable for liquefying a hydraulically setting composition or theirs
  • Invention also a super liquefier, which is often referred to as an eluent.
  • the liquefier of the present invention contains or consists of at least one polycarboxylate ether (PCE).
  • PCE polycarboxylate ether
  • the liquefier preferably contains or consists of at least one polymer A of the formula (II).
  • M independently of one another represent H + , alkali metal ion, alkaline earth metal ion, divalent or trivalent metal ion, ammonium ion or organic ammonium group.
  • the term “independently of one another” means here and below in each case that a substituent has different available meanings in the same molecule can.
  • carboxylic acid groups and sodium carboxylate groups can have at the same time, which means that in this case R + is independently H + and Na + . It is clear to the person skilled in the art that, on the one hand, it is a carboxylate to which the ion M is bound, and on the other hand, in the case of multivalent ions M, the charge must be balanced by counterions.
  • substituents R independently of one another are hydrogen or methyl.
  • polymer A is a substituted poly (acrylate), poly (methacrylate) or a poly ((meth) acrylate).
  • substituents R 1 and R 2 independently of one another represent Cr to C 2 o-alkyl, cycloalkyl, alkylaryl or - [AO] n -R 4.
  • A represents a C 2 - to C 4 -alkylene group and R 4 represents a Cr to C 20 alkyl, cyclohexyl or alkylaryl group, while n represents a value from 2 to 250, in particular from 8 to 200, particularly preferably from 11 to 150, even more preferably from 15 to 80.
  • the substituents R 1 and R 2 in particular the substituent R 1 , preferably represent the radical - [AO] n -R 4 , ie a polyalkylene glycol radical, where A is a C 2 - and / or C 3 -alkylene group and AO thus an ethylene oxide (EO) - and / or propylene oxide (PO) unit.
  • EO ethylene oxide
  • PO propylene oxide
  • the order of the ethylene oxide (EO), propylene oxide (PO) and at most the butylene oxide (BuO) units in polymer A can be distributed in blocks and / or statistically.
  • n is preferably chosen such that the molecular weight for R 1 and R 2 is not substantially higher than 3000 g / mol, preferably M w is between 1000 and 3000 g / mol.
  • n is preferably 15 to 80, more preferably 20 to 70.
  • R 3 further represents -NH 2 , -NR 5 R 6 , or -OR 7 NR 8 R 9.
  • R 5 and R 6 independently of one another represent H or a Cr to C 20 -alkyl-, cycloalkyl - or alkylaryl or aryl group or one
  • R 5 and R 6 together form a ring, of which the nitrogen of the -NR 5 R 6 is a part, around a morpholine or
  • R 9 independently of one another is a C r to C 20 alkyl, cycloalkyl, alkylaryl,
  • Aryl or a hydroxyalkyl group and R 7 is a linear or branched C 2 -C 4 - Alkylene group, in particular isomers of C 2 -C 4 alkylenes, preferably an ethylene, propylene, isopropylene or -C (CH 3 ) 2 -CH 2 -.
  • indices a, b, c and d represent molar ratios of these structural elements in the polymer A of the formula (II). These structural elements have a ratio of
  • the sum c + d is preferably greater than 0, preferably between 0.0001 and 0.8, even more preferably between 0.0001 and 0.1, most preferably between 0.001 and 0.02.
  • the proportion of polymer A of formula (II) is typically 10 to 100% by weight, in particular 25 to 50% by weight, based on the total weight of the plasticizer.
  • the rest can be, for example, a solvent, in particular water, and other additives.
  • Polymer A can be prepared by radical polymerization of the respective monomers
  • polycarboxylic acid is esterified or amidated with the corresponding alcohols, amines.
  • Details of the polymer-analogous implementation are disclosed, for example, in EP 1 138 697 B1 on page 7 line 20 to page 8 line 50, and in its examples or in EP 1 061 089 B1 on page 4, line 54 to page 5 line 38 and in of the examples.
  • polymer A can be prepared in a solid state.
  • a particularly preferred embodiment of the polymer are those in which c + d> 0, in particular d> 0.
  • R 3 in particular -NH-CH 2 -CH 2 -OH has proven to be particularly advantageous.
  • Such polymers A have a chemically bound ethanolamine, which can be split off. The ethanolamine is an extremely efficient corrosion inhibitor. The chemical connection of the corrosion inhibitor means that the smell is greatly reduced compared to where it is only added. It was also found that such polymers A also have significantly stronger plasticizer properties.
  • the composition according to the invention is preferably one
  • composition according to the invention can contain further additives, preferably an organic solvent or water.
  • the composition according to the invention is preferably an aqueous dispersion or a solution, in particular an aqueous solution.
  • Particularly suitable organic solvents are alcohols, preferably methanol, ethanol, propanol, isopropanol, butanol, higher alcohols, such as ethylene glycol, glycerol, polyether polyols such as polyethylene glycols and ether alcohols, such as butyl glycol, methoxypropanol, and alkyl polyethylene glycols, but also aldehydes, esters, ethers, amides or ketones, in particular acetone, methyl ethyl ketone, hydrocarbons, in particular methyl ester, ethyl ester, isopropyl ester, heptane, cyclohexane, xylene, toluene, White Spirit and their mixtures. Ethyl acetate, ethanol, isopropanol or heptane and mixtures thereof are considered preferred.
  • Water is particularly preferred as a further additive.
  • additives as are known in concrete technology, in particular surface-active substances,
  • Pore formers, pumping aids, viscosity regulators, water repellents or thixothropic agents, shrinkage reducing agents are included in Pore formers, pumping aids, viscosity regulators, water repellents or thixothropic agents, shrinkage reducing agents.
  • the proportion of the polyalkylene glycol is typically 1 to 70% by weight, preferably 10 to 50% by weight, particularly preferably 15 to 45% by weight, even more preferably 15 to 40% by weight, particularly preferably 25 to 40% by weight .-%, based on the total dry weight of the composition.
  • Total dry weight means the weight of the composition without water or solvent.
  • the proportion of the plasticizer in particular the proportion of polymer A, is typically 30 to 99% by weight, preferably 50 to 95% by weight, more preferably 55 to 85% by weight, even more preferably 60 to 85% by weight. %, particularly preferably 60 to 75% by weight, based on the total dry weight of the composition.
  • the composition according to the invention comprises at least one polyethylene glycol (PEG) or one methoxypolyethylene glycol (MPEG) with a molecular weight of 4'000 to 6'000 g / mol and at least one polymer of the formula (II) with c + d > 0, preferably d> 0, and with R 1 equal to - [AO] n -R 4 , ie a polyalkylene glycol radical, where A is a C 2 - and / or C 3 -alkylene group and AO thus an ethylene oxide (EO) - and / or propylene oxide (PO) unit and the value for n is chosen so that the molecular weight for R 1 is not significantly higher than 3000 g / mol, preferably M w is between 1000 and 3000 g / mol.
  • PEG polyethylene glycol
  • MPEG methoxypolyethylene glycol
  • the ratio of the average molecular weight between the free polyalkylene glycol of the formula (I) and the polyalkylene glycol radical R 1 in polymer A is thus more than 1.2, in particular more than 1.3.
  • the proportion of the polyalkylene glycol is preferably 15 to 45% by weight, in particular 25 to 40% by weight, based on the total dry weight of the composition, and the weight ratio between the polyalkylene glycol of the formula (I) and the plasticizer, in particular the polymer of the formula (II) is 0.17 to 0.7, preferably 0.33 to 0.7.
  • a powdery form according to the invention is also preferred
  • Composition without water or organic solvent.
  • the present invention relates to a hydraulically setting composition which contains or consists of the composition according to the invention and furthermore at least one hydraulically setting binder.
  • the hydraulically setting binder is preferably a mineral binder such as, for example, cement, plaster, fly ash, silica fume, slag, blastfurnace slag, limestone filler or burnt lime.
  • Preferred hydraulic binders comprise at least one cement, in particular at least one cement according to Euronorm EN 197 or calcium sulfate, in the form of anhydrite, hemihydrate or dihydrate gypsum; or calcium hydroxide.
  • cementitious rapid binders which preferably contain at least one alumina cement or another source of aluminate, such as clinker donating aluminate, and optionally calcium sulfate, in the form of Anhydrite, hemihydrate or dihydrate gypsum; and / or contain calcium hydroxide.
  • Cement in particular Portland cement, is preferred as a constituent of the hydraulic binder.
  • a low-chromate cement is particularly preferred.
  • the hydraulically setting composition is preferably concrete.
  • composition according to the invention is preferably metered into the hydraulically setting binder such that the proportion of the composition according to the invention is 0.05 to 3% by weight, preferably 0.1 to 1.5% by weight, particularly preferably 0.2 to 1% by weight, based on the
  • Weight of the hydraulically setting binder is.
  • the composition according to the invention is produced by mixing the polyalkylene glycol of the formula (I) with at least one plasticizer comprising or consisting of at least one polymer A of the formula (II), the sequence whether the polyalkylene glycol is present first or the plasticizer first is irrelevant .
  • An aqueous composition is prepared by adding water during the production of the plasticizer, in particular during the production of polymer A of the formula (I), or by subsequently mixing the plasticizer and the polyalkylene glycol with water.
  • the composition according to the invention can be present as a powder, clear or opaque solution or as a dispersion, that is to say as an emulsion or suspension. To process the dry hydraulically setting composition, a required amount of water is added and the mixture is processed.
  • the amount of water required depends primarily on the water / cement ratio (w / z value) customarily used by the person skilled in the art.
  • the plasticizer or the polyalkylene glycol can be added simultaneously or in succession in any order of the hydraulically setting composition, preferably the concrete dry mix before adding the mixing water, simultaneously with the mixing water, or after adding the mixing water, or the plasticizer and the mixing water and then the polyalkylene glycol are added to the hydraulically setting composition. After contact with water, the hydraulically setting composition hardens.
  • the present invention therefore relates to a hydraulic composition, preferably concrete, hardened with water, which comprises the composition according to the invention.
  • the present invention relates to the use of the composition according to the invention to extend the processing time and to improve the flow properties of hydraulically setting compositions compared to hydraulically setting compositions comprising conventional plasticizers.
  • the setting time of the hydraulic setting compositions comprising a composition according to the invention is not prolonged compared to hydraulic setting compositions comprising conventional retarders.
  • Processing time or “time of workability” denotes the time during which a hydraulically setting composition, preferably fresh concrete, can be processed. With “processability” it is
  • the processability can be described with the consistency in measurable numbers.
  • the consistency can be determined by
  • test methods are preferably carried out in accordance with the EN 12350 standard.
  • the processing time is extended by more than 10%, preferably by 20 to 70%, even more preferably by 25 to 50%, compared to the corresponding processing time of conventional ones hydraulic setting compositions comprising a conventional plasticizer without a polyalkylene glycol of formula (I).
  • Another object of the present invention is a concrete structure which has at least one according to the invention
  • Composition includes.
  • the concrete construction is advantageously a building of civil engineering, in particular a building or tunnel
  • the present composition according to the invention has the
  • the polymers A given in Table 3 were prepared by a polymer-analogous reaction from poly (meth) acrylic acid with the corresponding alcohols and amines in a known manner.
  • the polymers A are used in these examples as an aqueous solution.
  • the content of polymer (A-1, A-2, and A-3) is 40% by weight.
  • This watery Solutions are referred to as A-1L, A-2L and A-3L.
  • concentrations for A given in the following tables each relate to the content of polymer A.
  • a mortar with a grain size of 0-8 mm, with approx. 320 kg / m 3 Portland cement CEM I 42.5, and a w / c value of 0.4 was produced.
  • 0.32% of the polymers A given in Table 4 and a polyalkylene glycol in the amount given in Table 4 were added at the same time.
  • the percentages relate in each case to the dry weight of the polymers A or of the polyalkylene glycols, based on the cement.
  • the polymers A and the polyalkylene glycols were dissolved in water before the addition and, unless stated otherwise, added as a 40% solution with the mixing water to the dry mortar mixture.
  • the slump was used to investigate the flow behavior
  • ABS air pore content
  • polyalkylene glycol in an amount of 15 to 45% by weight, in particular in an amount of 25 to 40% by weight, based on the total dry weight of the polyalkylene glycol and the plasticizer, or polymer A, is used.
  • the slump was measured in centimeters according to EN 12350 at different times.
  • the air pore content was determined in accordance with EN 12350 and the pressure resistance in accordance with EN 12390 (see tables 5 and 6).
  • Air pore content in%; d day It can be seen from Table 5 that the workability of the concrete, which contains a polyalkylene glycol according to the invention, is still very good even after 60 minutes compared to the concrete, which contains only one plasticizer. The limit of workability with this concrete is around 30 cm slump. Without polyalkylene glycol, the concrete is barely workable after 60 minutes, while the concrete with MPEG5000 is still easy to work with after 60 minutes. In addition, it can be seen from the compressive strength after one day at 10 ° C that the addition of polyalkylene glycol does not result in any loss of strength in the concrete.
  • the slump of the concrete of this composition falls below 40 cm.
  • a composition comprising a plasticizer and a plasticizer Polyalkylene glycol was added, extended by about 50% compared to a concrete to which only one plasticizer with polymer A was added during manufacture. 3. Comparison of the setting times
  • a concrete with a grain size of 0-32 mm, with approx. 320 kg / m 3 Portland cement CEM I 42.5, and a w / c value of 0.43 was produced.
  • a polymer A and a polyalkylene glycol or sodium gluconate were added at the same time in the amount given in Table 7.
  • the percentages refer in each case to the dry weight of the polymers A or of the polyalkylene glycol or of the sodium gluconate, based on the cement.
  • the polymers A and the polyalkylene glycol or sodium gluconate were dissolved in water before the addition and added to the concrete mixture as a 40% solution with the mixing water.
  • the setting times were measured by determining the maximum temperature (T max ) of the concrete mixtures.
  • the setting times of concrete mixtures with the composition according to the invention were compared with the setting times of concrete mixtures with conventional retarders such as sodium gluconate or starch derivatives.
  • Table 7 shows that the setting times of concrete mixes with conventional retarders are longer than those of concrete mixes with plasticizers, whereas the setting times of concrete mixes with plasticizers and polyalkylene glycols are comparable to those without polyalkylene glycol.

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

Abstract

L'invention concerne une composition contenant au moins un condenseur pour une composition à prise hydraulique et au moins un polyalkylène glycol, ainsi que son utilisation pour améliorer la maniabilité, de préférence pour prolonger la durée de traitement, de compositions à prise hydraulique.
EP06819934A 2005-12-08 2006-12-08 Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique Withdrawn EP1966104A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06819934A EP1966104A1 (fr) 2005-12-08 2006-12-08 Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05111850A EP1795511A1 (fr) 2005-12-08 2005-12-08 Composition et sa utilisation pour améliorer la processibilité des compositions à prise hydraulique
EP06819934A EP1966104A1 (fr) 2005-12-08 2006-12-08 Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique
PCT/EP2006/069495 WO2007065952A1 (fr) 2005-12-08 2006-12-08 Composition et son utilisation pour l’amelioration de la maniabilite de compositions a prise hydraulique

Publications (1)

Publication Number Publication Date
EP1966104A1 true EP1966104A1 (fr) 2008-09-10

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EP05111850A Withdrawn EP1795511A1 (fr) 2005-12-08 2005-12-08 Composition et sa utilisation pour améliorer la processibilité des compositions à prise hydraulique
EP06819934A Withdrawn EP1966104A1 (fr) 2005-12-08 2006-12-08 Composition et son utilisation pour l'amelioration de la maniabilite de compositions a prise hydraulique

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EP05111850A Withdrawn EP1795511A1 (fr) 2005-12-08 2005-12-08 Composition et sa utilisation pour améliorer la processibilité des compositions à prise hydraulique

Country Status (8)

Country Link
US (1) US8246741B2 (fr)
EP (2) EP1795511A1 (fr)
JP (1) JP5193055B2 (fr)
CN (1) CN101336213B (fr)
AU (1) AU2006323956B2 (fr)
CA (1) CA2632458A1 (fr)
MX (1) MX2008007269A (fr)
WO (1) WO2007065952A1 (fr)

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EP2159203A1 (fr) * 2008-08-26 2010-03-03 Sika Technology AG Additif pour systèmes de raccordement hydraulique ayant une capacité de transformation améliorée et un taux de réduction d'eau réduit
JP5371457B2 (ja) * 2009-01-16 2013-12-18 花王株式会社 水硬性組成物用分散剤組成物
CN102575054B (zh) * 2009-09-21 2014-06-25 Sika技术股份公司 用于在矿物质粘合剂中稳定梳形聚合物的铁(iii)络合剂
EP2341039A1 (fr) * 2009-12-24 2011-07-06 Sika Technology AG Plâtre contenant de l'argile
FR2960538A1 (fr) * 2010-05-25 2011-12-02 Francais Ciments Agent anti-retrait a base de nanoparticules minerales a surface modifiee pour mortier et beton
FR2960537A1 (fr) * 2010-05-25 2011-12-02 Francais Ciments Superplastifiant a base de nanoparticules minerales a surface modifiee pour mortier et beton
JP5818254B2 (ja) * 2011-11-29 2015-11-18 竹本油脂株式会社 高炉スラグコンクリート用混和剤及び高炉スラグコンクリートの調製方法
MX377957B (es) * 2013-01-07 2025-03-10 Sika Tech Ag Plastificante que tiene cadenas laterales catiónicas.
RU2540703C2 (ru) * 2013-03-15 2015-02-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Сухая композиция для создания самовыравнивающихся быстротвердеющих наливных полов
CN105745180A (zh) 2013-11-22 2016-07-06 建筑研究和技术有限公司 用于粘结性组合物的减裂剂

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US20090241804A1 (en) 2009-10-01
CN101336213B (zh) 2012-09-19
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WO2007065952A1 (fr) 2007-06-14
JP5193055B2 (ja) 2013-05-08
CN101336213A (zh) 2008-12-31
US8246741B2 (en) 2012-08-21
MX2008007269A (es) 2008-07-15
JP2009518269A (ja) 2009-05-07
CA2632458A1 (fr) 2007-06-14
AU2006323956B2 (en) 2011-10-06

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