WO2011069685A1 - Composition seche comprenant un liant et une huile de silicone - Google Patents

Composition seche comprenant un liant et une huile de silicone Download PDF

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Publication number
WO2011069685A1
WO2011069685A1 PCT/EP2010/052090 EP2010052090W WO2011069685A1 WO 2011069685 A1 WO2011069685 A1 WO 2011069685A1 EP 2010052090 W EP2010052090 W EP 2010052090W WO 2011069685 A1 WO2011069685 A1 WO 2011069685A1
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WIPO (PCT)
Prior art keywords
composition
optionally substituted
composition according
binder
granulate
Prior art date
Application number
PCT/EP2010/052090
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English (en)
French (fr)
Inventor
Christophe Guyot
Laurent Guillot
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 AU2010330327A priority Critical patent/AU2010330327B2/en
Priority to EP10705335.7A priority patent/EP2401241B1/fr
Priority to ES10705335.7T priority patent/ES2524300T3/es
Priority to CA2752967A priority patent/CA2752967C/en
Priority to JP2011551468A priority patent/JP5702310B2/ja
Publication of WO2011069685A1 publication Critical patent/WO2011069685A1/fr
Priority to US13/217,705 priority patent/US8506700B2/en

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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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • 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
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
    • C04B2103/0075—Anti-dusting 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • 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

Definitions

  • the present invention relates to a dry composition comprising at least one binder and at least one silicone oil making it possible in particular to reduce the dust emission, as well as to its preparation process.
  • composition of the present invention is useful for example for the preparation of cement-based materials, such as mortars, concretes, coatings, etc.
  • Dry or ready-to-use compositions based on cement, for mortars or coatings are generally in the form of powdery products and are known to have a high dust emission rate, for example during their manufacture, their packaging or their preparation. use.
  • the finer particles and which fly off more easily may be adjuvants or low-dose additives.
  • these constituents are expensive and play an important role in the composition or for the properties of the final material. The flight of these constituents can change the constitution of the composition and cause a loss of performance of the final material.
  • the fine particles of the compositions may be of a hygroscopic and / or electrostatic nature and may cause additional difficulties in the use or use of the compositions dry, for example problems of flowability, sticking, risk of explosions of the type "dust".
  • US Pat. No. 4,646,476 describes the use of polytetrafluoroethylene for limiting the dust emission of cement or mortar compositions. But these constituents promote the penetration of air into the composition which alters the physico-chemical characteristics of the material, hence the need to add additional additives defoaming agents.
  • Patent application WO 2006/084588 for its part describes the use of hydrocarbon compounds as additives to reduce the dust generated by the dry compositions for the construction.
  • additives can deteriorate the properties and performance of mortars or concretes, and in particular, the workability, strength, adhesion properties, waterproofing properties, durability properties.
  • the present invention is specifically intended to meet these needs and disadvantages of the prior art by providing a dry composition
  • a dry composition comprising at least one binder and at least one silicone oil of formula (I) below:
  • Z 1 and Z 2 which may be identical or different, independently represent a terminal group chosen from the group comprising a hydrogen atom, a hydroxyl, a linear or branched, optionally substituted C 1 -C 12 alkyl radical or a C 5 alkenyl radical; 2 to C 2, linear or branched, optionally substituted, heteroalkyl radical Ci-Ci 2 linear or branched, optionally substituted, a cycloalkyl radical with C 5 to C 10 optionally substituted, and an aryl radical C 6 Cis optionally substituted ;
  • Ri and R 2 identical or different, independently represent a hydrogen atom, a hydroxyl, an alkyl radical Ci-Ci 2 linear or branched, optionally substituted, an alkenyl C 2 to C 2, linear or branched, optionally substituted, heteroalkyl radical -C 12 linear or branched, optionally substituted, a cycloalkyl C 5 -C 10 optionally substituted, and an aryl radical C 6 -C 18 optionally substituted;
  • ⁇ M and n which may be identical or different, independently represent a number ranging from 1 to 100, for example from 1 to 50, for example from 1 to 30, for example from 1 to 10.
  • Z 1 and Z 2 may be identical or different, each of Z 1 and Z 2 independently representing a terminal group chosen from the group comprising:
  • a hydroxyl a linear or branched, optionally substituted C1-C12 alkyl radical, a linear or branched, optionally substituted C2-C12 alkenyl radical, a linear or branched C1-C12 heteroalkyl radical, optionally substituted, a optionally substituted C 5 to C 10 cycloalkyl radical, and an optionally substituted C 6 to C 18 aryl radical,
  • a hydrogen atom a hydroxyl, a linear or branched, optionally substituted C 2 to C 12 alkyl radical, a linear or branched, optionally substituted C 2 to C 12 alkenyl radical, a linear C 1 to C 12 heteroalkyl radical, linear or branched, optionally substituted, an optionally substituted C 5 -C 10 cycloalkyl radical, and an optionally substituted C 6 to C 18 aryl radical, or
  • R 1 and R 2 may be identical or different, each of R 1 and R 2 independently representing a group chosen from the group comprising:
  • a hydroxyl a linear or branched, optionally substituted C 1 to C 12 alkyl radical, a linear or branched, optionally substituted C 2 to C 12 alkenyl radical, a linear or branched, optionally substituted C 1 to C 12 heteroalkyl radical, cycloalkyl C 5 -C 10 optionally substituted aryl radical and a C 6 to C 8 optionally substituted,
  • a hydrogen atom a hydroxyl, a linear or branched, optionally substituted C 2 to C 12 alkyl radical, a linear or branched, optionally substituted C 2 to C 12 alkenyl radical, a linear C 1 to C 12 heteroalkyl radical, linear or branched, optionally substituted, an optionally substituted C 5 -C 10 cycloalkyl radical, and an optionally substituted C 6 to C 18 aryl radical, or
  • binder in the sense of the present invention, a material ensuring the cohesion of an assembly, for linking together different elements such as sands, aggregates, aggregates. It may for example be inorganic binders (for example hydraulic binders) or organic binders (for example hydrocarbon binders).
  • inorganic binder in the sense of the present invention, a binder composed of minerals which, mixed with water form a paste that hardens by agglomerating the aggregates.
  • inorganic binders mention may be made of any binder known to those skilled in the art, for example cement (aluminous, hydraulic, magnesium, metallurgical, super-sulphated cement, compound, blast furnace cement, slag cement, ash cement, pozzolanic cement, Portland cement, composite Portland cement, etc.), lime (calcined lime, sintered, carbonated, flatted, lime, lime, hydraulic lime, slaked lime, etc.), plaster, clay, metakaolin, etc.
  • cement aluminous, hydraulic, magnesium, metallurgical, super-sulphated cement, compound, blast furnace cement, slag cement, ash cement, pozzolanic cement, Portland cement, composite Portland cement, etc.
  • lime calcined lime, sintered, carbonated, flatted, lime, lime, hydraulic lime, slaked lime, etc.
  • plaster
  • organic binder in the sense of the present invention, a hydrocarbon binder, that is to say a binder based on hydrocarbons.
  • organic binders mention may be made of any binder known to those skilled in the art, for example synthetic polymers.
  • the synthetic polymers may for example be in the form of a dry, non-sticky and / or redispersible powder (known name, "redispersible powder” in English). It may be, for example, thermoplastic polymers, thermosetting polymers, acrylic polymers, acrylic styrene polymers, epoxy polymers, polyurethane polymers, polymers based on ethylene, vinylene and / or acetate monomers. vinyl, polymers based on styrene monomers and / or butadiene.
  • the binder may be chosen from the group comprising cement, lime, plaster, clay, synthetic polymers, for example as defined above, or a mixture of these. this.
  • the binder can be chosen from the group comprising cement, lime, synthetic polymers, for example as defined above, or a mixture thereof.
  • alkyl radical in the sense of the present invention, a carbon radical, which may be linear, branched or cyclic, optionally substituted, comprising 1 to 12 carbon atoms, for example 1 to 10 carbon atoms, for example 1 to 8 carbon atoms.
  • alkenyl radical in the sense of the present invention, a carbon radical having at least one carbon-carbon double bond, which may be linear, branched or cyclic, optionally substituted, comprising 2 to 12 carbon atoms, for example 2 to 10 carbon atoms, for example 2 to 8 carbon atoms.
  • heteroalkyl radical in the sense of the present invention, an alkyl radical as defined above, said alkyl system comprising at least one heteroatom, in particular selected from the group consisting of sulfur, oxygen, nitrogen, boron .
  • aryl radical in the sense of the present invention, a hydrocarbon radical comprising at least one ring satisfying the Huckel rule of aromaticity. Said aryl is optionally substituted and may comprise from 6 to 18 carbon atoms, for example 6 to 10 carbon atoms.
  • cycloalkyl in the sense of the present invention, a cyclic carbon radical, saturated or unsaturated, optionally substituted, which may comprise 5 to 10 carbon atoms.
  • substituted refers for example to the replacement of a hydrogen atom in a given structure with a radical selected from the group consisting of alkyl, alkenyl, heteroalkyl, aryl, heteroaryl, hydroxyl, amine, halogen, haloalkyl, etc. When more than one position may be substituted, the substituents may be the same or different at each position.
  • the silicone oil of formula (I) can consist of an oil of formula (I) or can be in the form of a mixture of silicone of different formula (I), for example a mixture of 2, 3, 4 or 5 silicone oils of formula (I).
  • the silicone oil may for example be a silicone polymer, for example polydimethylsiloxane.
  • the composition according to the invention may be in powder form.
  • the powder particles may, for example, have a diameter of up to 10 mm, for example from 0.001 to 10 mm, for example from 0.01 to 5 mm, for example from 0.1 to 1 mm.
  • the composition according to the invention may comprise powder particles of which more than 50% of the particles have a diameter ranging from 0.001 to 10 mm.
  • the oil may have a surface tension of less than 60 mN / m, for example less than 45 mN / m. According to one embodiment of the invention, the oil may have a surface tension of less than 35 mN / m.
  • surface tension in the sense of the present invention, the tension that exists at the separation surface between the oil and the powder particles (solids).
  • the surface tension makes it possible to characterize the ability of the oil to wet the surface of the powder particles. According to the Young-Dupré equation, the oil wets the solid particles all the more easily as the surface tension of the oil is lower than that of the solid particles.
  • the surface tension of the oil can be determined, for example, by the hanging drop method ([ref.3] STAUFFER (CE) - The measurement of the surface tension by the technical drop. J. Phys. Chem. 69, 1965, p.1933-8).
  • the oil may have a dynamic viscosity of less than 1 Pa.s at 20 ° C., for example less than 0.1 Pa.s at 20 ° C., for example from 0.001 to 0.1 Pa.s. at 20 ° C, for example from 0.001 to 0.08 Pa.s at 20 ° C, for example from 0.001 to 0.05 Pa.s at 20 ° C.
  • dynamic viscosity means the physical property of the oil which characterizes the stress generated by a shearing force in the oil.
  • the dynamic viscosity of the oil may for example be determined by the method of standard NF EN ISO 2555 or ISO 3104.
  • the oil may have a surface tension of less than 45 mN / m and a dynamic viscosity of less than 0.1 Pa.s at 20 ° C.
  • the dust which one seeks to limit or reduce the emission consists of fine particles (light) contained in the dry composition. It has been observed, quite surprisingly, that a suitable choice of the surface tension and the viscosity of the oil makes it possible to improve the anti-dust effect of the composition of the invention.
  • Fine particles are understood to mean particles having a diameter of less than 50 ⁇ , for example less than 32 ⁇ .
  • Large particles according to the invention are understood to mean particles having a diameter greater than 50 ⁇ .
  • the content of silicone oil in the composition may be from 0.05 to 5% by weight of the composition, for example from 0.1 to 5%, for example from 0.1 to 1%, for example from 0.2 to 1%.
  • composition of the invention may have a binder content (s) of 5 to 95% by weight of the composition, for example from 10 to 80%, for example from 15 to 50%.
  • the composition may further comprise at least one granulate selected from the group consisting of sand, stone powder, crushed brick, gravel, chippings, alumina, bauxite, calcined bauxite, Crushed flint, or any natural or synthetic granulate (eg wood, rubber, polystyrene).
  • a granulate selected from the group consisting of sand, stone powder, crushed brick, gravel, chippings, alumina, bauxite, calcined bauxite, Crushed flint, or any natural or synthetic granulate (eg wood, rubber, polystyrene).
  • the composition may have a granular content (s) of 5 to 95% by weight of the composition, for example from 20 to 90%, for example from 50 to 85%.
  • the term "granulate” is intended to mean a solid particle or an aggregate of solid particles of natural or synthetic origin, intended to be used in the composition of materials intended for the construction, building, manufacture of public works.
  • the granulate may have a diameter ranging from 1 ⁇ to 10 mm, for example from 100 ⁇ to 10 mm.
  • aggregates include pebbles, gravel (with a particle size of 2 to 10 mm), coarse sand (with a particle size of 0.5 to 2 mm), fine sand ( having a particle size of 100 to 500 ⁇ ), silt, fines (also called addition fines or "filler” in English), etc.
  • fine is intended to mean a fine granulate having, for example, a particle size of less than 125 ⁇ .
  • the granulate may be a siliceous, calcareous, silico-calcareous, aluminous or silico-aluminous granulate.
  • the composition may further comprise an additive selected from the group consisting of fly ash, a water-repellent or waterproofing agent, a carboxylic acid salt, a resin, a retarding adjuvant, an accelerating adjuvant, a carrier agent, air, a defoaming agent, a rheology modifier, and any other adjuvant or usable additive known to those skilled in the art.
  • the skilled person will be able to choose the additive according to the targeted application.
  • These additives may advantageously be in powder form or in a form compatible with their introduction into a dry composition according to the invention.
  • additive means a constituent or product added to a composition and making it possible to provide said composition with particular characteristics and properties, for example making it possible to modify the setting times of the material, the preservation, to modify viscosity, workability, improve mechanical strength, impermeability, prevent the growth of microorganisms.
  • air entraining agents and defoaming agents include for example a detergent, a wetting agent, a dispersing agent, an emulsifier. More specifically, it may be anionic surfactants, cationic surfactants, zwitterionic or amphoteric surfactants, nonionic surfactants (for example a sucrose ester, sorbitol, a polyethylene glycol ester, a fatty acid ester, an ethoxylate or any other nonionic surfactant described for example in the patent application EP 1 661 874).
  • a detergent for example a detergent, a wetting agent, a dispersing agent, an emulsifier. More specifically, it may be anionic surfactants, cationic surfactants, zwitterionic or amphoteric surfactants, nonionic surfactants (for example a sucrose ester, sorbitol, a polyethylene glycol ester, a fatty acid ester, an ethoxylate or any other noni
  • water-repellent or waterproofing agents there may be mentioned, for example, a fatty acid ester, a silicone derivative or a derivative of PTFE (polytetrafluoroethylene).
  • carboxylic acid salts mention may be made, for example, of a calcium carboxylate, for example calcium formate.
  • the resins there may be mentioned for example an amino resin derived from urea (for example melamine).
  • the retarding adjuvants compound having a retarding effect on the setting of cements, mortars or other materials
  • gluconates citric acid, tartaric acid, their salts, aminoplast resins or other retarding adjuvants. described for example in the patent application EP 1 661 874.
  • accelerating agents mention may be made, for example, of formate, thiocyanate, nitrate, NaCl, CaCl 2, aluminum hydroxide, alumina, triethanolamine and tri-isopropanol amine salts.
  • cellulose ethers for example, of cellulose ethers, gums (for example xanthanum, guar, gélane, etc.), starches, starch ethers, polyvinyl alcohol and hydro-acrylate acrylates.
  • -soluble, colloidal silica, polymers or copolymers an acetate-versatate copolymer, a styrene-acrylic copolymer, a polyvinyl acetate polymer, an acrylic co-polymer, an ethylene-vinylene-acetate terpolymer
  • fluidifiers such as melamine and its derivatives, poly-naphthalene and its derivatives, poly-carboxylates, casein.
  • the total content of additive (s) in the composition may be from 0.01 to 20% by total weight of the composition, for example from 0.05 to 15%, for example from 0.1 to 10%.
  • the composition may comprise:
  • At least one granulate with a total granulate content of 5 to 95% by weight of the composition At least one granulate with a total granulate content of 5 to 95% by weight of the composition
  • the present invention also relates to a method for preparing a composition according to the invention in which:
  • the present invention also relates to a process for preparing a composition according to the invention in which a mixture comprising at least one oil of formula (I), at least one binder, and optionally at least one granulate and / or at least one binder is prepared. an additive.
  • the present invention also relates to a method for preparing a composition according to the invention in which:
  • the present invention also relates to the use of a composition according to the invention especially for the preparation of a cement slurry, a mortar, a concrete, a coating, a crepit and / or a screed.
  • the present invention also relates to the use of a composition according to the invention in particular for the construction, the building, the repair of concrete, the protection of concrete and steels against bad weather, external aggression or fire, waterproofing, anchoring, blocking, sealing, gluing tiles or tiles, facade cladding.
  • Figure 1 shows the heat release curves as a function of time. On the ordinate, "H” is expressed in kW / m 2 . On the abscissa, the time is expressed in minutes (min).
  • Example 1 Compositions (1 a), (1 b) and (1 c) according to the invention
  • compositions (1 a), (1 b) and (1 c) according to the invention are dry mortar compositions whose contents of constituents are given in Table 1 below (in% by total weight of the dry composition ):
  • compositions (1 a), (1 b) and (1 c) were made with the proportions given above, and with the following "anti-dust” agent:
  • composition (1a) comprising 0.7% Dow Corning 200 R 5 CST PDMS (polydimethylsiloxane) silicone oil marketed by Dow Corning (Belgium).
  • composition (1b) comprising 0.7% of Dow Corning 200 R 10 CST PDMS silicone oil sold by Dow Corning (Belgium).
  • composition (1c) comprising 0.7% of Dow Corning 200 R 20 CST silicone oil marketed by Dow Corning (Belgium).
  • Table 2 The characteristics of the silicone oils used as "anti-dust" agent in the compositions (1 a), (1 b) and (1 c) according to the invention are given in Table 2 below:
  • compositions (1 a), (1 b) and (1 c) were prepared as follows:
  • compositions (1 a), (1 b), (1 c) and (1 d) were made with various "anti-dust” agents and a composition (1 e), or "control” composition, comprising no "dustproof” agent, as described below:
  • composition (1 a) according to the invention comprising 0.7% Dow Corning 200 R 5 CST PDMS silicone oil
  • composition (1b) according to the invention comprising 0.7% Dow Corning 200 R 10 CST PDMS silicone oil
  • composition (1c) according to the invention comprising 0.7% Dow Corning 200 R 20 CST PDMS silicone oil
  • composition (1 d) (prepared according to the procedure of example 1) comprising 0.7% of mineral oil (paraffinic oil sold under the reference Shell Catenex H713 by Shell France)
  • composition (1 e) (prepared according to the procedure of example 1) not comprising a "dust-proof" agent.
  • the test performed to measure the dust emission of a mortar consists of filling a 100 ml bottle with 65 g of dry mortar and manually shaking the closed bottle 10 times. Once the agitation stops, the bottle is quickly opened. The emission of dust is then evaluated through the dust that emerges from the opening of the bottle. The dust emission is classified on a scale ranging from 1 to 4 (1 corresponding to a very low dust emission, 4 corresponding to a very high dust emission).
  • compositions (1 a), (1 b) and (1 c) according to the invention comprising a silicone oil make it possible to obtain a significant reduction in the dust emission with respect to the control composition.
  • Example 3 a For these tests, the five compositions prepared according to Example 3 a) were evaluated and compared. These performance tests were performed on the cured mortars prepared from the dry mortar compositions (1 a), (1 b), (1 c) and (1 d) to which water was added at the level of 12 5% by total weight of dry powder. Mortar samples were evaluated after 28 days of hardening.
  • compositions (1a), (1b) and (1c) have very good performance.
  • the compressive strength properties, as well as the adhesion and free shrinkage properties are not degraded relative to the mortar resulting from the control composition (1 e) and are comparable to those of the composition (1 d).
  • the free shrinkage properties of the compositions according to the invention are improved with respect to the control composition (1 e) and the composition (1 d) comprising the mineral oil.
  • compositions according to the invention comprising silicone oil make it possible to maintain very good performances, comparable to the control composition (not including any "anti- dust "), but also have the advantage of retaining very good fire resistance properties (as described in Example 4 below).
  • Example 2 For these tests, the fire resistance characteristics of the five compositions prepared in Example 2 were evaluated and compared. These fire resistance tests were performed on the cured mortars prepared from the dry mortar compositions (1 a), (1 b), (1 c) and (1 d) to which water was added to height of 12.5% by total weight of dry powder. Mortar samples were evaluated after 28 days of hardening.
  • the fire resistance tests conducted are carried out according to the ISO 5660-1 standard. They are conducted with a calorimeter cone with a power of 75 kW / m 2 (corresponding to a temperature of the order of 880 ° C).
  • the mortar samples obtained after curing the compositions (1 a), (1 b), (1 c) and (1 d) were crushed (into particles of 1 mm to 3 mm in diameter) before being tested.
  • composition (1d) comprising mineral oil.
  • the heat released, according to the 3 parameters measured, is lower than in the case of the composition (1 d).
  • compositions according to the invention comprising silicone oil make it possible to retain very good fire-resistance properties, comparable to compositions that do not comprise an "anti-toxic” additive. "dust” (control composition (1 e)).
  • composition comprising the silicone oil
  • the curve is markedly lower than that of the composition containing the mineral oil. In addition, it remains relatively close to the curve representing the "control" composition (composition (1 e)).
  • compositions have been prepared:
  • composition (1 a) according to the invention comprising 0.7% Dow Corning 200 R 5 CST PDMS silicone oil, prepared according to the procedure of Example 1.
  • composition (1f) prepared by sieving the control composition (1 e) eliminating particles with a diameter of less than 32 ⁇ .
  • the composition (1 a) according to the invention allows a significant reduction in the dust emission compared to the control composition (1 e) not containing a "dust-proof" agent.
  • composition (1 a) according to the invention has a reduction of the dust emission comparable to that of the composition (1f) of which the particles of diameter less than 32 ⁇ have been removed by sieving. .

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
PCT/EP2010/052090 2009-02-26 2010-02-19 Composition seche comprenant un liant et une huile de silicone WO2011069685A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2010330327A AU2010330327B2 (en) 2009-02-26 2010-02-19 Dry composition comprising a binder and a silicone oil
EP10705335.7A EP2401241B1 (fr) 2009-02-26 2010-02-19 Composition seche comprenant un liant et une huile de silicone
ES10705335.7T ES2524300T3 (es) 2009-02-26 2010-02-19 Composición seca que comprende un ligante y un aceite de silicona
CA2752967A CA2752967C (en) 2009-02-26 2010-02-19 Dry composition comprising a binder and a silicone oil
JP2011551468A JP5702310B2 (ja) 2009-02-26 2010-02-19 バインダーおよびシリコーン油を含む乾燥組成物
US13/217,705 US8506700B2 (en) 2009-02-26 2011-08-25 Dry composition comprising a binder and a silicone oil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0900884 2009-02-26
FR0900884A FR2942474B1 (fr) 2009-02-26 2009-02-26 Composition seche comprenant un liant et une huile de silicone

Related Child Applications (1)

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US13/217,705 Continuation US8506700B2 (en) 2009-02-26 2011-08-25 Dry composition comprising a binder and a silicone oil

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WO2011069685A1 true WO2011069685A1 (fr) 2011-06-16

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US (1) US8506700B2 (ja)
EP (1) EP2401241B1 (ja)
JP (2) JP5702310B2 (ja)
AU (1) AU2010330327B2 (ja)
CA (1) CA2752967C (ja)
ES (1) ES2524300T3 (ja)
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RU2525565C1 (ru) * 2013-01-18 2014-08-20 Открытое общество с ограниченной ответственностью "Компания Виталан" Бетонная смесь
JPWO2016140045A1 (ja) * 2015-03-02 2017-04-27 三菱レイヨン株式会社 界面活性剤含有アミド化合物水溶液
CN109384430A (zh) * 2018-10-09 2019-02-26 山东华杰新型环保建材有限公司 一种混凝土及其制备方法
CN115302621B (zh) * 2022-08-03 2023-06-09 南通理工学院 一种提高混凝土材料力学性能和耐久性能的制备方法

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CA2752967A1 (en) 2010-06-16
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AU2010330327B2 (en) 2014-10-09
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