WO2015197984A1 - Composition pour joints - Google Patents
Composition pour joints Download PDFInfo
- Publication number
- WO2015197984A1 WO2015197984A1 PCT/FR2015/051716 FR2015051716W WO2015197984A1 WO 2015197984 A1 WO2015197984 A1 WO 2015197984A1 FR 2015051716 W FR2015051716 W FR 2015051716W WO 2015197984 A1 WO2015197984 A1 WO 2015197984A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- nanometric
- calcium carbonate
- weight
- aluminum trihydroxide
- 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.)
- Ceased
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
- C04B28/06—Aluminous cements
-
- 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
- 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
- C04B14/30—Oxides other than silica
- C04B14/303—Alumina
-
- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
-
- 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
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural materials
-
- 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
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
- C04B2111/00681—Pointing or jointing materials of the drying type
-
- 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
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
Definitions
- the present invention relates to a composition for seals that can be used to form products for the construction, in particular that can be used to join (or grout) plates or plaster tiles intended in particular for the formation and / or the cladding of the partitions. or ceilings of buildings.
- Gaskets, as well as gypsum board, must meet various requirements related to their use for construction, in particular must comply with the requirements of fire resistance regulations.
- gypsum boards In order to improve this resistance, it is in particular known for gypsum boards to add various additives to the plaster composition, making it possible, if necessary, to limit or delay the dimensional variation (or shrinkage) of the plates under the effect of heat, such as vermiculite, perlite, crystalline silica, glass fibers or additives in the form of clay materials, boron compounds or silicon or aluminum, etc.
- additives such as vermiculite, perlite, crystalline silica, glass fibers or additives in the form of clay materials, boron compounds or silicon or aluminum, etc.
- the use of certain additives may be tricky or these additives may result in significant additional cost, the improvement in fire resistance may also remain low.
- the overall strength of gypsum board partitions or ceilings can be improved by using a gasket with improved fire resistance.
- the present invention therefore sought to develop an improved seal based on calcium carbonate having a particularly satisfactory dimensional stability at high temperature.
- This object is achieved thanks to the composition based on calcium carbonate according to the invention, characterized in that it further comprises nanometric boehmite and / or nanometric aluminum trihydroxide.
- Such an additive makes it possible in particular to improve the dimensional stability and / or to limit the shrinkage at high temperature.
- said composition comprises (initially), in percentages by weight relative to the dry total mixture:
- At least one additive in particular an organic additive, in particular at least one additive that makes it possible to chemically set the said composition after shaping or binding.
- the additive (s) allowing the chemical composition of the composition (or the binding of the particles to one another) after shaping, or binder (s), are most often organic. They are normally present in the composition (dry extract) in an amount of from 0.5 to 10% by weight of said composition, in particular from 1 to 10% by weight of said composition.
- the percentages by weight are given with respect to the dry total mixture (or dry extract, the dry total mixture comprising in particular calcium carbonate, boehmite and / or aluminum trihydroxide, it is that is, the mixture which is free from (or after extraction from) any liquid medium used for the dispersion of the components, in particular without water
- the composition is formed from the indicated components, (generally mixed) in the given rates compared to the dry mix.
- the composition may also comprise one or more additives and / or additional components, this additive (s) may also be one or more mineral additives, usually used in this field and / or facilitating the implementation of the composition and / or or improving its resistance, especially to fire, and / or improving other properties.
- this additive may also be one or more mineral additives, usually used in this field and / or facilitating the implementation of the composition and / or or improving its resistance, especially to fire, and / or improving other properties.
- the composition may also comprise from 0 to 30% by weight, preferably from 0 to 25% by weight, for example from 0 to 20% by weight, of at least one or more mineral additives.
- An advantageous composition according to the invention may especially comprise calcium sulphate hydrate (semi-hydrated or dihydrate) or anhydrous, in an amount however less than 30% by weight of said composition (dry extract), and preferably in a quantity less than 15% by weight of said composition, or even less than 10% or even 5% by weight.
- An advantageous composition according to the invention may in particular comprise dolomite, in an amount however less than 30% by weight of said composition (dry extract), and preferably in an amount of less than 15% by weight of said composition, or even less than 10% or even 5% by weight.
- An advantageous composition according to the invention may also comprise talc or mica particles, included in a small proportion, generally equal to or less than 5%, in particular equal to or less than 2% by weight of the composition.
- a clay especially in the form of bentonite, may also be incorporated into a composition according to the invention in order to thicken it.
- the amount of this clay is generally less than 5%, or even less than 2%, by weight of the composition.
- a cellulose ether, and / or another thickening agent may alternatively or in addition also be used to increase the viscosity of a composition according to the invention in an amount most often less than 1%, or even less than 0.7% by weight of the composition, in particular if a clay is also incorporated.
- An advantageous composition according to the invention may also comprise polymers or resins capable of serving as a binder (as already mentioned) as organic additives.
- polymers or resins capable of serving as a binder as organic additives.
- incorporating into the compositions polyvinyl alcohol as described in GB 2048235 A, or polyvinyl acetate, or a mixture of these two polymers, or styrene / acrylic or ethylene / vinyl acetate copolymers, etc.
- a composition according to the present invention may also comprise secondary ingredients such as one or more antifoaming agents, one or more antibacterial or biocidal compounds, one or more water retention agents, or one or more setting retarding agents (organic acids in particular). or even one or more colored pigments.
- secondary ingredients such as one or more antifoaming agents, one or more antibacterial or biocidal compounds, one or more water retention agents, or one or more setting retarding agents (organic acids in particular). or even one or more colored pigments.
- compositions according to the invention can therefore be supplied in the form of dry powders for later mixing with water at the place of their application to give a viscous paste in the form of a coating.
- they can be mixed with water by the manufacturer or retailer - who can then use mixing machines - to form a coating, sold in airtight containers.
- a typical mass content of water is in the range of 28 to 40% by weight in the coating, which corresponds approximately to weight ratios of water to powder (solids) of 0.4 to 0.6.
- the present invention also relates to the preparation of a composition ("flame retarded" or having improved fire resistance, in particular in the sense that it has a better dimensional stability at high temperature), comprising a step of preparing a mixture based on (at least) nanoscale calcium carbonate and boehmite and / or nanometric aluminum trihydroxide and / or add to a calcium carbonate composition of nanometric boehmite and / or nanometric aluminum trihydroxide. It also relates to a method of manufacturing a construction element, in particular a joint, using the composition according to the invention, and according to which the composition (according to the previous preparation step) is formed by forming a composition based on sodium carbonate.
- the invention also relates to a method of flame retarding a product, in particular a seal, formed from a composition based on calcium carbonate, in which nanometric boehmite and / or nanometric aluminum trihydroxide.
- nanometric boehmite and / or nanometric aluminum trihydroxide at a preferential rate of 0.1 to 10% by weight of nanometric boehmite and / or nanometric aluminum trihydroxide relative to to the total dry mixture forming the composition, may be optionally initially in the mixture based on calcium carbonate or subsequently in the composition before the final shaping of the portion of the product based on this composition.
- the present invention also relates more generally to the use of nanometric boehmite and / or nanometric aluminum trihydroxide (especially the use of the composition described above) for the production of calcium carbonate products, in particular calcium carbonate base.
- the present invention has demonstrated that the addition of nanometric boehmite and / or nanometric aluminum trihydroxide to a composition based on calcium carbonate makes it possible to confer on a product prepared from this composition, resistance properties or fire resistance, especially dimensional stability at high temperature (from 500 ° C and in particular greater than 900 ° C, or even greater than 1000 ° C), improved.
- any calcium carbonate (CaCO 3 ) may be of natural or synthetic origin, this calcium carbonate may however include some impurities.
- any calcium carbonate suitable for the preparation of conventional joints for drywall may be used.
- composition based on calcium carbonate is meant any composition in which calcium carbonate is the major component by weight and in particular any composition in which the calcium carbonate represents more than 50% by weight of the dry mixture.
- bohemite is meant an aluminum oxyhydroxide (also called alumina monohydrate, or alternatively (mono) hydroxide of aluminum oxide) of formula AIO (OH) (in particular the gamma polymorph); aluminum trihydroxide is understood to mean an aluminum (tri) hydroxide (also called (tri) hydrate of alumina, or alternatively (tri) hydrate of aluminum oxide) of formula AI (OH) 3 ; nanometric component (bohemite and / or aluminum trihydroxide) means particles (of or forming this component) having a size or size of less than 950 nanometers, preferably less than 750 nm, and in particular less than 500 nm, whatever the shape of these particles.
- the size of a particle is called its equivalent diameter, that is to say the diameter of the sphere which would behave identically during the particle size analysis (or of the powder formed of said particles) forming (initially) the component considered, the particle size distribution (set of particle sizes) being measured in particular by laser granulometry.
- x% by weight of nanoscale component means that the composition incorporates x% by weight of particles of this component having a size of less than 950 nm (preferably less than 750 nm). , and in particular less than 500 nm), other particles of this larger size component may however be present in the composition (in other words, x% of nanoscale component means x% of nanoscale particles (of this component) / less than 950 nm).
- the particle size is measured by laser granulometry, for example using a commercially available particle size analyzer. under the reference Partica LA-950 by the company Horiba, the powders being analyzed in water, without the use of ultrasound.
- nanometric boehmite is also particularly preferred over the addition of aluminum trihydroxide in the present invention.
- the content of nanometric boehmite and / or nanometric aluminum trihydroxide in the composition defined according to the invention is greater than 0.2%, in particular greater than 0.3%, in particular greater than 0.4%, even greater than 0.5% by weight, or even greater than 0.7% by weight.
- the content of one and / or the other of these compounds is less than 9%, especially less than 8% by weight.
- the size of nanoscale boehmite particles and / or nanometric aluminum trihydroxide is advantageously less than 750 nanometers, or even less than 500 nm, or even less than 400 nm, especially less than 300 nm, in particular less than 200 nm. nm. It is also advantageously greater than 20 nm, especially greater than 50 nm, in particular greater than 60 nm, and even greater than 80 nm.
- the composition according to the invention comprises from 0.5 to 8% by weight of boehmite particles, all the particles having a size of less than 750 nm, preferably a size of between 20 and 500 nm. .
- Boehmite (respectively aluminum trihydroxide) may in particular be introduced into the composition according to the invention or in a coating according to the invention in the form of a powder or in the form of a colloidal suspension (dispersion in water or an acid in particular) .
- Fibers in the form of web, fabric, mat, etc.
- other reinforcements cardboard sheet, etc.
- the composition may for example be used in one or more layers to form a seal, or to bond a reinforcement or a part or band seal, and may also be used to achieve the topcoat covering a reinforcement or a part or band seal etc.
- the products according to the invention are enriched in aluminum (observation by chemical analysis), have nodules, consisting in particular of aluminum and oxygen, mixed with the calcium carbonate structure (observation by scanning electron microscope ), and have a loss of mass around 220-320 ° C for aluminum trihydroxide products and around 400-500 ° C for boehmite products (thermogravimetric analysis (TGA) ).
- TGA thermogravimetric analysis
- a first plate is prepared with the coating alone, as a reference example.
- a second plate according to the invention is prepared further comprising a powder (powder B3 in the table) of nano-sized bohemite particles having (all) a size of less than 500 nm (and in particular a high level of particles smaller than 200 nm) in the proportions indicated in Table 1.
- nanometric boehmite significantly improves the high temperature dimensional stability of calcium carbonate compositions over a temperature range of 500 ° C to above 1000 ° C.
- composition according to the invention can in particular be used with advantages to obtain gypsum board joints for the formation and / or covering of the partitions or ceilings of buildings, or as a joint or jointing compound, in particular for sealing around pipes or cables running through slabs or walls, etc.
Landscapes
- 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)
- Civil Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
- Dispersion Chemistry (AREA)
- Nanotechnology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/321,021 US10131581B2 (en) | 2014-06-26 | 2015-06-25 | Composition for joints |
| CA2950081A CA2950081C (fr) | 2014-06-26 | 2015-06-25 | Composition pour joints |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1456005 | 2014-06-26 | ||
| FR1456005A FR3022905B1 (fr) | 2014-06-26 | 2014-06-26 | Composition pour joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015197984A1 true WO2015197984A1 (fr) | 2015-12-30 |
Family
ID=51688204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2015/051716 Ceased WO2015197984A1 (fr) | 2014-06-26 | 2015-06-25 | Composition pour joints |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10131581B2 (fr) |
| CA (1) | CA2950081C (fr) |
| FR (1) | FR3022905B1 (fr) |
| WO (1) | WO2015197984A1 (fr) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2048235A (en) | 1979-04-25 | 1980-12-10 | Bpb Industries Ltd | Improved Joint Cement |
| FR2640658A1 (fr) * | 1988-12-16 | 1990-06-22 | Daussan & Co | Revetement organique pour proteger les constructions, notamment contre le feu et la chaleur |
| US20050139126A1 (en) * | 2003-12-31 | 2005-06-30 | Building Materials Investment Corporation | Intumescent coating |
| CN103012948A (zh) * | 2012-12-28 | 2013-04-03 | 上海东升新材料有限公司 | 阻燃石头纸及其制备方法 |
| CN103408236A (zh) * | 2013-06-26 | 2013-11-27 | 安徽省温禾木业有限公司 | 一种用于加气砖制备的碳酸钙-萤石矿渣粉体 |
| CN103617836A (zh) * | 2013-12-06 | 2014-03-05 | 上海特种电线电缆(集团)有限公司 | 一种纳米型超a类阻燃电力电缆 |
| CN103641502A (zh) * | 2013-12-06 | 2014-03-19 | 上海特种电线电缆(集团)有限公司 | 一种纳米型耐火材料 |
| CN103881185A (zh) * | 2012-12-21 | 2014-06-25 | 青岛欣展塑胶有限公司 | 一种阻燃改性聚乙烯材料及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080245273A1 (en) * | 2007-04-05 | 2008-10-09 | Jouko Vyorkka | Hydrophobic coatings |
| CN101659824B (zh) * | 2008-08-28 | 2012-07-18 | 上海富臣化工有限公司 | 纳米阻燃乳胶漆及其生产方法 |
| CN103849045A (zh) * | 2012-12-04 | 2014-06-11 | 青岛三利中德美水设备有限公司 | 聚乙烯无机纳米阻燃母粒及其制备方法 |
| CN103254493B (zh) * | 2013-04-08 | 2015-07-29 | 上海东升新材料有限公司 | 夜光石头纸及其制备方法和应用 |
-
2014
- 2014-06-26 FR FR1456005A patent/FR3022905B1/fr active Active
-
2015
- 2015-06-25 WO PCT/FR2015/051716 patent/WO2015197984A1/fr not_active Ceased
- 2015-06-25 US US15/321,021 patent/US10131581B2/en active Active
- 2015-06-25 CA CA2950081A patent/CA2950081C/fr active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2048235A (en) | 1979-04-25 | 1980-12-10 | Bpb Industries Ltd | Improved Joint Cement |
| FR2640658A1 (fr) * | 1988-12-16 | 1990-06-22 | Daussan & Co | Revetement organique pour proteger les constructions, notamment contre le feu et la chaleur |
| US20050139126A1 (en) * | 2003-12-31 | 2005-06-30 | Building Materials Investment Corporation | Intumescent coating |
| CN103881185A (zh) * | 2012-12-21 | 2014-06-25 | 青岛欣展塑胶有限公司 | 一种阻燃改性聚乙烯材料及其制备方法 |
| CN103012948A (zh) * | 2012-12-28 | 2013-04-03 | 上海东升新材料有限公司 | 阻燃石头纸及其制备方法 |
| CN103408236A (zh) * | 2013-06-26 | 2013-11-27 | 安徽省温禾木业有限公司 | 一种用于加气砖制备的碳酸钙-萤石矿渣粉体 |
| CN103617836A (zh) * | 2013-12-06 | 2014-03-05 | 上海特种电线电缆(集团)有限公司 | 一种纳米型超a类阻燃电力电缆 |
| CN103641502A (zh) * | 2013-12-06 | 2014-03-19 | 上海特种电线电缆(集团)有限公司 | 一种纳米型耐火材料 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170197882A1 (en) | 2017-07-13 |
| FR3022905B1 (fr) | 2016-07-01 |
| FR3022905A1 (fr) | 2016-01-01 |
| CA2950081C (fr) | 2023-03-21 |
| US10131581B2 (en) | 2018-11-20 |
| CA2950081A1 (fr) | 2015-12-30 |
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