WO2023002136A1 - Produit comprenant une laine minerale a souffler - Google Patents
Produit comprenant une laine minerale a souffler Download PDFInfo
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- WO2023002136A1 WO2023002136A1 PCT/FR2022/051460 FR2022051460W WO2023002136A1 WO 2023002136 A1 WO2023002136 A1 WO 2023002136A1 FR 2022051460 W FR2022051460 W FR 2022051460W WO 2023002136 A1 WO2023002136 A1 WO 2023002136A1
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- Prior art keywords
- additive
- inclusive
- fibers
- product
- product according
- Prior art date
Links
- 239000011490 mineral wool Substances 0.000 title abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 92
- 239000000654 additive Substances 0.000 claims abstract description 91
- 230000000996 additive effect Effects 0.000 claims abstract description 67
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 20
- 239000011491 glass wool Substances 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 29
- 239000002557 mineral fiber Substances 0.000 claims description 25
- 238000007664 blowing Methods 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 19
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 238000005119 centrifugation Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012681 fiber drawing Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 polydimethylsiloxane Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/14—Spraying
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/06—Manufacture of glass fibres or filaments by blasting or blowing molten glass, e.g. for making staple fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/25—Non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/255—Oils, waxes, fats or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/40—Organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2213/00—Glass fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/76—Hydrophobic and oleophobic coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
Definitions
- DESCRIPTION TITLE PRODUCT COMPRISING A BLOWING MINERAL WOOL FIELD OF THE INVENTION
- the present invention relates to a thermal and/or acoustic insulation product comprising a blowing mineral wool, preferably a glass wool, as well as a coating obtained by the blowing such a product.
- STATE OF THE ART It is known to thermally and/or acoustically insulate a wall of a building, for example a wall, a floor or a floor, by depositing a blown glass wool in contact with the wall. A compressed glass wool in a bag undergoes a first expansion during the opening of the bag.
- the glass wool is then introduced into a device configured to blow the glass wool, comprising for example a carding machine, in which the glass wool is subjected to a second expansion.
- the glass wool is then transported from the carding machine to the wall to be insulated in a pneumatic conduit.
- This method makes it possible to cover a wall with an irregular morphology with glass wool.
- This method also makes it possible to reduce the volume of the glass wool between its production and its use.
- a significant part of the glass wool can be dispersed in the ambient atmosphere.
- the part dispersed in the atmosphere is called "dust" of glass wool. This dust presents a user comfort problem when blowing the glass wool.
- document US 2017 0198472 describes a glass wool in which the mass content of mineral oil has been reduced compared to the prior art.
- the mass content of mineral oil in the mineral wool described in document US 2017 0198472 is between 0.1% and 0.6% of the total mass of the mineral wool.
- the glass wool described by document US 2017 0198472 has a high thermal conductivity for a predetermined density of glass wool installed on a wall.
- An object of the invention is to provide a thermal and/or acoustic insulation product having thermal conductivity less than or equal to the thermal conductivities of known mineral wools, while minimizing the quantity of dust emitted during the installation of the product by a user.
- a thermal and/or acoustic insulation product comprising a mineral wool, the mineral wool comprising mineral fibers and being suitable for being blown, in which: - the fibers have a distribution of a population of fiber lengths such that the median fiber length by number of the distribution is less than or equal to 2 mm, and that at least 10% of the population by number has a fiber length strictly greater than 1 .5 mm, in particular strictly greater than 2.0 mm, and preferably strictly greater than 2.5 mm, - the product comprises at least one additive, the product having a mass content of all of the additive(s) of between 0.4 % and 1.2% included,
- the present invention is advantageously supplemented by the following characteristics, taken individually or in any of their technically possible combinations: - the median fiber length in number of the distribution is less than or equal to 1.5 mm and preferably to 1 mm , - the mineral wool is glass wool, - the product has a density of between 100 kg.m -3 and 180 kg.m -3 inclusive, in particular between 120 kg.m -3 and 160 kg.m - 3 inclusive and preferably between 140 kg.m -3 and 160 kg.m -3 inclusive, - the additive or additives comprise at least one additive chosen from an anti-dust additive, a hydrophobic additive, an antistatic additive and a colorant, - the additive or additives comprise an antistatic additive, a mass content of the antistatic additive being between 0.01% and 0.30% inclusive, in particular between 0.02% and 0.20% inclusive, and preferably between 0, 05% and 0.15% included, - the additive(s) comprise(
- Another aspect of the invention is a thermal and/or acoustic insulation coating obtained by blowing a product according to one embodiment of the invention, the coating having a thermal performance factor ⁇ of between 0.45 W.kg.K -1 .m -4 and 0.8 W.kg.K -1 .m -4 , and in particular between 0.5 W.kg.K -1 .m -4 and 0.75 W. kg.K -1 .m -4 .
- the coating has a blown density of between 5 kg/m 3 and 18 kg/m 3 inclusive, in particular of between 7 kg/m 3 and 12 kg/m 3 inclusive.
- the coating has a thermal conductivity of between 35 mW.m -1 .K -1 and 55 mW.m -1 .K -1 inclusive, in particular of between 40 mW.m -1 .K -1 and 52 mW. m -1 .K -1 included, and preferably between 43 mW.m -1 .K -1 and 49 mW.m -1 .K -1 included.
- Another aspect of the invention is a use of a product according to one embodiment of the invention for the thermal and/or acoustic insulation of a wall of a building.
- FIG. 1 illustrates a distribution of a population of fiber lengths of a product according to one embodiment of the invention
- FIG. 2 - Figure 2 schematically illustrates an installation for producing an insulating product according to one embodiment of the invention
- FIG. 3 illustrates the average integrated charge of the mineral fibers of a product according to one embodiment of the invention, blown.
- FIG. 4 - Figure 4 illustrates the variation in the consumption of a coating with the mass content of all the additives and the distribution of fiber lengths.
- thermal performance factor ⁇ means the product of the thermal conductivity ⁇ , expressed in Wm -1 .K -1 , and the density ⁇ of a product according to one embodiment of the invention blown, expressed in kg/m 3 .
- the thermal performance factor ⁇ is, in known manner, representative of the quantity of mineral wool to be blown to obtain a predetermined thermal resistance R on a wall.
- the thermal performance of mineral wool can be determined by the product of the predetermined thermal resistance R and the thermal performance factor ⁇ .
- blowing of a mineral wool is meant a blowing defined by standard EN 14064-1:2007, and preferably defined by the document "Cahier Technique 8, Preparation of test specimens for bulk products, Revision index C, date of application: 01/07/2019, ACERMI”, referring to appendix C.2.1 of standard EN 14064-1:2007.
- the thermal conductivity is measured according to the measurement defined in the document “Cahier Technique 8, Preparation of test specimens for bulk products, Revision index C, date of application: 07/01/2019, ACERMI", referring to standard EN 14064-1:2007.
- the term “density” of a mineral wool is understood to mean the mass of mineral wool measured in a container fully filled with the mineral wool, divided by the volume of the container.
- the density of the mineral wool is equal to the ratio between the mass of the mineral wool in the bag and between the volume of the bag.
- the measurement of the density of the blown mineral wool is defined in the document "Cahier Technique 8, Preparation of test specimens for bulk products, Revision index C, date of setting
- the fineness of the mineral wool fibers is determined by the value of their micronaire, under 5 g.
- the measurement of the micronaire also called "fineness index” is representative of the specific surface of the fibers, and includes a measurement of the aerodynamic pressure drop when a given quantity of fibers extracted from an unsized mattress is subjected to a given pressure. a gas, usually air or nitrogen. This measurement is usual in mineral fiber production units, it is standardized (DIN 53941 or ASTM D 1448 standards) and it uses a device called a “micronaire device”.
- the micronaire measurement method is also described in document WO 2003098209.
- One aspect of the invention is a thermal and/or acoustic insulation product comprising a mineral wool.
- the mineral wool is glass wool.
- Mineral wool includes mineral fibers.
- the glass wool comprises in known manner glass fibers.
- Mineral fibers are produced by melting an inorganic raw material, preferably glass, stone, and/or slag. Mineral wool is suitable for being blown.
- the mineral fibers can be produced by melting a glass having: - a mass content of SiO 2 of between 50% and 75%, and preferably of between 60% and 70%, and/or - a content mass of Na 2 O comprised between 10 and 25%, and preferably comprised between 10% and 20%, and/or - a mass content of CaO comprised between 5% and 15%, and preferably comprised between 5% and 10% , and/or - a mass content of MgO comprised between 1 to 10%, and preferably comprised between 2 and 5%, and/or - a sum of a mass content of CaO and a mass content of MgO comprised between 5% and 20%, and/or
- B 2 O 3 a mass content of B 2 O 3 comprised between 0% and 10%, in particular comprised between 2% and 8%, preferentially comprised between 3% and 6%, and more preferentially comprised between 3.5% and 5%; and/or - a mass content of Al 2 O 3 of between 0% and 8%, and preferably of between 1% and 6%, and/or - a mass content of K 2 O of between 0% and 5%, and preferably between 0.5% and 2%, and/or - a sum of a Na 2 O mass content and a K 2 O mass content of between 12% and 20%.
- the fibers have a distribution of a population of fiber lengths such that the median fiber length in number of the distribution is less than or equal to 2 mm, in particular less than or equal to 1.5 mm, and preferably less than 1 mm.
- at least 10% of the population by number has a fiber length strictly greater than 1.5 mm, in particular strictly greater than 2.0 mm, and preferably strictly greater than 2.5 mm.
- the product includes at least one additive.
- the product has a mass content of all of the additive(s) comprised between 0.4% and 1.2% inclusive, in particular comprised between 0.6% and 1% inclusive and preferably comprised between 0.7 and 0.9% inclusive .
- the insulation product has a mass content of binder of less than 0.1%.
- the insulation product may be devoid of binder, and have a mass content of zero binder.
- traces of binder may be present, in particular when the product is manufactured by recycling glass wool comprising a binder. Referring to Figure 4, the consumption of a thermal insulation coating can be synergistically reduced by choosing a product
- Point (a) illustrates a coating having a mass content of all the additives equal to 1.6% and in which strictly less than 10% of the population by number of fibers has a length greater than 1.5 mm.
- Point (b) illustrates a coating having a mass content of all the additives equal to 0.8% and in which strictly less than 10% of the population by number of fibers has a length greater than 1.5 mm.
- Point (c) illustrates a coating having a mass content of all the additives equal to 1.6% and in which the fibers have a distribution of a population of fiber lengths such that the median fiber length in number of the distribution is less than or equal to 2 mm and in which at least 10% of the population by number has a fiber length strictly greater than 1.5 mm.
- Point (d) illustrates a coating according to one embodiment of the invention, having a mass content of all the additives equal to 0.8% and in which the fibers have a distribution of a population of fiber lengths such that the median fiber length by number of the distribution is less than or equal to 2 mm and in which at least 10% of the population by number has a fiber length strictly greater than 1.5 mm.
- an installation for the production of the insulation product may comprise a fiber-drawing unit, in which the mineral fibers are produced.
- the fiber-drawing unit may comprise a centrifugation device 1 configured to rotate along a vertical axis X.
- the centrifugation device 1 has a peripheral band.
- the peripheral strip is pierced with a plurality of orifices, through which the molten raw material can flow from the inside of the centrifugation device to the outside, forming filaments of molten raw material.
- the fiber-drawing unit can also comprise a burner 2.
- the burner 2 can have an annular shape and be arranged so as to impose at the output
- the burner 2 makes it possible to stretch the filaments coming out of the orifices, so as to form the mineral fibers.
- An annular inductor 3 can be arranged below the centrifugation device. The annular inductor 3 makes it possible to heat a lower part of the centrifugation device 1, in particular the dish. A veil 4 of mineral fibers is thus formed.
- a receiving belt 5 for the mineral fibers can be arranged under the centrifugation device 1.
- the burner 2 is configured so that the temperature of the gaseous jet at the outlet of the burner 2 is between 1300° C. and 1500° C., preferably to the around 1400°C.
- the pressure variation of burner 2, driving the gas jet makes it possible to control the fineness of the fibres: a lower pressure of burner 2 can lead to a larger fiber diameter.
- the inventors have discovered that it is possible to significantly increase the proportion of long mineral fibers among all the mineral fibers produced, in the proportions described above, by reducing the quantity of movement transmitted by the burner 2 to the filaments in exit from the orifices with regard to the known transmitted momentum.
- the speed of rotation can be between 1600 revolutions per minute and 3000 revolutions per minute, in particular between 2400 revolutions per minute and 3000 revolutions per minute.
- the tangential speed of the orifices, during the rotation of the centrifugation device 1, can be between 50 m/s and 80 m/s, and preferably between 57 m/s and 75 m/s.
- the length of the fibers can be increased by increasing the amount of movement imparted to the fibers from the outlet of the orifice.
- the quantity of movement imparted to the fibers by the burner may be concomitant with mechanical stresses undergone by the fibers driven by fluid turbulence, downstream of the burner.
- the fiber pull per orifice of one plate per day is equal to the flow rate of molten raw material passing through each orifice per day.
- the pull of fibers per orifice of one dish per day can be between 0.30 kg/day and 0.8 kg/day, in particular between 0.4 kg/day and 0.7 kg/day.
- the fiber pull per orifice may be less than 0.40 kg/day.
- the plate of the centrifugation device 2 can comprise at least 30,000 orifices, for example when the diameter of the plate is equal to 600 mm.
- the plate of the centrifugation device 2 can comprise at least 36,000 orifices, for example when the diameter of the plate is equal to 400 mm.
- the pull per orifice is small enough to produce fine fibers, so as to counterbalance the effect of the reduction in the transmission of the quantity of movement of the burner 2 to the filaments leaving the orifices.
- the plate of the centrifugation device 2 has a diameter comprised between 50 mm and 800 mm, and preferably comprised between 400 mm and 600 mm.
- the pull of the centrifugation device 2 varies with the diameter of the dish.
- the orifices are formed and distributed on the drilling strip of the plate.
- the height of the piercing strip, in the direction of the axis of rotation X of the centrifugation device, is preferably less than 35 mm.
- the diameter of the orifices is between 0.5 and 1.1 mm.
- the distance between the centers of neighboring holes can be between 0.8 mm and 2 mm. This distance can vary by less than 10%, and preferably by less than 3%.
- the manufacturing process can then include a step of recovering the mineral fibers on the carpet 5. Following the recovery step, the manufacturing process can include a step of grinding the fibers, then a step of compressing the fibers. The grinding step can also be implemented so as to obtain a product according to one embodiment of the invention.
- Structure and geometry of the mineral wool A median diameter, weighted by volume of the fibres, can be between 5 ⁇ m and 15 ⁇ m inclusive, in particular between 6 ⁇ m and 12 ⁇ m inclusive, and preferably between 7 ⁇ m and 10 ⁇ m inclusive.
- the insulating product can have a lower thermal conduction than the thermal conduction of known insulating products, while making it possible to form the distribution of lengths described above. Indeed, too small a median diameter can promote a reduction in the proportion of long fibers in the length distribution, due to breakage of the longest fibers.
- the range of the median diameter of the fibers of a product according to one embodiment of the invention makes it possible to avoid excessive breakage of the fibers while keeping the thermal conductivity of the product low.
- An average fiber length, in number of fibers can be between 0.5 mm and 1.5 mm inclusive.
- the median length, in number of fibers can be between 300 ⁇ m and 700 ⁇ m.
- the insulating product may have a micronaire of between 4 L/min and 9 L/min.
- Fiber diameter and length can be measured by depositing the fibers on a substrate and then imaging the deposited fibers with a microscope.
- a sample of the product or coating can be taken using forceps. Typically, between 10 and 30 mg of the product or coating can be taken.
- the number of fibers measured is greater than 1000, in particular greater than 2000 and preferably greater than 5000.
- the fibers of the sample can then be dispersed in a solvent.
- the solvent may comprise a mixture of distilled water and glycerine, for example in a proportion
- the sample is stirred using a laboratory stirrer between 30 minutes and 2 hours, which results in a dispersion of the fibers in the solvent.
- the fiber dispersion is then diluted in distilled water at a ratio of 1:3 to 1:20.
- the diluted fiber dispersion is then deposited on a substrate, for example on the bottom of a Petri dish.
- the fibers included in the dispersion are then imaged by a microscope fitted with a lens whose magnification is for example equal to 20X, 40X or 90X, or by any other imaging system (camera, scanner) making it possible to observe the fibers at a sufficient resolution to appreciate their length. Image processing is then implemented.
- the product has a mass content of all of the additive(s) of between 0.4% and 1.2% inclusive, in particular between 0.6% and 1% inclusive and preferably between 0.7 and 0.9% inclusive.
- the additives which usually comprise organic compounds, promote heat transfer through the product, and thus degrade the thermal insulation properties conferred by the blown product.
- the mass content of all of the additive(s) is understood to mean all of the additives of the product.
- the mass content of all the additives, the additives having different natures, is calculated by summing the mass content of each of the additives only once. This definition of the rate
- mass of all of the additive(s) does not exclude that an additive has several functions.
- a function can be chosen at least from an anti-dust function, a hydrophobant function, an antistatic function and a dye function.
- the mass content of one or more additives having a determined function is calculated by summing the mass content of each of the additives having this determined function. This definition does not exclude that the mass rate of a first additive, having both a first function and a second function, is summed both in the mass rate of one or more additives having a first function and times in the mass content of one or more additives having a second function.
- the additive(s) can be of any type.
- the additive or additives are preferably chosen from an anti-dust additive, a hydrophobic additive, an antistatic additive and a colorant.
- the thermal insulation product may include an antistatic additive.
- a mass content of the antistatic additive can be between 0.01% and 0.30% inclusive, in particular between 0.02% and 0.20% inclusive, and preferably between 0.05% and 0.15% inclusive.
- the antistatic additive can be at least chosen from a tertiary ammonium, a quaternary ammonium, and a polyethylene glycol.
- the antistatic additive comprises a polyethylene glycol and at least one compound chosen from a tertiary ammonium and a quaternary ammonium.
- the total mass content of tertiary ammonium and of quaternary ammonium can be between 0.01% and 0.25%, in particular between 0.01% and 0.05%.
- the mass content of the polyethylene glycol can be between 0.03% and 0.20%, in particular between 0.05% and 0.10%.
- the antistatic additive can be sprayed on the veil of mineral fibers 4 produced following the step of forming a veil 4 of mineral fibers previously described and/or following the step of grinding the fibers, for example during transport fibers in a pneumatic channel.
- the antistatic additive makes it possible to increase the value of the electrostatic charge of the mineral fibers of the blown mineral wool.
- the measurement of the electrostatic charge of the blown mineral wool can be implemented by arranging, at the outlet of the duct through which the blown product is brought to the wall to be insulated, a mobile electrostatic sensor (for example a Keyence SK-050 model sensor).
- the sensor measures an electric potential difference ⁇ V near a path through which the blown product is transported, between an electric potential measured during the passage of the blown product through the path and an electric potential measured at the same place, in the lack of passage of the blown product through the path.
- the measured potential difference is proportional to the average charge of the fibers passing through the path, and evolves in the same direction.
- the sensor can, for example, be arranged at the outlet of a pneumatic pipe used to deposit the blown mineral wool on the wall to be insulated.
- the average charge of the blown mineral fibers of a product can be zero or positive. Indeed, it was discovered by the inventors that a zero or positive average charge of the blown fibers was a sufficient condition to observe an antistatic effect of the product on the clothing of the users.
- the term "average load” means the average of the loads of the mineral fibers measured during the blowing of the product.
- Figure 3 illustrates the average fiber load as a function of relative humidity (RH).
- the insulation product may include a hydrophobing additive.
- hydrophobant is understood to mean an additive which, when it is deposited on the mineral wool, enables the insulation product to exhibit hydrophobic properties.
- the hydrophobing additive can be sprayed on the veil 4 of mineral fibers produced following the step of forming a veil 4 of mineral fibers described above.
- a mass content of the hydrophobing additive can be between 0.05% and 0.4% inclusive, and preferably between 0.1% and 0.2%.
- the hydrophobing additive can be a silicone, for example polydimethylsiloxane (PDMS).
- PDMS polydimethylsiloxane
- the thermal insulation product may include an anti-dust additive.
- the anti-dust additive can be sprayed on the veil of mineral fibers 4 produced following the step of forming a veil 4 of mineral fibers described above and/or following the step of grinding the fibers, for example during fiber transport in a pneumatic channel.
- Anti-dust additive can be sprayed on the veil of mineral fibers 4 produced following the step of forming a veil 4 of mineral fibers described above and/or following the step of grinding the fibers, for example during fiber transport in a pneumatic channel.
- the anti-dust additive can comprise an oil, in particular an oil of vegetable origin and/or an oil of mineral origin.
- the mass rate of the anti-dust additive can be determined so that the product has a mass rate of all of the additive(s) of between 0.4% and 1.2% inclusive, so that the rate mass of the antistatic additive is between 0.01% and 0.30%, and so the mass content of the hydrophobing additive is between 0.05% and 0.4% inclusive.
- the mass content of the anti-dust additive is between 0.34% and 1.14%.
- the product has a higher density than that of a coating obtained by blowing of the product.
- the density may be between 100 kg.m -3 and 180 kg.m -3 inclusive, in particular between 120 kg.m -3 and 160 kg.m -3 inclusive and preferably between 140 kg.m -3 and 160 kg.m -3 included. This density may be the density of the packaged product.
- the product may be lighter when packaged than other known products.
- the known products obtained from rock wool have a density greater than 200 kg.m ⁇ 3 . It is thus possible to facilitate the delivery of the product to a construction site.
- Another aspect of the invention is a thermal and/or acoustic insulation coating obtained by blowing a product according to one embodiment of the invention.
- the coating, and indirectly the product can be used for the thermal and/or acoustic insulation of a wall of a building.
- the wall can be chosen from a wall, a ground and a floor.
- the wall can be insulated by depositing the coating by blowing the product.
- the coating has a thermal performance factor ⁇ of between 0.45 W.kg.K -1 .m -4 and 0.8 W.kg.K -1 .m -4 , and in particular between 0.5 W.kg.K -1 .m -4 and 0.75 W.kg.K -1 .m -4 .
- ⁇ thermal performance factor
- the coating may have a thermal conductivity of between 35 mW.m -1 .K -1 and 55 mW.m -1 .K -1 inclusive, in particular of between 40 mW.m -1 .K -1 and 52 mW.m -1 .K -1 included, and preferably between 43 mW.m -1 .K -1 and 49 mW.m -1 .K -1 included.
- the coating may have a blown density of between 5 kg/m 3 and 18 kg/m 3 inclusive, in particular between 7 kg/m 3 and 12 kg/m 3 inclusive. .
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Nonwoven Fabrics (AREA)
- Building Environments (AREA)
- Thermal Insulation (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2022315009A AU2022315009A1 (en) | 2021-07-21 | 2022-07-21 | Product comprising a mineral wool to be blown |
KR1020247001847A KR20240038701A (ko) | 2021-07-21 | 2022-07-21 | 취입되는 미네랄 울을 포함하는 제품 |
EP22754130.7A EP4373786A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
JP2024503431A JP2024526862A (ja) | 2021-07-21 | 2022-07-21 | 吹き付けミネラルウールを含む物品 |
CA3224071A CA3224071A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2107879 | 2021-07-21 | ||
FR2107879A FR3125548B1 (fr) | 2021-07-21 | 2021-07-21 | Produit comprenant une laine minerale a souffler |
FR2201006A FR3132532A1 (fr) | 2022-02-04 | 2022-02-04 | Produit comprenant une laine minerale a souffler |
FRFR2201008 | 2022-02-04 | ||
FR2201008A FR3132531A1 (fr) | 2022-02-04 | 2022-02-04 | Produit comprenant une laine minerale a souffler |
FRFR2201006 | 2022-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023002136A1 true WO2023002136A1 (fr) | 2023-01-26 |
Family
ID=82851737
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2022/051462 WO2023002138A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
PCT/FR2022/051461 WO2023002137A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
PCT/FR2022/051460 WO2023002136A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2022/051462 WO2023002138A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
PCT/FR2022/051461 WO2023002137A1 (fr) | 2021-07-21 | 2022-07-21 | Produit comprenant une laine minerale a souffler |
Country Status (7)
Country | Link |
---|---|
US (2) | US20240336518A1 (fr) |
EP (3) | EP4373787A1 (fr) |
JP (3) | JP2024526844A (fr) |
KR (3) | KR20240038703A (fr) |
AU (3) | AU2022315855A1 (fr) |
CA (3) | CA3224073A1 (fr) |
WO (3) | WO2023002138A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801301A1 (fr) * | 1999-11-24 | 2001-05-25 | Saint Gobain Isover | Procede et dispositif de formation de laine minerale par centrifugation interne |
WO2003098209A1 (fr) | 2002-05-22 | 2003-11-27 | Saint-Gobain Isover | Dispositif de determination de la finesse de fibres minerales |
WO2015055758A1 (fr) * | 2013-10-16 | 2015-04-23 | Rockwool International A/S | Fibres vitreuses fabriquées par l'homme |
US20170198472A1 (en) | 2016-01-11 | 2017-07-13 | Owens Corning Intellectual Capital, Llc | Unbonded loosefill insulation |
-
2022
- 2022-07-21 EP EP22754489.7A patent/EP4373787A1/fr active Pending
- 2022-07-21 US US18/290,615 patent/US20240336518A1/en active Pending
- 2022-07-21 KR KR1020247001849A patent/KR20240038703A/ko unknown
- 2022-07-21 KR KR1020247001848A patent/KR20240038702A/ko unknown
- 2022-07-21 JP JP2024503382A patent/JP2024526844A/ja active Pending
- 2022-07-21 CA CA3224073A patent/CA3224073A1/fr active Pending
- 2022-07-21 AU AU2022315855A patent/AU2022315855A1/en active Pending
- 2022-07-21 WO PCT/FR2022/051462 patent/WO2023002138A1/fr active Application Filing
- 2022-07-21 JP JP2024503405A patent/JP2024526854A/ja active Pending
- 2022-07-21 EP EP22754130.7A patent/EP4373786A1/fr active Pending
- 2022-07-21 EP EP22757622.0A patent/EP4373788A1/fr active Pending
- 2022-07-21 WO PCT/FR2022/051461 patent/WO2023002137A1/fr active Application Filing
- 2022-07-21 AU AU2022315009A patent/AU2022315009A1/en active Pending
- 2022-07-21 KR KR1020247001847A patent/KR20240038701A/ko unknown
- 2022-07-21 WO PCT/FR2022/051460 patent/WO2023002136A1/fr active Application Filing
- 2022-07-21 CA CA3224071A patent/CA3224071A1/fr active Pending
- 2022-07-21 AU AU2022314255A patent/AU2022314255A1/en active Pending
- 2022-07-21 US US18/290,650 patent/US20240254041A1/en active Pending
- 2022-07-21 CA CA3224077A patent/CA3224077A1/fr active Pending
- 2022-07-21 JP JP2024503431A patent/JP2024526862A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801301A1 (fr) * | 1999-11-24 | 2001-05-25 | Saint Gobain Isover | Procede et dispositif de formation de laine minerale par centrifugation interne |
WO2003098209A1 (fr) | 2002-05-22 | 2003-11-27 | Saint-Gobain Isover | Dispositif de determination de la finesse de fibres minerales |
WO2015055758A1 (fr) * | 2013-10-16 | 2015-04-23 | Rockwool International A/S | Fibres vitreuses fabriquées par l'homme |
US20170198472A1 (en) | 2016-01-11 | 2017-07-13 | Owens Corning Intellectual Capital, Llc | Unbonded loosefill insulation |
Non-Patent Citations (1)
Title |
---|
YLINIEMI JUHO ET AL: "Characterization of mineral wool waste chemical composition, organic resin content and fiber dimensions: Aspects for valorization", WASTE MANAGEMENT, ELSEVIER, NEW YORK, NY, US, vol. 131, 1 July 2021 (2021-07-01), pages 323 - 330, XP086723139, ISSN: 0956-053X, [retrieved on 20210701], DOI: 10.1016/J.WASMAN.2021.06.022 * |
Also Published As
Publication number | Publication date |
---|---|
US20240254041A1 (en) | 2024-08-01 |
JP2024526862A (ja) | 2024-07-19 |
JP2024526854A (ja) | 2024-07-19 |
JP2024526844A (ja) | 2024-07-19 |
WO2023002138A1 (fr) | 2023-01-26 |
AU2022315855A1 (en) | 2024-02-01 |
KR20240038703A (ko) | 2024-03-25 |
US20240336518A1 (en) | 2024-10-10 |
CA3224071A1 (fr) | 2023-01-26 |
EP4373788A1 (fr) | 2024-05-29 |
CA3224073A1 (fr) | 2023-01-26 |
KR20240038701A (ko) | 2024-03-25 |
AU2022315009A1 (en) | 2024-02-01 |
KR20240038702A (ko) | 2024-03-25 |
EP4373786A1 (fr) | 2024-05-29 |
AU2022314255A1 (en) | 2024-02-01 |
WO2023002137A1 (fr) | 2023-01-26 |
EP4373787A1 (fr) | 2024-05-29 |
CA3224077A1 (fr) | 2023-01-26 |
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