WO2011069923A1 - Isolation thermique hydrophobe - Google Patents

Isolation thermique hydrophobe Download PDF

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Publication number
WO2011069923A1
WO2011069923A1 PCT/EP2010/068876 EP2010068876W WO2011069923A1 WO 2011069923 A1 WO2011069923 A1 WO 2011069923A1 EP 2010068876 W EP2010068876 W EP 2010068876W WO 2011069923 A1 WO2011069923 A1 WO 2011069923A1
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WO
WIPO (PCT)
Prior art keywords
thermal insulation
volatility
radical
low
organosiloxanes
Prior art date
Application number
PCT/EP2010/068876
Other languages
German (de)
English (en)
Inventor
Herbert Barthel
Torsten Gottschalk-Gaudig
Original Assignee
Wacker Chemie 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 Wacker Chemie Ag filed Critical Wacker Chemie Ag
Priority to US13/515,201 priority Critical patent/US20120286189A1/en
Priority to EP10784321A priority patent/EP2509926A1/fr
Priority to KR1020127017668A priority patent/KR101456596B1/ko
Publication of WO2011069923A1 publication Critical patent/WO2011069923A1/fr

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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
    • C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
    • C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
    • 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
    • C04B30/00—Compositions for artificial stone, not containing binders
    • 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
    • C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/28—Glass
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00267—Materials permeable to vapours or gases
    • 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
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00293—Materials impermeable to liquids
    • 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
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
    • C04B2111/20—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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen

Definitions

  • the invention relates to a porous thermal insulation and moldings thereof.
  • Thermal insulation to save energy has been given high priority in the context of awareness of sustainable development and increased energy prices. Thermal insulation comes in the context of rising energy prices, dwindling resources, the pursuit of a reduction in CC> 2 emissions, the need for sustained reduction of energy demand, as well as rising costs in the future
  • Natural stones are relatively good heat conductors, so that the outer walls of buildings erected from them very quickly release the heat from the inside to the outside in cold weather. The development is therefore on the one hand to improve the
  • Insulation properties by increasing the porosity of these building materials, such. in concrete and brickwork, and on the other to cover the outer walls with
  • thermal insulation or insulating materials used primarily today are materials with low heat conduction. Common: Organic thermal insulation materials
  • Foamed plastics such as polystyrene, Neopor, polyurethane wood fiber material such as wood wool and cork vegetable or animal fibers such as hemp, flax, wool Inorganic thermal insulation materials
  • mineral foams such as aerated concrete, pumice, perlite and vermiculite
  • Vacuum insulation panels called VIP for short.
  • a thermal conductivity of about 0.004 to 0.008 W / mK (depending on
  • Appliances, refrigeration and logistics can be used.
  • Vacuum insulation panels based on porous thermal insulation materials, polyurethane foam boards and pressed fibers as a core material with composite films (for example aluminum composite films or so-called.
  • the lifetime is due to the diffusion of gases through the
  • the panels are not breathable.
  • Construction sites are difficult, or not possible.
  • ambient gases mainly nitrogen, oxygen, C02 and water vapor
  • Lower thermal conductivities include porous thermal insulation materials e.g. based on fumed silica (0,018 - 0,024 W / mK).
  • volatile silicon compounds such as organic and
  • Moisture absorption energy transport via water molecules take place, which can adversely affect the thermal conductivity of the system.
  • the invention is based on the object to solve the problems of the prior art, in particular the
  • the object is solved by the features of claim 1.
  • the invention relates to thermal insulation materials according to claim 1.
  • Heat insulation materials consist essentially of highly dispersed, nanoscale silicas, preferably fumed silicas, infrared opacifiers and fibers.
  • the thermal insulation materials of the invention contain no
  • Binders in the form of liquids that adhere particles are
  • Organosiloxanes during the mixing process for the production of porous thermal insulation materials the above objectives are achieved.
  • This mixture is deformable and compressible immediately after the addition.
  • the addition of low volatility organosilanes or low volatility organosiloxanes is done in liquid or gaseous state.
  • Important is an intensive, homogeneous mixing of the components, so that the reaction (hydrophobing) is guaranteed from "inside out”.
  • organosiloxanes with the silanol groups of the silica preferably takes place during the
  • reaction can, as needed, by heat or heat dissipation
  • Substances such as water, alcohols or hydrogen chloride,
  • Cleavage products of the hydrophobing process are then baked at temperatures of preferably 70 ° C to 130 ° C.
  • low volatility organosiloxanes are physically impregnated, i. the low volatility organosilanes or low volatility
  • Substantially sustainable, hydrophobic are characterized by a low, constant thermal conductivity ⁇ in a range of preferably 0.014 - 0.045 W / mK, preferably 0.015 - 0.040 W / mK, more preferably 0.018 - 0.035 W / mK, and their density in the range of preferably 20 to 500 kg / m 2, preferably 20 to 250 kg / m 3 , particularly preferably 20 to 200 kg / m 3 .
  • a preferred embodiment of the invention is the following composition: fumed silica or
  • Siliciumdioxidaerogele preferably 5-98 wt.%, Preferably 10 to 80 wt.%, Particularly preferably 20 to 70 wt.%, Turbidity preferably 3-50 wt.%, Preferably 5-45 wt.%, Particularly preferably 5-40 wt. %, finely divided inorganic further
  • Additives preferably 0-65% by weight, preferably 0-60% by weight, particularly preferably 0-50% by weight.
  • the heat insulation materials according to the invention are characterized by a continuous high hydrophobicity. That they are water-repellent, wherein the moisture absorption preferably less than 20 wt.%, Preferably less than 10 wt.%, Especially
  • the thermal insulation materials are preferably porous heat insulation materials, characterized in that the porosity ⁇ of the thermal insulation material is in a range of preferably 77% to 99%, preferably in a range of 89% to 99% and particularly preferably in a range of 91%. to 99%, wherein the pore diameter between 20 nm and 500 nm, preferably between 20 nm and 200 nm and particularly preferably between 20 nm and 100 nm.
  • the pore diameter can be obtained by means of mercury porosimetry or from gas adsorption isotherms.
  • the heat insulation materials according to the invention are characterized in that they are permeable to water vapor. Furthermore, the heat insulation materials according to the invention are characterized in that they have no flammability (fire class A). Furthermore, the heat insulation materials according to the invention are characterized in that they are preferably chemically neutral and
  • the low-volatility organosilanes or low-volatility organosiloxanes used according to the invention have the decisive advantage over conventional water repellents such as stearates, siliconates, waxes and fats, etc., that they are readily atomizable as arosol, e.g. B. by means of commercial 1-fluid nozzles, or 2-fluid nozzles, or 3-fluid nozzles, or
  • the vapor pressures of the low-volatility organosilanes or low-volatility organosiloxanes used are above 250 mbar at 20 degrees Celsius, preferably above 500 mbar at 20 degrees Celsius, particularly preferably above 1000 mbar at 20 degrees Celsius.
  • the boiling points of the low-volatility organosilanes or organosiloxanes used are preferably greater than 130 ° C at
  • Normal pressure preferably greater than 200 ° C at atmospheric pressure, more preferably greater than 500 ° C at atmospheric pressure and most preferably, the low-volatility used
  • Organosilane or organosiloxanes at atmospheric pressure not
  • the low volatility organosilanes or organosiloxanes are preferably added as finely divided arosol. As a result, an optimal distribution of low volatility organosilanes or Organosiloxanes on the porous thermal insulation mixture, guaranteed without destroying the silica structure.
  • the low-volatility organosilanes or low-volatility organosiloxanes used according to the invention have opposite
  • binders with the negative properties described below can be completely dispensed with.
  • the core material according to the invention consists of porous
  • Heat insulation materials containing as a base material preferably fumed silicas and silica airgel.
  • a base material preferably fumed silicas and silica airgel.
  • opacifiers, fibers and / or others it is preferable to use so-called opacifiers, fibers and / or others
  • volatile silicon compounds such as organic and
  • Silicas are characterized by a high porous structure. Silica aerogels are made by special
  • thermal insulation materials are compounds that can adsorb, scatter and reflect heat rays in the infrared range. They are commonly referred to as infrared opacifiers. Preferably, these have
  • Opacifier in the infrared spectral range a maximum between preferably 1.5 and 10 m.
  • Particles are preferably between 0.5 and 15 ⁇ m.
  • Such substances are preferably titanium oxides, zirconium oxides, ilmenites, iron titanates, iron oxides, zirconium silicates,
  • Silicon carbide Silicon carbide, manganese oxides and carbon black.
  • the thermal insulation materials according to the invention preferably have the following additives: precipitated silicas, fumed silicas, SiO 2 -containing flue dusts from the electrochemical
  • Fibers are used with. These fibers may be of inorganic or organic origin.
  • inorganic fibers are preferably glass wool, rock wool, basalt fibers, slag wool and ceramic
  • silica fibers are e.g. Silica fibers.
  • Organic fibers are preferably e.g. Cellulose fibers, textile fibers or plastic fibers.
  • Diameter preferably 1-12 ⁇ m, preferably 6-9 ⁇ m; Length preferably 1-25 mm, preferably 3-10 mm.
  • silicic acids obtained by leaching silicates such as calcium silicate
  • Magnesium silicate and mixed silicates e.g. Olivine (magnesium
  • Diatomaceous earth and diatomaceous earth are also used: thermally inflated minerals such as preferably perlite and vermiculite.
  • thermally inflated minerals such as preferably perlite and vermiculite.
  • finely divided metal oxides such as preferably aluminum oxide,
  • Titanium dioxide iron oxide can be added.
  • the core material not only has to repel water, but also prevent the accumulation and absorption of moisture.
  • hydrophobic silicas can not be sufficiently compacted and are not compressible, since a
  • low-volatility organosilanes are preferably
  • n and m can be 0, 1, 2, or 3 and the sum n + m is less than or equal to 3, and
  • R! a saturated or mono- or polyunsaturated, monovalent, optionally substituted by -CN, -NCO, -NR 3, -COOH, - substituted COOR 3, -halo, -Acrylic, -epoxy, -SH, -OH or -CONR 3 2 Si -C bound C1 -C20 -
  • Hydrocarbon radical preferably a Ci-Ci 8 - hydrocarbon radical, or an aryl radical, or C] _- C] _5 ⁇
  • Hydrocarbonoxy radical preferably a C 1 -Cg-
  • Hydrocarbonoxy radical more preferably a C1 -C -
  • Hydrocarbonoxy radical in which in each case one or more, non-adjacent methylene units represented by groups -O-, -CO-, -C00-, -OCO-, or -Oc00-, -S-, or -
  • R 2 is hydrogen or a saturated or mono- or polyunsaturated, monovalent, optionally with -CN, -NCO, -
  • Hydrocarbon radical preferably a C 1 -C 6 -hydrocarbon radical, or an aryl radical, or C 1 -C 4 -hydrocarbonoxy radical, preferably a C 1 -C -g- Hydrocarbonoxy radical, more preferably a C1-C4-
  • R 2 , and R 2 and R 3 may be the same or different, a C-0 bonded C ] _ Ci5 hydrocarbon radical, preferably a C ⁇ -Cg hydrocarbon radical, more preferably one C ] _-C3-hydrocarbon radical, or an acetyl radical, or a
  • Halogen radical preferably chlorine, or an OH radical, or
  • i and j can be 0, 1, 2 or 3 and the sum of i + j is 3 and
  • Y may be the group NH or -O-, with the proviso that the boiling points of the used
  • organosilanes greater than 130 ° C at atmospheric pressure, preferably greater than 200 ° C at atmospheric pressure, more preferably greater than 500 ° C at atmospheric pressure or very particularly
  • the low-volatility organosilane used can not be vaporized without decomposition at atmospheric pressure.
  • the blocks can be contained in any mixtures, used, with the proviso that the boiling points of the low-volatility organosiloxanes used are greater than 130 ° C at atmospheric pressure, preferably greater than 200 ° C at atmospheric pressure, more preferably greater than 500 ° C at atmospheric pressure or all
  • the low-volatility organosiloxanes used can not be vaporized without decomposition at atmospheric pressure
  • R 1 , R 2 , R 3 and X have the abovementioned meaning and may each be identical or different, and and a and b may be 0, 1, 2 or 3, with the proviso that the sum a + b is the same 3 is.
  • chain-like organopolysiloxanes Preferably, chain-like organopolysiloxanes
  • Building blocks of the general formula III-b preferably 1 to 50,000 building blocks of the general formula III-b, more preferably 1 to 10,000 building blocks of the general formula III-b, and
  • R 1 preferably methyl and X preferably -OCH 3 or -OH.
  • the kinematic viscosity of the chain-shaped organosiloxanes measured at 25 ° C. is preferably 1 mm 2 / s to 100000 mm 2 / s, preferably 2 mm 2 / s to 50 000 mm 2 / s and particularly preferably 5 mm 2 / s to 10000 mm 2 / s.
  • Organopolysiloxanes used consisting of preferably 2 blocks of the general formula IIIa and preferably 1 to 100,000 building blocks of the general formula IIIb and preferably 1 to 500 building blocks of the general formula III-d, preferably 1 to 50,000 building blocks of the general formula IIIb and
  • general formula III-d and very particularly preferably 1 to 5,000 building blocks of the general formula III-b and 1 to 100 building blocks of the general formula III-d, where R 1 is preferably methyl and R 2 is preferably -CH 2 -CH 2 -CH 2 -H 2 or -CH 2 Is -CH 2 -CH 2 -NH-CH 2 - CH 2 -NH 2.
  • Organopolysiloxanes so-called silicone resins, used, which are preferably those which are blocks of the
  • Building blocks of the general formula III-c and building blocks of the general formula III-b contain, particularly preferably with Rl is methyl.
  • the low-volatility organosilanes or organosiloxanes can be used neat or in any desired mixtures.
  • Volatile organosiloxanes depend on the specific surface area (BET surface area) of the silicas, their proportion of the mixture and the nature of the silanes.
  • the amount added is preferably between 0.5-20% by weight, preferably between 1 and 10% by weight.
  • the silanes are added during the preparation of the mixture, preferably in liquid form, and it is necessary for intimate mixing of the individual components to take place.
  • porous thermal insulation materials can generally take place in various mixing units.
  • planetary mixers are preferably used.
  • Fiber pulping is the addition of most of the
  • the flowability of the resulting porous mixture is very good, so that they are easily and homogeneously pressed into plates u. a. also z. B. can be filled in the cavities of hollow bricks and pressed. When pressing to plates, can be fixed on certain plate thicknesses, over the
  • VTP vacuum insulation panels
  • ETICS thermal insulation composite systems
  • Another object of the invention are moldings,
  • Moldings, building blocks, building systems and building composite systems consist of the heat insulation partially or completely.
  • hydrophobic, porous thermal insulation takes place according to the invention in building bricks.
  • Hollow blocks are components that have one or more
  • Embodiments are wall blocks, floor slabs, and
  • Styrofoam foam or perlite foam can be filled (DE 3037409 AI and DE-OS 2825508). These components are referred to as hollow blocks with integrated thermal insulation. Hollow blocks with integrated thermal insulation have the advantage that the brick house character is retained during construction. The use of these hollow building blocks with integrated
  • Thermal insulation should in masonry a particularly high thermal insulation and a favorable water vapor permeability and hardly
  • the insulation materials in these hollow blocks with integrated thermal insulation can be both organic and inorganic
  • foamed polystyrene particles preferably used.
  • the foamed plastic particles are on the surface, with the release of gas-permeable spaces, connected and anchored.
  • the preparation is carried out by filling the cavities with a bed of styrene granules and subsequent foaming with hot gases, primarily water vapor.
  • Thermal insulation ability The disadvantage is the combustibility of the organic components of these components. Likewise, the ability to absorb heat by absorbing water / moisture decreases significantly over time.
  • inorganic materials for hollow building blocks with integrated thermal insulation preferably foamed perlite and
  • Vermiculite is used. Foamed perlites are preferably used which are treated with binders such as aqueous dispersions based on vinyl acetate and acrylic vinyl acetate copolymers
  • a setting and solidification of the perlite can also be done with alkali water glasses as a binder. This process results in core materials that are highly alkaline, water-attracting and result in efflorescence. In addition, the already inadequate heat insulation properties are further reduced.
  • silica sol as
  • Binder leads to a poorly consolidated insulation material with high water absorption and poor
  • thermo insulation materials in hollow bricks the thermal insulation properties of these stones are significantly improved and sustainably maintained at a high level.
  • the corresponding thermal insulation materials can be pressed to dimensionally accurate plates and into the chambers of the
  • Hollow blocks are integrated, but it can also be filled with low volatility silanes or low volatility organosiloxanes mixture is injected into the chambers of the blocks and pressed by pressing aids directly into the chambers.
  • dimensionally accurate plates can be made from previously manufactured
  • Adhesive foams or adhesives are Adhesive foams or adhesives.
  • one or more hollow chambers can also be used without
  • Rutile particle size about 10 ⁇
  • Aminopolydimethylsiloxane amine number 3, kin viscosity at 25 ° C 30 mm 2 / s)%) 2 wt.%
  • the finished mixture 312 g were removed and to a
  • This shaped body was then heated at 150 ° C. for 60 minutes.
  • the components were mixed for 5 minutes in the same mixing unit as (A). 344 g of the mixture was pressed into a molded article having the same external composition as (A) and then heated at 150 ° C. for 20 minutes.

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicon Compounds (AREA)

Abstract

L'invention concerne des isolants thermiques qui ne présentent aucun liant sous forme de liquides, qui agglutinent des particules et qui sont traités par des organosilanes ou des organosiloxanes peu volatils, dont les points d'ébullition sont supérieurs à 130°C sous la pression normale, la conductibilité thermique λ étant comprise entre 0,014 et 0,040 W/mK, et la densité se situant dans une plage comprise entre 50 et 300 kg/m3.
PCT/EP2010/068876 2009-12-11 2010-12-03 Isolation thermique hydrophobe WO2011069923A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/515,201 US20120286189A1 (en) 2009-12-11 2010-12-03 Hydrophobic Thermal Insulation
EP10784321A EP2509926A1 (fr) 2009-12-11 2010-12-03 Isolation thermique hydrophobe
KR1020127017668A KR101456596B1 (ko) 2009-12-11 2010-12-03 소수성 단열 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009054566A DE102009054566A1 (de) 2009-12-11 2009-12-11 Hydrophobe Wärmedämmung
DE102009054566.2 2009-12-11

Publications (1)

Publication Number Publication Date
WO2011069923A1 true WO2011069923A1 (fr) 2011-06-16

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Application Number Title Priority Date Filing Date
PCT/EP2010/068876 WO2011069923A1 (fr) 2009-12-11 2010-12-03 Isolation thermique hydrophobe

Country Status (5)

Country Link
US (1) US20120286189A1 (fr)
EP (1) EP2509926A1 (fr)
KR (1) KR101456596B1 (fr)
DE (1) DE102009054566A1 (fr)
WO (1) WO2011069923A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140150242A1 (en) * 2011-07-27 2014-06-05 Evonik Degussa Gmbh Method for producing hydrophobic, heat-insulating mouldings
WO2014118030A1 (fr) * 2013-01-31 2014-08-07 Basf Se Matériau composite contenant des particules nanoporeuses
EP2982660A1 (fr) 2014-08-08 2016-02-10 Evonik Degussa GmbH Procédé de fabrication d'un corps de moulage d'isolation thermique hydrophobe
JP2016506478A (ja) * 2012-10-26 2016-03-03 エボニック デグサ ゲーエムベーハーＥｖｏｎｉｋ Ｄｅｇｕｓｓａ ＧｍｂＨ 断熱性混合物の製造法
WO2018019599A1 (fr) 2016-07-29 2018-02-01 Evonik Degussa Gmbh Procédé pour la fabrication d'un matériau hydrophobe, thermo-isolant
CN108101500A (zh) * 2017-12-06 2018-06-01 吕莉 一种高强度蜘蛛丝复合二氧化硅气凝胶的制备方法
WO2018210605A1 (fr) * 2017-05-17 2018-11-22 Evonik Degussa Gmbh Plaque d'isolation thermique à noyau hydrophobe présentant une surface durcie
EP3428135A1 (fr) 2017-07-14 2019-01-16 Evonik Degussa GmbH Matériaux calorifuges à base d'acides siliciques hautement épaississant
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EP3428135A1 (fr) 2017-07-14 2019-01-16 Evonik Degussa GmbH Matériaux calorifuges à base d'acides siliciques hautement épaississant
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CN108101500A (zh) * 2017-12-06 2018-06-01 吕莉 一种高强度蜘蛛丝复合二氧化硅气凝胶的制备方法
CN110698101A (zh) * 2019-10-22 2020-01-17 天津大学 一种红外遮蔽涂层改性纤维增强气凝胶隔热材料及其制备方法
CN110698101B (zh) * 2019-10-22 2021-11-02 天津大学 一种红外遮蔽涂层改性纤维增强气凝胶隔热材料及其制备方法

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DE102009054566A1 (de) 2010-11-11

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