EP2576473A2 - Mélange de substances ignifuge - Google Patents

Mélange de substances ignifuge

Info

Publication number
EP2576473A2
EP2576473A2 EP11784922.4A EP11784922A EP2576473A2 EP 2576473 A2 EP2576473 A2 EP 2576473A2 EP 11784922 A EP11784922 A EP 11784922A EP 2576473 A2 EP2576473 A2 EP 2576473A2
Authority
EP
European Patent Office
Prior art keywords
material mixture
perlite
mixture according
water
fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11784922.4A
Other languages
German (de)
English (en)
Inventor
Peter O. Glienke
Karl Peter Schlichting
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kerapor GmbH
Original Assignee
Kerapor GmbH
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 Kerapor GmbH filed Critical Kerapor GmbH
Publication of EP2576473A2 publication Critical patent/EP2576473A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/18—Polyesters; Polycarbonates
    • 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
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/14—Minerals of vulcanic origin
    • C04B14/18—Perlite
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/02—Inorganic 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

Definitions

  • the present invention relates to a fire-retardant material mixture of mineral and / or organic substances, synthetic and / or natural polymers or a combination of these substances and polymers, which are preferably formed as thermoplastic and / or thermosetting molded parts (moldings), wherein at least
  • An inorganic and / or organic filler or a combination of these fillers is provided and which releases / r in effects of high temperatures from approximately 250 ° C water or water vapor.
  • material mixture all material mixes, hybrid materials and material composites are understood below,
  • Fire-retardant flame retardants are already known from the prior art, based on the release of chemically bound 0 water in the form of water vapor, which on the one hand extracts energy from the fire (evaporation heat) and thus cools the reaction, on the other hand by the water vapor atmosphere formed Supply of oxygen stops.
  • halogen-containing materials, organic compounds or inorganic fillers are used.
  • Halogen-containing flame retardants in plastics have a good effect, but, in addition to the high density, have the decisive disadvantage that they release toxic and corrosive chlorine and bromine compounds in the event of a fire, especially in the case of a long-lasting fire.
  • some of the halogenated flame retardants are carcinogenic or mutagenic. To eliminate these disadvantages, halogen-free and nitrogen-containing flame retardants have already been used, for example.
  • CONFIRMATION COPY Melamine or Melamincyanura ⁇ e (DE-OS 2740092). In the event of fire, these remove heat from the plastic by melting, sublimation or decomposition and separate off incombustible, non-toxic and non-corrosive gases.
  • the melamine has, among other things, the disadvantage that it tends to bloom during the processing of the plastics, as a result of which it partially migrates on the surface and forms a disturbing coating. Melamine cyanate tends to sublime during incorporation, with the plastic foaming somewhat.
  • halogen-containing and phosphorus-containing flame retardant aluminum hydroxide as a non-toxic product for flame and smoke suppression at a higher temperature, magnesium hydroxide as inexpensive, non-toxic flame retardant for Thermoplastics and temperature-resistant thermosets, as well as magnesium hydroxide as a flame retardant and color pigment for thermosets and thermoplastics, Hydromagesesit to improve the flame and smoke retardation and ammonium polyphosphate as halogen-free fire retardant, which may have the same function as a filler.
  • thermoplastic and / or thermosetting polymers as polymer matrix, with the addition of organic fillers, such as.
  • organic fillers such as.
  • wood fibers, wood flour and wood chips and other natural fibers and flours serve moldings in addition to their property as a cheap filler in case of fire by coking in the polymer as a flame retardant.
  • fillers serves to partially replace the expensive polymers, so that the moldings can be made cheaper and / or the performance characteristics and / or the physical properties of the moldings are improved.
  • fillers calcium carbonate, magnesium carbonate, talcum, barium sulfate, kaolin and others more (Glasförstaesterte Kunscher, PH Seiden, Ed., Springer-Verlag, Berlin, 1967.)
  • Almost all molded articles made of thermoplastic and or thermosetting polymers are more or less flammable or have no "breakdown resistance" against the action of flames in a fire, this is especially true for molded articles containing thermoplastic polymers the effects of fire.
  • these halogen-containing, phosphorus-containing, chlorine-containing, nitrogen-containing, intumescent and inorganic flame retardants are added, wherein the inorganic flame retardants simultaneously as non-combustible fillers Use in order to reduce the proportion of combustible polymers in the moldings.
  • the present invention is based on the object to provide a fire retardant which eliminates the aforementioned disadvantages of known fire retardants. Furthermore, the present invention is based on the object by adding one or more fillers with a proportion of a few wt .-% in the moldings and / or replacement of conventional inorganic fillers with a proportion ⁇ 90 wt .-% in the thermoplastic and or thermoset moldings, their dimensional stability under fire conditions and thus at temperatures> 800 ° C to increase and significantly reduce flammability. In addition, this filler should not release toxic fission products even under extreme temperature conditions.
  • a fire retardant material mixture of the type mentioned above is characterized in that it is at least one filler or the combination of such fillers designed such that the release of water or water vapor takes place in defined and / or differentiated temperature ranges.
  • Perlite belongs to the group of volcanic Ryolite or Quarzporphyrgläser. It is a natural glass, which originated from lava and cooled very quickly in contact with water or water vapor and simultaneous strong pressure.
  • Raw perlite unblooded perlite, also called pearl stone
  • Blown perlite has a pore structure with many closed pores, whose pore walls, so cell walls, are permeable porous.
  • the specific bulk density of expanded perlite is depending on the size of the unexpanded Perlitkornfr quasien and the original water content between 40 to 350 kg / m 3 at starting grain sizes from 50 to 3000 ⁇ .
  • Perlite is as rock and also in blown form incombustible.
  • the melting point of perlite is around 1400 ° Celsius.
  • the grain size of unexploded pearlite fractions is usually at 300 mm.
  • the materials known as perlite dust or crude perlite dust are on average below 150 ⁇ , but with> 1% significantly larger particles with> 150 mm. With suitable grinding, swelling and screening processes, the crude perlite / pearlite dust can be produced down to the nanometer range.
  • the preferred particle size for the present applications is in the range of 0.1 ⁇ to 250 ⁇ .
  • puffed perlite has, depending on the shape and starting grain size of the ground crude perlite, an irregular, spherical shape and a grain size between 500 and 6000 ⁇ and a pore volume of 95 percent by volume,
  • the moisture content is less than 0.5 wt .-%.
  • Puffed perlite can absorb up to 50% by weight of water or the pores can be filled with liquid preparations or stored in the pores,
  • perlite When blown perlite is ground, for example used for filter aids, it is in the form of porous powder or in the form of irregularly shaped porous flakes whose structure can be compared with cellulose fibers.
  • the bulk densities of such perlite powders or pearlite flakes are between 50 and 350 kg / m 3 .
  • the chemical composition of perlite without regard to the proportion of stored water in the rock, can be stated as follows. Due to the different deposits, these are only guideline values. Chemical composition of perlite in% by weight:
  • Perlite is thus an aluminum silicate with a proportion of more than 60% silica.
  • finely ground and / or sifted, unbleached perlite rock flour is used as a filler whose water content bound in the rock is preferably> 1% by weight.
  • the particle size of the unexpanded pearlite rock meal and / or of other mineral and / or organic substances contained is preferably smaller than the particle size of the expanded pearlite particles, irrespective of whether they are in unbroken spherical and / or bead form and / or broken and / or faced - Teunregelcreate shaped particles are present.
  • the inventive addition of unblouded perlite and / or in admixture with expanded perlite in the moldings, which are formed with thermoplastic and / or thermosetting polymers, ensures that their dimensional stability as a function of the additional amounts unier heat and / or significantly increases heat and reduces the flammability.
  • the unexpanded perlite expands to form an incombustible shield.
  • the resulting structure of blown perlite which is stable up to around 1400 ° C, counteracts the penetration of open flames. It has been found that even an addition of> 3 wt .-% unblouded perlite in the form of perlite powder or perlite dust with a particle size ⁇ 1000 ⁇ leads to this effect.
  • the properties of the molded body can be adjusted in case of fire and extreme heat, the release process starts here at 700 ° C and deprives the fire the required Energy, the water suppresses the formation of flue gas and the resulting ceramic layer prevents the further spread of the fire.
  • this process can be enhanced by materials that can themselves form ceramic layers; Here, silicon carbide and zirconium oxide may be mentioned.
  • the increase in the release of water can be accelerated by the addition of alkaline earth salts, for example calcium carbonate.
  • Borax and soda are further examples of superplasticizers that accelerate the Kermmaschines bin or the formation of Fitte. In the fire protection formulation this leads to an accelerated flame retardation.
  • thermoplastics have a low melting temperature, whereby they become liquid in the event of fire and drain from the molding. This behavior reduces the fire classification.
  • expanded perlite to the above formulation increases structural integrity and prevents rapid dripping and improves fire classification. Both types can be made to any size, By mixing both types, one can also improve the rheology of the composite.
  • expanded perlite reduces the density of the material.
  • This can be combined with other porous materials.
  • Particularly noteworthy here are kieselguhr / diatom earth, tuff, pumice and natural and / or synthetic zeolites and Metal Organic Frameworks (MOF).
  • the application is possible with all plastics that already contain fillers or minerals today.
  • the combination of expanded and unblooded pearlite makes it possible to develop flame retardant and lightweight plastic components.
  • the expanded and unexpanded pearlite and the other aggregates can be incorporated in different particle sizes in the plastic.
  • Crucial is the upper grain (maximum grain size), it has to be as precise as possible to be able to set the improvement exactly.
  • the optimum smallest particle size must be selected, since even smaller particle sizes can further increase the viscosity and thus negatively affect the processing.
  • the perlite contained according to the invention has a particle size ⁇ 1000 ⁇ , better a particle size ⁇ 250 ⁇ , preferably ⁇ 100 ⁇ , more preferably ⁇ 50 ⁇ , most preferably 0, 1 to 10 pm.
  • the minerals contained in the fire protection composition have a relatively high intrinsic porosity, which is important for the function of the fire protection composition in case of fire. Accordingly, it is advantageous in the invention to use minerals of volcanic origin. Such volcanic minerals either already have a correspondingly high porosity or developed this porosity when they are exposed (as in the case of fire) to higher temperatures (intuminescent). The best known representative of intumescent materials is expanded graphite. Such minerals of volcanic origin are in particular the so-called perlite or tuff.
  • zeolites are crystalline alkali or alkaline earth metal aluminosilicates whose crystal lattices are composed of SiO 4 and AlO 4 tetrahedra linked by oxygen bridges. This results in a spatial arrangement of identical cavities that are accessible via pore openings or channels.
  • Such a crystal lattice can act as a sieve, which absorbs molecules with a smaller cross section than the pore openings in the cavities of the lattice, while larger molecules can not penetrate.
  • Zeolites are therefore often called molecular sieves.
  • its pore size is basically not critical. Zeolites and molecular sieves can absorb water and give off again when heated and without changing their crystal structure. It was not until very high temperatures> 200 0 C is by the release of water of crystallization further compacting orientation held at which the crystal structure is changed. It has been found that the long-term stability of the fire-resistant composition according to the invention is improved by the addition of water-storing components. Teln, which in principle also non-porous, crystalline water-containing substances such as Borax belong, are positively influenced.
  • At least one natural and / or synthetic zeolite loaded with water and / or containing water of crystallization is contained, wherein the natural and / or synthetic, water-laden and / or crystalline water-containing zeolite at a given , defined temperature effect releases water, preferably at a temperature> 200 ° C.
  • compositions show a fire protection effect even at comparatively low temperatures.
  • the expansion temperature of the perlite is also lowered.
  • a closed inorganic layer forms, which prevents the spread of fire.
  • a flame retardant is needed, which already starts at about 200 0 C.
  • zeolites and organic water reservoirs MOFS
  • MOFS Metal Organic Frameworks
  • This process can be adjusted to different reaction temperatures via a suitable choice of zeolites or MOFS.
  • the temperature range starts at 200 ° C.
  • these new fillers / flame retardants release no toxic cleavage products as an alternative to known flame retardants.
  • zeolites can also be used as lightweight filler in plastics. These systems already have a relatively low density because of their high porosity. These can be further reduced by selecting especially high-volume zeolites.
  • the death volume is the volume inside the zeolite that can not be filled with any other substance.
  • MOFs metal-organic flame retardants
  • unbleached perlite formulation as well as zeolites further reduces the tempering temperature.
  • Unloaded systems are highly porous and can be used as structure modifiers and for density reduction.
  • the formulations can be combined with other flame retardants.
  • flame retardants Of particular note here are the phosphate-based organic and water-releasing inorganic flame retardants.
  • the invention further includes the use of thermoplastic and / or thermosetting polymers as Potymermatrix and / or as a forming binder in fire-retardant, fiber-reinforced composites.
  • the fibers may be of synthetic (eg glass, carbon and aramid) as well as natural (eg wood grain, wood shavings, cork flour, hemp fiber, coconut fiber, coir fiber pith, cocoa shells) origin.
  • the invention further includes the composition and preparation of the additives according to the invention for the aterial composites based on unbleached / expanded perlite, zeolites and metal organic frameworks (MOFS), kieselguhr / diatomaceous earth, pumice, tufts, which are loaded with water are also in combination with known flame retardants. Furthermore, the invention allows by loading the zeolites and Metal Organic Frameworks with appropriate amounts of water, the adjustment of the temperature at which the flame retardant effect begins.
  • MOFS metal organic frameworks
  • thermoplastic and thermoset molded parts without the pressure and dimensional stability of the moldings is significantly impaired.
  • This is achieved by the use of expanded perlites and / or unexploded perlites and / or zeolites and / or MOFs and / or diatomaceous earths which are not loaded with water or their combinations.
  • the rheological behavior of the molding compositions can be influenced by combinations of non-expanded perlites with different particle sizes and or combinations of expanded perlites and / or zeolites and / or MOFs and / or diatomeric earths with different particle sizes and mixtures of expanded and unexpanded perlites with different particle sizes.
  • blown perlite particles and / or zeolite particles and / or MOFs which have been loaded with fire protection agents and / or coated and / or surface-treated. Mr. Limbeck: Such a passage already exists under [0032] ??
  • the teaching of the invention is used for the production of fire-retardant lightweight products.
  • Weight reduction in plastic moldings is usually achieved by the addition of glass bubbles or ceramic microspheres. These fillers have a density of 0.15 to 1 .1 g / cm 3 and a particle size of 20 to 100 prn. This particle size limits the use in so-called visible parts.
  • glass bubbles or ceramic microspheres In addition to the size of the usually thin wall of the glass bubbles in the processing of the composite material is an obstacle, as they break easily and filled with polymer, whereby the density of the material increases and thus the calculated weight of the finished plastic part is no longer true.
  • Another disadvantage of glass beads is the poor adhesion of the plastic to them (SMC, Sheet molding compounds: Scienec and Technology ed. Hamid G. Kia, Karl Hanser Verlag Kunststoff, 1993).
  • At least one natural and / or synthetic superabsorbent polymer is contained, the SAP being present as hydrogel composite and / or hydrogel hybrid material having a mineral content of at least 5% by weight.
  • an alkaline earth compound can be contained which uses the sintering or eramization temperature, the at least one alkaline earth compound releasing water and / or CO.sub.2 at a temperature of> 220.degree. 8. magnesite)
  • additional fire retardants preferably water-releasing, inorganic metal hydroxides or phosphates are used, for example.
  • At least one highly porous, laden with liquids and / or loaded polymer is included, wherein the polymers contained are preferably loaded with fire and / or flame-retardant and / or coated.
  • thermoset molding compound examples include a resin / hardener combination, fillers and reinforcing fiber.
  • thermosetting molding compositions are used in the field of unsaturated polyester resins.
  • These resins are solutions of unsaturated polyesters in copolymerizable monomers, preferably in styrene.
  • the unsaturated polyester usually consists of condensation products of polybasic, in particular dibasic, carboxylic acids and their esterifiable derivatives, in particular especially their anhydrides, which are linked to polyhydric, especially dihydric alcohols by means of esterification. If appropriate, these may additionally contain radicals of monohydric carboxylic acids or monohydric alcohols, it being necessary for at least some of the starting materials to have ethylenically unsaturated, copolymerizable groups.
  • Preferred unsaturated polyesters are those based on maleic anhydride and ortho-phthalic acid on the one hand and propylene glycol and / or dipropylene glycol on the other hand.
  • the unsaturated polyester resins generally comprise a thermoplastic, such as polystyrene, polymethyl methacrylate, saturated polyesters or polyvinyl acetate as the antishrinking component, an alkaline earth metal hydroxide or oxide as thickening agent, tin stearate or calcium stearate as release agent and fillers, such as chalk and in the examples according to the invention, in particular perlite in expanded and unexploded form, and zeolites and MOFs in amounts of from 30 to 350 and combinations thereof.
  • a thermoplastic such as polystyrene, polymethyl methacrylate, saturated polyesters or polyvinyl acetate as the antishrinking component, an alkaline earth metal hydroxide or oxide as thickening agent, tin stearate or calcium stearate as release
  • the resins contain conventional inhibitors and peroxide catalysts which trigger the cure.
  • the reinforcing agents used are glass fibers in amounts of from 0 to 60% by weight.
  • the mixtures can be used to make SMC or BMC masses.
  • SMC (sheet molding compound) compounds are flat semi-finished products made of glass-fiber-reinforced, filled polyester resins, which are shaped and hardened in a press.
  • Bulk molding compound (BMC) compositions are filler and short fiber reinforced polyester resins that are injection molded.
  • the molding compositions are produced in industrial mixing plants and plants for the production of semi-finished products.
  • the processing of these semi-finished products can be carried out by all relevant methods, e.g. by injection molding, pressing or injection molding.
  • the constituents (AI 2 O 3, ZrO 2, SiC) designated hard fillers are preferably present in amounts of between 1 and 50% by weight, in particular of 5 to 15% by weight.
  • the particle size of these fillers is chosen as low as possible. It is advantageous if the hard fillers have a D-50 value of ⁇ 200 nm, preferably ⁇ 50 nm in the fire protection composition. In this case, the particle size can be reduced as much as possible, with D-50 values ⁇ 20 nm are particularly noteworthy.
  • Example 1 describes a molded article which is produced with the thermoplastic polymer polypropylene, with admixture of wood flour and crude perlite, with a particle size of between 60 and 100 ⁇ m, that is to say as a shaped article which can be classified as WPC (Wood Plastic Composite) is.
  • WPC Wood Plastic Composite
  • This homogeneous, free-flowing compound was sprayed onto test plates on conventional thermoplastic injection molding machines under the processing conditions required for WPC.
  • the test panels had a dimension of 100 x 300 mm and a thickness of 10 mm.
  • the mechanical strength values were significantly higher than the values which comparable shaped bodies have without the addition of unbound perlite.
  • the moldings had a storage at 200 ° Celsius, over a Ten hours, increased dimensional stability and were self-extinguishing when exposed to open flame with temperatures above 1200 ° Celsius. Further, charring occurred, which was associated with scaffolding that made it impossible for the flame to penetrate the test panel for a thirty-minute exposure time. When the flame temperature was increased to about 1500 ° C., it could be seen that the ohperlite contained in the molded body blew and led to the formation of a glassy structure in the molded body.
  • Example 2 The composition of the molding according to Example 1 was changed to the effect that instead of nine wt .-% crude perlite, a mixture of five wt .-% unbearable crude perlite with the same particle size distribution, as described in Example 1, and four wt .-% broken, puffed perlite with a particle size between 100 ⁇ and 300 pm was incorporated.
  • the test plates produced therefrom by the thermoplastic injection molding process exhibited significantly increased mechanical strengths and showed almost identical behavior in the identical tests under elevated temperatures and under the influence of open flames.
  • inventions 3 to 6 show, by way of example, further preferred embodiments of the shaped bodies according to the invention, which can be formed predominantly in the thermoplastic extrusion process or in the thermoplastic injection molding process and / or by compression under the effect of temperature and pressure.
  • thermoplastic polymer in Examples 3 to 6 polypropylene was used in a commercially available Recyclat21.
  • thermoplastic polymers with thermosetting polymers and / or to use thermoplastic polymers in combination with thermosetting polymers.
  • the technique of forming the moldings for the shaped bodies according to the invention depends on the polymers used, which are either the Fulfill the function of a polymer matrix and / or serve as a binder and / or adhesive for forming the shaped bodies according to the invention.
  • natural polymeric compounds and / or polymer derivatives which are based on natural polymers, such as, for example, lignin.
  • Shaped body formed in the extrusion process according to Example 3 are very inexpensive to manufacture, are virtually non-combustible and have a very high dimensional stability even at continuous load at temperatures above 180 ° C.
  • Example 4 shows the composition of a molded article of the invention, which was prepared by using heat and pressure in the pressing process.
  • Such moldings especially in the form of plates, can be used as lightweight panels due to the low density and are also characterized by good fire protection properties.
  • Example 5 The wood flour in the composition of Example 1 was completely replaced by Coir Fiber Pith. The formed with this composition moldings are characterized by increased mechanical strength and had a significantly lower water absorption and thickness swelling when stored in water. In addition, the fire protection properties have also been improved.
  • Example 6 Another exemplary embodiment and development of the invention results from Example 6 for the composition of a fire protection board.
  • Example 6 Another exemplary embodiment and development of the invention results from Example 6 for the composition of a fire protection board.
  • the magnesium lignosulfonate solution used in Example 6 contains, due to the high lignin content, the polymer required for the formation of form as a lignin complex.
  • Lignin is a natural polymeric compound with limited thermoplastic processing properties and thermoset material properties.
  • the material mixture according to the invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a variety of design variations are possible, which make use of the solution shown even with fundamentally different type of execution.

Abstract

L'invention concerne un mélange de substances ignifuge composé de substances minérales et/ou organiques, de polymères synthétiques et/ou naturels ou d'une combinaison de ces substances et polymères de préférence conçus comme éléments moulés thermoplastiques et/ou duroplastiques. Au moins une charge inorganique et/ou organique ou une combinaison de ces charges étant prévue, celle-ci libérant de l'eau ou de la vapeur d'eau sous l'effet de températures élevées. Le mélange selon l'invention est caractérisé en ce qu'au moins une charge ou la combinaison de charges est constituée de telle manière que la libération de l'eau ou de la vapeur d'eau a lieu dans des plages de température définies et/ou différenciées.
EP11784922.4A 2010-05-26 2011-05-25 Mélange de substances ignifuge Withdrawn EP2576473A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010021629 2010-05-26
PCT/DE2011/001149 WO2012019578A2 (fr) 2010-05-26 2011-05-25 Mélange de substances ignifuge

Publications (1)

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EP2576473A2 true EP2576473A2 (fr) 2013-04-10

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EP (1) EP2576473A2 (fr)
DE (1) DE112011104289A5 (fr)
WO (1) WO2012019578A2 (fr)

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DE102012020839A1 (de) 2012-10-24 2014-04-24 Jackon Insulation Gmbh Herstellung von XPS-Schaumplatten großer Dicke durch Schweißen
CH708688B1 (de) * 2013-10-14 2017-08-31 Adt Aero Dämm Technik Gmbh Stabiler Formkörper als Brandschutz und/oder Wärmedämmung und Leichtbauplatte mit einem solchen, Herstellverfahren und Verwendung davon sowie Bauwerk enthaltend einen stabilen Formkörper oder eine Leichtbauplatte.
DE102018003153A1 (de) * 2017-07-20 2019-01-24 Marlene Schlayer Mit Naturfasern verstärkter Kunststoff, Bauteil aus einem naturfaserverstärkten Kunststoff, Granulat aus einem naturfaserverstärkten Kunststoff, Verfahren zur Herstellung eines naturfaserverstärkten Kunststoff
CN111233373A (zh) * 2020-02-25 2020-06-05 清远戈兰迪高分子材料有限公司 一种防霉建筑材料及其制备方法、卫浴产品
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CN113943486A (zh) * 2021-10-26 2022-01-18 杭州博源电力设备有限公司 一种电缆封堵材料及其制备方法
CN115260721B (zh) * 2022-07-15 2023-11-21 苏州卓聚新材料科技有限公司 一种用于3d打印的阻燃可降解复合材料及其制备方法
CN115652639A (zh) * 2022-10-13 2023-01-31 河北钢铁集团矿业有限公司 一种用于建筑膜材的高性能复合工业气膜及其制备方法

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