EP4051730A2 - Flammhemmende thermoplast-zusammensetzung, formkörper erhalten aus der thermoplast-zusammensetzung, verbundbaukörper enthaltend die thermoplast-zusammensetzung und/oder den formkörper und verwendung der thermoplastischen zusammensetzung, des formkörpers und des verbundbaukörpers - Google Patents
Flammhemmende thermoplast-zusammensetzung, formkörper erhalten aus der thermoplast-zusammensetzung, verbundbaukörper enthaltend die thermoplast-zusammensetzung und/oder den formkörper und verwendung der thermoplastischen zusammensetzung, des formkörpers und des verbundbaukörpersInfo
- Publication number
- EP4051730A2 EP4051730A2 EP20800815.1A EP20800815A EP4051730A2 EP 4051730 A2 EP4051730 A2 EP 4051730A2 EP 20800815 A EP20800815 A EP 20800815A EP 4051730 A2 EP4051730 A2 EP 4051730A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- thermoplastic composition
- shaped body
- thermoplastic
- component
- 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- Withdrawn
Links
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- 244000025254 Cannabis sativa Species 0.000 claims description 4
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- 239000004760 aramid Substances 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
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- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 4
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- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 4
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- 238000010894 electron beam technology Methods 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
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- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
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- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 description 1
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical class [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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Definitions
- thermoplastic composition Flame-retardant thermoplastic composition, molded body obtained from the thermoplastic composition, composite structural body containing the thermoplastic composition and / or the molded body and use of the thermoplastic composition, the molded body and the
- the present invention relates to a flame retardant thermoplastic composition.
- the invention also relates to a molding obtained or obtainable from the thermoplastic composition according to the invention.
- the invention also relates to a composite structure containing the thermoplastic composition according to the invention and / or the molding according to the invention and the use of the thermoplastic composition according to the invention, the molding according to the invention and the composite structure according to the invention.
- Plastics are used in many different ways in everyday life as well as in technically sophisticated products. This also applies in particular to thermoplastics.
- Thermoplastic plastics are characterized by the fact that they can be converted into a molten state by heating them without the polymer material being destroyed or fundamentally changed in the process. This property is used to shape molded bodies with a wide variety of geometries from these materials with the aid of suitable tools. After cooling, the thermoplastic material retains this shape. This process can usually be repeated as often as required.
- Thermoplastic plastics are generally combustible or flammable due to their carbon backbone, which is why moldings made from these materials are usually equipped with fire-retardant or flame-retardant agents. For a long time, compounds containing phosphorus and halogen have been used as flame retardants or fire retardants in thermoplastic polymers.
- thermoplastic molding compositions containing 55 to 97% by weight of a polycarbonate, 1 to 25% by weight of a special polysiloxane-polycarbonate, 1 to 10% by weight of an impact modifier and 1 to 10% by weight.
- EP 1 791 902 Bi relates to molding compositions containing A) 20 to 97% by weight of an unbranched thermoplastic polyamide, B) 1 to 30% by weight of special phosphinic acid salts and / or diphosphinic acid salts, C) 1 to 40% by weight of a nitrogen-containing flame retardant combination of C 1 ) 0.1 to 25% by weight of melamine cyanurate and C 2 ) 0.1 to 25% by weight of a reaction product of melamine with phosphoric acid or condensed phosphoric acids and D) 0.1 to 10% by weight at least one metal compound selected from the group consisting of ZnO, ZnS, TiO 2, MgCO 3, CaCO 3, zinc borate, CaO, MgO, Mg (OH) 2, TiN, boron nitride, Mg 3 N 2, Zn 3 N 2, Zn 3 (PO 4 ) 2 , Ca 3 (PO 4 ) 2 , calcium borate and magnesium borate. According to EP 1 791 902 Bi, adequate flame protection for polyamide
- thermoplastic molded body with a suitable flame retardant or fire retardant which is optimal for the particular intended use is nevertheless still not easily available to the person skilled in the art, in particular if phosphorus-containing and halogen-containing flame retardants are to be dispensed with.
- plastic materials are increasingly replacing metal components, for example for reasons of cost or to reduce weight.
- Such thermoplastic molded bodies are sometimes exposed to thermal loads, and not infrequently also to permanent thermal loads, for example when used under the hood, which make particularly high-quality flame or fire protection absolutely necessary. It would be desirable to be able to use thermoplastic moldings which are not or only very difficult to ignite in the event of a fire.
- the present invention was therefore based on the object of arriving at moldings made of thermoplastic polymers that are very flame-retardant and / or very flame-retardant.
- the present invention was based on the object of making moldings made of thermoplastic polymers accessible that can be used permanently under thermally demanding conditions without presenting a fire risk.
- a flame-retardant thermoplastic composition formed from or containing a) at least one thermoplastic polymer with a glass transition temperature T G according to DIN EN ISO 11357-2: 2013-09 less than or equal to 0 ° C and a melt mass flow rate according to DIN EN ISO 1133-1: 2012-03 in the range from 0.5 to 60 g / 10 min, preferably in the range from 0.5 to 50 g / 10 ml, determined at a test temperature of 190 ° C and a test load of 2.16 kg, b) at least one inorganic filler, c) at least one metal hydroxide flame retardant, d) at least one boron-containing compound selected from the group consisting of boric acid, boron oxide, inorganic borates, boron carbide, boron nitride and mixtures thereof and e) optionally at least one additive, in particular comprising UV stabilizers, heat stabilizers and / or processing aids.
- thermoplastic compositions according to the invention provide access to thermoplastic moldings which manage completely without halogen-containing and phosphorus-containing flame retardants, while at the same time ensuring reliable and pronounced flame retardancy.
- the thermoplastic compositions according to the invention are accordingly essentially free of halogen- and / or phosphorus-containing flame retardants.
- thermoplastic compositions according to the invention are particularly preferred in which the at least one thermoplastic polymer has a glass transition temperature T G according to DIN EN ISO 11357-2: 2013-09 less than or equal to 0 ° C., preferably less than or equal to -10 ° C., particularly preferably less or equal to -20 ° C and in particular less than or equal to -40 ° C.
- thermoplastic polymers for the thermoplastic compositions according to the invention which have a melt mass flow rate according to DIN EN ISO 1133-1: 2012-03 in the range of 0 , 5 to 25 g / 10 min, preferably in the range from 1.0 to 20 g / 10 min, particularly preferably in the range from 2.0 to 15 g / 10 min and in particular in the range from 4.0 to 12 g / 10 min, determined at a test temperature of 190 ° C and a test load of 2.16 kg.
- Particularly suitable thermoplastic polymers are distinguished by a thermal decomposition temperature greater than 250.degree. C., preferably greater than 300.degree. C. and particularly preferably greater than 320.degree.
- thermoplastic polymers selected from the group consisting of polyolefins, especially polyethylene, polypropylene and / or ethylene / alpa-olefin copolymers, polyamines, polyimides, polyesters, especially PET and / or PBT, ethylene / vinyl acetate copolymers, thermoplastic elastomers, e.g. ethylene / 1-alkylene copolymers such as Ethylene / 1-octene copolymers, polyacrylates, ethylene / vinyl acetate copolymers, acrylate copolymers, in particular
- Polyolefins in particular polyethylene, polypropylene and / or ethylene / alpa-olefin copolymers, polyesters, in particular PET and / or PBT, ethylene / vinyl acetate copolymers, acrylate copolymers, in particular ethylene / (meth) acrylate copolymers, have proven to be particularly useful here.
- Copolymers or butyl / (meth) acrylate copolymers and / or acrylate copolymers containing polymerized maleic anhydride comonomer units have been proven.
- suitable thermoplastic polymers are those which contain polymerized maleic anhydride comonomer units or grafted maleic anhydride units, among these acrylate copolymers containing polymerized maleic anhydride comonomer units or grafted maleic anhydride units are particularly suitable for achieving the object on which the invention is based .
- thermoplastic polymers of component a) used for the thermoplastic compositions according to the invention particularly preferably comprise at least one polyolefin, in particular polyethylene, polypropylene and / or ethylene / alpa-olefin copolymers, an ethylene / vinyl acetate copolymer, and at least one acrylate copolymer, in particular an ethylene / (meth) acrylate copolymer or butyl / (meth) acrylate copolymer.
- component a) is in amounts in particular in the range from 10 to 75% by weight, preferably 15 to 65% by weight and particularly preferably 15 to 60% by weight or 20 to 60% by weight. %, in front.
- component a) is present or used completely or in parts, in particular in parts, in the form of a plastisol, in particular containing the at least one polyolefin.
- Plastisols are generally dispersions of a thermoplastic polymer in powder form and a liquid plasticizer. These dispersions can also contain, for example, pigments, fillers and / or additives.
- phthalic acid esters such as dioctyl phthalate and / or 1,2- Cyclohexanedicarboxylic acid diisononyl ester, dibenzyl succinate, dinonyl succinate, didecyl succinate, benzyl 2-propylheptyl succinate and / or benzylisononyl succinate can be used.
- plastisols preference is given to using polymers which are insoluble or only sparingly soluble in the plasticizer at room temperature, but which preferably allow the plasticizer to diffuse in at higher temperatures, for example in the range from 160 to 200 ° C., which is accompanied by plasticization of the polymer material .
- the Platisol Before that, the Platisol is usually pourable, sprayable and spreadable. On cooling, a gel-like mass of highly viscous consistency is obtained, which is no longer flowable at room temperature.
- the term plastisol is used both for the uncured mixture described above and for the finished product with a high viscosity consistency.
- the term plastisol is to be understood as meaning the uncured mixture described here.
- the proportion of the plastisol, based on the total weight of the thermoplastic composition is preferably in the range from 0.5 to 20% by weight, particularly preferably in the range from 1 to 15% by weight and in particular in Range from 5 to 10% by weight. If the plastisol is only partially present in the thermoplastic compositions according to the invention, the amount of the thermoplastic polymer that is present or used in the plastisol is based on the total amount of the thermoplastic polymer, formed from the amount that is not in the plastisol is present, and the amount that is present or used in the plastisol, preferably in the range from 0.01 to 15% by weight and in particular in the range from 0.5 to 10% by weight.
- thermoplastic compositions according to the invention it is preferred to use proportionally for this purpose polyolefins, in particular polyethylene, polypropylene and / or ethylene / alpha-olefin copolymers.
- polyolefins in particular polyethylene, polypropylene and / or ethylene / alpha-olefin copolymers.
- acylate copolymers preferably butyl acrylate copolymers and / or ethylene / acrylate copolymers, particularly preferably ethylene-butyl acrylate.
- thermoplastic composition in which component a) is an ethylene / (meth) acrylate copolymer, in particular selected from the group consisting of ethylene-methyl acrylates (EMA), ethylene-ethyl acrylates (EEA), ethylene butyl acrylates (EBA) and their mixtures.
- component a) those polyolefins which are selected from the group consisting of low-density polyethylene, low-density polyethylene and mixtures thereof have proven particularly useful.
- butyl acrylate copolymers are particularly preferably used as butyl / (meth) acrylate copolymers.
- ethylene-butyl acrylate is particularly preferred, with particular recourse being made to ethylene-butyl acrylate with polymerized maleic anhydride comonomer units.
- thermoplastic compositions in which the total amount of the at least one thermoplastic polymer or a part thereof comprises units capable of crosslinking have also proven to be particularly expedient in order to achieve the object according to the invention in a satisfactory manner.
- the thermoplastic polymer with units capable of crosslinking can comprise peroxidically crosslinkable units, units crosslinkable by means of electron beams and / or units crosslinkable by means of UV radiation.
- the thermoplastic polymer with units capable of crosslinking can be a silane-grafted thermoplastic polymer.
- silane molecules are grafted onto the thermoplastic polymer, ie onto its polymer chain or its polymer backbone.
- Polyolefins in particular polyethylene, are particularly preferred for this purpose.
- radicals can be formed by reaction with radical initiators such as peroxides, which radicals react with suitable silane molecules, in particular those with a radical containing a carbon / carbon double bond, to form a covalent bond.
- suitable silane molecules are, for example, vinylsilanes, in particular vinyltrialkoxysilanes such as vinyltrimethoxysilane.
- thermoplastic polymer grafted in this way is then crosslinked in a subsequent step in the presence of water via the reaction of two silane units to form a Si-O-Si bridge instead of.
- This crosslinking is a so-called polycondensation reaction.
- This can be accelerated by increasing the temperature, for example by heating to temperatures above 80 ° C., and / or by the presence of crosslinking catalysts such as dioctyne dilaurate.
- the thermoplastic composition or the molded body obtained therefrom containing thermoplastic polymers can also be used Reactive groups capable of silane crosslinking are stored in hot water or exposed to water vapor, in particular at temperatures in the range from 80 to 95
- the moldings according to the invention can be obtained from the thermoplastic compositions according to the invention in a one-step process as well as in a two-step process.
- the grafting of the silane and the conversion of the thermoplastic composition according to the invention to a shaped body take place, preferably by means of extrusion, in a single process step.
- the thermoplastic polymer in a first step the thermoplastic polymer is compounded and granulated together with the silane compound and a radical initiator, for example a peroxide, and optionally an antioxidant.
- a radical initiator for example a peroxide, and optionally an antioxidant.
- Crosslinkable, Si-grafted polymer granules are obtained.
- silane-grafted polymer granules are mixed with a so-called catalyst masterbatch, preferably containing the same thermoplastic polymer as the Si-grafted polymer granules, but without grafted silane molecules, as well as the crosslinking catalyst and the additives under conditions that allow silane crosslinking with the formation of Si Initiate -O-Si bridges.
- catalyst masterbatch preferably containing the same thermoplastic polymer as the Si-grafted polymer granules, but without grafted silane molecules, as well as the crosslinking catalyst and the additives under conditions that allow silane crosslinking with the formation of Si Initiate -O-Si bridges.
- Suitable peroxidic crosslinking agents include, for example, 2,2-dimethyl-2,5-di (tert-butylperoxy) -3-hexyne, di-tert-butyl-1,1,4,4-tetramethylbutyl-2-yn-1,4- ylenediperxoid, 2,5-dimethyl-2,5-di (tert-butylperoxy) -hexane, 1,3-phenylenebis (1-methylethylidene) bis (tert-butyl) peroxide, 1,4-phenylenebis (1-methylethylidene) ) bis (tert-butyl) peroxide and di- (2-tert-butyl-peroxyisopropyl) benzene.
- Suitable inorganic fillers include in particular metal oxides such as aluminum oxide, titanium dioxide and / or magnesium oxide, metal carbides such as silicon carbide, titanium carbide, boron carbide, zirconium carbide and / or aluminum carbide, metal nitrides such as aluminum nitride, magnesium silicon nitride, titanium nitride and / or silicon, barium nitride, Calcium sulfate, glass fillers, or combinations of these compounds.
- metal oxides such as aluminum oxide, titanium dioxide and / or magnesium oxide
- metal carbides such as silicon carbide, titanium carbide, boron carbide, zirconium carbide and / or aluminum carbide
- metal nitrides such as aluminum nitride, magnesium silicon nitride, titanium nitride and / or silicon, barium nitride, Calcium sulfate, glass fillers, or combinations of these compounds.
- such inorganic fillers are preferably used as component b) which are low
- Component b ie the inorganic filler, is present in the thermoplastic compositions according to the invention, in particular in an amount in the range from 2 to 80% by weight, preferably 15 to 75% by weight and particularly preferably 25 to 70% by weight .
- Suitable metal hydroxide flame retardants which can be used in the thermoplastic compositions according to the invention are aluminum hydroxide and / or magnesium hydroxide.
- thermoplastic compositions according to the invention preference is given to using boron nitride and / or inorganic borates, zinc borate being particularly preferred among the inorganic borates.
- Suitable additives (component e)) for the thermoplastic compositions according to the invention include pigments, antioxidants, light stabilizers, UV stabilizers, color stabilizers, heat stabilizers, processing aids or any mixtures thereof.
- Suitable additives for thermoplastic compositions are generally known to the person skilled in the art. For example, oil and wax components, e.g. stearates, can be used for the processing aids.
- thermoplastic compositions according to the invention have proven to be particularly suitable for obtaining moldings which are characterized by pronounced noise protection and which also contain at least one physical and / or chemical blowing agent (component g)).
- This can be, for example, a physical or chemical, in particular physical, blowing agent encapsulated in a hollow microsphere, in particular in the form of a thermoplastic polymer shell.
- the thermoplastic compositions according to the invention comprise a) at least one thermoplastic polymer with a glass transition temperature T G according to DIN EN ISO 11357-2: 2013-09 less than or equal to 0 ° C and a melt mass flow rate according to DIN EN ISO 1133- 1: 2012-03 in the range from 0.5 to 60 g / 10 min, determined at a test temperature of 190 ° C and a test load of 2.16 kg, b) at least one inorganic filler, c) at least one metal hydroxide flame retardant, d) at least one boron-containing compound selected from the group consisting of boric acid, boron oxide, inorganic borates, boron carbide, boron nitride and mixtures thereof and g ) at least one physical and / or chemical blowing agent and e) optionally at least one additive, in particular comprising UV stabilizers, heat stabilizers and / or processing aids.
- thermoplastic compositions are in particularly suitable thermoplastic compositions according to the invention.
- component a) thermoplastic polymer
- component c) metal hydroxide flame retardant
- component d) boron-containing compound
- component f) crosslinking agent
- component g) propellant
- the components forming the flame-retardant thermoplastic composition always adding up to 100.0% by weight.
- thermoplastic compositions according to the invention solve those of the Invention underlying object particularly well, which are formed or contain a) 15 to 60 wt .-% of at least one thermoplastic polymer with a glass transition temperature T G according to DIN EN ISO 11357-2: 2013-09 less than or equal to 0 ° C and one Melt mass flow rate according to DIN EN ISO 1133-1: 2012-03 in the range from 0.5 to 60 g / 10 min, determined at a test temperature of 190 ° C and a test load of 2.16 kg, comprising at least one polyolefin Ethylene / vinyl acetate copolymer and / or at least one acrylate copolymer, b) 2 to 50% by weight of at least one inorganic filler, c) 10 to 90% by weight of at least one metal hydroxide flame retardant, d) 0.1 up to 15% by weight of at least one boron-containing compound selected from the group consisting of boric acid, boron oxide, inorganic borates,
- the object on which the invention is based is further achieved by moldings, obtained or obtainable by injection molding, extrusion, blow molding, compression molding, deep drawing, vacuum molding, transfer molding (RTM), roller rotation, rotational molding, laser sintering, fused deposition modeling (FDM), granulating and / or casting the thermoplastic compositions of the invention.
- the moldings according to the invention are regularly distinguished by very good low-temperature impact strength. This also applies in particular to those moldings which make use of thermoplastic compositions according to the invention in which component a) represents or comprises ethylene / (meth) acrylate copolymers, in particular ethylene-butyl acrylate (EBA).
- the moldings according to the invention are preferably in the form of foamed moldings.
- Such molded bodies also particularly achieve the object on which the invention is based good, in which the at least one thermoplastic polymer is at least partially crosslinked therein, in particular obtained via a silane-grafted thermoplastic polymer, a one- or two-stage silane crosslinking preferably being used for this purpose.
- Appropriate moldings according to the invention are characterized by an elongation at break according to DIN EN ISO 527-1: 2012-06 in the range from 10 to 180%, in particular in the range from 20 to 180%, preferably in the range from 30 to 120 and particularly preferably in the range from 30 up to 90% off. Very satisfactory elongation at break values can also be obtained, in particular, with those moldings according to the invention which are formed from thermoplastic compositions according to the invention containing a proportion of plastisols, in particular as stated above.
- the moldings according to the invention can, for example, be a film layer, disk or plate, each with a front and an opposite rear.
- molded bodies according to the invention in particular those in the form of a film layer, disk or plate, have at least one metal foil, in particular aluminum foil, and / or at least one metal foil, in particular aluminum foil, and / or at least on one side, in particular the front side or the rear side, or on the front and rear side one, in particular wide-meshed, fiber layer.
- The, in particular wide-meshed, fiber layers can in particular be selected from the group consisting of glass fiber, carbon fiber, plastic fiber layers and any mixtures thereof. Suitable plastic fibers are, for example, polyester fibers, polyamide fibers or aramid fibers, aramid fibers being preferred.
- the fiber layer, in particular a glass fiber layer can be a nonwoven, knitted, knitted, scrim or fabric layer.
- the fiber layer is preferably formed from continuous fibers.
- the moldings according to the invention also include so-called sandwich moldings.
- the at least one metal foil and / or the at least one fiber layer is embedded in the shaped body.
- the metal foil in particular aluminum foil, preferably has an average thickness in the range from 10 to 250 ⁇ m, particularly preferably in the range from 15 to 75 ⁇ m.
- thermoplastic composition present between the fiber layer and metal foil is present in foamed and / or crosslinked form, in particular in foamed and crosslinked form, in the aforementioned embodiment, crosslinking being preferred based on the at least partial use of thermoplastic polymers with units capable of crosslinking, in particular the use of silane-grafted thermoplastic polymers.
- a fiber layer in particular a glass fiber layer, e.g. a fiber fabric, a fiber fleece or a fiber scrim
- a molded body according to the invention in the form of a so-called organic sheet can be obtained therefrom.
- Relatively high pressures are generally used in the production of organic sheets.
- Organic sheets can usually be brought into their final shape by deep drawing. The deep-drawn organic sheet already represents the end product in the design described.
- Organic sheets can, however, also represent so-called fiber-matrix semi-finished products, for example.
- the invention also includes, in particular, semi-finished products that can be thermoformed, preferably fiber-matrix semi-finished products and particularly preferably such semi-finished products in the form of or as organic sheets, each based on the thermoplastic compositions of the invention.
- Organic sheets for the purposes of the present invention are preferably semi-finished products that can be thermoformed. In particular, they can also be used in the automotive industry. It is particularly advantageous here that organic sheets enable short process times, especially in comparison to conventional thermoset fiber composite materials. This is of particular interest in the automotive industry with its short process times.
- Frequently used fiber layers, in particular fiber scrims, fiber fleeces and fiber fabrics, of organic sheets are preferably based on glass, aramid and carbon or carbon fibers, for example glass fibers.
- those organic sheets according to the invention are also preferred in which the fibers of the fiber layers, in particular the fiber scrim and fiber fabric, run essentially at right angles to one another. This leads to moldings with particularly good mechanical properties, for example with regard to rigidity, strength and / or thermal expansion.
- continuous fibers and / or long fibers, in particular continuous fibers are preferably used.
- the fiber length of the long fibers in the context of the invention is generally in the range from 1 to 50 mm, while fibers that are longer than 50 mm are referred to as continuous fibers in the context of the present invention.
- Organic sheets based on continuous fibers are preferred.
- An organic sheet according to the invention can be used as a so-called semi-finished product for the production of prefabricated components.
- the organic sheet can first be brought into a certain shape, for example in the deep-drawing process.
- This semi-finished product can then be warmed up to just below the melting point of the plastic material of the plastic matrix of the organic sheet and placed in an injection molding tool and overmolded.
- the organic sheet is preheated, there is very good adhesion to the thermoplastic used for the sheathing.
- the heating of the organic sheet regularly creates an intimate connection with the thermoplastic polymer used for the overmolding over the entire contact surface, namely in the form of a force-fit connection.
- thermoplastic polymer for example polyamide or polyolefins such as polyethylene or polypropylene, for the matrix material of the organic sheet as well as for the plastic material used for overmolding the organic sheet.
- thermoplastic polymers with units capable of crosslinking When using organic sheets, the at least partial use of thermoplastic polymers with units capable of crosslinking has proven to be particularly advantageous. It is particularly preferred to use silane-grafted thermoplastic polymers. If such organic sheets are used as semi-finished products, for example to be coated with a thermoplastic material, for example by means of injection molding, it has proven to be very useful to crosslink the units of the thermoplastic composition according to the invention that are capable of crosslinking at least partially only when the organic sheet embedded in the finished thermoplastic product. In this way, an even stronger connection with the thermoplastic material used for the sheathing, for example, can be established. Deformability is also guaranteed over the longest possible period.
- a Composite building body comprising a building material body, in particular an essentially mineral building material body, and a thermoplastic composition according to the invention and / or a shaped body according to the invention.
- Particularly suitable composite structural elements according to the invention are also characterized in that the building material body, in particular the essentially mineral building material body, represents or comprises a coating made from the thermoplastic composition according to the invention or from the molded body according to the invention.
- the molded body is in particular a foamed molded body.
- the molded body according to the invention in particular in the form of a film layer, disk or plate, preferably laminated onto the building material body, in particular the essentially mineral building material body.
- the building material body in particular the essentially mineral building material body, can also be partially or completely embedded in the thermoplastic composition according to the invention or the molded body according to the invention
- the building material body is selected from the group consisting of plasterboard, in particular plasterboard and / or gypsum fiber boards, chipboard, metal moldings, in particular metal plates, thermosetting moldings, in particular foamed thermosetting moldings, thermoplastic building materials, WPC moldings, wood panels, structures , in particular panels, made of renewable raw materials, in particular selected from the group consisting of wood fibers, hemp fibers, flax fibers, nettle fibers, seaweed, elephant grass, mescanthum, reeds, coconut fibers, straw and any mixture of the aforementioned renewable raw materials, preferably a wood fiber board such as MDF and / or OSB board, soft wood fiber board or a hemp fiber insulation board, and hard PVC boards, in particular plasterboard and / or gypsum fiber boards.
- a wood fiber board such as MDF and / or OSB board
- soft wood fiber board or a hemp fiber insulation board preferably a wood fiber board such as MDF and / or OSB board, soft wood fiber board
- thermoplastic building material bodies also include foamed building material bodies.
- High-temperature thermoplastics are also preferred as thermoplastic building material bodies. Examples include polyphenylene sulfides (PPS), polyphthalamides (PPA), sydiotactic polystyrene (SPS), polyether ketones (PEEK) and polysulfones (PSU).
- PPS polyphenylene sulfides
- PPA polyphthalamides
- SPS sydiotactic polystyrene
- PEEK polyether ketones
- PSU polysulfones
- Expedient embodiments of the building material bodies are also those which have one or more punctures / holes and / or material recesses, for example indentations, which do not go completely through the building material body.
- the Building material body in particular an essentially mineral building material body, has penetrations or holes and / or material recesses, for example indentations, through which or into which the thermoplastic composition according to the invention can penetrate in molten form during the manufacturing process, e.g. embedding, sheathing or lamination , a composite structure is obtained, which is characterized by a particularly pronounced mechanical stability.
- the molded bodies according to the invention can, in particular, be a housing for a household appliance, in particular a refrigerator, freezer, tumble dryer or washing machine, a fire protection component, a door, a window frame, a tunnel casing, a vehicle component, in particular a motor vehicle, aircraft, rail vehicle or cable car, e.g.
- a gas, clutch or brake pedal an elevator component, a cable partition, a cable duct, a distribution box, a fuse box, a socket cover, a socket top, a switch cover, a switch pot, a pipe, a facade cladding, a wall cladding, a ceiling cladding, a Roof cladding, a partition, a battery housing, a battery housing, a cell phone housing, insulation, a base plate, a fuel tank, a casing for a fuel tank, a transformer housing, an acoustic wall, a cable partition, a cable duct, a facade component, a drywall component, represent a floor covering, a ceiling element or a furniture component or a part of the aforementioned components or are used for their production.
- thermoplastic compositions according to the invention surprisingly achieve very effective flame retardancy in the event of fire without having to resort to halogen-containing or phosphorus-containing flame retardants.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Textile Engineering (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102019129040.6A DE102019129040A1 (de) | 2019-10-28 | 2019-10-28 | Flammhemmende Thermoplast-Zusammensetzung, Formkörper erhalten aus der Thermoplast-Zusammensetzung und Verwendung der thermoplastischen Zusammensetzung und des Formkörpers |
PCT/EP2020/080229 WO2021083928A2 (de) | 2019-10-28 | 2020-10-28 | Flammhemmende thermoplast-zusammensetzung, formkörper erhalten aus der thermoplast-zusammensetzung, verbundbaukörper enthaltend die thermoplast-zusammensetzung und/oder den formkörper und verwendung der thermoplastischen zusammensetzung, des formkörpers und des verbundbaukörpers |
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EP4051730A2 true EP4051730A2 (de) | 2022-09-07 |
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EP20800815.1A Withdrawn EP4051730A2 (de) | 2019-10-28 | 2020-10-28 | Flammhemmende thermoplast-zusammensetzung, formkörper erhalten aus der thermoplast-zusammensetzung, verbundbaukörper enthaltend die thermoplast-zusammensetzung und/oder den formkörper und verwendung der thermoplastischen zusammensetzung, des formkörpers und des verbundbaukörpers |
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US (1) | US20210122901A1 (de) |
EP (1) | EP4051730A2 (de) |
DE (1) | DE102019129040A1 (de) |
WO (1) | WO2021083928A2 (de) |
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CN114193731B (zh) * | 2021-12-09 | 2023-11-10 | 湖南省升阳新材料有限公司 | 一种阻燃色母粒的制备工艺 |
DE102022208548A1 (de) * | 2022-08-17 | 2024-02-22 | Sgl Carbon Se | Batteriestruktur |
CN118420996B (zh) * | 2024-04-17 | 2024-10-18 | 江苏通上新材料科技有限公司 | 改性高强度阻燃电缆保护材料及制备方法 |
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JPH0776292B2 (ja) * | 1986-11-14 | 1995-08-16 | 日本石油化学株式会社 | 架橋性難燃組成物 |
US20090088514A1 (en) | 2007-09-27 | 2009-04-02 | Sabic Innovative Plastics Ip Bv | Polycarbonate composition having improved impact, flammability and surface appearance, method of making, and articles prepared therefrom |
US8871843B2 (en) * | 2009-12-15 | 2014-10-28 | Apple Inc. | Halogen-free flame retardant material |
US8173255B2 (en) * | 2010-01-07 | 2012-05-08 | King Abdulaziz City Science And Technology | Clean flame retardant insulation composition to enhance mechanical properties and flame retardancy for wire and cable |
US9085678B2 (en) * | 2010-01-08 | 2015-07-21 | King Abdulaziz City For Science And Technology | Clean flame retardant compositions with carbon nano tube for enhancing mechanical properties for insulation of wire and cable |
TWI424014B (zh) * | 2011-11-08 | 2014-01-21 | Kenner Material & System Co Ltd | 阻燃導熱塑膠組成物 |
US20140018481A1 (en) * | 2012-07-12 | 2014-01-16 | King Abdulaziz City for Science and Technology (KACST) | Advanced halogen free flame retardant composition for heat shrinkable material and method of making the same |
CN106987029A (zh) * | 2017-05-10 | 2017-07-28 | 浙江鹏远新材料股份有限公司 | 氢氧化镁阻燃剂及其制备方法和阻燃交联聚乙烯泡沫塑料 |
-
2019
- 2019-10-28 DE DE102019129040.6A patent/DE102019129040A1/de not_active Withdrawn
-
2020
- 2020-10-28 US US17/082,999 patent/US20210122901A1/en not_active Abandoned
- 2020-10-28 EP EP20800815.1A patent/EP4051730A2/de not_active Withdrawn
- 2020-10-28 WO PCT/EP2020/080229 patent/WO2021083928A2/de unknown
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US20210122901A1 (en) | 2021-04-29 |
DE102019129040A1 (de) | 2021-04-29 |
WO2021083928A2 (de) | 2021-05-06 |
WO2021083928A3 (de) | 2021-06-24 |
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