WO2006029711A1 - Halogenfreie flammgeschützte thermoplastische formmassen auf basis von polyamid mit erhöhter glühdrahtbeständigkeit - Google Patents
Halogenfreie flammgeschützte thermoplastische formmassen auf basis von polyamid mit erhöhter glühdrahtbeständigkeit Download PDFInfo
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- WO2006029711A1 WO2006029711A1 PCT/EP2005/009362 EP2005009362W WO2006029711A1 WO 2006029711 A1 WO2006029711 A1 WO 2006029711A1 EP 2005009362 W EP2005009362 W EP 2005009362W WO 2006029711 A1 WO2006029711 A1 WO 2006029711A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
Definitions
- Halogen-free flame-retardant thermoplastic molding compounds based on polyamide with increased heat resistance Halogen-free flame-retardant thermoplastic molding compounds based on polyamide with increased heat resistance
- the present invention relates to thermoplastic molding compositions containing unbranched, thermoplastic polyamide, a phosphine or Diphosphinklaresalz, a nitrogen-containing flame retardant and at least one oxygen-containing, nitrogen-containing or sulfur-containing metal compound and the preparation and use of the molding compositions according to the invention for the production of fibers films and moldings of any kind.
- plastics Due to their chemical composition, many plastics are easily combustible. In order to be able to achieve the high flame retardance requirements demanded by plastics processors and in part by the legislation, plastics must therefore as a rule be equipped with flame retardants. For this purpose, a large number of different flame retardants and flame retardant synergists are known and also commercially available. Due to the more favorable fire side effects with respect to smoke gas density and flue gas composition as well as ecological reasons non-halogenated flame retardant systems have been used for some time.
- DE-A-2 252 258 US Pat. No. 3,900,444
- DE-A-2 447 727 US Pat 036 811
- Some derivatives of this flame retardant class are estimated, in particular because of their low negative impact on the mechanical properties of the thermoplastic molding compositions.
- thermoplastic molding compositions equipped with phosphine-containing flame retardant systems is particularly problematic with regard to their glow-wire resistance according to IEC 60695-2, in particular the glow wire ignition test according to IEC 60695-2-13 ("GWIT test"), in which the plate-shaped molding compound should not ignite during contact with a glowing wire, with "ignition” defined herein as a flame phenomenon> 5s.
- This GWIT test is also an essential part be IEC60335-1, required in the certain current- and voltage-carrying components in unattended appliances, materials having a GWIT classification of at least 775 0 C the.
- a further object of the present invention is that the balanced property profile known from the phosphine-containing flame-retardant polyamide molding compositions in terms of thermal and electrical properties, as well as flame retardance (UL94 VO from 0.8 mm) and mechanics (impact strength according to IZOD ISO 180 l / U> 45kJ / m 2 and strength greater than 200 MPa) remain largely unchanged even with improved filament resistance.
- the glow-wire resistance according to IEC 60695-2-13 (GWIT) in phosphine-containing flame-retardant thermoplastic polyamides clearly can be improved if the molding composition contains in addition to the phosphinates a special combination of at least two different nitrogen-containing flame retardants and at least one oxygen, nitrogen or sulfur-containing metal compound of the second main or subgroup.
- the balanced property profile with regard to electrical, thermal and mechanical properties is largely retained.
- thermoplastic molding composition comprising
- R, R are the same or different and are hydrogen and / or linear or branched C 1 -C 6 -alkyl, and / or aryl;
- R 3 is linear or branched C 1 -C O - alkylene, C ⁇ -Cio-arylene or C ⁇ -Cg- alkylarylene or aryl-C j -CG alkylene group,
- M is alkaline earth metals, alkali metals, aluminum, zinc, titanium, zirconium, silicon, tin and / or a protonated nitrogen base;
- n 1 to 4.
- n 1 to 3
- Metal compound preferably the second main or subgroup, more preferably Ca, Mg and Zn, most preferably zinc borate and zinc sulfide.
- thermoplastic molding compositions may in addition to the components A) to D) still E) 0.01 to 5 wt .-%, preferably 0.05 to 3 wt .-%, particularly preferably 0.1 to 2 wt. - Contain% of at least one lubricant and / or mold release agent.
- thermoplastic molding compositions may in addition to the components A) to E) or in place of E) nor the component F) 0, 1 to 60 wt .-%, preferably 1 to 50 wt .-%, particularly preferably 10 bis Contain 40 wt .-% of one or more fillers and reinforcing agents.
- thermoplastic molding compositions in addition to the components A) to F) or in place of the components E) and / or F) still G) 0.01 to 40 wt .-%, preferably 0.01 to 20 wt. -%, particularly preferably 0.1 to 15 wt .-% in each case based on the total composition further additives.
- thermoplastic molding compositions comprising the components A), B), Cl), C2) and D) show the required glow wire resistance according to IEC 60695-2-13 and reproducibly produce no ignition [no flame development> 2s], while at the same time containing phosphinate flame retarded polyamide molding materials known balanced property profile maintained.
- Thermoplastic polymers according to Hans Domininghaus in "The plastics and their properties", 5th edition (1998), p 14, understood polymers whose molecular chains no or also have more or less long and in number different side branches, which soften in the heat and are almost arbitrarily malleable.
- the compositions according to the invention comprise at least one unbranched thermoplastic polyamide.
- the polyamides according to the invention can be prepared by various processes and synthesized from very different building blocks and in special applications alone or in combination with processing aids, stabilizers, polymeric alloying partners (eg elastomers) or reinforcing materials (such as mineral fillers or glass fibers) to materials be equipped with specially set property combinations. Also suitable are blends with proportions of other polymers e.g. of polyethylene, polypropylene, ABS (acrylonitrile-butadiene-styrene copolymers), where appropriate, one or more compatibilizers can be used.
- the properties of the polyamides can be improved by adding elastomers, for. B. with regard to the impact strength of z. B. reinforced polyamides. The multitude of possible combinations enables a very large number of products with different properties.
- Preferred polyamides are partially crystalline polyamides which can be prepared starting from diamines and dicarboxylic acids and / or lactams with at least 5 ring members or corresponding amino acids.
- Suitable starting materials are aliphatic and / or aromatic dicarboxylic acids such as adipic acid, 2,2,4- and 2,4,4-trimethyladipic acid, azelaic acid, sebacic acid, isophthalic acid, terephthalic acid, aliphatic and / or aromatic diamines such as tetramethylenediamine, hexamethylenediamine, 1.9 Nonanediamine, 2,2,4- and 2,4,4-trimethylhexamethylenediamine, the isomeric diamino-dicyclo-hexylmethane, Diaminodicyclohexylpropane, bis-aminomethyl-cyclohexane, phenylenediamines, xylylenediamines, aminocarboxylic acids such as aminocaproic acid, or the corresponding lactams into consideration , Copolyamides of several of the monomers mentioned are included. Particularly preferred are caprolactams, most preferably ⁇ -caprol
- PA6 PA66
- other aliphatic or / and aromatic polyamides or copolyamides in which 3 to 11 methylene groups are present on a polyamide group in the polymer chain.
- the polyamides prepared according to the invention can also be used in a mixture with other polyamides and / or further polymers.
- the polyamides may contain conventional additives such as e.g. Release agents, stabilizers and / or flow aids are already mixed in the melt or applied to the surface.
- compositions according to the invention contain one or more phosphinic acid salts of the formula (I) and / or one or more diphosphinic salts of the formula (II) and / or their polymers, in which
- R 1 , R 2 are identical or different and represent hydrogen and / or linear or branched Q-C 6 -alkyl and / or aryl,
- R 3 is linear or branched C 1 -C 10 -alkylene, C 6 -C 10 -arylene and / or QC 6 -alkylarylene or aryl-Q-C 6 -alkylene,
- M is alkaline earth metals, alkali metals, aluminum, zinc, titanium, zirconium, silicon, tin and / or a protonated nitrogen base,
- n 1 to 4
- n 1 to 3
- x stands for 1 and 2.
- M is magnesium, calcium, aluminum and / or zinc.
- Protonated nitrogen bases are preferably understood as meaning the protonated bases of ammonia, 1,3,5-triazine compounds and triethanolamine, particularly preferably melamine.
- R 1 , R 2 are the same or different and are QC 6 alkyl, linear or branched and / or phenyl.
- R 1 , R 2 are particularly preferably identical or different and are methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl, n-pentyl and / or phenyl.
- R 3 is methylene, ethylene, N-propylene, iso-propylene, n-butylene, tert-butylene, n-pentylene, n-octylene, n-dodecylene, phenylene, naphthylene, methyl-phenylene, ethylphenylene, tert. Butylphenylene, methylnaphthylene, ethylnaphthylene, tert-butylnaphthylene, phenylmethylene, phenylethylene, phenylpropylene or Phenylbutylene.
- R 3 is phenylene or naphthylene.
- Particularly preferred phosphinates in the context of the present invention are aluminum, calcium and zinc salts of dimethylphosphinate, of ethylmethylphosphinate, of diethylphosphinate and of methyl n-propylphosphinate, and mixtures thereof.
- m is 2 and 3, more preferably 3
- N is preferably 1 and 3, more preferably 3
- x is 1 and 2, more preferably 2
- phosphinic acid salt describes both salts of phosphinic acids and salts of diphosphinic acids and their polymers.
- phosphinic acids which are prepared in aqueous medium, are essentially monomeric compounds. Depending on the reaction conditions, polymeric phosphinic salts may also be formed under certain circumstances.
- Suitable phosphinic acids as a constituent of the phosphinic acid salts are, for example, dimethylphosphinic acid, ethylmethylphosphinic acid, diethylphosphinic acid, methyl-n-propylphosphinic acid or diphenylphosphinic acid.
- the phosphinic acids are reacted in aqueous solution with metal carbonates, metal hydroxides or metal oxides.
- compositions of the invention contain a special combination of at least two different nitrogen-containing flame retardants, of which the
- Component Cl) melamine cyanurate which is in a proportion of 0.1 to 25 wt .-%, preferably 0.2 to 10 wt .-%, particularly preferably 0.5 to 5 wt .-% - based on all components of
- Molding composition - is included.
- Melamine cyanurate is understood to mean the reaction product of preferably equimolar amounts of melamine and cyanuric acid or isocyanuric acid. These include all commercially available and commercially available product qualities. Examples include Melapur® MC 25 (CIBA Melapur, Basel, Switzerland) and Budit® 315 (Fa. Budenheim, Budenheim, Germany) or Plastisan® B or Plastisan® S (3V company, Bergamo, Italy).
- the melamine cyanurate used consists of particles having average particle diameters of from 0.1 .mu.m to 100 .mu.m, preferably from 0.1 .mu.m to 30 .mu.m, particularly preferably from 0.1 .mu.m to 7 .mu.m, and may be surface-treated or coated with known agents. These include, inter alia, organic compounds which may be applied in monomeric, oligomeric and / or polymeric form to the melamine cyanurate. For example, coating systems based on silicon-containing compounds such as organofunctionalized silanes or organosiloxanes can be used. Coatings with inorganic components are also possible. Melamine cyanurate is usually obtained from the starting materials in aqueous medium at temperatures between 90 and 100 0 C.
- Component C) contains, in addition to melamine cyanurate Cl), at least one further nitrogen-containing component C2), which acts as a hindering agent or flame retardant synergist, and which is different from melamine cyanurate.
- Melamine, melamine borate, melamine oxalate, melamine phosphate prim., Melamine phosphate sec. And melamine pyrophosphate sec, polymeric melamine phosphate and neopentyl glycol boronic acid melamine are suitable for this purpose.
- guanidine salts such as guanidine carbonate, guanidine cyanurate prim., Guanidine phosphate prim., Guanidine phosphate sec, guanidine sulfate prim., Guanidine sulfate sec, pentaerythritol borane, neopentylglycolboronic acid guanidine, urea phosphate and urea cyanurate.
- amelin, amelide, as well as condensation products of melamine, e.g. Meiern, Melam, Melon or higher condensed compounds of this type find use.
- ammonium polyphosphate and tris (hydroxyethyl) isocyanurate or its reaction products with carboxylic acids benzoguanamine and its adducts or salts and its nitrogen-substituted products and their salts and adducts.
- Other nitrogen-containing components which can be used are allantoin compounds, and also their salts with phosphoric acid, boric acid or pyrophosphoric acid, and glycolurils or their salts. It is also possible to use inorganic nitrogen-containing compounds, e.g. Ammonium salts are used.
- Component C2) is preferably reaction products of melamine with phosphoric acid or condensed phosphoric acids or reaction products of condensation products of melamine with phosphoric acid or condensed phosphoric acids and mixtures of the products mentioned.
- the reaction products with phosphoric acids are compounds which are formed by reaction of melamine or the condensed melamine compounds melam, Meiern or melon, etc., with phosphoric acid.
- Component C2) is particularly preferably melamine polyphosphate.
- Melamine polyphosphate is commercially available in various product qualities. Examples include Melapur® 200/70 (CIBA Melapur, Basel, Switzerland) and Budit® 3141 (Budenheim, Budenheim, Germany).
- the compositions according to the invention contain 0.1 to 10 wt .-%, preferably 0.5 to 5 wt .-% particularly preferably 0.75 to 3.5 wt .-% of at least one oxygen-nitrogen or sulfur-containing metal compound , Suitable for this purpose are ZnO, in particular activated ZnO (eg Bayer AG, Leverkusen, Germany), 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, magnesium borate or mixtures thereof.
- ZnO in particular activated ZnO (eg Bayer AG, Leverkusen, Germany)
- ZnS TiO 2 , MgCO 3 , CaCO 3
- zinc borate CaO, MgO, Mg
- Preferred metals according to the invention are Ca, Mg and Zn, more preferably zinc borate and zinc sulfide.
- the zinc sulfide is usually used as a particulate solid.
- Commercially available products are, for example, Sachtolith® HDS or Sachtolith® HD (both Sachtleben, Duisburg, Germany).
- the term zinc borate in the context of the present invention is to be understood as meaning substances which are accessible from zinc oxide and boric acid.
- Various hydrates of the zinc borates are known, for example ZnO B 2 O 3 -2H 2 O and 2 ZnO-3 B 2 O 3 -3.5 H 2 O, compounds of the two abovementioned compositions being preferred. Examples of usable zinc borates are described in Gmelin Syst. No.
- zinc borate grades include the products ZB-223, ZB-467 and ZB-Lite from Anzon Ltd. (London, England) or Firebrake® ZB of the company Deutsche Borax GmbH (Sulzbach, Germany).
- the components D) can be used as a compacted material and as masterbatches in a polymeric carrier material.
- the components D) can also be surface-treated or coated by known means. These include u.a. organic compounds which may be applied in monomeric, oligomeric and / or polymeric form. Coatings with inorganic components are also possible.
- the compositions may additionally contain lubricants and / or mold release agents.
- lubricants for example, long-chain fatty acids (eg stearic acid or behenic acid), their salts (eg Ca or Zn stearate) and their ester derivatives or amide derivatives (eg ethylene-bis-stearylamide), montan waxes (mixtures of straight-chain, saturated carboxylic acids with chain lengths of 28 to 32 C atoms) as well as low molecular weight polyethylene or polypropylene waxes.
- lubricants and / or mold release agents preference is given to lubricants and / or mold release agents from the group of esters or amides saturated or unsaturated aliphatic carboxylic acids having 8 to 40 carbon atoms with aliphatic saturated alcohols or amines having 2 to 40 carbon atoms, ethylene-bis-stearylamide or pentaerythritol tetrastearate (PETS) are very particularly preferred.
- PES pentaerythritol tetrastearate
- the compositions may contain one or more fillers and reinforcing agents, in addition to either E) or alternatively E).
- fillers and reinforcing agents for the molding compositions according to the invention, glass fibers, glass beads, glass fabrics, glass mats, carbon fibers, thermally stable organic fibers (eg aramid or polyphthalimide fibers), potassium titanate fibers, natural fibers, amorphous silica, magnesium carbonate, barium sulfate, Feldspar, mica, silicates, quartz, kaolin, calcined kaolin, titanium dioxide, wollastonite and nanoscale minerals (eg montmorillonite or nano-boehmite) and others be added, which may also be surface-treated.
- Preferred reinforcing materials are commercially available glass fibers.
- the glass fibers which generally have a fiber diameter between 8 and 18 microns, can be added as continuous fibers or as chopped or ground glass fibers, the fibers optionally being treated with surface modifications such as e.g. Silanes or fiberglass can be provided.
- acicular mineral fillers are also suitable.
- the term "needle-shaped mineral fillers” is understood to mean a mineral filler with a pronounced, needle-like character.
- An example is acicular wollastonite.
- the mineral has an L / D (length to diameter) ratio of from 2: 1 to 35: 1, preferably from 3: 1 to 19: 1, most preferably from 4: 1 to 12: 1.
- the mean particle size of the acicular minerals according to the invention is preferably less than 20 ⁇ m, more preferably less than 15 ⁇ m, particularly preferably less than 10 ⁇ m, most preferably less than 5 ⁇ m, determined with a CILAS GRANULOMETER.
- the mineral filler may optionally be surface-treated.
- the fillers and reinforcing materials optionally to be used as component F) are used in amounts of from 0.1 to 60% by weight, preferably from 1 to 50% by weight, particularly preferably from 10 to 40% by weight, based in each case on the overall molding composition.
- Most preferred are commercially available glass fibers having a fiber diameter between 8 and 18 microns which are interfaced with surface modifications, e.g. Silanes or glass fiber sizes, as well as with needle-shaped mineral fillers, in particular wollastonite which may also be equipped with a surface modification may be provided.
- compositions in a further preferred
- Components E) and / or F) contain further additives.
- Typical additives of component G) are, for example, stabilizers (for example UV stabilizers, heat stabilizers, gamma rays). Stabilizers, hydrolysis stabilizers), antistatics, other flame retardants, emulsifiers, nucleating agents, plasticizers, processing aids, impact modifiers, dyes and pigments.
- stabilizers for example UV stabilizers, heat stabilizers, gamma rays.
- Stabilizers for example UV stabilizers, heat stabilizers, gamma rays
- Stabilizers for example UV stabilizers, heat stabilizers, gamma rays
- hydrolysis stabilizers hydrolysis stabilizers
- antistatics other flame retardants
- emulsifiers for example in Gamba, ter, plastic additives, 3rd edition, Hanser Verlag, Kunststoff, Vienna, 1989 and in the Plastics Additives Handbook, 5th Edition, Hanser Ver
- Stabilizers which may be used are, for example, sterically hindered phenols and / or phosphites, hydroquinones, aromatic secondary amines such as diphenylamines, substituted resorcinols, salicylates, benzotriazoles and benzophenones, as well as various substituted representatives of these groups and mixtures thereof.
- UV stabilizers which may be mentioned are various substituted resorcinols, salicylates, benzotriazoles and benzophenones.
- impact modifiers are generally copolymers which are preferably composed of at least two of the following monomers: ethylene, propylene, butadiene, isobutene, isoprene, chloroprene, vinyl acetate, styrene, acrylonitrile and acrylic or Methacrylic acid esters having 1 to 18 carbon atoms in the alcohol component.
- inorganic pigments such as titanium dioxide, ultramarine blue, iron oxide, zinc sulfide and carbon black, furthermore organic pigments such as phthalocyanines, quinacridones, perylenes and dyes such as nigrosine and anthraquinones as colorants and other colorants.
- organic pigments such as phthalocyanines, quinacridones, perylenes and dyes such as nigrosine and anthraquinones.
- carbon black is preferred.
- nucleating agents e.g. Sodium or calcium phenylphosphinate, alumina or silica and preferably talc are used.
- copolymers of at least one ⁇ -olefin with at least one methacrylic acid ester or acrylic acid ester of an aliphatic alcohol can be used.
- Copolymers in which the ⁇ -olefin is synthesized from ethene and / or propene and the methacrylic acid ester or acrylic ester as the alcohol component contains linear or branched alkyl groups having 6 to 20 carbon atoms are preferred. Particularly preferred is acrylic acid (2-ethyl) hexyl ester.
- plasticizers are dioctyl phthalate, dibenzyl phthalate, butyl benzyl phthalate, hydrocarbon oils, N- (n-butyl) benzenesulfonamide.
- flame retardants are, for example, phosphorus-containing flame retardants selected from the groups of mono- and oligomeric phosphoric and phosphonic acid esters, phosphonates, phosphonates, phosphinates, phosphites, hypophosphites, phosphine oxides and phosphazenes, including mixtures of several components selected from one or more of these groups as flame retardants can be used, in question.
- preferably halogen-free phosphorus compounds which are not specifically mentioned here can also be used alone or in any combination with other preferably halogen-free phosphorus compounds.
- These include purely inorganic phosphorus compounds such as boron phosphate hydrate.
- Further suitable flameproofing additives are char forming agents such as phenol-formaldehyde resins, polycarbonates, polyphenyl ethers, polyimides, polysulfones, polyethersulfones, polyphenylsulfides and polyether ketones, and also anti-dripping agents such as tetrafluoroethylene polymers.
- the additives of component G) may be added to the compositions according to the invention in amounts of from 0.01 to 40% by weight, preferably from 0.01 to 20% by weight, more preferably from 0.1 to 15% by weight. % in each case be added based on the total molding composition.
- the present invention also relates to the fibers, films and moldings obtainable from the thermoplastic molding compositions containing
- R 1 , R 2 are identical or different and represent hydrogen and / or linear or branched C 1 -C 6 -alkyl and / or aryl;
- R 3 is linear or branched Ci-Cio alkylene, C ⁇ -Cio-arylene or CpC 6 - stands 6 alkylene alkylarylene or aryl-Ci-C,
- M is alkaline earth metals, alkali metals, aluminum, zinc, titanium, zirconium, silicon, tin and / or a protonated nitrogen base;
- n 1 to 4.
- n 1 to 3
- C2 from 0.1 to 25% by weight, preferably from 1 to 15% by weight, particularly preferably from 2 to 10% by weight, based on 100% by weight of the total composition, of at least one further nitrogen-containing flame retardant other than melamine cyanurate, preferably reaction products the melamine with phosphoric acid or condensed phosphoric acids or reaction products of condensation products of melamine with phosphoric acid or condensed phosphoric acids, more preferably melamine polyphosphate, melampolyphosphate, melon polyphosphate and melem polyphosphate, most preferably melamine polyphosphate, and
- the present invention also relates to fibers, films and moldings which, in addition to components A) to D), optionally contain one or more of components E) and / or F) and / or G).
- the present invention also relates to a process for the production of fibers, films and moldings, characterized in that molding compounds containing the components A to D) and in preferred embodiments, if appropriate, E), F) and / or G), is used. Examples
- plastic molding compounds were first prepared by compounding.
- the individual components were mixed in a twin-screw extruder (ZSK 32 Mega Compounder from Coperion Werner & Pfleiderer (Stuttgart, Germany)) at temperatures between 270 and 335 ° C., discharged as a strand, cooled to granulation capacity and granulated.
- ZSK 32 Mega Compounder from Coperion Werner & Pfleiderer (Stuttgart, Germany)
- the flame retardancy of the molding compositions was determined, on the one hand, by the method UL94V (Underwriters Laboratories Inc. Standard of Safety, "Test for Flammability of Plastic Materials for Parts in Devices and Appliances", p. 14 to p. 18 Northbrook 1998).
- Glow wire resistance was determined using the GWFI (Glow Wire Flammability Index) to IEC 60695-2-12 and glow-wire ignition test GWIT (60695-2-13).
- GWFI Low Wire Flammability Index
- the maximum temperature is determined on 3 specimens (for example on plates of geometry 60 ⁇ 60 ⁇ 1.5 mm) with the aid of a glowing wire at temperatures between 550 and 960 ° C., but no after-burn time of 30 seconds is exceeded and the sample does not drip burning.
- the Glühdraht ⁇ ignition temperature is specified in a comparable measurement procedure, the 25K (30K between 900 0 C and 960 0 C) is higher than the maximum filament temperature, in three consecutive tests even during the contact time of the filament to not Inflammation leads.
- Ignition is a flame with a burning time> 5sec.
- the maximum firing time is given for a 30 sec. continuous filament operation at 750 ° C.
- Mechanical properties were obtained from impact measurements according to IZOD (ISO 180 / 1U, 23 0 C) or from bending experiments according to ISO 178.
- Component A polyamide 6 (Durethan ® B29, from Lanxess Germany GmbH (Group Lanxess), Leverkusen, Germany.)
- Component C / l melamine cyanurate (Melapur MC25 ®, Ciba, Basel, Switzerland).
- Component C / 2 melamine polyphosphate (Melapur ® 200/70 from Ciba, Basel, Netherlands.)
- Component D / L Zinc borate (Firebrake® ® For example, the company German Borax GmbH, Sulzbach, Germany.)
- Component D / 2 Zinc sulfide (Sachtolith HDS ® of Sachtleben, Duisburg, Germany.)
- Component E N, N'-ethylene-bis-stearylamide
- Component F chopped glass fiber CS 7928 from Lanxess Deutschland GmbH
- Component G further additives
- Table 1 to 3 shows that the inventive special halogen-free combination of the components B), C / l), C / 2) and D / l) (Example VI, V2 and V3) both in terms of flame retardance (UL94 VO, GWFI 960 0 C and GWIT 775 ° C) as well as with regard to the mechanics (impact strength and bending strength) over the prior art is a drastic improvement.
- the comparative examples also show that omitting the component D 1 can not be compensated for by higher dosage of C 1 (cf. FIGS. 1, 2 and 3), without being confronted with disadvantages in GWIT behavior and mechanics. The same applies to a renunciation of Cl and a higher dose of Dl (Cf. 4 and 5).
Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020077008309A KR101285996B1 (ko) | 2004-09-13 | 2005-08-31 | 폴리아미드로부터 제조된 증가된 백열선 저항을 갖는비할로겐화 난연성 열가소성 성형물 |
AT05782454T ATE539107T1 (de) | 2004-09-13 | 2005-08-31 | Halogenfreie flammgeschützte thermoplastische formmassen auf basis von polyamid mit erhöhter glühdrahtbeständigkeit |
CN2005800305193A CN101023126B (zh) | 2004-09-13 | 2005-08-31 | 基于具有提高的灼热丝耐受性的聚酰胺的无卤阻燃热塑性模制组合物 |
JP2007530623A JP4644711B2 (ja) | 2004-09-13 | 2005-08-31 | グローワイヤ耐性を向上させたポリアミドをベースとするハロゲンフリーの難燃性熱可塑性成形用組成物 |
EP05782454A EP1791902B1 (de) | 2004-09-13 | 2005-08-31 | Halogenfreie flammgeschützte thermoplastische formmassen auf basis von polyamid mit erhöhter glühdrahtbeständigkeit |
US11/662,457 US8362119B2 (en) | 2004-09-13 | 2005-08-31 | Halogen free flame-retardant thermoplastic moulding compositions based on polyamide with increased glow-wire resistance |
Applications Claiming Priority (4)
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DE102004044131 | 2004-09-13 | ||
DE102004044131.6 | 2004-09-13 | ||
DE102004048876.2 | 2004-10-07 | ||
DE102004048876A DE102004048876A1 (de) | 2004-09-13 | 2004-10-07 | Halogenfreie flammgeschützte thermoplastische Formmassen auf Basis von Polyamid mit erhöhter Glühdrahtbeständigkeit |
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WO2006029711A1 true WO2006029711A1 (de) | 2006-03-23 |
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PCT/EP2005/009362 WO2006029711A1 (de) | 2004-09-13 | 2005-08-31 | Halogenfreie flammgeschützte thermoplastische formmassen auf basis von polyamid mit erhöhter glühdrahtbeständigkeit |
Country Status (8)
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US (1) | US8362119B2 (de) |
EP (1) | EP1791902B1 (de) |
JP (2) | JP4644711B2 (de) |
KR (1) | KR101285996B1 (de) |
CN (1) | CN101023126B (de) |
AT (1) | ATE539107T1 (de) |
DE (1) | DE102004048876A1 (de) |
WO (1) | WO2006029711A1 (de) |
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- 2005-08-31 US US11/662,457 patent/US8362119B2/en active Active
- 2005-08-31 KR KR1020077008309A patent/KR101285996B1/ko active IP Right Grant
- 2005-08-31 JP JP2007530623A patent/JP4644711B2/ja not_active Expired - Fee Related
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007023206A (ja) * | 2005-07-20 | 2007-02-01 | Asahi Kasei Chemicals Corp | 難燃性ポリアミド樹脂組成物 |
JP2009041016A (ja) * | 2007-08-06 | 2009-02-26 | Clariant Internatl Ltd | 熱可塑性ポリマー用の難燃剤混合物、及び難燃性ポリマー |
WO2013045966A1 (en) * | 2011-09-28 | 2013-04-04 | Italmatch Chemicals S.P.A. | Halogen-free flame retardant polyamides composition |
US10240028B2 (en) | 2011-09-28 | 2019-03-26 | Italmatch Chemicals S.P.A. | Halogen-free flame retardant polyamides composition |
EP3034554A1 (de) | 2014-12-19 | 2016-06-22 | LANXESS Deutschland GmbH | Polyamidzusammensetzungen |
EP3034553A1 (de) | 2014-12-19 | 2016-06-22 | LANXESS Deutschland GmbH | Polyamidzusammensetzungen |
EP3546510A1 (de) | 2018-03-26 | 2019-10-02 | LANXESS Deutschland GmbH | Polyamidzusammensetzungen |
EP3546511A1 (de) | 2018-03-26 | 2019-10-02 | LANXESS Deutschland GmbH | Polyamidzusammensetzungen |
WO2022199869A1 (de) | 2021-03-26 | 2022-09-29 | Lanxess Deutschland Gmbh | Polyamidzusammensetzungen |
Also Published As
Publication number | Publication date |
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KR20070064627A (ko) | 2007-06-21 |
CN101023126A (zh) | 2007-08-22 |
ATE539107T1 (de) | 2012-01-15 |
JP2011021204A (ja) | 2011-02-03 |
EP1791902B1 (de) | 2011-12-28 |
JP4644711B2 (ja) | 2011-03-02 |
US8362119B2 (en) | 2013-01-29 |
KR101285996B1 (ko) | 2013-07-15 |
US20080161490A1 (en) | 2008-07-03 |
EP1791902A1 (de) | 2007-06-06 |
DE102004048876A1 (de) | 2006-03-30 |
CN101023126B (zh) | 2012-08-22 |
JP2008512525A (ja) | 2008-04-24 |
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