WO2011051121A1 - Wärmealterungsbeständige polyamide mit flammschutz - Google Patents
Wärmealterungsbeständige polyamide mit flammschutz Download PDFInfo
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- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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Definitions
- the invention relates to thermoplastic molding compositions containing
- the invention relates to the use of the molding compositions according to the invention for the production of fibers, films and moldings of any kind, as well as the moldings obtainable in this case.
- Thermoplastic polyamides such as PA6 and PA66 are often used in the form of glass-fiber-reinforced molding compositions as construction materials for components which are exposed to elevated temperatures during their service life, resulting in thermo-oxidative damage.
- thermo-oxidative damage By adding known heat stabilizers, although the occurrence of the thermo-oxidative damage can be delayed, it can not be prevented permanently. in a fall of the mechanical characteristics expresses.
- the improvement of the heat aging resistance (WAB) of polyamides is highly desirable, as it allows longer lifetimes for thermally stressed components can be achieved, or their failure risk can be reduced. Alternatively, an improved WAB may also allow the components to be used at higher temperatures.
- the heat aging resistance is still insufficient in the known molding compositions, especially over longer periods of thermal stress.
- the surface of the moldings is in need of improvement, since in the heat aging form porous spots and blistering occurs.
- Combinations of polyethyleneimines with iron powder are proposed in the recent EP application Serial No. 08171803.3 for improving the MCA.
- the molding compositions of the invention contain 10 to 98, preferably 20 to 97 and in particular 25 to 90 wt .-% of at least one polyamide.
- the polyamides of the molding compositions according to the invention generally have a viscosity number of 90 to 350, preferably 1 10 to 240 ml / g, determined in a 0.5 wt .-% solution in 96 wt .-% sulfuric acid at 25 ° C according to ISO 307.
- Semicrystalline or amorphous resins having a weight average molecular weight of at least 5,000 e.g. U.S. Patents 2,071,250, 2,071,251, 2,130,523, 2,130,948, 2,241,322, 2,312,966, 2,512,606 and 3,393,210 are preferred.
- polyamides which are derived from lactams having 7 to 13 ring members, such as polycaprolactam, polycapryllactam and polylaurolactam, and also polyamides which are obtained by reacting dicarboxylic acids with diamines.
- alkanedicarboxylic acids having 6 to 12, in particular 6 to 10 carbon atoms and aromatic dicarboxylic acids can be used.
- adipic acid, azelaic acid, sebacic acid, dodecanedioic acid and terephthalic and / or isophthalic acid are mentioned as acids.
- Suitable diamines are particularly alkanediamines having 6 to 12, especially 6 to 8 carbon atoms and m-xylylenediamine are suitable (for example Ultramid ® X17 from BASF SE, a 1: 1 molar ratio of MXDA with adipic acid), di- (4-aminophenyl) methane, Di- (4-amino-cyclohexyl) -methane, 2,2-di- (4-aminophenyl) -propane, 2,2-di- (4-aminocyclohexyl) -propane or 1,5-diamino-2- methyl-pentane.
- Ultramid ® X17 from BASF SE, a 1: 1 molar ratio of MXDA with adipic acid
- di- (4-aminophenyl) methane Di- (4-amino-cyclohexyl) -methane
- Preferred polyamides are polyhexamethylene adipamide, polyhexamethylene sebacamide and polycaprolactam and copolyamides 6/66, in particular with a proportion of 5 to 95 wt .-% of caprolactam units (for example Ultramid ® C31 BASF SE).
- polyamides are obtainable from ⁇ -aminoalkyl nitriles such as, for example, aminocapronitrile (PA 6) and adiponitrile with hexamethylenediamine (PA 66) by so-called direct polymerization in the presence of water, as for example in DE-A 10313681, EP-A 1 198491 and EP 922065 described.
- ⁇ -aminoalkyl nitriles such as, for example, aminocapronitrile (PA 6) and adiponitrile with hexamethylenediamine (PA 66) by so-called direct polymerization in the presence of water, as for example in DE-A 10313681, EP-A 1 198491 and EP 922065 described.
- polyamides which are e.g. are obtainable by condensation of 1, 4-diaminobutane with adipic acid at elevated temperature (polyamide 4.6). Manufacturing processes for polyamides of this structure are known e.g. in EP-A 38 094, EP-A 38 582 and EP-A 39 524 described.
- polyamides which are obtainable by copolymerization of two or more of the abovementioned monomers or mixtures of a plurality of polyamides are suitable, the mixing ratio being arbitrary. Particular preference is given to mixtures of polyamide 66 with other polyamides, in particular copolyamides 6/66.
- the triamine content is less than 0.5, preferably less than 0.3 wt .-% (see EP-A 299 444).
- Further high-temperature-resistant polyamides are known from EP-A 19 94 075 (PA 6T / 6I / MXD6)
- the production of the preferred partly aromatic copolyamides with a low triamine content can be carried out by the processes described in EP-A 129 195 and 129 196.
- PA 46 tetramethylenediamine, adipic acid
- PA 66 hexamethylenediamine, adipic acid
- PA 610 hexamethylenediamine, sebacic acid
- PA 612 hexamethylenediamine, decanedicarboxylic acid
- PA 613 hexamethylenediamine, undecanedicarboxylic acid
- PA 1212 1, 12-dodecanediamine, decanedicarboxylic acid
- PA 1313 1, 13-diaminotridecane, undecanedicarboxylic acid
- PA 6T hexamethylenediamine, terephthalic acid
- PA MXD6 m-xylylenediamine, adipic acid
- PA 9 T 1, 9-nonanediamine, adipic acid
- PA 6I hexamethylenediamine, isophthalic acid
- PA 6-3-T trimethylhexamethylenediamine, terephthalic acid
- PA 6 / 6T (see PA 6 and PA 6T)
- PA 6/66 (see PA 6 and PA 66)
- PA 6/12 see PA 6 and PA 12
- PA 66/6/610 see PA 66, PA 6 and PA 610)
- PA 6I / 6T see PA 61 and PA 6T
- PA PA PACM 12 diaminodicyclohexylmethane, laurolactam
- PA 6I / 6T / PACM such as PA 6I / 6T + diaminodicyclohexylmethane
- PA PDA-T phenylenediamine, terephthalic acid
- the molding compositions of the invention contain from 0.001 to 20, preferably from 0.05 to 10, and in particular from 0.1 to 5,% by weight of iron powder having a particle size (also referred to as particle size) of not more than 10 ⁇ m (d.sub.50 value). , which is obtainable by thermal decomposition of iron pentacarbonyl.
- ⁇ -Fe (ferrite) forms space-centered cubic lattice, is magnetizable, dissolves little
- Carbon occurs in pure iron up to 928 ° C. At 770 ° C (Curie temperature) it loses its ferromagnetic properties and becomes paramagnetic; Iron in the temperature range of 770 to 928 ° C is also referred to as ⁇ -Fe. At ordinary temperature and a pressure of at least
- ⁇ -Fe is converted into so-called ⁇ -Fe with a volumetric reduction of approx. 0.20 cm 3 / mol, with the density increasing from 7.85 to 9.1 (at 20,000 MPa).
- ⁇ -Fe (austenite) forms surface-centered cubic lattice, is non-magnetic, dissolves a lot of carbon and can only be observed in the temperature range of 928 to 1398 ° C.
- ⁇ -Fe body centered, exists between 1398 ° C and the melting point 1539 ° C.
- Metallic iron is generally silver white, with a density of 7.874 (heavy metal), melting point 1539 ° C, boiling point 2880 ° C; specific heat (between 18 and 100 ° C) about 0.5 g- 1 K- 1 , tensile strength 220 to 280 N / mm 2 . The values apply to the chemically pure iron.
- Iron is produced industrially by smelting iron ores, iron slags, pebbles, gout dust and by remelting scrap and alloy.
- the iron powder of the invention is prepared by thermal decomposition of Eisenpen- tacarbonyl, preferably at temperatures of 150 ° C to 350 ° C.
- the particles (particles) obtainable in this case have a preferably spherical shape, i. spherical or nearly spherical shape (also referred to as spherulitic).
- Preferred iron powder has a particle size distribution as described below, the particle size distribution being determined by laser diffraction in a highly diluted aqueous suspension (e.g.
- the particle size (and distribution) described below can be adjusted by milling and / or sieving.
- the component B) has an iron content of 97 to 99.8 g / 100 g, preferably from 97.5 to 99.6 g / 100 g.
- the content of further metals is preferably below 1000 ppm, in particular below 100 ppm and very particularly below 10 ppm.
- the Fe content is usually determined by infrared spectroscopy.
- the C content is preferably 0.01 to 1.2, preferably 0.05 to 1.1, g / 100 g, more preferably 0.4 to 1.1 g / 100 g. In the preferred iron powders, this C content corresponds to those which are not reduced with hydrogen following the thermal decomposition.
- the C content is usually determined by burning the sample amount in the oxygen stream and subsequent IR detection of the resulting CO 2 gas (using Leco CS230 or CS-mat 6250 from Juwe) based on ASTM E1019.
- the nitrogen content is preferably max. 1.5 g / 100 g, preferably from 0.01 to 1.2 g / 100 g.
- the oxygen content is preferably max. 1.3 g / 100 g, preferably 0.3 to
- N and O are made by heating the sample in the graphite furnace to approx. 2100 ° C.
- the oxygen obtained in the sample is converted to CO and measured by an IR detector.
- the N released from the N-containing compounds under the reaction conditions is discharged with the carrier gas and detected and recorded by means of WLD (Thermal Conductivity Detector / TC) (both methods in accordance with ASTM E1019).
- the tap density is preferably 2.5 to 5 g / cm 3 , in particular 2.7 to 4.4 g / cm 3 . This is generally understood to mean density when, for example, the powder is filled into the container and shaken to achieve compaction.
- Further preferred iron powders may be surface-coated with iron phosphate, iron phosphite or S1O2.
- the BET surface area in accordance with DIN ISO 9277 is preferably from 0.1 to 10 m 2 / g, in particular from 0.1 to 5 m 2 / g, preferably from 0.2 to 1 m 2 / g and in particular from 0.4 to 1 m 2 / g.
- the mass fraction of the iron in the polymer is usually 15 to 80, preferably 20 to 40% by mass.
- the molding compositions according to the invention contain 1 to 40, preferably 2 to 30 and in particular 5 to 20 wt .-% of a halogen-free flame retardant selected from the group of nitrogen-containing or phosphorus-containing compounds or PN condensates or mixtures thereof.
- the melamine cyanurate which is preferably suitable according to the invention is a reaction product of preferably equimolar amounts of melamine (formula I) and cyanuric acid or isocyanuric acid (formulas Ia and Ib)
- the commercially available product is a white powder with an average particle size dso of 1, 5 - 7 ⁇ .
- melamine melamine borate
- oxalate phosphate prim.
- pyrophosphate sec neopentyl glycol boronic acid melamine and polymeric melamine phosphate (CAS No. 56386-64-2).
- Suitable guanidine salts are
- compounds are meant to be both e.g. Benzogumanamin itself and its adducts or salts as well as the nitrogen-substituted derivatives and its adducts or salts are understood.
- ammonium polyphosphate with n about 200 to 1000, preferably 600 to 800, and tris (hydroxyethyl) isocyanurate (THEIC) of the formula (II)
- Ar aromatic carboxylic acids
- Suitable carboxylic acids are, for example, phthalic acid, isophthalic acid, terephthalic acid, 1,3,5-benzenetricarboxylic acid, 1,2,4-benzenetricarboxylic acid, pyromellitic acid, melanoic acid, prehnitic acid, 1-naphthoic acid, 2-naphthoic acid, naphthalene dicarboxylic acids and anthracene carboxylic acids.
- the preparation is carried out by reacting the tris (hydroxyethyl) isocyanurate with the acids, their alkyl esters or their halides according to the processes of
- reaction products are a mixture of monomeric and oligomeric esters, which may also be crosslinked.
- the degree of oligomerization is usually from 2 to about 100, preferably from 2 to 20.
- Preference is given to using mixtures of THEIC and / or its reaction products with phosphorus-containing nitrogen compounds, in particular (NH4POs) n or melamine pyrophosphate or polymeric melamine phosphate.
- the mixing ratio e.g. from (NH4POs) n to THEIC is preferably 90 to 50 to 10 to 50, especially 80 to 50 to 50 to
- benzoguanamine compounds of the formula (III) in which R, R 'are straight-chain or branched alkyl radicals having 1 to 10 C atoms, preferably hydrogen, and in particular their adducts with phosphoric acid, boric acid and / or pyrophosphoric acid.
- R, R ' have the meaning given in formula III and their salts with phosphoric acid, boric acid and / or pyrophosphoric acid and glycolurils of the formula (V) or its salts with the abovementioned acids
- Suitable products are commercially available or according to DE-A 196 14 424.
- the cyanoguanidine (Formula VI) which can be used according to the invention is obtained e.g. by reaction of calcium cyanamide with carbonic acid, wherein the resulting cyanamide dimerizes at pH 9 to 10 to cyanguanidine.
- HN XH The commercially available product is a white powder with a melting point of 209 ° C to 21 1 ° C.
- Phosphorus acid salts of the formula (I) and / or diphosphinic acid salts of the formula (II) and / or their polymers are preferred as phosphorus-containing inorganic compounds,
- R 1 , R 2 is hydrogen, C 1 - to C 6 -alkyl, preferably C 1 - to C 4 -alkyl, linear or branched, for example methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl , n-pentyl;
- R 3 is C 1 -C 10 -alkylene, linear or branched, for example methylene, ethylene, n-propylene, isopropylene, n-butylene, tert-butylene, n-pentylene, n-octylene, n-dodecylene; Arylene, eg phenylene, naphthylene;
- Alkylarylene e.g. Methyl-phenylene, ethyl-phenylene, tert-butyl-phenylene, methyl-naphthylene, ethyl-naphthylene, tert-butyl-naphthylene;
- Arylalkylene e.g. Phenylmethylene, phenylethylene, phenylpropylene, phenylbutylene;
- M is an alkaline earth, alkali metal, Al, Zn, Fe, boron;
- n is an integer of 1 to 3;
- n is an integer of 1 and 3 and
- x 1 or 2 Particular preference is given to compounds of the formula II in which R 1 and R 2 are hydrogen, where M is preferably Zn or Al and calcium phosphinate is very particularly preferred. Such products are commercially available, for example, as calcium phosphinate.
- Suitable salts of the formula I or II in which only one radical R 1 or R 2 is hydrogen are, for example, salts of phenylphosphinic acid, their Na and / or Ca salts being preferred.
- R 1 and R 2 are ethyl radicals, where M is preferably Zn or Ca and Al diethylphosphinate is particularly preferred.
- Al-diethylphosphinate in admixture with melamine cyanurate and / or melamine polyphosphate (3: 1 to 1, 5: 1) are preferred as the flame retardant system.
- These contain up to 10, preferably up to 6 wt .-% (based on 100 wt .-% of the above mixture), preferably a borate synergist.
- Suitable metal borates are borates of metals of the 1st to 3rd main group and the 1 to 8 subgroup of the periodic table, wherein anhydrous zinc borate or zinc borate of the general formula in which x is from 3.3 to 3.7, are preferred.
- This zinc borate is essentially stable at the high processing temperatures of the partly aromatic polyamides and has only a slight tendency to split off the water of hydration. Accordingly, zinc borates with a higher proportion of hydrated water are generally less suitable as synergists. It is also possible to use mixtures of metal borates with metal oxides, the mixing ratio being arbitrary.
- the phosphorus-containing compounds of component C) are preferably organic and inorganic phosphorus-containing compounds in which the phosphorus has the valence state -3 to +5.
- level of oxidation is understood to mean the term "oxidation state” as used in the textbook of inorganic chemistry by A.F. Hollemann and E. Wiberg, Walter des Gruyter and Co. (1964, 57th to 70th edition), pages 166 to 177, is reproduced.
- Phosphorus compounds of valence levels -3 to +5 are derived from phosphine (-3), diphosphine (-2), phosphine oxide (-1), elemental phosphorus (+0), hypophosphorous acid (+1), phosphorous acid (+3), Hypodiphosphoric acid (+4) and phosphoric acid (+5).
- phosphorus compounds of the phosphine class which have the valence state -3 are aromatic phosphines, such as triphenylphosphine, tritolylphosphine, trinonylphosphine, trinaphthylphosphine and trisnonylphenylphosphine, among others. Triphenylphosphine is particularly suitable.
- Examples of phosphorus compounds of the diphosphine class which have the valence state -2 are tetraphenyldiphosphine, tetranaphthyldiphosphine and the like. Particularly suitable is tetranaphthyldiphosphine.
- Phosphorus compounds of valence state -1 are derived from the phosphine oxide.
- R 1 , R 2 and R 3 denote identical or different alkyl, aryl, alkylaryl or cycloalkyl groups having 8 to 40 carbon atoms.
- phosphine oxides are triphenylphosphine oxide, tritolylphosphine oxide, trisynylphenylphosphine oxide, tricyclohexylphosphine oxide, tris (n-butyl) phosphine oxide, tris (n-hexyl) phosphine oxide, tris (n-octyl) phosphine oxide, tris (cyanoethyl) - phosphine oxide, benzylbis (cyclohexyl) phosphine oxide, benzylbisphenylphosphine oxide, phenylbis (n-hexyl) phosphine oxide.
- oxidized reaction products of phosphine with aldehydes especially from t-butylphosphine with glyoxal.
- Particular preference is given to using triphenylphosphine oxide, tricyclohexlyphosphine oxide, tris (n-octyl) phosphine oxide and tris (cyanoethyl) phosphine oxide.
- triphenylphosphine sulfide and its derivatives of phosphine oxides as described above.
- Phosphorus of the valence state +0 is the elemental phosphorus. Eligible are red and black phosphorus. Preference is given to red phosphorus.
- Phosphorus compounds of the "oxidation state" +1 are, for example, hypophosphites of purely organic nature, for example organic hypophosphites, such as cellulose hypophosphite esters, esters of hypophosphorous acids with diols, for example of 1,10-dodecyldiol.
- organic hypophosphites such as cellulose hypophosphite esters, esters of hypophosphorous acids with diols, for example of 1,10-dodecyldiol.
- Substituted phosphinic acids and their anhydrides, such as diphenylphosphinic can be used.
- diphenylphosphinic acid di-p-tolylphosphinic acid, di-cresylphosphinic anhydride
- diphenylphosphinic acid di-p-tolylphosphinic acid, di-cresylphosphinic anhydride
- hydroquinone ethylene glycol
- propylene glycol bis (diphenylphosphinic) - esters inter alia in question.
- aryl (alkyl) phosphinic acid amides such as, for example, diphenylphosphinic acid dimethylamide and sulfonamidoaryl (alkyl) phosphinic acid derivatives, for example p-tolylsulfonamidodiphenylphosphinic acid.
- Hydroquinone and ethylene glycol bis (diphenylphosphinic) esters and the bis-diphenylphosphinate of hydroquinone are preferably used.
- Phosphorus compounds of the oxidation state +3 are derived from the phosphorous acid. Suitable are cyclic phosphonates derived from pentaerythritol, neopentyl glycol or catechol, e.g.
- +3 valence phosphorous is in triaryl (alkyl) phosphites, e.g.
- Triphenyl phosphite tris (4-decylphenyl) phosphite, tris (2,4-di-tert-butylphenyl) phosphite or phenyldidecyl phosphite and the like. contain. But there are also diphosphites, such. Propylene glycol-1, 2-bis (diphosphite) or cyclic phosphites derived from pentaerythritol, neopentyl glycol or catechol, in question.
- methyl neopentyl glycol phosphonate and phosphite and dimethyl pentaerythritol diphosphonate and phosphite are particularly preferred.
- hypodiphosphates such as. Tetraphenyl hypodiphosphate or Bisneopentylhypodiphosphat into consideration.
- Suitable phosphorus compounds of the oxidation state +5 are, in particular, alkyl- and aryl-substituted phosphates.
- Examples are phenylbisdodecylphosphate, phenylethylhydrogenphosphate, phenylbis (3,5,5-trimethylhexyl) phosphate, ethyldiphenylphosphate, 2-ethylhexyldi (tolyl) phosphate, diphenylhydrogenphosphate, bis (2-ethylhexyl) p-tolylphosphate, tritolylphosphate, bis (2-ethylhexyl) phenyl phosphate, di (nonyl) phenyl phosphate, phenylmethyl hydrogen phosphate, di (dodecyl) p-tolyl phosphate, p-tolylbis (2,5,5-trimethylhexyl) phosphate or 2-ethylhexyl
- R 4 -R 7 is an aromatic radical having 6 to 20 C atoms, preferably a phenyl radical which may be substituted by alkyl groups having 1 to 4 C atoms, preferably methyl,
- R 8 is a divalent phenol radical, preferred and n an average value between 0.1 to 100, preferably 0.5 to 50, in particular 0.8 to 10 and very particularly 1 to 5.
- cyclic phosphates can also be used. Particularly suitable here is diphenylpentaerythritol diphosphate and phenylneopentyl phosphate.
- diphenylpentaerythritol diphosphate and phenylneopentyl phosphate are still oligomeric and polymeric phosphorus compounds in question.
- Such polymeric, halogen-free organic phosphorus compounds containing phosphorus in the polymer chain are formed, for example, in the preparation of pentacyclic, unsaturated phosphine dihalides, as described, for example, in DE-A 20 36 173.
- the molecular weight measured by vapor pressure osmometry in dimethylformamide, the Polyphospholinoxide should be in the range of 500 to 7000, preferably in the range of 700 to 2000.
- the phosphorus here has the oxidation state -1.
- inorganic coordination polymers of aryl (alkyl) phosphinic acids such as poly-ß-sodium (l) -methylphenylphosphinat be used. Their preparation is given in DE-A 31 40 520.
- the phosphorus has the oxidation number +1.
- halogen-free polymeric phosphorus compounds by the reaction of a phosphonic acid chloride, such as phenyl, methyl, propyl, styryl and vinylphosphonic dichloride with bifunctional phenols, such as hydroquinone, resorcinol, 2,3,5-trimethylhydroquinone, bisphenol-A , Tetramethylbiphenol-A arise.
- polymeric phosphorus compounds which may be present in the molding compositions according to the invention are prepared by reaction of phosphorus oxide trichloride or phosphoric ester dichlorides with a mixture of mono-, bi- and trifunctional phenols and compounds carrying other hydroxyl groups (see Houben-Weyl- Müller, Thieme-Verlag Stuttgart, Organic Phosphorus Compounds Part II (1963)).
- polymeric phosphonates can be prepared by transesterification reactions of phosphonic acid esters with bifunctional phenols (cf DE-A 29 25 208) or by reactions of phosphonic acid esters with diamines or diamides or hydrazides (compare US Pat. No. 4,403,075).
- inorganic poly ammonium phosphate
- Preferred compounds C) are those in which R 1 to R 20 independently of one another are hydrogen and / or a methyl radical.
- R 1 to R 20 independently of one another are methyl
- such compounds C) are preferred in which the radicals R 1 , R 5 , R 6 , R 10 , R 11 , R 15 , R 16 , R 20 in ortho position to the oxygen of the phosphate group represent at least one methyl radical.
- substituents are SO 2 and S, and most preferably C (CH 3) 2 for X in the above formula (VI).
- n is preferably 0.5 to 5, in particular 0.7 to 2 and in particular "1" as an average value.
- n as an average value results from the preparation of the compounds listed above, so that the degree of oligomerization is usually less than 10 and small amounts (usually ⁇ 5 wt .-%) are included in triphenyl phosphate, this being different from batch to batch.
- Compounds C) are commercially available as CR-741 from Daihachi.
- P-N condensates are suitable, in particular those as described in the
- Particularly preferred combinations C) are mixtures of phosphorus- and nitrogen-containing compounds, wherein mixing ratios of 1:10 to 10: 1, preferably 1: 9 to 9: 1 are preferred.
- the molding compositions of the invention may contain up to 70, preferably up to 50 wt .-% of other additives.
- Fibrous or particulate fillers D1 which may be mentioned are carbon fibers, glass fibers, glass spheres, amorphous silica, calcium silicate, calcium metasilicate, magnesium carbonate, kaolin, chalk, powdered quartz, mica, barium sulfate and feldspar, which are used in amounts of from 1 to 50% by weight. %, in particular 1 to 40, preferably 10 to 40 wt .-% are used.
- Preferred fibrous fillers are carbon fibers, aramid fibers and potassium titanate fibers, glass fibers being particularly preferred as E glass. These can be used as rovings or cut glass in the commercial forms.
- the fibrous fillers can be surface-pretreated with a silane compound.
- Suitable silane compounds are those of the general formula
- X is NH 2 -, CH 2 -CH-, HO-,
- O n is an integer from 2 to 10, preferably 3 to 4
- n is an integer from 1 to 5, preferably 1 to 2
- k is an integer from 1 to 3, preferably 1
- Preferred silane compounds are aminopropyltrimethoxysilane, aminobutyltrimethoxysilane, aminopropyltriethoxysilane, aminobutyltriethoxysilane and the corresponding silanes which contain a glycidyl group as substituent X.
- the silane compounds are generally used in amounts of from 0.01 to 2, preferably from 0.025 to 1.0, and in particular from 0.05 to 0.5,% by weight (based on E)) of the surface coating.
- acicular mineral fillers are also suitable.
- needle-shaped mineral fillers are understood to mean a mineral filler with a pronounced, needle-like character.
- An example is acicular wollastonite.
- the mineral has an L / D (length diameter) ratio of 8: 1 to 35: 1, preferably 8: 1 to 1: 1: 1.
- the mineral filler may optionally be pretreated with the silane compounds mentioned above; however, pretreatment is not absolutely necessary.
- fillers are kaolin, calcined kaolin, wollastonite, talc and chalk called as well as platelet or needle-shaped nanofillers preferably in amounts between 0.1 and 10%.
- Boehmite, bentonite, montmorillonite, vermicullite, hectorite and laponite are preferably used for this purpose.
- the addition of the platelet- or needle-shaped nanofillers to the nanocomposites according to the invention leads to a further increase in the mechanical strength.
- the molding compositions according to the invention may contain 0.05 to 3, preferably 0.1 to 1, 5 and in particular 0.1 to 1 wt .-% of a lubricant.
- a lubricant Preference is given to Al, alkali metal, alkaline earth metal salts or esters or amides of fatty acids having 10 to 44 carbon atoms, preferably having 12 to 44 carbon atoms.
- the metal ions are preferably alkaline earth and Al, with Ca or Mg being particularly preferred.
- Preferred metal salts are Ca-stearate and Ca-montanate as well as Al-stearate and a mixture of Al-distearate with Al-tristearate (Alugel® 30DF from Baerlocher).
- the carboxylic acids can be 1- or 2-valent. Examples which may be mentioned are pelargonic acid, palmitic acid, lauric acid, margaric acid, dodecanedioic acid, behenic acid and particularly preferably stearic acid, capric acid and montanic acid (mixture of fatty acids having 30 to 40 carbon atoms).
- the aliphatic alcohols can be 1 - to 4-valent.
- examples of alcohols are n-butanol, n-octanol, stearyl alcohol, ethylene glycol, propylene glycol, neopentyl glycol, pentaerythritol, with glycerol and pentaerythritol being preferred.
- the aliphatic amines can be 1 - to 3-valent. Examples of these are stearylamine, ethylenediamine, propylenediamine, hexamethylenediamine, di (6-aminohexyl) amine, with ethylenediamine and hexamethylenediamine being particularly preferred.
- preferred esters or amides are glycerol distearate, glycerol tristearate, ethylenediamine distearate, glycerol monopalmitate, glycerol trilaurate, glycerol monobehenate and pentaerythritol tetrastearate.
- the molding compositions according to the invention may contain from 0.05 to 3, preferably from 0.1 to 1, 5 and in particular from 0.1 to 1,% by weight of a Cu stabilizer,
- a Cu (l) halide in particular in admixture with an alkali halide, preferably KJ, in particular in the ratio 1: 4, or a sterically hindered phenol or mixtures thereof.
- Suitable salts of monovalent copper are preferably copper (I) acetate, copper (I) chloride, bromide and iodide. These are contained in amounts of 5 to 500 ppm of copper, preferably 10 to 250 ppm, based on polyamide.
- the advantageous properties are obtained in particular when the copper is present in molecular distribution in the polyamide.
- This is achieved by adding to the molding compound a concentrate containing polyamide, a salt of monovalent copper and an alkali halide in the form of a solid, homogeneous solution.
- a typical concentrate is e.g. from 79 to 95 wt .-% polyamide and 21 to 5 wt .-% of a mixture of copper iodide or bromide and potassium iodide.
- the concentration of the solid homogeneous solution of copper is preferably between 0.3 and 3, in particular between 0.5 and 2 wt .-%, based on the total weight of the solution and the molar ratio of copper (I) iodide to potassium iodide is between 1 and 1 1, 5, preferably between 1 and 5.
- Suitable polyamides for the concentrate are homopolyamides and copolyamides, in particular polyamide 6 and polyamide 6.6.
- Suitable hindered phenols D3) are in principle all compounds having a phenolic structure which have at least one sterically demanding group on the phenolic ring.
- R 1 and R 2 are an alkyl group, a substituted alkyl group or a substituted triazole group, wherein the radicals R 1 and R 2 may be the same or different and R 3 is an alkyl group, a substituted alkyl group, an alkoxy group or a substituted amino group.
- Antioxidants of the type mentioned are described, for example, in DE-A 27 02 661 (US Pat. No. 4,360,617).
- Another group of preferred sterically hindered phenols are derived from substituted benzenecarboxylic acids, especially substituted benzenepropionic acids.
- Particularly preferred compounds of this class are compounds of the formula
- R 4 , R 5 , R 7 and R 8 independently of one another are C 1 -C 8 -alkyl groups which in turn may be substituted (at least one of which is a sterically demanding group) and R 6 is a divalent aliphatic radical having 1 to 10 C Atoms, which may also have CO bonds in the main chain.
- a total of sterically hindered phenols may be mentioned: 2,2'-methylenebis (4-methyl-6-tert-butylphenol), 1,6-hexanediol bis [3- (3,5-di-tert. -butyl-4-hydroxyphenyl) -propionate), pentaerythrityl-tetrakis [3- (3,5-di-tert-butyl-4-hydroxy-phenol) -propionate], distearyl-3,5-di-tert.
- the antioxidants D which can be used individually or as mixtures, are in an amount of 0.05 to 3 wt .-%, preferably from 0.1 to 1, 5 wt .-%, in particular 0.1 to 1 Wt .-%, based on the total weight of the molding compositions A) to D).
- sterically hindered phenols having no more than one sterically hindered group ortho to the phenolic hydroxy group have been found to be particularly advantageous; especially when assessing color stability when stored in diffused light for extended periods of time.
- the molding compositions according to the invention may contain 0.05 to 5, preferably 0.1 to 2 and in particular 0.25 to 1 wt .-% of a nigrosine.
- Nigrosines are generally understood to mean a group of black or gray indulene-related phenazine dyes (azine dyes) in various embodiments (water-soluble, fat-soluble, gas-soluble) used in wool dyeing and printing, in black dyeing of silks, for dyeing of leather, shoe creams, varnishes, plastics, stoving lacquers, inks and the like, as well as being used as microscope dyes.
- the nigrosine is technically obtained by heating nitrobenzene, aniline and aniline with anhydrous metal.
- Component D4 can be used as the free base or else as the salt (for example hydrochloride).
- nigrosines can be found, for example, in the electronic lexicon Rompp Online, Version 2.8, Thieme-Verlag Stuttgart, 2006, keyword "nigrosine".
- Other customary additives D) are, for example, in amounts of up to 25, preferably up to 20 wt .-% rubber-elastic polymers (often also referred to as impact modifiers, elastomers or rubbers).
- these are 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 esters with 1 to 18 C Atoms in the alcohol component.
- Such polymers are described, for example, in Houben-Weyl, Methods of Organic Chemistry, Vol. 14/1 (Georg Thieme Verlag, Stuttgart, 1961). Pages 392 to 406 and in the monograph by CB Bucknall, "Toughened Plastics" (Applied Science Publishers, London, 1977). In the following some preferred types of such elastomers are presented.
- EPM ethylene-propylene
- EPDM ethylene-propylene-diene
- diene monomers for EPDM rubbers for example, conjugated dienes such as isoprene and butadiene, non-conjugated dienes having 5 to 25 carbon atoms such as penta-1, 4-diene, hexa-1, 4-diene, hexa-1, 5 -diene, 2,5-dimethylhexa-1,5-diene and octa-1,4-diene, cyclic dienes such as cyclopentadiene, cyclohexadienes, cyclooctadienes and dicyclopentadienes, and alkenylnorbornenes such as 5-ethylidene-2-norbornene, 5- Butylidene-2-norbornene, 2-methallyl-5-norbornene, 2-isopropenyl-5-norbornene and tricyclodienes such as 3-methyltricyclo (5.2.1.0.2.6) -3,8-decadiene or mixtures thereof.
- the diene content of the EPDM rubbers is preferably 0.5 to 50, in particular 1 to 8 wt .-%, based on the total weight of the rubber.
- EPM or EPDM rubbers may preferably also be grafted with reactive carboxylic acids or their derivatives.
- reactive carboxylic acids or their derivatives e.g. Acrylic acid, methacrylic acid and its derivatives, e.g. Glycidyl (meth) acrylate, and called maleic anhydride.
- Another group of preferred rubbers are copolymers of ethylene with acrylic acid and / or methacrylic acid and / or the esters of these acids.
- the rubbers may also contain dicarboxylic acids such as maleic acid and fumaric acid or derivatives of these acids, for example esters and anhydrides, and / or monomers containing epoxy groups.
- dicarboxylic acids such as maleic acid and fumaric acid or derivatives of these acids, for example esters and anhydrides, and / or monomers containing epoxy groups.
- the monomers are preferably incorporated into the rubber by adding monomers containing dicarboxylic acid or epoxy groups of the general formulas I or II or III or IV to the monomer mixture
- R 1 to R 9 represent hydrogen or alkyl groups having 1 to 6 carbon atoms and m is an integer of 0 to 20, g is an integer of 0 to 10 and p is an integer of 0 to 5.
- the radicals R 1 to R 9 preferably denote hydrogen, where m is 0 or 1 and g is 1.
- the corresponding compounds are maleic acid, fumaric acid, maleic anhydride, allyl glycidyl ether and vinyl glycidyl ether.
- Preferred compounds of formulas I, II and IV are maleic acid, maleic anhydride and epoxy group-containing esters of acrylic acid and / or methacrylic acid, such as glycidyl acrylate, glycidyl methacrylate and the esters with tertiary alcohols, such as t-butyl acrylate. Although the latter have no free carboxyl groups, their behavior is close to the free acids and are therefore termed monomers with latent carboxyl groups.
- the copolymers consist of 50 to 98 wt .-% of ethylene, 0.1 to
- esters of acrylic and / or methacrylic acid are the methyl, ethyl, propyl and i- or t-butyl esters.
- vinyl esters and vinyl ethers can also be used as comonomers.
- the ethylene copolymers described above can be prepared by methods known per se, preferably by random copolymerization under high pressure and elevated temperature. Corresponding methods are generally known.
- Preferred elastomers are also emulsion polymers, their preparation e.g. at Blackley in the monograph "Emulsion Polymerization".
- the emulsifiers and catalysts which can be used are known per se. Basically, homogeneously constructed elastomers or those with a shell structure can be used. The shell-like structure is determined by the order of addition of the individual monomers; the morphology of the polymers is also influenced by this order of addition.
- monomers for the preparation of the rubber portion of the elastomers acrylates such as e.g.
- These monomers may be reacted with other monomers such as e.g. Styrene, acrylonitrile, vinyl ethers and other acrylates or methacrylates such as methyl methacrylate, methyl acrylate, ethyl acrylate and propyl acrylate are copolymerized.
- the soft or rubber phase (with a glass transition temperature below 0 ° C) of the elastomers may be the core, the outer shell, or a middle shell (for elastomers having more than two shell construction); in the case of multi-shell elastomers, it is also possible for a plurality of shells to consist of a rubber phase.
- one or more hard components having glass transition temperatures of more than 20 ° C.
- these are generally prepared by polymerization of styrene, acrylonitrile, methacrylonitrile, ⁇ -methylstyrene, p-methylstyrene, acrylic esters and methacrylic acid esters such as methyl acrylate, ethyl acrylate and methyl methacrylate as the main monomers.
- acrylic esters and methacrylic acid esters such as methyl acrylate, ethyl acrylate and methyl methacrylate as the main monomers.
- smaller proportions of other comonomers can also be used here.
- emulsion polymers which have reactive groups on the surface.
- groups are e.g. Epoxy, carboxyl, latent carboxyl, amino or amide groups, and functional groups obtained by concomitant use of monomers of the general formula
- R 10 is hydrogen or a C 1 - to C 4 -alkyl group
- R 11 is hydrogen, a C 1 - to C 6 -alkyl group or an aryl group, in particular phenyl
- R 12 is hydrogen, a C 1 - to C 10 -alkyl, C 1 - to C 12 -aryl or -OR 13
- R 13 is a C 1 - to C 5 -alkyl or C 1 - to C 12 -aryl group which may optionally be substituted by O- or N-containing groups
- X is a chemical bond, a C 1 -C 10 -alkylene or C 6 -C 12 -alkyl radical Arylene group o-
- Z is a C 1 -C 10 -alkylene or C 1 -C 12 -arylene group.
- the graft monomers described in EP-A 208 187 are also suitable for introducing reactive groups on the surface.
- acrylamide methacrylamide and substituted esters of acrylic acid or methacrylic acid, such as (Nt-butylamino) -ethyl methacrylate, (N, N-dimethylamino) ethyl acrylate, (N, N-dimethylamino) -methyl acrylate and (N, N-) Diethylamino) ethyl acrylate.
- the particles of the rubber phase can also be crosslinked.
- monomers acting as crosslinkers are buta-1,3-diene, divinylbenzene, diallyl phthalate and dihydrodicyclopentadienyl acrylate, and also the compounds described in EP-A 50 265.
- graft-linking monomers may also be used, i. Monomers having two or more polymerizable double bonds, which react at different rates in the polymerization. Preferably, those compounds are used in which at least one reactive group polymerizes at about the same rate as the other monomers, while the other reactive group (or reactive groups) e.g. significantly slower polymerizing (polymerizing).
- the different polymerization rates bring a certain proportion of unsaturated double bonds in the rubber with it. If a further phase is subsequently grafted onto such a rubber, the double bonds present in the rubber react at least partially with the graft monomers to form chemical bindings, ie. the grafted phase is at least partially linked via chemical bonds to the graft base.
- graft-crosslinking monomers examples include allyl-containing monomers, in particular allyl esters of ethylenically unsaturated carboxylic acids such as allyl acrylate, allyl methacrylate, diallyl maleate, diallyl fumarate, diallyl itaconate or the corresponding monoallyl compounds of these dicarboxylic acids.
- allyl-containing monomers in particular allyl esters of ethylenically unsaturated carboxylic acids such as allyl acrylate, allyl methacrylate, diallyl maleate, diallyl fumarate, diallyl itaconate or the corresponding monoallyl compounds of these dicarboxylic acids.
- graft-linking monomers there are a variety of other suitable graft-linking monomers; for further details, reference is made here, for example, to US Pat. No. 4,148,846.
- the proportion of these crosslinking monomers in the impact-modifying polymer is up to 5%
- graft polymers having a core and at least one outer shell, which have the following structure: Type monomers for the core monomers for the shell
- III such as I or II n-butyl acrylate, ethyl acrylate, methyl acrylate, buta-1, 3-diene, isoprene, ethylhexyl acrylate
- graft polymers having a multi-shell structure instead of graft polymers having a multi-shell structure, homogeneous, i. single-shell elastomers of buta-1, 3-diene, isoprene and n-butyl acrylate or copolymers thereof are used. These products can also be prepared by co-use of crosslinking monomers or monomers having reactive groups.
- emulsion polymers examples include n-butyl acrylate / (meth) acrylic acid copolymers, n-butyl acrylate / glycidyl acrylate or n-butyl acrylate / glycidyl methacrylate copolymers, graft polymers having an inner core of n-butyl acrylate or butadiene-based and an outer shell of the above copolymers and copolymers of ethylene with comonomers which provide reactive groups.
- the described elastomers may also be prepared by other conventional methods, e.g. by suspension polymerization.
- Silicone rubbers as described in DE-A 37 25 576, EP-A 235 690, DE-A 38 00 603 and EP-A 319 290, are likewise preferred. Of course, it is also possible to use mixtures of the rubber types listed above.
- the thermoplastic molding compositions of the invention may contain conventional processing aids such as stabilizers, Oxidationsverzogerer, agents against thermal decomposition and decomposition by ultraviolet light, lubricants and mold release agents, colorants such as dyes and pigments, nucleating agents, plasticizers, etc.
- processing aids such as stabilizers, Oxidationsverzogerer, agents against thermal decomposition and decomposition by ultraviolet light, lubricants and mold release agents, colorants such as dyes and pigments, nucleating agents, plasticizers, etc.
- Oxidationsverzogerer and heat stabilizers are sterically hindered phenols and / or phosphites and amines (eg TAD), hydroquinones, aromatic secondary amines such as diphenylamines, various substituted representatives of these groups and mixtures thereof in concentrations up to 1 wt .-%, based on the Weight of the thermoplastic molding compositions called.
- UV stabilizers which are generally used in amounts of up to 2 wt .-%, based on the molding composition, various substituted resorcinols, salicylates, benzotriazoles and benzophenones may be mentioned.
- inorganic pigments such as titanium dioxide, ultramarine blue, iron oxide and carbon black, furthermore organic pigments such as phthalocyanines, quinacridones, perylenes and also dyes such as anthraquinones as colorants.
- organic pigments such as phthalocyanines, quinacridones, perylenes and also dyes such as anthraquinones as colorants.
- nucleating agents sodium phenylphosphinate, alumina, silica and preferably talc may be used.
- thermoplastic molding compositions according to the invention can be prepared by processes known per se, in which mixing the starting components in conventional mixing devices such as screw extruders, Brabender mills or Banbury mills and then extruded. After extrusion, the extrudate can be cooled and comminuted. It is also possible to premix individual components and then to add the remaining starting materials individually and / or likewise mixed.
- the mixing temperatures are usually between 230 and 320 ° C.
- the components B) to C) and optionally D) can be mixed with a prepolymer, formulated and granulated.
- the granules obtained are then condensed in solid phase under inert gas continuously or discontinuously at a temperature below the melting point of component A) to the desired viscosity.
- thermoplastic molding compositions of the invention are characterized by good processability coupled with good mechanical properties, as well as a significantly improved weld line strength and thermal stability.
- Cylinder head covers are suitable for the production of fibers, films and moldings of any kind.
- Al-di / tristearate (Alugel® 30 DF from Baerlocher)
- the molding compositions were prepared on a ZSK 26 at a throughput of 25 kg / h and about 280 ° C flat temperature profile. The following measurements were carried out:
- VZ: c 5 g / l in 96% sulfuric acid, according to ISO 307
- compositions of the molding compositions and the results of the measurements are shown in the tables.
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Abstract
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Priority Applications (14)
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KR1020127013569A KR101865667B1 (ko) | 2009-10-27 | 2010-10-18 | 난연성을 갖는 열 노화 내성 폴리아미드 |
MX2012004654A MX2012004654A (es) | 2009-10-27 | 2010-10-18 | Poliamidas resistentes a añejamiento termico con retardo de llama. |
EP10774157.1A EP2493969B1 (de) | 2009-10-27 | 2010-10-18 | Wärmealterungsbeständige polyamide mit flammschutz |
CN2010800481957A CN102666693A (zh) | 2009-10-27 | 2010-10-18 | 具有阻燃性的耐热老化性聚酰胺 |
ES10774157T ES2429839T3 (es) | 2009-10-27 | 2010-10-18 | Poliamidas ignífugas estables al envejecimiento en caliente |
US13/504,524 US8450407B2 (en) | 2009-10-27 | 2010-10-18 | Heat aging-resistant polyamides with flame retardancy |
PL10774157T PL2493969T3 (pl) | 2009-10-27 | 2010-10-18 | Ogniochronne poliamidy na starzenie termiczne |
JP2012535736A JP5496351B2 (ja) | 2009-10-27 | 2010-10-18 | 難燃剤を有する耐熱老化性ポリアミド |
RU2012121580/04A RU2541527C2 (ru) | 2009-10-27 | 2010-10-18 | Устойчивые к тепловому старению полиамиды с огнезащитой |
AU2010311727A AU2010311727B2 (en) | 2009-10-27 | 2010-10-18 | Heat aging-resistant polyamides with flame retardancy |
CA2778491A CA2778491A1 (en) | 2009-10-27 | 2010-10-18 | Heat aging-resistant polyamides with flame retardancy |
BR112012009655A BR112012009655B1 (pt) | 2009-10-27 | 2010-10-18 | composição de moldagem termoplástica, uso das composições de moldagem termoplástica, e, fibra, folha, ou molde |
SI201030379T SI2493969T1 (sl) | 2009-10-27 | 2010-10-18 | Toplotno proti staranju odporni poliamidi z zaščito proti ognju |
IL218750A IL218750A (en) | 2009-10-27 | 2012-03-20 | Polyamides withstand heat over time with ignition inhibitor |
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EP (1) | EP2493969B1 (de) |
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CN (2) | CN102666693A (de) |
AU (1) | AU2010311727B2 (de) |
BR (1) | BR112012009655B1 (de) |
CA (1) | CA2778491A1 (de) |
ES (1) | ES2429839T3 (de) |
IL (1) | IL218750A (de) |
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PL (1) | PL2493969T3 (de) |
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US8450407B2 (en) | 2009-10-27 | 2013-05-28 | Basf Se | Heat aging-resistant polyamides with flame retardancy |
WO2013075982A1 (de) | 2011-11-25 | 2013-05-30 | Basf Se | Blasformbare polyamidformmassen |
US8536247B2 (en) | 2009-10-27 | 2013-09-17 | Basf Se | Polyamide resistant to heat aging |
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- 2010-10-18 WO PCT/EP2010/065580 patent/WO2011051121A1/de active Application Filing
- 2010-10-18 RU RU2012121580/04A patent/RU2541527C2/ru not_active IP Right Cessation
- 2010-10-18 PT PT107741571T patent/PT2493969E/pt unknown
- 2010-10-18 US US13/504,524 patent/US8450407B2/en active Active
- 2010-10-18 BR BR112012009655A patent/BR112012009655B1/pt active IP Right Grant
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- 2010-10-18 KR KR1020127013569A patent/KR101865667B1/ko active IP Right Grant
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- 2010-10-18 CN CN201610125521.9A patent/CN106380840A/zh active Pending
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US8268920B2 (en) | 2008-12-16 | 2012-09-18 | Basf Se | Heat aging resistant polyamides |
US8450407B2 (en) | 2009-10-27 | 2013-05-28 | Basf Se | Heat aging-resistant polyamides with flame retardancy |
US8536247B2 (en) | 2009-10-27 | 2013-09-17 | Basf Se | Polyamide resistant to heat aging |
US8629220B2 (en) | 2011-01-18 | 2014-01-14 | Basf Se | Hydrolysis-resistant polyamides |
US8629206B2 (en) | 2011-01-20 | 2014-01-14 | Basf Se | Flame-retardant thermoplastic molding composition |
US8653168B2 (en) | 2011-05-10 | 2014-02-18 | Basf Se | Flame-retardant thermoplastic molding composition |
US8987357B2 (en) | 2011-05-27 | 2015-03-24 | Basf Se | Thermoplastic molding composition |
JP2014533761A (ja) * | 2011-11-25 | 2014-12-15 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | ブロー成形可能なポリアミド成形材料 |
CN103958609A (zh) * | 2011-11-25 | 2014-07-30 | 巴斯夫欧洲公司 | 可吹塑的聚酰胺化合物 |
WO2013075982A1 (de) | 2011-11-25 | 2013-05-30 | Basf Se | Blasformbare polyamidformmassen |
CN103958609B (zh) * | 2011-11-25 | 2017-11-10 | 巴斯夫欧洲公司 | 可吹塑的聚酰胺化合物 |
US10655013B2 (en) | 2011-11-25 | 2020-05-19 | Basf Se | Blow-moldable polyamide compositions |
WO2015140016A1 (de) * | 2014-03-17 | 2015-09-24 | Basf Se | Vernetzte polyamide |
WO2018015253A1 (de) * | 2016-07-20 | 2018-01-25 | Clariant Plastics & Coatings Ltd | Flammschutzmittelmischungen, ihre herstellung und ihre verwendung |
WO2018015252A1 (de) * | 2016-07-20 | 2018-01-25 | Clariant Plastics & Coatings Ltd | Flammschutzmittelmischungen, ihre herstellung und ihre verwendung |
US11028324B2 (en) | 2016-07-20 | 2021-06-08 | Clariant Plastics & Coatings Ltd | Flame retardant mixtures, the production and the use thereof |
Also Published As
Publication number | Publication date |
---|---|
KR101865667B1 (ko) | 2018-06-08 |
ES2429839T3 (es) | 2013-11-18 |
RU2012121580A (ru) | 2013-12-10 |
SI2493969T1 (sl) | 2013-11-29 |
CN106380840A (zh) | 2017-02-08 |
RU2541527C2 (ru) | 2015-02-20 |
CN102666693A (zh) | 2012-09-12 |
CA2778491A1 (en) | 2011-05-05 |
MX2012004654A (es) | 2012-05-08 |
PT2493969E (pt) | 2013-09-06 |
MY156004A (en) | 2015-12-31 |
KR20120099240A (ko) | 2012-09-07 |
AU2010311727B2 (en) | 2014-12-04 |
PL2493969T3 (pl) | 2013-12-31 |
JP2013508522A (ja) | 2013-03-07 |
EP2493969B1 (de) | 2013-07-24 |
BR112012009655B1 (pt) | 2019-12-24 |
IL218750A (en) | 2015-05-31 |
US8450407B2 (en) | 2013-05-28 |
BR112012009655A2 (pt) | 2016-05-17 |
US20120208937A1 (en) | 2012-08-16 |
EP2493969A1 (de) | 2012-09-05 |
JP5496351B2 (ja) | 2014-05-21 |
IL218750A0 (en) | 2012-06-28 |
AU2010311727A1 (en) | 2012-05-24 |
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