EP2885347A1 - Produits ayant une meilleure résistance à la flamme - Google Patents

Produits ayant une meilleure résistance à la flamme

Info

Publication number
EP2885347A1
EP2885347A1 EP13753593.6A EP13753593A EP2885347A1 EP 2885347 A1 EP2885347 A1 EP 2885347A1 EP 13753593 A EP13753593 A EP 13753593A EP 2885347 A1 EP2885347 A1 EP 2885347A1
Authority
EP
European Patent Office
Prior art keywords
weight
composition
composition according
polycarbonate
components
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13753593.6A
Other languages
German (de)
English (en)
Inventor
Udo AHLBORN
Klaus Horn
Ciro Piermatteo
Matthias Rothe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Publication of EP2885347A1 publication Critical patent/EP2885347A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • C08K5/3472—Five-membered rings
    • C08K5/3475—Five-membered rings condensed with carbocyclic rings
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/005—Stabilisers against oxidation, heat, light, ozone
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Definitions

  • the present invention relates to polycarbonate compositions for the production of halogen-free moldings for use in public facilities that meet the appropriate fire protection regulations and standards. Furthermore, the present invention relates to the use of halogen-free polycarbonate compositions for the production of moldings, in particular seating and or parts of seating, e.g. Seating shells, which are flame-retardant and meet the standards for use in public buildings, as well as the moldings themselves. Due to the excellent properties of plastics such. Low density, transparency and toughness paired with thermoplastic formability, which ensure high design freedom at low processing costs, plastics are increasingly being used for the production of design objects as well as everyday objects. The manufacturers of molded parts can differentiate by their own design of their competitors, the molding materials for the production of design moldings are often highly transparent or colored transparent.
  • Perfluoroalkanesulfonic acids and bisphenol A polycarbonate are described in US 2009/0043023.
  • the bromine-containing flame retardant additive is used in high concentrations, over 5 wt .-%.
  • WO 2008/125203 A1 describes UV-protected polycarbonate molding compositions which contain halogen-containing flame retardants in concentrations which cause a bromine content of> 1000 ppm of bromine in the overall composition.
  • JP 1 1 0358 14 describes compositions comprising polycarbonate and optionally thermoplastic polyesters, 0.2 to 20% by weight of organic halogen-containing compounds and fluorinated polyolefms. However, the compositions do not contain flame retardant additives from the class of alkali or alkaline earth salts of aliphatic or aromatic sulfonic acid, sulfonamide and sulfonimide derivatives.
  • flame retardant formulations developed for polycarbonate are based on additions of, for example, PTFE (polytetrafluoroethylene) or PTFE blends, which in turn are effective
  • compositions and moldings thereof and their use for the production of moldings, which have a good flame retardancy according to the appropriate fire protection standards preferably simultaneously high transparency or low turbidity and good mechanical properties, said Compositions are preferably halogen-free.
  • compositions according to claim 1 and the moldings produced therefrom and the use of the compositions for the production of moldings.
  • the molded parts according to the invention produced from the compositions meet the Italian standard UNI 9177 (Oct. 1987). "class 1" concerning the flammability of the furnishing of public meeting places.
  • the moldings produced from the compositions meet the Swiss BKZ 5.3. concerning the flammability of the furnishing of public meeting places.
  • compositions for producing molded parts with improved fire protection according to the present invention comprise:
  • thermal or processing stabilizers preferably selected from the group of phosphines, phosphites and phenolic antioxidants and mixtures thereof.
  • D) optionally from 0.00% to 2.00% by weight, preferably from 0.01% by weight to 1.50% by weight, even more preferably from 0.10% by weight to 1.0% by weight. % and very particularly preferably 0.10 wt.% to 0.60 wt.% of at least one or more UV absorbers, E) optionally 0.00000 wt.% to 5.00000 wt.%, preferably 0.00001 wt.
  • % to 2.50000% by weight more preferably from 0.00010% by weight to 1.00000% by weight, and particularly preferably from 0.00050 wt .-% to 0.50000 wt .-% one or more colorants selected from the group of organic and inorganic colorants and carbon black, based on the total amount of the sum of the components AD ,.
  • compositions meet the requirements of the Swiss BKZ 5.3. concerning the flammability of the furnishing of public meeting places.
  • compositions consist only of the components A-C, in a further preferred embodiment only of the components A-D and in a third preferred embodiment of the components A-F.
  • compositions according to the invention are preferably halogen-free.
  • compositions and products made therefrom of the present invention are transparent.
  • compositions are free of oligomeric phosphorus-based flame retardants.
  • the molding compositions are prepared by compounding with single or twin-screw extruders, ring extruders or planetary roller extruders.
  • One or more of the preferred embodiments may also be combined with each other.
  • compositions of the present invention can be used to advantage in various applications. These include, for example, applications and moldings in the furniture sector, preferably chairs, tables, shelves, especially solid furniture, plates for architecture or industrial glazing or as linings of Schienen scholar- and Aircraft interiors, each of which is subject to increased flame retardance requirements.
  • the present invention also relates to the moldings produced from the compositions and to the use of the compositions for the production of moldings which meet the requirements stated in the fire standards.
  • Polycarbonates for the compositions according to the invention are homopolycarbonates, copolycarbonates and thermoplastic, preferably aromatic, polyester carbonates, which are subsumed in the present application under the name "polycarbonate.”
  • the homopolycarbonates, copolycarbonates and polyester carbonates according to the invention generally have average molecular weights M w (weight average) from 24,000 to 40,000, preferably 26,000 to 35,000, and most preferably from 29,000 to 32,000, (determined by GPC (gel permeation chromatography) with polycarbonate calibration).
  • Preferred compounds to be used as starting compounds are bisphenols of the general formula (1)
  • HO-Z-OH (1) wherein Z is a divalent organic radical having 6 to 30 carbon atoms and containing one or more aromatic groups.
  • Z is a divalent organic radical having 6 to 30 carbon atoms and containing one or more aromatic groups.
  • examples of such compounds are bisphenols which belong to the group of dihydroxydiphenyls, bis (hydroxyphenyl) alkanes, indanebisphenols, bis (hydroxyphenyl) ethers, bis (hydroxyphenyl) sulfones, bis (hydroxyphenyl) ketones and a, a'-bis (hydroxyphenyl) - diisopropylbenzenes.
  • Particularly preferred bisphenols belonging to the aforementioned linking groups are bisphenol-A, tetraalkylbisphenol-A, 4,4- (meta-phenylenediisopropyl) diphenol (bisphenol M), 4,4- (para-phenylenediisopropyl) diphenol, N-phenyl- Isatin bisphenol, 1,1-bis (4-hydroxyphenyl) -3,3,5-trimethylcyclohexane (BP-TMC), bisphenols of the 2-hydrocarbyl-3,3-bis (4-hydroxyaryl) phthalimidines type, in particular 2-phenyl-3,3-bis (4-hydroxyphenyl) phthalimidine, and optionally mixtures thereof.
  • Suitable aromatic dicarboxylic acids are, for example, phthalic acid, terephthalic acid, isophthalic acid, 3,3'- or 4,4'-diphenyldicarboxylic acid and benzophenone dicarboxylic acids.
  • a portion, up to 80 mole%, preferably from 20 to 50 mole%, of the carbonate groups in the polycarbonates may be replaced by aromatic dicarboxylic acid ester groups.
  • Inert organic solvents used in the interfacial process include, for example, dichloromethane, the various dichloroethanes and chloropropane compounds, tetrachloromethane, trichloromethane, chlorobenzene, and chlorotoluene. Preference is given to using chlorobenzene or dichloromethane or mixtures of dichloromethane and chlorobenzene.
  • the interfacial reaction can be accelerated by catalysts such as tertiary amines, in particular N-alkylpiperidines or onium salts. Tributylamine, triethylamine and N-ethylpiperidine are preferably used. In the case of the melt transesterification process, the catalysts mentioned in DE-A 42 38 123 are used.
  • the polycarbonates can be branched deliberately and controlled by the use of small amounts of branching.
  • Some suitable branching agents are: isatin biscresol, phloroglucinol, 4,6-dimethyl-2,4,6-tri- (4-hydroxyphenyl) -hepten-2; 4,6-dimethyl-2,4,6-tri- (4-hydroxyphenyl) heptane; 1, 3,5-tri- (4-hydroxyphenyl) -benzene; 1,1,1-tris (4-hydroxyphenyl) ethane; Tri- (4-hydroxyphenyl) phenylmethane; 2,2-bis [4,4-bis (4-hydroxyphenyl) -cyclohexyl] -propane; 2,4-bis (4-hydroxyphenyl isopropyl) -phenol; 2,6-bis- (2-hydroxy-5'-methyl-benzyl) -4-methyl phenol; 2- (4-hydroxyphenyl) -2- (2,4-dihydroxyphenyl) -propane
  • the optionally used 0.05 to 2 mol%, based on diphenols, of branching agents or mixtures of the branching agents can be used together with the diphenols but can also be added at a later stage of the synthesis.
  • Chain terminators can be used.
  • the chain terminators used are preferably phenols such as phenol, alkylphenols such as cresol and 4-tert-butylphenol, chlorophenol, bromophenol, cumylphenol or mixtures thereof in amounts of 1-20 mol%, preferably 2-10 mol%, per mol bisphenol. Preference is given to phenol, 4-tert-butylphenol or cumylphenol. Chain terminators and branching agents may be added separately or together with the bisphenol to the syntheses.
  • the preferred polycarbonate according to the invention is bisphenol A homopolycarbonate.
  • the polycarbonate is particularly preferably a polycarbonate prepared by the Bayer interfacial process (evaporation process), preferably based on bisphenol-A.
  • the polycarbonates according to the invention can also be prepared by the melt transesterification process.
  • the melt transesterification process is described, for example, in Encyclopedia of Polymer Science, Vol. 10 (1969), Chemistry and Physics of Polycarbonates, Polymer Reviews, H. Schnell, Vol. 9, John Wiley and Sons, Inc. (1964), and DE -B 10 31 512 described.
  • the aromatic dihydroxy compounds already described in the phase boundary process are transesterified in the melt with carbonic acid diesters with the aid of suitable catalysts and optionally further additives
  • Carbonic acid diesters according to the invention are those of the formula (2) and (3) Formula (2)
  • R, R 'and R "independently of one another may represent H, optionally branched C 1 -C 4 -alkyl / cycloalkyl, C 7 -C 34 -alkaryl or C 6 -C 34 -aryl, for example
  • the proportion of carbonic acid ester is 100 to 130 mol%, preferably 103 to 120 mol%, particularly preferably 103 to 109 mol%, based on the dihydroxy compound.
  • catalysts in the context of the invention basic catalysts such as, for example, alkali metal and alkaline earth metal are described in the melt transesterification process as described in the cited literature. alihydroxide and oxides but also ammonium or phosphonium salts, hereinafter referred to as onium salts used. Onium salts, particularly preferably phosphonium salts, are preferably used here. Phosphonium salts in the context of the invention are those of the formula (4)
  • R 1 "4 may be the same or different Ci-Cio-alkyls, C6-Cio-aryls, CvCio-aralkyls or C5-C6-cycloalkyls, preferably methyl or C6-Ci 4 -aryl, more preferably methyl or phenyl, and
  • X can be an anion such as hydroxide, sulfate, hydrogensulfate, bicarbonate, carbonate, a halide, preferably chloride, or an alkoxide of the formula OR, where R is C 6 -C 14 -aryl or C 7 -C 12 -aralkyl, preferably phenyl, Preferred catalysts are
  • the catalysts are preferably used in amounts of from 10.sup.- 8 to 10.sup.- 3 mol, based on one mole of bisphenol, more preferably in amounts of 10.sup.- 7 to 10.sup.- 4 mol.
  • catalysts can be used alone or optionally in addition to the onium salt to increase the rate of polymerization.
  • These include salts of alkali metals and alkaline earth metals, such as hydroxides, alkoxides and aryloxides of lithium, sodium and potassium, preferably sodium hydroxide, alkoxide or aryloxide salts. Most preferred are sodium hydroxide and sodium phenolate.
  • the amounts of cocatalyst can range from 1 to 200 ppb, preferably from 5 to 150 ppb, and most preferably from 10 to 125 ppb, each calculated as sodium.
  • the transesterification reaction of the aromatic dihydroxy compound and the carbonic diester in the melt is preferably carried out in two stages.
  • the melting of the aromatic dihydroxy compound and of the carbonic acid diester takes place at temperatures of 80 to 250 ° C., preferably 100 to 230 ° C., particularly preferably 120 to 190 ° C. under normal pressure in 0 to 5 hours, preferably 0, 25 to 3 hours instead.
  • the catalyst is by applying a vacuum (up to a pressure of 2.6 mbar in the apparatus) and increasing the temperature (up to 260 ° C) by distilling off the monophenol, the oligocarbonate from the aromatic dihydroxy compound and the carbonic acid diester produced. In this case, the majority of vapors from the process accrue.
  • the oligocarbonate thus prepared has an average molecular weight Mw (determined by measuring the relative solution viscosity in dichloromethane or in mixtures of equal amounts by weight of phenol / o-dichlorobenzene calibrated by light scattering) in the range from 2000 g / mol to 18,000 g / mol, preferably 4,000 g / mol to 15,000 g / mol.
  • the polycarbonate is produced in the polycondensation by further increasing the temperature to 250 to 320 ° C, preferably 270 to 295 ° C at a pressure of ⁇ 2.6 mbar, the remainder of vapors removed from the process becomes.
  • the catalysts can also be used in combination (two or more) with each other.
  • the alkali / alkaline earth metal catalysts are preferably added at a later time (eg, after the oligocarbonate synthesis in the second stage polycondensation).
  • the reaction of the aromatic dihydroxy compound and the carbonic acid diester to form the polycarbonate can be carried out batchwise or preferably continuously, for example in stirred vessels, thin-film evaporators, falling-film evaporators, stirred tank cascades, extruders, kneaders, simple disk reactors and high-viscous disk reactors.
  • branched polycarbonates or copolycarbonates can be prepared by using polyfunctional compounds.
  • compositions according to the invention preferably contain no other plastics such as aromatic polyesters such as polybutylene terephthalate or polyethylene terephthalate, polyamides, polyimides, polystyrenes, polyacrylates and polymethacrylates such as, for example, polyalkyl (meth) acrylates and in particular polymethylmethacrylate, polyacetals, polyurethanes , Polyolefme, halogen-containing polymers, polysulfones, polyethersulfones, polyether ketones, polysiloxanes, polybenzimidazoles, urea-formaldehyde resins, melamine-formaldehyde resins, phenol-formaldehyde resins, alkyd resins, epoxy resins, polystyrenes.
  • aromatic polyesters such as polybutylene terephthalate or polyethylene terephthalate
  • polyamides such as polyimides
  • polystyrenes polyacrylates and polymethacryl
  • compositions according to the invention may contain PMMA (polymethyl methacrylate) in order to favorably influence the optical properties, in particular the transmission.
  • PMMA polymethyl methacrylate
  • a specific embodiment in this context comprises a mixture of polycarbonate and PMMA with less than 0.5 wt .-%, preferably less than 0.3 wt .-%, more preferably less than 0, 1%>, wherein at least 0.01 % PMMA are based on the amount of polycarbonate, wherein the PMMA preferably has a molecular weight ⁇ 40,000 g / mol.
  • the proportion of PMMA is 0.2% and particularly preferably 0.1% based on the amount of polycarbonate, the PMMA preferably having a molecular weight ⁇ 40,000 g / mol.
  • the polymer compositions according to the invention may optionally contain mold release agents
  • Particularly suitable mold release agents for the composition according to the invention are pentaerythritol tetrastearate (PETS); Glycerol monostearate (GMS), stearyl stearate or linear esters of linear fatty acids such as stearic acid, magaric acid, palmetic acid, myristic acid, lauric acid and capric acid esterified with fatty alcohols such as lauryl alcohol, myristyl alcohol, cetyl alcohol and lauryl alcohol, as well as mixtures of two or more of these esters.
  • PETS and GMS and mixtures thereof are preferably used. Particularly preferred is a mixture of PETS and GMS.
  • the polymer composition contains thermal or processing stabilizers.
  • phosphites and phosphonites and phosphines are suitable.
  • Examples are triphenyl phosphite, diphenyl alkyl phosphite, phenyl dialkyl phosphite, tris (nylphenyl) phosphite, trilurate phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris (2,4-di-tert-butylphenyl) phosphite, diisodecylpentaerythritol diphosphite, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, bis (2,4-di-cumylphenyl) pentaerythritol diphosphite, bis
  • TPP triphenylphosphine
  • Irgafos® 168 tris (2,4-di-tert-butylphenyl) phosphite
  • tris nonylphenyl
  • phenolic antioxidants such as alkylated monophenols, alkylated thioalkylphenols, hydroquinones and alkylated hydroquinones can be used.
  • Particularly preferred are Irganox® 1010 (pentaerythritol-3- (4-hydroxy-3,5-di-tert-butylphenyl) propionate; CAS: 6683-19-8) and Irganox 1076® (2,6-di-tert-butyl -4- (octadecanoxycarbonylethyl) phenol) used.
  • Irganox® B900 (mixture of 80% Irgafos® 168 and 20% Irganox® 1076, BASF AG, Ludwigshafen) is particularly preferred.
  • the phosphine compounds according to the invention are used together with a phosphite or a phenolic antioxidant or a mixture of the latter two compounds.
  • the polymer composition of the invention further contains an ultraviolet absorber.
  • Ultraviolet absorbers suitable for use in the polymer composition according to the invention are compounds which have the lowest possible transmission below 400 nm and the highest possible transmission above 400 nm. Such compounds and their preparation are known from the literature and are described, for example, in EP-A 0 839 623, WO-A 96/15102 and EP-A 0 500 496.
  • Particularly suitable ultraviolet absorbers for use in the composition according to the invention are benzotriazoles, triazines, benzophenones and / or arylated cyanoacrylates.
  • Particularly useful ultraviolet absorbers are hydroxy-benzotriazoles, such as 2- (3 ', 5'-bis (l, l-dimethylbenzyl) -2'-hydroxyphenyl) benzotriazole (Tinuvin ® 234, Ciba Specialty Chemicals, Basel)
  • composition E According to the invention, organic colorants from the group of organic pigments and
  • Dyes, inorganic pigments and carbon black are used.
  • Preferred organic pigments are e.g. of phthalocyanine-derived dyes such as copper phthalocyanine blue and copper phthalocyanine green, condensed polycyclic dyes and pigments such as azo-based (eg nickel-azo yellow), sulfur indigo dyes, perynone-based, perylene-based, quinacridone-derived, dioxazine -based, isoindolinone-based and
  • inorganic pigments for example titanium dioxide, zinc oxide, barium sulfate and / or iron oxides can be used.
  • Organic flame retardants, or organic salts, which are not included in the compositions of the present invention inter alia, alkali metal or alkaline earth metal salts of aliphatic or aromatic sulfonic acid sulfonamide and sulfonimide derivatives, e.g.
  • 2,4,6-trichlorobenzoate sodium or potassium 2,4-dichlorobenzoate, lithium phenylphosphonate, Sodium or potassium diphenylsulfone sulfonate, sodium or potassium 2-formylbenzenesulfonate, sodium or potassium (N-benzenesulfonyl) benzenesulfonamide.
  • the composition is free of potassium nona-fluoro-1-butanesulfonate (e.g., Bayowet® C4, Lanxess, Leverkusen, Germany, CAS No. 29420-49-3).
  • potassium nona-fluoro-1-butanesulfonate e.g., Bayowet® C4, Lanxess, Leverkusen, Germany, CAS No. 29420-49-3.
  • thermoplastics according to the invention and optionally further plastics contained may be added to the usual additives for these thermoplastics selected from the group of antistatic agents and flow improvers.
  • Preferred antistatic agents are those as described in EP 1 290 106 and EP 1 210 388, in particular those based on quaternary ammonium salts of a perfluoroalkylsulfonic acid.
  • compositions according to the invention are prepared by conventional incorporation methods and can be carried out, for example, by mixing solutions of components B) -F) with a solution of polycarbonate (component A) in suitable solvents, such as dichloromethane, haloalkanes, haloaromatics, chlorobenzene and xylenes.
  • suitable solvents such as dichloromethane, haloalkanes, haloaromatics, chlorobenzene and xylenes.
  • suitable solvents such as dichloromethane, haloalkanes, haloaromatics, chlorobenzene and xylenes.
  • suitable solvents such as dichloromethane, haloalkanes, haloaromatics, chlorobenzene and xylenes.
  • the substance mixtures are then preferably homogenized in a known manner by extrusion.
  • the solution mixtures are preferably worked up in a known manner by evaporation
  • composition can be mixed in conventional mixing devices such as screw extruders (for example twin-screw extruder, ZSK, planetary roller extruder, ring extruder), kneader, Brabender 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 the remaining starting materials are added individually and / or also mixed.
  • screw extruders for example twin-screw extruder, ZSK, planetary roller extruder, ring extruder
  • kneader kneader
  • Brabender Brabender
  • Banbury mills kneader
  • the extrudate can be cooled and comminuted. It is also possible to premix individual components and then the remaining starting materials are added individually and / or also mixed.
  • compositions according to the invention can be worked up in a manner known to the person skilled in the art and processed to give any shaped bodies, for example by extrusion, injection molding, rotary injection molding or extrusion blow molding, with injection molding and rotary injection molding being particularly preferred.
  • the polycarbonate granules of the base material are fed to the hopper of the main extruder, the coextrusion material to that of the coextruder.
  • the melting and conveying of the respective material takes place. Both material melts are combined in the coexadapter and form a composite after leaving the die and cooling.
  • the other facilities are used for transporting, cutting and depositing the extruded sheets.
  • Sheets without a coextrusion layer are prepared accordingly either by not operating the coextruder or by filling it with the same polymer composition as the main extruder.
  • Moldings in the context of the present invention are in particular: furniture, preferably transparent and or translucent and / or non-transparent designs such as armchairs, chairs such as stackable chairs, office chairs, high chairs, dining chairs and chairs with support and support elements, seat shells, stools such as bar stools, Benches, loungers, tables such as side tables, conference tables, dining tables, bar tables and kitchen tables, counters such as reception desks, bar counters and kitchen counters, shelves, shelves, lighting systems such as lamps, multi-dimensional wall elements, cabinets such as office cabinets and kitchen cabinets, kitchen elements such as fume hoods, Splash guard, sink, refrigerator elements and flipcharts.
  • furniture preferably transparent and or translucent and / or non-transparent designs such as armchairs, chairs such as stackable chairs, office chairs, high chairs, dining chairs and chairs with support and support elements, seat shells, stools such as bar stools, Benches, loungers, tables such as side tables, conference tables, dining tables, bar tables and kitchen tables, counters such as reception desks,
  • Objects within the meaning of the invention are also shutters, blinds and shutters.
  • Objects within the meaning of the invention are also decorative elements such as vases, frames, flower tubs and decorative strips.
  • Objects within the meaning of the invention are also signs such as safety signs and signs.
  • the objects can be designed in various embodiments such as, for example, round, angular, solid, hollow, oval, interior-lit and exterior-lit.
  • the items are used in public facilities such as theaters, cinemas, philharmonics, operas, concert halls, discos, casinos, museums, administrative buildings, banks, sports stadiums, airports, railway stations, hospitals, schools, universities and prisons.
  • the items are suitable for indoor and outdoor use. Particularly preferred are molded parts according to the present invention chairs and seats.
  • the transparent moldings produced from the compositions according to the invention preferably have wall thicknesses of 1 mm to 15 mm, more preferably of 2 mm to 12 mm and particularly preferably of 4 mm to 10 mm.
  • the molded parts up to a wall thickness of 4 mm, a light transmission (measured according to ISO 13468-2) of> 83%, preferably of> 85%, and particularly preferably of> 87%.
  • compositions according to the invention preferably contain colorants which are soluble in polycarbonate in a proportion of ⁇ 100 ppm, more preferably ⁇ 50 ppm, and particularly preferably ⁇ 20 ppm.
  • the moldings produced from the compositions according to the invention have a scratch-resistant coating on at least one side, preferably on both sides.
  • compositions and moldings produced therefrom are not transparent or translucent, with wall thicknesses of 1 mm to 15 mm, preferably 2 mm to 12 mm, particularly preferably 4 mm to 10 mm.
  • test is carried out in a draft-free firing box. This is a 20 mm long burner flame for 30 s on the vertically arranged Directed sample surface. In each case 10 samples with the dimensions (340 * 104 * sample thickness) mm, which were stored for at least 24 h at 23 ° C / 50% RH, are tested. Anisotropic specimens should be tested longitudinally and transversely. According to the afterburning time, the afterglow time, the destroyed sample length and the dripping behavior, 3 test specimens in the dimensions 800 * 155 * sample thickness ( ⁇ 100) [mm] are tested.
  • test specimens each in the dimensions (800 * 155 * sample thickness) mm in the longitudinal and transverse direction are required.
  • the lateral flame propagation is determined under the influence of a radiation source.
  • the samples are positioned either in wall, ceiling or floor assembly in front of the spotlight. According to the flame propagation speed, the damaged area, the afterglow time and the dripping behavior, the material is classified into a category.
  • melt volume flow rate (MVR) is carried out according to ISO 1133 at a temperature of 300 ° C and a weight of 1.2 kg.
  • the turbidity and transmission determinations were made on 60 * 40 * 4 mm 3 geometry plates in accordance with ISO 13468.
  • compositions according to the present invention are comprised in a device: A dispensing device for the components, a co-rotating twin-screw kneader (ZSK 25 from Werner & Pfleiderer) with a screw diameter of 25 mm, a perforated die for forming melt strands, a water bath compounded to cool and solidify the strands and a granulator.
  • a dispensing device for the components a co-rotating twin-screw kneader (ZSK 25 from Werner & Pfleiderer) with a screw diameter of 25 mm, a perforated die for forming melt strands, a water bath compounded to cool and solidify the strands and a granulator.
  • Makroion® 3200 is a polycarbonate commercially available from Bayer MaterialScience AG.
  • the melt volume flow rate (MVR) according to ISO 1133 is 4 cm 3 / (10 min) at 300 ° C and 1.2 kg load.
  • Makroion® 3100 is commercially available from Bayer MaterialScience AG
  • melt volume flow rate (MVR) according to ISO 1133 is 6 cm 3 / (10 min) at 300 ° C and 1.2 kg load.
  • Loxiol® VPG 861 is a pentaerythritol tetra stearate commercially available from Cognis AG.
  • Irganox® 1076 (CAS number 2082-79-3) is a monofunctional, sterically hindered phenol commercially available from Ciba AG and belongs to the group of phenolic antioxidants ((2,6-di-tert-butyl-4- (octadecanoxycarbonylethyl )phenol)). Comparative Experiment Flame Retardant:
  • Bayowet C4 ® is a commercially by the company Lanxess AG available potassium nona fluoro-1 -butansulfonat.
  • the compound of Example 1 is prepared by melting Makroion 3200 and 5 wt.% Of a powder mixture consisting of Makroion® 3100 powder with 0.45 wt .-% PETS, 0.25 wt.% Tinuvin 329 and 0.01 wt. % Irganox 1076, where the weight percentages are
  • the compound of Comparative Example 2 is prepared by melting Makroion 3200 and 5% by weight of a powder mixture consisting of Makroion® 3100 powder with 0.45% by weight of> PETS, 0.25% by weight of Tinuvin 329, 0.01 wt .-% Irganox 1076 and 0.08 wt.% Bayowet C4 ® wherein the information in wt .-%> s I 1 00%> add ezo b g s (by weight of the total composition Makrolon 3200 added to 100 wt. -%>) are metered via a metering balance in the Doppelwellenexdruder.
  • each of the geometry 800mm * 155mm and 6mm thickness are manufactured.
  • 10 plates of geometry 60mm * 40mm and 4mm thickness are manufactured.
  • Pentaerythritol tetrastearate as lubricant / release agent Components
  • C Irganox 1076 Components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne des compositions de polycarbonate pour fabriquer des pièces moulées sans halogène destinées à être utilisées dans des installations publiques et qui répondent par conséquent aux dispositions et aux normes anti-incendie. La présente invention concerne en outre l'utilisation de compositions de polycarbonate sans halogène pour fabriquer des pièces moulées, en particulier des sièges ou des pièces de sièges, par exemple des coques d'assise, qui sont anti-feu et qui répondent aux normes d'utilisation dans les édifices publics, ainsi que les pièces moulées proprement dites.
EP13753593.6A 2012-08-17 2013-08-13 Produits ayant une meilleure résistance à la flamme Withdrawn EP2885347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000414A ITRM20120414A1 (it) 2012-08-17 2012-08-17 Prodotti con caratteristiche ignifughe migliorate.
PCT/EP2013/066935 WO2014027000A1 (fr) 2012-08-17 2013-08-13 Produits ayant une meilleure résistance à la flamme

Publications (1)

Publication Number Publication Date
EP2885347A1 true EP2885347A1 (fr) 2015-06-24

Family

ID=46982758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13753593.6A Withdrawn EP2885347A1 (fr) 2012-08-17 2013-08-13 Produits ayant une meilleure résistance à la flamme

Country Status (5)

Country Link
US (1) US20150232644A1 (fr)
EP (1) EP2885347A1 (fr)
CN (1) CN104540890A (fr)
IT (1) ITRM20120414A1 (fr)
WO (1) WO2014027000A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017040513A1 (fr) * 2015-08-31 2017-03-09 Sabic Global Technologies B.V. Utilisation d'agents de démoulage doubles pour applications de dispositifs médicaux
EP3395898B1 (fr) * 2017-04-28 2020-02-05 Covestro Deutschland AG Composition de polycarbonate comprenant un pigment nacré et/ou un pigment d'interférence
CN113167861A (zh) * 2018-11-29 2021-07-23 科思创知识产权两合公司 具有改进的表面品质的lidar传感器系统
CN111193067B (zh) * 2020-01-11 2022-05-17 山东理工大学 一种锂离子电池用阻燃电解质的制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013057074A1 (fr) * 2011-10-18 2013-04-25 Bayer Intellectual Property Gmbh Composition de polymère à propriétés d'absorption de chaleur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6727294B2 (en) * 1998-07-28 2004-04-27 Mitsubishi Engineering-Plastics Corporation Thermoplastic resin composition containing a naphthalene dicarboxylic acid moiety and an aliphatic diol moiety
JP2002308977A (ja) * 2001-04-18 2002-10-23 Mitsubishi Engineering Plastics Corp ポリカーボネート及び樹脂組成物
WO2003010236A1 (fr) * 2001-07-27 2003-02-06 Teijin Chemicals, Ltd. Matieres a mouler a base de polycarbonate et substrats pour disques optiques
DE102007017936A1 (de) * 2007-04-13 2008-10-16 Bayer Materialscience Ag Erzeugnisse mit verbesserter Flammwidrigkeit
WO2008133342A1 (fr) * 2007-04-25 2008-11-06 Teijin Limited Composition de résine de polycarbonate
WO2008133343A1 (fr) * 2007-04-25 2008-11-06 Teijin Limited Composition de résine de polycarbonate
ITRM20100225A1 (it) * 2010-05-10 2011-11-10 Bayer Materialscience Ag Composizione di polimeri con caratteristiche di assorbimento del calore e migliorate caratteristiche di colore.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013057074A1 (fr) * 2011-10-18 2013-04-25 Bayer Intellectual Property Gmbh Composition de polymère à propriétés d'absorption de chaleur

Also Published As

Publication number Publication date
US20150232644A1 (en) 2015-08-20
WO2014027000A1 (fr) 2014-02-20
ITRM20120414A1 (it) 2014-02-18
CN104540890A (zh) 2015-04-22

Similar Documents

Publication Publication Date Title
EP2354182B1 (fr) Produits dotés d'une résistance aux flammes améliorée
EP2134779B1 (fr) Composition de polycarbonate contenant des absorbeurs d'u.v.
MXPA03006159A (es) Producto multicapa que contiene policarbonato.
EP2652031B1 (fr) Substrats de del de couleur stable
WO2013079631A1 (fr) Compositions de polycarbonates ignifuges renforcés de fibres de verre
EP2207844B1 (fr) Polycarbonates résistant à la flamme, contenant des polyols
KR20070026225A (ko) 폴리카르보네이트 및 신규 ｕｖ 흡수제 함유 조성물
EP3575362A1 (fr) Recouvrements pour sources lumineuses à led
EP2885347A1 (fr) Produits ayant une meilleure résistance à la flamme
WO2008125203A1 (fr) Produits présentant un meilleur pouvoir ignifuge
KR100709643B1 (ko) 투명한 열가소성 조성물
EP2496639B1 (fr) Composition de polycarbonate à ignifugeage amélioré pour des applications d'extrusion
EP1404520A2 (fr) Systemes multicouches comportant des matieres moulees antistatiques
DE10128704A1 (de) Wärmeabsorbierende Polymer-Zusammensetzung
DE10053151A1 (de) Zusammensetzung enthaltend thermoplastische Kunststoffe
EP2496636B1 (fr) Composition de polycarbonate à ignifugeage amélioré pour des applications d'extrusion
EP2496638B1 (fr) Plaques en polycarbonate à ignifugeage amélioré
DE10053152A1 (de) Zusammensetzung enthaltend thermoplastische Kunststoffe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150317

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: COVESTRO DEUTSCHLAND AG

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20170313

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170725